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1 /* | |
2 * Copyright 2013 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "SkBitmap.h" | |
9 #include "SkBitmapDevice.h" | |
10 #include "SkBlurImageFilter.h" | |
11 #include "SkCanvas.h" | |
12 #include "SkColorFilterImageFilter.h" | |
13 #include "SkColorMatrixFilter.h" | |
14 #include "SkComposeImageFilter.h" | |
15 #include "SkDisplacementMapEffect.h" | |
16 #include "SkDropShadowImageFilter.h" | |
17 #include "SkFlattenableSerialization.h" | |
18 #include "SkGradientShader.h" | |
19 #include "SkImage.h" | |
20 #include "SkImageSource.h" | |
21 #include "SkLightingImageFilter.h" | |
22 #include "SkMatrixConvolutionImageFilter.h" | |
23 #include "SkMergeImageFilter.h" | |
24 #include "SkMorphologyImageFilter.h" | |
25 #include "SkOffsetImageFilter.h" | |
26 #include "SkPaintImageFilter.h" | |
27 #include "SkPerlinNoiseShader.h" | |
28 #include "SkPicture.h" | |
29 #include "SkPictureImageFilter.h" | |
30 #include "SkPictureRecorder.h" | |
31 #include "SkPoint3.h" | |
32 #include "SkReadBuffer.h" | |
33 #include "SkRect.h" | |
34 #include "SkSpecialImage.h" | |
35 #include "SkSpecialSurface.h" | |
36 #include "SkSurface.h" | |
37 #include "SkTableColorFilter.h" | |
38 #include "SkTileImageFilter.h" | |
39 #include "SkXfermodeImageFilter.h" | |
40 #include "Test.h" | |
41 #include "TestingSpecialImageAccess.h" | |
42 | |
43 #if SK_SUPPORT_GPU | |
44 #include "GrContext.h" | |
45 #include "SkGpuDevice.h" | |
46 #endif | |
47 | |
48 static const int kBitmapSize = 4; | |
49 | |
50 namespace { | |
51 | |
52 class MatrixTestImageFilter : public SkImageFilter { | |
53 public: | |
54 static sk_sp<SkImageFilter> Make(skiatest::Reporter* reporter, | |
55 const SkMatrix& expectedMatrix) { | |
56 return sk_sp<SkImageFilter>(new MatrixTestImageFilter(reporter, expected
Matrix)); | |
57 } | |
58 | |
59 SK_TO_STRING_OVERRIDE() | |
60 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(MatrixTestImageFilter) | |
61 | |
62 protected: | |
63 sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context& c
tx, | |
64 SkIPoint* offset) const override { | |
65 REPORTER_ASSERT(fReporter, ctx.ctm() == fExpectedMatrix); | |
66 offset->fX = offset->fY = 0; | |
67 return sk_ref_sp<SkSpecialImage>(source); | |
68 } | |
69 | |
70 void flatten(SkWriteBuffer& buffer) const override { | |
71 this->INHERITED::flatten(buffer); | |
72 buffer.writeFunctionPtr(fReporter); | |
73 buffer.writeMatrix(fExpectedMatrix); | |
74 } | |
75 | |
76 private: | |
77 MatrixTestImageFilter(skiatest::Reporter* reporter, const SkMatrix& expected
Matrix) | |
78 : INHERITED(nullptr, 0, nullptr) | |
79 , fReporter(reporter) | |
80 , fExpectedMatrix(expectedMatrix) { | |
81 } | |
82 | |
83 skiatest::Reporter* fReporter; | |
84 SkMatrix fExpectedMatrix; | |
85 | |
86 typedef SkImageFilter INHERITED; | |
87 }; | |
88 | |
89 class FailImageFilter : public SkImageFilter { | |
90 public: | |
91 FailImageFilter() : SkImageFilter(0, nullptr) { | |
92 } | |
93 | |
94 sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, | |
95 const Context& ctx, | |
96 SkIPoint* offset) const override { | |
97 return nullptr; | |
98 } | |
99 | |
100 SK_TO_STRING_OVERRIDE() | |
101 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(FailImageFilter) | |
102 | |
103 private: | |
104 typedef SkImageFilter INHERITED; | |
105 }; | |
106 | |
107 sk_sp<SkFlattenable> FailImageFilter::CreateProc(SkReadBuffer& buffer) { | |
108 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0); | |
109 return sk_sp<SkFlattenable>(new FailImageFilter()); | |
110 } | |
111 | |
112 #ifndef SK_IGNORE_TO_STRING | |
113 void FailImageFilter::toString(SkString* str) const { | |
114 str->appendf("FailImageFilter: ("); | |
115 str->append(")"); | |
116 } | |
117 #endif | |
118 | |
119 void draw_gradient_circle(SkCanvas* canvas, int width, int height) { | |
120 SkScalar x = SkIntToScalar(width / 2); | |
121 SkScalar y = SkIntToScalar(height / 2); | |
122 SkScalar radius = SkMinScalar(x, y) * 0.8f; | |
123 canvas->clear(0x00000000); | |
124 SkColor colors[2]; | |
125 colors[0] = SK_ColorWHITE; | |
126 colors[1] = SK_ColorBLACK; | |
127 sk_sp<SkShader> shader( | |
128 SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, colors, nullpt
r, 2, | |
129 SkShader::kClamp_TileMode) | |
130 ); | |
131 SkPaint paint; | |
132 paint.setShader(shader); | |
133 canvas->drawCircle(x, y, radius, paint); | |
134 } | |
135 | |
136 SkBitmap make_gradient_circle(int width, int height) { | |
137 SkBitmap bitmap; | |
138 bitmap.allocN32Pixels(width, height); | |
139 SkCanvas canvas(bitmap); | |
140 draw_gradient_circle(&canvas, width, height); | |
141 return bitmap; | |
142 } | |
143 | |
144 class FilterList { | |
145 public: | |
146 FilterList(sk_sp<SkImageFilter> input, const SkImageFilter::CropRect* cropRe
ct = nullptr) { | |
147 SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1); | |
148 SkScalar kernel[9] = { | |
149 SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), | |
150 SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1), | |
151 SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), | |
152 }; | |
153 const SkISize kernelSize = SkISize::Make(3, 3); | |
154 const SkScalar gain = SK_Scalar1, bias = 0; | |
155 const SkScalar five = SkIntToScalar(5); | |
156 | |
157 SkMatrix matrix; | |
158 | |
159 matrix.setTranslate(SK_Scalar1, SK_Scalar1); | |
160 matrix.postRotate(SkIntToScalar(45), SK_Scalar1, SK_Scalar1); | |
161 | |
162 { | |
163 sk_sp<SkColorFilter> cf(SkColorFilter::MakeModeFilter(SK_ColorRED, | |
164 SkXfermode::kS
rcIn_Mode)); | |
165 | |
166 this->addFilter("color filter", | |
167 SkColorFilterImageFilter::Create(cf.get(), input.get(), cropRect
)); | |
168 } | |
169 | |
170 { | |
171 sk_sp<SkImage> gradientImage(SkImage::MakeFromBitmap(make_gradient_c
ircle(64, 64))); | |
172 sk_sp<SkImageFilter> gradientSource(SkImageSource::Make(std::move(gr
adientImage))); | |
173 | |
174 this->addFilter("displacement map", SkDisplacementMapEffect::Create( | |
175 SkDisplacementMapEffect::kR_ChannelSelectorType, | |
176 SkDisplacementMapEffect::kB_ChannelSelectorType, | |
177 20.0f, gradientSource.get(), input.get(), cropRect)); | |
178 } | |
179 | |
180 this->addFilter("blur", SkBlurImageFilter::Make(SK_Scalar1, | |
181 SK_Scalar1, | |
182 input, | |
183 cropRect).release()); | |
184 this->addFilter("drop shadow", SkDropShadowImageFilter::Create( | |
185 SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_ColorGREEN, | |
186 SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, | |
187 input.get(), cropRect)); | |
188 this->addFilter("diffuse lighting", SkLightingImageFilter::CreatePointLi
tDiffuse( | |
189 location, SK_ColorGREEN, 0, 0, input.get(), cropRect)); | |
190 this->addFilter("specular lighting", | |
191 SkLightingImageFilter::CreatePointLitSpecular(location, SK_Col
orGREEN, 0, 0, 0, | |
192 input.get(), cro
pRect)); | |
193 this->addFilter("matrix convolution", | |
194 SkMatrixConvolutionImageFilter::Create( | |
195 kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1), | |
196 SkMatrixConvolutionImageFilter::kRepeat_TileMode, false, | |
197 input.get(), cropRect)); | |
198 this->addFilter("merge", SkMergeImageFilter::Make(input, input, | |
199 SkXfermode::kSrcOver_M
ode, | |
200 cropRect).release()); | |
201 { | |
202 SkPaint greenColorShaderPaint; | |
203 greenColorShaderPaint.setShader(SkShader::MakeColorShader(SK_ColorGR
EEN)); | |
204 | |
205 SkImageFilter::CropRect leftSideCropRect(SkRect::MakeXYWH(0, 0, 32,
64)); | |
206 sk_sp<SkImageFilter> paintFilterLeft(SkPaintImageFilter::Make(greenC
olorShaderPaint, | |
207 &leftS
ideCropRect)); | |
208 SkImageFilter::CropRect rightSideCropRect(SkRect::MakeXYWH(32, 0, 32
, 64)); | |
209 sk_sp<SkImageFilter> paintFilterRight(SkPaintImageFilter::Make(green
ColorShaderPaint, | |
210 &righ
tSideCropRect)); | |
211 | |
212 | |
213 this->addFilter("merge with disjoint inputs", SkMergeImageFilter::Ma
ke( | |
214 std::move(paintFilterLeft), std::move(paintFilterRight), | |
215 SkXfermode::kSrcOver_Mode, cropRect).release()); | |
216 } | |
217 | |
218 this->addFilter("offset", | |
219 SkOffsetImageFilter::Make(SK_Scalar1, SK_Scalar1, input, | |
220 cropRect).release()); | |
221 this->addFilter("dilate", SkDilateImageFilter::Make(3, 2, input, cropRec
t).release()); | |
222 this->addFilter("erode", SkErodeImageFilter::Make(2, 3, input, cropRect)
.release()); | |
223 this->addFilter("tile", SkTileImageFilter::Create( | |
224 SkRect::MakeXYWH(0, 0, 50, 50), | |
225 cropRect ? cropRect->rect() : SkRect::MakeXYWH(0, 0, 100, 100), | |
226 input.get())); | |
227 if (!cropRect) { | |
228 this->addFilter("matrix", SkImageFilter::CreateMatrixFilter( | |
229 matrix, kLow_SkFilterQuality, input.get())); | |
230 } | |
231 | |
232 { | |
233 sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(five, five, input)
); | |
234 | |
235 this->addFilter("blur and offset", SkOffsetImageFilter::Make(five, f
ive, | |
236 std::mo
ve(blur), | |
237 cropRec
t).release()); | |
238 } | |
239 { | |
240 SkRTreeFactory factory; | |
241 SkPictureRecorder recorder; | |
242 SkCanvas* recordingCanvas = recorder.beginRecording(64, 64, &factory
, 0); | |
243 | |
244 SkPaint greenPaint; | |
245 greenPaint.setColor(SK_ColorGREEN); | |
246 recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 30,
20)), greenPaint); | |
247 sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); | |
248 sk_sp<SkImageFilter> pictureFilter(SkPictureImageFilter::Make(std::m
ove(picture))); | |
249 | |
250 this->addFilter("picture and blur", SkBlurImageFilter::Make(five, fi
ve, | |
251 std::mov
e(pictureFilter), | |
252 cropRect
).release()); | |
253 } | |
254 { | |
255 SkPaint paint; | |
256 paint.setShader(SkPerlinNoiseShader::MakeTurbulence(SK_Scalar1, SK_S
calar1, 1, 0)); | |
257 sk_sp<SkImageFilter> paintFilter(SkPaintImageFilter::Make(paint)); | |
258 | |
259 this->addFilter("paint and blur", SkBlurImageFilter::Make(five, five
, | |
260 std::move(
paintFilter), | |
261 cropRect).
