TextBlobGM Class Reference

Inheritance diagram for TextBlobGM:

Public Member Functions
	TextBlobGM (const char *txt)
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 82 of file textblob.cpp.

Constructor & Destructor Documentation

TextBlobGM()

TextBlobGM::TextBlobGM ( const char *  txt )

inline

Definition at line 84 of file textblob.cpp.

        : fText(txt) {
    }

Member Function Documentation

getISize()

SkISize TextBlobGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 101 of file textblob.cpp.

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

getName()

SkString TextBlobGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 99 of file textblob.cpp.

{ return SkString("textblob"); }

onDraw()

void TextBlobGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 103 of file textblob.cpp.

                                           {
        for (unsigned b = 0; b < std::size(blobConfigs); ++b) {
            sk_sp<SkTextBlob> blob(this->makeBlob(b));
 
            SkPaint p;
            p.setAntiAlias(true);
            SkPoint offset = SkPoint::Make(SkIntToScalar(10 + 300 * (b % 2)),
                                           SkIntToScalar(20 + 150 * (b / 2)));
 
            canvas->drawTextBlob(blob, offset.x(), offset.y(), p);
 
            p.setColor(SK_ColorBLUE);
            p.setStyle(SkPaint::kStroke_Style);
            SkRect box = blob->bounds();
            box.offset(offset);
            p.setAntiAlias(false);
            canvas->drawRect(box, p);
 
        }
    }

onOnceBeforeDraw()

void TextBlobGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 89 of file textblob.cpp.

                                     {
        fTypeface = ToolUtils::CreatePortableTypeface("serif", SkFontStyle());
        SkFont font(fTypeface);
        size_t txtLen = strlen(fText);
        int glyphCount = font.countText(fText, txtLen, SkTextEncoding::kUTF8);
 
        fGlyphs.append(glyphCount);
        font.textToGlyphs(fText, txtLen, SkTextEncoding::kUTF8, fGlyphs.begin(), glyphCount);
    }

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

• third_party/skia/gm/textblob.cpp