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