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Code Issues Projects Releases Packages Wiki Activity Actions 9

LibWeb+LibGfx: Implement shadowBlur for Canvas2D

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This commit is contained in:
Lucien Fiorini 2024-12-03 21:22:44 +01:00 • committed by Alexander Kalenik
commit e8cc0dc998
Notes: github-actions[bot] 2024-12-05 16:08:13 +00:00
8 changed files with 73 additions and 19 deletions
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60
Libraries/LibGfx/PainterSkia.cpp
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@ -15,6 +15,7 @@
#include <AK/TypeCasts.h>
#include <core/SkCanvas.h>
#include <core/SkPath.h>
#include <effects/SkBlurMaskFilter.h>
#include <effects/SkGradientShader.h>
namespace Gfx {
@ -120,21 +121,6 @@ void PainterSkia::set_transform(Gfx::AffineTransform const& transform)
impl().canvas()->setMatrix(matrix);
}
void PainterSkia::stroke_path(Gfx::Path const& path, Gfx::Color color, float thickness)
{
// Skia treats zero thickness as a special case and will draw a hairline, while we want to draw nothing.
if (!thickness)
return;
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(thickness);
paint.setColor(to_skia_color(color));
auto sk_path = to_skia_path(path);
impl().canvas()->drawPath(sk_path, paint);
}
static SkPoint to_skia_point(auto const& point)
{
return SkPoint::Make(point.x(), point.y());
@ -198,10 +184,41 @@ static SkPaint to_skia_paint(Gfx::PaintStyle const& style, Gfx::FloatRect const&
return {};
}
void PainterSkia::stroke_path(Gfx::Path const& path, Gfx::Color color, float thickness)
{
// Skia treats zero thickness as a special case and will draw a hairline, while we want to draw nothing.
if (thickness <= 0)
return;
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(thickness);
paint.setColor(to_skia_color(color));
auto sk_path = to_skia_path(path);
impl().canvas()->drawPath(sk_path, paint);
}
void PainterSkia::stroke_path(Gfx::Path const& path, Gfx::Color color, float thickness, float blur_radius)
{
// Skia treats zero thickness as a special case and will draw a hairline, while we want to draw nothing.
if (thickness <= 0)
return;
SkPaint paint;
paint.setAntiAlias(true);
paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, blur_radius / 2));
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(thickness);
paint.setColor(to_skia_color(color));
auto sk_path = to_skia_path(path);
impl().canvas()->drawPath(sk_path, paint);
}
void PainterSkia::stroke_path(Gfx::Path const& path, Gfx::PaintStyle const& paint_style, float thickness, float global_alpha)
{
// Skia treats zero thickness as a special case and will draw a hairline, while we want to draw nothing.
if (!thickness)
if (thickness <= 0)
return;
auto sk_path = to_skia_path(path);
@ -223,6 +240,17 @@ void PainterSkia::fill_path(Gfx::Path const& path, Gfx::Color color, Gfx::Windin
impl().canvas()->drawPath(sk_path, paint);
}
void PainterSkia::fill_path(Gfx::Path const& path, Gfx::Color color, Gfx::WindingRule winding_rule, float blur_radius)
{
SkPaint paint;
paint.setAntiAlias(true);
paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, blur_radius / 2));
paint.setColor(to_skia_color(color));
auto sk_path = to_skia_path(path);
sk_path.setFillType(to_skia_path_fill_type(winding_rule));
impl().canvas()->drawPath(sk_path, paint);
}
void PainterSkia::fill_path(Gfx::Path const& path, Gfx::PaintStyle const& paint_style, float global_alpha, Gfx::WindingRule winding_rule)
{
auto sk_path = to_skia_path(path);