CubicPathShaderGM Class Reference

Inheritance diagram for CubicPathShaderGM:

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 362 of file cubicpaths.cpp.

Member Function Documentation

getISize()

SkISize CubicPathShaderGM::getISize ( )

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 365 of file cubicpaths.cpp.

{ return {1240, 390}; }

getName()

SkString CubicPathShaderGM::getName ( ) const

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 363 of file cubicpaths.cpp.

{ return SkString("cubicpath_shader"); }

onDraw()

void CubicPathShaderGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 391 of file cubicpaths.cpp.

                                           {
        struct FillAndName {
            SkPathFillType fFill;
            const char*      fName;
        };
        constexpr FillAndName gFills[] = {
            {SkPathFillType::kWinding, "Winding"},
            {SkPathFillType::kEvenOdd, "Even / Odd"},
            {SkPathFillType::kInverseWinding, "Inverse Winding"},
            {SkPathFillType::kInverseEvenOdd, "Inverse Even / Odd"},
        };
        struct StyleAndName {
            SkPaint::Style fStyle;
            const char*    fName;
        };
        constexpr StyleAndName gStyles[] = {
            {SkPaint::kFill_Style, "Fill"},
            {SkPaint::kStroke_Style, "Stroke"},
            {SkPaint::kStrokeAndFill_Style, "Stroke And Fill"},
        };
        struct CapAndName {
            SkPaint::Cap  fCap;
            SkPaint::Join fJoin;
            const char*   fName;
        };
        constexpr CapAndName gCaps[] = {
            {SkPaint::kButt_Cap, SkPaint::kBevel_Join, "Butt"},
            {SkPaint::kRound_Cap, SkPaint::kRound_Join, "Round"},
            {SkPaint::kSquare_Cap, SkPaint::kBevel_Join, "Square"}
        };
        struct PathAndName {
            SkPath      fPath;
            const char* fName;
        };
        PathAndName path;
        path.fPath.moveTo(25*SK_Scalar1, 10*SK_Scalar1);
        path.fPath.cubicTo(40*SK_Scalar1, 20*SK_Scalar1,
                           60*SK_Scalar1, 20*SK_Scalar1,
                           75*SK_Scalar1, 10*SK_Scalar1);
        path.fName = "moveTo-cubic";
 
        SkPaint titlePaint;
        titlePaint.setColor(SK_ColorBLACK);
        titlePaint.setAntiAlias(true);
        SkFont     font(ToolUtils::DefaultPortableTypeface(), 15);
        const char title[] = "Cubic Drawn Into Rectangle Clips With "
                             "Indicated Style, Fill and Linecaps, with stroke width 10";
        canvas->drawString(title, 20, 20, font, titlePaint);
 
        SkRandom rand;
        SkRect rect = SkRect::MakeWH(100*SK_Scalar1, 30*SK_Scalar1);
        canvas->save();
        canvas->translate(10 * SK_Scalar1, 30 * SK_Scalar1);
        canvas->save();
        for (size_t cap = 0; cap < std::size(gCaps); ++cap) {
            if (0 < cap) {
                canvas->translate((rect.width() + 40 * SK_Scalar1) * std::size(gStyles), 0);
            }
            canvas->save();
            for (size_t fill = 0; fill < std::size(gFills); ++fill) {
                if (0 < fill) {
                    canvas->translate(0, rect.height() + 40 * SK_Scalar1);
                }
                canvas->save();
                for (size_t style = 0; style < std::size(gStyles); ++style) {
                    if (0 < style) {
                        canvas->translate(rect.width() + 40 * SK_Scalar1, 0);
                    }
 
                    SkColor color = 0xff007000;
                    this->drawPath(path.fPath, canvas, rect,
                                    gCaps[cap].fCap, gCaps[cap].fJoin, gStyles[style].fStyle,
                                    gFills[fill].fFill, SK_Scalar1*10);
 
                    SkPaint rectPaint;
                    rectPaint.setColor(SK_ColorBLACK);
                    rectPaint.setStyle(SkPaint::kStroke_Style);
                    rectPaint.setStrokeWidth(-1);
                    rectPaint.setAntiAlias(true);
                    canvas->drawRect(rect, rectPaint);
 
                    SkPaint labelPaint;
                    labelPaint.setColor(color);
                    font.setSize(10);
                    canvas->drawString(gStyles[style].fName, 0, rect.height() + 12, font, labelPaint);
                    canvas->drawString(gFills[fill].fName, 0, rect.height() + 24, font, labelPaint);
                    canvas->drawString(gCaps[cap].fName, 0, rect.height() + 36, font, labelPaint);
                }
                canvas->restore();
            }
            canvas->restore();
        }
        canvas->restore();
        canvas->restore();
    }

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

• third_party/skia/gm/cubicpaths.cpp