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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 "SkDisplacementMapEffect.h" | 8 #include "SkDisplacementMapEffect.h" |
9 #include "SkImage.h" | 9 #include "SkImage.h" |
10 #include "SkImageSource.h" | 10 #include "SkImageSource.h" |
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23 SkString onShortName() override { | 23 SkString onShortName() override { |
24 return SkString("displacement"); | 24 return SkString("displacement"); |
25 } | 25 } |
26 | 26 |
27 void onOnceBeforeDraw() override { | 27 void onOnceBeforeDraw() override { |
28 fBitmap = sk_tool_utils::create_string_bitmap(80, 80, 0xFF884422, 15, 55
, 96, "g"); | 28 fBitmap = sk_tool_utils::create_string_bitmap(80, 80, 0xFF884422, 15, 55
, 96, "g"); |
29 | 29 |
30 SkColor c1 = sk_tool_utils::color_to_565(0xFF244484); | 30 SkColor c1 = sk_tool_utils::color_to_565(0xFF244484); |
31 SkColor c2 = sk_tool_utils::color_to_565(0xFF804020); | 31 SkColor c2 = sk_tool_utils::color_to_565(0xFF804020); |
32 | 32 |
33 fCheckerboard.reset(SkImage::NewFromBitmap( | 33 fCheckerboard = SkImage::MakeFromBitmap( |
34 sk_tool_utils::create_checkerboard_bitmap(80, 80, c1, c2, 8))); | 34 sk_tool_utils::create_checkerboard_bitmap(80, 80, c1, c2, 8)); |
35 fSmall.reset(SkImage::NewFromBitmap( | 35 fSmall = SkImage::MakeFromBitmap( |
36 sk_tool_utils::create_checkerboard_bitmap(64, 64, c1, c2, 8))); | 36 sk_tool_utils::create_checkerboard_bitmap(64, 64, c1, c2, 8)); |
37 fLarge.reset(SkImage::NewFromBitmap( | 37 fLarge = SkImage::MakeFromBitmap( |
38 sk_tool_utils::create_checkerboard_bitmap(96, 96, c1, c2, 8))); | 38 sk_tool_utils::create_checkerboard_bitmap(96, 96, c1, c2, 8)); |
39 fLargeW.reset( | 39 fLargeW = |
40 SkImage::NewFromBitmap(sk_tool_utils::create_checkerboard_bitmap(96,
64, c1, c2, 8))); | 40 SkImage::MakeFromBitmap(sk_tool_utils::create_checkerboard_bitmap(96
, 64, c1, c2, 8)); |
41 fLargeH.reset(SkImage::NewFromBitmap( | 41 fLargeH = SkImage::MakeFromBitmap( |
42 sk_tool_utils::create_checkerboard_bitmap(64, 96, c1, c2, 8))); | 42 sk_tool_utils::create_checkerboard_bitmap(64, 96, c1, c2, 8)); |
43 } | 43 } |
44 | 44 |
45 SkISize onISize() override { | 45 SkISize onISize() override { |
46 return SkISize::Make(600, 500); | 46 return SkISize::Make(600, 500); |
47 } | 47 } |
48 | 48 |
49 void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint)
const { | 49 void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint)
const { |
50 canvas->save(); | 50 canvas->save(); |
51 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); | 51 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
52 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(fBitmap.width()), SkIntToS
calar(fBitmap.height()))); | 52 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(fBitmap.width()), SkIntToS
calar(fBitmap.height()))); |
53 canvas->drawBitmap(fBitmap, 0, 0, &paint); | 53 canvas->drawBitmap(fBitmap, 0, 0, &paint); |
54 canvas->restore(); | 54 canvas->restore(); |
55 } | 55 } |
56 | 56 |
57 void onDraw(SkCanvas* canvas) override { | 57 void onDraw(SkCanvas* canvas) override { |
