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skiagm::XfermodeImageFilterGM Class Reference
Inheritance diagram for skiagm::XfermodeImageFilterGM:
skiagm::GM

Public Member Functions

 XfermodeImageFilterGM ()
 
- 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 onOnceBeforeDraw () 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 34 of file xfermodeimagefilter.cpp.

Constructor & Destructor Documentation

◆ XfermodeImageFilterGM()

skiagm::XfermodeImageFilterGM::XfermodeImageFilterGM ( )
inline

Definition at line 36 of file xfermodeimagefilter.cpp.

36 {
37 this->setBGColor(0xFF000000);
38 }
skiagm::GM::setBGColor
void setBGColor(SkColor)
Definition: gm.cpp:159

Member Function Documentation

◆ getISize()

SkISize skiagm::XfermodeImageFilterGM::getISize ( )
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 43 of file xfermodeimagefilter.cpp.

43{ return SkISize::Make(WIDTH, HEIGHT); }
SkISize::Make
static constexpr SkISize Make(int32_t w, int32_t h)
Definition: SkSize.h:20
WIDTH
#define WIDTH
Definition: xfermodeimagefilter.cpp:28
HEIGHT
#define HEIGHT
Definition: xfermodeimagefilter.cpp:29

◆ getName()

SkString skiagm::XfermodeImageFilterGM::getName ( ) const
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 41 of file xfermodeimagefilter.cpp.

41{ return SkString("xfermodeimagefilter"); }

◆ onDraw()

void skiagm::XfermodeImageFilterGM::onDraw ( SkCanvas *  canvas)
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 51 of file xfermodeimagefilter.cpp.

