skiagm::ScaledEmojiGM Class Reference

Inheritance diagram for skiagm::ScaledEmojiGM:

Public Member Functions
	ScaledEmojiGM (ToolUtils::EmojiFontFormat format)
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
void	onOnceBeforeDraw () override
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	onDraw (SkCanvas *)
virtual bool	onAnimate (double)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
GraphiteTestContext *	graphiteTestContext () const

Protected Attributes
ToolUtils::EmojiTestSample	fEmojiFont

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 41 of file scaledemoji.cpp.

Constructor & Destructor Documentation

ScaledEmojiGM()

skiagm::ScaledEmojiGM::ScaledEmojiGM ( ToolUtils::EmojiFontFormat  format )

inline

Definition at line 43 of file scaledemoji.cpp.

: fFormat(format) {}

Member Function Documentation

getISize()

SkISize skiagm::ScaledEmojiGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 54 of file scaledemoji.cpp.

{ return SkISize::Make(1200, 1200); }

getName()

SkString skiagm::ScaledEmojiGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 50 of file scaledemoji.cpp.

                                      {
        return SkString("scaledemoji_") += ToolUtils::NameForFontFormat(fFormat);
    }

onDraw()

DrawResult skiagm::ScaledEmojiGM::onDraw ( SkCanvas *  canvas, SkString *  errorMsg  )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 56 of file scaledemoji.cpp.

                                                                     {
        if (!fEmojiFont.typeface) {
            *errorMsg = SkStringPrintf("Unable to instantiate emoji test font of format %s.",
                                       ToolUtils::NameForFontFormat(fFormat).c_str());
            return DrawResult::kSkip;
        }
 
        canvas->drawColor(SK_ColorGRAY);
 
        SkPaint paint;
        SkFont font(fEmojiFont.typeface);
        font.setEdging(SkFont::Edging::kAlias);
 
        const char* text = fEmojiFont.sampleText;
 
        // draw text at different point sizes
        // Testing GPU bitmap path, SDF path with no scaling,
        // SDF path with scaling, path rendering with scaling
        SkFontMetrics metrics;
        SkScalar y = 0;
        for (SkScalar textSize : {70, 180, 270, 340}) {
            font.setSize(textSize);
            font.getMetrics(&metrics);
            y += -metrics.fAscent;
            canvas->drawSimpleText(text, strlen(text), SkTextEncoding::kUTF8, 10, y, font, paint);
            y += metrics.fDescent + metrics.fLeading;
        }
 
        return DrawResult::kOk;
    }

onOnceBeforeDraw()

void skiagm::ScaledEmojiGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 48 of file scaledemoji.cpp.

{ fEmojiFont = ToolUtils::EmojiSample(fFormat); }

Member Data Documentation

fEmojiFont

ToolUtils::EmojiTestSample skiagm::ScaledEmojiGM::fEmojiFont

protected

Definition at line 46 of file scaledemoji.cpp.

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

• third_party/skia/gm/scaledemoji.cpp