web/data/excanvas.js
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 15 Feb 2010 17:47:50 +0100
branchstable
changeset 4585 912aba7e6400
parent 4220 713434095f0d
child 7621 55b2d0cce69b
permissions -rw-r--r--
[inlined formos] don't pop attributes from kwargs, so they end-up in cw_extra_kwargs which is then passed to the edition form
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// Copyright 2006 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//   http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Known Issues:
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//
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// * Patterns are not implemented.
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// * Radial gradient are not implemented. The VML version of these look very
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//   different from the canvas one.
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// * Clipping paths are not implemented.
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// * Coordsize. The width and height attribute have higher priority than the
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//   width and height style values which isn't correct.
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// * Painting mode isn't implemented.
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// * Canvas width/height should is using content-box by default. IE in
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//   Quirks mode will draw the canvas using border-box. Either change your
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//   doctype to HTML5
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//   (http://www.whatwg.org/specs/web-apps/current-work/#the-doctype)
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//   or use Box Sizing Behavior from WebFX
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//   (http://webfx.eae.net/dhtml/boxsizing/boxsizing.html)
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// * Non uniform scaling does not correctly scale strokes.
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// * Optimize. There is always room for speed improvements.
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// Only add this code if we do not already have a canvas implementation
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if (!document.createElement('canvas').getContext) {
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(function() {
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  // alias some functions to make (compiled) code shorter
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  var m = Math;
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  var mr = m.round;
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  var ms = m.sin;
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  var mc = m.cos;
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  var abs = m.abs;
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  var sqrt = m.sqrt;
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  // this is used for sub pixel precision
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  var Z = 10;
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  var Z2 = Z / 2;
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  /**
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   * This funtion is assigned to the <canvas> elements as element.getContext().
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   * @this {HTMLElement}
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   * @return {CanvasRenderingContext2D_}
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   */
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  function getContext() {
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    return this.context_ ||
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        (this.context_ = new CanvasRenderingContext2D_(this));
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  }
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  var slice = Array.prototype.slice;
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  /**
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   * Binds a function to an object. The returned function will always use the
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   * passed in {@code obj} as {@code this}.
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   *
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   * Example:
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   *
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   *   g = bind(f, obj, a, b)
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   *   g(c, d) // will do f.call(obj, a, b, c, d)
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   *
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   * @param {Function} f The function to bind the object to
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   * @param {Object} obj The object that should act as this when the function
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   *     is called
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   * @param {*} var_args Rest arguments that will be used as the initial
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   *     arguments when the function is called
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   * @return {Function} A new function that has bound this
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   */
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  function bind(f, obj, var_args) {
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    var a = slice.call(arguments, 2);
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    return function() {
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      return f.apply(obj, a.concat(slice.call(arguments)));
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    };
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  }
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  var G_vmlCanvasManager_ = {
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    init: function(opt_doc) {
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      if (/MSIE/.test(navigator.userAgent) && !window.opera) {
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        var doc = opt_doc || document;
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        // Create a dummy element so that IE will allow canvas elements to be
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        // recognized.
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        doc.createElement('canvas');
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        doc.attachEvent('onreadystatechange', bind(this.init_, this, doc));
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      }
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    },
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    init_: function(doc) {
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      // create xmlns
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      if (!doc.namespaces['g_vml_']) {
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        doc.namespaces.add('g_vml_', 'urn:schemas-microsoft-com:vml',
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                           '#default#VML');
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      }
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      if (!doc.namespaces['g_o_']) {
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        doc.namespaces.add('g_o_', 'urn:schemas-microsoft-com:office:office',
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                           '#default#VML');
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      }
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      // Setup default CSS.  Only add one style sheet per document
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      if (!doc.styleSheets['ex_canvas_']) {
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        var ss = doc.createStyleSheet();
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        ss.owningElement.id = 'ex_canvas_';
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        ss.cssText = 'canvas{display:inline-block;overflow:hidden;' +
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            // default size is 300x150 in Gecko and Opera
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            'text-align:left;width:300px;height:150px}' +
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            'g_vml_\\:*{behavior:url(#default#VML)}' +
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            'g_o_\\:*{behavior:url(#default#VML)}';
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      }
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      // find all canvas elements
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      var els = doc.getElementsByTagName('canvas');
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      for (var i = 0; i < els.length; i++) {
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        this.initElement(els[i]);
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      }
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    },
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    /**
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     * Public initializes a canvas element so that it can be used as canvas
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     * element from now on. This is called automatically before the page is
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     * loaded but if you are creating elements using createElement you need to
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     * make sure this is called on the element.
