PictureTest.cpp revision 84b18c7e3e042bf206e1ace3d1b6ea5bb929fe51
1/* 2 * Copyright 2012 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 "SkBitmapDevice.h" 9#include "SkCanvas.h" 10#include "SkColorPriv.h" 11#include "SkData.h" 12#include "SkDecodingImageGenerator.h" 13#include "SkError.h" 14#include "SkImageEncoder.h" 15#include "SkImageGenerator.h" 16#include "SkPaint.h" 17#include "SkPicture.h" 18#include "SkPictureUtils.h" 19#include "SkQuadTreePicture.h" 20#include "SkRRect.h" 21#include "SkRandom.h" 22#include "SkShader.h" 23#include "SkStream.h" 24#include "SkTileGrid.h" 25#include "Test.h" 26 27static const int gColorScale = 30; 28static const int gColorOffset = 60; 29 30static void make_bm(SkBitmap* bm, int w, int h, SkColor color, bool immutable) { 31 bm->allocN32Pixels(w, h); 32 bm->eraseColor(color); 33 if (immutable) { 34 bm->setImmutable(); 35 } 36} 37 38static void make_checkerboard(SkBitmap* bm, int w, int h, bool immutable) { 39 SkASSERT(w % 2 == 0); 40 SkASSERT(h % 2 == 0); 41 bm->allocPixels(SkImageInfo::Make(w, h, kAlpha_8_SkColorType, 42 kPremul_SkAlphaType)); 43 SkAutoLockPixels lock(*bm); 44 for (int y = 0; y < h; y += 2) { 45 uint8_t* s = bm->getAddr8(0, y); 46 for (int x = 0; x < w; x += 2) { 47 *s++ = 0xFF; 48 *s++ = 0x00; 49 } 50 s = bm->getAddr8(0, y + 1); 51 for (int x = 0; x < w; x += 2) { 52 *s++ = 0x00; 53 *s++ = 0xFF; 54 } 55 } 56 if (immutable) { 57 bm->setImmutable(); 58 } 59} 60 61static void init_paint(SkPaint* paint, const SkBitmap &bm) { 62 SkShader* shader = SkShader::CreateBitmapShader(bm, 63 SkShader::kClamp_TileMode, 64 SkShader::kClamp_TileMode); 65 paint->setShader(shader)->unref(); 66} 67 68typedef void (*DrawBitmapProc)(SkCanvas*, const SkBitmap&, 69 const SkBitmap&, const SkPoint&, 70 SkTDArray<SkPixelRef*>* usedPixRefs); 71 72static void drawpaint_proc(SkCanvas* canvas, const SkBitmap& bm, 73 const SkBitmap& altBM, const SkPoint& pos, 74 SkTDArray<SkPixelRef*>* usedPixRefs) { 75 SkPaint paint; 76 init_paint(&paint, bm); 77 78 canvas->drawPaint(paint); 79 *usedPixRefs->append() = bm.pixelRef(); 80} 81 82static void drawpoints_proc(SkCanvas* canvas, const SkBitmap& bm, 83 const SkBitmap& altBM, const SkPoint& pos, 84 SkTDArray<SkPixelRef*>* usedPixRefs) { 85 SkPaint paint; 86 init_paint(&paint, bm); 87 88 // draw a rect 89 SkPoint points[5] = { 90 { pos.fX, pos.fY }, 91 { pos.fX + bm.width() - 1, pos.fY }, 92 { pos.fX + bm.width() - 1, pos.fY + bm.height() - 1 }, 93 { pos.fX, pos.fY + bm.height() - 1 }, 94 { pos.fX, pos.fY }, 95 }; 96 97 canvas->drawPoints(SkCanvas::kPolygon_PointMode, 5, points, paint); 98 *usedPixRefs->append() = bm.pixelRef(); 99} 100 101static void drawrect_proc(SkCanvas* canvas, const SkBitmap& bm, 102 const SkBitmap& altBM, const SkPoint& pos, 103 SkTDArray<SkPixelRef*>* usedPixRefs) { 104 SkPaint paint; 105 init_paint(&paint, bm); 106 107 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 108 r.offset(pos.fX, pos.fY); 109 110 canvas->drawRect(r, paint); 111 *usedPixRefs->append() = bm.pixelRef(); 112} 113 114static void drawoval_proc(SkCanvas* canvas, const SkBitmap& bm, 115 const SkBitmap& altBM, const SkPoint& pos, 116 SkTDArray<SkPixelRef*>* usedPixRefs) { 117 SkPaint paint; 118 init_paint(&paint, bm); 119 120 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 121 r.offset(pos.fX, pos.fY); 122 123 canvas->drawOval(r, paint); 124 *usedPixRefs->append() = bm.pixelRef(); 125} 126 127static void drawrrect_proc(SkCanvas* canvas, const SkBitmap& bm, 128 const SkBitmap& altBM, const SkPoint& pos, 129 SkTDArray<SkPixelRef*>* usedPixRefs) { 130 SkPaint paint; 131 init_paint(&paint, bm); 132 133 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 134 r.offset(pos.fX, pos.fY); 135 136 SkRRect rr; 137 rr.setRectXY(r, SkIntToScalar(bm.width())/4, SkIntToScalar(bm.height())/4); 138 canvas->drawRRect(rr, paint); 139 *usedPixRefs->append() = bm.pixelRef(); 140} 141 142static void drawpath_proc(SkCanvas* canvas, const SkBitmap& bm, 143 const SkBitmap& altBM, const SkPoint& pos, 144 SkTDArray<SkPixelRef*>* usedPixRefs) { 145 SkPaint paint; 146 init_paint(&paint, bm); 147 148 SkPath path; 149 path.lineTo(bm.width()/2.0f, SkIntToScalar(bm.height())); 150 path.lineTo(SkIntToScalar(bm.width()), 0); 151 path.close(); 152 path.offset(pos.fX, pos.fY); 153 154 canvas->drawPath(path, paint); 155 *usedPixRefs->append() = bm.pixelRef(); 156} 157 158static void drawbitmap_proc(SkCanvas* canvas, const SkBitmap& bm, 159 const SkBitmap& altBM, const SkPoint& pos, 160 SkTDArray<SkPixelRef*>* usedPixRefs) { 161 canvas->drawBitmap(bm, pos.fX, pos.fY, NULL); 162 *usedPixRefs->append() = bm.pixelRef(); 163} 164 165static void drawbitmap_withshader_proc(SkCanvas* canvas, const SkBitmap& bm, 166 const SkBitmap& altBM, const SkPoint& pos, 167 SkTDArray<SkPixelRef*>* usedPixRefs) { 168 SkPaint paint; 169 init_paint(&paint, bm); 170 171 // The bitmap in the paint is ignored unless we're drawing an A8 bitmap 172 canvas->drawBitmap(altBM, pos.fX, pos.fY, &paint); 173 *usedPixRefs->append() = bm.pixelRef(); 174 *usedPixRefs->append() = altBM.pixelRef(); 175} 176 177static void drawsprite_proc(SkCanvas* canvas, const SkBitmap& bm, 178 const SkBitmap& altBM, const SkPoint& pos, 179 SkTDArray<SkPixelRef*>* usedPixRefs) { 180 const SkMatrix& ctm = canvas->getTotalMatrix(); 181 182 SkPoint p(pos); 183 ctm.mapPoints(&p, 1); 184 185 canvas->drawSprite(bm, (int)p.fX, (int)p.fY, NULL); 186 *usedPixRefs->append() = bm.pixelRef(); 187} 188 189#if 0 190// Although specifiable, this case doesn't seem to make sense (i.e., the 191// bitmap in the shader is never used). 