ImageShaderGM Class Reference

Inheritance diagram for ImageShaderGM:

Public Member Functions
	ImageShaderGM ()
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
void	onOnceBeforeDraw () override
void	testImage (SkCanvas *canvas, SkImage *image)
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 109 of file image_shader.cpp.

Constructor & Destructor Documentation

ImageShaderGM()

ImageShaderGM::ImageShaderGM ( )

inline

Definition at line 113 of file image_shader.cpp.

{}

Member Function Documentation

getISize()

SkISize ImageShaderGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 118 of file image_shader.cpp.

{ return SkISize::Make(850, 450); }

getName()

SkString ImageShaderGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 116 of file image_shader.cpp.

{ return SkString("image-shader"); }

onDraw()

void ImageShaderGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 141 of file image_shader.cpp.

                                           {
        canvas->translate(20, 20);
 
        const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
 
        for (size_t i = 0; i < std::size(gProcs); ++i) {
            sk_sp<SkImage> image(gProcs[i](canvas->recordingContext(), fPicture.get(), info));
            if (image) {
                this->testImage(canvas, image.get());
            }
            canvas->translate(120, 0);
        }
    }

onOnceBeforeDraw()

void ImageShaderGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 120 of file image_shader.cpp.

                                     {
        const SkRect bounds = SkRect::MakeWH(100, 100);
        SkPictureRecorder recorder;
        draw_something(recorder.beginRecording(bounds), bounds);
        fPicture = recorder.finishRecordingAsPicture();
    }

testImage()

void ImageShaderGM::testImage ( SkCanvas *  canvas, SkImage *  image  )

inlineprotected

Definition at line 127 of file image_shader.cpp.

                                                     {
        SkAutoCanvasRestore acr(canvas, true);
 
        canvas->drawImage(image, 0, 0);
        canvas->translate(0, 120);
 
        const SkTileMode tile = SkTileMode::kRepeat;
        const SkMatrix localM = SkMatrix::Translate(-50, -50);
        SkPaint paint;
        paint.setShader(image->makeShader(tile, tile, SkSamplingOptions(), &localM));
        paint.setAntiAlias(true);
        canvas->drawCircle(50, 50, 50, paint);
    }

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

• third_party/skia/gm/image_shader.cpp