NinePatchStretchGM Class Reference

Inheritance diagram for NinePatchStretchGM:

Public Member Functions
	NinePatchStretchGM ()
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

Public Attributes
sk_sp< SkImage >	fImage
SkIRect	fCenter

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 56 of file ninepatchstretch.cpp.

Constructor & Destructor Documentation

NinePatchStretchGM()

NinePatchStretchGM::NinePatchStretchGM ( )

inline

Definition at line 61 of file ninepatchstretch.cpp.

{}

Member Function Documentation

getISize()

SkISize NinePatchStretchGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 66 of file ninepatchstretch.cpp.

{ return SkISize::Make(760, 800); }

getName()

SkString NinePatchStretchGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 64 of file ninepatchstretch.cpp.

{ return SkString("ninepatch-stretch"); }

onDraw()

void NinePatchStretchGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 68 of file ninepatchstretch.cpp.

                                           {
        if (!fImage || !fImage->isValid(canvas->recordingContext())) {
            fImage = make_image(canvas, &fCenter);
        }
 
        // amount of bm that should not be stretched (unless we have to)
        const SkScalar fixed = SkIntToScalar(fImage->width() - fCenter.width());
 
        const SkSize size[] = {
            { fixed * 4 / 5, fixed * 4 / 5 },   // shrink in both axes
            { fixed * 4 / 5, fixed * 4 },       // shrink in X
            { fixed * 4,     fixed * 4 / 5 },   // shrink in Y
            { fixed * 4,     fixed * 4 }
        };
 
        canvas->drawImage(fImage, 10, 10);
 
        SkScalar x = SkIntToScalar(100);
        SkScalar y = SkIntToScalar(100);
 
        SkPaint paint;
        for (auto fm : {SkFilterMode::kLinear, SkFilterMode::kNearest}) {
            for (int iy = 0; iy < 2; ++iy) {
                for (int ix = 0; ix < 2; ++ix) {
                    int i = ix * 2 + iy;
                    SkRect r = SkRect::MakeXYWH(x + ix * fixed, y + iy * fixed,
                                                size[i].width(), size[i].height());
                    canvas->drawImageNine(fImage.get(), fCenter, r, fm);
                }
            }
            canvas->translate(0, 400);
        }
    }

Member Data Documentation

fCenter

SkIRect NinePatchStretchGM::fCenter

Definition at line 59 of file ninepatchstretch.cpp.

fImage

sk_sp<SkImage> NinePatchStretchGM::fImage

Definition at line 58 of file ninepatchstretch.cpp.

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

• third_party/skia/gm/ninepatchstretch.cpp