skiagm::FontationsTypefaceGM Class Reference

Inheritance diagram for skiagm::FontationsTypefaceGM:

Public Types
enum class	TypefaceConstruction { kMakeWithFontArguments , kCloneWithFontArguments }
Public Types inherited from skiagm::GM
enum	Mode { kGM_Mode , kSample_Mode , kBench_Mode }
using	DrawResult = skiagm::DrawResult
using	GraphiteTestContext = skiatest::graphite::GraphiteTestContext

Public Member Functions
	FontationsTypefaceGM (const char *testName, const char *testFontFilename, std::initializer_list< SkFontArguments::VariationPosition::Coordinate > specifiedVariations, TypefaceConstruction construction=TypefaceConstruction::kMakeWithFontArguments)
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

Additional Inherited Members
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 82 of file fontations.cpp.

Member Enumeration Documentation

TypefaceConstruction

enum class skiagm::FontationsTypefaceGM::TypefaceConstruction

strong

Enumerator
kMakeWithFontArguments
kCloneWithFontArguments

Definition at line 84 of file fontations.cpp.

                                    {
        kMakeWithFontArguments,
        kCloneWithFontArguments,
    };

Constructor & Destructor Documentation

FontationsTypefaceGM()

skiagm::FontationsTypefaceGM::FontationsTypefaceGM ( const char *  testName, const char *  testFontFilename, std::initializer_list< SkFontArguments::VariationPosition::Coordinate >  specifiedVariations, TypefaceConstruction  construction = TypefaceConstruction::kMakeWithFontArguments  )

inline

Definition at line 88 of file fontations.cpp.

            : fTestName(testName)
            , fTestFontFilename(testFontFilename)
            , fConstruction(construction) {
        this->setBGColor(SK_ColorWHITE);
        fVariationPosition.coordinateCount = specifiedVariations.size();
        fCoordinates = std::make_unique<SkFontArguments::VariationPosition::Coordinate[]>(
                specifiedVariations.size());
        for (size_t i = 0; i < specifiedVariations.size(); ++i) {
            fCoordinates[i] = std::data(specifiedVariations)[i];
        }
 
        fVariationPosition.coordinates = fCoordinates.get();
    }

Member Function Documentation

getISize()

SkISize skiagm::FontationsTypefaceGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 127 of file fontations.cpp.

{ return SkISize::Make(400, 200); }

getName()

SkString skiagm::FontationsTypefaceGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 123 of file fontations.cpp.

                                      {
        return SkStringPrintf("typeface_fontations_%s", fTestName.c_str());
    }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 129 of file fontations.cpp.

                                                                     {
        SkPaint paint;
        paint.setColor(SK_ColorBLACK);
 
        if (!fTestTypeface) {
            *errorMsg = "Unable to initialize typeface.";
            return DrawResult::kSkip;
        }
 
        SkFont font(fTestTypeface);
        const char32_t testText[] = U"abc";
        size_t testTextBytesize = std::char_traits<char32_t>::length(testText) * sizeof(char32_t);
        SkScalar x = 100;
        SkScalar y = 150;
 
        for (SkScalar textSize : kTextSizes) {
            font.setSize(textSize);
            y += font.getSpacing();
 
            /* Draw origin marker as a green dot. */
            paint.setColor(SK_ColorGREEN);
            canvas->drawRect(SkRect::MakeXYWH(x, y, 2, 2), paint);
            paint.setColor(SK_ColorBLACK);
 
            canvas->drawSimpleText(
                    testText, testTextBytesize, SkTextEncoding::kUTF32, x, y, font, paint);
        }
 
        canvas->translate(100, 470);
        dumpGlyphCount(canvas, fTestTypeface, fReportTypeface);
        canvas->translate(0, kDumpFontSize * 1.2);
        dumpLocalizedStrings(canvas, fTestTypeface, fReportTypeface);
        canvas->translate(0, kDumpFontSize * 1.2);
        dumpFamilyAndPostscriptName(canvas, fTestTypeface, fReportTypeface);
 
        return DrawResult::kOk;
    }

onOnceBeforeDraw()

void skiagm::FontationsTypefaceGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 108 of file fontations.cpp.

                                     {
        if (fConstruction == TypefaceConstruction::kMakeWithFontArguments) {
          fTestTypeface = SkTypeface_Make_Fontations(
                GetResourceAsStream(fTestFontFilename),
                SkFontArguments().setVariationDesignPosition(fVariationPosition));
        } else {
          fTestTypeface = SkTypeface_Make_Fontations(GetResourceAsStream(fTestFontFilename),
                                                     SkFontArguments())
                                  ->makeClone(SkFontArguments().setVariationDesignPosition(
                                          fVariationPosition));
        }
        fReportTypeface =
                SkTypeface_Make_Fontations(GetResourceAsStream(kReportFontName), SkFontArguments());
    }

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

• third_party/skia/gm/fontations.cpp