commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +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 | #include "SampleCode.h" |
| 8 | #include "SkBicubicImageFilter.h" |
commit-bot@chromium.org | 77e079a | 2013-10-28 15:52:02 +0000 | [diff] [blame] | 9 | #include "SkBitmapDevice.h" |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 10 | #include "SkBitmapSource.h" |
| 11 | #include "SkBlurImageFilter.h" |
| 12 | #include "SkCanvas.h" |
| 13 | #include "SkColorFilter.h" |
| 14 | #include "SkColorFilterImageFilter.h" |
| 15 | #include "SkComposeImageFilter.h" |
commit-bot@chromium.org | 77e079a | 2013-10-28 15:52:02 +0000 | [diff] [blame] | 16 | #include "SkData.h" |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 17 | #include "SkDisplacementMapEffect.h" |
| 18 | #include "SkDropShadowImageFilter.h" |
| 19 | #include "SkFlattenableSerialization.h" |
| 20 | #include "SkLightingImageFilter.h" |
| 21 | #include "SkMagnifierImageFilter.h" |
| 22 | #include "SkMergeImageFilter.h" |
| 23 | #include "SkMorphologyImageFilter.h" |
| 24 | #include "SkOffsetImageFilter.h" |
| 25 | #include "SkPerlinNoiseShader.h" |
commit-bot@chromium.org | 7b8d72d | 2014-01-16 22:54:41 +0000 | [diff] [blame] | 26 | #include "SkPictureImageFilter.h" |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 27 | #include "SkRandom.h" |
| 28 | #include "SkRectShaderImageFilter.h" |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 29 | #include "SkTileImageFilter.h" |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 30 | #include "SkView.h" |
| 31 | #include "SkXfermodeImageFilter.h" |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 32 | #include <stdio.h> |
| 33 | #include <time.h> |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 34 | |
commit-bot@chromium.org | c2e9db3 | 2013-12-06 20:14:46 +0000 | [diff] [blame] | 35 | //#define SK_ADD_RANDOM_BIT_FLIPS |
| 36 | //#define SK_FUZZER_IS_VERBOSE |
| 37 | |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 38 | static const uint32_t kSeed = (uint32_t)(time(NULL)); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 39 | static SkRandom gRand(kSeed); |
| 40 | static bool return_large = false; |
| 41 | static bool return_undef = false; |
| 42 | |
| 43 | static const int kBitmapSize = 24; |
| 44 | |
| 45 | static int R(float x) { |
| 46 | return (int)floor(SkScalarToFloat(gRand.nextUScalar1()) * x); |
| 47 | } |
| 48 | |
| 49 | #if defined _WIN32 |
| 50 | #pragma warning ( push ) |
| 51 | // we are intentionally causing an overflow here |
| 52 | // (warning C4756: overflow in constant arithmetic) |
| 53 | #pragma warning ( disable : 4756 ) |
| 54 | #endif |
| 55 | |
| 56 | static float huge() { |
| 57 | double d = 1e100; |
| 58 | float f = (float)d; |
| 59 | return f; |
| 60 | } |
| 61 | |
| 62 | #if defined _WIN32 |
| 63 | #pragma warning ( pop ) |
| 64 | #endif |
| 65 | |
| 66 | static float make_number(bool positiveOnly) { |
| 67 | float f = positiveOnly ? 1.0f : 0.0f; |
| 68 | float v = f; |
| 69 | int sel; |
| 70 | |
| 71 | if (return_large) sel = R(6); else sel = R(4); |
| 72 | if (!return_undef && sel == 0) sel = 1; |
| 73 | |
| 74 | if (R(2) == 1) v = (float)(R(100)+f); else |
| 75 | |
| 76 | switch (sel) { |
| 77 | case 0: break; |
| 78 | case 1: v = f; break; |
| 79 | case 2: v = 0.000001f; break; |
| 80 | case 3: v = 10000.0f; break; |
| 81 | case 4: v = 2000000000.0f; break; |
| 82 | case 5: v = huge(); break; |
| 83 | } |
| 84 | |
| 85 | if (!positiveOnly && (R(4) == 1)) v = -v; |
| 86 | return v; |
| 87 | } |
| 88 | |
| 89 | static SkScalar make_scalar(bool positiveOnly = false) { |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 90 | return make_number(positiveOnly); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 91 | } |
