skiagm::ModeColorFilterGM Class Reference

Inheritance diagram for skiagm::ModeColorFilterGM:

Public Member Functions
	ModeColorFilterGM ()
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 69 of file modecolorfilters.cpp.

Constructor & Destructor Documentation

ModeColorFilterGM()

skiagm::ModeColorFilterGM::ModeColorFilterGM ( )

inline

Definition at line 71 of file modecolorfilters.cpp.

                        {
        this->setBGColor(0xFF303030);
    }

Member Function Documentation

getISize()

SkISize skiagm::ModeColorFilterGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 78 of file modecolorfilters.cpp.

{ return SkISize::Make(WIDTH, HEIGHT); }

getName()

SkString skiagm::ModeColorFilterGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 76 of file modecolorfilters.cpp.

{ return SkString("modecolorfilters"); }

onDraw()

void skiagm::ModeColorFilterGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 80 of file modecolorfilters.cpp.

                                           {
        // size of rect for each test case
        constexpr int kRectWidth  = 20;
        constexpr int kRectHeight = 20;
 
        constexpr int kCheckSize  = 10;
 
        if (!fBmpShader) {
            fBmpShader = make_bg_shader(kCheckSize);
        }
        SkPaint bgPaint;
        bgPaint.setShader(fBmpShader);
        bgPaint.setBlendMode(SkBlendMode::kSrc);
 
        sk_sp<SkShader> shaders[] = {
            nullptr,                                   // use a paint color instead of a shader
            make_solid_shader(),
            make_transparent_shader(),
            make_trans_black_shader(),
        };
 
        // used without shader
        SkColor colors[] = {
            SkColorSetARGB(0xFF, 0xFF, 0xFF, 0xFF),
            SkColorSetARGB(0xFF, 0x00, 0x00, 0x00),
            SkColorSetARGB(0x00, 0x00, 0x00, 0x00),
            SkColorSetARGB(0xFF, 0x10, 0x20, 0x42),
            SkColorSetARGB(0xA0, 0x20, 0x30, 0x90),
        };
 
        // used with shaders
        SkColor alphas[] = {0xFFFFFFFF, 0x80808080};
 
        const SkBlendMode modes[]  = { // currently just doing the Modes expressible as Coeffs
            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,
        };
 
        SkPaint paint;
        int idx = 0;
        const int kRectsPerRow = std::max(this->getISize().fWidth / kRectWidth, 1);
        for (size_t cfm = 0; cfm < std::size(modes); ++cfm) {
            for (size_t cfc = 0; cfc < std::size(colors); ++cfc) {
                paint.setColorFilter(SkColorFilters::Blend(colors[cfc], modes[cfm]));
                for (size_t s = 0; s < std::size(shaders); ++s) {
                    paint.setShader(shaders[s]);
                    bool hasShader = nullptr == paint.getShader();
                    int paintColorCnt = hasShader ? std::size(alphas) : std::size(colors);
                    SkColor* paintColors = hasShader ? alphas : colors;
                    for (int pc = 0; pc < paintColorCnt; ++pc) {
                        paint.setColor(paintColors[pc]);
                        SkScalar x = SkIntToScalar(idx % kRectsPerRow);
                        SkScalar y = SkIntToScalar(idx / kRectsPerRow);
                        SkRect rect = SkRect::MakeXYWH(x * kRectWidth, y * kRectHeight,
                                                       SkIntToScalar(kRectWidth),
                                                       SkIntToScalar(kRectHeight));
                        canvas->saveLayer(&rect, nullptr);
                        canvas->drawRect(rect, bgPaint);
                        canvas->drawRect(rect, paint);
                        canvas->restore();
                        ++idx;
                    }
                }
            }
        }
    }

---

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

• third_party/skia/gm/modecolorfilters.cpp