PictureShaderTileGM Class Reference

Inheritance diagram for PictureShaderTileGM:

Protected Member Functions
SkString	getName () const override
SkISize	getISize () 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 DrawResult	onDraw (SkCanvas *, SkString *errorMsg)
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
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 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
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 94 of file pictureshadertile.cpp.

Member Function Documentation

getISize()

SkISize PictureShaderTileGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 98 of file pictureshadertile.cpp.

{ return SkISize::Make(800, 600); }

getName()

SkString PictureShaderTileGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 96 of file pictureshadertile.cpp.

{ return SkString("pictureshadertile"); }

onDraw()

void PictureShaderTileGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 138 of file pictureshadertile.cpp.

                                           {
        canvas->clear(SK_ColorBLACK);
 
        SkPaint paint;
        paint.setStyle(SkPaint::kFill_Style);
 
        for (unsigned i = 0; i < std::size(fShaders); ++i) {
            paint.setShader(fShaders[i]);
 
            canvas->save();
            canvas->translate((i % kRowSize) * kFillSize * 1.1f,
                              (i / kRowSize) * kFillSize * 1.1f);
            canvas->drawRect(SkRect::MakeWH(kFillSize, kFillSize), paint);
            canvas->restore();
        }
    }

onOnceBeforeDraw()

void PictureShaderTileGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 100 of file pictureshadertile.cpp.

                                     {
        SkPictureRecorder recorder;
        SkCanvas* pictureCanvas = recorder.beginRecording(kPictureSize, kPictureSize);
        draw_scene(pictureCanvas, kPictureSize);
        sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
 
        SkPoint offset = SkPoint::Make(100, 100);
        pictureCanvas = recorder.beginRecording(SkRect::MakeXYWH(offset.x(), offset.y(),
                                                                 kPictureSize, kPictureSize));
        pictureCanvas->translate(offset.x(), offset.y());
        draw_scene(pictureCanvas, kPictureSize);
        sk_sp<SkPicture> offsetPicture(recorder.finishRecordingAsPicture());
 
        for (unsigned i = 0; i < std::size(tiles); ++i) {
            SkRect tile = SkRect::MakeXYWH(tiles[i].x * kPictureSize,
                                           tiles[i].y * kPictureSize,
                                           tiles[i].w * kPictureSize,
                                           tiles[i].h * kPictureSize);
            SkMatrix localMatrix;
            localMatrix.setTranslate(tiles[i].offsetX * kPictureSize,
                                     tiles[i].offsetY * kPictureSize);
            localMatrix.postScale(kFillSize / (2 * kPictureSize),
                                  kFillSize / (2 * kPictureSize));
 
            sk_sp<SkPicture> pictureRef = picture;
            SkRect* tilePtr = &tile;
 
            if (tile == SkRect::MakeWH(kPictureSize, kPictureSize)) {
                // When the tile == picture bounds, exercise the picture + offset path.
                pictureRef = offsetPicture;
                tilePtr = nullptr;
            }
 
            fShaders[i] = pictureRef->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat,
                                                 SkFilterMode::kNearest, &localMatrix, tilePtr);
        }
    }

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

• third_party/skia/gm/pictureshadertile.cpp