release()); | |
262 } | |
263 this->addFilter("xfermode", SkXfermodeImageFilter::Make( | |
264 SkXfermode::Make(SkXfermode::kSrc_Mode), input.get(), input.get(), | |
265 cropRect).release()); | |
266 } | |
267 int count() const { return fFilters.count(); } | |
268 SkImageFilter* getFilter(int index) const { return fFilters[index].fFilter.g
et(); } | |
269 const char* getName(int index) const { return fFilters[index].fName; } | |
270 private: | |
271 struct Filter { | |
272 Filter() : fName(nullptr), fFilter(nullptr) {} | |
273 Filter(const char* name, SkImageFilter* filter) : fName(name), fFilter(f
ilter) {} | |
274 const char* fName; | |
275 sk_sp<SkImageFilter> fFilter; | |
276 }; | |
277 void addFilter(const char* name, SkImageFilter* filter) { | |
278 fFilters.push_back(Filter(name, filter)); | |
279 } | |
280 | |
281 SkTArray<Filter> fFilters; | |
282 }; | |
283 | |
284 } | |
285 | |
286 sk_sp<SkFlattenable> MatrixTestImageFilter::CreateProc(SkReadBuffer& buffer) { | |
287 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); | |
288 skiatest::Reporter* reporter = (skiatest::Reporter*)buffer.readFunctionPtr()
; | |
289 SkMatrix matrix; | |
290 buffer.readMatrix(&matrix); | |
291 return MatrixTestImageFilter::Make(reporter, matrix); | |
292 } | |
293 | |
294 #ifndef SK_IGNORE_TO_STRING | |
295 void MatrixTestImageFilter::toString(SkString* str) const { | |
296 str->appendf("MatrixTestImageFilter: ("); | |
297 str->append(")"); | |
298 } | |
299 #endif | |
300 | |
301 static sk_sp<SkImage> make_small_image() { | |
302 auto surface(SkSurface::MakeRasterN32Premul(kBitmapSize, kBitmapSize)); | |
303 SkCanvas* canvas = surface->getCanvas(); | |
304 canvas->clear(0x00000000); | |
305 SkPaint darkPaint; | |
306 darkPaint.setColor(0xFF804020); | |
307 SkPaint lightPaint; | |
308 lightPaint.setColor(0xFF244484); | |
309 const int i = kBitmapSize / 4; | |
310 for (int y = 0; y < kBitmapSize; y += i) { | |
311 for (int x = 0; x < kBitmapSize; x += i) { | |
312 canvas->save(); | |
313 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); | |
314 canvas->drawRect(SkRect::MakeXYWH(0, 0, | |
315 SkIntToScalar(i), | |
316 SkIntToScalar(i)), darkPaint); | |
317 canvas->drawRect(SkRect::MakeXYWH(SkIntToScalar(i), | |
318 0, | |
319 SkIntToScalar(i), | |
320 SkIntToScalar(i)), lightPaint); | |
321 canvas->drawRect(SkRect::MakeXYWH(0, | |
322 SkIntToScalar(i), | |
323 SkIntToScalar(i), | |
324 SkIntToScalar(i)), lightPaint); | |
325 canvas->drawRect(SkRect::MakeXYWH(SkIntToScalar(i), | |
326 SkIntToScalar(i), | |
327 SkIntToScalar(i), | |
328 SkIntToScalar(i)), darkPaint); | |
329 canvas->restore(); | |
330 } | |
331 } | |
332 | |
333 return surface->makeImageSnapshot(); | |
334 } | |
335 | |
336 static SkImageFilter* make_scale(float amount, SkImageFilter* input = nullptr) { | |
337 SkScalar s = amount; | |
338 SkScalar matrix[20] = { s, 0, 0, 0, 0, | |
339 0, s, 0, 0, 0, | |
340 0, 0, s, 0, 0, | |
341 0, 0, 0, s, 0 }; | |
342 auto filter(SkColorFilter::MakeMatrixFilterRowMajor255(matrix)); | |
343 return SkColorFilterImageFilter::Create(filter.get(), input); | |
344 } | |
345 | |
346 static SkImageFilter* make_grayscale(SkImageFilter* input, const SkImageFilter::
CropRect* cropRect) { | |
347 SkScalar matrix[20]; | |
348 memset(matrix, 0, 20 * sizeof(SkScalar)); | |
349 matrix[0] = matrix[5] = matrix[10] = 0.2126f; | |
350 matrix[1] = matrix[6] = matrix[11] = 0.7152f; | |
351 matrix[2] = matrix[7] = matrix[12] = 0.0722f; | |
352 matrix[18] = 1.0f; | |
353 auto filter(SkColorFilter::MakeMatrixFilterRowMajor255(matrix)); | |
354 return SkColorFilterImageFilter::Create(filter.get(), input, cropRect); | |
355 } | |
356 | |
357 static SkImageFilter* make_blue(SkImageFilter* input, const SkImageFilter::CropR
ect* cropRect) { | |
358 auto filter(SkColorFilter::MakeModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_M
ode)); | |
359 return SkColorFilterImageFilter::Create(filter.get(), input, cropRect); | |
360 } | |
361 | |
362 static sk_sp<SkSpecialSurface> create_empty_special_surface(GrContext* context, | |
363 SkImageFilter::Proxy
* proxy, | |
364 int widthHeight) { | |
365 if (context) { | |
366 GrSurfaceDesc desc; | |
367 desc.fConfig = kSkia8888_GrPixelConfig; | |
368 desc.fFlags = kRenderTarget_GrSurfaceFlag; | |
369 desc.fWidth = widthHeight; | |
370 desc.fHeight = widthHeight; | |
371 return SkSpecialSurface::MakeRenderTarget(proxy, context, desc); | |
372 } else { | |
373 const SkImageInfo info = SkImageInfo::MakeN32(widthHeight, widthHeight, | |
374 kOpaque_SkAlphaType); | |
375 return SkSpecialSurface::MakeRaster(proxy, info); | |
376 } | |
377 } | |
378 | |
379 static sk_sp<SkSpecialImage> create_empty_special_image(GrContext* context, | |