192static void drawsprite_withshader_proc(SkCanvas* canvas, const SkBitmap& bm, 193 const SkBitmap& altBM, const SkPoint& pos, 194 SkTDArray<SkPixelRef*>* usedPixRefs) { 195 SkPaint paint; 196 init_paint(&paint, bm); 197 198 const SkMatrix& ctm = canvas->getTotalMatrix(); 199 200 SkPoint p(pos); 201 ctm.mapPoints(&p, 1); 202 203 canvas->drawSprite(altBM, (int)p.fX, (int)p.fY, &paint); 204 *usedPixRefs->append() = bm.pixelRef(); 205 *usedPixRefs->append() = altBM.pixelRef(); 206} 207#endif 208 209static void drawbitmaprect_proc(SkCanvas* canvas, const SkBitmap& bm, 210 const SkBitmap& altBM, const SkPoint& pos, 211 SkTDArray<SkPixelRef*>* usedPixRefs) { 212 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 213 214 r.offset(pos.fX, pos.fY); 215 canvas->drawBitmapRectToRect(bm, NULL, r, NULL); 216 *usedPixRefs->append() = bm.pixelRef(); 217} 218 219static void drawbitmaprect_withshader_proc(SkCanvas* canvas, 220 const SkBitmap& bm, 221 const SkBitmap& altBM, 222 const SkPoint& pos, 223 SkTDArray<SkPixelRef*>* usedPixRefs) { 224 SkPaint paint; 225 init_paint(&paint, bm); 226 227 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 228 r.offset(pos.fX, pos.fY); 229 230 // The bitmap in the paint is ignored unless we're drawing an A8 bitmap 231 canvas->drawBitmapRectToRect(altBM, NULL, r, &paint); 232 *usedPixRefs->append() = bm.pixelRef(); 233 *usedPixRefs->append() = altBM.pixelRef(); 234} 235 236static void drawtext_proc(SkCanvas* canvas, const SkBitmap& bm, 237 const SkBitmap& altBM, const SkPoint& pos, 238 SkTDArray<SkPixelRef*>* usedPixRefs) { 239 SkPaint paint; 240 init_paint(&paint, bm); 241 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 242 243 canvas->drawText("0", 1, pos.fX, pos.fY+bm.width(), paint); 244 *usedPixRefs->append() = bm.pixelRef(); 245} 246 247static void drawpostext_proc(SkCanvas* canvas, const SkBitmap& bm, 248 const SkBitmap& altBM, const SkPoint& pos, 249 SkTDArray<SkPixelRef*>* usedPixRefs) { 250 SkPaint paint; 251 init_paint(&paint, bm); 252 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 253 254 SkPoint point = { pos.fX, pos.fY + bm.height() }; 255 canvas->drawPosText("O", 1, &point, paint); 256 *usedPixRefs->append() = bm.pixelRef(); 257} 258 259static void drawtextonpath_proc(SkCanvas* canvas, const SkBitmap& bm, 260 const SkBitmap& altBM, const SkPoint& pos, 261 SkTDArray<SkPixelRef*>* usedPixRefs) { 262 SkPaint paint; 263 264 init_paint(&paint, bm); 265 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 266 267 SkPath path; 268 path.lineTo(SkIntToScalar(bm.width()), 0); 269 path.offset(pos.fX, pos.fY+bm.height()); 270 271 canvas->drawTextOnPath("O", 1, path, NULL, paint); 272 *usedPixRefs->append() = bm.pixelRef(); 273} 274 275static void drawverts_proc(SkCanvas* canvas, const SkBitmap& bm, 276 const SkBitmap& altBM, const SkPoint& pos, 277 SkTDArray<SkPixelRef*>* usedPixRefs) { 278 SkPaint paint; 279 init_paint(&paint, bm); 280 281 SkPoint verts[4] = { 282 { pos.fX, pos.fY }, 283 { pos.fX + bm.width(), pos.fY }, 284 { pos.fX + bm.width(), pos.fY + bm.height() }, 285 { pos.fX, pos.fY + bm.height() } 286 }; 287 SkPoint texs[4] = { { 0, 0 }, 288 { SkIntToScalar(bm.width()), 0 }, 289 { SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }, 290 { 0, SkIntToScalar(bm.height()) } }; 291 uint16_t indices[6] = { 0, 1, 2, 0, 2, 3 }; 292 293 canvas->drawVertices(SkCanvas::kTriangles_VertexMode, 4, verts, texs, NULL, NULL, 294 indices, 6, paint); 295 *usedPixRefs->append() = bm.pixelRef(); 296} 297 298// Return a picture with the bitmaps drawn at the specified positions. 299static SkPicture* record_bitmaps(const SkBitmap bm[], 300 const SkPoint pos[], 301 SkTDArray<SkPixelRef*> analytic[], 302 int count, 303 DrawBitmapProc proc) { 304 SkPictureRecorder recorder; 305 SkCanvas* canvas = recorder.beginRecording(1000, 1000); 306 for (int i = 0; i < count; ++i) { 307 analytic[i].rewind(); 308 canvas->save(); 309 SkRect clipRect = SkRect::MakeXYWH(pos[i].fX, pos[i].fY, 310 SkIntToScalar(bm[i].width()), 311 SkIntToScalar(bm[i].height())); 312 canvas->clipRect(clipRect, SkRegion::kIntersect_Op); 313 proc(canvas, bm[i], bm[count+i], pos[i], &analytic[i]); 314 canvas->restore(); 315 } 316 return recorder.endRecording(); 317} 318 319static void rand_rect(SkRect* rect, SkRandom& rand, SkScalar W, SkScalar H) { 320 rect->fLeft = rand.nextRangeScalar(-W, 2*W); 321 rect->fTop = rand.nextRangeScalar(-H, 2*H); 322 rect->fRight = rect->fLeft + rand.nextRangeScalar(0, W); 323 rect->fBottom = rect->fTop + rand.nextRangeScalar(0, H); 324 325 // we integralize rect to make our tests more predictable, since Gather is 326 // a little sloppy. 