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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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126 static SkImageFilter* make_scale(float amount, SkImageFilter* input = NULL) { | 126 static SkImageFilter* make_scale(float amount, SkImageFilter* input = NULL) { |
127 SkScalar s = amount; | 127 SkScalar s = amount; |
128 SkScalar matrix[20] = { s, 0, 0, 0, 0, | 128 SkScalar matrix[20] = { s, 0, 0, 0, 0, |
129 0, s, 0, 0, 0, | 129 0, s, 0, 0, 0, |
130 0, 0, s, 0, 0, | 130 0, 0, s, 0, 0, |
131 0, 0, 0, s, 0 }; | 131 0, 0, 0, s, 0 }; |
132 SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix)); | 132 SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix)); |
133 return SkColorFilterImageFilter::Create(filter, input); | 133 return SkColorFilterImageFilter::Create(filter, input); |
134 } | 134 } |
135 | 135 |
136 static SkImageFilter* make_grayscale(SkImageFilter* input, const SkImageFilter::
CropRect* cropRect) { | 136 static SkImageFilter* make_grayscale(SkImageFilter* input = NULL, const SkImageF
ilter::CropRect* cropRect = NULL) { |
137 SkScalar matrix[20]; | 137 SkScalar matrix[20]; |
138 memset(matrix, 0, 20 * sizeof(SkScalar)); | 138 memset(matrix, 0, 20 * sizeof(SkScalar)); |
139 matrix[0] = matrix[5] = matrix[10] = 0.2126f; | 139 matrix[0] = matrix[5] = matrix[10] = 0.2126f; |
140 matrix[1] = matrix[6] = matrix[11] = 0.7152f; | 140 matrix[1] = matrix[6] = matrix[11] = 0.7152f; |
141 matrix[2] = matrix[7] = matrix[12] = 0.0722f; | 141 matrix[2] = matrix[7] = matrix[12] = 0.0722f; |
142 matrix[18] = 1.0f; | 142 matrix[18] = 1.0f; |
143 SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix)); | 143 SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix)); |
144 return SkColorFilterImageFilter::Create(filter, input, cropRect); | 144 return SkColorFilterImageFilter::Create(filter, input, cropRect); |
145 } | 145 } |
146 | 146 |
147 static SkImageFilter* make_blue(SkImageFilter* input, const SkImageFilter::CropR
ect* cropRect) { | |
148 SkAutoTUnref<SkColorFilter> filter(SkColorFilter::CreateModeFilter(SK_ColorB
LUE, | |
149 SkXfermod
e::kSrcIn_Mode)); | |
150 return SkColorFilterImageFilter::Create(filter, input, cropRect); | |
151 } | |
152 | |
153 DEF_TEST(ImageFilter, reporter) { | 147 DEF_TEST(ImageFilter, reporter) { |
154 { | 148 { |
155 // Check that two non-clipping color-matrice-filters concatenate into a
single filter. | 149 // Check that two non-clipping color matrices concatenate into a single
filter. |
156 SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f)); | 150 SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f)); |
157 SkAutoTUnref<SkImageFilter> quarterBrightness(make_scale(0.5f, halfBrigh
tness)); | 151 SkAutoTUnref<SkImageFilter> quarterBrightness(make_scale(0.5f, halfBrigh
tness)); |
158 REPORTER_ASSERT(reporter, NULL == quarterBrightness->getInput(0)); | 152 REPORTER_ASSERT(reporter, NULL == quarterBrightness->getInput(0)); |
159 SkColorFilter* cf; | |
160 REPORTER_ASSERT(reporter, quarterBrightness->asColorFilter(&cf)); | |
161 REPORTER_ASSERT(reporter, cf->asColorMatrix(NULL)); | |
162 cf->unref(); | |
163 } | 153 } |
164 | 154 |
165 { | 155 { |
166 // Check that a clipping color-matrice-filter followed by a color-matric
e-filters | 156 // Check that a clipping color matrix followed by a grayscale does not c
oncatenate into a single filter. |