380 SkImageFilter::Proxy* pr
oxy, | |
381 int widthHeight) { | |
382 sk_sp<SkSpecialSurface> surf(create_empty_special_surface(context, proxy, wi
dthHeight)); | |
383 | |
384 SkASSERT(surf); | |
385 | |
386 SkCanvas* canvas = surf->getCanvas(); | |
387 SkASSERT(canvas); | |
388 | |
389 canvas->clear(0x0); | |
390 | |
391 return surf->makeImageSnapshot(); | |
392 } | |
393 | |
394 | |
395 DEF_TEST(ImageFilter, reporter) { | |
396 { | |
397 // Check that two non-clipping color-matrice-filters concatenate into a
single filter. | |
398 SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f)); | |
399 SkAutoTUnref<SkImageFilter> quarterBrightness(make_scale(0.5f, halfBrigh
tness)); | |
400 REPORTER_ASSERT(reporter, nullptr == quarterBrightness->getInput(0)); | |
401 SkColorFilter* cf; | |
402 REPORTER_ASSERT(reporter, quarterBrightness->asColorFilter(&cf)); | |
403 REPORTER_ASSERT(reporter, cf->asColorMatrix(nullptr)); | |
404 cf->unref(); | |
405 } | |
406 | |
407 { | |
408 // Check that a clipping color-matrice-filter followed by a color-matric
e-filters | |
409 // concatenates into a single filter, but not a matrixfilter (due to cla
mping). | |
410 SkAutoTUnref<SkImageFilter> doubleBrightness(make_scale(2.0f)); | |
411 SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f, doubleBright
ness)); | |
412 REPORTER_ASSERT(reporter, nullptr == halfBrightness->getInput(0)); | |
413 SkColorFilter* cf; | |
414 REPORTER_ASSERT(reporter, halfBrightness->asColorFilter(&cf)); | |
415 REPORTER_ASSERT(reporter, !cf->asColorMatrix(nullptr)); | |
416 cf->unref(); | |
417 } | |
418 | |
419 { | |
420 // Check that a color filter image filter without a crop rect can be | |
421 // expressed as a color filter. | |
422 SkAutoTUnref<SkImageFilter> gray(make_grayscale(nullptr, nullptr)); | |
423 REPORTER_ASSERT(reporter, true == gray->asColorFilter(nullptr)); | |
424 } | |
425 | |
426 { | |
427 // Check that a colorfilterimage filter without a crop rect but with an
input | |
428 // that is another colorfilterimage can be expressed as a colorfilter (c
omposed). | |
429 SkAutoTUnref<SkImageFilter> mode(make_blue(nullptr, nullptr)); | |
430 SkAutoTUnref<SkImageFilter> gray(make_grayscale(mode, nullptr)); | |
431 REPORTER_ASSERT(reporter, true == gray->asColorFilter(nullptr)); | |
432 } | |
433 | |
434 { | |
435 // Test that if we exceed the limit of what ComposeColorFilter can combi
ne, we still | |
436 // can build the DAG and won't assert if we call asColorFilter. | |
437 SkAutoTUnref<SkImageFilter> filter(make_blue(nullptr, nullptr)); | |
438 const int kWayTooManyForComposeColorFilter = 100; | |
439 for (int i = 0; i < kWayTooManyForComposeColorFilter; ++i) { | |
440 filter.reset(make_blue(filter, nullptr)); | |
441 // the first few of these will succeed, but after we hit the interna
l limit, | |
442 // it will then return false. | |
443 (void)filter->asColorFilter(nullptr); | |
444 } | |
445 } | |
446 | |
447 { | |
448 // Check that a color filter image filter with a crop rect cannot | |
449 // be expressed as a color filter. | |
450 SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(0, 0, 100, 100)); | |
451 SkAutoTUnref<SkImageFilter> grayWithCrop(make_grayscale(nullptr, &cropRe
ct)); | |
452 REPORTER_ASSERT(reporter, false == grayWithCrop->asColorFilter(nullptr))
; | |
453 } | |
454 | |
455 { | |
456 // Check that two non-commutative matrices are concatenated in | |
457 // the correct order. | |
458 SkScalar blueToRedMatrix[20] = { 0 }; | |
459 blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1; | |
460 SkScalar redToGreenMatrix[20] = { 0 }; | |
461 redToGreenMatrix[5] = redToGreenMatrix[18] = SK_Scalar1; | |
462 auto blueToRed(SkColorFilter::MakeMatrixFilterRowMajor255(blueToRedMatri
x)); | |
463 SkAutoTUnref<SkImageFilter> filter1(SkColorFilterImageFilter::Create(blu
eToRed.get())); | |
464 auto redToGreen(SkColorFilter::MakeMatrixFilterRowMajor255(redToGreenMat
rix)); | |
465 SkAutoTUnref<SkImageFilter> filter2(SkColorFilterImageFilter::Create(red
ToGreen.get(), filter1.get())); | |
466 | |
467 SkBitmap result; | |
468 result.allocN32Pixels(kBitmapSize, kBitmapSize); | |
469 | |
470 SkPaint paint; | |
471 paint.setColor(SK_ColorBLUE); | |
472 paint.setImageFilter(filter2.get()); | |
473 SkCanvas canvas(result); | |
474 canvas.clear(0x0); | |
475 SkRect rect = SkRect::Make(SkIRect::MakeWH(kBitmapSize, kBitmapSize)); | |
476 canvas.drawRect(rect, paint); | |
477 uint32_t pixel = *result.getAddr32(0, 0); | |
478 // The result here should be green, since we have effectively shifted bl
ue to green. | |
479 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
480 } | |
481 | |
482 { | |
483 // Tests pass by not asserting | |
484 sk_sp<SkImage> image(make_small_image()); | |
485 SkBitmap result; | |
486 result.allocN32Pixels(kBitmapSize, kBitmapSize); | |
487 | |
488 { | |
489 // This tests for : | |
490 // 1 ) location at (0,0,1) | |
491 SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1); | |
492 // 2 ) location and target at same value | |
493 SkPoint3 target = SkPoint3::Make(location.fX, location.fY, location.
fZ); | |
494 // 3 ) large negative specular exponent value | |
495 SkScalar specularExponent = -1000; | |
496 | |
497 sk_sp<SkImageFilter> bmSrc(SkImageSource::Make(std::move(image))); | |
498 SkPaint paint; | |
499 paint.setImageFilter(SkLightingImageFilter::CreateSpotLitSpecular( | |
500 location, target, specularExponent, 180, | |
501 0xFFFFFFFF, SK_Scalar1, SK_Scalar1, SK_Scalar1, | |
502 bmSrc.get()))->unref(); | |
503 SkCanvas canvas(result); | |
504 SkRect r = SkRect::MakeWH(SkIntToScalar(kBitmapSize), | |
505 SkIntToScalar(kBitmapSize)); | |
506 canvas.drawRect(r, paint); | |
507 } | |
508 } | |
509 } | |
510 | |
511 static void test_crop_rects(SkImageFilter::Proxy* proxy, | |
512 skiatest::Reporter* reporter, | |
513 GrContext* context) { | |
514 // Check that all filters offset to their absolute crop rect, | |
515 // unaffected by the input crop rect. | |
516 // Tests pass by not asserting. | |
517 sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 100)
); | |
518 SkASSERT(srcImg); | |
519 | |
520 SkImageFilter::CropRect inputCropRect(SkRect::MakeXYWH(8, 13, 80, 80)); | |
521 SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(20, 30, 60, 60)); | |
522 sk_sp<SkImageFilter> input(make_grayscale(nullptr, &inputCropRect)); | |
523 | |
524 FilterList filters(input, &cropRect); | |
525 | |
526 for (int i = 0; i < filters.count(); ++i) { | |
527 SkImageFilter* filter = filters.getFilter(i); | |
528 SkIPoint offset; | |
529 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nul
lptr); | |
530 sk_sp<SkSpecialImage> resultImg(filter->filterImage(srcImg.get(), ctx, &
offset)); | |
531 REPORTER_ASSERT_MESSAGE(reporter, resultImg, filters.getName(i)); | |
532 REPORTER_ASSERT_MESSAGE(reporter, offset.fX == 20 && offset.fY == 30, fi
lters.getName(i)); | |
533 } | |
534 } | |
535 | |
536 static void test_negative_blur_sigma(SkImageFilter::Proxy* proxy, | |
537 skiatest::Reporter* reporter, | |
538 GrContext* context) { | |
539 // Check that SkBlurImageFilter will accept a negative sigma, either in | |
540 // the given arguments or after CTM application. | |
541 const int width = 32, height = 32; | |
542 const SkScalar five = SkIntToScalar(5); | |
543 | |
544 sk_sp<SkImageFilter> positiveFilter(SkBlurImageFilter::Make(five, five, null
ptr)); | |
545 sk_sp<SkImageFilter> negativeFilter(SkBlurImageFilter::Make(-five, five, nul
lptr)); | |
546 | |
547 SkBitmap gradient = make_gradient_circle(width, height); | |
548 sk_sp<SkSpecialImage> imgSrc(SkSpecialImage::MakeFromRaster(proxy, | |
549 SkIRect::MakeWH(
width, height), | |
550 gradient)); | |
551 | |
552 SkIPoint offset; | |
553 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(32, 32), nullptr); | |
554 | |
555 sk_sp<SkSpecialImage> positiveResult1(positiveFilter->filterImage(imgSrc.get
(), ctx, &offset)); | |
556 REPORTER_ASSERT(reporter, positiveResult1); | |
557 | |
558 sk_sp<SkSpecialImage> negativeResult1(negativeFilter->filterImage(imgSrc.get
(), ctx, &offset)); | |
559 REPORTER_ASSERT(reporter, negativeResult1); | |
560 | |
561 SkMatrix negativeScale; | |
562 negativeScale.setScale(-SK_Scalar1, SK_Scalar1); | |
563 SkImageFilter::Context negativeCTX(negativeScale, SkIRect::MakeWH(32, 32), n
ullptr); | |
564 | |
565 sk_sp<SkSpecialImage> negativeResult2(positiveFilter->filterImage(imgSrc.get
(), | |
566 negativeCT
X, | |
567 &offset)); | |
568 REPORTER_ASSERT(reporter, negativeResult2); | |
569 | |
570 sk_sp<SkSpecialImage> positiveResult2(negativeFilter->filterImage(imgSrc.get
(), | |
571 negativeCT
X, | |
572 &offset)); | |
573 REPORTER_ASSERT(reporter, positiveResult2); | |
574 | |
575 | |
576 SkBitmap positiveResultBM1, positiveResultBM2; | |
577 SkBitmap negativeResultBM1, negativeResultBM2; | |
578 | |
579 TestingSpecialImageAccess::GetROPixels(positiveResult1.get(), &positiveResul
tBM1); | |
580 TestingSpecialImageAccess::GetROPixels(positiveResult2.get(), &positiveResul
tBM2); | |
581 TestingSpecialImageAccess::GetROPixels(negativeResult1.get(), &negativeResul
tBM1); | |
582 TestingSpecialImageAccess::GetROPixels(negativeResult2.get(), &negativeResul
tBM2); | |
583 | |
584 SkAutoLockPixels lockP1(positiveResultBM1); | |
585 SkAutoLockPixels lockP2(positiveResultBM2); | |
586 SkAutoLockPixels lockN1(negativeResultBM1); | |
587 SkAutoLockPixels lockN2(negativeResultBM2); | |
588 for (int y = 0; y < height; y++) { | |
589 int diffs = memcmp(positiveResultBM1.getAddr32(0, y), | |
