PictureTest.cpp revision 78e276889795454891cbba48ab11927968114953
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 "SkBBoxHierarchy.h" 9#include "SkBlurImageFilter.h" 10#include "SkCanvas.h" 11#include "SkColorMatrixFilter.h" 12#include "SkColorPriv.h" 13#include "SkDashPathEffect.h" 14#include "SkData.h" 15#include "SkDecodingImageGenerator.h" 16#include "SkError.h" 17#include "SkImageEncoder.h" 18#include "SkImageGenerator.h" 19#include "SkLayerInfo.h" 20#include "SkPaint.h" 21#include "SkPicture.h" 22#include "SkPictureRecorder.h" 23#include "SkPictureUtils.h" 24#include "SkPixelRef.h" 25#include "SkRRect.h" 26#include "SkRandom.h" 27#include "SkShader.h" 28#include "SkStream.h" 29 30#if SK_SUPPORT_GPU 31#include "SkSurface.h" 32#include "GrContextFactory.h" 33#endif 34#include "Test.h" 35 36#include "SkLumaColorFilter.h" 37#include "SkColorFilterImageFilter.h" 38 39static const int gColorScale = 30; 40static const int gColorOffset = 60; 41 42static void make_bm(SkBitmap* bm, int w, int h, SkColor color, bool immutable) { 43 bm->allocN32Pixels(w, h); 44 bm->eraseColor(color); 45 if (immutable) { 46 bm->setImmutable(); 47 } 48} 49 50static void make_checkerboard(SkBitmap* bm, int w, int h, bool immutable) { 51 SkASSERT(w % 2 == 0); 52 SkASSERT(h % 2 == 0); 53 bm->allocPixels(SkImageInfo::Make(w, h, kAlpha_8_SkColorType, 54 kPremul_SkAlphaType)); 55 SkAutoLockPixels lock(*bm); 56 for (int y = 0; y < h; y += 2) { 57 uint8_t* s = bm->getAddr8(0, y); 58 for (int x = 0; x < w; x += 2) { 59 *s++ = 0xFF; 60 *s++ = 0x00; 61 } 62 s = bm->getAddr8(0, y + 1); 63 for (int x = 0; x < w; x += 2) { 64 *s++ = 0x00; 65 *s++ = 0xFF; 66 } 67 } 68 if (immutable) { 69 bm->setImmutable(); 70 } 71} 72 73static void init_paint(SkPaint* paint, const SkBitmap &bm) { 74 SkShader* shader = SkShader::CreateBitmapShader(bm, 75 SkShader::kClamp_TileMode, 76 SkShader::kClamp_TileMode); 77 paint->setShader(shader)->unref(); 78} 79 80typedef void (*DrawBitmapProc)(SkCanvas*, const SkBitmap&, 81 const SkBitmap&, const SkPoint&, 82 SkTDArray<SkPixelRef*>* usedPixRefs); 83 84static void drawpaint_proc(SkCanvas* canvas, const SkBitmap& bm, 85 const SkBitmap& altBM, const SkPoint& pos, 86 SkTDArray<SkPixelRef*>* usedPixRefs) { 87 SkPaint paint; 88 init_paint(&paint, bm); 89 90 canvas->drawPaint(paint); 91 *usedPixRefs->append() = bm.pixelRef(); 92} 93 94static void drawpoints_proc(SkCanvas* canvas, const SkBitmap& bm, 95 const SkBitmap& altBM, const SkPoint& pos, 96 SkTDArray<SkPixelRef*>* usedPixRefs) { 97 SkPaint paint; 98 init_paint(&paint, bm); 99 100 // draw a rect 101 SkPoint points[5] = { 102 { pos.fX, pos.fY }, 103 { pos.fX + bm.width() - 1, pos.fY }, 104 { pos.fX + bm.width() - 1, pos.fY + bm.height() - 1 }, 105 { pos.fX, pos.fY + bm.height() - 1 }, 106 { pos.fX, pos.fY }, 107 }; 108 109 canvas->drawPoints(SkCanvas::kPolygon_PointMode, 5, points, paint); 110 *usedPixRefs->append() = bm.pixelRef(); 111} 112 113static void drawrect_proc(SkCanvas* canvas, const SkBitmap& bm, 114 const SkBitmap& altBM, const SkPoint& pos, 115 SkTDArray<SkPixelRef*>* usedPixRefs) { 116 SkPaint paint; 117 init_paint(&paint, bm); 118 119 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 120 r.offset(pos.fX, pos.fY); 121 122 canvas->drawRect(r, paint); 