skiagm::DrawQuadSetGM Class Reference

Inheritance diagram for skiagm::DrawQuadSetGM:

Private Member Functions
SkString	getName () const override
SkISize	getISize () override
void	onDraw (SkCanvas *canvas) override

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
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
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 181 of file drawquadset.cpp.

Member Function Documentation

getISize()

SkISize skiagm::DrawQuadSetGM::getISize ( )

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 184 of file drawquadset.cpp.

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

getName()

SkString skiagm::DrawQuadSetGM::getName ( ) const

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 183 of file drawquadset.cpp.

{ return SkString("draw_quad_set"); }

onDraw()

void skiagm::DrawQuadSetGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 186 of file drawquadset.cpp.

                                           {
        SkMatrix rowMatrices[5];
        // Identity
        rowMatrices[0].setIdentity();
        // Translate/scale
        rowMatrices[1].setTranslate(5.5f, 20.25f);
        rowMatrices[1].postScale(.9f, .7f);
        // Rotation
        rowMatrices[2].setRotate(20.0f);
        rowMatrices[2].preTranslate(15.f, -20.f);
        // Skew
        rowMatrices[3].setSkew(.5f, .25f);
        rowMatrices[3].preTranslate(-30.f, 0.f);
        // Perspective
        SkPoint src[4];
        SkRect::MakeWH(kColCount * kTileWidth, kRowCount * kTileHeight).toQuad(src);
        SkPoint dst[4] = {{0, 0},
                          {kColCount * kTileWidth + 10.f, 15.f},
                          {kColCount * kTileWidth - 28.f, kRowCount * kTileHeight + 40.f},
                          {25.f, kRowCount * kTileHeight - 15.f}};
        SkAssertResult(rowMatrices[4].setPolyToPoly(src, dst, 4));
        rowMatrices[4].preTranslate(0.f, +10.f);
        static const char* matrixNames[] = { "Identity", "T+S", "Rotate", "Skew", "Perspective" };
        static_assert(std::size(matrixNames) == std::size(rowMatrices), "Count mismatch");
 
        // Print a column header
        canvas->save();
        canvas->translate(110.f, 20.f);
        for (size_t j = 0; j < std::size(kTileSetNames); ++j) {
            draw_text(canvas, kTileSetNames[j]);
            canvas->translate(kColCount * kTileWidth + 30.f, 0.f);
        }
        canvas->restore();
        canvas->translate(0.f, 40.f);
 
        // Render all tile variations
        for (size_t i = 0; i < std::size(rowMatrices); ++i) {
            canvas->save();
            canvas->translate(10.f, 0.5f * kRowCount * kTileHeight);
            draw_text(canvas, matrixNames[i]);
 
            canvas->translate(100.f, -0.5f * kRowCount * kTileHeight);
            for (size_t j = 0; j < std::size(kTileSets); ++j) {
                canvas->save();
                draw_tile_boundaries(canvas, rowMatrices[i]);
 
                canvas->concat(rowMatrices[i]);
                kTileSets[j](canvas);
                // Undo the local transformation
                canvas->restore();
                // And advance to the next column
                canvas->translate(kColCount * kTileWidth + 30.f, 0.f);
            }
            // Reset back to the left edge
            canvas->restore();
            // And advance to the next row
            canvas->translate(0.f, kRowCount * kTileHeight + 20.f);
        }
    }

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

• third_party/skia/gm/drawquadset.cpp