sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 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 "gm.h" |
| 9 | #include "SkDisplacementMapEffect.h" |
| 10 | #include "SkBitmapSource.h" |
| 11 | |
| 12 | namespace skiagm { |
| 13 | |
| 14 | class DisplacementMapGM : public GM { |
| 15 | public: |
| 16 | DisplacementMapGM() : fInitialized(false) { |
| 17 | this->setBGColor(0xFF000000); |
| 18 | } |
| 19 | |
| 20 | protected: |
| 21 | virtual SkString onShortName() { |
| 22 | return SkString("displacement"); |
| 23 | } |
| 24 | |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 25 | void make_bitmaps() { |
| 26 | make_bitmap(); |
| 27 | make_checkerboard(&fCheckerboard, 80, 80); |
| 28 | make_checkerboard(&fSmall, 64, 64); |
| 29 | make_checkerboard(&fLarge, 96, 96); |
| 30 | make_checkerboard(&fLargeW, 96, 64); |
| 31 | make_checkerboard(&fLargeH, 64, 96); |
| 32 | } |
| 33 | |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 34 | void make_bitmap() { |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 35 | fBitmap.allocN32Pixels(80, 80); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 36 | SkCanvas canvas(fBitmap); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 37 | canvas.clear(0x00000000); |
| 38 | SkPaint paint; |
| 39 | paint.setAntiAlias(true); |
caryclark | 5fb6bd4 | 2014-06-23 11:25:00 -0700 | [diff] [blame] | 40 | sk_tool_utils::set_portable_typeface(&paint); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 41 | paint.setColor(0xFF884422); |
| 42 | paint.setTextSize(SkIntToScalar(96)); |
| 43 | const char* str = "g"; |
| 44 | canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55), paint); |
| 45 | } |
| 46 | |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 47 | void make_checkerboard(SkBitmap* bitmap, int w, int h) { |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 48 | bitmap->allocN32Pixels(w, h); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 49 | SkCanvas canvas(*bitmap); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 50 | canvas.clear(0x00000000); |
| 51 | SkPaint darkPaint; |
| 52 | darkPaint.setColor(0xFF804020); |
| 53 | SkPaint lightPaint; |
| 54 | lightPaint.setColor(0xFF244484); |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 55 | for (int y = 0; y < h; y += 16) { |
| 56 | for (int x = 0; x < w; x += 16) { |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 57 | canvas.save(); |
| 58 | canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 59 | canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); |
| 60 | canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); |
| 61 | canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); |
| 62 | canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); |
| 63 | canvas.restore(); |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | virtual SkISize onISize() { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 69 | return SkISize::Make(500, 500); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 70 | } |
skia.committer@gmail.com | ff21c2e | 2013-01-16 07:05:56 +0000 | [diff] [blame] | 71 | |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 72 | void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint) { |
| 73 | canvas->save(); |
senorblanco@chromium.org | bc386ce | 2013-10-15 19:30:58 +0000 | [diff] [blame] | 74 | canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 75 | canvas->clipRect(SkRect::MakeWH(SkIntToScalar(fBitmap.width()), SkIntToScalar(fBitmap.height()))); |
| 76 | canvas->drawBitmap(fBitmap, 0, 0, &paint); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 77 | canvas->restore(); |
| 78 | } |
| 79 | |
| 80 | virtual void onDraw(SkCanvas* canvas) { |
| 81 | if (!fInitialized) { |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 82 | make_bitmaps(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 83 | fInitialized = true; |
| 84 | } |
| 85 | canvas->clear(0x00000000); |
| 86 | SkPaint paint; |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 87 | SkAutoTUnref<SkImageFilter> displ(SkBitmapSource::Create(fCheckerboard)); |
| 88 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 89 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 90 | SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 91 | drawClippedBitmap(canvas, 0, 0, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 92 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 93 | SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 94 | SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 95 | drawClippedBitmap(canvas, 100, 0, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 96 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 97 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 98 | SkDisplacementMapEffect::kB_ChannelSelectorType, 32.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 99 | drawClippedBitmap(canvas, 200, 0, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 100 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 101 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 102 | SkDisplacementMapEffect::kA_ChannelSelectorType, 48.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 103 | drawClippedBitmap(canvas, 300, 0, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 104 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 105 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 106 | SkDisplacementMapEffect::kA_ChannelSelectorType, 64.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 107 | drawClippedBitmap(canvas, 400, 0, paint); |
| 108 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 109 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 110 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 111 | SkDisplacementMapEffect::kG_ChannelSelectorType, 40.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 112 | drawClippedBitmap(canvas, 0, 100, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 113 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 114 | SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 115 | SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 116 | drawClippedBitmap(canvas, 100, 100, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 117 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 118 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 119 | SkDisplacementMapEffect::kB_ChannelSelectorType, 40.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 120 | drawClippedBitmap(canvas, 200, 100, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 121 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 122 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 123 | SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 124 | drawClippedBitmap(canvas, 300, 100, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 125 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 126 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 127 | SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ))->unref(); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 128 | drawClippedBitmap(canvas, 400, 100, paint); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 129 | |