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     * @param {HTMLElement} el The canvas element to initialize.
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     * @return {HTMLElement} the element that was created.
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     */
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    initElement: function(el) {
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      if (!el.getContext) {
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        el.getContext = getContext;
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        // Remove fallback content. There is no way to hide text nodes so we
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        // just remove all childNodes. We could hide all elements and remove
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        // text nodes but who really cares about the fallback content.
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        el.innerHTML = '';
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        // do not use inline function because that will leak memory
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        el.attachEvent('onpropertychange', onPropertyChange);
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        el.attachEvent('onresize', onResize);
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        var attrs = el.attributes;
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        if (attrs.width && attrs.width.specified) {
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          // TODO: use runtimeStyle and coordsize
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          // el.getContext().setWidth_(attrs.width.nodeValue);
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          el.style.width = attrs.width.nodeValue + 'px';
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        } else {
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          el.width = el.clientWidth;
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        }
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        if (attrs.height && attrs.height.specified) {
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          // TODO: use runtimeStyle and coordsize
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          // el.getContext().setHeight_(attrs.height.nodeValue);
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          el.style.height = attrs.height.nodeValue + 'px';
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        } else {
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          el.height = el.clientHeight;
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        }
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        //el.getContext().setCoordsize_()
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      }
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      return el;
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    }
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  };
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  function onPropertyChange(e) {
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    var el = e.srcElement;
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    switch (e.propertyName) {
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      case 'width':
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        el.style.width = el.attributes.width.nodeValue + 'px';
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        el.getContext().clearRect();
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        break;
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      case 'height':
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        el.style.height = el.attributes.height.nodeValue + 'px';
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        el.getContext().clearRect();
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        break;
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    }
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  }
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  function onResize(e) {
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    var el = e.srcElement;
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    if (el.firstChild) {
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      el.firstChild.style.width =  el.clientWidth + 'px';
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      el.firstChild.style.height = el.clientHeight + 'px';
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    }
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  }
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  G_vmlCanvasManager_.init();
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  // precompute "00" to "FF"
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  var dec2hex = [];
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  for (var i = 0; i < 16; i++) {
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    for (var j = 0; j < 16; j++) {
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      dec2hex[i * 16 + j] = i.toString(16) + j.toString(16);
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    }
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  }
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  function createMatrixIdentity() {
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    return [
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      [1, 0, 0],
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      [0, 1, 0],
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      [0, 0, 1]
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    ];
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  }
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  function matrixMultiply(m1, m2) {
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    var result = createMatrixIdentity();
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    for (var x = 0; x < 3; x++) {
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      for (var y = 0; y < 3; y++) {
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        var sum = 0;
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        for (var z = 0; z < 3; z++) {
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          sum += m1[x][z] * m2[z][y];
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        }
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        result[x][y] = sum;
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      }
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    }
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    return result;
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  }
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  function copyState(o1, o2) {
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    o2.fillStyle     = o1.fillStyle;
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    o2.lineCap       = o1.lineCap;
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    o2.lineJoin      = o1.lineJoin;
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    o2.lineWidth     = o1.lineWidth;
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    o2.miterLimit    = o1.miterLimit;
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    o2.shadowBlur    = o1.shadowBlur;
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    o2.shadowColor   = o1.shadowColor;
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    o2.shadowOffsetX = o1.shadowOffsetX;
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    o2.shadowOffsetY = o1.shadowOffsetY;
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    o2.strokeStyle   = o1.strokeStyle;
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    o2.globalAlpha   = o1.globalAlpha;
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    o2.arcScaleX_    = o1.arcScaleX_;
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    o2.arcScaleY_    = o1.arcScaleY_;
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    o2.lineScale_    = o1.lineScale_;
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  }
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  function processStyle(styleString) {
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    var str, alpha = 1;
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    styleString = String(styleString);
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    if (styleString.substring(0, 3) == 'rgb') {
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      var start = styleString.indexOf('(', 3);
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      var end = styleString.indexOf(')', start + 1);
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      var guts = styleString.substring(start + 1, end).split(',');
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      str = '#';
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      for (var i = 0; i < 3; i++) {
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        str += dec2hex[Number(guts[i])];
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      }
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      if (guts.length == 4 && styleString.substr(3, 1) == 'a') {
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        alpha = guts[3];
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      }
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    } else {
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      str = styleString;
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    }
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    return {color: str, alpha: alpha};
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  }
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  function processLineCap(lineCap) {
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    switch (lineCap) {
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      case 'butt':
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        return 'flat';
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      case 'round':
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        return 'round';
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      case 'square':
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      default:
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        return 'square';
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    }
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  }
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  /**
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   * This class implements CanvasRenderingContext2D interface as described by
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   * the WHATWG.
