reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 1 | #include "SampleCode.h" |
| 2 | #include "SkView.h" |
| 3 | #include "SkCanvas.h" |
| 4 | #include "SkBlurMaskFilter.h" |
| 5 | #include "SkPaint.h" |
| 6 | #include "SkPath.h" |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 7 | #include "SkXfermode.h" |
| 8 | #include "SkMatrix.h" |
| 9 | #include "SkColor.h" |
| 10 | #include "SkRandom.h" |
| 11 | |
| 12 | static void set2x3(SkMatrix* m, float a, float b, float c, float d, float e, float f) { |
| 13 | m->reset(); |
| 14 | m->set(0, a); |
| 15 | m->set(1, b); |
| 16 | m->set(2, c); |
| 17 | m->set(3, d); |
| 18 | m->set(4, e); |
| 19 | m->set(5, f); |
| 20 | } |
| 21 | |
| 22 | static SkRandom gRand; |
| 23 | static bool return_large; |
| 24 | static bool return_undef; |
| 25 | static bool quick; |
| 26 | static bool scale_large; |
| 27 | static int scval = 1; |
| 28 | static float transval = 0; |
| 29 | |
| 30 | static int R(float x) { |
| 31 | return (int)floor(SkScalarToFloat(gRand.nextUScalar1()) * x); |
| 32 | } |
| 33 | |
reed@google.com | 261b8e2 | 2011-04-14 17:53:24 +0000 | [diff] [blame] | 34 | static float huge() { |
| 35 | double d = 1e100; |
| 36 | float f = (float)d; |
| 37 | return f; |
| 38 | } |
| 39 | |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 40 | static float make_number() { |
| 41 | float v; |
| 42 | int sel; |
| 43 | |
| 44 | if (return_large == true && R(3) == 1) sel = R(6); else sel = R(4); |
| 45 | if (return_undef == false && sel == 0) sel = 1; |
| 46 | |
reed@google.com | 261b8e2 | 2011-04-14 17:53:24 +0000 | [diff] [blame] | 47 | if (R(2) == 1) v = (float)R(100); else |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 48 | |
| 49 | switch (sel) { |
| 50 | case 0: break; |
| 51 | case 1: v = 0; break; |
reed@google.com | 261b8e2 | 2011-04-14 17:53:24 +0000 | [diff] [blame] | 52 | case 2: v = 0.000001f; break; |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 53 | case 3: v = 10000; break; |
| 54 | case 4: v = 2000000000; break; |
reed@google.com | 261b8e2 | 2011-04-14 17:53:24 +0000 | [diff] [blame] | 55 | case 5: v = huge(); break; |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 56 | } |
| 57 | |
| 58 | if (R(4) == 1) v = -v; |
| 59 | return v; |
| 60 | } |
| 61 | |
| 62 | static SkColor make_color() { |
| 63 | if (R(2) == 1) return 0xFFC0F0A0; else return 0xFF000090; |
| 64 | } |
| 65 | |
| 66 | |
| 67 | static SkColor make_fill() { |
| 68 | #if 0 |
| 69 | int sel; |
| 70 | |
| 71 | if (quick == true) sel = 0; else sel = R(6); |
| 72 | |
| 73 | switch (sel) { |
| 74 | |
| 75 | case 0: |
| 76 | case 1: |
| 77 | case 2: |
| 78 | return make_color(); |
| 79 | break; |
| 80 | |
| 81 | case 3: |
| 82 | var r = ctx.createLinearGradient(make_number(),make_number(),make_number(),make_number()); |
| 83 | for (i=0;i<4;i++) |
| 84 | r.addColorStop(make_number(),make_color()); |
| 85 | return r; |
| 86 | break; |
| 87 | |
| 88 | case 4: |
| 89 | var r = ctx.createRadialGradient(make_number(),make_number(),make_number(),make_number(),make_number(),make_number()); |
| 90 | for (i=0;i<4;i++) |
| 91 | r.addColorStop(make_number(),make_color()); |
| 92 | return r; |
| 93 | break; |
| 94 | |
| 95 | case 5: |
| 96 | var r = ctx.createPattern(imgObj,"repeat"); |
| 97 | if (R(6) == 0) |
| 98 | r.addColorStop(make_number(),make_color()); |
| 99 | return r; |
| 100 | break; |
| 101 | } |
| 102 | #else |
| 103 | return make_color(); |
| 104 | #endif |
| 105 | } |
| 106 | |
| 107 | |
| 108 | static void do_fuzz(SkCanvas* canvas) { |
| 109 | SkPath path; |
| 110 | SkPaint paint; |
| 111 | paint.setAntiAlias(true); |
| 112 | |
| 113 | for (int i=0;i<100;i++) { |
| 114 | switch (R(33)) { |
| 115 | |
| 116 | case 0: |
| 117 | paint.setColor(make_fill()); |
| 118 | break; |
| 119 | |