327 SkIRect ir; 328 rect->round(&ir); 329 rect->set(ir); 330} 331 332static void draw(SkPicture* pic, int width, int height, SkBitmap* result) { 333 make_bm(result, width, height, SK_ColorBLACK, false); 334 335 SkCanvas canvas(*result); 336 canvas.drawPicture(*pic); 337} 338 339template <typename T> int find_index(const T* array, T elem, int count) { 340 for (int i = 0; i < count; ++i) { 341 if (array[i] == elem) { 342 return i; 343 } 344 } 345 return -1; 346} 347 348// Return true if 'ref' is found in array[] 349static bool find(SkPixelRef const * const * array, SkPixelRef const * ref, int count) { 350 return find_index<const SkPixelRef*>(array, ref, count) >= 0; 351} 352 353// Look at each pixel that is inside 'subset', and if its color appears in 354// colors[], find the corresponding value in refs[] and append that ref into 355// array, skipping duplicates of the same value. 356// Note that gathering pixelRefs from rendered colors suffers from the problem 357// that multiple simultaneous textures (e.g., A8 for alpha and 8888 for color) 358// isn't easy to reconstruct. 359static void gather_from_image(const SkBitmap& bm, SkPixelRef* const refs[], 360 int count, SkTDArray<SkPixelRef*>* array, 361 const SkRect& subset) { 362 SkIRect ir; 363 subset.roundOut(&ir); 364 365 if (!ir.intersect(0, 0, bm.width()-1, bm.height()-1)) { 366 return; 367 } 368 369 // Since we only want to return unique values in array, when we scan we just 370 // set a bit for each index'd color found. In practice we only have a few 371 // distinct colors, so we just use an int's bits as our array. Hence the 372 // assert that count <= number-of-bits-in-our-int. 373 SkASSERT((unsigned)count <= 32); 374 uint32_t bitarray = 0; 375 376 SkAutoLockPixels alp(bm); 377 378 for (int y = ir.fTop; y < ir.fBottom; ++y) { 379 for (int x = ir.fLeft; x < ir.fRight; ++x) { 380 SkPMColor pmc = *bm.getAddr32(x, y); 381 // the only good case where the color is not found would be if 382 // the color is transparent, meaning no bitmap was drawn in that 383 // pixel. 384 if (pmc) { 385 uint32_t index = SkGetPackedR32(pmc); 386 SkASSERT(SkGetPackedG32(pmc) == index); 387 SkASSERT(SkGetPackedB32(pmc) == index); 388 if (0 == index) { 389 continue; // background color 390 } 391 SkASSERT(0 == (index - gColorOffset) % gColorScale); 392 index = (index - gColorOffset) / gColorScale; 393 SkASSERT(static_cast<int>(index) < count); 394 bitarray |= 1 << index; 395 } 396 } 397 } 398 399 for (int i = 0; i < count; ++i) { 400 if (bitarray & (1 << i)) { 401 *array->append() = refs[i]; 402 } 403 } 404} 405 406static void gather_from_analytic(const SkPoint pos[], SkScalar w, SkScalar h, 407 const SkTDArray<SkPixelRef*> analytic[], 408 int count, 409 SkTDArray<SkPixelRef*>* result, 410 const SkRect& subset) { 411 for (int i = 0; i < count; ++i) { 412 SkRect rect = SkRect::MakeXYWH(pos[i].fX, pos[i].fY, w, h); 413 414 if (SkRect::Intersects(subset, rect)) { 415 result->append(analytic[i].count(), analytic[i].begin()); 416 } 417 } 418} 419 420 421static const struct { 422 const DrawBitmapProc proc; 423 const char* const desc; 424} gProcs[] = { 425 {drawpaint_proc, "drawpaint"}, 426 {drawpoints_proc, "drawpoints"}, 427 {drawrect_proc, "drawrect"}, 428 {drawoval_proc, "drawoval"}, 429 {drawrrect_proc, "drawrrect"}, 430 {drawpath_proc, "drawpath"}, 431 {drawbitmap_proc, "drawbitmap"}, 432 {drawbitmap_withshader_proc, "drawbitmap_withshader"}, 433 {drawsprite_proc, "drawsprite"}, 434#if 0 435 {drawsprite_withshader_proc, "drawsprite_withshader"}, 436#endif 437 {drawbitmaprect_proc, "drawbitmaprect"}, 438 {drawbitmaprect_withshader_proc, "drawbitmaprect_withshader"}, 439 {drawtext_proc, "drawtext"}, 440 {drawpostext_proc, "drawpostext"}, 441 {drawtextonpath_proc, "drawtextonpath"}, 442 {drawverts_proc, "drawverts"}, 443}; 444 445static void create_textures(SkBitmap* bm, SkPixelRef** refs, int num, int w, int h) { 446 // Our convention is that the color components contain an encoding of 447 // the index of their corresponding bitmap/pixelref. (0,0,0,0) is 448 // reserved for the background 449 for (int i = 0; i < num; ++i) { 450 make_bm(&bm[i], w, h, 451 SkColorSetARGB(0xFF, 452 gColorScale*i+gColorOffset, 453 gColorScale*i+gColorOffset, 454 gColorScale*i+gColorOffset), 455 true); 456 refs[i] = bm[i].pixelRef(); 457 } 458 459 // The A8 alternate bitmaps are all BW checkerboards 460 for (int i = 0; i < num; ++i) { 461 make_checkerboard(&bm[num+i], w, h, true); 462 refs[num+i] = bm[num+i].pixelRef(); 463 } 464} 465 466static void test_gatherpixelrefs(skiatest::Reporter* reporter) { 467 const int IW = 32; 468 const int IH = IW; 469 const SkScalar W = SkIntToScalar(IW); 470 const SkScalar H = W; 471 472 static const int N = 4; 473 SkBitmap bm[2*N]; 474 SkPixelRef* refs[2*N]; 475 SkTDArray<SkPixelRef*> analytic[N]; 476 477 const SkPoint pos[N] = { 478 { 0, 0 }, { W, 0 }, { 0, H }, { W, H } 479 }; 480 481 create_textures(bm, refs, N, IW, IH); 482 483 SkRandom rand; 484 for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { 485 SkAutoTUnref<SkPicture> pic( 486 record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); 487 488 REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); 489 // quick check for a small piece of each quadrant, which should just 490 // contain 1 or 2 bitmaps. 