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   * @param {HTMLElement} surfaceElement The element that the 2D context should
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   * be associated with
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   */
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  function CanvasRenderingContext2D_(surfaceElement) {
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    this.m_ = createMatrixIdentity();
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    this.mStack_ = [];
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    this.aStack_ = [];
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    this.currentPath_ = [];
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    // Canvas context properties
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    this.strokeStyle = '#000';
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    this.fillStyle = '#000';
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    this.lineWidth = 1;
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    this.lineJoin = 'miter';
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    this.lineCap = 'butt';
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    this.miterLimit = Z * 1;
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    this.globalAlpha = 1;
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    this.canvas = surfaceElement;
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    var el = surfaceElement.ownerDocument.createElement('div');
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    el.style.width =  surfaceElement.clientWidth + 'px';
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    el.style.height = surfaceElement.clientHeight + 'px';
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    el.style.overflow = 'hidden';
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    el.style.position = 'absolute';
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    surfaceElement.appendChild(el);
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    this.element_ = el;
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    this.arcScaleX_ = 1;
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    this.arcScaleY_ = 1;
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    this.lineScale_ = 1;
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   317
  }
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  var contextPrototype = CanvasRenderingContext2D_.prototype;
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  contextPrototype.clearRect = function() {
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   321
    this.element_.innerHTML = '';
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  };
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  contextPrototype.beginPath = function() {
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    // TODO: Branch current matrix so that save/restore has no effect
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    //       as per safari docs.
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    this.currentPath_ = [];
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  };
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  contextPrototype.moveTo = function(aX, aY) {
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    var p = this.getCoords_(aX, aY);
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    this.currentPath_.push({type: 'moveTo', x: p.x, y: p.y});
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    this.currentX_ = p.x;
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    this.currentY_ = p.y;
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  };
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  contextPrototype.lineTo = function(aX, aY) {
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    var p = this.getCoords_(aX, aY);
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    this.currentPath_.push({type: 'lineTo', x: p.x, y: p.y});
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    this.currentX_ = p.x;
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    this.currentY_ = p.y;
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  };
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   345
  contextPrototype.bezierCurveTo = function(aCP1x, aCP1y,
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                                            aCP2x, aCP2y,
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                                            aX, aY) {
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    var p = this.getCoords_(aX, aY);
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    var cp1 = this.getCoords_(aCP1x, aCP1y);
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    var cp2 = this.getCoords_(aCP2x, aCP2y);
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    bezierCurveTo(this, cp1, cp2, p);
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  };
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   353
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  // Helper function that takes the already fixed cordinates.
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   355
  function bezierCurveTo(self, cp1, cp2, p) {
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   356
    self.currentPath_.push({
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      type: 'bezierCurveTo',
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      cp1x: cp1.x,
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      cp1y: cp1.y,
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   360
      cp2x: cp2.x,
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      cp2y: cp2.y,
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   362
      x: p.x,
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   363
      y: p.y
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diff changeset
   364
    });
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diff changeset
   365
    self.currentX_ = p.x;
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   366
    self.currentY_ = p.y;
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diff changeset
   367
  }
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diff changeset
   368
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   369
  contextPrototype.quadraticCurveTo = function(aCPx, aCPy, aX, aY) {
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   370
    // the following is lifted almost directly from
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   371
    // http://developer.mozilla.org/en/docs/Canvas_tutorial:Drawing_shapes
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   372
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   373
    var cp = this.getCoords_(aCPx, aCPy);
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   374
    var p = this.getCoords_(aX, aY);
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diff changeset
   375
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   376
    var cp1 = {
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   377
      x: this.currentX_ + 2.0 / 3.0 * (cp.x - this.currentX_),
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   378
      y: this.currentY_ + 2.0 / 3.0 * (cp.y - this.currentY_)
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diff changeset
   379
    };
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diff changeset
   380
    var cp2 = {
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diff changeset
   381
      x: cp1.x + (p.x - this.currentX_) / 3.0,
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diff changeset
   382
      y: cp1.y + (p.y - this.currentY_) / 3.0
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diff changeset
   383
    };
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diff changeset
   384
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diff changeset
   385
    bezierCurveTo(this, cp1, cp2, p);
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parents:
diff changeset
   386
  };
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parents:
diff changeset
   387
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parents:
diff changeset
   388
  contextPrototype.arc = function(aX, aY, aRadius,
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parents:
diff changeset
   389
                                  aStartAngle, aEndAngle, aClockwise) {
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parents:
diff changeset
   390
    aRadius *= Z;
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diff changeset
   391
    var arcType = aClockwise ? 'at' : 'wa';
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parents:
diff changeset
   392
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diff changeset
   393
    var xStart = aX + mc(aStartAngle) * aRadius - Z2;
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diff changeset
   394
    var yStart = aY + ms(aStartAngle) * aRadius - Z2;
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parents:
diff changeset
   395
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diff changeset
   396
    var xEnd = aX + mc(aEndAngle) * aRadius - Z2;
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diff changeset
   397
    var yEnd = aY + ms(aEndAngle) * aRadius - Z2;
1888
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parents:
diff changeset
   398
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parents:
diff changeset
   399
    // IE won't render arches drawn counter clockwise if xStart == xEnd.
