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

Public Member Functions

 LatticeGM ()
 
- 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 onDrawHelper (GrDirectContext *dContext, SkCanvas *canvas, int padLeft, int padTop, int padRight, int padBottom)
 
DrawResult onDraw (SkCanvas *canvas, SkString *errorMsg) 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

This is similar to NinePatchStretchGM, but it also tests "ninepatch" images with more than nine patches.

Definition at line 94 of file lattice.cpp.

Constructor & Destructor Documentation

◆ LatticeGM()

LatticeGM::LatticeGM ( )
inline

Definition at line 96 of file lattice.cpp.

96{}

Member Function Documentation

◆ getISize()

SkISize LatticeGM::getISize ( )
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 101 of file lattice.cpp.

101{ return SkISize::Make(800, 800); }
SkISize::Make
static constexpr SkISize Make(int32_t w, int32_t h)
Definition: SkSize.h:20

◆ getName()

SkString LatticeGM::getName ( ) const
inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 99 of file lattice.cpp.

99{ return SkString("lattice"); }

◆ onDraw()

DrawResult LatticeGM::onDraw ( SkCanvas *  canvas,
SkString *  errorMsg 
)
inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 206 of file lattice.cpp.

206 {
207 auto rContext = canvas->recordingContext();
208 auto dContext = GrAsDirectContext(rContext);
209 if (rContext && !dContext) {
210 *errorMsg = "not supported in ddl";
211 return DrawResult::kSkip;
212 }
213 this->onDrawHelper(dContext, canvas, 0, 0, 0, 0);
214 canvas->translate(0.0f, 400.0f);
215 this->onDrawHelper(dContext, canvas, 3, 7, 4, 11);
216 return DrawResult::kOk;
217 }
GrAsDirectContext
static GrDirectContext * GrAsDirectContext(GrContext_Base *base)
Definition: GrRecordingContext.h:281
LatticeGM::onDrawHelper
void onDrawHelper(GrDirectContext *dContext, SkCanvas *canvas, int padLeft, int padTop, int padRight, int padBottom)
Definition: lattice.cpp:103
SkCanvas::translate
void translate(SkScalar dx, SkScalar dy)
Definition: SkCanvas.cpp:1278
SkCanvas::recordingContext
virtual GrRecordingContext * recordingContext() const
Definition: SkCanvas.cpp:1637

◆ onDrawHelper()

void LatticeGM::onDrawHelper ( GrDirectContext *  dContext,
SkCanvas *  canvas,
int  padLeft,
int  padTop,
int  padRight,
int  padBottom 
)
inlineprotected

Definition at line 103 of file lattice.cpp.