123 *usedPixRefs->append() = bm.pixelRef(); 124} 125 126static void drawoval_proc(SkCanvas* canvas, const SkBitmap& bm, 127 const SkBitmap& altBM, const SkPoint& pos, 128 SkTDArray<SkPixelRef*>* usedPixRefs) { 129 SkPaint paint; 130 init_paint(&paint, bm); 131 132 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 133 r.offset(pos.fX, pos.fY); 134 135 canvas->drawOval(r, paint); 136 *usedPixRefs->append() = bm.pixelRef(); 137} 138 139static void drawrrect_proc(SkCanvas* canvas, const SkBitmap& bm, 140 const SkBitmap& altBM, const SkPoint& pos, 141 SkTDArray<SkPixelRef*>* usedPixRefs) { 142 SkPaint paint; 143 init_paint(&paint, bm); 144 145 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 146 r.offset(pos.fX, pos.fY); 147 148 SkRRect rr; 149 rr.setRectXY(r, SkIntToScalar(bm.width())/4, SkIntToScalar(bm.height())/4); 150 canvas->drawRRect(rr, paint); 151 *usedPixRefs->append() = bm.pixelRef(); 152} 153 154static void drawpath_proc(SkCanvas* canvas, const SkBitmap& bm, 155 const SkBitmap& altBM, const SkPoint& pos, 156 SkTDArray<SkPixelRef*>* usedPixRefs) { 157 SkPaint paint; 158 init_paint(&paint, bm); 159 160 SkPath path; 161 path.lineTo(bm.width()/2.0f, SkIntToScalar(bm.height())); 162 path.lineTo(SkIntToScalar(bm.width()), 0); 163 path.close(); 164 path.offset(pos.fX, pos.fY); 165 166 canvas->drawPath(path, paint); 167 *usedPixRefs->append() = bm.pixelRef(); 168} 169 170static void drawbitmap_proc(SkCanvas* canvas, const SkBitmap& bm, 171 const SkBitmap& altBM, const SkPoint& pos, 172 SkTDArray<SkPixelRef*>* usedPixRefs) { 173 canvas->drawBitmap(bm, pos.fX, pos.fY, NULL); 174 *usedPixRefs->append() = bm.pixelRef(); 175} 176 177static void drawbitmap_withshader_proc(SkCanvas* canvas, const SkBitmap& bm, 178 const SkBitmap& altBM, const SkPoint& pos, 179 SkTDArray<SkPixelRef*>* usedPixRefs) { 180 SkPaint paint; 181 init_paint(&paint, bm); 182 183 // The bitmap in the paint is ignored unless we're drawing an A8 bitmap 184 canvas->drawBitmap(altBM, pos.fX, pos.fY, &paint); 185 *usedPixRefs->append() = bm.pixelRef(); 186 *usedPixRefs->append() = altBM.pixelRef(); 187} 188 189static void drawsprite_proc(SkCanvas* canvas, const SkBitmap& bm, 190 const SkBitmap& altBM, const SkPoint& pos, 191 SkTDArray<SkPixelRef*>* usedPixRefs) { 192 const SkMatrix& ctm = canvas->getTotalMatrix(); 193 194 SkPoint p(pos); 195 ctm.mapPoints(&p, 1); 196 197 canvas->drawSprite(bm, (int)p.fX, (int)p.fY, NULL); 198 *usedPixRefs->append() = bm.pixelRef(); 199} 200 201#if 0 202// Although specifiable, this case doesn't seem to make sense (i.e., the 203// bitmap in the shader is never used). 204static void drawsprite_withshader_proc(SkCanvas* canvas, const SkBitmap& bm, 205 const SkBitmap& altBM, const SkPoint& pos, 206 SkTDArray<SkPixelRef*>* usedPixRefs) { 207 SkPaint paint; 208 init_paint(&paint, bm); 209 210 const SkMatrix& ctm = canvas->getTotalMatrix(); 211 212 SkPoint p(pos); 213 ctm.mapPoints(&p, 1); 214 215 canvas->drawSprite(altBM, (int)p.fX, (int)p.fY, &paint); 216 *usedPixRefs->append() = bm.pixelRef(); 217 *usedPixRefs->append() = altBM.pixelRef(); 218} 219#endif 220 221static void drawbitmaprect_proc(SkCanvas* canvas, const SkBitmap& bm, 222 const SkBitmap& altBM, const SkPoint& pos, 223 