491 for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) { 492 SkRect r; 493 r.set(2, 2, W - 2, H - 2); 494 r.offset(pos[i].fX, pos[i].fY); 495 SkAutoDataUnref data(SkPictureUtils::GatherPixelRefs(pic, r)); 496 if (!data) { 497 ERRORF(reporter, "SkPictureUtils::GatherPixelRefs returned " 498 "NULL for %s.", gProcs[k].desc); 499 continue; 500 } 501 SkPixelRef** gatheredRefs = (SkPixelRef**)data->data(); 502 int count = static_cast<int>(data->size() / sizeof(SkPixelRef*)); 503 REPORTER_ASSERT(reporter, 1 == count || 2 == count); 504 if (1 == count) { 505 REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); 506 } else if (2 == count) { 507 REPORTER_ASSERT(reporter, 508 (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || 509 (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); 510 } 511 } 512 513 SkBitmap image; 514 draw(pic, 2*IW, 2*IH, &image); 515 516 // Test a bunch of random (mostly) rects, and compare the gather results 517 // with a deduced list of refs by looking at the colors drawn. 518 for (int j = 0; j < 100; ++j) { 519 SkRect r; 520 rand_rect(&r, rand, 2*W, 2*H); 521 522 SkTDArray<SkPixelRef*> fromImage; 523 gather_from_image(image, refs, N, &fromImage, r); 524 525 SkTDArray<SkPixelRef*> fromAnalytic; 526 gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); 527 528 SkData* data = SkPictureUtils::GatherPixelRefs(pic, r); 529 size_t dataSize = data ? data->size() : 0; 530 int gatherCount = static_cast<int>(dataSize / sizeof(SkPixelRef*)); 531 SkASSERT(gatherCount * sizeof(SkPixelRef*) == dataSize); 532 SkPixelRef** gatherRefs = data ? (SkPixelRef**)(data->data()) : NULL; 533 SkAutoDataUnref adu(data); 534 535 // Everything that we saw drawn should appear in the analytic list 536 // but the analytic list may contain some pixelRefs that were not 537 // seen in the image (e.g., A8 textures used as masks) 538 for (int i = 0; i < fromImage.count(); ++i) { 539 if (-1 == fromAnalytic.find(fromImage[i])) { 540 ERRORF(reporter, "PixelRef missing %d %s", 541 i, gProcs[k].desc); 542 } 543 } 544 545 /* 546 * GatherPixelRefs is conservative, so it can return more bitmaps 547 * than are strictly required. Thus our check here is only that 548 * Gather didn't miss any that we actually needed. Even that isn't 549 * a strict requirement on Gather, which is meant to be quick and 550 * only mostly-correct, but at the moment this test should work. 551 */ 552 for (int i = 0; i < fromAnalytic.count(); ++i) { 553 bool found = find(gatherRefs, fromAnalytic[i], gatherCount); 554 if (!found) { 555 ERRORF(reporter, "PixelRef missing %d %s", 556 i, gProcs[k].desc); 557 } 558#if 0 559 // enable this block of code to debug failures, as it will rerun 560 // the case that failed. 561 if (!found) { 562 SkData* data = SkPictureUtils::GatherPixelRefs(pic, r); 563 size_t dataSize = data ? data->size() : 0; 564 } 565#endif 566 } 567 } 568 } 569} 570 571static void test_gatherpixelrefsandrects(skiatest::Reporter* reporter) { 572 const int IW = 32; 573 const int IH = IW; 574 const SkScalar W = SkIntToScalar(IW); 575 const SkScalar H = W; 576 577 static const int N = 4; 578 SkBitmap bm[2*N]; 579 SkPixelRef* refs[2*N]; 580 SkTDArray<SkPixelRef*> analytic[N]; 581 582 const SkPoint pos[N] = { 583 { 0, 0 }, { W, 0 }, { 0, H }, { W, H } 584 }; 585 586 create_textures(bm, refs, N, IW, IH); 587 588 SkRandom rand; 589 for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { 590 SkAutoTUnref<SkPicture> pic( 591 record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); 592 593 REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); 594 595 SkAutoTUnref<SkPictureUtils::SkPixelRefContainer> prCont( 596 new SkPictureUtils::SkPixelRefsAndRectsList); 597 598 SkPictureUtils::GatherPixelRefsAndRects(pic, prCont); 599 600 // quick check for a small piece of each quadrant, which should just 601 // contain 1 or 2 bitmaps. 602 for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) { 603 SkRect r; 604 r.set(2, 2, W - 2, H - 2); 605 r.offset(pos[i].fX, pos[i].fY); 606 607 SkTDArray<SkPixelRef*> gatheredRefs; 608 prCont->query(r, &gatheredRefs); 609 610 int count = gatheredRefs.count(); 611 REPORTER_ASSERT(reporter, 1 == count || 2 == count); 612 if (1 == count) { 613 REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); 614 } else if (2 == count) { 615 REPORTER_ASSERT(reporter, 616 (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || 617 (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); 618 } 619 } 620 621 SkBitmap image; 622 draw(pic, 2*IW, 2*IH, &image); 623 624 // Test a bunch of random (mostly) rects, and compare the gather results 625 // with the analytic results and the pixel refs seen in a rendering. 