ImageGM Class Reference

Inheritance diagram for ImageGM:

Public Member Functions
	ImageGM ()
	~ImageGM () override
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 131 of file image.cpp.

Constructor & Destructor Documentation

ImageGM()

ImageGM::ImageGM ( )

inline

Definition at line 141 of file image.cpp.

              {
        fBufferSize = RB * H;
        fBuffer = sk_malloc_throw(fBufferSize);
        fSize.set(SkIntToScalar(W), SkIntToScalar(H));
    }

~ImageGM()

ImageGM::~ImageGM ( )

inlineoverride

Definition at line 147 of file image.cpp.

                        {
        sk_free(fBuffer);
    }

Member Function Documentation

getISize()

SkISize ImageGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 154 of file image.cpp.

{ return SkISize::Make(960, 1200); }

getName()

SkString ImageGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 152 of file image.cpp.

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

onDraw()

void ImageGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 156 of file image.cpp.

                                           {
        canvas->scale(2, 2);
 
        SkFont font(ToolUtils::DefaultPortableTypeface(), 8);
 
        canvas->drawString("Original Img",  10,  60, font, SkPaint());
        canvas->drawString("Modified Img",  10, 140, font, SkPaint());
        canvas->drawString("Cur Surface",   10, 220, font, SkPaint());
        canvas->drawString("Full Crop",     10, 300, font, SkPaint());
        canvas->drawString("Over-crop",     10, 380, font, SkPaint());
        canvas->drawString("Upper-left",    10, 460, font, SkPaint());
        canvas->drawString("No Crop",       10, 540, font, SkPaint());
 
        canvas->drawString("Pre-Alloc Img", 80,  10, font, SkPaint());
        canvas->drawString("New Alloc Img", 160, 10, font, SkPaint());
        canvas->drawString( "GPU",          265, 10, font, SkPaint());
 
        canvas->translate(80, 20);
 
        // since we draw into this directly, we need to start fresh
        sk_bzero(fBuffer, fBufferSize);
 
        SkImageInfo info = SkImageInfo::MakeN32Premul(W, H);
        sk_sp<SkSurface> surf0(SkSurfaces::WrapPixels(info, fBuffer, RB));
        sk_sp<SkSurface> surf1(SkSurfaces::Raster(info));
        sk_sp<SkSurface> surf2(
                SkSurfaces::RenderTarget(canvas->recordingContext(), skgpu::Budgeted::kNo, info));
 
        test_surface(canvas, surf0.get(), true);
        canvas->translate(80, 0);
        test_surface(canvas, surf1.get(), true);
        if (surf2) {
            canvas->translate(80, 0);
            test_surface(canvas, surf2.get(), true);
        }
    }

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

• third_party/skia/gm/image.cpp