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[Compass Core] [CSS3] Add support for gradients on top of background images.

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Will Leinweber 2010-05-02 16:33:36 -07:00 committed by Chris Eppstein
parent 72a3c04461
commit b5faed9e4c
1 changed files with 19 additions and 11 deletions
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30
frameworks/compass/stylesheets/compass/css3/_gradient.scss
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@ -22,22 +22,27 @@
//
// +linear-gradient(color-stops(white, blue 33%, black 67%))
//
// This yields a linear gradient on top of a background image
//
// +linear-gradient(color_stops(white,black), "top", image-url('noise.png'))
// Browsers Supported:
//
// - Chrome
// - Safari
// - Firefox 3.6
@mixin linear-gradient($color-stops, $start: top) {
@mixin linear-gradient($color-stops, $start: top, $image: false) {
// Firefox's gradient api is nice.
// Webkit's gradient api sucks -- hence these backflips:
$background: unquote("");
@if $image { $background : $image + unquote(", "); }
$end: grad-opposite-position($start);
@if $experimental-support-for-webkit {
background-image: -webkit-gradient(linear, #{grad-point($start)}, #{grad-point($end)}, #{grad-color-stops($color-stops)});
background-image: #{$background}-webkit-gradient(linear, grad-point($start), grad-point($end), grad-color-stops($color-stops));
}
@if $experimental-support-for-mozilla {
background-image: #{$background}-moz-linear-gradient($start, $color-stops);
}
@include experimental-value(background-image, linear-gradient(#{$start}, #{$color-stops}),
-moz, not -webkit, not -o, not -ms, not -khtml, not official
)
}
// Due to limitation's of webkit, the radial gradient mixin works best if you use
@ -51,19 +56,22 @@
// +radial-gradient(color-stops(#c00, #00c), "top left")
// // Three colors, ending at 50px and passing thru #fff at 25px
// +radial-gradient(color-stops(#c00, #fff, #00c 50px))
//
// // gradient on top of a background image
// +radial-gradient(color_stops(#c00, #fff), "top left", image-url("noise.png")))
// Browsers Supported:
//
// - Chrome
// - Safari
// - Firefox 3.6
@mixin radial-gradient($color-stops, $center-position: unquote("center center")) {
@mixin radial-gradient($color-stops, $center-position: center center, $image: false) {
$end-pos: grad-end-position($color-stops, true);
$background: unquote("");
@if $image { $background: $image + unquote(", "); }
@if $experimental-support-for-webkit {
background-image: -webkit-gradient(radial, #{grad-point($center-position)}, 0, #{grad-point($center-position)}, #{$end-pos}, #{grad-color-stops($color-stops)});
background-image: #{$background}-webkit-gradient(radial, grad-point($center-position), 0, grad-point($center-position), $end-pos, grad-color-stops($color-stops));
}
@if $experimental-support-for-mozilla {
background-image: #{$background}-moz-radial-gradient($center-position, circle, $color-stops);
}
@include experimental-value(background-image, radial-gradient(#{$center-position}, circle, #{$color-stops}),
-moz, not -webkit, not -o, not -ms, not -khtml, not official
)
}