590 negativeResultBM1.getAddr32(0, y), | |
591 positiveResultBM1.rowBytes()); | |
592 REPORTER_ASSERT(reporter, !diffs); | |
593 if (diffs) { | |
594 break; | |
595 } | |
596 diffs = memcmp(positiveResultBM1.getAddr32(0, y), | |
597 negativeResultBM2.getAddr32(0, y), | |
598 positiveResultBM1.rowBytes()); | |
599 REPORTER_ASSERT(reporter, !diffs); | |
600 if (diffs) { | |
601 break; | |
602 } | |
603 diffs = memcmp(positiveResultBM1.getAddr32(0, y), | |
604 positiveResultBM2.getAddr32(0, y), | |
605 positiveResultBM1.rowBytes()); | |
606 REPORTER_ASSERT(reporter, !diffs); | |
607 if (diffs) { | |
608 break; | |
609 } | |
610 } | |
611 } | |
612 | |
613 typedef void (*PFTest)(SkImageFilter::Proxy* proxy, | |
614 skiatest::Reporter* reporter, | |
615 GrContext* context); | |
616 | |
617 static void run_raster_test(skiatest::Reporter* reporter, | |
618 int widthHeight, | |
619 PFTest test) { | |
620 const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); | |
621 | |
622 const SkImageInfo info = SkImageInfo::MakeN32Premul(widthHeight, widthHeight
); | |
623 | |
624 SkAutoTUnref<SkBaseDevice> device(SkBitmapDevice::Create(info, props)); | |
625 SkImageFilter::DeviceProxy proxy(device); | |
626 | |
627 (*test)(&proxy, reporter, nullptr); | |
628 } | |
629 | |
630 #if SK_SUPPORT_GPU | |
631 static void run_gpu_test(skiatest::Reporter* reporter, | |
632 GrContext* context, | |
633 int widthHeight, | |
634 PFTest test) { | |
635 const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); | |
636 | |
637 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, | |
638 SkBudgeted::kNo, | |
639 SkImageInfo::MakeN32Pre
mul(widthHeight, | |
640
widthHeight), | |
641 0, | |
642 &props, | |
643 SkGpuDevice::kUninit_In
itContents)); | |
644 SkImageFilter::DeviceProxy proxy(device); | |
645 | |
646 (*test)(&proxy, reporter, context); | |
647 } | |
648 #endif | |
649 | |
650 DEF_TEST(TestNegativeBlurSigma, reporter) { | |
651 run_raster_test(reporter, 100, test_negative_blur_sigma); | |
652 } | |
653 | |
654 #if SK_SUPPORT_GPU | |
655 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(TestNegativeBlurSigma_Gpu, reporter, conte
xt) { | |
656 run_gpu_test(reporter, context, 100, test_negative_blur_sigma); | |
657 } | |
658 #endif | |
659 | |
660 static void test_zero_blur_sigma(SkImageFilter::Proxy* proxy, | |
661 skiatest::Reporter* reporter, | |
662 GrContext* context) { | |
663 // Check that SkBlurImageFilter with a zero sigma and a non-zero srcOffset w
orks correctly. | |
664 SkImageFilter::CropRect cropRect(SkRect::Make(SkIRect::MakeXYWH(5, 0, 5, 10)
)); | |
665 sk_sp<SkImageFilter> input(SkOffsetImageFilter::Make(0, 0, nullptr, &cropRec
t)); | |
666 sk_sp<SkImageFilter> filter(SkBlurImageFilter::Make(0, 0, std::move(input),
&cropRect)); | |
667 | |
668 sk_sp<SkSpecialSurface> surf(create_empty_special_surface(context, proxy, 10
)); | |
669 surf->getCanvas()->clear(SK_ColorGREEN); | |
670 sk_sp<SkSpecialImage> image(surf->makeImageSnapshot()); | |
671 | |
672 SkIPoint offset; | |
673 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(32, 32), nullptr); | |
674 | |
675 sk_sp<SkSpecialImage> result(filter->filterImage(image.get(), ctx, &offset))
; | |
676 REPORTER_ASSERT(reporter, offset.fX == 5 && offset.fY == 0); | |
677 REPORTER_ASSERT(reporter, result); | |
678 REPORTER_ASSERT(reporter, result->width() == 5 && result->height() == 10); | |
679 | |
680 SkBitmap resultBM; | |
681 | |
682 TestingSpecialImageAccess::GetROPixels(result.get(), &resultBM); | |
683 | |
684 SkAutoLockPixels lock(resultBM); | |
685 for (int y = 0; y < resultBM.height(); y++) { | |
686 for (int x = 0; x < resultBM.width(); x++) { | |
687 bool diff = *resultBM.getAddr32(x, y) != SK_ColorGREEN; | |
688 REPORTER_ASSERT(reporter, !diff); | |
689 if (diff) { | |
690 break; | |
691 } | |
692 } | |
693 } | |
694 } | |
695 | |
696 DEF_TEST(TestZeroBlurSigma, reporter) { | |
697 run_raster_test(reporter, 100, test_zero_blur_sigma); | |
698 } | |
699 | |
700 #if SK_SUPPORT_GPU | |
701 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(TestZeroBlurSigma_Gpu, reporter, context)
{ | |
702 run_gpu_test(reporter, context, 100, test_zero_blur_sigma); | |
703 } | |
704 #endif | |
705 | |
706 | |
707 // Tests that, even when an upstream filter has returned null (due to failure or
clipping), a | |
708 // downstream filter that affects transparent black still does so even with a nu
llptr input. | |
709 static void test_fail_affects_transparent_black(SkImageFilter::Proxy* proxy, | |
710 skiatest::Reporter* reporter, | |
711 GrContext* context) { | |
712 sk_sp<FailImageFilter> failFilter(new FailImageFilter()); | |
713 sk_sp<SkSpecialImage> source(create_empty_special_image(context, proxy, 5)); | |
714 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(0, 0, 1, 1), nul
lptr); | |
715 sk_sp<SkColorFilter> green(SkColorFilter::MakeModeFilter(SK_ColorGREEN, SkXf
ermode::kSrc_Mode)); | |
716 SkASSERT(green->affectsTransparentBlack()); | |
717 sk_sp<SkImageFilter> greenFilter(SkColorFilterImageFilter::Create(green.get(
), | |
718 failFilter
.get())); | |
719 SkIPoint offset; | |
720 sk_sp<SkSpecialImage> result(greenFilter->filterImage(source.get(), ctx, &of
fset)); | |
721 REPORTER_ASSERT(reporter, nullptr != result.get()); | |
722 if (result.get()) { | |
723 SkBitmap resultBM; | |
724 TestingSpecialImageAccess::GetROPixels(result.get(), &resultBM); | |
725 SkAutoLockPixels lock(resultBM); | |
726 REPORTER_ASSERT(reporter, *resultBM.getAddr32(0, 0) == SK_ColorGREEN); | |
727 } | |
728 } | |
729 | |
730 DEF_TEST(ImageFilterFailAffectsTransparentBlack, reporter) { | |
731 run_raster_test(reporter, 100, test_fail_affects_transparent_black); | |
732 } | |
733 | |
734 #if SK_SUPPORT_GPU | |
735 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageFilterFailAffectsTransparentBlack_Gpu
, reporter, context) { | |
736 run_gpu_test(reporter, context, 100, test_fail_affects_transparent_black); | |
737 } | |
738 #endif | |
739 | |
740 DEF_TEST(ImageFilterDrawTiled, reporter) { | |
741 // Check that all filters when drawn tiled (with subsequent clip rects) exac
tly | |
742 // match the same filters drawn with a single full-canvas bitmap draw. | |
743 // Tests pass by not asserting. | |
744 | |
745 FilterList filters(nullptr); | |
746 | |
747 SkBitmap untiledResult, tiledResult; | |
748 const int width = 64, height = 64; | |
749 untiledResult.allocN32Pixels(width, height); | |
750 tiledResult.allocN32Pixels(width, height); | |
751 SkCanvas tiledCanvas(tiledResult); | |
752 SkCanvas untiledCanvas(untiledResult); | |
753 int tileSize = 8; | |
754 | |
755 for (int scale = 1; scale <= 2; ++scale) { | |
756 for (int i = 0; i < filters.count(); ++i) { | |
757 tiledCanvas.clear(0); | |
758 untiledCanvas.clear(0); | |
759 SkPaint paint; | |
760 paint.setImageFilter(filters.getFilter(i)); | |
761 paint.setTextSize(SkIntToScalar(height)); | |
762 paint.setColor(SK_ColorWHITE); | |
763 SkString str; | |
764 const char* text = "ABC"; | |
765 SkScalar ypos = SkIntToScalar(height); | |
766 untiledCanvas.save(); | |
767 untiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale)); | |
768 untiledCanvas.drawText(text, strlen(text), 0, ypos, paint); | |
769 untiledCanvas.restore(); | |
770 for (int y = 0; y < height; y += tileSize) { | |
771 for (int x = 0; x < width; x += tileSize) { | |
772 tiledCanvas.save(); | |
773 tiledCanvas.clipRect(SkRect::Make(SkIRect::MakeXYWH(x, y, ti
leSize, tileSize))); | |
774 tiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale)
); | |
775 tiledCanvas.drawText(text, strlen(text), 0, ypos, paint); | |
776 tiledCanvas.restore(); | |
777 } | |
778 } | |
779 untiledCanvas.flush(); | |
780 tiledCanvas.flush(); | |
781 for (int y = 0; y < height; y++) { | |
782 int diffs = memcmp(untiledResult.getAddr32(0, y), tiledResult.ge
tAddr32(0, y), untiledResult.rowBytes()); | |
783 REPORTER_ASSERT_MESSAGE(reporter, !diffs, filters.getName(i)); | |
784 if (diffs) { | |
785 break; | |
786 } | |
787 } | |
788 } | |
789 } | |
790 } | |
791 | |
792 static void draw_saveLayer_picture(int width, int height, int tileSize, | |
793 SkBBHFactory* factory, SkBitmap* result) { | |
794 | |
795 SkMatrix matrix; | |
796 matrix.setTranslate(SkIntToScalar(50), 0); | |
797 | |
798 auto cf(SkColorFilter::MakeModeFilter(SK_ColorWHITE, SkXfermode::kSrc_Mode))
; | |
799 SkAutoTUnref<SkImageFilter> cfif(SkColorFilterImageFilter::Create(cf.get()))
; | |
800 SkAutoTUnref<SkImageFilter> imageFilter(SkImageFilter::CreateMatrixFilter(ma
trix, kNone_SkFilterQuality, cfif.get())); | |
801 | |
802 SkPaint paint; | |
803 paint.setImageFilter(imageFilter.get()); | |
804 SkPictureRecorder recorder; | |
805 SkRect bounds = SkRect::Make(SkIRect::MakeXYWH(0, 0, 50, 50)); | |
806 SkCanvas* recordingCanvas = recorder.beginRecording(SkIntToScalar(width), | |
807 SkIntToScalar(height), | |
808 factory, 0); | |
809 recordingCanvas->translate(-55, 0); | |
810 recordingCanvas->saveLayer(&bounds, &paint); | |
811 recordingCanvas->restore(); | |
812 sk_sp<SkPicture> picture1(recorder.finishRecordingAsPicture()); | |
813 | |
814 result->allocN32Pixels(width, height); | |
815 SkCanvas canvas(*result); | |
816 canvas.clear(0); | |
817 canvas.clipRect(SkRect::Make(SkIRect::MakeWH(tileSize, tileSize))); | |
818 canvas.drawPicture(picture1.get()); | |
819 } | |
820 | |
821 DEF_TEST(ImageFilterDrawMatrixBBH, reporter) { | |
822 // Check that matrix filter when drawn tiled with BBH exactly | |
823 // matches the same thing drawn without BBH. | |
