skiagm::LcdOverlapGM Class Reference

Inheritance diagram for skiagm::LcdOverlapGM:

Public Member Functions
	LcdOverlapGM ()
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

Protected Member Functions
SkString	getName () const override
void	onOnceBeforeDraw () override
SkISize	getISize () override
void	drawTestCase (SkCanvas *canvas, SkScalar x, SkScalar y, SkBlendMode mode, SkBlendMode mode2)
void	onDraw (SkCanvas *canvas) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
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 30 of file lcdoverlap.cpp.

Constructor & Destructor Documentation

LcdOverlapGM()

skiagm::LcdOverlapGM::LcdOverlapGM ( )

inline

Definition at line 32 of file lcdoverlap.cpp.

                   {
        const int kPointSize = 25;
        fTextHeight = SkIntToScalar(kPointSize);
    }

Member Function Documentation

drawTestCase()

void skiagm::LcdOverlapGM::drawTestCase ( SkCanvas *  canvas, SkScalar  x, SkScalar  y, SkBlendMode  mode, SkBlendMode  mode2  )

inlineprotected

Definition at line 54 of file lcdoverlap.cpp.

                                         {
        const SkColor colors[] {
                SK_ColorRED,
                SK_ColorGREEN,
                SK_ColorBLUE,
                SK_ColorYELLOW,
                SK_ColorCYAN,
                SK_ColorMAGENTA,
        };
 
        for (size_t i = 0; i < std::size(colors); i++) {
            canvas->save();
            canvas->translate(x, y);
            canvas->rotate(360.0f / std::size(colors) * i);
            canvas->translate(-fBlob->bounds().width() / 2.0f - fBlob->bounds().left() + 0.5f, 0);
 
            SkPaint textPaint;
            textPaint.setColor(colors[i]);
            textPaint.setBlendMode(i % 2 == 0 ? mode : mode2);
            canvas->drawTextBlob(fBlob, 0, 0, textPaint);
            canvas->restore();
        }
    }

getISize()

SkISize skiagm::LcdOverlapGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 52 of file lcdoverlap.cpp.

{ return SkISize::Make(kWidth, kHeight); }

getName()

SkString skiagm::LcdOverlapGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 38 of file lcdoverlap.cpp.

{ return SkString("lcdoverlap"); }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 79 of file lcdoverlap.cpp.

                                           {
        SkScalar offsetX = kWidth / 4.0f;
        SkScalar offsetY = kHeight / 4.0f;
        drawTestCase(canvas, offsetX, offsetY,  SkBlendMode::kSrc, SkBlendMode::kSrc);
        drawTestCase(canvas, 3 * offsetX, offsetY,  SkBlendMode::kSrcOver, SkBlendMode::kSrcOver);
        drawTestCase(canvas, offsetX, 3 * offsetY,  SkBlendMode::kHardLight,
                     SkBlendMode::kLuminosity);
        drawTestCase(canvas, 3 * offsetX, 3 * offsetY,  SkBlendMode::kSrcOver, SkBlendMode::kSrc);
    }

onOnceBeforeDraw()

void skiagm::LcdOverlapGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 40 of file lcdoverlap.cpp.

                                     {
        // build text blob
        SkTextBlobBuilder builder;
 
        SkFont      font(ToolUtils::DefaultPortableTypeface(), 32);
        const char* text = "able was I ere I saw elba";
        font.setSubpixel(true);
        font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
        ToolUtils::add_to_text_blob(&builder, text, font, 0, 0);
        fBlob = builder.make();
    }

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

• third_party/skia/gm/lcdoverlap.cpp