| 130 | SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(30, 30, 40, 40)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 131 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 132 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 133 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 134 | 0.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 135 | drawClippedBitmap(canvas, 0, 200, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 136 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 137 | SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 138 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 139 | 16.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 140 | drawClippedBitmap(canvas, 100, 200, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 141 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 142 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 143 | SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 144 | 32.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 145 | drawClippedBitmap(canvas, 200, 200, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 146 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 147 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 148 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 149 | 48.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 150 | drawClippedBitmap(canvas, 300, 200, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 151 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 152 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 153 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 154 | 64.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 155 | drawClippedBitmap(canvas, 400, 200, paint); |
| 156 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 157 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 158 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 159 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 160 | 40.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 161 | drawClippedBitmap(canvas, 0, 300, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 162 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 163 | SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 164 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 165 | 40.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 166 | drawClippedBitmap(canvas, 100, 300, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 167 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 168 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 169 | SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 170 | 40.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 171 | drawClippedBitmap(canvas, 200, 300, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 172 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 173 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 174 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 175 | 40.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 176 | drawClippedBitmap(canvas, 300, 300, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 177 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 178 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 179 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 180 | 40.0f, displ, NULL, &cropRect))->unref(); |
senorblanco@chromium.org | 01bdf3c | 2013-10-15 19:02:43 +0000 | [diff] [blame] | 181 | drawClippedBitmap(canvas, 400, 300, paint); |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 182 | |
commit-bot@chromium.org | 6d7296a | 2013-12-19 17:00:46 +0000 | [diff] [blame] | 183 | // Tests for images of different sizes |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 184 | displ.reset(SkBitmapSource::Create(fSmall)); |
| 185 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 186 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 187 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 188 | 40.0f, displ))->unref(); |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 189 | drawClippedBitmap(canvas, 0, 400, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 190 | displ.reset(SkBitmapSource::Create(fLarge)); |
| 191 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 192 | SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 193 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 194 | 40.0f, displ))->unref(); |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 195 | drawClippedBitmap(canvas, 100, 400, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 196 | displ.reset(SkBitmapSource::Create(fLargeW)); |
| 197 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 198 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 199 | SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 200 | 40.0f, displ))->unref(); |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 201 | drawClippedBitmap(canvas, 200, 400, paint); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 202 | displ.reset(SkBitmapSource::Create(fLargeH)); |
| 203 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 204 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 205 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 206 | 40.0f, displ))->unref(); |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 207 | drawClippedBitmap(canvas, 300, 400, paint); |
commit-bot@chromium.org | 6d7296a | 2013-12-19 17:00:46 +0000 | [diff] [blame] | 208 | |
| 209 | // Test for no given displacement input. In this case, both displacement |
| 210 | // and color should use the same bitmap, given to SkCanvas::drawBitmap() |
| 211 | // as an input argument. |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 212 | paint.setImageFilter(SkDisplacementMapEffect::Create( |
| 213 | SkDisplacementMapEffect::kG_ChannelSelectorType, |
| 214 | SkDisplacementMapEffect::kA_ChannelSelectorType, |
| 215 | 40.0f, NULL))->unref(); |
commit-bot@chromium.org | 6d7296a | 2013-12-19 17:00:46 +0000 | [diff] [blame] | 216 | drawClippedBitmap(canvas, 400, 400, paint); |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | private: |
| 220 | typedef GM INHERITED; |
commit-bot@chromium.org | 5e79c2b | 2013-12-12 21:48:32 +0000 | [diff] [blame] | 221 | SkBitmap fBitmap, fCheckerboard, fSmall, fLarge, fLargeW, fLargeH; |
sugoi@google.com | 781cc76 | 2013-01-15 15:40:19 +0000 | [diff] [blame] | 222 | bool fInitialized; |
| 223 | }; |
| 224 | |
| 225 | ////////////////////////////////////////////////////////////////////////////// |
| 226 | |
| 227 | static GM* MyFactory(void*) { return new DisplacementMapGM; } |
| 228 | static GMRegistry reg(MyFactory); |
| 229 | |
| 230 | } |