51 {
52 canvas->clear(SK_ColorBLACK);
53 SkPaint paint;
54
55 const SkBlendMode gModes[] = {
56 SkBlendMode::kClear,
57 SkBlendMode::kSrc,
58 SkBlendMode::kDst,
59 SkBlendMode::kSrcOver,
60 SkBlendMode::kDstOver,
61 SkBlendMode::kSrcIn,
62 SkBlendMode::kDstIn,
63 SkBlendMode::kSrcOut,
64 SkBlendMode::kDstOut,
65 SkBlendMode::kSrcATop,
66 SkBlendMode::kDstATop,
67 SkBlendMode::kXor,
68
69 SkBlendMode::kPlus,
70 SkBlendMode::kModulate,
71 SkBlendMode::kScreen,
72 SkBlendMode::kOverlay,
73 SkBlendMode::kDarken,
74 SkBlendMode::kLighten,
75 SkBlendMode::kColorDodge,
76 SkBlendMode::kColorBurn,
77 SkBlendMode::kHardLight,
78 SkBlendMode::kSoftLight,
79 SkBlendMode::kDifference,
80 SkBlendMode::kExclusion,
81 SkBlendMode::kMultiply,
82 SkBlendMode::kHue,
83 SkBlendMode::kSaturation,
84 SkBlendMode::kColor,
85 SkBlendMode::kLuminosity,
86 };
87
88 int x = 0, y = 0;
89 sk_sp<SkImageFilter> background(SkImageFilters::Image(fCheckerboard,
90 SkFilterMode::kNearest));
91 for (size_t i = 0; i < std::size(gModes); i++) {
92 paint.setImageFilter(SkImageFilters::Blend(gModes[i], background));
93 DrawClippedBitmap(canvas, fBitmap, paint, x, y);
94 x += fBitmap.width() + MARGIN;
95 if (x + fBitmap.width() > WIDTH) {
96 x = 0;
97 y += fBitmap.height() + MARGIN;
98 }
99 }
100 // Test arithmetic mode as image filter
101 paint.setImageFilter(SkImageFilters::Arithmetic(0, 1, 1, 0, true, background, nullptr));
102 DrawClippedBitmap(canvas, fBitmap, paint, x, y);
103 x += fBitmap.width() + MARGIN;
104 if (x + fBitmap.width() > WIDTH) {
105 x = 0;
106 y += fBitmap.height() + MARGIN;
107 }
108 // Test nullptr mode
109 paint.setImageFilter(SkImageFilters::Blend(SkBlendMode::kSrcOver, background));
110 DrawClippedBitmap(canvas, fBitmap, paint, x, y);
111 x += fBitmap.width() + MARGIN;
112 if (x + fBitmap.width() > WIDTH) {
113 x = 0;
114 y += fBitmap.height() + MARGIN;
115 }
116 SkRect clipRect = SkRect::MakeWH(SkIntToScalar(fBitmap.width() + 4),
117 SkIntToScalar(fBitmap.height() + 4));
118 // Test offsets on SrcMode (uses fixed-function blend)
119 sk_sp<SkImage> bitmapImage(fBitmap.asImage());
120 sk_sp<SkImageFilter> foreground(SkImageFilters::Image(std::move(bitmapImage),
121 SkFilterMode::kNearest));
122 sk_sp<SkImageFilter> offsetForeground(SkImageFilters::Offset(4, -4, foreground));
123 sk_sp<SkImageFilter> offsetBackground(SkImageFilters::Offset(4, 4, background));
124 paint.setImageFilter(SkImageFilters::Blend(
125 SkBlendMode::kSrcOver, offsetBackground, offsetForeground));
126 DrawClippedPaint(canvas, clipRect, paint, x, y);
127 x += fBitmap.width() + MARGIN;
128 if (x + fBitmap.width() > WIDTH) {
129 x = 0;
130 y += fBitmap.height() + MARGIN;
131 }
132 // Test offsets on Darken (uses shader blend)
133 paint.setImageFilter(SkImageFilters::Blend(
134 SkBlendMode::kDarken, offsetBackground, offsetForeground));
135 DrawClippedPaint(canvas, clipRect, paint, x, y);
136 x += fBitmap.width() + MARGIN;
137 if (x + fBitmap.width() > WIDTH) {
138 x = 0;
139 y += fBitmap.height() + MARGIN;
140 }
141 // Test cropping
142 constexpr size_t nbSamples = 3;
143 const SkBlendMode sampledModes[nbSamples] = {
144 SkBlendMode::kOverlay, SkBlendMode::kSrcOver, SkBlendMode::kPlus
145 };
146 int offsets[nbSamples][4] = {{ 10, 10, -16, -16},
147 { 10, 10, 10, 10},
148 {-10, -10, -6, -6}};
149 for (size_t i = 0; i < nbSamples; ++i) {
150 SkIRect cropRect = SkIRect::MakeXYWH(offsets[i][0],
151 offsets[i][1],
152 fBitmap.width() + offsets[i][2],
153 fBitmap.height() + offsets[i][3]);
154 paint.setImageFilter(SkImageFilters::Blend(sampledModes[i], offsetBackground,