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parents:
diff changeset
   400
    if (xStart == xEnd && !aClockwise) {
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parents:
diff changeset
   401
      xStart += 0.125; // Offset xStart by 1/80 of a pixel. Use something
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   402
                       // that can be represented in binary
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parents:
diff changeset
   403
    }
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parents:
diff changeset
   404
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diff changeset
   405
    var p = this.getCoords_(aX, aY);
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   406
    var pStart = this.getCoords_(xStart, yStart);
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   407
    var pEnd = this.getCoords_(xEnd, yEnd);
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parents: 1888
diff changeset
   408
1888
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parents:
diff changeset
   409
    this.currentPath_.push({type: arcType,
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diff changeset
   410
                           x: p.x,
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parents: 1888
diff changeset
   411
                           y: p.y,
1888
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parents:
diff changeset
   412
                           radius: aRadius,
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diff changeset
   413
                           xStart: pStart.x,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   414
                           yStart: pStart.y,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   415
                           xEnd: pEnd.x,
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   416
                           yEnd: pEnd.y});
1888
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parents:
diff changeset
   417
f36d43f00f32 [views] plot with flot and get rid of matplotlib
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parents:
diff changeset
   418
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
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parents:
diff changeset
   419
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parents:
diff changeset
   420
  contextPrototype.rect = function(aX, aY, aWidth, aHeight) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
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parents:
diff changeset
   421
    this.moveTo(aX, aY);
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parents:
diff changeset
   422
    this.lineTo(aX + aWidth, aY);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   423
    this.lineTo(aX + aWidth, aY + aHeight);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
    this.lineTo(aX, aY + aHeight);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   425
    this.closePath();
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
  contextPrototype.strokeRect = function(aX, aY, aWidth, aHeight) {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   429
    var oldPath = this.currentPath_;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
    this.beginPath();
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   431
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   432
    this.moveTo(aX, aY);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
    this.lineTo(aX + aWidth, aY);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   434
    this.lineTo(aX + aWidth, aY + aHeight);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   435
    this.lineTo(aX, aY + aHeight);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
    this.closePath();
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
    this.stroke();
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   438
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   439
    this.currentPath_ = oldPath;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   440
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   441
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
  contextPrototype.fillRect = function(aX, aY, aWidth, aHeight) {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   443
    var oldPath = this.currentPath_;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
    this.beginPath();
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   445
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   446
    this.moveTo(aX, aY);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   447
    this.lineTo(aX + aWidth, aY);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
    this.lineTo(aX + aWidth, aY + aHeight);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
    this.lineTo(aX, aY + aHeight);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
    this.closePath();
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
    this.fill();
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   452
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   453
    this.currentPath_ = oldPath;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   455
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
  contextPrototype.createLinearGradient = function(aX0, aY0, aX1, aY1) {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   457
    var gradient = new CanvasGradient_('gradient');
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   458
    gradient.x0_ = aX0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   459
    gradient.y0_ = aY0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   460
    gradient.x1_ = aX1;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   461
    gradient.y1_ = aY1;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   462
    return gradient;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   465
  contextPrototype.createRadialGradient = function(aX0, aY0, aR0,
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   466
                                                   aX1, aY1, aR1) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   467
    var gradient = new CanvasGradient_('gradientradial');
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   468
    gradient.x0_ = aX0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   469
    gradient.y0_ = aY0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   470
    gradient.r0_ = aR0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   471
    gradient.x1_ = aX1;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   472
    gradient.y1_ = aY1;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   473
    gradient.r1_ = aR1;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   474
    return gradient;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   475
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   476
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   477
  contextPrototype.drawImage = function(image, var_args) {
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
    var dx, dy, dw, dh, sx, sy, sw, sh;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   480
    // to find the original width we overide the width and height
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   481
    var oldRuntimeWidth = image.runtimeStyle.width;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   482
    var oldRuntimeHeight = image.runtimeStyle.height;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   483
    image.runtimeStyle.width = 'auto';
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
    image.runtimeStyle.height = 'auto';
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   485
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   486
    // get the original size
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   487
    var w = image.width;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   488
    var h = image.height;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   489
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
    // and remove overides
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
    image.runtimeStyle.width = oldRuntimeWidth;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   492
    image.runtimeStyle.height = oldRuntimeHeight;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   494
    if (arguments.length == 3) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   495
      dx = arguments[1];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   496
      dy = arguments[2];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
      sx = sy = 0;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   498
      sw = dw = w;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   499
      sh = dh = h;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
    } else if (arguments.length == 5) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   501
