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-rw-r--r--components/compositing/compositor.rs2
-rw-r--r--components/gfx/color.rs5
-rw-r--r--components/gfx/paint_context.rs10
-rw-r--r--components/layout/layout_task.rs6
4 files changed, 12 insertions, 11 deletions
diff --git a/components/compositing/compositor.rs b/components/compositing/compositor.rs
index f09eb6b51a8..e9e0f6bf8d2 100644
--- a/components/compositing/compositor.rs
+++ b/components/compositing/compositor.rs
@@ -508,7 +508,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
epoch: Epoch(0),
id: LayerId::null(),
rect: Rect::zero(),
- background_color: color::black(),
+ background_color: color::transparent_black(),
scroll_policy: ScrollPolicy::Scrollable,
};
diff --git a/components/gfx/color.rs b/components/gfx/color.rs
index f1f589ef4b7..0bf03bff6dc 100644
--- a/components/gfx/color.rs
+++ b/components/gfx/color.rs
@@ -24,6 +24,11 @@ pub fn rgba(r: AzFloat, g: AzFloat, b: AzFloat, a: AzFloat) -> AzColor {
#[inline]
pub fn black() -> AzColor {
+ AzColor { r: 0.0, g: 0.0, b: 0.0, a: 1.0 }
+}
+
+#[inline]
+pub fn transparent_black() -> AzColor {
AzColor { r: 0.0, g: 0.0, b: 0.0, a: 0.0 }
}
diff --git a/components/gfx/paint_context.rs b/components/gfx/paint_context.rs
index 7a304bfb4cb..64495418ffe 100644
--- a/components/gfx/paint_context.rs
+++ b/components/gfx/paint_context.rs
@@ -154,7 +154,7 @@ impl<'a> PaintContext<'a> {
}
pub fn clear(&self) {
- let pattern = ColorPattern::new(color::black());
+ let pattern = ColorPattern::new(color::transparent_black());
let rect = Rect(Point2D(self.page_rect.origin.x as AzFloat,
self.page_rect.origin.y as AzFloat),
Size2D(self.screen_rect.size.width as AzFloat,
@@ -729,9 +729,8 @@ impl<'a> PaintContext<'a> {
};
let mut lighter_color;
- let mut darker_color = color::black();;
- // TODO(Savago): Use equality operators when we sync with rust-azure.
- if color.r != darker_color.r || color.g != darker_color.g || color.b != darker_color.b {
+ let mut darker_color = color::black();
+ if color != darker_color {
darker_color = self.scale_color(color, if is_groove { 1.0/3.0 } else { 2.0/3.0 });
lighter_color = color;
} else {
@@ -775,8 +774,7 @@ impl<'a> PaintContext<'a> {
// You can't scale black color (i.e. 'scaled = 0 * scale', equals black).
let mut scaled_color = color::black();
- // TODO(Savago): Use equality operators when we sync with rust-azure.
- if color.r != scaled_color.r || color.g != scaled_color.g || color.b != scaled_color.b {
+ if color != scaled_color {
scaled_color = match direction {
Direction::Top | Direction::Left => {
self.scale_color(color, if is_inset { 2.0/3.0 } else { 1.0 })
diff --git a/components/layout/layout_task.rs b/components/layout/layout_task.rs
index e2eea711de7..cd2328df866 100644
--- a/components/layout/layout_task.rs
+++ b/components/layout/layout_task.rs
@@ -677,10 +677,8 @@ impl LayoutTask {
.to_gfx_color()
};
- let black = color::black();
- // TODO: Use equality operators when we sync with rust-azure.
- if element_bg_color.r != black.r || element_bg_color.g != black.g ||
- element_bg_color.b != black.b || element_bg_color.a != black.a {
+ let black = color::transparent_black();
+ if element_bg_color != black {
color = element_bg_color;
break;