#include <SkSVGFeLighting.h>

Inheritance diagram for SkSVGFeLighting:

Classes
struct	KernelUnitLength

Protected Member Functions
	SkSVGFeLighting (SkSVGTag t)

std::vector< SkSVGFeInputType >	getInputs () const final

bool	parseAndSetAttribute (const char , const char ) override

sk_sp< SkImageFilter >	onMakeImageFilter (const SkSVGRenderContext &, const SkSVGFilterContext &) const final

virtual sk_sp< SkImageFilter >	makeDistantLight (const SkSVGRenderContext &, const SkSVGFilterContext &, const SkSVGFeDistantLight *) const =0

virtual sk_sp< SkImageFilter >	makePointLight (const SkSVGRenderContext &, const SkSVGFilterContext &, const SkSVGFePointLight *) const =0

virtual sk_sp< SkImageFilter >	makeSpotLight (const SkSVGRenderContext &, const SkSVGFilterContext &, const SkSVGFeSpotLight *) const =0

SkColor	resolveLightingColor (const SkSVGRenderContext &) const

SkPoint3	resolveXYZ (const SkSVGRenderContext &, const SkSVGFilterContext &, SkSVGNumberType, SkSVGNumberType, SkSVGNumberType) const

Protected Member Functions inherited from SkSVGFe
	SkSVGFe (SkSVGTag t)

Protected Member Functions inherited from SkSVGHiddenContainer
	SkSVGHiddenContainer (SkSVGTag t)

void	onRender (const SkSVGRenderContext &) const final

Protected Member Functions inherited from SkSVGContainer
	SkSVGContainer (SkSVGTag)

SkPath	onAsPath (const SkSVGRenderContext &) const override

SkRect	onObjectBoundingBox (const SkSVGRenderContext &) const override

bool	hasChildren () const final

Protected Member Functions inherited from SkSVGTransformableNode
	SkSVGTransformableNode (SkSVGTag)

bool	onPrepareToRender (SkSVGRenderContext *) const override

void	onSetAttribute (SkSVGAttribute, const SkSVGValue &) override

void	mapToParent (SkPath *) const

void	mapToParent (SkRect *) const

Protected Member Functions inherited from SkSVGNode
	SkSVGNode (SkSVGTag)

virtual bool	onAsPaint (const SkSVGRenderContext &, SkPaint *) const

Additional Inherited Members
Public Member Functions inherited from SkSVGFe
sk_sp< SkImageFilter >	makeImageFilter (const SkSVGRenderContext &ctx, const SkSVGFilterContext &fctx) const

SkRect	resolveFilterSubregion (const SkSVGRenderContext &, const SkSVGFilterContext &) const

virtual SkSVGColorspace	resolveColorspace (const SkSVGRenderContext &, const SkSVGFilterContext &) const

void	applyProperties (SkSVGRenderContext *) const

Public Member Functions inherited from SkSVGContainer
void	appendChild (sk_sp< SkSVGNode >) override

Public Member Functions inherited from SkSVGTransformableNode
void	setTransform (const SkSVGTransformType &t)

Public Member Functions inherited from SkSVGNode
	~SkSVGNode () override

SkSVGTag	tag () const

void	render (const SkSVGRenderContext &) const

bool	asPaint (const SkSVGRenderContext &, SkPaint *) const

SkPath	asPath (const SkSVGRenderContext &) const

SkRect	objectBoundingBox (const SkSVGRenderContext &) const

void	setAttribute (SkSVGAttribute, const SkSVGValue &)

bool	setAttribute (const char attributeName, const char attributeValue)

Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()

virtual	~SkRefCntBase ()

bool	unique () const

void	ref () const

void	unref () const

Static Public Member Functions inherited from SkSVGFe
static bool	IsFilterEffect (const sk_sp< SkSVGNode > &node)

Static Protected Member Functions inherited from SkSVGNode
static SkMatrix	ComputeViewboxMatrix (const SkRect &, const SkRect &, SkSVGPreserveAspectRatio)

Protected Attributes inherited from SkSVGContainer
skia_private::STArray< 1, sk_sp< SkSVGNode >, true >	fChildren

Detailed Description

Definition at line 18 of file SkSVGFeLighting.h.

Constructor & Destructor Documentation

◆ SkSVGFeLighting()

SkSVGFeLighting::SkSVGFeLighting ( SkSVGTag t )

inlineexplicitprotected

Definition at line 29 of file SkSVGFeLighting.h.

29: INHERITED(t) {}

Member Function Documentation

◆ getInputs()

std::vector< SkSVGFeInputType > SkSVGFeLighting::getInputs ( ) const

inlinefinalprotectedvirtual

Implements SkSVGFe.

Definition at line 31 of file SkSVGFeLighting.h.

