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LibWeb: Add basic conic gradient support in Skia painter

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For now it doesn't account for start angle and repeat length but it's
better than not painting conic gradients at all.
This commit is contained in:
Aliaksandr Kalenik 2024-07-11 15:51:41 +03:00 • committed by Andreas Kling
commit 2c8267babf
Notes: sideshowbarker 2024-07-17 03:35:16 +09:00
1 changed files with 22 additions and 0 deletions
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22
Userland/Libraries/LibWeb/Painting/DisplayListPlayerSkia.cpp
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@ -1098,6 +1098,28 @@ CommandResult DisplayListPlayerSkia::paint_radial_gradient(PaintRadialGradient c
CommandResult DisplayListPlayerSkia::paint_conic_gradient(PaintConicGradient const& command) CommandResult DisplayListPlayerSkia::paint_conic_gradient(PaintConicGradient const& command)
{ {
APPLY_PATH_CLIP_IF_NEEDED APPLY_PATH_CLIP_IF_NEEDED
auto const& conic_gradient_data = command.conic_gradient_data;
auto const& color_stop_list = conic_gradient_data.color_stops.list;
VERIFY(!color_stop_list.is_empty());
Vector<SkColor> colors;
Vector<SkScalar> positions;
for (auto const& stop : color_stop_list) {
colors.append(to_skia_color(stop.color));
positions.append(stop.position);
}
auto const& rect = command.rect;
auto center = command.position.translated(rect.location());
// FIXME: Account for repeat length and start angle
auto shader = SkGradientShader::MakeSweep(center.x(), center.y(), colors.data(), positions.data(), positions.size());
SkPaint paint;
paint.setShader(shader);
surface().canvas().drawRect(to_skia_rect(rect), paint);
return CommandResult::Continue; return CommandResult::Continue;
} }