104 {
105 canvas->save();
106
107 int xDivs[5];
108 int yDivs[5];
109 xDivs[0] = padLeft;
110 yDivs[0] = padTop;
111
112 SkBitmap bitmap;
113 sk_sp<SkImage> image = make_image(canvas, xDivs + 1, yDivs + 1, padLeft, padTop,
114 padRight, padBottom);
115 image_to_bitmap(dContext, image.get(), &bitmap);
116
117 const SkSize size[] = {
118 { 50, 50, }, // shrink in both axes
119 { 50, 200, }, // shrink in X
120 { 200, 50, }, // shrink in Y
121 { 200, 200, },
122 };
123
124 canvas->drawImage(image, 10, 10);
125
126 SkScalar x = SkIntToScalar(100);
127 SkScalar y = SkIntToScalar(100);
128
129 SkCanvas::Lattice lattice;
130 lattice.fXCount = 4;
131 lattice.fXDivs = xDivs + 1;
132 lattice.fYCount = 4;
133 lattice.fYDivs = yDivs + 1;
134 lattice.fRectTypes = nullptr;
135 lattice.fColors = nullptr;
136
137 SkIRect bounds = SkIRect::MakeLTRB(padLeft, padTop,
138 image->width() - padRight, image->height() - padBottom);
139 lattice.fBounds = (bounds == SkIRect::MakeWH(image->width(), image->height())) ?
140 nullptr : &bounds;
141
142 for (int iy = 0; iy < 2; ++iy) {
143 for (int ix = 0; ix < 2; ++ix) {
144 int i = ix * 2 + iy;
145 SkRect r = SkRect::MakeXYWH(x + ix * 60, y + iy * 60,
146 size[i].width(), size[i].height());
147 canvas->drawImageLattice(image.get(), lattice, r);
148 }
149 }
150
151 // Provide hints about 3 solid color rects. These colors match
152 // what was already in the bitmap.
153 int fixedColorX[3] = {2, 4, 1};
154 int fixedColorY[3] = {1, 1, 2};
155 SkColor fixedColor[3] = {SK_ColorBLACK, SK_ColorBLACK, SK_ColorBLACK};
156 const SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType,
157 kUnpremul_SkAlphaType);
158 for (int rectNum = 0; rectNum < 3; rectNum++) {
159 int srcX = xDivs[fixedColorX[rectNum]-1];
160 int srcY = yDivs[fixedColorY[rectNum]-1];
161 image->readPixels(dContext, info, &fixedColor[rectNum], 4, srcX, srcY);
162 }
163
164 // Include the degenerate first div. While normally the first patch is "scalable",
165 // this will mean that the first non-degenerate patch is "fixed".
166 lattice.fXCount = 5;
167 lattice.fXDivs = xDivs;
168 lattice.fYCount = 5;
169 lattice.fYDivs = yDivs;
170
171 // Let's skip a few rects.
172 SkCanvas::Lattice::RectType flags[36];
173 sk_bzero(flags, 36 * sizeof(SkCanvas::Lattice::RectType));
174 flags[4] = SkCanvas::Lattice::kTransparent;
175 flags[9] = SkCanvas::Lattice::kTransparent;
176 flags[12] = SkCanvas::Lattice::kTransparent;
177 flags[19] = SkCanvas::Lattice::kTransparent;
178 for (int rectNum = 0; rectNum < 3; rectNum++) {
179 flags[fixedColorY[rectNum]*6 + fixedColorX[rectNum]]
180 = SkCanvas::Lattice::kFixedColor;
181 }
182 lattice.fRectTypes = flags;
183
184 SkColor colors[36];
185 sk_bzero(colors, 36 * sizeof(SkColor));
186 for (int rectNum = 0; rectNum < 3; rectNum++) {
187 colors[fixedColorY[rectNum]*6 + fixedColorX[rectNum]]
188 = fixedColor[rectNum];
189 }
190
191 lattice.fColors = colors;
192
193 canvas->translate(400, 0);
194 for (int iy = 0; iy < 2; ++iy) {
195 for (int ix = 0; ix < 2; ++ix) {
196 int i = ix * 2 + iy;
197 SkRect r = SkRect::MakeXYWH(x + ix * 60, y + iy * 60,
198 size[i].width(), size[i].height());
199 canvas->drawImageLattice(image.get(), lattice, r);
200 }
201 }
202
203 canvas->restore();
204 }
info
static void info(const char *fmt,...) SK_PRINTF_LIKE(1
Definition: DM.cpp:213
sk_bzero
sk_bzero(glyphs, sizeof(glyphs))
kUnpremul_SkAlphaType
kUnpremul_SkAlphaType
Definition: ReadPixBench.cpp:58
kBGRA_8888_SkColorType
@ kBGRA_8888_SkColorType
pixel with 8 bits for blue, green, red, alpha; in 32-bit word
Definition: SkColorType.h:26
SkColor
uint32_t SkColor
Definition: SkColor.h:37
SK_ColorBLACK
