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@function linear-gradient-bevel($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
lighten($bg-color, 15%),
lighten($bg-color, 8%) 30%,
$bg-color 65%,
darken($bg-color, 6%)
));
}
@function linear-gradient-glossy($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
lighten($bg-color, 15%),
lighten($bg-color, 5%) 50%,
$bg-color 51%,
darken($bg-color, 5%)
));
}
@function linear-gradient-recessed($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
darken($bg-color, 10%),
darken($bg-color, 5%) 10%,
$bg-color 65%,
lighten($bg-color, .5%)
));
}
@function linear-gradient-matte($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
lighten($bg-color, 3%),
darken($bg-color, 4%)
));
}
@function linear-gradient-matte-reverse($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
darken($bg-color, 6%),
lighten($bg-color, 4%)
));
}
@function linear-gradient-panel-header($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
adjust-color($bg-color, $hue: -0.857deg, $saturation: -1.63%, $lightness: 3.529%),
adjust-color($bg-color, $hue: 0.158deg, $saturation: -1.21%, $lightness: 0.392%) 45%,
adjust-color($bg-color, $hue: 1.154deg, $saturation: 0.607%, $lightness: -7.647%) 46%,
adjust-color($bg-color, $hue: 1.154deg, $saturation: 0.607%, $lightness: -7.647%) 50%,
adjust-color($bg-color, $hue: 1.444deg, $saturation: -1.136%, $lightness: -4.706%) 51%,
$bg-color
));
}
@function linear-gradient-tabbar($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
adjust-color($bg-color, $hue: 0.0deg, $saturation: 1.604%, $lightness: 4.706%),
$bg-color
));
}
@function linear-gradient-tab($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
adjust-color($bg-color, $hue: 1.382deg, $saturation: -18.571%, $lightness: -4.902%),
adjust-color($bg-color, $hue: 0.43deg, $saturation: -10.311%, $lightness: -2.157%) 25%,
$bg-color 45%
));
}
@function linear-gradient-tab-active($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
adjust-color($bg-color, $hue: -212.903deg, $saturation: -88.571%, $lightness: 6.863%),
adjust-color($bg-color, $hue: 0.43deg, $saturation: -6.753%, $lightness: 4.706%) 25%,
$bg-color 45%
));
}
@function linear-gradient-tab-over($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
adjust-color($bg-color, $hue: 4.462deg, $saturation: -9.524%, $lightness: -3.725%),
adjust-color($bg-color, $hue: 2.272deg, $saturation: 0.0%, $lightness: -1.569%) 25%,
$bg-color 45%
));
}
@function linear-gradient-tab-disabled($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
$bg-color,
adjust-color($bg-color, $hue: -0.267deg, $saturation: 18.571%, $lightness: 2.941%)
));
}
@function linear-gradient-grid-header($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
adjust-color($bg-color, $hue: 0deg, $saturation: 0%, $lightness: 20.392%),
adjust-color($bg-color, $hue: 220.0deg, $saturation: 5.66%, $lightness: 12.353%)
));
}
@function linear-gradient-grid-header-over($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
adjust-color($bg-color, $hue: 0.175deg, $saturation: 0.967%, $lightness: 14.118%),
adjust-color($bg-color, $hue: 0.175deg, $saturation: 0.967%, $lightness: 14.118%) 39%,
adjust-color($bg-color, $hue: 0.372deg, $saturation: 0.101%, $lightness: 10.196%) 40%,
adjust-color($bg-color, $hue: 0.372deg, $saturation: 0.101%, $lightness: 10.196%)
));
}
@function linear-gradient-grid-row-over($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
adjust-color($bg-color, $hue: 0.175deg, $saturation: 0.967%, $lightness: 14.118%),
$bg-color
));
}
@function linear-gradient-grid-cell-special($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
$bg-color,
darken($bg-color, 5)
));
}
@function linear-gradient-glossy-button($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
$bg-color,
adjust-color($bg-color, $hue: 0deg, $saturation: 0%, $lightness: -2.353%) 48%,
adjust-color($bg-color, $hue: 0deg, $saturation: 0%, $lightness: -11.373%) 52%,
adjust-color($bg-color, $hue: 0deg, $saturation: 0%, $lightness: -9.412%)
));
}
@function linear-gradient-glossy-button-over($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
$bg-color,
adjust-color($bg-color, $hue: 1.754deg, $saturation: 0.0%, $lightness: -2.157%) 48%,
adjust-color($bg-color, $hue: 5.833deg, $saturation: -35.135%, $lightness: -9.216%) 52%,
adjust-color($bg-color, $hue: 5.833deg, $saturation: -27.273%, $lightness: -7.647%)
));
}
@function linear-gradient-glossy-button-pressed($direction, $bg-color) {
@return linear-gradient($direction, color_stops(
$bg-color,
adjust-color($bg-color, $hue: -1.839deg, $saturation: -2.18%, $lightness: 2.157%) 48%,
adjust-color($bg-color, $hue: -2.032deg, $saturation: 37.871%, $lightness: -4.706%) 52%,
adjust-color($bg-color, $hue: -1.641deg, $saturation: 36.301%, $lightness: -2.549%)
));
}
// Patch compass background-image mixin to fix EXTJSIV-9723.