167 // concatenates into a single filter, but not a matrixfilter (due to cla
mping). | |
168 SkAutoTUnref<SkImageFilter> doubleBrightness(make_scale(2.0f)); | 157 SkAutoTUnref<SkImageFilter> doubleBrightness(make_scale(2.0f)); |
169 SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f, doubleBright
ness)); | 158 SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f, doubleBright
ness)); |
170 REPORTER_ASSERT(reporter, NULL == halfBrightness->getInput(0)); | 159 REPORTER_ASSERT(reporter, halfBrightness->getInput(0)); |
171 SkColorFilter* cf; | |
172 REPORTER_ASSERT(reporter, halfBrightness->asColorFilter(&cf)); | |
173 REPORTER_ASSERT(reporter, !cf->asColorMatrix(NULL)); | |
174 cf->unref(); | |
175 } | 160 } |
176 | 161 |
177 { | 162 { |
178 // Check that a color filter image filter without a crop rect can be | 163 // Check that a color filter image filter without a crop rect can be |
179 // expressed as a color filter. | 164 // expressed as a color filter. |
180 SkAutoTUnref<SkImageFilter> gray(make_grayscale(NULL, NULL)); | 165 SkAutoTUnref<SkImageFilter> gray(make_grayscale()); |
181 REPORTER_ASSERT(reporter, true == gray->asColorFilter(NULL)); | 166 REPORTER_ASSERT(reporter, true == gray->asColorFilter(NULL)); |
182 } | 167 } |
183 | 168 |
184 { | |
185 // Check that a colorfilterimage filter without a crop rect but with an
input | |
186 // that is another colorfilterimage can be expressed as a colorfilter (c
omposed). | |
187 SkAutoTUnref<SkImageFilter> mode(make_blue(NULL, NULL)); | |
188 SkAutoTUnref<SkImageFilter> gray(make_grayscale(mode, NULL)); | |
189 REPORTER_ASSERT(reporter, true == gray->asColorFilter(NULL)); | |
190 } | |
191 | |
192 { | 169 { |
193 // Check that a color filter image filter with a crop rect cannot | 170 // Check that a color filter image filter with a crop rect cannot |
194 // be expressed as a color filter. | 171 // be expressed as a color filter. |
195 SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(0, 0, 100, 100)); | 172 SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(0, 0, 100, 100)); |
196 SkAutoTUnref<SkImageFilter> grayWithCrop(make_grayscale(NULL, &cropRect)
); | 173 SkAutoTUnref<SkImageFilter> grayWithCrop(make_grayscale(NULL, &cropRect)
); |
197 REPORTER_ASSERT(reporter, false == grayWithCrop->asColorFilter(NULL)); | 174 REPORTER_ASSERT(reporter, false == grayWithCrop->asColorFilter(NULL)); |
198 } | 175 } |
199 | 176 |
200 { | 177 { |
201 // Check that two non-commutative matrices are concatenated in | 178 // Check that two non-commutative matrices are concatenated in |
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1160 DEF_GPUTEST(TestNegativeBlurSigmaGPU, reporter, factory) { | 1137 DEF_GPUTEST(TestNegativeBlurSigmaGPU, reporter, factory) { |
1161 GrContext* context = factory->get(static_cast<GrContextFactory::GLContextTyp
e>(0)); | 1138 GrContext* context = factory->get(static_cast<GrContextFactory::GLContextTyp
e>(0)); |
1162 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, | 1139 SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, |
1163 SkSurface::kNo_Budgeted
, | 1140 SkSurface::kNo_Budgeted
, |
1164 SkImageInfo::MakeN32Pre
mul(1, 1), | 1141 SkImageInfo::MakeN32Pre
mul(1, 1), |
1165 0, | 1142 0, |
1166 &gProps)); | 1143 &gProps)); |
1167 test_negative_blur_sigma(device, reporter); | 1144 test_negative_blur_sigma(device, reporter); |
1168 } | 1145 } |
1169 #endif | 1146 #endif |
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