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Implement 'background-origin' property in CSS3 Background

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This property determines the background positioning area, that is the position of
the origin of an image specified using the 'background-image' CSS property.

'background-origin' is ignored when background-attachment is fixed.

Spec: http://dev.w3.org/csswg/css-backgrounds-3/#background-origin

Fixes #6045.
This commit is contained in:
Jinwoo Song 2015-05-13 18:18:40 +09:00
parent b05c3fc0c0
commit b1b22c0c53
7 changed files with 119 additions and 8 deletions
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40
tests/ref/background_origin_a.html Normal file
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@ -0,0 +1,40 @@
<!DOCTYPE html>
<html>
<head>
<style>
#foo1 {
background: url(400x400_green.png);
background-origin: padding-box;
background-repeat: no-repeat;
width: 400px;
height: 400px;
padding: 20px;
border: 20px dotted red;
}
#foo2 {
background: url(400x400_green.png);
background-origin: border-box;
background-repeat: no-repeat;
width: 400px;
height: 400px;
padding: 20px;
border: 20px dotted red;
}
#foo3 {
background: url(400x400_green.png);
background-origin: content-box;
background-repeat: no-repeat;
width: 400px;
height: 400px;
padding: 20px;
border: 20px dotted red;
}
</style>
</head>
<body>
<div id=foo1></div>
<div id=foo2></div>
<div id=foo3></div>
</body>
</html>

39
tests/ref/background_origin_ref.html Normal file
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@ -0,0 +1,39 @@
<!DOCTYPE html>
<html>
<head>
<style>
#foo1 {
background: url(400x400_green.png);
background-repeat: no-repeat;
width: 400px;
height: 400px;
padding: 20px;
border: 20px dotted red;
}
#foo2 {
background: url(400x400_green.png);
background-position: -20px -20px;
background-repeat: no-repeat;
width: 400px;
height: 400px;
padding: 20px;
border: 20px dotted red;
}
#foo3 {
background: url(400x400_green.png);
background-position: 20px 20px;
background-repeat: no-repeat;
width: 400px;
height: 400px;
padding: 20px;
border: 20px dotted red;
}
</style>
</head>
<body>
<div id=foo1></div>
<div id=foo2></div>
<div id=foo3></div>
</body>
</html>

1
tests/ref/basic.list
View file

@ -25,6 +25,7 @@ flaky_cpu == append_style_a.html append_style_b.html
== background_external_stylesheet.html background_ref.html
== background_image_position_a.html background_image_position_ref.html
== background_none_a.html background_none_b.html
== background_origin_a.html background_origin_ref.html
== background_position_a.html background_position_b.html
== background_position_keyword.html background_position_b.html
== background_position_percent.html background_position_b.html

1
tests/unit/style/stylesheets.rs
View file

@ -116,6 +116,7 @@ fn test_parse_stylesheet() {
],
declarations: PropertyDeclarationBlock {
normal: Arc::new(vec![
PropertyDeclaration::BackgroundOrigin(DeclaredValue::Initial),
PropertyDeclaration::BackgroundSize(DeclaredValue::Initial),
PropertyDeclaration::BackgroundImage(DeclaredValue::Initial),
PropertyDeclaration::BackgroundAttachment(DeclaredValue::Initial),