| 120 | case 1: |
| 121 | paint.setAlpha(gRand.nextU() & 0xFF); |
| 122 | break; |
| 123 | |
| 124 | case 2: { |
reed@android.com | 048522d | 2009-06-23 12:19:41 +0000 | [diff] [blame] | 125 | SkXfermode::Mode mode; |
| 126 | switch (R(3)) { |
| 127 | case 0: mode = SkXfermode::kSrc_Mode; break; |
| 128 | case 1: mode = SkXfermode::kXor_Mode; break; |
| 129 | case 2: mode = SkXfermode::kSrcOver_Mode; break; |
| 130 | } |
reed@android.com | 5ebbe14 | 2009-11-05 21:04:00 +0000 | [diff] [blame] | 131 | paint.setXfermodeMode(mode); |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 132 | } |
| 133 | break; |
| 134 | |
| 135 | case 3: |
| 136 | switch (R(2)) { |
| 137 | case 0: paint.setStrokeCap(SkPaint::kRound_Cap); break; |
| 138 | case 1: paint.setStrokeCap(SkPaint::kButt_Cap); break; |
| 139 | } |
| 140 | break; |
| 141 | |
| 142 | case 4: |
| 143 | switch (R(2)) { |
| 144 | case 0: paint.setStrokeJoin(SkPaint::kRound_Join); break; |
| 145 | case 1: paint.setStrokeJoin(SkPaint::kMiter_Join); break; |
| 146 | } |
| 147 | break; |
| 148 | |
| 149 | case 5: |
| 150 | paint.setStrokeWidth(make_number()); |
| 151 | break; |
| 152 | |
| 153 | case 6: |
| 154 | paint.setStrokeMiter(make_number()); |
| 155 | break; |
| 156 | |
| 157 | case 7: |
| 158 | if (quick == true) break; |
bsalomon@google.com | 9695921 | 2011-02-08 22:03:36 +0000 | [diff] [blame] | 159 | SkSafeUnref(paint.setMaskFilter(SkBlurMaskFilter::Create(make_number(), SkBlurMaskFilter::kNormal_BlurStyle))); |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 160 | break; |
| 161 | |
| 162 | case 8: |
| 163 | if (quick == true) break; |
| 164 | //ctx.shadowColor = make_fill(); |
| 165 | break; |
| 166 | |
| 167 | case 9: |
| 168 | if (quick == true) break; |
| 169 | //ctx.shadowOffsetX = make_number(); |
| 170 | //ctx.shadowOffsetY = make_number(); |
| 171 | break; |
| 172 | |
| 173 | case 10: |
| 174 | canvas->restore(); |
| 175 | break; |
| 176 | |
| 177 | case 11: |
| 178 | canvas->rotate(make_number()); |
| 179 | break; |
| 180 | |
| 181 | case 12: |
| 182 | canvas->save(); |
| 183 | break; |
| 184 | |
| 185 | case 13: |
| 186 | canvas->scale(-1,-1); |
| 187 | break; |
| 188 | |
| 189 | case 14: |
| 190 | |
| 191 | if (quick == true) break; |
| 192 | |
| 193 | if (transval == 0) { |
| 194 | transval = make_number(); |
| 195 | canvas->translate(transval,0); |
| 196 | } else { |
| 197 | canvas->translate(-transval,0); |
| 198 | transval = 0; |
| 199 | } |
| 200 | |
| 201 | break; |
| 202 | |
| 203 | case 15: { |
| 204 | SkRect r; |
| 205 | r.set(make_number(),make_number(),make_number(),make_number()); |
| 206 | SkPaint::Style s = paint.getStyle(); |
| 207 | paint.setStyle(SkPaint::kFill_Style); |
| 208 | canvas->drawRect(r, paint); |
| 209 | paint.setStyle(s); |
| 210 | // clearrect |
| 211 | } break; |
| 212 | |
| 213 | case 16: |
| 214 | if (quick == true) break; |
| 215 | // ctx.drawImage(imgObj,make_number(),make_number(),make_number(),make_number(),make_number(),make_number(),make_number(),make_number()); |
| 216 | break; |
| 217 | |
| 218 | case 17: { |
| 219 | SkRect r; |
| 220 | r.set(make_number(),make_number(),make_number(),make_number()); |
| 221 | SkPaint::Style s = paint.getStyle(); |
| 222 | paint.setStyle(SkPaint::kFill_Style); |
| 223 | canvas->drawRect(r, paint); |
| 224 | paint.setStyle(s); |
| 225 | } break; |
| 226 | |
| 227 | case 18: |
| 228 | path.reset(); |
| 229 | break; |
| 230 | |
| 231 | case 19: |
| 232 | // ctx.clip() is evil. |
| 233 | break; |
| 234 | |
| 235 | case 20: |
| 236 | path.close(); |
| 237 | break; |
| 238 | |
| 239 | case 21: { |
| 240 | SkPaint::Style s = paint.getStyle(); |
| 241 | paint.setStyle(SkPaint::kFill_Style); |
| 242 | canvas->drawPath(path, paint); |
| 243 | paint.setStyle(s); |
| 244 | } break; |
| 245 | |
| 246 | case 22: { |