constexpr SkColor SK_ColorBLACK
Definition: SkColor.h:103
SkIntToScalar
#define SkIntToScalar(x)
Definition: SkScalar.h:57
SkCanvas::restore
void restore()
Definition: SkCanvas.cpp:461
SkCanvas::drawImageLattice
void drawImageLattice(const SkImage *image, const Lattice &lattice, const SkRect &dst, SkFilterMode filter, const SkPaint *paint=nullptr)
Definition: SkCanvas.cpp:1786
SkCanvas::save
int save()
Definition: SkCanvas.cpp:447
SkCanvas::drawImage
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition: SkCanvas.h:1528
SkImage::readPixels
bool readPixels(GrDirectContext *context, const SkImageInfo &dstInfo, void *dstPixels, size_t dstRowBytes, int srcX, int srcY, CachingHint cachingHint=kAllow_CachingHint) const
Definition: SkImage.cpp:42
SkImage::width
int width() const
Definition: SkImage.h:285
SkImage::height
int height() const
Definition: SkImage.h:291
sk_sp< SkImage >
sk_sp::get
T * get() const
Definition: SkRefCnt.h:303
skiagm::GM::width
SkScalar width()
Definition: gm.h:159
skiagm::GM::height
SkScalar height()
Definition: gm.h:162
SkScalar
float SkScalar
Definition: extension.cpp:12
flags
FlutterSemanticsFlag flags
Definition: fl_accessible_node.cc:106
i
int i
Definition: fl_socket_accessible.cc:18
image_to_bitmap
static void image_to_bitmap(GrDirectContext *dContext, const SkImage *image, SkBitmap *bm)
Definition: lattice.cpp:84
make_image
static sk_sp< SkImage > make_image(SkCanvas *root, int *xDivs, int *yDivs, int padLeft, int padTop, int padRight, int padBottom)
Definition: lattice.cpp:32
y
double y
Definition: mouse-input-test.cc:83
x
double x
Definition: mouse-input-test.cc:82
SkRecords::bounds
Optional< SkRect > bounds
Definition: SkRecords.h:189
SkRecords::image
sk_sp< const SkImage > image
Definition: SkRecords.h:269
SkRecords::xDivs
PODArray< int > xDivs
Definition: SkRecords.h:271
SkRecords::colors
PODArray< SkColor > colors
Definition: SkRecords.h:276
SkRecords::yDivs
PODArray< int > yDivs
Definition: SkRecords.h:273
bitmap
Definition: bitmap.py:1
flutter::size
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Definition: switches.h:259
SkCanvas::Lattice::fYCount
int fYCount
number of y-coordinates
Definition: SkCanvas.h:1617
SkCanvas::Lattice::fBounds
const SkIRect * fBounds
source bounds to draw from
Definition: SkCanvas.h:1618
SkCanvas::Lattice::kFixedColor
@ kFixedColor
draws one of fColors into lattice rectangle
Definition: SkCanvas.h:1610
SkCanvas::Lattice::kTransparent
@ kTransparent
skips lattice rectangle by making it transparent
Definition: SkCanvas.h:1609
SkCanvas::Lattice::fYDivs
const int * fYDivs
y-axis values dividing bitmap
Definition: SkCanvas.h:1614
SkCanvas::Lattice::fXCount
int fXCount
number of x-coordinates
Definition: SkCanvas.h:1616
SkCanvas::Lattice::fRectTypes
const RectType * fRectTypes
array of fill types
Definition: SkCanvas.h:1615
SkCanvas::Lattice::fColors
const SkColor * fColors
array of colors
Definition: SkCanvas.h:1619
SkCanvas::Lattice::fXDivs
const int * fXDivs
x-axis values dividing bitmap
Definition: SkCanvas.h:1613
SkIRect
Definition: SkRect.h:32
SkIRect::MakeLTRB
static constexpr SkIRect MakeLTRB(int32_t l, int32_t t, int32_t r, int32_t b)
Definition: SkRect.h:91
SkIRect::MakeWH
static constexpr SkIRect MakeWH(int32_t w, int32_t h)
Definition: SkRect.h:56
SkImageInfo::Make
static SkImageInfo Make(int width, int height, SkColorType ct, SkAlphaType at)
Definition: SkImageInfo.cpp:127
SkRect::MakeXYWH
static constexpr SkRect MakeXYWH(float x, float y, float w, float h)
Definition: SkRect.h:659
SkSize
Definition: SkSize.h:52
The documentation for this class was generated from the following file:
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