      dx = arguments[1];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   502
      dy = arguments[2];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   503
      dw = arguments[3];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
      dh = arguments[4];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   505
      sx = sy = 0;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   506
      sw = w;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   507
      sh = h;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   508
    } else if (arguments.length == 9) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   509
      sx = arguments[1];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   510
      sy = arguments[2];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   511
      sw = arguments[3];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   512
      sh = arguments[4];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   513
      dx = arguments[5];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   514
      dy = arguments[6];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
      dw = arguments[7];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
      dh = arguments[8];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   517
    } else {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   518
      throw Error('Invalid number of arguments');
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   519
    }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   521
    var d = this.getCoords_(dx, dy);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
    var w2 = sw / 2;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   524
    var h2 = sh / 2;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
    var vmlStr = [];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   527
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   528
    var W = 10;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   529
    var H = 10;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   530
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   531
    // For some reason that I've now forgotten, using divs didn't work
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   532
    vmlStr.push(' <g_vml_:group',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   533
                ' coordsize="', Z * W, ',', Z * H, '"',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   534
                ' coordorigin="0,0"' ,
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   535
                ' style="width:', W, 'px;height:', H, 'px;position:absolute;');
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   536
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   537
    // If filters are necessary (rotation exists), create them
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
    // filters are bog-slow, so only create them if abbsolutely necessary
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
    // The following check doesn't account for skews (which don't exist
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
    // in the canvas spec (yet) anyway.
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
    if (this.m_[0][0] != 1 || this.m_[0][1]) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   543
      var filter = [];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
      // Note the 12/21 reversal
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   546
      filter.push('M11=', this.m_[0][0], ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   547
                  'M12=', this.m_[1][0], ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   548
                  'M21=', this.m_[0][1], ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   549
                  'M22=', this.m_[1][1], ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   550
                  'Dx=', mr(d.x / Z), ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   551
                  'Dy=', mr(d.y / Z), '');
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   552
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   553
      // Bounding box calculation (need to minimize displayed area so that
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554
      // filters don't waste time on unused pixels.
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   555
      var max = d;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   556
      var c2 = this.getCoords_(dx + dw, dy);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   557
      var c3 = this.getCoords_(dx, dy + dh);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   558
      var c4 = this.getCoords_(dx + dw, dy + dh);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   559
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   560
      max.x = m.max(max.x, c2.x, c3.x, c4.x);
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   561
      max.y = m.max(max.y, c2.y, c3.y, c4.y);
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   562
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   563
      vmlStr.push('padding:0 ', mr(max.x / Z), 'px ', mr(max.y / Z),
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   564
                  'px 0;filter:progid:DXImageTransform.Microsoft.Matrix(',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   565
                  filter.join(''), ", sizingmethod='clip');")
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   566
    } else {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   567
      vmlStr.push('top:', mr(d.y / Z), 'px;left:', mr(d.x / Z), 'px;');
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   568
    }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   569
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   570
    vmlStr.push(' ">' ,
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   571
                '<g_vml_:image src="', image.src, '"',
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   572
                ' style="width:', Z * dw, 'px;',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   573
                ' height:', Z * dh, 'px;"',
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   574
                ' cropleft="', sx / w, '"',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   575
                ' croptop="', sy / h, '"',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   576
                ' cropright="', (w - sx - sw) / w, '"',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   577
                ' cropbottom="', (h - sy - sh) / h, '"',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   578
                ' />',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   579
                '</g_vml_:group>');
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   580
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   581
    this.element_.insertAdjacentHTML('BeforeEnd',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   582
                                    vmlStr.join(''));
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   583
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   584
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   585
  contextPrototype.stroke = function(aFill) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   586
    var lineStr = [];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   587
    var lineOpen = false;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   588
    var a = processStyle(aFill ? this.fillStyle : this.strokeStyle);
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   589
    var color = a.color;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   590
    var opacity = a.alpha * this.globalAlpha;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   591
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   592
    var W = 10;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   593
    var H = 10;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   594
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   595
    lineStr.push('<g_vml_:shape',
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   596
                 ' filled="', !!aFill, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   597
                 ' style="position:absolute;width:', W, 'px;height:', H, 'px;"',
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   598
                 ' coordorigin="0 0" coordsize="', Z * W, ' ', Z * H, '"',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   599
                 ' stroked="', !aFill, '"',
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   600
                 ' path="');
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   601
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   602
    var newSeq = false;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   603