| 92 | |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 93 | static SkRect make_rect() { |
| 94 | return SkRect::MakeWH(SkIntToScalar(R(static_cast<float>(kBitmapSize))), |
| 95 | SkIntToScalar(R(static_cast<float>(kBitmapSize)))); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | static SkXfermode::Mode make_xfermode() { |
| 99 | return static_cast<SkXfermode::Mode>(R(SkXfermode::kLastMode+1)); |
| 100 | } |
| 101 | |
| 102 | static SkColor make_color() { |
| 103 | return (R(2) == 1) ? 0xFFC0F0A0 : 0xFF000090; |
| 104 | } |
| 105 | |
| 106 | static SkPoint3 make_point() { |
| 107 | return SkPoint3(make_scalar(), make_scalar(), make_scalar(true)); |
| 108 | } |
| 109 | |
| 110 | static SkDisplacementMapEffect::ChannelSelectorType make_channel_selector_type() { |
| 111 | return static_cast<SkDisplacementMapEffect::ChannelSelectorType>(R(4)+1); |
| 112 | } |
| 113 | |
commit-bot@chromium.org | a8c1831 | 2014-02-17 02:55:57 +0000 | [diff] [blame] | 114 | static bool valid_for_raster_canvas(const SkImageInfo& info) { |
| 115 | switch (info.colorType()) { |
| 116 | case kAlpha_8_SkColorType: |
| 117 | case kRGB_565_SkColorType: |
| 118 | return true; |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 119 | case kN32_SkColorType: |
commit-bot@chromium.org | a8c1831 | 2014-02-17 02:55:57 +0000 | [diff] [blame] | 120 | return kPremul_SkAlphaType == info.alphaType() || |
| 121 | kOpaque_SkAlphaType == info.alphaType(); |
| 122 | default: |
| 123 | break; |
commit-bot@chromium.org | ef74fa1 | 2013-12-17 20:49:46 +0000 | [diff] [blame] | 124 | } |
commit-bot@chromium.org | a8c1831 | 2014-02-17 02:55:57 +0000 | [diff] [blame] | 125 | return false; |
| 126 | } |
| 127 | |
| 128 | static SkColorType rand_colortype() { |
| 129 | return (SkColorType)R(kLastEnum_SkColorType + 1); |
| 130 | } |
| 131 | |
| 132 | static void rand_bitmap_for_canvas(SkBitmap* bitmap) { |
| 133 | SkImageInfo info; |
| 134 | do { |
| 135 | info = SkImageInfo::Make(kBitmapSize, kBitmapSize, rand_colortype(), |
| 136 | kPremul_SkAlphaType); |
| 137 | } while (!valid_for_raster_canvas(info) || !bitmap->allocPixels(info)); |
| 138 | } |
| 139 | |
| 140 | static void make_g_bitmap(SkBitmap& bitmap) { |
| 141 | rand_bitmap_for_canvas(&bitmap); |
| 142 | |
| 143 | SkCanvas canvas(bitmap); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 144 | canvas.clear(0x00000000); |
| 145 | SkPaint paint; |
| 146 | paint.setAntiAlias(true); |
| 147 | paint.setColor(0xFF884422); |
| 148 | paint.setTextSize(SkIntToScalar(kBitmapSize/2)); |
| 149 | const char* str = "g"; |
| 150 | canvas.drawText(str, strlen(str), SkIntToScalar(kBitmapSize/8), |
| 151 | SkIntToScalar(kBitmapSize/4), paint); |
| 152 | } |
| 153 | |
| 154 | static void make_checkerboard_bitmap(SkBitmap& bitmap) { |
commit-bot@chromium.org | a8c1831 | 2014-02-17 02:55:57 +0000 | [diff] [blame] | 155 | rand_bitmap_for_canvas(&bitmap); |
| 156 | |
| 157 | SkCanvas canvas(bitmap); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 158 | canvas.clear(0x00000000); |
| 159 | SkPaint darkPaint; |
| 160 | darkPaint.setColor(0xFF804020); |
| 161 | SkPaint lightPaint; |
| 162 | lightPaint.setColor(0xFF244484); |
| 163 | const int i = kBitmapSize / 8; |
| 164 | const SkScalar f = SkIntToScalar(i); |
| 165 | for (int y = 0; y < kBitmapSize; y += i) { |
| 166 | for (int x = 0; x < kBitmapSize; x += i) { |
| 167 | canvas.save(); |
| 168 | canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 169 | canvas.drawRect(SkRect::MakeXYWH(0, 0, f, f), darkPaint); |
| 170 | canvas.drawRect(SkRect::MakeXYWH(f, 0, f, f), lightPaint); |
