tests/ImageFilterTest.cpp.orig - Issue 1912583002: Remove stray files

Side by Side Diff: tests/ImageFilterTest.cpp.orig

Issue 1912583002: Remove stray files (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: Created 4 years, 8 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

OLD	NEW
	(Empty)
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

OLD	NEW

« no previous file with comments | « no previous file | tests/ImageFilterTest.cpp.rej » ('j') | no next file with comments »