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LibWeb+LibGfx: Allow filling with a paint style and opacity

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MacDue 2023-06-11 13:40:42 +01:00 • committed by Andreas Kling
parent 8bd68198d6
commit eb4a58528e
8 changed files with 32 additions and 12 deletions
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21
Userland/Libraries/LibGfx/EdgeFlagPathRasterizer.cpp
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@ -81,10 +81,19 @@ void EdgeFlagPathRasterizer<SamplesPerPixel>::fill(Painter& painter, Path const&
}
template<unsigned SamplesPerPixel>
void EdgeFlagPathRasterizer<SamplesPerPixel>::fill(Painter& painter, Path const& path, PaintStyle const& style, Painter::WindingRule winding_rule, FloatPoint offset)
void EdgeFlagPathRasterizer<SamplesPerPixel>::fill(Painter& painter, Path const& path, PaintStyle const& style, float opacity, Painter::WindingRule winding_rule, FloatPoint offset)
{
style.paint(enclosing_int_rect(path.bounding_box()), [&](PaintStyle::SamplerFunction sampler) {
fill_internal(painter, path, move(sampler), winding_rule, offset);
if (opacity == 0.0f)
return;
if (opacity != 1.0f) {
return fill_internal(
painter, path, [=, sampler = move(sampler)](IntPoint point) {
return sampler(point).with_opacity(opacity);
},
winding_rule, offset);
}
return fill_internal(painter, path, move(sampler), winding_rule, offset);
});
}
@ -321,10 +330,10 @@ void Painter::fill_path(Path const& path, Color color, WindingRule winding_rule)
rasterizer.fill(*this, path, color, winding_rule);
}
void Painter::fill_path(Path const& path, PaintStyle const& paint_style, Painter::WindingRule winding_rule)
void Painter::fill_path(Path const& path, PaintStyle const& paint_style, float opacity, Painter::WindingRule winding_rule)
{
EdgeFlagPathRasterizer<8> rasterizer(path_bounds(path));
rasterizer.fill(*this, path, paint_style, winding_rule);
rasterizer.fill(*this, path, paint_style, opacity, winding_rule);
}
void AntiAliasingPainter::fill_path(Path const& path, Color color, Painter::WindingRule winding_rule)
@ -333,10 +342,10 @@ void AntiAliasingPainter::fill_path(Path const& path, Color color, Painter::Wind
rasterizer.fill(m_underlying_painter, path, color, winding_rule, m_transform.translation());
}
void AntiAliasingPainter::fill_path(Path const& path, PaintStyle const& paint_style, Painter::WindingRule winding_rule)
void AntiAliasingPainter::fill_path(Path const& path, PaintStyle const& paint_style, float opacity, Painter::WindingRule winding_rule)
{
EdgeFlagPathRasterizer<32> rasterizer(path_bounds(path));
rasterizer.fill(m_underlying_painter, path, paint_style, winding_rule, m_transform.translation());
rasterizer.fill(m_underlying_painter, path, paint_style, opacity, winding_rule, m_transform.translation());
}
template class EdgeFlagPathRasterizer<8>;