58 canvas->clear(SK_ColorBLACK); | 58 canvas->clear(SK_ColorBLACK); |
59 SkPaint paint; | 59 SkPaint paint; |
60 SkAutoTUnref<SkImageFilter> displ(SkImageSource::Create(fCheckerboard)); | 60 SkAutoTUnref<SkImageFilter> displ(SkImageSource::Create(fCheckerboard.ge
t())); |
61 paint.setImageFilter(SkDisplacementMapEffect::Create( | 61 paint.setImageFilter(SkDisplacementMapEffect::Create( |
62 SkDisplacementMapEffect::kR_ChannelSelectorType, | 62 SkDisplacementMapEffect::kR_ChannelSelectorType, |
63 SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ))->unre
f(); | 63 SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ))->unre
f(); |
64 drawClippedBitmap(canvas, 0, 0, paint); | 64 drawClippedBitmap(canvas, 0, 0, paint); |
65 paint.setImageFilter(SkDisplacementMapEffect::Create( | 65 paint.setImageFilter(SkDisplacementMapEffect::Create( |
66 SkDisplacementMapEffect::kB_ChannelSelectorType, | 66 SkDisplacementMapEffect::kB_ChannelSelectorType, |
67 SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ))->unr
ef(); | 67 SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ))->unr
ef(); |
68 drawClippedBitmap(canvas, 100, 0, paint); | 68 drawClippedBitmap(canvas, 100, 0, paint); |
69 paint.setImageFilter(SkDisplacementMapEffect::Create( | 69 paint.setImageFilter(SkDisplacementMapEffect::Create( |
70 SkDisplacementMapEffect::kR_ChannelSelectorType, | 70 SkDisplacementMapEffect::kR_ChannelSelectorType, |
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154 drawClippedBitmap(canvas, 400, 300, paint); | 154 drawClippedBitmap(canvas, 400, 300, paint); |
155 | 155 |
156 // Test for negative scale. | 156 // Test for negative scale. |
157 paint.setImageFilter(SkDisplacementMapEffect::Create( | 157 paint.setImageFilter(SkDisplacementMapEffect::Create( |
158 SkDisplacementMapEffect::kG_ChannelSelectorType, | 158 SkDisplacementMapEffect::kG_ChannelSelectorType, |
159 SkDisplacementMapEffect::kA_ChannelSelectorType, | 159 SkDisplacementMapEffect::kA_ChannelSelectorType, |
160 -40.0f, displ))->unref(); | 160 -40.0f, displ))->unref(); |
161 this->drawClippedBitmap(canvas, 500, 0, paint); | 161 this->drawClippedBitmap(canvas, 500, 0, paint); |
162 | 162 |
163 // Tests for images of different sizes | 163 // Tests for images of different sizes |
164 displ.reset(SkImageSource::Create(fSmall)); | 164 displ.reset(SkImageSource::Create(fSmall.get())); |
165 paint.setImageFilter(SkDisplacementMapEffect::Create( | 165 paint.setImageFilter(SkDisplacementMapEffect::Create( |
166 SkDisplacementMapEffect::kR_ChannelSelectorType, | 166 SkDisplacementMapEffect::kR_ChannelSelectorType, |
167 SkDisplacementMapEffect::kG_ChannelSelectorType, | 167 SkDisplacementMapEffect::kG_ChannelSelectorType, |
168 40.0f, displ))->unref(); | 168 40.0f, displ))->unref(); |
169 drawClippedBitmap(canvas, 0, 400, paint); | 169 drawClippedBitmap(canvas, 0, 400, paint); |
170 displ.reset(SkImageSource::Create(fLarge)); | 170 displ.reset(SkImageSource::Create(fLarge.get())); |
171 paint.setImageFilter(SkDisplacementMapEffect::Create( | 171 paint.setImageFilter(SkDisplacementMapEffect::Create( |
