DrawAtlasColorsGM Class Reference

Inheritance diagram for DrawAtlasColorsGM:

Public Member Functions
	DrawAtlasColorsGM ()
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
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 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 68 of file drawatlascolor.cpp.

Constructor & Destructor Documentation

DrawAtlasColorsGM()

DrawAtlasColorsGM::DrawAtlasColorsGM ( )

inline

Definition at line 70 of file drawatlascolor.cpp.

                        {
        this->setBGColor(0xFFCCCCCC);
    }

Member Function Documentation

getISize()

SkISize DrawAtlasColorsGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 77 of file drawatlascolor.cpp.

                                {
        return SkISize::Make(kNumXferModes * (kAtlasSize + kPad) + kPad,
                             2 * kNumColors * (kAtlasSize + kPad) + kTextPad + kPad);
    }

getName()

SkString DrawAtlasColorsGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 75 of file drawatlascolor.cpp.

{ return SkString("draw-atlas-colors"); }

onDraw()

void DrawAtlasColorsGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 82 of file drawatlascolor.cpp.

                                           {
        const SkRect target = SkRect::MakeWH(SkIntToScalar(kAtlasSize), SkIntToScalar(kAtlasSize));
 
        auto atlas = make_atlas(canvas, kAtlasSize);
 
        const SkBlendMode gModes[] = {
            SkBlendMode::kClear,
            SkBlendMode::kSrc,
            SkBlendMode::kDst,
            SkBlendMode::kSrcOver,
            SkBlendMode::kDstOver,
            SkBlendMode::kSrcIn,
            SkBlendMode::kDstIn,
            SkBlendMode::kSrcOut,
            SkBlendMode::kDstOut,
            SkBlendMode::kSrcATop,
            SkBlendMode::kDstATop,
            SkBlendMode::kXor,
            SkBlendMode::kPlus,
            SkBlendMode::kModulate,
            SkBlendMode::kScreen,
            SkBlendMode::kOverlay,
            SkBlendMode::kDarken,
            SkBlendMode::kLighten,
            SkBlendMode::kColorDodge,
            SkBlendMode::kColorBurn,
            SkBlendMode::kHardLight,
            SkBlendMode::kSoftLight,
            SkBlendMode::kDifference,
            SkBlendMode::kExclusion,
            SkBlendMode::kMultiply,
            SkBlendMode::kHue,
            SkBlendMode::kSaturation,
            SkBlendMode::kColor,
            SkBlendMode::kLuminosity,
        };
 
        SkColor gColors[] = {
            SK_ColorWHITE,
            SK_ColorRED,
            0x88888888,         // transparent grey
            0x88000088          // transparent blue
        };
 
        const int numModes = std::size(gModes);
        SkASSERT(numModes == kNumXferModes);
        const int numColors = std::size(gColors);
        SkASSERT(numColors == kNumColors);
        SkRSXform xforms[numColors];
        SkRect rects[numColors];
        SkColor quadColors[numColors];
 
        SkPaint paint;
        paint.setAntiAlias(true);
 
        for (int i = 0; i < numColors; ++i) {
            xforms[i].set(1.0f, 0.0f, SkIntToScalar(kPad), i*(target.width()+kPad));
            rects[i] = target;
            quadColors[i] = gColors[i];
        }
 
        SkFont font(ToolUtils::DefaultPortableTypeface(), kTextPad);
 
        for (int i = 0; i < numModes; ++i) {
            const char* label = SkBlendMode_Name(gModes[i]);
            canvas->drawString(label, i*(target.width()+kPad)+kPad, SkIntToScalar(kTextPad),
                               font, paint);
        }
 
        for (int i = 0; i < numModes; ++i) {
            canvas->save();
            canvas->translate(SkIntToScalar(i*(target.height()+kPad)),
                              SkIntToScalar(kTextPad+kPad));
            // w/o a paint
            canvas->drawAtlas(atlas.get(), xforms, rects, quadColors, numColors,
                              gModes[i], SkSamplingOptions(), nullptr, nullptr);
            canvas->translate(0.0f, numColors*(target.height()+kPad));
            // w a paint
            canvas->drawAtlas(atlas.get(), xforms, rects, quadColors, numColors,
                              gModes[i], SkSamplingOptions(), nullptr, &paint);
            canvas->restore();
        }
    }

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

• third_party/skia/gm/drawatlascolor.cpp