AnimatedImageGM Class Reference

Inheritance diagram for AnimatedImageGM:

Public Member Functions
	AnimatedImageGM (const char *path, const char *name, int step, SkIRect cropRect)
	~AnimatedImageGM () override=default
SkString	getName () const override
SkISize	getISize () override
void	onDraw (SkCanvas *canvas) 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

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 []
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

Detailed Description

Definition at line 40 of file animated_image_orientation.cpp.

Constructor & Destructor Documentation

AnimatedImageGM()

AnimatedImageGM::AnimatedImageGM ( const char *  path, const char *  name, int  step, SkIRect  cropRect  )

inline

Definition at line 69 of file animated_image_orientation.cpp.

        : fPath(path)
        , fName(name)
        , fStep(step)
        , fCropRect(cropRect)
        , fSize{0, 0}
        , fTranslate(0)
    {}

~AnimatedImageGM()

AnimatedImageGM::~AnimatedImageGM ( )

overridedefault

Member Function Documentation

getISize()

SkISize AnimatedImageGM::getISize ( )

inlineoverridevirtual

Implements skiagm::GM.

Definition at line 81 of file animated_image_orientation.cpp.

                                {
        this->init();
        return fSize;
    }

getName()

SkString AnimatedImageGM::getName ( ) const

inlineoverridevirtual

Implements skiagm::GM.

Definition at line 79 of file animated_image_orientation.cpp.

{ return SkStringPrintf("%s_animated_image", fName); }

onDraw()

void AnimatedImageGM::onDraw ( SkCanvas *  canvas )

inlineoverridevirtual

Reimplemented from skiagm::GM.

Definition at line 86 of file animated_image_orientation.cpp.

                                           {
        this->init();
        for (bool usePic : { true, false }) {
            auto drawProc = [canvas, usePic](const sk_sp<SkAnimatedImage>& animatedImage) {
                if (usePic) {
                    sk_sp<SkPicture> pic = animatedImage->makePictureSnapshot();
                    canvas->drawPicture(pic);
                } else {
                    auto image = animatedImage->getCurrentFrame();
                    canvas->drawImage(image, 0, 0);
                }
            };
            for (float scale : { 1.25f, 1.0f, .75f, .5f }) {
                canvas->save();
                for (bool doCrop : { false, true }) {
                    for (bool doPostProcess : { false, true }) {
                        auto codec = SkCodec::MakeFromData(fData);
                        const auto origin = codec->getOrigin();
                        auto androidCodec = SkAndroidCodec::MakeFromCodec(std::move(codec));
                        auto info = androidCodec->getInfo();
                        const auto unscaledSize = SkEncodedOriginSwapsWidthHeight(origin)
                                ? SkISize{ info.height(), info.width() } :  info.dimensions();
 
                        SkISize scaledSize = { SkScalarFloorToInt(unscaledSize.width()  * scale) ,
                                               SkScalarFloorToInt(unscaledSize.height() * scale) };
                        info = info.makeDimensions(scaledSize);
 
                        auto cropRect = SkIRect::MakeSize(scaledSize);
                        if (doCrop) {
                            auto matrix = SkMatrix::RectToRect(SkRect::Make(unscaledSize),
                                                               SkRect::Make(scaledSize));
                            matrix.preConcat(SkEncodedOriginToMatrix(origin,
                                    unscaledSize.width(), unscaledSize.height()));
                            SkRect cropRectFloat = SkRect::Make(fCropRect);
                            matrix.mapRect(&cropRectFloat);
                            cropRectFloat.roundOut(&cropRect);
                        }
 
                        sk_sp<SkPicture> postProcessor = doPostProcess
                                ? post_processor(SkRect::Make(cropRect.size())) : nullptr;
                        auto animatedImage = SkAnimatedImage::Make(std::move(androidCodec),
                                info, cropRect, std::move(postProcessor));
                        animatedImage->setRepetitionCount(0);
 
                        for (int frame = 0; frame < kMaxFrames; frame++) {
                            {
                                SkAutoCanvasRestore acr(canvas, doCrop);
                                if (doCrop) {
                                    canvas->translate(cropRect.left(), cropRect.top());
                                }
                                drawProc(animatedImage);
                            }
 
                            canvas->translate(fTranslate, 0);
                            const auto duration = animatedImage->currentFrameDuration();
                            if (duration == SkAnimatedImage::kFinished) {
                                break;
                            }
                            for (int i = 0; i < fStep; i++) {
                                animatedImage->decodeNextFrame();
                            }
                        }
                    }
                }
                canvas->restore();
                canvas->translate(0, fTranslate);
            }
        }
    }

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

• third_party/skia/gm/animated_image_orientation.cpp