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feather v1

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Diffs=
7ed60faf76 Vector feathering v1! (#8799)

Co-authored-by: Chris Dalton <99840794+csmartdalton@users.noreply.github.com>
This commit is contained in:
csmartdalton
2025-01-18 00:41:35 +00:00
parent f818920d3e
commit 5192aa33d5
75 changed files with 3825 additions and 1102 deletions
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56
skia/renderer/src/skia_factory.cpp
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@@ -14,6 +14,7 @@
#include "include/core/SkPath.h"
#include "include/core/SkVertices.h"
#include "include/effects/SkGradientShader.h"
#include "include/effects/SkImageFilters.h"
#include "rive/math/vec2d.hpp"
#include "rive/shapes/paint/color.hpp"
@@ -50,6 +51,7 @@ class SkiaRenderPaint : public LITE_RTTI_OVERRIDE(RenderPaint, SkiaRenderPaint)
{
private:
SkPaint m_Paint;
bool m_hasFeather = false;
public:
SkiaRenderPaint();
@@ -61,9 +63,41 @@ public:
void thickness(float value) override;
void join(StrokeJoin value) override;
void cap(StrokeCap value) override;
void feather(float value) override;
void blendMode(BlendMode value) override;
void shader(rcp<RenderShader>) override;
void invalidateStroke() override {}
class OverrideStrokeParamsForFeather
{
public:
OverrideStrokeParamsForFeather(SkiaRenderPaint* paint) :
m_skPaint(&paint->m_Paint), m_hasFeather(paint->m_hasFeather)
{
if (m_hasFeather)
{
m_overriddenCap = m_skPaint->getStrokeCap();
m_overriddenJoin = m_skPaint->getStrokeJoin();
m_skPaint->setStrokeCap(SkPaint::kRound_Cap);
m_skPaint->setStrokeJoin(SkPaint::kRound_Join);
}
}
~OverrideStrokeParamsForFeather()
{
if (m_hasFeather)
{
m_skPaint->setStrokeCap(m_overriddenCap);
m_skPaint->setStrokeJoin(m_overriddenJoin);
}
}
private:
SkPaint* const m_skPaint;
const bool m_hasFeather;
SkPaint::Cap m_overriddenCap;
SkPaint::Join m_overriddenJoin;
};
};
class SkiaRenderImage : public LITE_RTTI_OVERRIDE(RenderImage, SkiaRenderImage)
@@ -136,6 +170,20 @@ void SkiaRenderPaint::cap(StrokeCap value)
m_Paint.setStrokeCap(ToSkia::convert(value));
}
void SkiaRenderPaint::feather(float value)
{
m_hasFeather = value != 0;
if (m_hasFeather)
{
m_Paint.setImageFilter(
SkImageFilters::Blur(value * .5f, value * .5f, nullptr));
}
else
{
m_Paint.setImageFilter(nullptr);
}
}
void SkiaRenderPaint::blendMode(BlendMode value)
{
m_Paint.setBlendMode(ToSkia::convert(value));
@@ -155,9 +203,11 @@ void SkiaRenderer::transform(const Mat2D& transform)
}
void SkiaRenderer::drawPath(RenderPath* path, RenderPaint* paint)
{
LITE_RTTI_CAST_OR_RETURN(skPath, SkiaRenderPath*, path);
LITE_RTTI_CAST_OR_RETURN(skPaint, SkiaRenderPaint*, paint);
m_Canvas->drawPath(skPath->path(), skPaint->paint());
LITE_RTTI_CAST_OR_RETURN(skiaRenderPath, SkiaRenderPath*, path);
LITE_RTTI_CAST_OR_RETURN(skiaRenderPaint, SkiaRenderPaint*, paint);
SkiaRenderPaint::OverrideStrokeParamsForFeather ospff(skiaRenderPaint);
m_Canvas->drawPath(skiaRenderPath->path(), skiaRenderPaint->paint());
}
void SkiaRenderer::clipPath(RenderPath* path)