    var min = {x: null, y: null};
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   604
    var max = {x: null, y: null};
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   605
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   606
    for (var i = 0; i < this.currentPath_.length; i++) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   607
      var p = this.currentPath_[i];
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   608
      var c;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   609
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   610
      switch (p.type) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   611
        case 'moveTo':
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   612
          c = p;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   613
          lineStr.push(' m ', mr(p.x), ',', mr(p.y));
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   614
          break;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   615
        case 'lineTo':
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   616
          lineStr.push(' l ', mr(p.x), ',', mr(p.y));
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   617
          break;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   618
        case 'close':
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   619
          lineStr.push(' x ');
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   620
          p = null;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   621
          break;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   622
        case 'bezierCurveTo':
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   623
          lineStr.push(' c ',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   624
                       mr(p.cp1x), ',', mr(p.cp1y), ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   625
                       mr(p.cp2x), ',', mr(p.cp2y), ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   626
                       mr(p.x), ',', mr(p.y));
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   627
          break;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   628
        case 'at':
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   629
        case 'wa':
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   630
          lineStr.push(' ', p.type, ' ',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   631
                       mr(p.x - this.arcScaleX_ * p.radius), ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   632
                       mr(p.y - this.arcScaleY_ * p.radius), ' ',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   633
                       mr(p.x + this.arcScaleX_ * p.radius), ',',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   634
                       mr(p.y + this.arcScaleY_ * p.radius), ' ',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   635
                       mr(p.xStart), ',', mr(p.yStart), ' ',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   636
                       mr(p.xEnd), ',', mr(p.yEnd));
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   637
          break;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   638
      }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   639
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   640
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   641
      // TODO: Following is broken for curves due to
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   642
      //       move to proper paths.
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   643
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   644
      // Figure out dimensions so we can do gradient fills
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   645
      // properly
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   646
      if (p) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   647
        if (min.x == null || p.x < min.x) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   648
          min.x = p.x;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   649
        }
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   650
        if (max.x == null || p.x > max.x) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   651
          max.x = p.x;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   652
        }
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   653
        if (min.y == null || p.y < min.y) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   654
          min.y = p.y;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   655
        }
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   656
        if (max.y == null || p.y > max.y) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   657
          max.y = p.y;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   658
        }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   659
      }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   660
    }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   661
    lineStr.push(' ">');
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   662
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   663
    if (!aFill) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   664
      var lineWidth = this.lineScale_ * this.lineWidth;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   665
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   666
      // VML cannot correctly render a line if the width is less than 1px.
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   667
      // In that case, we dilute the color to make the line look thinner.
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   668
      if (lineWidth < 1) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   669
        opacity *= lineWidth;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   670
      }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   671
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   672
      lineStr.push(
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   673
        '<g_vml_:stroke',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   674
        ' opacity="', opacity, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   675
        ' joinstyle="', this.lineJoin, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   676
        ' miterlimit="', this.miterLimit, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   677
        ' endcap="', processLineCap(this.lineCap), '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   678
        ' weight="', lineWidth, 'px"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   679
        ' color="', color, '" />'
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   680
      );
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   681
    } else if (typeof this.fillStyle == 'object') {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   682
      var fillStyle = this.fillStyle;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   683
      var angle = 0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   684
      var focus = {x: 0, y: 0};
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   685
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   686
      // additional offset
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   687
      var shift = 0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   688
      // scale factor for offset
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   689
      var expansion = 1;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   690
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   691
      if (fillStyle.type_ == 'gradient') {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   692
        var x0 = fillStyle.x0_ / this.arcScaleX_;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   693
        var y0 = fillStyle.y0_ / this.arcScaleY_;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   694
        var x1 = fillStyle.x1_ / this.arcScaleX_;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   695
        var y1 = fillStyle.y1_ / this.arcScaleY_;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   696
        var p0 = this.getCoords_(x0, y0);
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   697
        var p1 = this.getCoords_(x1, y1);
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   698
        var dx = p1.x - p0.x;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   699
        var dy = p1.y - p0.y;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   700
        angle = Math.atan2(dx, dy) * 180 / Math.PI;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   701
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   702
        // The angle should be a non-negative number.