824 // Tests pass by not asserting. | |
825 | |
826 const int width = 200, height = 200; | |
827 const int tileSize = 100; | |
828 SkBitmap result1, result2; | |
829 SkRTreeFactory factory; | |
830 | |
831 draw_saveLayer_picture(width, height, tileSize, &factory, &result1); | |
832 draw_saveLayer_picture(width, height, tileSize, nullptr, &result2); | |
833 | |
834 for (int y = 0; y < height; y++) { | |
835 int diffs = memcmp(result1.getAddr32(0, y), result2.getAddr32(0, y), res
ult1.rowBytes()); | |
836 REPORTER_ASSERT(reporter, !diffs); | |
837 if (diffs) { | |
838 break; | |
839 } | |
840 } | |
841 } | |
842 | |
843 static sk_sp<SkImageFilter> make_blur(sk_sp<SkImageFilter> input) { | |
844 return SkBlurImageFilter::Make(SK_Scalar1, SK_Scalar1, std::move(input)); | |
845 } | |
846 | |
847 static sk_sp<SkImageFilter> make_drop_shadow(sk_sp<SkImageFilter> input) { | |
848 return sk_sp<SkImageFilter>(SkDropShadowImageFilter::Create( | |
849 SkIntToScalar(100), SkIntToScalar(100), | |
850 SkIntToScalar(10), SkIntToScalar(10), | |
851 SK_ColorBLUE, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMo
de, | |
852 input.get(), nullptr)); | |
853 } | |
854 | |
855 DEF_TEST(ImageFilterBlurThenShadowBounds, reporter) { | |
856 sk_sp<SkImageFilter> filter1(make_blur(nullptr)); | |
857 sk_sp<SkImageFilter> filter2(make_drop_shadow(std::move(filter1))); | |
858 | |
859 SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100); | |
860 SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236); | |
861 bounds = filter2->filterBounds(bounds, SkMatrix::I()); | |
862 | |
863 REPORTER_ASSERT(reporter, bounds == expectedBounds); | |
864 } | |
865 | |
866 DEF_TEST(ImageFilterShadowThenBlurBounds, reporter) { | |
867 sk_sp<SkImageFilter> filter1(make_drop_shadow(nullptr)); | |
868 sk_sp<SkImageFilter> filter2(make_blur(std::move(filter1))); | |
869 | |
870 SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100); | |
871 SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236); | |
872 bounds = filter2->filterBounds(bounds, SkMatrix::I()); | |
873 | |
874 REPORTER_ASSERT(reporter, bounds == expectedBounds); | |
875 } | |
876 | |
877 DEF_TEST(ImageFilterDilateThenBlurBounds, reporter) { | |
878 sk_sp<SkImageFilter> filter1(SkDilateImageFilter::Make(2, 2, nullptr)); | |
879 sk_sp<SkImageFilter> filter2(make_drop_shadow(std::move(filter1))); | |
880 | |
881 SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100); | |
882 SkIRect expectedBounds = SkIRect::MakeXYWH(-132, -132, 234, 234); | |
883 bounds = filter2->filterBounds(bounds, SkMatrix::I()); | |
884 | |
885 REPORTER_ASSERT(reporter, bounds == expectedBounds); | |
886 } | |
887 | |
888 DEF_TEST(ImageFilterComposedBlurFastBounds, reporter) { | |
889 sk_sp<SkImageFilter> filter1(make_blur(nullptr)); | |
890 sk_sp<SkImageFilter> filter2(make_blur(nullptr)); | |
891 sk_sp<SkImageFilter> composedFilter(SkComposeImageFilter::Make(std::move(fil
ter1), | |
892 std::move(fil
ter2))); | |
893 | |
894 SkRect boundsSrc = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100)); | |
895 SkRect expectedBounds = SkRect::MakeXYWH( | |
896 SkIntToScalar(-6), SkIntToScalar(-6), SkIntToScalar(112), SkIntToScalar(
112)); | |
897 SkRect boundsDst = composedFilter->computeFastBounds(boundsSrc); | |
898 | |
899 REPORTER_ASSERT(reporter, boundsDst == expectedBounds); | |
900 } | |
901 | |
902 DEF_TEST(ImageFilterUnionBounds, reporter) { | |
903 sk_sp<SkImageFilter> offset(SkOffsetImageFilter::Make(50, 0, nullptr)); | |
904 // Regardless of which order they appear in, the image filter bounds should | |
905 // be combined correctly. | |
906 { | |
907 sk_sp<SkImageFilter> composite(SkXfermodeImageFilter::Make(nullptr, offs
et.get())); | |
908 SkRect bounds = SkRect::MakeWH(100, 100); | |
909 // Intentionally aliasing here, as that's what the real callers do. | |
910 bounds = composite->computeFastBounds(bounds); | |
911 REPORTER_ASSERT(reporter, bounds == SkRect::MakeWH(150, 100)); | |
912 } | |
913 { | |
914 sk_sp<SkImageFilter> composite(SkXfermodeImageFilter::Make(nullptr, null
ptr, | |
915 offset.get(),
nullptr)); | |
916 SkRect bounds = SkRect::MakeWH(100, 100); | |
917 // Intentionally aliasing here, as that's what the real callers do. | |
918 bounds = composite->computeFastBounds(bounds); | |
919 REPORTER_ASSERT(reporter, bounds == SkRect::MakeWH(150, 100)); | |
920 } | |
921 } | |
922 | |
923 static void test_imagefilter_merge_result_size(SkImageFilter::Proxy* proxy, | |
924 skiatest::Reporter* reporter, | |
925 GrContext* context) { | |
926 SkBitmap greenBM; | |
927 greenBM.allocN32Pixels(20, 20); | |
928 greenBM.eraseColor(SK_ColorGREEN); | |
929 sk_sp<SkImage> greenImage(SkImage::MakeFromBitmap(greenBM)); | |
930 sk_sp<SkImageFilter> source(SkImageSource::Make(std::move(greenImage))); | |
931 sk_sp<SkImageFilter> merge(SkMergeImageFilter::Make(source, source)); | |
932 | |
933 sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 1)); | |
934 | |
935 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(0, 0, 100, 100),
nullptr); | |
936 SkIPoint offset; | |
937 | |
938 sk_sp<SkSpecialImage> resultImg(merge->filterImage(srcImg.get(), ctx, &offse
t)); | |
939 REPORTER_ASSERT(reporter, resultImg); | |
940 | |
941 REPORTER_ASSERT(reporter, resultImg->width() == 20 && resultImg->height() ==
20); | |
942 } | |
943 | |
944 DEF_TEST(ImageFilterMergeResultSize, reporter) { | |
945 run_raster_test(reporter, 100, test_imagefilter_merge_result_size); | |
946 } | |
947 | |
948 #if SK_SUPPORT_GPU | |
949 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageFilterMergeResultSize_Gpu, reporter,
context) { | |
950 run_gpu_test(reporter, context, 100, test_imagefilter_merge_result_size); | |
951 } | |
952 #endif | |
953 | |
954 static void draw_blurred_rect(SkCanvas* canvas) { | |
955 SkPaint filterPaint; | |
956 filterPaint.setColor(SK_ColorWHITE); | |
957 filterPaint.setImageFilter(SkBlurImageFilter::Make(SkIntToScalar(8), 0, null
ptr)); | |
958 canvas->saveLayer(nullptr, &filterPaint); | |
959 SkPaint whitePaint; | |
960 whitePaint.setColor(SK_ColorWHITE); | |
961 canvas->drawRect(SkRect::Make(SkIRect::MakeWH(4, 4)), whitePaint); | |
962 canvas->restore(); | |
963 } | |
964 | |
965 static void draw_picture_clipped(SkCanvas* canvas, const SkRect& clipRect, const
SkPicture* picture) { | |
966 canvas->save(); | |
967 canvas->clipRect(clipRect); | |
968 canvas->drawPicture(picture); | |
969 canvas->restore(); | |
970 } | |
971 | |
972 DEF_TEST(ImageFilterDrawTiledBlurRTree, reporter) { | |
973 // Check that the blur filter when recorded with RTree acceleration, | |
974 // and drawn tiled (with subsequent clip rects) exactly | |
975 // matches the same filter drawn with without RTree acceleration. | |
976 // This tests that the "bleed" from the blur into the otherwise-blank | |
977 // tiles is correctly rendered. | |
978 // Tests pass by not asserting. | |
979 | |
980 int width = 16, height = 8; | |
981 SkBitmap result1, result2; | |
982 result1.allocN32Pixels(width, height); | |
983 result2.allocN32Pixels(width, height); | |
984 SkCanvas canvas1(result1); | |
985 SkCanvas canvas2(result2); | |
986 int tileSize = 8; | |
987 | |
988 canvas1.clear(0); | |
989 canvas2.clear(0); | |
990 | |
991 SkRTreeFactory factory; | |
992 | |
993 SkPictureRecorder recorder1, recorder2; | |
994 // The only difference between these two pictures is that one has RTree acel
eration. | |
995 SkCanvas* recordingCanvas1 = recorder1.beginRecording(SkIntToScalar(width), | |
996 SkIntToScalar(height), | |
997 nullptr, 0); | |
998 SkCanvas* recordingCanvas2 = recorder2.beginRecording(SkIntToScalar(width), | |
999 SkIntToScalar(height), | |
1000 &factory, 0); | |
1001 draw_blurred_rect(recordingCanvas1); | |
1002 draw_blurred_rect(recordingCanvas2); | |
1003 sk_sp<SkPicture> picture1(recorder1.finishRecordingAsPicture()); | |
1004 sk_sp<SkPicture> picture2(recorder2.finishRecordingAsPicture()); | |
1005 for (int y = 0; y < height; y += tileSize) { | |
1006 for (int x = 0; x < width; x += tileSize) { | |
1007 SkRect tileRect = SkRect::Make(SkIRect::MakeXYWH(x, y, tileSize, til
eSize)); | |
1008 draw_picture_clipped(&canvas1, tileRect, picture1.get()); | |
1009 draw_picture_clipped(&canvas2, tileRect, picture2.get()); | |
1010 } | |
1011 } | |
1012 for (int y = 0; y < height; y++) { | |
1013 int diffs = memcmp(result1.getAddr32(0, y), result2.getAddr32(0, y), res
ult1.rowBytes()); | |
1014 REPORTER_ASSERT(reporter, !diffs); | |
1015 if (diffs) { | |
1016 break; | |
1017 } | |
1018 } | |
1019 } | |
1020 | |
1021 DEF_TEST(ImageFilterMatrixConvolution, reporter) { | |
1022 // Check that a 1x3 filter does not cause a spurious assert. | |
1023 SkScalar kernel[3] = { | |
1024 SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), | |
1025 }; | |
1026 SkISize kernelSize = SkISize::Make(1, 3); | |
1027 SkScalar gain = SK_Scalar1, bias = 0; | |
1028 SkIPoint kernelOffset = SkIPoint::Make(0, 0); | |
1029 | |
1030 SkAutoTUnref<SkImageFilter> filter( | |
1031 SkMatrixConvolutionImageFilter::Create( | |
1032 kernelSize, kernel, gain, bias, kernelOffset, | |
1033 SkMatrixConvolutionImageFilter::kRepeat_TileMode, false)); | |
1034 | |
1035 SkBitmap result; | |
1036 int width = 16, height = 16; | |
1037 result.allocN32Pixels(width, height); | |
1038 SkCanvas canvas(result); | |
1039 canvas.clear(0); | |
1040 | |
1041 SkPaint paint; | |
1042 paint.setImageFilter(filter); | |
1043 SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height)); | |
