DrawBitmapRectGM Class Reference

Inheritance diagram for DrawBitmapRectGM:

Public Member Functions
	DrawBitmapRectGM (DrawRectRectProc proc, const char suffix[])
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
DrawRectRectProc *	fProc
SkBitmap	fLargeBitmap
sk_sp< SkImage >	fImage
SkString	fName

Protected Member Functions
SkString	getName () const override
SkISize	getISize () override
DrawResult	onDraw (SkCanvas *canvas, SkString *errorMsg) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual void	onOnceBeforeDraw ()
virtual void	onDraw (SkCanvas *)
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 168 of file drawbitmaprect.cpp.

Constructor & Destructor Documentation

DrawBitmapRectGM()

DrawBitmapRectGM::DrawBitmapRectGM ( DrawRectRectProc  proc, const char  suffix[]  )

inline

Definition at line 170 of file drawbitmaprect.cpp.

                                                                 : fProc(proc) {
        fName.set("drawbitmaprect");
        if (suffix) {
            fName.append(suffix);
        }
    }

Member Function Documentation

getISize()

SkISize DrawBitmapRectGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 185 of file drawbitmaprect.cpp.

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

getName()

SkString DrawBitmapRectGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 183 of file drawbitmaprect.cpp.

{ return fName; }

onDraw()

DrawResult DrawBitmapRectGM::onDraw ( SkCanvas *  canvas, SkString *  errorMsg  )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 187 of file drawbitmaprect.cpp.

                                                                     {
        if (!fImage || !fImage->isValid(canvas->recordingContext())) {
            fImage = ToolUtils::MakeTextureImage(canvas,
                                                 makebm(canvas, &fLargeBitmap, gBmpSize, gBmpSize));
            if (!fImage) {
                *errorMsg = "Image creation failed";
                return DrawResult::kSkip;
            }
        }
 
        SkRect dstRect = { 0, 0, SkIntToScalar(64), SkIntToScalar(64)};
        const int kMaxSrcRectSize = 1 << (SkNextLog2(gBmpSize) + 2);
 
        const int kPadX = 30;
        const int kPadY = 40;
        SkPaint alphaPaint;
        alphaPaint.setAlphaf(0.125f);
        canvas->drawImageRect(fImage, SkRect::MakeIWH(gSize, gSize), SkSamplingOptions(),
                              &alphaPaint);
        canvas->translate(SK_Scalar1 * kPadX / 2,
                          SK_Scalar1 * kPadY / 2);
        SkPaint blackPaint;
        SkScalar titleHeight = SK_Scalar1 * 24;
        blackPaint.setColor(SK_ColorBLACK);
        blackPaint.setAntiAlias(true);
 
        SkFont font(ToolUtils::DefaultPortableTypeface(), titleHeight);
 
        SkString title;
        title.printf("Bitmap size: %d x %d", gBmpSize, gBmpSize);
        canvas->drawString(title, 0, titleHeight, font, blackPaint);
 
        canvas->translate(0, SK_Scalar1 * kPadY / 2  + titleHeight);
        int rowCount = 0;
        canvas->save();
        for (int w = 1; w <= kMaxSrcRectSize; w *= 4) {
            for (int h = 1; h <= kMaxSrcRectSize; h *= 4) {
 
                SkIRect srcRect = SkIRect::MakeXYWH((gBmpSize - w) / 2, (gBmpSize - h) / 2, w, h);
                fProc(canvas, fImage, fLargeBitmap, srcRect, dstRect, SkSamplingOptions(),
                      nullptr);
 
                SkString label;
                label.appendf("%d x %d", w, h);
                blackPaint.setAntiAlias(true);
                blackPaint.setStyle(SkPaint::kFill_Style);
                font.setSize(SK_Scalar1 * 10);
                SkScalar baseline = dstRect.height() + font.getSize() + SK_Scalar1 * 3;
                canvas->drawString(label, 0, baseline, font, blackPaint);
                blackPaint.setStyle(SkPaint::kStroke_Style);
                blackPaint.setStrokeWidth(SK_Scalar1);
                blackPaint.setAntiAlias(false);
                canvas->drawRect(dstRect, blackPaint);
 
                canvas->translate(dstRect.width() + SK_Scalar1 * kPadX, 0);
                ++rowCount;
                if ((dstRect.width() + kPadX) * rowCount > gSize) {
                    canvas->restore();
                    canvas->translate(0, dstRect.height() + SK_Scalar1 * kPadY);
                    canvas->save();
                    rowCount = 0;
                }
            }
        }
 
        {
            // test the following code path:
            // SkGpuDevice::drawPath() -> SkGpuDevice::drawWithMaskFilter()
            SkIRect srcRect;
            SkPaint maskPaint;
            SkBitmap bm = make_chessbm(5, 5);
            sk_sp<SkImage> img = ToolUtils::MakeTextureImage(canvas, bm.asImage());
 
            srcRect.setXYWH(1, 1, 3, 3);
            maskPaint.setMaskFilter(SkMaskFilter::MakeBlur(
                kNormal_SkBlurStyle,
                SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5))));
 
            fProc(canvas, img, bm, srcRect, dstRect,
                  SkSamplingOptions(SkFilterMode::kLinear), &maskPaint);
        }
 
        return DrawResult::kOk;
    }

Member Data Documentation

fImage

sk_sp<SkImage> DrawBitmapRectGM::fImage

Definition at line 179 of file drawbitmaprect.cpp.

fLargeBitmap

SkBitmap DrawBitmapRectGM::fLargeBitmap

Definition at line 178 of file drawbitmaprect.cpp.

fName

SkString DrawBitmapRectGM::fName

Definition at line 180 of file drawbitmaprect.cpp.

fProc

DrawRectRectProc* DrawBitmapRectGM::fProc

Definition at line 177 of file drawbitmaprect.cpp.

---

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

• third_party/skia/gm/drawbitmaprect.cpp