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Side by Side Diff: tests/ImageFilterTest.cpp

Issue 1301823005: Reland of Implement canComputeFastBounds() for image filters. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 4 months ago
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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"
(...skipping 12 matching lines...) Expand all
23 #include "SkMorphologyImageFilter.h" 23 #include "SkMorphologyImageFilter.h"
24 #include "SkOffsetImageFilter.h" 24 #include "SkOffsetImageFilter.h"
25 #include "SkPerlinNoiseShader.h" 25 #include "SkPerlinNoiseShader.h"
26 #include "SkPicture.h" 26 #include "SkPicture.h"
27 #include "SkPictureImageFilter.h" 27 #include "SkPictureImageFilter.h"
28 #include "SkPictureRecorder.h" 28 #include "SkPictureRecorder.h"
29 #include "SkPoint3.h" 29 #include "SkPoint3.h"
30 #include "SkReadBuffer.h" 30 #include "SkReadBuffer.h"
31 #include "SkRect.h" 31 #include "SkRect.h"
32 #include "SkRectShaderImageFilter.h" 32 #include "SkRectShaderImageFilter.h"
33 #include "SkTableColorFilter.h"
33 #include "SkTileImageFilter.h" 34 #include "SkTileImageFilter.h"
34 #include "SkXfermodeImageFilter.h" 35 #include "SkXfermodeImageFilter.h"
35 #include "Test.h" 36 #include "Test.h"
36 37
37 #if SK_SUPPORT_GPU 38 #if SK_SUPPORT_GPU
38 #include "GrContextFactory.h" 39 #include "GrContextFactory.h"
39 #include "SkGpuDevice.h" 40 #include "SkGpuDevice.h"
40 #endif 41 #endif
41 42
42 static const int kBitmapSize = 4; 43 static const int kBitmapSize = 4;
(...skipping 1109 matching lines...) Expand 10 before | Expand all | Expand 10 after
1152 SkBitmap result; 1153 SkBitmap result;
1153 SkIPoint offset; 1154 SkIPoint offset;
1154 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), NULL); 1155 SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), NULL);
1155 REPORTER_ASSERT(reporter, filter->filterImage(&proxy, bitmap, ctx, &result, &offset)); 1156 REPORTER_ASSERT(reporter, filter->filterImage(&proxy, bitmap, ctx, &result, &offset));
1156 REPORTER_ASSERT(reporter, offset.fX == 0); 1157 REPORTER_ASSERT(reporter, offset.fX == 0);
1157 REPORTER_ASSERT(reporter, offset.fY == 0); 1158 REPORTER_ASSERT(reporter, offset.fY == 0);
1158 REPORTER_ASSERT(reporter, result.width() == 20); 1159 REPORTER_ASSERT(reporter, result.width() == 20);
1159 REPORTER_ASSERT(reporter, result.height() == 30); 1160 REPORTER_ASSERT(reporter, result.height() == 30);
1160 } 1161 }
1161 1162
1163 DEF_TEST(ImageFilterCanComputeFastBounds, reporter) {
1164
1165 SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1);
1166 SkAutoTUnref<SkImageFilter> lighting(SkLightingImageFilter::CreatePointLitDi ffuse(
1167 location, SK_ColorGREEN, 0, 0));
1168 REPORTER_ASSERT(reporter, !lighting->canComputeFastBounds());
1169
1170 SkAutoTUnref<SkImageFilter> gray(make_grayscale(nullptr, nullptr));
1171 REPORTER_ASSERT(reporter, gray->canComputeFastBounds());
1172 {
1173 SkColorFilter* grayCF;
1174 REPORTER_ASSERT(reporter, gray->asAColorFilter(&grayCF));
1175 REPORTER_ASSERT(reporter, !grayCF->affectsTransparentBlack());
1176 grayCF->unref();
1177 }
1178 REPORTER_ASSERT(reporter, gray->canComputeFastBounds());
1179
1180 SkAutoTUnref<SkImageFilter> grayBlur(SkBlurImageFilter::Create(SK_Scalar1, S K_Scalar1, gray.get()));
1181 REPORTER_ASSERT(reporter, grayBlur->canComputeFastBounds());
1182
1183 SkScalar greenMatrix[20] = { 0, 0, 0, 0, 0,
1184 0, 0, 0, 0, 1,
1185 0, 0, 0, 0, 0,
1186 0, 0, 0, 0, 1 };
1187 SkAutoTUnref<SkColorFilter> greenCF(SkColorMatrixFilter::Create(greenMatrix) );
1188 SkAutoTUnref<SkImageFilter> green(SkColorFilterImageFilter::Create(greenCF)) ;
1189
1190 REPORTER_ASSERT(reporter, greenCF->affectsTransparentBlack());
1191 REPORTER_ASSERT(reporter, !green->canComputeFastBounds());
1192
1193 SkAutoTUnref<SkImageFilter> greenBlur(SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, green.get()));
1194 REPORTER_ASSERT(reporter, !greenBlur->canComputeFastBounds());
1195
1196 uint8_t allOne[256], identity[256];
1197 for (int i = 0; i < 256; ++i) {
1198 identity[i] = i;
1199 allOne[i] = 255;
1200 }
1201
1202 SkAutoTUnref<SkColorFilter> identityCF(
1203 SkTableColorFilter::CreateARGB(identity, identity, identity, allOne));
1204 SkAutoTUnref<SkImageFilter> identityFilter(SkColorFilterImageFilter::Create( identityCF.get()));
1205 REPORTER_ASSERT(reporter, !identityCF->affectsTransparentBlack());
1206 REPORTER_ASSERT(reporter, identityFilter->canComputeFastBounds());
1207
1208 SkAutoTUnref<SkColorFilter> forceOpaqueCF(
1209 SkTableColorFilter::CreateARGB(allOne, identity, identity, identity));
1210 SkAutoTUnref<SkImageFilter> forceOpaque(SkColorFilterImageFilter::Create(for ceOpaqueCF.get()));
1211 REPORTER_ASSERT(reporter, forceOpaqueCF->affectsTransparentBlack());
1212 REPORTER_ASSERT(reporter, !forceOpaque->canComputeFastBounds());
1213 }
1214
1162 #if SK_SUPPORT_GPU 1215 #if SK_SUPPORT_GPU
1163 1216
1164 DEF_GPUTEST(ImageFilterCropRectGPU, reporter, factory) { 1217 DEF_GPUTEST(ImageFilterCropRectGPU, reporter, factory) {
1165 GrContext* context = factory->get(static_cast<GrContextFactory::GLContextTyp e>(0)); 1218 GrContext* context = factory->get(static_cast<GrContextFactory::GLContextTyp e>(0));
1166 if (NULL == context) { 1219 if (NULL == context) {
1167 return; 1220 return;
1168 } 1221 }
1169 const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); 1222 const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType);
1170 1223
1171 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, 1224 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
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1226 SkSurface::kNo_Budgeted , 1279 SkSurface::kNo_Budgeted ,
1227 SkImageInfo::MakeN32Pre mul(1, 1), 1280 SkImageInfo::MakeN32Pre mul(1, 1),
1228 0, 1281 0,
1229 &props, 1282 &props,
1230 SkGpuDevice::kUninit_In itContents)); 1283 SkGpuDevice::kUninit_In itContents));
1231 SkImageFilter::Proxy proxy(device); 1284 SkImageFilter::Proxy proxy(device);
1232 1285
1233 test_negative_blur_sigma(&proxy, reporter); 1286 test_negative_blur_sigma(&proxy, reporter);
1234 } 1287 }
1235 #endif 1288 #endif
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