sksg::RenderNode::RenderContext Struct Reference

#include <SkSGRenderNode.h>

Public Member Functions
bool	requiresIsolation () const
void	modulatePaint (const SkMatrix &ctm, SkPaint *, bool is_layer_paint=false) const

Public Attributes
sk_sp< SkColorFilter >	fColorFilter
sk_sp< SkShader >	fShader
sk_sp< SkShader >	fMaskShader
sk_sp< SkBlender >	fBlender
SkMatrix	fShaderCTM = SkMatrix::I()
SkMatrix	fMaskCTM = SkMatrix::I()
float	fOpacity = 1

Detailed Description

Definition at line 60 of file SkSGRenderNode.h.

Member Function Documentation

modulatePaint()

void sksg::RenderNode::RenderContext::modulatePaint	(	const SkMatrix &	ctm,
		SkPaint *	paint,
		bool	is_layer_paint = false
	)		const

Definition at line 101 of file SkSGRenderNode.cpp.

                                                                         {
    paint->setAlpha(ScaleAlpha(paint->getAlpha(), fOpacity));
    paint->setColorFilter(SkColorFilters::Compose(fColorFilter, paint->refColorFilter()));
    if (fShader) {
        paint->setShader(LocalShader(fShader, fShaderCTM, ctm));
    }
    if (fBlender) {
        paint->setBlender(fBlender);
    }
 
    // Only apply the shader mask for regular paints.  Isolation layers require
    // special handling on restore.
    if (!is_layer_paint && fMaskShader) {
        paint->setShader(SkShaders::Blend(SkBlendMode::kSrcIn,
                                          LocalShader(fMaskShader, fMaskCTM, ctm),
                                          paint->refShader()));
    }
}

requiresIsolation()

bool sksg::RenderNode::RenderContext::requiresIsolation

(

)

const

Definition at line 93 of file SkSGRenderNode.cpp.

                                                      {
    // Note: fShader is never applied on isolation layers.
    return ScaleAlpha(SK_AlphaOPAQUE, fOpacity) != SK_AlphaOPAQUE
        || fColorFilter
        || fMaskShader
        || fBlender;
}

Member Data Documentation

fBlender

sk_sp<SkBlender> sksg::RenderNode::RenderContext::fBlender

Definition at line 64 of file SkSGRenderNode.h.

fColorFilter

sk_sp<SkColorFilter> sksg::RenderNode::RenderContext::fColorFilter

Definition at line 61 of file SkSGRenderNode.h.

fMaskCTM

SkMatrix sksg::RenderNode::RenderContext::fMaskCTM = SkMatrix::I()

Definition at line 66 of file SkSGRenderNode.h.

fMaskShader

sk_sp<SkShader> sksg::RenderNode::RenderContext::fMaskShader

Definition at line 63 of file SkSGRenderNode.h.

fOpacity

float sksg::RenderNode::RenderContext::fOpacity = 1

Definition at line 67 of file SkSGRenderNode.h.

fShader

sk_sp<SkShader> sksg::RenderNode::RenderContext::fShader

Definition at line 62 of file SkSGRenderNode.h.

fShaderCTM

SkMatrix sksg::RenderNode::RenderContext::fShaderCTM = SkMatrix::I()

Definition at line 65 of file SkSGRenderNode.h.

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The documentation for this struct was generated from the following files:

• third_party/skia/modules/sksg/include/SkSGRenderNode.h
• third_party/skia/modules/sksg/src/SkSGRenderNode.cpp