SkTDArray<SkPixelRef*>* usedPixRefs) { 224 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 225 226 r.offset(pos.fX, pos.fY); 227 canvas->drawBitmapRectToRect(bm, NULL, r, NULL); 228 *usedPixRefs->append() = bm.pixelRef(); 229} 230 231static void drawbitmaprect_withshader_proc(SkCanvas* canvas, 232 const SkBitmap& bm, 233 const SkBitmap& altBM, 234 const SkPoint& pos, 235 SkTDArray<SkPixelRef*>* usedPixRefs) { 236 SkPaint paint; 237 init_paint(&paint, bm); 238 239 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 240 r.offset(pos.fX, pos.fY); 241 242 // The bitmap in the paint is ignored unless we're drawing an A8 bitmap 243 canvas->drawBitmapRectToRect(altBM, NULL, r, &paint); 244 *usedPixRefs->append() = bm.pixelRef(); 245 *usedPixRefs->append() = altBM.pixelRef(); 246} 247 248static void drawtext_proc(SkCanvas* canvas, const SkBitmap& bm, 249 const SkBitmap& altBM, const SkPoint& pos, 250 SkTDArray<SkPixelRef*>* usedPixRefs) { 251 SkPaint paint; 252 init_paint(&paint, bm); 253 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 254 255 canvas->drawText("0", 1, pos.fX, pos.fY+bm.width(), paint); 256 *usedPixRefs->append() = bm.pixelRef(); 257} 258 259static void drawpostext_proc(SkCanvas* canvas, const SkBitmap& bm, 260 const SkBitmap& altBM, const SkPoint& pos, 261 SkTDArray<SkPixelRef*>* usedPixRefs) { 262 SkPaint paint; 263 init_paint(&paint, bm); 264 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 265 266 SkPoint point = { pos.fX, pos.fY + bm.height() }; 267 canvas->drawPosText("O", 1, &point, paint); 268 *usedPixRefs->append() = bm.pixelRef(); 269} 270 271static void drawtextonpath_proc(SkCanvas* canvas, const SkBitmap& bm, 272 const SkBitmap& altBM, const SkPoint& pos, 273 SkTDArray<SkPixelRef*>* usedPixRefs) { 274 SkPaint paint; 275 276 init_paint(&paint, bm); 277 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 278 279 SkPath path; 280 path.lineTo(SkIntToScalar(bm.width()), 0); 281 path.offset(pos.fX, pos.fY+bm.height()); 282 283 canvas->drawTextOnPath("O", 1, path, NULL, paint); 284 *usedPixRefs->append() = bm.pixelRef(); 285} 286 287static void drawverts_proc(SkCanvas* canvas, const SkBitmap& bm, 288 const SkBitmap& altBM, const SkPoint& pos, 289 SkTDArray<SkPixelRef*>* usedPixRefs) { 290 SkPaint paint; 291 init_paint(&paint, bm); 292 293 SkPoint verts[4] = { 294 { pos.fX, pos.fY }, 295 { pos.fX + bm.width(), pos.fY }, 296 { pos.fX + bm.width(), pos.fY + bm.height() }, 297 { pos.fX, pos.fY + bm.height() } 298 }; 299 SkPoint texs[4] = { { 0, 0 }, 300 { SkIntToScalar(bm.width()), 0 }, 301 { SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }, 302 { 0, SkIntToScalar(bm.height()) } }; 303 uint16_t indices[6] = { 0, 1, 2, 0, 2, 3 }; 304 305 canvas->drawVertices(SkCanvas::kTriangles_VertexMode, 4, verts, texs, NULL, NULL, 306 indices, 6, paint); 307 *usedPixRefs->append() = bm.pixelRef(); 308} 309 310// Return a picture with the bitmaps drawn at the specified positions. 