skiagm::TextBlobGeometryChange Class Reference

Inheritance diagram for skiagm::TextBlobGeometryChange:

Public Member Functions
	TextBlobGeometryChange ()
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
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 28 of file textblobgeometrychange.cpp.

Constructor & Destructor Documentation

TextBlobGeometryChange()

skiagm::TextBlobGeometryChange::TextBlobGeometryChange ( )

inline

Definition at line 30 of file textblobgeometrychange.cpp.

{ }

Member Function Documentation

getISize()

SkISize skiagm::TextBlobGeometryChange::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 35 of file textblobgeometrychange.cpp.

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

getName()

SkString skiagm::TextBlobGeometryChange::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 33 of file textblobgeometrychange.cpp.

{ return SkString("textblobgeometrychange"); }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 37 of file textblobgeometrychange.cpp.

                                           {
        const char text[] = "Hamburgefons";
 
        SkFont font(ToolUtils::DefaultPortableTypeface(), 20);
        font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
 
        SkTextBlobBuilder builder;
 
        ToolUtils::add_to_text_blob(&builder, text, font, 10, 10);
 
        sk_sp<SkTextBlob> blob(builder.make());
 
        SkImageInfo info = SkImageInfo::MakeN32Premul(200, 200);
        SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
        auto           surface = ToolUtils::makeSurface(canvas, info, &props);
        SkCanvas* c = surface->getCanvas();
 
        // LCD text on white background
        SkRect rect = SkRect::MakeLTRB(0.f, 0.f, SkIntToScalar(kWidth), kHeight / 2.f);
        SkPaint rectPaint;
        rectPaint.setColor(0xffffffff);
        canvas->drawRect(rect, rectPaint);
        canvas->drawTextBlob(blob, 10, 50, SkPaint());
 
        // This should not look garbled since we should disable LCD text in this case
        // (i.e., unknown pixel geometry)
        c->clear(0x00ffffff);
        c->drawTextBlob(blob, 10, 150, SkPaint());
        surface->draw(canvas, 0, 0);
    }

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

• third_party/skia/gm/textblobgeometrychange.cpp