| 171 | canvas.drawRect(SkRect::MakeXYWH(0, f, f, f), lightPaint); |
| 172 | canvas.drawRect(SkRect::MakeXYWH(f, f, f, f), darkPaint); |
| 173 | canvas.restore(); |
| 174 | } |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | static const SkBitmap& make_bitmap() { |
| 179 | static SkBitmap bitmap[2]; |
| 180 | static bool initialized = false; |
| 181 | if (!initialized) { |
| 182 | make_g_bitmap(bitmap[0]); |
| 183 | make_checkerboard_bitmap(bitmap[1]); |
| 184 | initialized = true; |
| 185 | } |
| 186 | return bitmap[R(2)]; |
| 187 | } |
| 188 | |
commit-bot@chromium.org | 5e0995e | 2014-02-07 12:20:04 +0000 | [diff] [blame] | 189 | #ifdef SK_ALLOW_PICTUREIMAGEFILTER_SERIALIZATION |
| 190 | static void drawSomething(SkCanvas* canvas) { |
| 191 | SkPaint paint; |
| 192 | |
| 193 | canvas->save(); |
| 194 | canvas->scale(0.5f, 0.5f); |
| 195 | canvas->drawBitmap(make_bitmap(), 0, 0, NULL); |
| 196 | canvas->restore(); |
| 197 | |
| 198 | const char beforeStr[] = "before circle"; |
| 199 | const char afterStr[] = "after circle"; |
| 200 | |
| 201 | paint.setAntiAlias(true); |
| 202 | |
| 203 | paint.setColor(SK_ColorRED); |
| 204 | canvas->drawData(beforeStr, sizeof(beforeStr)); |
| 205 | canvas->drawCircle(SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/3), paint); |
| 206 | canvas->drawData(afterStr, sizeof(afterStr)); |
| 207 | paint.setColor(SK_ColorBLACK); |
| 208 | paint.setTextSize(SkIntToScalar(kBitmapSize/3)); |
| 209 | canvas->drawText("Picture", 7, SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/4), paint); |
| 210 | } |
| 211 | #endif |
| 212 | |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 213 | static SkImageFilter* make_image_filter(bool canBeNull = true) { |
| 214 | SkImageFilter* filter = 0; |
| 215 | |
| 216 | // Add a 1 in 3 chance to get a NULL input |
| 217 | if (canBeNull && (R(3) == 1)) { return filter; } |
| 218 | |
| 219 | enum { BICUBIC, MERGE, COLOR, BLUR, MAGNIFIER, XFERMODE, OFFSET, COMPOSE, |
| 220 | DISTANT_LIGHT, POINT_LIGHT, SPOT_LIGHT, NOISE, DROP_SHADOW, |
commit-bot@chromium.org | 7b8d72d | 2014-01-16 22:54:41 +0000 | [diff] [blame] | 221 | MORPHOLOGY, BITMAP, DISPLACE, TILE, PICTURE, NUM_FILTERS }; |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 222 | |
| 223 | switch (R(NUM_FILTERS)) { |
| 224 | case BICUBIC: |
| 225 | // Scale is set to 1 here so that it can fit in the DAG without resizing the output |
| 226 | filter = SkBicubicImageFilter::CreateMitchell(SkSize::Make(1, 1), make_image_filter()); |
| 227 | break; |
| 228 | case MERGE: |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 229 | filter = SkMergeImageFilter::Create(make_image_filter(), make_image_filter(), make_xfermode()); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 230 | break; |
| 231 | case COLOR: |
| 232 | { |
| 233 | SkAutoTUnref<SkColorFilter> cf((R(2) == 1) ? |
| 234 | SkColorFilter::CreateModeFilter(make_color(), make_xfermode()) : |
| 235 | SkColorFilter::CreateLightingFilter(make_color(), make_color())); |
| 236 | filter = cf.get() ? SkColorFilterImageFilter::Create(cf, make_image_filter()) : 0; |
| 237 | } |
| 238 | break; |
| 239 | case BLUR: |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 240 | filter = SkBlurImageFilter::Create(make_scalar(true), make_scalar(true), make_image_filter()); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 241 | break; |
| 242 | case MAGNIFIER: |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 243 | filter = SkMagnifierImageFilter::Create(make_rect(), make_scalar(true)); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 244 | break; |
| 245 | case XFERMODE: |
| 246 | { |