311static SkPicture* record_bitmaps(const SkBitmap bm[], 312 const SkPoint pos[], 313 SkTDArray<SkPixelRef*> analytic[], 314 int count, 315 DrawBitmapProc proc) { 316 SkPictureRecorder recorder; 317 SkCanvas* canvas = recorder.beginRecording(1000, 1000); 318 for (int i = 0; i < count; ++i) { 319 analytic[i].rewind(); 320 canvas->save(); 321 SkRect clipRect = SkRect::MakeXYWH(pos[i].fX, pos[i].fY, 322 SkIntToScalar(bm[i].width()), 323 SkIntToScalar(bm[i].height())); 324 canvas->clipRect(clipRect, SkRegion::kIntersect_Op); 325 proc(canvas, bm[i], bm[count+i], pos[i], &analytic[i]); 326 canvas->restore(); 327 } 328 return recorder.endRecording(); 329} 330 331static void rand_rect(SkRect* rect, SkRandom& rand, SkScalar W, SkScalar H) { 332 rect->fLeft = rand.nextRangeScalar(-W, 2*W); 333 rect->fTop = rand.nextRangeScalar(-H, 2*H); 334 rect->fRight = rect->fLeft + rand.nextRangeScalar(0, W); 335 rect->fBottom = rect->fTop + rand.nextRangeScalar(0, H); 336 337 // we integralize rect to make our tests more predictable, since Gather is 338 // a little sloppy. 339 SkIRect ir; 340 rect->round(&ir); 341 rect->set(ir); 342} 343 344static void draw(SkPicture* pic, int width, int height, SkBitmap* result) { 345 make_bm(result, width, height, SK_ColorBLACK, false); 346 347 SkCanvas canvas(*result); 348 canvas.drawPicture(pic); 349} 350 351template <typename T> int find_index(const T* array, T elem, int count) { 352 for (int i = 0; i < count; ++i) { 353 if (array[i] == elem) { 354 return i; 355 } 356 } 357 return -1; 358} 359 360// Return true if 'ref' is found in array[] 361static bool find(SkPixelRef const * const * array, SkPixelRef const * ref, int count) { 362 return find_index<const SkPixelRef*>(array, ref, count) >= 0; 363} 364 365// Look at each pixel that is inside 'subset', and if its color appears in 366// colors[], find the corresponding value in refs[] and append that ref into 367// array, skipping duplicates of the same value. 368// Note that gathering pixelRefs from rendered colors suffers from the problem 369// that multiple simultaneous textures (e.g., A8 for alpha and 8888 for color) 370// isn't easy to reconstruct. 371static void gather_from_image(const SkBitmap& bm, SkPixelRef* const refs[], 372 int count, SkTDArray<SkPixelRef*>* array, 373 const SkRect& subset) { 374 SkIRect ir; 375 subset.roundOut(&ir); 376 377 if (!ir.intersect(0, 0, bm.width()-1, bm.height()-1)) { 378 return; 379 } 380 381 // Since we only want to return unique values in array, when we scan we just 382 // set a bit for each index'd color found. In practice we only have a few 383 // distinct colors, so we just use an int's bits as our array. Hence the 384 // assert that count <= number-of-bits-in-our-int. 385 SkASSERT((unsigned)count <= 32); 386 uint32_t bitarray = 0; 387 388 SkAutoLockPixels alp(bm); 389 390 for (int y = ir.fTop; y < ir.fBottom; ++y) { 391 for (int x = ir.fLeft; x < ir.fRight; ++x) { 392 SkPMColor pmc = *bm.getAddr32(x, y); 393 // the only good case where the color is not found would be if 394 // the color is transparent, meaning no bitmap was drawn in that 395 // pixel. 