FontMgrBoundsGM Class Reference

Inheritance diagram for FontMgrBoundsGM:

Public Member Functions
	FontMgrBoundsGM (float scale, float skew)
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

Private Member Functions
SkString	getName () const override
void	onOnceBeforeDraw () override
bool	onGetControls (SkMetaData *controls) override
void	onSetControls (const SkMetaData &controls) override
SkISize	getISize () override
DrawResult	onDraw (SkCanvas *canvas, SkString *errorMsg) override

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 []
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual void	onDraw (SkCanvas *)
virtual bool	onAnimate (double)
GraphiteTestContext *	graphiteTestContext () const

Detailed Description

Definition at line 208 of file fontmgr.cpp.

Constructor & Destructor Documentation

FontMgrBoundsGM()

FontMgrBoundsGM::FontMgrBoundsGM ( float  scale, float  skew  )

inline

Definition at line 210 of file fontmgr.cpp.

: fScaleX(scale) , fSkewX(skew) {}

Member Function Documentation

getISize()

SkISize FontMgrBoundsGM::getISize ( )

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 331 of file fontmgr.cpp.

{ return {1024, 850}; }

getName()

SkString FontMgrBoundsGM::getName ( ) const

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 213 of file fontmgr.cpp.

                                      {
        if (fScaleX != 1 || fSkewX != 0) {
            return SkStringPrintf("fontmgr_bounds_%g_%g", fScaleX, fSkewX);
        }
        return SkString("fontmgr_bounds");
    }

onDraw()

DrawResult FontMgrBoundsGM::onDraw ( SkCanvas *  canvas, SkString *  errorMsg  )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 333 of file fontmgr.cpp.

                                                                     {
        SkFont font = ToolUtils::DefaultFont();
        font.setEdging(SkFont::Edging::kAntiAlias);
        font.setSubpixel(true);
        font.setSize(100);
        font.setScaleX(fScaleX);
        font.setSkewX(fSkewX);
 
        const SkColor boundsColors[2] = { SK_ColorRED, SK_ColorBLUE };
 
        SkFontMgr* fm = fFM.get();
        int count = std::min(fm->countFamilies(), 32);
        if (count == 0) {
            *errorMsg = "No families in SkFontMgr under test.";
            return DrawResult::kSkip;
        }
 
        int index = 0;
        SkScalar x = 0, y = 0;
 
        canvas->translate(10, 120);
 
        for (int i = 0; i < count; ++i) {
            sk_sp<SkFontStyleSet> set(fm->createStyleSet(i));
            for (int j = 0; j < set->count() && j < 3; ++j) {
                font.setTypeface(sk_sp<SkTypeface>(set->createTypeface(j)));
                // Fonts with lots of glyphs are interesting, but can take a long time to find
                // the glyphs which make up the maximum extent.
                SkTypeface* typeface = font.getTypeface();
                if (typeface && 0 < typeface->countGlyphs() && typeface->countGlyphs() < 1000) {
                    SkColor color = boundsColors[index & 1];
                    SkRect drawBounds = show_bounds(canvas, font, x, y, color, fLabelBounds);
                    x += drawBounds.width() + 20;
                    index += 1;
                    if (x > 900) {
                        x = 0;
                        y += 160;
                    }
                    if (y >= 700) {
                        return DrawResult::kOk;
                    }
                }
            }
        }
        return DrawResult::kOk;
    }

onGetControls()

bool FontMgrBoundsGM::onGetControls ( SkMetaData *  controls )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 222 of file fontmgr.cpp.

                                                      {
        controls->setBool("Label Bounds", fLabelBounds);
        return true;
    }

onOnceBeforeDraw()

void FontMgrBoundsGM::onOnceBeforeDraw ( )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 220 of file fontmgr.cpp.

{ fFM = ToolUtils::TestFontMgr(); }

onSetControls()

void FontMgrBoundsGM::onSetControls ( const SkMetaData &  controls )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 227 of file fontmgr.cpp.

                                                            {
        controls.findBool("Label Bounds", &fLabelBounds);
    }

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

• third_party/skia/gm/fontmgr.cpp