172 SkDisplacementMapEffect::kB_ChannelSelectorType, | 172 SkDisplacementMapEffect::kB_ChannelSelectorType, |
173 SkDisplacementMapEffect::kA_ChannelSelectorType, | 173 SkDisplacementMapEffect::kA_ChannelSelectorType, |
174 40.0f, displ))->unref(); | 174 40.0f, displ))->unref(); |
175 drawClippedBitmap(canvas, 100, 400, paint); | 175 drawClippedBitmap(canvas, 100, 400, paint); |
176 displ.reset(SkImageSource::Create(fLargeW)); | 176 displ.reset(SkImageSource::Create(fLargeW.get())); |
177 paint.setImageFilter(SkDisplacementMapEffect::Create( | 177 paint.setImageFilter(SkDisplacementMapEffect::Create( |
178 SkDisplacementMapEffect::kR_ChannelSelectorType, | 178 SkDisplacementMapEffect::kR_ChannelSelectorType, |
179 SkDisplacementMapEffect::kB_ChannelSelectorType, | 179 SkDisplacementMapEffect::kB_ChannelSelectorType, |
180 40.0f, displ))->unref(); | 180 40.0f, displ))->unref(); |
181 drawClippedBitmap(canvas, 200, 400, paint); | 181 drawClippedBitmap(canvas, 200, 400, paint); |
182 displ.reset(SkImageSource::Create(fLargeH)); | 182 displ.reset(SkImageSource::Create(fLargeH.get())); |
183 paint.setImageFilter(SkDisplacementMapEffect::Create( | 183 paint.setImageFilter(SkDisplacementMapEffect::Create( |
184 SkDisplacementMapEffect::kG_ChannelSelectorType, | 184 SkDisplacementMapEffect::kG_ChannelSelectorType, |
185 SkDisplacementMapEffect::kA_ChannelSelectorType, | 185 SkDisplacementMapEffect::kA_ChannelSelectorType, |
186 40.0f, displ))->unref(); | 186 40.0f, displ))->unref(); |
187 drawClippedBitmap(canvas, 300, 400, paint); | 187 drawClippedBitmap(canvas, 300, 400, paint); |
188 | 188 |
189 // Test for no given displacement input. In this case, both displacement | 189 // Test for no given displacement input. In this case, both displacement |
190 // and color should use the same bitmap, given to SkCanvas::drawBitmap() | 190 // and color should use the same bitmap, given to SkCanvas::drawBitmap() |
191 // as an input argument. | 191 // as an input argument. |
192 paint.setImageFilter(SkDisplacementMapEffect::Create( | 192 paint.setImageFilter(SkDisplacementMapEffect::Create( |
193 SkDisplacementMapEffect::kG_ChannelSelectorType, | 193 SkDisplacementMapEffect::kG_ChannelSelectorType, |
194 SkDisplacementMapEffect::kA_ChannelSelectorType, | 194 SkDisplacementMapEffect::kA_ChannelSelectorType, |
195 40.0f, nullptr))->unref(); | 195 40.0f, nullptr))->unref(); |
196 drawClippedBitmap(canvas, 400, 400, paint); | 196 drawClippedBitmap(canvas, 400, 400, paint); |
197 } | 197 } |
198 | 198 |
199 private: | 199 private: |
200 SkBitmap fBitmap; | 200 SkBitmap fBitmap; |
201 SkAutoTUnref<SkImage> fCheckerboard, fSmall, fLarge, fLargeW, fLargeH; | 201 sk_sp<SkImage> fCheckerboard, fSmall, fLarge, fLargeW, fLargeH; |
202 | 202 |
203 typedef GM INHERITED; | 203 typedef GM INHERITED; |
204 }; | 204 }; |
205 | 205 |
206 ////////////////////////////////////////////////////////////////////////////// | 206 ////////////////////////////////////////////////////////////////////////////// |
207 | 207 |
208 DEF_GM(return new DisplacementMapGM;) | 208 DEF_GM(return new DisplacementMapGM;) |
209 } | 209 } |
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