626 for (int j = 0; j < 100; ++j) { 627 SkRect r; 628 rand_rect(&r, rand, 2*W, 2*H); 629 630 SkTDArray<SkPixelRef*> fromImage; 631 gather_from_image(image, refs, N, &fromImage, r); 632 633 SkTDArray<SkPixelRef*> fromAnalytic; 634 gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); 635 636 SkTDArray<SkPixelRef*> gatheredRefs; 637 prCont->query(r, &gatheredRefs); 638 639 // Everything that we saw drawn should appear in the analytic list 640 // but the analytic list may contain some pixelRefs that were not 641 // seen in the image (e.g., A8 textures used as masks) 642 for (int i = 0; i < fromImage.count(); ++i) { 643 REPORTER_ASSERT(reporter, -1 != fromAnalytic.find(fromImage[i])); 644 } 645 646 // Everything in the analytic list should appear in the gathered 647 // list. 648 for (int i = 0; i < fromAnalytic.count(); ++i) { 649 REPORTER_ASSERT(reporter, -1 != gatheredRefs.find(fromAnalytic[i])); 650 } 651 } 652 } 653} 654 655#ifdef SK_DEBUG 656// Ensure that deleting SkPicturePlayback does not assert. Asserts only fire in debug mode, so only 657// run in debug mode. 658static void test_deleting_empty_playback() { 659 SkPictureRecorder recorder; 660 // Creates an SkPictureRecord 661 recorder.beginRecording(0, 0); 662 // Turns that into an SkPicturePlayback 663 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 664 // Deletes the old SkPicturePlayback, and creates a new SkPictureRecord 665 recorder.beginRecording(0, 0); 666} 667 668// Ensure that serializing an empty picture does not assert. Likewise only runs in debug mode. 669static void test_serializing_empty_picture() { 670 SkPictureRecorder recorder; 671 recorder.beginRecording(0, 0); 672 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 673 SkDynamicMemoryWStream stream; 674 picture->serialize(&stream); 675} 676#endif 677 678static void rand_op(SkCanvas* canvas, SkRandom& rand) { 679 SkPaint paint; 680 SkRect rect = SkRect::MakeWH(50, 50); 681 682 SkScalar unit = rand.nextUScalar1(); 683 if (unit <= 0.3) { 684// SkDebugf("save\n"); 685 canvas->save(); 686 } else if (unit <= 0.6) { 687// SkDebugf("restore\n"); 688 canvas->restore(); 689 } else if (unit <= 0.9) { 690// SkDebugf("clip\n"); 691 canvas->clipRect(rect); 692 } else { 693// SkDebugf("draw\n"); 694 canvas->drawPaint(paint); 695 } 696} 697 698static void set_canvas_to_save_count_4(SkCanvas* canvas) { 699 canvas->restoreToCount(1); 700 canvas->save(); 701 canvas->save(); 702 canvas->save(); 703} 704 705static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { 706 SkCanvas testCanvas(100, 100); 707 set_canvas_to_save_count_4(&testCanvas); 708 709 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 710 711 SkPaint paint; 712 SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000); 713 714 SkPictureRecorder recorder; 715 716 { 717 // Create picture with 2 unbalanced saves 718 SkCanvas* canvas = recorder.beginRecording(100, 100); 719 canvas->save(); 720 canvas->translate(10, 10); 721 canvas->drawRect(rect, paint); 722 canvas->save(); 723 canvas->translate(10, 10); 724 canvas->drawRect(rect, paint); 725 SkAutoTUnref<SkPicture> extraSavePicture(recorder.endRecording()); 726 727 testCanvas.drawPicture(*extraSavePicture); 728 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 729 } 730 731 set_canvas_to_save_count_4(&testCanvas); 732 733 { 734 // Create picture with 2 unbalanced restores 735 SkCanvas* canvas = recorder.beginRecording(100, 100); 736 canvas->save(); 737 canvas->translate(10, 10); 738 canvas->drawRect(rect, paint); 739 canvas->save(); 740 canvas->translate(10, 10); 741 canvas->drawRect(rect, paint); 742 canvas->restore(); 743 canvas->restore(); 744 canvas->restore(); 745 canvas->restore(); 746 SkAutoTUnref<SkPicture> extraRestorePicture(recorder.endRecording()); 747 748 testCanvas.drawPicture(*extraRestorePicture); 749 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 750 } 751 752 set_canvas_to_save_count_4(&testCanvas); 753 754 { 755 SkCanvas* canvas = recorder.beginRecording(100, 100); 756 canvas->translate(10, 10); 757 canvas->drawRect(rect, paint); 758 SkAutoTUnref<SkPicture> noSavePicture(recorder.endRecording()); 759 760 testCanvas.drawPicture(*noSavePicture); 761 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 762 REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); 763 } 764} 765 766static void test_peephole() { 767 SkRandom rand; 768 769 SkPictureRecorder recorder; 770 771 for (int j = 0; j < 100; j++) { 772 SkRandom rand2(rand); // remember the seed 773 774 SkCanvas* canvas = recorder.beginRecording(100, 100); 775 776 for (int i = 0; i < 1000; ++i) { 777 rand_op(canvas, rand); 778 } 779 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 780 781 rand = rand2; 782 } 783 784 { 785 SkCanvas* canvas = recorder.beginRecording(100, 100); 786 SkRect rect = SkRect::MakeWH(50, 50); 787 788 for (int i = 0; i < 100; ++i) { 789 canvas->save(); 790 } 791 while (canvas->getSaveCount() > 1) { 792 canvas->clipRect(rect); 793 canvas->restore(); 794 } 795 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 796 } 797} 798 799#ifndef SK_DEBUG 800// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller 801// should never do this. 802static void test_bad_bitmap() { 803 // This bitmap has a width and height but no pixels. As a result, attempting to record it will 804 // fail. 805 SkBitmap bm; 806 bm.setConfig(SkImageInfo::MakeN32Premul(100, 100)); 807 SkPictureRecorder recorder; 808 SkCanvas* recordingCanvas = recorder.beginRecording(100, 100); 809 recordingCanvas->drawBitmap(bm, 0, 0); 810 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 811 812 SkCanvas canvas; 813 canvas.drawPicture(*picture); 814} 815#endif 816 817static SkData* encode_bitmap_to_data(size_t*, const SkBitmap& bm) { 818 return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); 819} 