| 247 | SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(make_xfermode())); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 248 | filter = SkXfermodeImageFilter::Create(mode, make_image_filter(), make_image_filter()); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 249 | } |
| 250 | break; |
| 251 | case OFFSET: |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 252 | filter = SkOffsetImageFilter::Create(make_scalar(), make_scalar(), make_image_filter()); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 253 | break; |
| 254 | case COMPOSE: |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 255 | filter = SkComposeImageFilter::Create(make_image_filter(), make_image_filter()); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 256 | break; |
| 257 | case DISTANT_LIGHT: |
| 258 | filter = (R(2) == 1) ? |
| 259 | SkLightingImageFilter::CreateDistantLitDiffuse(make_point(), |
| 260 | make_color(), make_scalar(), make_scalar(), make_image_filter()) : |
| 261 | SkLightingImageFilter::CreateDistantLitSpecular(make_point(), |
| 262 | make_color(), make_scalar(), make_scalar(), SkIntToScalar(R(10)), |
| 263 | make_image_filter()); |
| 264 | break; |
| 265 | case POINT_LIGHT: |
| 266 | filter = (R(2) == 1) ? |
| 267 | SkLightingImageFilter::CreatePointLitDiffuse(make_point(), |
| 268 | make_color(), make_scalar(), make_scalar(), make_image_filter()) : |
| 269 | SkLightingImageFilter::CreatePointLitSpecular(make_point(), |
| 270 | make_color(), make_scalar(), make_scalar(), SkIntToScalar(R(10)), |
| 271 | make_image_filter()); |
| 272 | break; |
| 273 | case SPOT_LIGHT: |
| 274 | filter = (R(2) == 1) ? |
| 275 | SkLightingImageFilter::CreateSpotLitDiffuse(SkPoint3(0, 0, 0), |
| 276 | make_point(), make_scalar(), make_scalar(), make_color(), |
| 277 | make_scalar(), make_scalar(), make_image_filter()) : |
| 278 | SkLightingImageFilter::CreateSpotLitSpecular(SkPoint3(0, 0, 0), |
| 279 | make_point(), make_scalar(), make_scalar(), make_color(), |
| 280 | make_scalar(), make_scalar(), SkIntToScalar(R(10)), make_image_filter()); |
| 281 | break; |
| 282 | case NOISE: |
| 283 | { |
| 284 | SkAutoTUnref<SkShader> shader((R(2) == 1) ? |
| 285 | SkPerlinNoiseShader::CreateFractalNoise( |
sugoi@google.com | bb8148b | 2013-09-19 19:51:27 +0000 | [diff] [blame] | 286 | make_scalar(true), make_scalar(true), R(10.0f), make_scalar()) : |
commit-bot@chromium.org | 9fbbcca | 2014-04-01 16:09:37 +0000 | [diff] [blame] | 287 | SkPerlinNoiseShader::CreateTurbulence( |
sugoi@google.com | bb8148b | 2013-09-19 19:51:27 +0000 | [diff] [blame] | 288 | make_scalar(true), make_scalar(true), R(10.0f), make_scalar())); |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 289 | SkImageFilter::CropRect cropR(SkRect::MakeWH(SkIntToScalar(kBitmapSize), |
| 290 | SkIntToScalar(kBitmapSize))); |
| 291 | filter = SkRectShaderImageFilter::Create(shader, &cropR); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 292 | } |
| 293 | break; |
| 294 | case DROP_SHADOW: |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 295 | filter = SkDropShadowImageFilter::Create(make_scalar(), make_scalar(), |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 296 | make_scalar(true), make_color(), make_image_filter()); |
| 297 | break; |
| 298 | case MORPHOLOGY: |
commit-bot@chromium.org | 43f4a55 | 2014-01-15 20:20:24 +0000 | [diff] [blame] | 299 | if (R(2) == 1) { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 300 | filter = SkDilateImageFilter::Create(R(static_cast<float>(kBitmapSize)), |
sugoi@google.com | bb8148b | 2013-09-19 19:51:27 +0000 | [diff] [blame] | 301 | R(static_cast<float>(kBitmapSize)), make_image_filter()); |
