author | Adrien Di Mascio <Adrien.DiMascio@logilab.fr> |
Fri, 27 Aug 2010 13:44:55 +0200 | |
branch | stable |
changeset 6165 | 7da7c270bbbd |
parent 6010 | 9d40ee3d0551 |
child 6215 | 759cf097f5aa |
permissions | -rw-r--r-- |
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[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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1 |
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d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
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2 |
jQuery.fn.autoResize = function() { |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
3 |
// remove enforced with / height (by CSS and/or HTML attributes) |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
4 |
this.css("width", "auto").css("height", "auto"); |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
5 |
this.removeAttr("width").removeAttr("height"); // Remove |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
6 |
// compute image size / max allowed size to fit screen |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
7 |
var imgHSize = this.width(); |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
8 |
var maxHSize = $(window).width() - ($(document).width() - imgHSize); |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
9 |
var imgVSize = this.height(); |
6010
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
|
10 |
// we don't mind if content in [content]footer moved out of the screen |
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
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11 |
var maxVSize = $(window).height() - ($(document).height() - imgVSize) + $('#footer').height() + $('#contentfooter').height(); |
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d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
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if (maxHSize > 0 && maxVSize > 0) { |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
13 |
// if image don't fit screen, set width or height so that |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
14 |
// browser keep img ratio, ensuring the other dimension will |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
15 |
// also fit the screen |
6010
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
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if (imgHSize > maxHSize && ((imgVSize / imgHSize) * maxHSize) <= maxVSize) { |
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d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
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this.css("width", maxHSize); |
6010
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
|
18 |
} else if (imgVSize > maxVSize && ((imgHSize / imgVSize) * maxVSize) <= maxHSize) { |
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d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
19 |
this.css("height", maxVSize); |
6010
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
|
20 |
} |
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
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21 |
else { |
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
|
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// image already fit in screen, don't scale it up |
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
|
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} |
6004
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
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} else { |
6010
9d40ee3d0551
[image js] fix image fit screen function
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
6004
diff
changeset
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// can't fit image in, don't do anything |
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d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
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} |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
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}; |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
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d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
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d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
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$(document).ready(function() { |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
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$("img.contentimage").load(function() {$(this).autoResize()}); |
d17d3b34bc12
[image] more handy image resizing using javascript
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
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}); |