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Improved parameters for Skia shadows (flutter/engine#3635)

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This commit is contained in:
Jason Simmons 2017-04-27 10:13:28 -07:00 committed by GitHub
parent b826a09c2f
commit 2f0485a91e
1 changed files with 7 additions and 4 deletions
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11
engine/src/flutter/flow/layers/physical_model_layer.cc
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@ -25,7 +25,7 @@ void PhysicalModelLayer::Preroll(PrerollContext* context, const SkMatrix& matrix
// The margin is hardcoded to an arbitrary maximum for now because Skia
// doesn't provide a way to calculate it.
SkRect bounds(rrect_.getBounds());
bounds.outset(50.0, 50.0);
bounds.outset(20.0, 20.0);
set_paint_bounds(bounds);
context->child_paint_bounds = bounds;
@ -77,11 +77,14 @@ void PhysicalModelLayer::DrawShadow(SkCanvas* canvas, const SkPath& path,
SkShadowFlags flags = transparentOccluder ?
SkShadowFlags::kTransparentOccluder_ShadowFlag :
SkShadowFlags::kNone_ShadowFlag;
const SkRect& bounds = path.getBounds();
SkScalar shadow_x = (bounds.left() + bounds.right()) / 2;
SkScalar shadow_y = bounds.top() - 600.0f;
SkShadowUtils::DrawShadow(canvas, path,
elevation * 2,
SkPoint3::Make(0.0f, 0.0f, 600.0f),
elevation,
SkPoint3::Make(shadow_x, shadow_y, 600.0f),
800.0f,
0.2f, 0.2f,
0.039f, 0.25f,
color,
flags);
}