1044 canvas.drawRect(rect, paint); | |
1045 } | |
1046 | |
1047 DEF_TEST(ImageFilterMatrixConvolutionBorder, reporter) { | |
1048 // Check that a filter with borders outside the target bounds | |
1049 // does not crash. | |
1050 SkScalar kernel[3] = { | |
1051 0, 0, 0, | |
1052 }; | |
1053 SkISize kernelSize = SkISize::Make(3, 1); | |
1054 SkScalar gain = SK_Scalar1, bias = 0; | |
1055 SkIPoint kernelOffset = SkIPoint::Make(2, 0); | |
1056 | |
1057 SkAutoTUnref<SkImageFilter> filter( | |
1058 SkMatrixConvolutionImageFilter::Create( | |
1059 kernelSize, kernel, gain, bias, kernelOffset, | |
1060 SkMatrixConvolutionImageFilter::kClamp_TileMode, true)); | |
1061 | |
1062 SkBitmap result; | |
1063 | |
1064 int width = 10, height = 10; | |
1065 result.allocN32Pixels(width, height); | |
1066 SkCanvas canvas(result); | |
1067 canvas.clear(0); | |
1068 | |
1069 SkPaint filterPaint; | |
1070 filterPaint.setImageFilter(filter); | |
1071 SkRect bounds = SkRect::MakeWH(1, 10); | |
1072 SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height)); | |
1073 SkPaint rectPaint; | |
1074 canvas.saveLayer(&bounds, &filterPaint); | |
1075 canvas.drawRect(rect, rectPaint); | |
1076 canvas.restore(); | |
1077 } | |
1078 | |
1079 DEF_TEST(ImageFilterCropRect, reporter) { | |
1080 run_raster_test(reporter, 100, test_crop_rects); | |
1081 } | |
1082 | |
1083 #if SK_SUPPORT_GPU | |
1084 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageFilterCropRect_Gpu, reporter, context
) { | |
1085 run_gpu_test(reporter, context, 100, test_crop_rects); | |
1086 } | |
1087 #endif | |
1088 | |
1089 DEF_TEST(ImageFilterMatrix, reporter) { | |
1090 SkBitmap temp; | |
1091 temp.allocN32Pixels(100, 100); | |
1092 SkCanvas canvas(temp); | |
1093 canvas.scale(SkIntToScalar(2), SkIntToScalar(2)); | |
1094 | |
1095 SkMatrix expectedMatrix = canvas.getTotalMatrix(); | |
1096 | |
1097 SkRTreeFactory factory; | |
1098 SkPictureRecorder recorder; | |
1099 SkCanvas* recordingCanvas = recorder.beginRecording(100, 100, &factory, 0); | |
1100 | |
1101 SkPaint paint; | |
1102 paint.setImageFilter(MatrixTestImageFilter::Make(reporter, expectedMatrix)); | |
1103 recordingCanvas->saveLayer(nullptr, &paint); | |
1104 SkPaint solidPaint; | |
1105 solidPaint.setColor(0xFFFFFFFF); | |
1106 recordingCanvas->save(); | |
1107 recordingCanvas->scale(SkIntToScalar(10), SkIntToScalar(10)); | |
1108 recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(100, 100)), solidPain
t); | |
1109 recordingCanvas->restore(); // scale | |
1110 recordingCanvas->restore(); // saveLayer | |
1111 | |
1112 canvas.drawPicture(recorder.finishRecordingAsPicture()); | |
1113 } | |
1114 | |
1115 DEF_TEST(ImageFilterCrossProcessPictureImageFilter, reporter) { | |
1116 SkRTreeFactory factory; | |
1117 SkPictureRecorder recorder; | |
1118 SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory, 0); | |
1119 | |
1120 // Create an SkPicture which simply draws a green 1x1 rectangle. | |
1121 SkPaint greenPaint; | |
1122 greenPaint.setColor(SK_ColorGREEN); | |
1123 recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), greenPaint); | |
1124 sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); | |
1125 | |
1126 // Wrap that SkPicture in an SkPictureImageFilter. | |
1127 sk_sp<SkImageFilter> imageFilter(SkPictureImageFilter::Make(picture)); | |
1128 | |
1129 // Check that SkPictureImageFilter successfully serializes its contained | |
1130 // SkPicture when not in cross-process mode. | |
1131 SkPaint paint; | |
1132 paint.setImageFilter(imageFilter); | |
1133 SkPictureRecorder outerRecorder; | |
1134 SkCanvas* outerCanvas = outerRecorder.beginRecording(1, 1, &factory, 0); | |
1135 SkPaint redPaintWithFilter; | |
1136 redPaintWithFilter.setColor(SK_ColorRED); | |
1137 redPaintWithFilter.setImageFilter(imageFilter); | |
1138 outerCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWithFilte
r); | |
1139 sk_sp<SkPicture> outerPicture(outerRecorder.finishRecordingAsPicture()); | |
1140 | |
1141 SkBitmap bitmap; | |
1142 bitmap.allocN32Pixels(1, 1); | |
1143 SkCanvas canvas(bitmap); | |
1144 | |
1145 // The result here should be green, since the filter replaces the primitive'
s red interior. | |
1146 canvas.clear(0x0); | |
1147 canvas.drawPicture(outerPicture); | |
1148 uint32_t pixel = *bitmap.getAddr32(0, 0); | |
1149 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1150 | |
1151 // Check that, for now, SkPictureImageFilter does not serialize or | |
1152 // deserialize its contained picture when the filter is serialized | |
1153 // cross-process. Do this by "laundering" it through SkValidatingReadBuffer. | |
1154 SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(imageFilter.get()
)); | |
1155 SkAutoTUnref<SkFlattenable> flattenable(SkValidatingDeserializeFlattenable( | |
1156 data->data(), data->size(), SkImageFilter::GetFlattenableType())); | |
1157 SkImageFilter* unflattenedFilter = static_cast<SkImageFilter*>(flattenable.g
et()); | |
1158 | |
1159 redPaintWithFilter.setImageFilter(unflattenedFilter); | |
1160 SkPictureRecorder crossProcessRecorder; | |
1161 SkCanvas* crossProcessCanvas = crossProcessRecorder.beginRecording(1, 1, &fa
ctory, 0); | |
1162 crossProcessCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWi
thFilter); | |
1163 sk_sp<SkPicture> crossProcessPicture(crossProcessRecorder.finishRecordingAsP
icture()); | |
1164 | |
1165 canvas.clear(0x0); | |
1166 canvas.drawPicture(crossProcessPicture); | |
1167 pixel = *bitmap.getAddr32(0, 0); | |
1168 // If the security precautions are enabled, the result here should not be gr
een, since the | |
1169 // filter draws nothing. | |
1170 REPORTER_ASSERT(reporter, SkPicture::PictureIOSecurityPrecautionsEnabled() | |
1171 ? pixel != SK_ColorGREEN : pixel == SK_ColorGREEN); | |
1172 } | |
1173 | |
1174 static void test_clipped_picture_imagefilter(SkImageFilter::Proxy* proxy, | |
1175 skiatest::Reporter* reporter, | |
1176 GrContext* context) { | |
1177 sk_sp<SkPicture> picture; | |
1178 | |
1179 { | |
1180 SkRTreeFactory factory; | |
1181 SkPictureRecorder recorder; | |
1182 SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory, 0); | |
1183 | |
1184 // Create an SkPicture which simply draws a green 1x1 rectangle. | |
1185 SkPaint greenPaint; | |
1186 greenPaint.setColor(SK_ColorGREEN); | |
1187 recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), greenPain
t); | |
1188 picture = recorder.finishRecordingAsPicture(); | |
1189 } | |
1190 | |
1191 sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 2)); | |
1192 | |
1193 sk_sp<SkImageFilter> imageFilter(SkPictureImageFilter::Make(picture)); | |
1194 | |
1195 SkIPoint offset; | |
1196 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(1, 1, 1, 1), nul
lptr); | |
1197 | |
1198 sk_sp<SkSpecialImage> resultImage(imageFilter->filterImage(srcImg.get(), ctx
, &offset)); | |
1199 REPORTER_ASSERT(reporter, !resultImage); | |
1200 } | |
1201 | |
1202 DEF_TEST(ImageFilterClippedPictureImageFilter, reporter) { | |
1203 run_raster_test(reporter, 2, test_clipped_picture_imagefilter); | |
1204 } | |
1205 | |
1206 #if SK_SUPPORT_GPU | |
1207 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageFilterClippedPictureImageFilter_Gpu,
reporter, context) { | |
1208 run_gpu_test(reporter, context, 2, test_clipped_picture_imagefilter); | |
1209 } | |
1210 #endif | |
1211 | |
1212 DEF_TEST(ImageFilterEmptySaveLayer, reporter) { | |
1213 // Even when there's an empty saveLayer()/restore(), ensure that an image | |
1214 // filter or color filter which affects transparent black still draws. | |
1215 | |
1216 SkBitmap bitmap; | |
1217 bitmap.allocN32Pixels(10, 10); | |
1218 SkCanvas canvas(bitmap); | |
1219 | |
1220 SkRTreeFactory factory; | |
1221 SkPictureRecorder recorder; | |
1222 | |
1223 auto green(SkColorFilter::MakeModeFilter(SK_ColorGREEN, SkXfermode::kSrc_Mod
e)); | |
1224 SkAutoTUnref<SkImageFilter> imageFilter( | |
1225 SkColorFilterImageFilter::Create(green.get())); | |
1226 SkPaint imageFilterPaint; | |
1227 imageFilterPaint.setImageFilter(imageFilter.get()); | |
1228 SkPaint colorFilterPaint; | |
1229 colorFilterPaint.setColorFilter(green); | |
1230 | |
1231 SkRect bounds = SkRect::MakeWH(10, 10); | |
1232 | |
1233 SkCanvas* recordingCanvas = recorder.beginRecording(10, 10, &factory, 0); | |
1234 recordingCanvas->saveLayer(&bounds, &imageFilterPaint); | |
1235 recordingCanvas->restore(); | |
1236 sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); | |
1237 | |
1238 canvas.clear(0); | |
1239 canvas.drawPicture(picture); | |
1240 uint32_t pixel = *bitmap.getAddr32(0, 0); | |
1241 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1242 | |
1243 recordingCanvas = recorder.beginRecording(10, 10, &factory, 0); | |
1244 recordingCanvas->saveLayer(nullptr, &imageFilterPaint); | |
1245 recordingCanvas->restore(); | |
1246 sk_sp<SkPicture> picture2(recorder.finishRecordingAsPicture()); | |
1247 | |
1248 canvas.clear(0); | |
1249 canvas.drawPicture(picture2); | |
1250 pixel = *bitmap.getAddr32(0, 0); | |
1251 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1252 | |
1253 recordingCanvas = recorder.beginRecording(10, 10, &factory, 0); | |
1254 recordingCanvas->saveLayer(&bounds, &colorFilterPaint); | |
1255 recordingCanvas->restore(); | |
1256 sk_sp<SkPicture> picture3(recorder.finishRecordingAsPicture()); | |
1257 | |
1258 canvas.clear(0); | |
1259 canvas.drawPicture(picture3); | |
1260 pixel = *bitmap.getAddr32(0, 0); | |
1261 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1262 } | |
1263 | |