commit-bot@chromium.org | 43f4a55 | 2014-01-15 20:20:24 +0000 | [diff] [blame] | 302 | } else { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 303 | filter = SkErodeImageFilter::Create(R(static_cast<float>(kBitmapSize)), |
sugoi@google.com | bb8148b | 2013-09-19 19:51:27 +0000 | [diff] [blame] | 304 | R(static_cast<float>(kBitmapSize)), make_image_filter()); |
commit-bot@chromium.org | 43f4a55 | 2014-01-15 20:20:24 +0000 | [diff] [blame] | 305 | } |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 306 | break; |
| 307 | case BITMAP: |
commit-bot@chromium.org | 43f4a55 | 2014-01-15 20:20:24 +0000 | [diff] [blame] | 308 | if (R(2) == 1) { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 309 | filter = SkBitmapSource::Create(make_bitmap(), make_rect(), make_rect()); |
commit-bot@chromium.org | 43f4a55 | 2014-01-15 20:20:24 +0000 | [diff] [blame] | 310 | } else { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 311 | filter = SkBitmapSource::Create(make_bitmap()); |
commit-bot@chromium.org | 43f4a55 | 2014-01-15 20:20:24 +0000 | [diff] [blame] | 312 | } |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 313 | break; |
| 314 | case DISPLACE: |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 315 | filter = SkDisplacementMapEffect::Create(make_channel_selector_type(), |
| 316 | make_channel_selector_type(), make_scalar(), |
| 317 | make_image_filter(false), make_image_filter()); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 318 | break; |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 319 | case TILE: |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 320 | filter = SkTileImageFilter::Create(make_rect(), make_rect(), make_image_filter(false)); |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 321 | break; |
commit-bot@chromium.org | 7b8d72d | 2014-01-16 22:54:41 +0000 | [diff] [blame] | 322 | case PICTURE: |
commit-bot@chromium.org | 5e0995e | 2014-02-07 12:20:04 +0000 | [diff] [blame] | 323 | { |
| 324 | SkPicture* pict = NULL; |
| 325 | #ifdef SK_ALLOW_PICTUREIMAGEFILTER_SERIALIZATION |
| 326 | pict = new SkPicture; |
| 327 | SkAutoUnref aur(pict); |
| 328 | drawSomething(pict->beginRecording(kBitmapSize, kBitmapSize)); |
| 329 | pict->endRecording(); |
| 330 | #endif |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 331 | filter = SkPictureImageFilter::Create(pict, make_rect()); |
commit-bot@chromium.org | 5e0995e | 2014-02-07 12:20:04 +0000 | [diff] [blame] | 332 | } |
commit-bot@chromium.org | 7b8d72d | 2014-01-16 22:54:41 +0000 | [diff] [blame] | 333 | break; |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 334 | default: |
| 335 | break; |
| 336 | } |
| 337 | return (filter || canBeNull) ? filter : make_image_filter(canBeNull); |
| 338 | } |
| 339 | |
commit-bot@chromium.org | 77e079a | 2013-10-28 15:52:02 +0000 | [diff] [blame] | 340 | static SkImageFilter* make_serialized_image_filter() { |
| 341 | SkAutoTUnref<SkImageFilter> filter(make_image_filter(false)); |
| 342 | SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(filter)); |
| 343 | const unsigned char* ptr = static_cast<const unsigned char*>(data->data()); |
| 344 | size_t len = data->size(); |
| 345 | #ifdef SK_ADD_RANDOM_BIT_FLIPS |
| 346 | unsigned char* p = const_cast<unsigned char*>(ptr); |
| 347 | for (size_t i = 0; i < len; ++i, ++p) { |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 348 | if (R(250) == 1) { // 0.4% of the time, flip a bit or byte |
| 349 | if (R(10) == 1) { // Then 10% of the time, change a whole byte |
| 350 | switch(R(3)) { |
| 351 | case 0: |
| 352 | *p ^= 0xFF; // Flip entire byte |
| 353 | break; |
| 354 | case 1: |
| 355 | *p = 0xFF; // Set all bits to 1 |
