HardstopGradientShaderGM Class Reference

Inheritance diagram for HardstopGradientShaderGM:

Public Member Functions
	HardstopGradientShaderGM ()
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 SkISize	getISize ()=0
virtual SkString	getName () const =0
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 void	onDraw (SkCanvas *)
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 91 of file hardstop_gradients.cpp.

Constructor & Destructor Documentation

HardstopGradientShaderGM()

HardstopGradientShaderGM::HardstopGradientShaderGM ( )

inline

Definition at line 93 of file hardstop_gradients.cpp.

                               {
 
    }

Member Function Documentation

getISize()

SkISize HardstopGradientShaderGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 100 of file hardstop_gradients.cpp.

{ return SkISize::Make(512, 512); }

getName()

SkString HardstopGradientShaderGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 98 of file hardstop_gradients.cpp.

{ return SkString("hardstop_gradients"); }

onDraw()

void HardstopGradientShaderGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 102 of file hardstop_gradients.cpp.

                                           {
        SkPoint points[2];
 
        SkColor colors[] = {
            SK_ColorRED,
            SK_ColorGREEN,
            SK_ColorBLUE,
            SK_ColorYELLOW,
            SK_ColorMAGENTA,
        };
 
        SkScalar row3[] = {0.00f, 0.25f, 1.00f};
        SkScalar row4[] = {0.00f, 0.25f, 0.50f, 0.50f, 1.00f};
        SkScalar row5[] = {0.00f, 0.50f, 0.50f, 1.00f};
        SkScalar row6[] = {0.00f, 0.00f, 1.00f};
        SkScalar row7[] = {0.00f, 1.00f, 1.00f};
        SkScalar row8[] = {0.00f, 0.30f, 0.30f, 1.00f};
 
        SkScalar* positions[NUM_ROWS] = {
            nullptr,
            nullptr,
            row3,
            row4,
            row5,
            row6,
            row7,
            row8,
        };
 
        int numGradientColors[NUM_ROWS] = {
            2,
            3,
            3,
            5,
            4,
            3,
            3,
            4,
        };
 
        SkTileMode tilemodes[NUM_COLS] = {
            SkTileMode::kClamp,
            SkTileMode::kRepeat,
            SkTileMode::kMirror,
        };
 
        for (int cellRow = 0; cellRow < NUM_ROWS; cellRow++) {
            for (int cellCol = 0; cellCol < NUM_COLS; cellCol++) {
                create_gradient_points(cellRow, cellCol, points);
 
                auto shader = SkGradientShader::MakeLinear(
                                points,
                                colors,
                                positions[cellRow],
                                numGradientColors[cellRow],
                                tilemodes[cellCol],
                                0,
                                nullptr);
 
                shade_rect(canvas, shader, cellRow, cellCol);
            }
        }
    }

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

• third_party/skia/gm/hardstop_gradients.cpp