1264 static void test_huge_blur(SkCanvas* canvas, skiatest::Reporter* reporter) { | |
1265 SkBitmap bitmap; | |
1266 bitmap.allocN32Pixels(100, 100); | |
1267 bitmap.eraseARGB(0, 0, 0, 0); | |
1268 | |
1269 // Check that a blur with an insane radius does not crash or assert. | |
1270 SkPaint paint; | |
1271 paint.setImageFilter(SkBlurImageFilter::Make(SkIntToScalar(1<<30), | |
1272 SkIntToScalar(1<<30), | |
1273 nullptr)); | |
1274 canvas->drawBitmap(bitmap, 0, 0, &paint); | |
1275 } | |
1276 | |
1277 DEF_TEST(HugeBlurImageFilter, reporter) { | |
1278 SkBitmap temp; | |
1279 temp.allocN32Pixels(100, 100); | |
1280 SkCanvas canvas(temp); | |
1281 test_huge_blur(&canvas, reporter); | |
1282 } | |
1283 | |
1284 DEF_TEST(MatrixConvolutionSanityTest, reporter) { | |
1285 SkScalar kernel[1] = { 0 }; | |
1286 SkScalar gain = SK_Scalar1, bias = 0; | |
1287 SkIPoint kernelOffset = SkIPoint::Make(1, 1); | |
1288 | |
1289 // Check that an enormous (non-allocatable) kernel gives a nullptr filter. | |
1290 SkAutoTUnref<SkImageFilter> conv(SkMatrixConvolutionImageFilter::Create( | |
1291 SkISize::Make(1<<30, 1<<30), | |
1292 kernel, | |
1293 gain, | |
1294 bias, | |
1295 kernelOffset, | |
1296 SkMatrixConvolutionImageFilter::kRepeat_TileMode, | |
1297 false)); | |
1298 | |
1299 REPORTER_ASSERT(reporter, nullptr == conv.get()); | |
1300 | |
1301 // Check that a nullptr kernel gives a nullptr filter. | |
1302 conv.reset(SkMatrixConvolutionImageFilter::Create( | |
1303 SkISize::Make(1, 1), | |
1304 nullptr, | |
1305 gain, | |
1306 bias, | |
1307 kernelOffset, | |
1308 SkMatrixConvolutionImageFilter::kRepeat_TileMode, | |
1309 false)); | |
1310 | |
1311 REPORTER_ASSERT(reporter, nullptr == conv.get()); | |
1312 | |
1313 // Check that a kernel width < 1 gives a nullptr filter. | |
1314 conv.reset(SkMatrixConvolutionImageFilter::Create( | |
1315 SkISize::Make(0, 1), | |
1316 kernel, | |
1317 gain, | |
1318 bias, | |
1319 kernelOffset, | |
1320 SkMatrixConvolutionImageFilter::kRepeat_TileMode, | |
1321 false)); | |
1322 | |
1323 REPORTER_ASSERT(reporter, nullptr == conv.get()); | |
1324 | |
1325 // Check that kernel height < 1 gives a nullptr filter. | |
1326 conv.reset(SkMatrixConvolutionImageFilter::Create( | |
1327 SkISize::Make(1, -1), | |
1328 kernel, | |
1329 gain, | |
1330 bias, | |
1331 kernelOffset, | |
1332 SkMatrixConvolutionImageFilter::kRepeat_TileMode, | |
1333 false)); | |
1334 | |
1335 REPORTER_ASSERT(reporter, nullptr == conv.get()); | |
1336 } | |
1337 | |
1338 static void test_xfermode_cropped_input(SkCanvas* canvas, skiatest::Reporter* re
porter) { | |
1339 canvas->clear(0); | |
1340 | |
1341 SkBitmap bitmap; | |
1342 bitmap.allocN32Pixels(1, 1); | |
1343 bitmap.eraseARGB(255, 255, 255, 255); | |
1344 | |
1345 auto green(SkColorFilter::MakeModeFilter(SK_ColorGREEN, SkXfermode::kSrcIn_M
ode)); | |
1346 SkAutoTUnref<SkImageFilter> greenFilter(SkColorFilterImageFilter::Create(gre
en.get())); | |
1347 SkImageFilter::CropRect cropRect(SkRect::MakeEmpty()); | |
1348 SkAutoTUnref<SkImageFilter> croppedOut( | |
1349 SkColorFilterImageFilter::Create(green.get(), nullptr, &cropRect)); | |
1350 | |
1351 // Check that an xfermode image filter whose input has been cropped out stil
l draws the other | |
1352 // input. Also check that drawing with both inputs cropped out doesn't cause
a GPU warning. | |
1353 auto mode = SkXfermode::Make(SkXfermode::kSrcOver_Mode); | |
1354 auto xfermodeNoFg(SkXfermodeImageFilter::Make(mode, greenFilter, croppedOut,
nullptr)); | |
1355 auto xfermodeNoBg(SkXfermodeImageFilter::Make(mode, croppedOut, greenFilter,
nullptr)); | |
1356 auto xfermodeNoFgNoBg(SkXfermodeImageFilter::Make(mode, croppedOut, croppedO
ut, nullptr)); | |
1357 | |
1358 SkPaint paint; | |
1359 paint.setImageFilter(xfermodeNoFg); | |
1360 canvas->drawBitmap(bitmap, 0, 0, &paint); // drawSprite | |
1361 | |
1362 uint32_t pixel; | |
1363 SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul
_SkAlphaType); | |
1364 canvas->readPixels(info, &pixel, 4, 0, 0); | |
1365 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1366 | |
1367 paint.setImageFilter(xfermodeNoBg); | |
1368 canvas->drawBitmap(bitmap, 0, 0, &paint); // drawSprite | |
1369 canvas->readPixels(info, &pixel, 4, 0, 0); | |
1370 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1371 | |
1372 paint.setImageFilter(xfermodeNoFgNoBg); | |
1373 canvas->drawBitmap(bitmap, 0, 0, &paint); // drawSprite | |
1374 canvas->readPixels(info, &pixel, 4, 0, 0); | |
1375 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1376 } | |
1377 | |
1378 DEF_TEST(ImageFilterNestedSaveLayer, reporter) { | |
1379 SkBitmap temp; | |
1380 temp.allocN32Pixels(50, 50); | |
1381 SkCanvas canvas(temp); | |
1382 canvas.clear(0x0); | |
1383 | |
1384 SkBitmap bitmap; | |
1385 bitmap.allocN32Pixels(10, 10); | |
1386 bitmap.eraseColor(SK_ColorGREEN); | |
1387 | |
1388 SkMatrix matrix; | |
1389 matrix.setScale(SkIntToScalar(2), SkIntToScalar(2)); | |
1390 matrix.postTranslate(SkIntToScalar(-20), SkIntToScalar(-20)); | |
1391 SkAutoTUnref<SkImageFilter> matrixFilter( | |
1392 SkImageFilter::CreateMatrixFilter(matrix, kLow_SkFilterQuality)); | |
1393 | |
1394 // Test that saveLayer() with a filter nested inside another saveLayer() app
lies the | |
1395 // correct offset to the filter matrix. | |
1396 SkRect bounds1 = SkRect::MakeXYWH(10, 10, 30, 30); | |
1397 canvas.saveLayer(&bounds1, nullptr); | |
1398 SkPaint filterPaint; | |
1399 filterPaint.setImageFilter(matrixFilter); | |
1400 SkRect bounds2 = SkRect::MakeXYWH(20, 20, 10, 10); | |
1401 canvas.saveLayer(&bounds2, &filterPaint); | |
1402 SkPaint greenPaint; | |
1403 greenPaint.setColor(SK_ColorGREEN); | |
1404 canvas.drawRect(bounds2, greenPaint); | |
1405 canvas.restore(); | |
1406 canvas.restore(); | |
1407 SkPaint strokePaint; | |
1408 strokePaint.setStyle(SkPaint::kStroke_Style); | |
1409 strokePaint.setColor(SK_ColorRED); | |
1410 | |
1411 SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul
_SkAlphaType); | |
1412 uint32_t pixel; | |
1413 canvas.readPixels(info, &pixel, 4, 25, 25); | |
1414 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1415 | |
1416 // Test that drawSprite() with a filter nested inside a saveLayer() applies
the | |
1417 // correct offset to the filter matrix. | |
1418 canvas.clear(0x0); | |
1419 canvas.readPixels(info, &pixel, 4, 25, 25); | |
1420 canvas.saveLayer(&bounds1, nullptr); | |
1421 canvas.drawBitmap(bitmap, 20, 20, &filterPaint); // drawSprite | |
1422 canvas.restore(); | |
1423 | |
1424 canvas.readPixels(info, &pixel, 4, 25, 25); | |
1425 REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); | |
1426 } | |
1427 | |
1428 DEF_TEST(XfermodeImageFilterCroppedInput, reporter) { | |
1429 SkBitmap temp; | |
1430 temp.allocN32Pixels(100, 100); | |
1431 SkCanvas canvas(temp); | |
1432 test_xfermode_cropped_input(&canvas, reporter); | |
1433 } | |
1434 | |
1435 static void test_composed_imagefilter_offset(SkImageFilter::Proxy* proxy, | |
1436 skiatest::Reporter* reporter, | |
1437 GrContext* context) { | |
1438 sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 100)
); | |
1439 | |
1440 SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(1, 0, 20, 20)); | |
1441 sk_sp<SkImageFilter> offsetFilter(SkOffsetImageFilter::Make(0, 0, nullptr, &
cropRect)); | |
1442 sk_sp<SkImageFilter> blurFilter(SkBlurImageFilter::Make(SK_Scalar1, SK_Scala
r1, | |
1443 nullptr, &cropRect))
; | |
1444 sk_sp<SkImageFilter> composedFilter(SkComposeImageFilter::Make(std::move(blu
rFilter), | |
1445 std::move(off
setFilter))); | |
1446 SkIPoint offset; | |
1447 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr
); | |
1448 | |
1449 sk_sp<SkSpecialImage> resultImg(composedFilter->filterImage(srcImg.get(), ct
x, &offset)); | |
1450 REPORTER_ASSERT(reporter, resultImg); | |
1451 REPORTER_ASSERT(reporter, offset.fX == 1 && offset.fY == 0); | |
1452 } | |
1453 | |
1454 DEF_TEST(ComposedImageFilterOffset, reporter) { | |
1455 run_raster_test(reporter, 100, test_composed_imagefilter_offset); | |
1456 } | |
1457 | |
1458 #if SK_SUPPORT_GPU | |
1459 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ComposedImageFilterOffset_Gpu, reporter, c
ontext) { | |
1460 run_gpu_test(reporter, context, 100, test_composed_imagefilter_offset); | |
1461 } | |
1462 #endif | |
1463 | |
1464 static void test_composed_imagefilter_bounds(SkImageFilter::Proxy* proxy, | |
1465 skiatest::Reporter* reporter, | |
1466 GrContext* context) { | |
1467 // The bounds passed to the inner filter must be filtered by the outer | |
1468 // filter, so that the inner filter produces the pixels that the outer | |
1469 // filter requires as input. This matters if the outer filter moves pixels. | |
1470 // Here, accounting for the outer offset is necessary so that the green | |
1471 // pixels of the picture are not clipped. | |
1472 | |
1473 SkPictureRecorder recorder; | |
1474 SkCanvas* recordingCanvas = recorder.beginRecording(SkRect::MakeWH(200, 100)
); | |
1475 recordingCanvas->clipRect(SkRect::MakeXYWH(100, 0, 100, 100)); | |
1476 recordingCanvas->clear(SK_ColorGREEN); | |
1477 sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); | |
1478 sk_sp<SkImageFilter> pictureFilter(SkPictureImageFilter::Make(picture)); | |
1479 SkImageFilter::CropRect cropRect(SkRect::MakeWH(100, 100)); | |
1480 sk_sp<SkImageFilter> offsetFilter(SkOffsetImageFilter::Make(-100, 0, nullptr
, &cropRect)); | |
1481 sk_sp<SkImageFilter> composedFilter(SkComposeImageFilter::Make(std::move(off
setFilter), | |
1482 std::move(pic