// This patch is only guaranteed to be compatible with the current Sencha Cmd-bundled
// version of compass - 0.12.2
// Remove this override when proper support for w3c style gradients is implemented in
// the compass framework. For more info see:
// https://github.com/chriseppstein/compass/issues/965#ref-pullrequest-10812518
@mixin background-image(
$image-1,
$image-2: false,
$image-3: false,
$image-4: false,
$image-5: false,
$image-6: false,
$image-7: false,
$image-8: false,
$image-9: false,
$image-10: false
) {
$images: compact($image-1, $image-2, $image-3, $image-4, $image-5, $image-6, $image-7, $image-8, $image-9, $image-10);
$add-pie-bg: prefixed(-pie, $images) or -compass-list-size($images) > 1;
@if $experimental-support-for-svg and prefixed(-svg, $images) { background-image: -svg($images); background-size: 100%; }
@if $support-for-original-webkit-gradients and prefixed(-owg, $images) { background-image: -owg($images); }
@if $experimental-support-for-webkit and prefixed(-webkit, $images) { background-image: -webkit($images); }
@if $experimental-support-for-mozilla and prefixed(-moz, $images) { background-image: -moz($images); }
@if $experimental-support-for-opera and prefixed(-o, $images) { background-image: -o($images); }
@if $experimental-support-for-pie and $add-pie-bg { @warn "PIE does not support background-image. Use @include background(#{$images}) instead." }
// begin patch
background-image: -ms-#{$images};
// end patch
background-image: $images ;
}
/**
* Creates a background gradient.
*
* Example usage:
* .foo {
* @include background-gradient(#808080, matte, left);
* }
*
* @param {Color} $bg-color The background color of the gradient
* @param {String/List} [$type=$base-gradient] The type of gradient to be used. Can either
* be a String which is a predefined gradient name, or it can can be a list of color stops.
* If null is passed, this mixin will still set the `background-color` to $bg-color.
* The available predefined gradient names are:
*
* * bevel
* * glossy
* * recessed
* * matte
* * matte-reverse
* * panel-header
* * tabbar
* * tab
* * tab-active
* * tab-over
* * tab-disabled
* * grid-header
* * grid-header-over
* * grid-row-over
* * grid-cell-special
* * glossy-button
* * glossy-button-over
* * glossy-button-pressed
*
* Each of these gradient names corresponds to a function named linear-gradient[name].
* Themes can override these functions to customize the color stops that they return.
* For example, to override the glossy-button gradient function add a function named
* "linear-gradient-glossy-button" to a file named "sass/etc/mixins/background-gradient.scss"
* in your theme. The function should return the result of calling the Compass linear-gradient
* function with the desired direction and color-stop information for the gradient. For example:
*
* @function linear-gradient-glossy-button($direction, $bg-color) {
* @return linear-gradient($direction, color_stops(
* mix(#fff, $bg-color, 10%),
* $bg-color 50%,
* mix(#000, $bg-color, 5%) 51%,
* $bg-color
* ));
* }
*
* @param {String} [$direction=top] The direction of the gradient. Can either be
* `top` or `left`.
*
* @member Global_CSS
*/
@mixin background-gradient($bg-color, $type: $base-gradient, $direction: top) {
background-image: none;
background-color: $bg-color;
@if not is-null($base-gradient) and $bg-color != transparent {
$gradient: null;
//color_stops
@if type-of($type) == "list" {
$gradient: linear-gradient($direction, $type);
}
//default gradients
@else if $type == bevel {
$gradient: linear-gradient-bevel($direction, $bg-color);
} @else if $type == glossy {
$gradient: linear-gradient-glossy($direction, $bg-color);
} @else if $type == recessed {
$gradient: linear-gradient-recessed($direction, $bg-color);
} @else if $type == matte {
$gradient: linear-gradient-matte($direction, $bg-color);
} @else if $type == matte-reverse {
$gradient: linear-gradient-matte-reverse($direction, $bg-color);
}
// gradients
@else if $type == panel-header {
$gradient: linear-gradient-panel-header($direction, $bg-color);
} @else if $type == tabbar {
$gradient: linear-gradient-tabbar($direction, $bg-color);
} @else if $type == tab {
$gradient: linear-gradient-tab($direction, $bg-color);
} @else if $type == tab-active {
$gradient: linear-gradient-tab-active($direction, $bg-color);
} @else if $type == tab-over {
$gradient: linear-gradient-tab-over($direction, $bg-color);
} @else if $type == tab-disabled {
$gradient: linear-gradient-tab-disabled($direction, $bg-color);
} @else if $type == grid-header {
$gradient: linear-gradient-grid-header($direction, $bg-color);
} @else if $type == grid-header-over {
$gradient: linear-gradient-grid-header-over($direction, $bg-color);
} @else if $type == grid-row-over {
$gradient: linear-gradient-grid-row-over($direction, $bg-color);
} @else if $type == grid-cell-special {
$gradient: linear-gradient-grid-cell-special($direction, $bg-color);
} @else if $type == glossy-button or $type == glossy-button-disabled {
$gradient: linear-gradient-glossy-button($direction, $bg-color);
} @else if $type == glossy-button-over {
$gradient: linear-gradient-glossy-button-over($direction, $bg-color);
} @else if $type == glossy-button-pressed {
$gradient: linear-gradient-glossy-button-pressed($direction, $bg-color);
}
@if $gradient != null {
@include background-image($gradient);
}
}
}