396 if (pmc) { 397 uint32_t index = SkGetPackedR32(pmc); 398 SkASSERT(SkGetPackedG32(pmc) == index); 399 SkASSERT(SkGetPackedB32(pmc) == index); 400 if (0 == index) { 401 continue; // background color 402 } 403 SkASSERT(0 == (index - gColorOffset) % gColorScale); 404 index = (index - gColorOffset) / gColorScale; 405 SkASSERT(static_cast<int>(index) < count); 406 bitarray |= 1 << index; 407 } 408 } 409 } 410 411 for (int i = 0; i < count; ++i) { 412 if (bitarray & (1 << i)) { 413 *array->append() = refs[i]; 414 } 415 } 416} 417 418static void gather_from_analytic(const SkPoint pos[], SkScalar w, SkScalar h, 419 const SkTDArray<SkPixelRef*> analytic[], 420 int count, 421 SkTDArray<SkPixelRef*>* result, 422 const SkRect& subset) { 423 for (int i = 0; i < count; ++i) { 424 SkRect rect = SkRect::MakeXYWH(pos[i].fX, pos[i].fY, w, h); 425 426 if (SkRect::Intersects(subset, rect)) { 427 result->append(analytic[i].count(), analytic[i].begin()); 428 } 429 } 430} 431 432 433static const struct { 434 const DrawBitmapProc proc; 435 const char* const desc; 436} gProcs[] = { 437 {drawpaint_proc, "drawpaint"}, 438 {drawpoints_proc, "drawpoints"}, 439 {drawrect_proc, "drawrect"}, 440 {drawoval_proc, "drawoval"}, 441 {drawrrect_proc, "drawrrect"}, 442 {drawpath_proc, "drawpath"}, 443 {drawbitmap_proc, "drawbitmap"}, 444 {drawbitmap_withshader_proc, "drawbitmap_withshader"}, 445 {drawsprite_proc, "drawsprite"}, 446#if 0 447 {drawsprite_withshader_proc, "drawsprite_withshader"}, 448#endif 449 {drawbitmaprect_proc, "drawbitmaprect"}, 450 {drawbitmaprect_withshader_proc, "drawbitmaprect_withshader"}, 451 {drawtext_proc, "drawtext"}, 452 {drawpostext_proc, "drawpostext"}, 453 {drawtextonpath_proc, "drawtextonpath"}, 454 {drawverts_proc, "drawverts"}, 455}; 456 457static void create_textures(SkBitmap* bm, SkPixelRef** refs, int num, int w, int h) { 458 // Our convention is that the color components contain an encoding of 459 // the index of their corresponding bitmap/pixelref. (0,0,0,0) is 460 // reserved for the background 461 for (int i = 0; i < num; ++i) { 462 make_bm(&bm[i], w, h, 463 SkColorSetARGB(0xFF, 464 gColorScale*i+gColorOffset, 465 gColorScale*i+gColorOffset, 466 gColorScale*i+gColorOffset), 467 true); 468 refs[i] = bm[i].pixelRef(); 469 } 470 471 // The A8 alternate bitmaps are all BW checkerboards 472 for (int i = 0; i < num; ++i) { 473 make_checkerboard(&bm[num+i], w, h, true); 474 refs[num+i] = bm[num+i].pixelRef(); 475 } 476} 477 478static void test_gatherpixelrefs(skiatest::Reporter* reporter) { 479 const int IW = 32; 480 const int IH = IW; 481 const SkScalar W = SkIntToScalar(IW); 482 const SkScalar H = W; 483 484 static const int N = 4; 485 SkBitmap bm[2*N]; 486 SkPixelRef* refs[2*N]; 487 SkTDArray<SkPixelRef*> analytic[N]; 488 489 const SkPoint pos[N] = { 490 { 0, 0 }, { W, 0 }, { 0, H }, { W, H } 491 }; 492 493 create_textures(bm, refs, N, IW, IH); 494 495 SkRandom rand; 496 for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { 497 SkAutoTUnref<SkPicture> pic( 498 record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); 499 500 REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); 501 // quick check for a small piece of each quadrant, which should just 502 // contain 1 or 2 bitmaps. 