ImageFilterMatrixWLocalMatrix Class Reference

Inheritance diagram for ImageFilterMatrixWLocalMatrix:

Public Member Functions
	ImageFilterMatrixWLocalMatrix ()
Public Member Functions inherited from skiagm::GM
	GM (SkColor backgroundColor=SK_ColorWHITE)
virtual	~GM ()
void	setMode (Mode mode)
Mode	getMode () const
DrawResult	gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
void	gpuTeardown ()
void	onceBeforeDraw ()
DrawResult	draw (SkCanvas *canvas)
DrawResult	draw (SkCanvas *, SkString *errorMsg)
void	drawBackground (SkCanvas *)
DrawResult	drawContent (SkCanvas *canvas)
DrawResult	drawContent (SkCanvas *, SkString *errorMsg)
virtual SkISize	getISize ()=0
virtual SkString	getName () const =0
virtual bool	runAsBench () const
SkScalar	width ()
SkScalar	height ()
SkColor	getBGColor () const
void	setBGColor (SkColor)
void	drawSizeBounds (SkCanvas *, SkColor)
bool	animate (double)
virtual bool	onChar (SkUnichar)
bool	getControls (SkMetaData *controls)
void	setControls (const SkMetaData &controls)
virtual void	modifyGrContextOptions (GrContextOptions *)
virtual void	modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
virtual bool	isBazelOnly () const
virtual std::map< std::string, std::string >	getGoldKeys () const

Protected Member Functions
SkString	getName () const override
SkISize	getISize () override
bool	onAnimate (double nanos) override
void	onOnceBeforeDraw () override
void	onDraw (SkCanvas *canvas) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual void	onOnceBeforeDraw ()
virtual DrawResult	onDraw (SkCanvas *, SkString *errorMsg)
virtual void	onDraw (SkCanvas *)
virtual bool	onAnimate (double)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
GraphiteTestContext *	graphiteTestContext () const

Additional Inherited Members
Public Types inherited from skiagm::GM
enum	Mode { kGM_Mode , kSample_Mode , kBench_Mode }
using	DrawResult = skiagm::DrawResult
using	GraphiteTestContext = skiatest::graphite::GraphiteTestContext
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 171 of file imagefilterstransformed.cpp.

Constructor & Destructor Documentation

ImageFilterMatrixWLocalMatrix()

ImageFilterMatrixWLocalMatrix::ImageFilterMatrixWLocalMatrix ( )

inline

Definition at line 176 of file imagefilterstransformed.cpp.

: fDegrees(132.f) {}

Member Function Documentation

getISize()

SkISize ImageFilterMatrixWLocalMatrix::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 181 of file imagefilterstransformed.cpp.

{ return SkISize::Make(512, 512); }

getName()

SkString ImageFilterMatrixWLocalMatrix::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 179 of file imagefilterstransformed.cpp.

{ return SkString("imagefilter_matrix_localmatrix"); }

onAnimate()

bool ImageFilterMatrixWLocalMatrix::onAnimate ( double  nanos )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 183 of file imagefilterstransformed.cpp.

                                          {
        // Animate the rotation angle to ensure the local matrix bounds modifications work
        // for a variety of transformations.
        fDegrees = TimeUtils::Scaled(1e-9f * nanos, 360.f);
        return true;
    }

onDraw()

void ImageFilterMatrixWLocalMatrix::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 194 of file imagefilterstransformed.cpp.

                                           {
        SkMatrix localMatrix;
        localMatrix.preTranslate(128, 128);
        localMatrix.preScale(2.0f, 2.0f);
 
        // This matrix applies a rotate around the center of the image (prior to the simulated
        // hi-dpi 2x device scale).
        SkMatrix filterMatrix;
        filterMatrix.setRotate(fDegrees, 64, 64);
 
        sk_sp<SkImageFilter> filter =
                SkImageFilters::MatrixTransform(filterMatrix,
                                                SkSamplingOptions(SkFilterMode::kLinear), nullptr)
                             ->makeWithLocalMatrix(localMatrix);
 
        SkPaint p;
        p.setImageFilter(filter);
        canvas->drawImage(fImage.get(), 128, 128, SkSamplingOptions(), &p);
    }

onOnceBeforeDraw()

void ImageFilterMatrixWLocalMatrix::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 190 of file imagefilterstransformed.cpp.

                                     {
        fImage = ToolUtils::GetResourceAsImage("images/mandrill_256.png");
    }

---

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

• third_party/skia/gm/imagefilterstransformed.cpp