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   703
        if (angle < 0) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   704
          angle += 360;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   705
        }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   706
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   707
        // Very small angles produce an unexpected result because they are
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   708
        // converted to a scientific notation string.
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   709
        if (angle < 1e-6) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   710
          angle = 0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   711
        }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   712
      } else {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   713
        var p0 = this.getCoords_(fillStyle.x0_, fillStyle.y0_);
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   714
        var width  = max.x - min.x;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   715
        var height = max.y - min.y;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   716
        focus = {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   717
          x: (p0.x - min.x) / width,
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   718
          y: (p0.y - min.y) / height
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   719
        };
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   720
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   721
        width  /= this.arcScaleX_ * Z;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   722
        height /= this.arcScaleY_ * Z;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   723
        var dimension = m.max(width, height);
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   724
        shift = 2 * fillStyle.r0_ / dimension;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   725
        expansion = 2 * fillStyle.r1_ / dimension - shift;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   726
      }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   727
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   728
      // We need to sort the color stops in ascending order by offset,
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   729
      // otherwise IE won't interpret it correctly.
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   730
      var stops = fillStyle.colors_;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   731
      stops.sort(function(cs1, cs2) {
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   732
        return cs1.offset - cs2.offset;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   733
      });
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   734
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   735
      var length = stops.length;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   736
      var color1 = stops[0].color;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   737
      var color2 = stops[length - 1].color;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   738
      var opacity1 = stops[0].alpha * this.globalAlpha;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   739
      var opacity2 = stops[length - 1].alpha * this.globalAlpha;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   740
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   741
      var colors = [];
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   742
      for (var i = 0; i < length; i++) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   743
        var stop = stops[i];
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   744
        colors.push(stop.offset * expansion + shift + ' ' + stop.color);
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   745
      }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   746
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   747
      // When colors attribute is used, the meanings of opacity and o:opacity2
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   748
      // are reversed.
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   749
      lineStr.push('<g_vml_:fill type="', fillStyle.type_, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   750
                   ' method="none" focus="100%"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   751
                   ' color="', color1, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   752
                   ' color2="', color2, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   753
                   ' colors="', colors.join(','), '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   754
                   ' opacity="', opacity2, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   755
                   ' g_o_:opacity2="', opacity1, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   756
                   ' angle="', angle, '"',
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   757
                   ' focusposition="', focus.x, ',', focus.y, '" />');
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   758
    } else {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   759
      lineStr.push('<g_vml_:fill color="', color, '" opacity="', opacity,
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   760
                   '" />');
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   761
    }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   762
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   763
    lineStr.push('</g_vml_:shape>');
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   764
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   765
    this.element_.insertAdjacentHTML('beforeEnd', lineStr.join(''));
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   766
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   767
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   768
  contextPrototype.fill = function() {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   769
    this.stroke(true);
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   770
  }
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   771
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   772
  contextPrototype.closePath = function() {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   773
    this.currentPath_.push({type: 'close'});
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   774
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   775
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   776
  /**
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   777
   * @private
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   778
   */
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   779
  contextPrototype.getCoords_ = function(aX, aY) {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   780
    var m = this.m_;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   781
    return {
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   782
      x: Z * (aX * m[0][0] + aY * m[1][0] + m[2][0]) - Z2,
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   783
      y: Z * (aX * m[0][1] + aY * m[1][1] + m[2][1]) - Z2
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   784
    }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   785
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   786
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   787
  contextPrototype.save = function() {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   788
    var o = {};
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   789
    copyState(this, o);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   790
    this.aStack_.push(o);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   791
    this.mStack_.push(this.m_);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   792
    this.m_ = matrixMultiply(createMatrixIdentity(), this.m_);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   793
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   794
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   795
  contextPrototype.restore = function() {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   796
    copyState(this.aStack_.pop(), this);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   797
    this.m_ = this.mStack_.pop();
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   798
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   799
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   800
  function matrixIsFinite(m) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   801
    for (var j = 0; j < 3; j++) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   802
      for (var k = 0; k < 2; k++) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   803
        if (!isFinite(m[j][k]) || isNaN(m[j][k])) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   804
          return false;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   805
        }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   806
      }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   807
    }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   808
    return true;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   809
  }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   810
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   811
  function setM(ctx, m, updateLineScale) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   812
    if (!matrixIsFinite(m)) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   813
      return;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   814
    }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   815
    ctx.m_ = m;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   816
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   817
    if (updateLineScale) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   818
      // Get the line scale.
