DrawMiniBitmapRectGM Class Reference

Inheritance diagram for DrawMiniBitmapRectGM:

Public Member Functions
	DrawMiniBitmapRectGM (bool antiAlias)
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

Protected Member Functions
SkString	getName () const override
SkISize	getISize () 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 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 79 of file drawminibitmaprect.cpp.

Constructor & Destructor Documentation

DrawMiniBitmapRectGM()

DrawMiniBitmapRectGM::DrawMiniBitmapRectGM ( bool  antiAlias )

inline

Definition at line 81 of file drawminibitmaprect.cpp.

                                         : fAA(antiAlias) {
        fName.set("drawminibitmaprect");
        if (fAA) {
            fName.appendf("_aa");
        }
    }

Member Function Documentation

getISize()

SkISize DrawMiniBitmapRectGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 91 of file drawminibitmaprect.cpp.

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

getName()

SkString DrawMiniBitmapRectGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 89 of file drawminibitmaprect.cpp.

{ return fName; }

onDraw()

void DrawMiniBitmapRectGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 93 of file drawminibitmaprect.cpp.

                                           {
        if (nullptr == fImage) {
            fImage = ToolUtils::MakeTextureImage(canvas, makebm(gSurfaceSize, gSurfaceSize));
        }
 
        const SkRect dstRect = { 0, 0, SkIntToScalar(64), SkIntToScalar(64)};
        const int kMaxSrcRectSize = 1 << (SkNextLog2(gSurfaceSize) + 2);
 
        constexpr int kPadX = 30;
        constexpr int kPadY = 40;
 
        int rowCount = 0;
        canvas->translate(SkIntToScalar(kPadX), SkIntToScalar(kPadY));
        canvas->save();
        SkRandom random;
 
        SkPaint paint;
        paint.setAntiAlias(fAA);
        for (int w = 1; w <= kMaxSrcRectSize; w *= 3) {
            for (int h = 1; h <= kMaxSrcRectSize; h *= 3) {
 
                const SkIRect srcRect =
                        SkIRect::MakeXYWH((gSurfaceSize - w) / 2, (gSurfaceSize - h) / 2, w, h);
                canvas->save();
                switch (random.nextU() % 3) {
                    case 0:
                        canvas->rotate(random.nextF() * 10.f);
                        break;
                    case 1:
                        canvas->rotate(-random.nextF() * 10.f);
                        break;
                    case 2:
                        // rect stays rect
                        break;
                }
                canvas->drawImageRect(fImage.get(), SkRect::Make(srcRect), dstRect,
                                      SkSamplingOptions(), &paint,
                                      SkCanvas::kFast_SrcRectConstraint);
                canvas->restore();
 
                canvas->translate(dstRect.width() + SK_Scalar1 * kPadX, 0);
                ++rowCount;
                if ((dstRect.width() + 2 * kPadX) * rowCount > gSize) {
                    canvas->restore();
                    canvas->translate(0, dstRect.height() + SK_Scalar1 * kPadY);
                    canvas->save();
                    rowCount = 0;
                }
            }
        }
        canvas->restore();
    }

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

• third_party/skia/gm/drawminibitmaprect.cpp