820 821static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { 822 SkPictureRecorder recorder; 823 SkCanvas* canvas = recorder.beginRecording(bitmap.width(), bitmap.height()); 824 canvas->drawBitmap(bitmap, 0, 0); 825 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 826 827 SkDynamicMemoryWStream wStream; 828 picture->serialize(&wStream, &encode_bitmap_to_data); 829 return wStream.copyToData(); 830} 831 832struct ErrorContext { 833 int fErrors; 834 skiatest::Reporter* fReporter; 835}; 836 837static void assert_one_parse_error_cb(SkError error, void* context) { 838 ErrorContext* errorContext = static_cast<ErrorContext*>(context); 839 errorContext->fErrors++; 840 // This test only expects one error, and that is a kParseError. If there are others, 841 // there is some unknown problem. 842 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, 843 "This threw more errors than expected."); 844 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, 845 SkGetLastErrorString()); 846} 847 848static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { 849 // Create a bitmap that will be encoded. 850 SkBitmap original; 851 make_bm(&original, 100, 100, SK_ColorBLUE, true); 852 SkDynamicMemoryWStream wStream; 853 if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { 854 return; 855 } 856 SkAutoDataUnref data(wStream.copyToData()); 857 858 SkBitmap bm; 859 bool installSuccess = SkInstallDiscardablePixelRef( 860 SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()), &bm, NULL); 861 REPORTER_ASSERT(reporter, installSuccess); 862 863 // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. 864 // Flattening original will follow the old path of performing an encode, while flattening bm 865 // will use the already encoded data. 866 SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); 867 SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); 868 REPORTER_ASSERT(reporter, picture1->equals(picture2)); 869 // Now test that a parse error was generated when trying to create a new SkPicture without 870 // providing a function to decode the bitmap. 871 ErrorContext context; 872 context.fErrors = 0; 873 context.fReporter = reporter; 874 SkSetErrorCallback(assert_one_parse_error_cb, &context); 875 SkMemoryStream pictureStream(picture1); 876 SkClearLastError(); 877 SkAutoUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); 878 REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); 879 SkClearLastError(); 880 SkSetErrorCallback(NULL, NULL); 881} 882 883static void test_clone_empty(skiatest::Reporter* reporter) { 884 // This is a regression test for crbug.com/172062 885 // Before the fix, we used to crash accessing a null pointer when we 886 // had a picture with no paints. This test passes by not crashing. 887 { 888 SkPictureRecorder recorder; 889 recorder.beginRecording(1, 1); 890 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 891 SkAutoTUnref<SkPicture> destPicture(picture->clone()); 892 REPORTER_ASSERT(reporter, NULL != destPicture); 893 } 894} 895 896static void test_draw_empty(skiatest::Reporter* reporter) { 897 SkBitmap result; 898 make_bm(&result, 2, 2, SK_ColorBLACK, false); 899 900 SkCanvas canvas(result); 901 902 { 903 // stock SkPicture 904 SkPictureRecorder recorder; 905 recorder.beginRecording(1, 1); 906 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 907 908 canvas.drawPicture(*picture); 909 } 910 911 { 912 // tile grid 913 SkTileGridPicture::TileGridInfo gridInfo; 914 gridInfo.fMargin.setEmpty(); 915 gridInfo.fOffset.setZero(); 916 gridInfo.fTileInterval.set(1, 1); 917 918 SkAutoTUnref<SkPictureFactory> factory(SkNEW_ARGS(SkTileGridPictureFactory, (gridInfo))); 919 SkPictureRecorder recorder(factory); 920 recorder.beginRecording(1, 1, SkPicture::kOptimizeForClippedPlayback_RecordingFlag); 921 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 922 923 canvas.drawPicture(*picture); 924 } 925 926 { 927 // RTree 928 SkPictureRecorder recorder; 929 recorder.beginRecording(1, 1, SkPicture::kOptimizeForClippedPlayback_RecordingFlag); 930 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 931 932 canvas.drawPicture(*picture); 933 } 934 935 { 936 // quad tree 937 SkAutoTUnref<SkPictureFactory> factory(SkNEW(SkQuadTreePictureFactory)); 938 SkPictureRecorder recorder(factory); 939 recorder.beginRecording(1, 1, SkPicture::kOptimizeForClippedPlayback_RecordingFlag); 940 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 941 942 canvas.drawPicture(*picture); 943 } 944} 945 946static void test_clip_bound_opt(skiatest::Reporter* reporter) { 947 // Test for crbug.com/229011 948 SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4), 949 SkIntToScalar(2), SkIntToScalar(2)); 950 SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7), 951 SkIntToScalar(1), SkIntToScalar(1)); 952 SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6), 953 SkIntToScalar(1), SkIntToScalar(1)); 954 955 SkPath invPath; 956 invPath.addOval(rect1); 957 invPath.setFillType(SkPath::kInverseEvenOdd_FillType); 958 SkPath path; 959 path.addOval(rect2); 960 SkPath path2; 961 path2.addOval(rect3); 962 SkIRect clipBounds; 963 SkPictureRecorder recorder; 964 // Minimalist test set for 100% code coverage of 965 // SkPictureRecord::updateClipConservativelyUsingBounds 966 { 967 SkCanvas* canvas = recorder.beginRecording(10, 10, 968 SkPicture::kUsePathBoundsForClip_RecordingFlag); 969 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 970 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 971 REPORTER_ASSERT(reporter, true == nonEmpty); 972 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 973 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 974 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 975 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 976 } 977 { 978 SkCanvas* canvas = recorder.beginRecording(10, 10, 979 SkPicture::kUsePathBoundsForClip_RecordingFlag); 980 canvas->clipPath(path, SkRegion::kIntersect_Op); 981 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 982 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 983 REPORTER_ASSERT(reporter, true == nonEmpty); 984 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 985 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 986 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 987 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 988 } 989 { 990 SkCanvas* canvas = recorder.beginRecording(10, 10, 991 SkPicture::kUsePathBoundsForClip_RecordingFlag); 992 canvas->clipPath(path, SkRegion::kIntersect_Op); 993 canvas->clipPath(invPath, SkRegion::kUnion_Op); 994 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 995 REPORTER_ASSERT(reporter, true == nonEmpty); 996 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 997 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 998 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 999 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1000 } 1001 { 1002 SkCanvas* canvas = recorder.beginRecording(10, 10, 1003 SkPicture::kUsePathBoundsForClip_RecordingFlag); 1004 canvas->clipPath(path, SkRegion::kDifference_Op); 1005 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1006 REPORTER_ASSERT(reporter, true == nonEmpty); 1007 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1008 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1009 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1010 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1011 } 1012 { 1013 SkCanvas* canvas = recorder.beginRecording(10, 10, 1014 SkPicture::kUsePathBoundsForClip_RecordingFlag); 1015 canvas->clipPath(path, SkRegion::kReverseDifference_Op); 1016 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1017 // True clip is actually empty in this case, but the best 1018 // determination we can make using only bounds as input is that the 1019 // clip is included in the bounds of 'path'. 1020 REPORTER_ASSERT(reporter, true == nonEmpty); 1021 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1022 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1023 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1024 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1025 } 1026 { 1027 SkCanvas* canvas = recorder.beginRecording(10, 10, 1028 SkPicture::kUsePathBoundsForClip_RecordingFlag); 1029 canvas->clipPath(path, SkRegion::kIntersect_Op); 1030 canvas->clipPath(path2, SkRegion::kXOR_Op); 1031 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1032 REPORTER_ASSERT(reporter, true == nonEmpty); 1033 REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); 1034 REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); 1035 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1036 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1037 } 1038} 1039 1040/** 1041 * A canvas that records the number of clip commands. 1042 */ 1043class ClipCountingCanvas : public SkCanvas { 1044public: 1045 explicit ClipCountingCanvas(int width, int height) 1046 : INHERITED(width, height) 1047 , fClipCount(0){ 1048 } 1049 1050 virtual void onClipRect(const SkRect& r, 1051 SkRegion::Op op, 1052 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1053 fClipCount += 1; 1054 this->INHERITED::onClipRect(r, op, edgeStyle); 1055 } 1056 1057 virtual void onClipRRect(const SkRRect& rrect, 1058 SkRegion::Op op, 1059 ClipEdgeStyle edgeStyle)SK_OVERRIDE { 1060 fClipCount += 1; 1061 this->INHERITED::onClipRRect(rrect, op, edgeStyle); 1062 } 1063 1064 virtual void onClipPath(const SkPath& path, 1065 SkRegion::Op op, 1066 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1067 fClipCount += 1; 1068 this->INHERITED::onClipPath(path, op, edgeStyle); 1069 } 1070 1071 virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE { 1072 fClipCount += 1; 1073 this->INHERITED::onClipRegion(deviceRgn, op); 1074 } 1075 1076 unsigned getClipCount() const { return fClipCount; } 1077 1078private: 1079 unsigned fClipCount; 1080 1081 typedef SkCanvas INHERITED; 1082}; 1083 1084static void test_clip_expansion(skiatest::Reporter* reporter) { 1085 SkPictureRecorder recorder; 1086 SkCanvas* canvas = recorder.beginRecording(10, 10, 0); 1087 1088 canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op); 1089 // The following expanding clip should not be skipped. 1090 canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); 1091 // Draw something so the optimizer doesn't just fold the world. 