skiagm::FontPaletteGM Class Reference

Inheritance diagram for skiagm::FontPaletteGM:

Public Member Functions
	FontPaletteGM (const char *test_name, const SkFontArguments::Palette &paletteOverride)
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
sk_sp< SkTypeface >	fTypefaceDefault
sk_sp< SkTypeface >	fTypefaceFromStream
sk_sp< SkTypeface >	fTypefaceCloned

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 85 of file palette.cpp.

Constructor & Destructor Documentation

FontPaletteGM()

skiagm::FontPaletteGM::FontPaletteGM ( const char *  test_name, const SkFontArguments::Palette &  paletteOverride  )

inline

Definition at line 87 of file palette.cpp.

            : fName(test_name), fPalette(paletteOverride) {}

Member Function Documentation

getISize()

SkISize skiagm::FontPaletteGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 111 of file palette.cpp.

{ return SkISize::Make(1000, 400); }

getName()

SkString skiagm::FontPaletteGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 106 of file palette.cpp.

                                      {
        SkString gm_name = SkStringPrintf("font_palette_%s", fName.c_str());
        return gm_name;
    }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 113 of file palette.cpp.

                                                                     {
        canvas->drawColor(SK_ColorWHITE);
        SkPaint paint;
 
        canvas->translate(10, 20);
 
        if (!fTypefaceCloned || !fTypefaceFromStream) {
            *errorMsg = "Did not recognize COLR v1 test font format.";
            return DrawResult::kSkip;
        }
 
        SkFontMetrics metrics;
        SkScalar y = 0;
        SkScalar textSize = 200;
        for (auto& typeface : {fTypefaceFromStream, fTypefaceCloned}) {
            SkFont defaultFont(fTypefaceDefault);
            SkFont paletteFont(typeface);
            defaultFont.setSize(textSize);
            paletteFont.setSize(textSize);
 
            defaultFont.getMetrics(&metrics);
            y += -metrics.fAscent;
            // Set a recognizable foreground color which is not to be overriden.
            paint.setColor(SK_ColorGRAY);
            // Draw the default palette on the left, for COLRv0 and COLRv1.
            canvas->drawSimpleText(
                    ColrV1TestDefinitions::color_circles_palette,
                    std::size(ColrV1TestDefinitions::color_circles_palette) * sizeof(uint32_t),
                    SkTextEncoding::kUTF32,
                    0,
                    y,
                    defaultFont,
                    paint);
            // Draw the overriden palette on the right.
            canvas->drawSimpleText(
                    ColrV1TestDefinitions::color_circles_palette,
                    std::size(ColrV1TestDefinitions::color_circles_palette) * sizeof(uint32_t),
                    SkTextEncoding::kUTF32,
                    440,
                    y,
                    paletteFont,
                    paint);
            y += metrics.fDescent + metrics.fLeading;
        }
        return DrawResult::kOk;
    }

onOnceBeforeDraw()

void skiagm::FontPaletteGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 95 of file palette.cpp.

                                     {
        SkFontArguments paletteArguments;
        paletteArguments.setPalette(fPalette);
 
        fTypefaceDefault = MakeTypefaceFromResource(kColrCpalTestFontPath, SkFontArguments());
        fTypefaceCloned =
                fTypefaceDefault ? fTypefaceDefault->makeClone(paletteArguments) : nullptr;
 
        fTypefaceFromStream = MakeTypefaceFromResource(kColrCpalTestFontPath, paletteArguments);
    }

Member Data Documentation

fTypefaceCloned

sk_sp<SkTypeface> skiagm::FontPaletteGM::fTypefaceCloned

protected

Definition at line 93 of file palette.cpp.

fTypefaceDefault

sk_sp<SkTypeface> skiagm::FontPaletteGM::fTypefaceDefault

protected

Definition at line 91 of file palette.cpp.

fTypefaceFromStream

sk_sp<SkTypeface> skiagm::FontPaletteGM::fTypefaceFromStream

protected

Definition at line 92 of file palette.cpp.

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

• third_party/skia/gm/palette.cpp