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   819
      // Determinant of this.m_ means how much the area is enlarged by the
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   820
      // transformation. So its square root can be used as a scale factor
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   821
      // for width.
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   822
      var det = m[0][0] * m[1][1] - m[0][1] * m[1][0];
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   823
      ctx.lineScale_ = sqrt(abs(det));
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   824
    }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   825
  }
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   826
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   827
  contextPrototype.translate = function(aX, aY) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   828
    var m1 = [
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   829
      [1,  0,  0],
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   830
      [0,  1,  0],
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   831
      [aX, aY, 1]
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   832
    ];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   833
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   834
    setM(this, matrixMultiply(m1, this.m_), false);
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   835
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   836
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   837
  contextPrototype.rotate = function(aRot) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   838
    var c = mc(aRot);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   839
    var s = ms(aRot);
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   840
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   841
    var m1 = [
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   842
      [c,  s, 0],
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   843
      [-s, c, 0],
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   844
      [0,  0, 1]
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   845
    ];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   846
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   847
    setM(this, matrixMultiply(m1, this.m_), false);
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   848
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   849
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   850
  contextPrototype.scale = function(aX, aY) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   851
    this.arcScaleX_ *= aX;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   852
    this.arcScaleY_ *= aY;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   853
    var m1 = [
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   854
      [aX, 0,  0],
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   855
      [0,  aY, 0],
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   856
      [0,  0,  1]
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   857
    ];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   858
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   859
    setM(this, matrixMultiply(m1, this.m_), true);
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   860
  };
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   861
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   862
  contextPrototype.transform = function(m11, m12, m21, m22, dx, dy) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   863
    var m1 = [
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   864
      [m11, m12, 0],
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   865
      [m21, m22, 0],
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   866
      [dx,  dy,  1]
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   867
    ];
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   868
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   869
    setM(this, matrixMultiply(m1, this.m_), true);
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   870
  };
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   871
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   872
  contextPrototype.setTransform = function(m11, m12, m21, m22, dx, dy) {
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   873
    var m = [
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   874
      [m11, m12, 0],
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   875
      [m21, m22, 0],
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   876
      [dx,  dy,  1]
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   877
    ];
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   878
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   879
    setM(this, m, true);
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   880
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   881
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   882
  /******** STUBS ********/
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   883
  contextPrototype.clip = function() {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   884
    // TODO: Implement
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   885
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   886
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   887
  contextPrototype.arcTo = function() {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   888
    // TODO: Implement
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   889
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   890
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   891
  contextPrototype.createPattern = function() {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   892
    return new CanvasPattern_;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   893
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   894
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   895
  // Gradient / Pattern Stubs
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   896
  function CanvasGradient_(aType) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   897
    this.type_ = aType;
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   898
    this.x0_ = 0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   899
    this.y0_ = 0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   900
    this.r0_ = 0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   901
    this.x1_ = 0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   902
    this.y1_ = 0;
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   903
    this.r1_ = 0;
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   904
    this.colors_ = [];
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   905
  }
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   906
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   907
  CanvasGradient_.prototype.addColorStop = function(aOffset, aColor) {
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   908
    aColor = processStyle(aColor);
4220
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   909
    this.colors_.push({offset: aOffset,
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   910
                       color: aColor.color,
713434095f0d [javascript] upgrade excanvas.js (rev. M3, mars 2009): this fixes plot widgets rendering in IE
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1888
diff changeset
   911
                       alpha: aColor.alpha});
1888
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   912
  };
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   913
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   914
  function CanvasPattern_() {}
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   915
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   916
  // set up externs
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   917
  G_vmlCanvasManager = G_vmlCanvasManager_;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   918
  CanvasRenderingContext2D = CanvasRenderingContext2D_;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   919
  CanvasGradient = CanvasGradient_;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   920
  CanvasPattern = CanvasPattern_;
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   921
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   922
})();
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   923
f36d43f00f32 [views] plot with flot and get rid of matplotlib
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   924
} // if