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Partially implement radial gradients.

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Missing: repeating radial gradients and keyword sizes.
This commit is contained in:
Pyfisch 2017-04-12 14:54:28 +02:00
parent 2c445169ad
commit f4bad2d920
4 changed files with 194 additions and 83 deletions
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26
components/gfx/display_list/mod.rs
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@ -528,6 +528,7 @@ pub enum DisplayItem {
WebGL(Box<WebGLDisplayItem>),
Border(Box<BorderDisplayItem>),
Gradient(Box<GradientDisplayItem>),
RadialGradient(Box<RadialGradientDisplayItem>),
Line(Box<LineDisplayItem>),
BoxShadow(Box<BoxShadowDisplayItem>),
Iframe(Box<IframeDisplayItem>),
@ -900,6 +901,29 @@ pub struct GradientDisplayItem {
pub gradient: Gradient,
}
/// Paints a radial gradient.
#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
pub struct RadialGradient {
/// The center point of the gradient.
pub center: Point2D<Au>,
/// The radius of the gradient with an x and an y component.
pub radius: Size2D<Au>,
/// A list of color stops.
pub stops: Vec<GradientStop>,
}
#[derive(Clone, Deserialize, HeapSizeOf, Serialize)]
pub struct RadialGradientDisplayItem {
/// Fields common to all display item.
pub base: BaseDisplayItem,
/// Contains all gradient data.
pub gradient: RadialGradient,
}
/// A normal border, supporting CSS border styles.
#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
pub struct NormalBorder {
@ -1124,6 +1148,7 @@ impl DisplayItem {
DisplayItem::WebGL(ref webgl_item) => &webgl_item.base,
DisplayItem::Border(ref border) => &border.base,
DisplayItem::Gradient(ref gradient) => &gradient.base,
DisplayItem::RadialGradient(ref gradient) => &gradient.base,
DisplayItem::Line(ref line) => &line.base,
DisplayItem::BoxShadow(ref box_shadow) => &box_shadow.base,
DisplayItem::Iframe(ref iframe) => &iframe.base,
@ -1241,6 +1266,7 @@ impl fmt::Debug for DisplayItem {
DisplayItem::WebGL(_) => "WebGL".to_owned(),
DisplayItem::Border(_) => "Border".to_owned(),
DisplayItem::Gradient(_) => "Gradient".to_owned(),
DisplayItem::RadialGradient(_) => "RadialGradient".to_owned(),
DisplayItem::Line(_) => "Line".to_owned(),
DisplayItem::BoxShadow(_) => "BoxShadow".to_owned(),
DisplayItem::Iframe(_) => "Iframe".to_owned(),