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layout: Implement text-shadow per CSS-TEXT-DECORATION-3 § 4.

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This commit is contained in:
Patrick Walton 2014-12-18 12:57:58 -08:00
parent fed878710c
commit 09358b908d
19 changed files with 683 additions and 152 deletions
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6
components/layout/fragment.rs
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@ -25,7 +25,7 @@ use wrapper::{TLayoutNode, ThreadSafeLayoutNode};
use geom::num::Zero;
use geom::{Point2D, Rect, Size2D};
use gfx::display_list::{BOX_SHADOW_INFLATION_FACTOR, OpaqueNode};
use gfx::display_list::{BLUR_INFLATION_FACTOR, OpaqueNode};
use gfx::text::glyph::CharIndex;
use gfx::text::text_run::{TextRun, TextRunSlice};
use script_traits::UntrustedNodeAddress;
@ -2043,8 +2043,8 @@ impl Fragment {
// Box shadows cause us to draw outside our border box.
for box_shadow in self.style().get_effects().box_shadow.iter() {
let offset = Point2D(box_shadow.offset_x, box_shadow.offset_y);
let inflation = box_shadow.spread_radius +
box_shadow.blur_radius * BOX_SHADOW_INFLATION_FACTOR;
let inflation = box_shadow.spread_radius + box_shadow.blur_radius *
BLUR_INFLATION_FACTOR;
overflow = overflow.union(&border_box.translate(&offset).inflate(inflation, inflation))
}