tureFilter))); | |
1483 | |
1484 sk_sp<SkSpecialImage> sourceImage(create_empty_special_image(context, proxy,
100)); | |
1485 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr
); | |
1486 SkIPoint offset; | |
1487 sk_sp<SkSpecialImage> result(composedFilter->filterImage(sourceImage.get(),
ctx, &offset)); | |
1488 REPORTER_ASSERT(reporter, offset.isZero()); | |
1489 REPORTER_ASSERT(reporter, result); | |
1490 REPORTER_ASSERT(reporter, result->subset().size() == SkISize::Make(100, 100)
); | |
1491 | |
1492 SkBitmap resultBM; | |
1493 TestingSpecialImageAccess::GetROPixels(result.get(), &resultBM); | |
1494 SkAutoLockPixels lock(resultBM); | |
1495 REPORTER_ASSERT(reporter, resultBM.getColor(50, 50) == SK_ColorGREEN); | |
1496 } | |
1497 | |
1498 DEF_TEST(ComposedImageFilterBounds, reporter) { | |
1499 run_raster_test(reporter, 100, test_composed_imagefilter_bounds); | |
1500 } | |
1501 | |
1502 #if SK_SUPPORT_GPU | |
1503 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ComposedImageFilterBounds_Gpu, reporter, c
ontext) { | |
1504 run_gpu_test(reporter, context, 100, test_composed_imagefilter_bounds); | |
1505 } | |
1506 #endif | |
1507 | |
1508 static void test_partial_crop_rect(SkImageFilter::Proxy* proxy, | |
1509 skiatest::Reporter* reporter, | |
1510 GrContext* context) { | |
1511 sk_sp<SkSpecialImage> srcImg(create_empty_special_image(context, proxy, 100)
); | |
1512 | |
1513 SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(100, 0, 20, 30), | |
1514 SkImageFilter::CropRect::kHasWidth_CropEdge | SkImageFilter::CropRect::k
HasHeight_CropEdge); | |
1515 SkAutoTUnref<SkImageFilter> filter(make_grayscale(nullptr, &cropRect)); | |
1516 SkIPoint offset; | |
1517 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr
); | |
1518 | |
1519 sk_sp<SkSpecialImage> resultImg(filter->filterImage(srcImg.get(), ctx, &offs
et)); | |
1520 REPORTER_ASSERT(reporter, resultImg); | |
1521 | |
1522 REPORTER_ASSERT(reporter, offset.fX == 0); | |
1523 REPORTER_ASSERT(reporter, offset.fY == 0); | |
1524 REPORTER_ASSERT(reporter, resultImg->width() == 20); | |
1525 REPORTER_ASSERT(reporter, resultImg->height() == 30); | |
1526 } | |
1527 | |
1528 DEF_TEST(PartialCropRect, reporter) { | |
1529 run_raster_test(reporter, 100, test_partial_crop_rect); | |
1530 } | |
1531 | |
1532 #if SK_SUPPORT_GPU | |
1533 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(PartialCropRect_Gpu, reporter, context) { | |
1534 run_gpu_test(reporter, context, 100, test_partial_crop_rect); | |
1535 } | |
1536 #endif | |
1537 | |
1538 DEF_TEST(ImageFilterCanComputeFastBounds, reporter) { | |
1539 | |
1540 SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1); | |
1541 SkAutoTUnref<SkImageFilter> lighting(SkLightingImageFilter::CreatePointLitDi
ffuse( | |
1542 location, SK_ColorGREEN, 0, 0)); | |
1543 REPORTER_ASSERT(reporter, !lighting->canComputeFastBounds()); | |
1544 | |
1545 { | |
1546 sk_sp<SkImageFilter> gray(make_grayscale(nullptr, nullptr)); | |
1547 REPORTER_ASSERT(reporter, gray->canComputeFastBounds()); | |
1548 { | |
1549 SkColorFilter* grayCF; | |
1550 REPORTER_ASSERT(reporter, gray->asAColorFilter(&grayCF)); | |
1551 REPORTER_ASSERT(reporter, !grayCF->affectsTransparentBlack()); | |
1552 grayCF->unref(); | |
1553 } | |
1554 REPORTER_ASSERT(reporter, gray->canComputeFastBounds()); | |
1555 | |
1556 sk_sp<SkImageFilter> grayBlur(SkBlurImageFilter::Make(SK_Scalar1, SK_Sca
lar1, | |
1557 std::move(gray))); | |
1558 REPORTER_ASSERT(reporter, grayBlur->canComputeFastBounds()); | |
1559 } | |
1560 | |
1561 { | |
1562 SkScalar greenMatrix[20] = { 0, 0, 0, 0, 0, | |
1563 0, 0, 0, 0, 1, | |
1564 0, 0, 0, 0, 0, | |
1565 0, 0, 0, 0, 1 }; | |
1566 sk_sp<SkColorFilter> greenCF(SkColorFilter::MakeMatrixFilterRowMajor255(
greenMatrix)); | |
1567 sk_sp<SkImageFilter> green(SkColorFilterImageFilter::Create(greenCF.get(
))); | |
1568 | |
1569 REPORTER_ASSERT(reporter, greenCF->affectsTransparentBlack()); | |
1570 REPORTER_ASSERT(reporter, !green->canComputeFastBounds()); | |
1571 | |
1572 sk_sp<SkImageFilter> greenBlur(SkBlurImageFilter::Make(SK_Scalar1, SK_Sc
alar1, | |
1573 std::move(green))
); | |
1574 REPORTER_ASSERT(reporter, !greenBlur->canComputeFastBounds()); | |
1575 } | |
1576 | |
1577 uint8_t allOne[256], identity[256]; | |
1578 for (int i = 0; i < 256; ++i) { | |
1579 identity[i] = i; | |
1580 allOne[i] = 255; | |
1581 } | |
1582 | |
1583 auto identityCF(SkTableColorFilter::MakeARGB(identity, identity, identity, a
llOne)); | |
1584 SkAutoTUnref<SkImageFilter> identityFilter(SkColorFilterImageFilter::Create(
identityCF.get())); | |
1585 REPORTER_ASSERT(reporter, !identityCF->affectsTransparentBlack()); | |
1586 REPORTER_ASSERT(reporter, identityFilter->canComputeFastBounds()); | |
1587 | |
1588 auto forceOpaqueCF(SkTableColorFilter::MakeARGB(allOne, identity, identity,
identity)); | |
1589 SkAutoTUnref<SkImageFilter> forceOpaque(SkColorFilterImageFilter::Create(for
ceOpaqueCF.get())); | |
1590 REPORTER_ASSERT(reporter, forceOpaqueCF->affectsTransparentBlack()); | |
1591 REPORTER_ASSERT(reporter, !forceOpaque->canComputeFastBounds()); | |
1592 } | |
1593 | |
1594 // Verify that SkImageSource survives serialization | |
1595 DEF_TEST(ImageFilterImageSourceSerialization, reporter) { | |
1596 auto surface(SkSurface::MakeRasterN32Premul(10, 10)); | |
1597 surface->getCanvas()->clear(SK_ColorGREEN); | |
1598 sk_sp<SkImage> image(surface->makeImageSnapshot()); | |
1599 sk_sp<SkImageFilter> filter(SkImageSource::Make(std::move(image))); | |
1600 | |
1601 sk_sp<SkData> data(SkValidatingSerializeFlattenable(filter.get())); | |
1602 sk_sp<SkFlattenable> flattenable(SkValidatingDeserializeFlattenable( | |
1603 data->data(), data->size(), SkImageFilter::GetFlattenableType())); | |
1604 SkImageFilter* unflattenedFilter = static_cast<SkImageFilter*>(flattenable.g
et()); | |
1605 REPORTER_ASSERT(reporter, unflattenedFilter); | |
1606 | |
1607 SkBitmap bm; | |
1608 bm.allocN32Pixels(10, 10); | |
1609 bm.eraseColor(SK_ColorBLUE); | |
1610 SkPaint paint; | |
1611 paint.setColor(SK_ColorRED); | |
1612 paint.setImageFilter(unflattenedFilter); | |
1613 | |
1614 SkCanvas canvas(bm); | |
1615 canvas.drawRect(SkRect::MakeWH(10, 10), paint); | |
1616 REPORTER_ASSERT(reporter, *bm.getAddr32(0, 0) == SkPreMultiplyColor(SK_Color
GREEN)); | |
1617 } | |
1618 | |
1619 static void test_large_blur_input(skiatest::Reporter* reporter, SkCanvas* canvas
) { | |
1620 SkBitmap largeBmp; | |
1621 int largeW = 5000; | |
1622 int largeH = 5000; | |
1623 #if SK_SUPPORT_GPU | |
1624 // If we're GPU-backed make the bitmap too large to be converted into a text
ure. | |
1625 if (GrContext* ctx = canvas->getGrContext()) { | |
1626 largeW = ctx->caps()->maxTextureSize() + 1; | |
1627 } | |
1628 #endif | |
1629 | |
1630 largeBmp.allocN32Pixels(largeW, largeH); | |
1631 largeBmp.eraseColor(0); | |
1632 if (!largeBmp.getPixels()) { | |
1633 ERRORF(reporter, "Failed to allocate large bmp."); | |
1634 return; | |
1635 } | |
1636 | |
1637 sk_sp<SkImage> largeImage(SkImage::MakeFromBitmap(largeBmp)); | |
1638 if (!largeImage) { | |
1639 ERRORF(reporter, "Failed to create large image."); | |
1640 return; | |
1641 } | |
1642 | |
1643 sk_sp<SkImageFilter> largeSource(SkImageSource::Make(std::move(largeImage)))
; | |
1644 if (!largeSource) { | |
1645 ERRORF(reporter, "Failed to create large SkImageSource."); | |
1646 return; | |
1647 } | |
1648 | |
1649 sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(10.f, 10.f, std::move(larg
eSource))); | |
1650 if (!blur) { | |
1651 ERRORF(reporter, "Failed to create SkBlurImageFilter."); | |
1652 return; | |
1653 } | |
1654 | |
1655 SkPaint paint; | |
1656 paint.setImageFilter(std::move(blur)); | |
1657 | |
1658 // This should not crash (http://crbug.com/570479). | |
1659 canvas->drawRect(SkRect::MakeIWH(largeW, largeH), paint); | |
1660 } | |
1661 | |
1662 DEF_TEST(BlurLargeImage, reporter) { | |
1663 auto surface(SkSurface::MakeRaster(SkImageInfo::MakeN32Premul(100, 100))); | |
1664 test_large_blur_input(reporter, surface->getCanvas()); | |
1665 } | |
1666 | |
1667 #if SK_SUPPORT_GPU | |
1668 | |
1669 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(HugeBlurImageFilter_Gpu, reporter, context
) { | |
1670 const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); | |
1671 | |
1672 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, | |
1673 SkBudgeted::kNo, | |
1674 SkImageInfo::MakeN32Pre
mul(100, 100), | |
1675 0, | |
1676 &props, | |
1677 SkGpuDevice::kUninit_In
itContents)); | |
1678 SkCanvas canvas(device); | |
1679 | |
1680 test_huge_blur(&canvas, reporter); | |
1681 } | |
1682 | |
1683 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(XfermodeImageFilterCroppedInput_Gpu, repor
ter, context) { | |
1684 const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); | |
1685 | |
1686 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, | |
1687 SkBudgeted::kNo, | |
1688 SkImageInfo::MakeN32Pre
mul(1, 1), | |
1689 0, | |
1690 &props, | |
1691 SkGpuDevice::kUninit_In
itContents)); | |
1692 SkCanvas canvas(device); | |
1693 | |
1694 test_xfermode_cropped_input(&canvas, reporter); | |
1695 } | |
1696 | |
1697 DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(BlurLargeImage_Gpu, reporter, context) { | |
1698 auto surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, | |
1699 SkImageInfo::MakeN32Premul(100, 100
))); | |
1700 test_large_blur_input(reporter, surface->getCanvas()); | |
1701 } | |
1702 #endif | |
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