TypefaceStylesGM Class Reference

Inheritance diagram for TypefaceStylesGM:

Public Member Functions
	TypefaceStylesGM (bool applyKerning)
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 SkISize	getISize ()=0
virtual SkString	getName () const =0
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
void	onDraw (SkCanvas *canvas) override
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 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 99 of file typeface.cpp.

Constructor & Destructor Documentation

TypefaceStylesGM()

TypefaceStylesGM::TypefaceStylesGM ( bool  applyKerning )

inline

Definition at line 104 of file typeface.cpp.

: fApplyKerning(applyKerning) {}

Member Function Documentation

getISize()

SkISize TypefaceStylesGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 121 of file typeface.cpp.

{ return SkISize::Make(640, 480); }

getName()

SkString TypefaceStylesGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 113 of file typeface.cpp.

                                      {
        SkString name("typefacestyles");
        if (fApplyKerning) {
            name.append("_kerning");
        }
        return name;
    }

onDraw()

void TypefaceStylesGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 123 of file typeface.cpp.

                                           {
        // Need to use a font to get dy below.
        SkFont font = ToolUtils::DefaultFont();
        font.setSize(30);
 
        const char* text = fApplyKerning ? "Type AWAY" : "Hamburgefons";
        const size_t textLen = strlen(text);
 
        SkScalar x = SkIntToScalar(10);
        SkScalar dy = font.getMetrics(nullptr);
        SkASSERT(dy > 0);
        SkScalar y = dy;
 
        if (fApplyKerning) {
            font.setSubpixel(true);
        } else {
            font.setLinearMetrics(true);
        }
 
        SkPaint paint;
        for (int i = 0; i < gStylesCount; i++) {
            SkASSERT(fFaces[i]);
            font.setTypeface(fFaces[i]);
            canvas->drawSimpleText(text, textLen, SkTextEncoding::kUTF8, x, y, font, paint);
            if (fApplyKerning) {
                drawKernText(canvas, text, textLen, x + 240, y, font, paint);
            }
            y += dy;
        }
    }

onOnceBeforeDraw()

void TypefaceStylesGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 107 of file typeface.cpp.

                                     {
        for (int i = 0; i < gStylesCount; i++) {
            fFaces[i] = ToolUtils::CreateTestTypeface(nullptr, gStyles[i]);
        }
    }

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

• third_party/skia/gm/typeface.cpp