| 356 | break; |
| 357 | case 2: |
| 358 | *p = 0x00; // Set all bits to 0 |
| 359 | break; |
| 360 | } |
| 361 | } else { |
| 362 | *p ^= (1 << R(8)); |
| 363 | } |
commit-bot@chromium.org | 77e079a | 2013-10-28 15:52:02 +0000 | [diff] [blame] | 364 | } |
| 365 | } |
| 366 | #endif // SK_ADD_RANDOM_BIT_FLIPS |
| 367 | SkFlattenable* flattenable = SkValidatingDeserializeFlattenable(ptr, len, |
| 368 | SkImageFilter::GetFlattenableType()); |
commit-bot@chromium.org | 77e079a | 2013-10-28 15:52:02 +0000 | [diff] [blame] | 369 | return static_cast<SkImageFilter*>(flattenable); |
| 370 | } |
| 371 | |
sugoi@google.com | bb8148b | 2013-09-19 19:51:27 +0000 | [diff] [blame] | 372 | static void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint) { |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 373 | canvas->save(); |
| 374 | canvas->clipRect(SkRect::MakeXYWH(SkIntToScalar(x), SkIntToScalar(y), |
| 375 | SkIntToScalar(kBitmapSize), SkIntToScalar(kBitmapSize))); |
| 376 | canvas->drawBitmap(make_bitmap(), SkIntToScalar(x), SkIntToScalar(y), &paint); |
| 377 | canvas->restore(); |
| 378 | } |
| 379 | |
| 380 | static void do_fuzz(SkCanvas* canvas) { |
commit-bot@chromium.org | ef74fa1 | 2013-12-17 20:49:46 +0000 | [diff] [blame] | 381 | SkImageFilter* filter = make_serialized_image_filter(); |
| 382 | |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 383 | #ifdef SK_FUZZER_IS_VERBOSE |
commit-bot@chromium.org | ef74fa1 | 2013-12-17 20:49:46 +0000 | [diff] [blame] | 384 | static uint32_t numFilters = 0; |
| 385 | static uint32_t numValidFilters = 0; |
| 386 | if (0 == numFilters) { |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 387 | printf("Fuzzing with %u\n", kSeed); |
| 388 | } |
commit-bot@chromium.org | ef74fa1 | 2013-12-17 20:49:46 +0000 | [diff] [blame] | 389 | numFilters++; |
| 390 | if (NULL != filter) { |
| 391 | numValidFilters++; |
| 392 | } |
| 393 | printf("Filter no : %u. Valid filters so far : %u\r", numFilters, numValidFilters); |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 394 | fflush(stdout); |
commit-bot@chromium.org | cd3b15c | 2013-12-04 17:06:49 +0000 | [diff] [blame] | 395 | #endif |
| 396 | |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 397 | SkPaint paint; |
commit-bot@chromium.org | ef74fa1 | 2013-12-17 20:49:46 +0000 | [diff] [blame] | 398 | SkSafeUnref(paint.setImageFilter(filter)); |
commit-bot@chromium.org | 22d69f9 | 2013-09-19 18:40:49 +0000 | [diff] [blame] | 399 | drawClippedBitmap(canvas, 0, 0, paint); |
| 400 | } |
| 401 | |
| 402 | ////////////////////////////////////////////////////////////////////////////// |
| 403 | |
| 404 | class ImageFilterFuzzView : public SampleView { |
| 405 | public: |
| 406 | ImageFilterFuzzView() { |
| 407 | this->setBGColor(0xFFDDDDDD); |
| 408 | } |
| 409 | |
| 410 | protected: |
| 411 | // overrides from SkEventSink |
| 412 | virtual bool onQuery(SkEvent* evt) { |
| 413 | if (SampleCode::TitleQ(*evt)) { |
| 414 | SampleCode::TitleR(evt, "ImageFilterFuzzer"); |
| 415 | return true; |
| 416 | } |
| 417 | return this->INHERITED::onQuery(evt); |
| 418 | } |
| 419 | |
| 420 | void drawBG(SkCanvas* canvas) { |
| 421 | canvas->drawColor(0xFFDDDDDD); |
| 422 | } |
| 423 | |
| 424 | virtual void onDrawContent(SkCanvas* canvas) { |
| 425 | do_fuzz(canvas); |
| 426 | this->inval(0); |
| 427 | } |
| 428 | |
| 429 | private: |
| 430 | typedef SkView INHERITED; |
| 431 | }; |
| 432 | |
| 433 | ////////////////////////////////////////////////////////////////////////////// |
| 434 | |
| 435 | static SkView* MyFactory() { return new ImageFilterFuzzView; } |
| 436 | static SkViewRegister reg(MyFactory); |