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Implement new Webrender PushTextShadow API

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Also includes an incidental bugfix for the rendering order of text decorations.

This change depends on servo/webrender#1454 being merged and upstreamed to servo.
This commit is contained in:
Alexis Beingessner 2017-07-11 17:37:41 -04:00 • committed by Martin Robinson
parent 1b6d29e319
commit 2d3eae3e3a
3 changed files with 106 additions and 67 deletions
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32
components/gfx/display_list/mod.rs
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@ -605,6 +605,8 @@ pub enum DisplayItem {
RadialGradient(Box<RadialGradientDisplayItem>),
Line(Box<LineDisplayItem>),
BoxShadow(Box<BoxShadowDisplayItem>),
PushTextShadow(Box<PushTextShadowDisplayItem>),
PopTextShadow(Box<PopTextShadowDisplayItem>),
Iframe(Box<IframeDisplayItem>),
PushStackingContext(Box<PushStackingContextItem>),
PopStackingContext(Box<PopStackingContextItem>),
@ -895,9 +897,6 @@ pub struct TextDisplayItem {
/// The orientation of the text: upright or sideways left/right.
pub orientation: TextOrientation,
/// The blur radius for this text. If zero, this text is not blurred.
pub blur_radius: Au,
}
#[derive(Clone, Eq, PartialEq, HeapSizeOf, Deserialize, Serialize)]
@ -1180,6 +1179,29 @@ pub struct BoxShadowDisplayItem {
pub clip_mode: BoxShadowClipMode,
}
/// Defines a text shadow that affects all items until the paired PopTextShadow.
#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
pub struct PushTextShadowDisplayItem {
/// Fields common to all display items.
pub base: BaseDisplayItem,
/// The offset of this shadow from the text.
pub offset: Vector2D<Au>,
/// The color of this shadow.
pub color: ColorF,
/// The blur radius for this shadow.
pub blur_radius: Au,
}
/// Defines a text shadow that affects all items until the next PopTextShadow.
#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
pub struct PopTextShadowDisplayItem {
/// Fields common to all display items.
pub base: BaseDisplayItem,
}
/// Defines a stacking context.
#[derive(Clone, HeapSizeOf, Deserialize, Serialize)]
pub struct PushStackingContextItem {
@ -1233,6 +1255,8 @@ impl DisplayItem {
DisplayItem::RadialGradient(ref gradient) => &gradient.base,
DisplayItem::Line(ref line) => &line.base,
DisplayItem::BoxShadow(ref box_shadow) => &box_shadow.base,
DisplayItem::PushTextShadow(ref push_text_shadow) => &push_text_shadow.base,
DisplayItem::PopTextShadow(ref pop_text_shadow) => &pop_text_shadow.base,
DisplayItem::Iframe(ref iframe) => &iframe.base,
DisplayItem::PushStackingContext(ref stacking_context) => &stacking_context.base,
DisplayItem::PopStackingContext(ref item) => &item.base,
@ -1353,6 +1377,8 @@ impl fmt::Debug for DisplayItem {
DisplayItem::RadialGradient(_) => "RadialGradient".to_owned(),
DisplayItem::Line(_) => "Line".to_owned(),
DisplayItem::BoxShadow(_) => "BoxShadow".to_owned(),
DisplayItem::PushTextShadow(_) => "PushTextShadow".to_owned(),
DisplayItem::PopTextShadow(_) => "PopTextShadow".to_owned(),
DisplayItem::Iframe(_) => "Iframe".to_owned(),
DisplayItem::PushStackingContext(_) |
DisplayItem::PopStackingContext(_) |