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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBitmap.h" | 8 #include "SkBitmap.h" |
9 #include "SkBitmapDevice.h" | 9 #include "SkBitmapDevice.h" |
10 #include "SkBitmapSource.h" | 10 #include "SkBitmapSource.h" |
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300 SkAutoTUnref<SkShader> shader( | 300 SkAutoTUnref<SkShader> shader( |
301 SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, NULL
, 2, | 301 SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, NULL
, 2, |
302 SkShader::kClamp_TileMode) | 302 SkShader::kClamp_TileMode) |
303 ); | 303 ); |
304 SkPaint paint; | 304 SkPaint paint; |
305 paint.setShader(shader); | 305 paint.setShader(shader); |
306 canvas.drawCircle(x, y, radius, paint); | 306 canvas.drawCircle(x, y, radius, paint); |
307 return bitmap; | 307 return bitmap; |
308 } | 308 } |
309 | 309 |
| 310 static void test_negative_blur_sigma(SkBaseDevice* device, skiatest::Reporter* r
eporter) { |
| 311 // Check that SkBlurImageFilter will accept a negative sigma, either in |
| 312 // the given arguments or after CTM application. |
| 313 int width = 32, height = 32; |
| 314 SkDeviceImageFilterProxy proxy(device); |
| 315 SkScalar five = SkIntToScalar(5); |
| 316 |
| 317 SkAutoTUnref<SkBlurImageFilter> positiveFilter( |
| 318 SkBlurImageFilter::Create(five, five) |
| 319 ); |
| 320 |
| 321 SkAutoTUnref<SkBlurImageFilter> negativeFilter( |
| 322 SkBlurImageFilter::Create(-five, five) |
| 323 ); |
| 324 |
| 325 SkBitmap gradient = make_gradient_circle(width, height); |
| 326 SkBitmap positiveResult1, negativeResult1; |
| 327 SkBitmap positiveResult2, negativeResult2; |
| 328 SkIPoint offset; |
| 329 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), NULL); |
| 330 positiveFilter->filterImage(&proxy, gradient, ctx, &positiveResult1, &offset
); |
| 331 negativeFilter->filterImage(&proxy, gradient, ctx, &negativeResult1, &offset
); |
| 332 SkMatrix negativeScale; |
| 333 negativeScale.setScale(-SK_Scalar1, SK_Scalar1); |
| 334 SkImageFilter::Context negativeCTX(negativeScale, SkIRect::MakeLargest(), NU
LL); |
| 335 positiveFilter->filterImage(&proxy, gradient, negativeCTX, &negativeResult2,
&offset); |
| 336 negativeFilter->filterImage(&proxy, gradient, negativeCTX, &positiveResult2,
&offset); |
| 337 SkAutoLockPixels lockP1(positiveResult1); |
| 338 SkAutoLockPixels lockP2(positiveResult2); |
| 339 SkAutoLockPixels lockN1(negativeResult1); |
| 340 SkAutoLockPixels lockN2(negativeResult2); |
| 341 for (int y = 0; y < height; y++) { |
| 342 int diffs = memcmp(positiveResult1.getAddr32(0, y), negativeResult1.getA
ddr32(0, y), positiveResult1.rowBytes()); |
| 343 REPORTER_ASSERT(reporter, !diffs); |
| 344 if (diffs) { |
| 345 break; |
| 346 } |
| 347 diffs = memcmp(positiveResult1.getAddr32(0, y), negativeResult2.getAddr3
2(0, y), positiveResult1.rowBytes()); |
| 348 REPORTER_ASSERT(reporter, !diffs); |
| 349 if (diffs) { |
| 350 break; |
| 351 } |
| 352 diffs = memcmp(positiveResult1.getAddr32(0, y), positiveResult2.getAddr3
2(0, y), positiveResult1.rowBytes()); |
| 353 REPORTER_ASSERT(reporter, !diffs); |
| 354 if (diffs) { |
| 355 break; |
| 356 } |
| 357 } |
| 358 } |
| 359 |
| 360 DEF_TEST(TestNegativeBlurSigma, reporter) { |
| 361 SkBitmap temp; |
| 362 temp.allocN32Pixels(100, 100); |
| 363 SkBitmapDevice device(temp); |
| 364 test_negative_blur_sigma(&device, reporter); |
| 365 } |
| 366 |
310 DEF_TEST(ImageFilterDrawTiled, reporter) { | 367 DEF_TEST(ImageFilterDrawTiled, reporter) { |
311 // Check that all filters when drawn tiled (with subsequent clip rects) exac
tly | 368 // Check that all filters when drawn tiled (with subsequent clip rects) exac
tly |
312 // match the same filters drawn with a single full-canvas bitmap draw. | 369 // match the same filters drawn with a single full-canvas bitmap draw. |
313 // Tests pass by not asserting. | 370 // Tests pass by not asserting. |
314 | 371 |
315 SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED,
SkXfermode::kSrcIn_Mode)); | 372 SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED,
SkXfermode::kSrcIn_Mode)); |
316 SkPoint3 location(0, 0, SK_Scalar1); | 373 SkPoint3 location(0, 0, SK_Scalar1); |
317 SkPoint3 target(SK_Scalar1, SK_Scalar1, SK_Scalar1); | 374 SkPoint3 target(SK_Scalar1, SK_Scalar1, SK_Scalar1); |
318 SkScalar kernel[9] = { | 375 SkScalar kernel[9] = { |
319 SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), | 376 SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), |
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959 test_huge_blur(device, reporter); | 1016 test_huge_blur(device, reporter); |
960 } | 1017 } |
961 | 1018 |
962 DEF_GPUTEST(XfermodeImageFilterCroppedInputGPU, reporter, factory) { | 1019 DEF_GPUTEST(XfermodeImageFilterCroppedInputGPU, reporter, factory) { |
963 GrContext* context = factory->get(static_cast<GrContextFactory::GLContextTyp
e>(0)); | 1020 GrContext* context = factory->get(static_cast<GrContextFactory::GLContextTyp
e>(0)); |
964 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, | 1021 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, |
965 SkImageInfo::MakeN32Pre
mul(1, 1), | 1022 SkImageInfo::MakeN32Pre
mul(1, 1), |
966 0)); | 1023 0)); |
967 test_xfermode_cropped_input(device, reporter); | 1024 test_xfermode_cropped_input(device, reporter); |
968 } | 1025 } |
| 1026 |
| 1027 DEF_GPUTEST(TestNegativeBlurSigmaGPU, reporter, factory) { |
| 1028 GrContext* context = factory->get(static_cast<GrContextFactory::GLContextTyp
e>(0)); |
| 1029 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, |
| 1030 SkImageInfo::MakeN32Pre
mul(1, 1), |
| 1031 0)); |
| 1032 test_negative_blur_sigma(device, reporter); |
| 1033 } |
969 #endif | 1034 #endif |
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