1092 SkPaint p; 1093 p.setColor(SK_ColorBLUE); 1094 canvas->drawPaint(p); 1095 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1096 1097 ClipCountingCanvas testCanvas(10, 10); 1098 picture->draw(&testCanvas); 1099 1100 // Both clips should be present on playback. 1101 REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); 1102} 1103 1104static void test_hierarchical(skiatest::Reporter* reporter) { 1105 SkBitmap bm; 1106 make_bm(&bm, 10, 10, SK_ColorRED, true); 1107 1108 SkPictureRecorder recorder; 1109 1110 recorder.beginRecording(10, 10); 1111 SkAutoTUnref<SkPicture> childPlain(recorder.endRecording()); 1112 REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 1113 1114 recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); 1115 SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); 1116 REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 1117 1118 { 1119 SkCanvas* canvas = recorder.beginRecording(10, 10); 1120 canvas->drawPicture(*childPlain); 1121 SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); 1122 REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 1123 } 1124 { 1125 SkCanvas* canvas = recorder.beginRecording(10, 10); 1126 canvas->drawPicture(*childWithBitmap); 1127 SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); 1128 REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 1129 } 1130 { 1131 SkCanvas* canvas = recorder.beginRecording(10, 10); 1132 canvas->drawBitmap(bm, 0, 0); 1133 canvas->drawPicture(*childPlain); 1134 SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); 1135 REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 1136 } 1137 { 1138 SkCanvas* canvas = recorder.beginRecording(10, 10); 1139 canvas->drawBitmap(bm, 0, 0); 1140 canvas->drawPicture(*childWithBitmap); 1141 SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); 1142 REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 1143 } 1144} 1145 1146static void test_gen_id(skiatest::Reporter* reporter) { 1147 1148 SkPicture empty; 1149 1150 // Empty pictures should still have a valid ID 1151 REPORTER_ASSERT(reporter, empty.uniqueID() != SK_InvalidGenID); 1152 1153 SkPictureRecorder recorder; 1154 1155 SkCanvas* canvas = recorder.beginRecording(1, 1); 1156 canvas->drawARGB(255, 255, 255, 255); 1157 SkAutoTUnref<SkPicture> hasData(recorder.endRecording()); 1158 // picture should have a non-zero id after recording 1159 REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID); 1160 1161 // both pictures should have different ids 1162 REPORTER_ASSERT(reporter, hasData->uniqueID() != empty.uniqueID()); 1163 1164 // test out copy constructor 1165 SkPicture copyWithData(*hasData); 1166 REPORTER_ASSERT(reporter, hasData->uniqueID() == copyWithData.uniqueID()); 1167 1168 SkPicture emptyCopy(empty); 1169 REPORTER_ASSERT(reporter, empty.uniqueID() != emptyCopy.uniqueID()); 1170 1171 // test out swap 1172 { 1173 SkPicture swapWithData; 1174 uint32_t beforeID1 = swapWithData.uniqueID(); 1175 uint32_t beforeID2 = copyWithData.uniqueID(); 1176 swapWithData.swap(copyWithData); 1177 REPORTER_ASSERT(reporter, copyWithData.uniqueID() == beforeID1); 1178 REPORTER_ASSERT(reporter, swapWithData.uniqueID() == beforeID2); 1179 } 1180 1181 // test out clone 1182 { 1183 SkAutoTUnref<SkPicture> cloneWithData(hasData->clone()); 1184 REPORTER_ASSERT(reporter, hasData->uniqueID() == cloneWithData->uniqueID()); 1185 1186 SkAutoTUnref<SkPicture> emptyClone(empty.clone()); 1187 REPORTER_ASSERT(reporter, empty.uniqueID() != emptyClone->uniqueID()); 1188 } 1189} 1190 1191DEF_TEST(Picture, reporter) { 1192#ifdef SK_DEBUG 1193 test_deleting_empty_playback(); 1194 test_serializing_empty_picture(); 1195#else 1196 test_bad_bitmap(); 1197#endif 1198 test_unbalanced_save_restores(reporter); 1199 test_peephole(); 1200 test_gatherpixelrefs(reporter); 1201 test_gatherpixelrefsandrects(reporter); 1202 test_bitmap_with_encoded_data(reporter); 1203 test_clone_empty(reporter); 1204 test_draw_empty(reporter); 1205 test_clip_bound_opt(reporter); 1206 test_clip_expansion(reporter); 1207 test_hierarchical(reporter); 1208 test_gen_id(reporter); 1209} 1210 1211static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) { 1212 const SkPaint paint; 1213 const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f }; 1214 const SkIRect irect = { 2, 2, 3, 3 }; 1215 1216 // Don't care what these record, as long as they're legal. 1217 canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); 1218 canvas->drawBitmapRectToRect(bitmap, &rect, rect, &paint, SkCanvas::kNone_DrawBitmapRectFlag); 1219 canvas->drawBitmapMatrix(bitmap, SkMatrix::I(), &paint); 1220 canvas->drawBitmapNine(bitmap, irect, rect, &paint); 1221 canvas->drawSprite(bitmap, 1, 1); 1222} 1223 1224static void test_draw_bitmaps(SkCanvas* canvas) { 1225 SkBitmap empty; 1226 draw_bitmaps(empty, canvas); 1227 empty.setConfig(SkImageInfo::MakeN32Premul(10, 10)); 1228 draw_bitmaps(empty, canvas); 1229} 1230 1231DEF_TEST(Picture_EmptyBitmap, r) { 1232 SkPictureRecorder recorder; 1233 test_draw_bitmaps(recorder.beginRecording(10, 10)); 1234 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1235} 1236 1237DEF_TEST(Canvas_EmptyBitmap, r) { 1238 SkBitmap dst; 1239 dst.allocN32Pixels(10, 10); 1240 SkCanvas canvas(dst); 1241 1242 test_draw_bitmaps(&canvas); 1243} 1244