| 247 | SkPaint::Style s = paint.getStyle(); |
| 248 | paint.setStyle(SkPaint::kFill_Style); |
| 249 | canvas->drawPath(path, paint); |
| 250 | paint.setStyle(s); |
| 251 | } break; |
| 252 | |
| 253 | case 23: { |
| 254 | SkRect r; |
| 255 | r.set(make_number(),make_number(),make_number(),make_number()); |
| 256 | SkPaint::Style s = paint.getStyle(); |
| 257 | paint.setStyle(SkPaint::kStroke_Style); |
| 258 | canvas->drawRect(r, paint); |
| 259 | paint.setStyle(s); |
| 260 | } break; |
| 261 | |
| 262 | case 24: |
| 263 | if (quick == true) break; |
| 264 | //ctx.arc(make_number(),make_number(),make_number(),make_number(),make_number(),true); |
| 265 | break; |
| 266 | |
| 267 | case 25: |
| 268 | if (quick == true) break; |
| 269 | //ctx.arcTo(make_number(),make_number(),make_number(),make_number(),make_number()); |
| 270 | break; |
| 271 | |
| 272 | case 26: |
| 273 | if (quick == true) break; |
| 274 | //ctx.bezierCurveTo(make_number(),make_number(),make_number(),make_number(),make_number(),make_number()); |
| 275 | break; |
| 276 | |
| 277 | case 27: |
| 278 | path.lineTo(make_number(),make_number()); |
| 279 | break; |
| 280 | |
| 281 | case 28: |
| 282 | path.moveTo(make_number(),make_number()); |
| 283 | break; |
| 284 | |
| 285 | case 29: |
| 286 | if (quick == true) break; |
| 287 | path.quadTo(make_number(),make_number(),make_number(),make_number()); |
| 288 | break; |
| 289 | |
| 290 | case 30: { |
| 291 | if (quick == true) break; |
| 292 | SkMatrix matrix; |
| 293 | set2x3(&matrix, make_number(),make_number(),make_number(),make_number(),make_number(),make_number()); |
| 294 | canvas->concat(matrix); |
| 295 | } break; |
| 296 | |
| 297 | case 31: { |
| 298 | if (quick == true) break; |
| 299 | SkMatrix matrix; |
| 300 | set2x3(&matrix, make_number(),make_number(),make_number(),make_number(),make_number(),make_number()); |
| 301 | canvas->setMatrix(matrix); |
| 302 | } break; |
| 303 | |
| 304 | case 32: |
| 305 | |
| 306 | if (scale_large == true) { |
| 307 | |
| 308 | switch (scval) { |
| 309 | case 0: canvas->scale(-1000000000,1); |
| 310 | canvas->scale(-1000000000,1); |
| 311 | scval = 1; break; |
reed@google.com | 261b8e2 | 2011-04-14 17:53:24 +0000 | [diff] [blame] | 312 | case 1: canvas->scale(-.000000001f,1); scval = 2; break; |
| 313 | case 2: canvas->scale(-.000000001f,1); scval = 0; break; |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | } |
| 317 | |
| 318 | break; |
| 319 | |
| 320 | |
| 321 | |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | } |
| 326 | |
| 327 | ////////////////////////////////////////////////////////////////////////////// |
| 328 | |
| 329 | class FuzzView : public SkView { |
| 330 | public: |
| 331 | FuzzView() {} |
| 332 | |
| 333 | protected: |
| 334 | // overrides from SkEventSink |
| 335 | virtual bool onQuery(SkEvent* evt) { |
| 336 | if (SampleCode::TitleQ(*evt)) { |
| 337 | SampleCode::TitleR(evt, "Fuzzer"); |
| 338 | return true; |
| 339 | } |
| 340 | return this->INHERITED::onQuery(evt); |
| 341 | } |
| 342 | |
| 343 | void drawBG(SkCanvas* canvas) { |
| 344 | canvas->drawColor(0xFFDDDDDD); |
| 345 | } |
| 346 | |
| 347 | virtual void onDraw(SkCanvas* canvas) { |
reed@android.com | 5ebbe14 | 2009-11-05 21:04:00 +0000 | [diff] [blame] | 348 | SkIRect r = canvas->getTotalClip().getBounds(); |
reed@android.com | 49f0ff2 | 2009-03-19 21:52:42 +0000 | [diff] [blame] | 349 | this->drawBG(canvas); |
| 350 | do_fuzz(canvas); |
| 351 | this->inval(NULL); |
| 352 | } |
| 353 | |
| 354 | private: |
| 355 | typedef SkView INHERITED; |
| 356 | }; |
| 357 | |
| 358 | ////////////////////////////////////////////////////////////////////////////// |
| 359 | |
| 360 | static SkView* MyFactory() { return new FuzzView; } |
| 361 | static SkViewRegister reg(MyFactory); |
| 362 | |