155 offsetForeground, &cropRect));
156 DrawClippedPaint(canvas, clipRect, paint, x, y);
157 x += fBitmap.width() + MARGIN;
158 if (x + fBitmap.width() > WIDTH) {
159 x = 0;
160 y += fBitmap.height() + MARGIN;
161 }
162 }
163 // Test small bg, large fg with Screen (uses shader blend)
164 SkIRect cropRect = SkIRect::MakeXYWH(10, 10, 60, 60);
165 sk_sp<SkImageFilter> cropped(SkImageFilters::Offset(0, 0, foreground, &cropRect));
166 paint.setImageFilter(SkImageFilters::Blend(SkBlendMode::kScreen, cropped, background));
167 DrawClippedPaint(canvas, clipRect, paint, x, y);
168 x += fBitmap.width() + MARGIN;
169 if (x + fBitmap.width() > WIDTH) {
170 x = 0;
171 y += fBitmap.height() + MARGIN;
172 }
173 // Test small fg, large bg with Screen (uses shader blend)
174 paint.setImageFilter(SkImageFilters::Blend(SkBlendMode::kScreen, background, cropped));
175 DrawClippedPaint(canvas, clipRect, paint, x, y);
176 x += fBitmap.width() + MARGIN;
177 if (x + fBitmap.width() > WIDTH) {
178 x = 0;
179 y += fBitmap.height() + MARGIN;
180 }
181 // Test small fg, large bg with SrcIn with a crop that forces it to full size.
182 // This tests that SkXfermodeImageFilter correctly applies the compositing mode to
183 // the region outside the foreground.
184 SkIRect cropRectFull = SkIRect::MakeXYWH(0, 0, 80, 80);
185 paint.setImageFilter(SkImageFilters::Blend(SkBlendMode::kSrcIn, background, cropped,
186 &cropRectFull));
187 DrawClippedPaint(canvas, clipRect, paint, x, y);
188 x += fBitmap.width() + MARGIN;
189 if (x + fBitmap.width() > WIDTH) {
190 x = 0;
191 y += fBitmap.height() + MARGIN;
192 }
193 }
SkBlendMode
SkBlendMode
Definition: SkBlendMode.h:38
SkBlendMode::kSrcOut
@ kSrcOut
r = s * (1-da)
SkBlendMode::kExclusion
@ kExclusion
rc = s + d - two(s*d), ra = kSrcOver
SkBlendMode::kSaturation
@ kSaturation
saturation of source with hue and luminosity of destination
SkBlendMode::kColorBurn
@ kColorBurn
darken destination to reflect source
SkBlendMode::kPlus
@ kPlus
r = min(s + d, 1)
SkBlendMode::kLighten
@ kLighten
rc = s + d - min(s*da, d*sa), ra = kSrcOver
SkBlendMode::kHue
@ kHue
hue of source with saturation and luminosity of destination
SkBlendMode::kDstIn
@ kDstIn
r = d * sa
SkBlendMode::kModulate
@ kModulate
r = s*d
SkBlendMode::kMultiply
@ kMultiply
r = s*(1-da) + d*(1-sa) + s*d
SkBlendMode::kColorDodge
@ kColorDodge
brighten destination to reflect source
SkBlendMode::kScreen
@ kScreen
r = s + d - s*d
SkBlendMode::kSrcOver
@ kSrcOver
r = s + (1-sa)*d
SkBlendMode::kXor
@ kXor
r = s*(1-da) + d*(1-sa)
SkBlendMode::kLuminosity
@ kLuminosity
luminosity of source with hue and saturation of destination
SkBlendMode::kSoftLight
@ kSoftLight
lighten or darken, depending on source
SkBlendMode::kDifference
@ kDifference
rc = s + d - 2*(min(s*da, d*sa)), ra = kSrcOver
SkBlendMode::kOverlay
@ kOverlay
multiply or screen, depending on destination
SkBlendMode::kSrcATop
@ kSrcATop
r = s*da + d*(1-sa)
SkBlendMode::kDstATop
@ kDstATop
r = d*sa + s*(1-da)
SkBlendMode::kDstOver
@ kDstOver
r = d + (1-da)*s
SkBlendMode::kColor
@ kColor
hue and saturation of source with luminosity of destination
SkBlendMode::kHardLight
@ kHardLight
multiply or screen, depending on source
SkBlendMode::kDstOut
@ kDstOut
r = d * (1-sa)
SkBlendMode::kDarken
@ kDarken
rc = s + d - max(s*da, d*sa), ra = kSrcOver
SkBlendMode::kSrcIn
@ kSrcIn
r = s * da
SkBlendMode::kClear
@ kClear
r = 0
SK_ColorBLACK
constexpr SkColor SK_ColorBLACK
Definition: SkColor.h:103
SkIntToScalar
#define SkIntToScalar(x)
Definition: SkScalar.h:57
gModes
constexpr SkBlendMode gModes[]