31{ return {this->getIn()}; }

◆ makeDistantLight()

virtual sk_sp< SkImageFilter > SkSVGFeLighting::makeDistantLight	(	const SkSVGRenderContext &	,
		const SkSVGFilterContext &	,
		const SkSVGFeDistantLight *
	)		const

protectedpure virtual

Implemented in SkSVGFeSpecularLighting, and SkSVGFeDiffuseLighting.

◆ makePointLight()

virtual sk_sp< SkImageFilter > SkSVGFeLighting::makePointLight	(	const SkSVGRenderContext &	,
		const SkSVGFilterContext &	,
		const SkSVGFePointLight *
	)		const

protectedpure virtual

Implemented in SkSVGFeSpecularLighting, and SkSVGFeDiffuseLighting.

◆ makeSpotLight()

virtual sk_sp< SkImageFilter > SkSVGFeLighting::makeSpotLight	(	const SkSVGRenderContext &	,
		const SkSVGFilterContext &	,
		const SkSVGFeSpotLight *
	)		const

protectedpure virtual

Implemented in SkSVGFeSpecularLighting, and SkSVGFeDiffuseLighting.

◆ onMakeImageFilter()

sk_sp< SkImageFilter > SkSVGFeLighting::onMakeImageFilter	(	const SkSVGRenderContext &	ctx,
		const SkSVGFilterContext &	fctx
	)		const

finalprotectedvirtual

Implements SkSVGFe.

Definition at line 38 of file SkSVGFeLighting.cpp.

                                                                                              {
    for (const auto& child : fChildren) {
        switch (child->tag()) {
            case SkSVGTag::kFeDistantLight:
                return this->makeDistantLight(
                        ctx, fctx, static_cast<const SkSVGFeDistantLight*>(child.get()));
            case SkSVGTag::kFePointLight:
                return this->makePointLight(
                        ctx, fctx, static_cast<const SkSVGFePointLight*>(child.get()));
            case SkSVGTag::kFeSpotLight:
                return this->makeSpotLight(
                        ctx, fctx, static_cast<const SkSVGFeSpotLight*>(child.get()));
            default:
                // Ignore unknown children, such as <desc> elements
                break;
        }
    }
 
    SkDebugf("lighting filter effect needs exactly one light source\n");
    return nullptr;
}

◆ parseAndSetAttribute()

bool SkSVGFeLighting::parseAndSetAttribute	(	const char *	n,
		const char *	v
	)

overrideprotectedvirtual

Reimplemented from SkSVGFe.

Reimplemented in SkSVGFeSpecularLighting.

Definition at line 17 of file SkSVGFeLighting.cpp.

                                                                       {
    return INHERITED::parseAndSetAttribute(n, v) ||
           this->setSurfaceScale(
                   SkSVGAttributeParser::parse<SkSVGNumberType>("surfaceScale", n, v)) ||
           this->setKernelUnitLength(SkSVGAttributeParser::parse<SkSVGFeLighting::KernelUnitLength>(
                   "kernelUnitLength", n, v));
}

◆ resolveLightingColor()

SkColor SkSVGFeLighting::resolveLightingColor ( const SkSVGRenderContext & ctx ) const

protected

Definition at line 61 of file SkSVGFeLighting.cpp.

                                                                                 {
    const auto color = this->getLightingColor();
    if (!color.isValue()) {
        // Uninherited presentation attributes should have a concrete value by now.
        SkDebugf("unhandled: lighting-color has no value\n");
        return SK_ColorWHITE;
    }
 
    return ctx.resolveSvgColor(*color);
}

◆ resolveXYZ()

SkPoint3 SkSVGFeLighting::resolveXYZ	(	const SkSVGRenderContext &	ctx,
		const SkSVGFilterContext &	fctx,
		SkSVGNumberType	x,
		SkSVGNumberType	y,
		SkSVGNumberType	z
	)		const

protected

Definition at line 72 of file SkSVGFeLighting.cpp.

                                                              {
    const auto obbt = ctx.transformForCurrentOBB(fctx.primitiveUnits());
    const auto xy = SkV2{x,y} * obbt.scale + obbt.offset;
    z = SkSVGLengthContext({obbt.scale.x, obbt.scale.y})
            .resolve(SkSVGLength(z * 100.f, SkSVGLength::Unit::kPercentage),
                     SkSVGLengthContext::LengthType::kOther);
    return SkPoint3::Make(xy.x, xy.y, z);
}

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

third_party/skia/modules/svg/include/SkSVGFeLighting.h
third_party/skia/modules/svg/src/SkSVGFeLighting.cpp

Classes

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ SkSVGFeLighting()

Member Function Documentation

◆ getInputs()

◆ makeDistantLight()

◆ makePointLight()

◆ makeSpotLight()

◆ onMakeImageFilter()

◆ parseAndSetAttribute()

◆ resolveLightingColor()

◆ resolveXYZ()