Definition: aarectmodes.cpp:73
SkBitmap::asImage
sk_sp< SkImage > asImage() const
Definition: SkBitmap.cpp:645
SkBitmap::width
int width() const
Definition: SkBitmap.h:149
SkBitmap::height
int height() const
Definition: SkBitmap.h:158
SkCanvas::clear
void clear(SkColor color)
Definition: SkCanvas.h:1199
SkImageFilters::Arithmetic
static sk_sp< SkImageFilter > Arithmetic(SkScalar k1, SkScalar k2, SkScalar k3, SkScalar k4, bool enforcePMColor, sk_sp< SkImageFilter > background, sk_sp< SkImageFilter > foreground, const CropRect &cropRect={})
Definition: SkBlendImageFilter.cpp:151
SkImageFilters::Image
static sk_sp< SkImageFilter > Image(sk_sp< SkImage > image, const SkRect &srcRect, const SkRect &dstRect, const SkSamplingOptions &sampling)
Definition: SkImageImageFilter.cpp:77
SkImageFilters::Blend
static sk_sp< SkImageFilter > Blend(SkBlendMode mode, sk_sp< SkImageFilter > background, sk_sp< SkImageFilter > foreground=nullptr, const CropRect &cropRect={})
Definition: SkBlendImageFilter.cpp:134
SkImageFilters::Offset
static sk_sp< SkImageFilter > Offset(SkScalar dx, SkScalar dy, sk_sp< SkImageFilter > input, const CropRect &cropRect={})
Definition: SkMatrixTransformImageFilter.cpp:85
sk_sp< SkImageFilter >
paint
const Paint & paint
Definition: color_source.cc:38
i
int i
Definition: fl_socket_accessible.cc:18
y
double y
Definition: mouse-input-test.cc:83
x
double x
Definition: mouse-input-test.cc:82
SkRecords::clipRect
clipRect(r.rect, r.opAA.op(), r.opAA.aa())) template<> void Draw
Definition: SkRecordDraw.cpp:125
flutter::size
it will be possible to load the file into Perfetto s trace viewer disable asset Prevents usage of any non test fonts unless they were explicitly Loaded via prefetched default font Indicates whether the embedding started a prefetch of the default font manager before creating the engine run In non interactive keep the shell running after the Dart script has completed enable serial On low power devices with low core running concurrent GC tasks on threads can cause them to contend with the UI thread which could potentially lead to jank This option turns off all concurrent GC activities domain network JSON encoded network policy per domain This overrides the DisallowInsecureConnections switch Embedder can specify whether to allow or disallow insecure connections at a domain level old gen heap size
Definition: switches.h:259
mskp_parser.offsets
list offsets
Definition: mskp_parser.py:37
SkIRect
Definition: SkRect.h:32
SkIRect::MakeXYWH
static constexpr SkIRect MakeXYWH(int32_t x, int32_t y, int32_t w, int32_t h)
Definition: SkRect.h:104
SkRect::MakeWH
static constexpr SkRect MakeWH(float w, float h)
Definition: SkRect.h:609
MARGIN
#define MARGIN
Definition: xfermodeimagefilter.cpp:30

◆ onOnceBeforeDraw()

void skiagm::XfermodeImageFilterGM::onOnceBeforeDraw ( )
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 45 of file xfermodeimagefilter.cpp.

45 {
46 fBitmap = ToolUtils::CreateStringBitmap(80, 80, 0xD000D000, 15, 65, 96, "e");
47
48 fCheckerboard = ToolUtils::create_checkerboard_image(80, 80, 0xFFA0A0A0, 0xFF404040, 8);
49 }
ToolUtils::CreateStringBitmap
SkBitmap CreateStringBitmap(int w, int h, SkColor c, int x, int y, int textSize, const char *str)
Definition: FontToolUtils.cpp:206
ToolUtils::create_checkerboard_image
sk_sp< SkImage > create_checkerboard_image(int w, int h, SkColor c1, SkColor c2, int checkSize)
Definition: ToolUtils.cpp:168
The documentation for this class was generated from the following file:
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