503 for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) { 504 SkRect r; 505 r.set(2, 2, W - 2, H - 2); 506 r.offset(pos[i].fX, pos[i].fY); 507 SkAutoDataUnref data(SkPictureUtils::GatherPixelRefs(pic, r)); 508 if (!data) { 509 ERRORF(reporter, "SkPictureUtils::GatherPixelRefs returned " 510 "NULL for %s.", gProcs[k].desc); 511 continue; 512 } 513 SkPixelRef** gatheredRefs = (SkPixelRef**)data->data(); 514 int count = static_cast<int>(data->size() / sizeof(SkPixelRef*)); 515 REPORTER_ASSERT(reporter, 1 == count || 2 == count); 516 if (1 == count) { 517 REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); 518 } else if (2 == count) { 519 REPORTER_ASSERT(reporter, 520 (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || 521 (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); 522 } 523 } 524 525 SkBitmap image; 526 draw(pic, 2*IW, 2*IH, &image); 527 528 // Test a bunch of random (mostly) rects, and compare the gather results 529 // with a deduced list of refs by looking at the colors drawn. 530 for (int j = 0; j < 100; ++j) { 531 SkRect r; 532 rand_rect(&r, rand, 2*W, 2*H); 533 534 SkTDArray<SkPixelRef*> fromImage; 535 gather_from_image(image, refs, N, &fromImage, r); 536 537 SkTDArray<SkPixelRef*> fromAnalytic; 538 gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); 539 540 SkData* data = SkPictureUtils::GatherPixelRefs(pic, r); 541 size_t dataSize = data ? data->size() : 0; 542 int gatherCount = static_cast<int>(dataSize / sizeof(SkPixelRef*)); 543 SkASSERT(gatherCount * sizeof(SkPixelRef*) == dataSize); 544 SkPixelRef** gatherRefs = data ? (SkPixelRef**)(data->data()) : NULL; 545 SkAutoDataUnref adu(data); 546 547 // Everything that we saw drawn should appear in the analytic list 548 // but the analytic list may contain some pixelRefs that were not 549 // seen in the image (e.g., A8 textures used as masks) 550 for (int i = 0; i < fromImage.count(); ++i) { 551 if (-1 == fromAnalytic.find(fromImage[i])) { 552 ERRORF(reporter, "PixelRef missing %d %s", 553 i, gProcs[k].desc); 554 } 555 } 556 557 /* 558 * GatherPixelRefs is conservative, so it can return more bitmaps 559 * than are strictly required. Thus our check here is only that 560 * Gather didn't miss any that we actually needed. Even that isn't 561 * a strict requirement on Gather, which is meant to be quick and 562 * only mostly-correct, but at the moment this test should work. 563 */ 564 for (int i = 0; i < fromAnalytic.count(); ++i) { 565 bool found = find(gatherRefs, fromAnalytic[i], gatherCount); 566 if (!found) { 567 ERRORF(reporter, "PixelRef missing %d %s", 568 i, gProcs[k].desc); 569 } 570#if 0 571 // enable this block of code to debug failures, as it will rerun 572 // the case that failed. 573 if (!found) { 574 SkData* data = SkPictureUtils::GatherPixelRefs(pic, r); 575 size_t dataSize = data ? data->size() : 0; 576 } 577#endif 578 } 579 } 580 } 581} 582 583/* Hit a few SkPicture::Analysis cases not handled elsewhere. */ 584static void test_analysis(skiatest::Reporter* reporter) { 585 SkPictureRecorder recorder; 586 587 SkCanvas* canvas = recorder.beginRecording(100, 100); 588 { 589 canvas->drawRect(SkRect::MakeWH(10, 10), SkPaint ()); 590 } 591 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 592 REPORTER_ASSERT(reporter, !picture->willPlayBackBitmaps()); 593 594 canvas = recorder.beginRecording(100, 100); 595 { 596 SkPaint paint; 597 // CreateBitmapShader is too smart for us; an empty (or 1x1) bitmap shader 598 // gets optimized into a non-bitmap form, so we create a 2x2 bitmap here. 599 SkBitmap bitmap; 600 bitmap.allocPixels(SkImageInfo::MakeN32Premul(2, 2)); 601 bitmap.eraseColor(SK_ColorBLUE); 602 *(bitmap.getAddr32(0, 0)) = SK_ColorGREEN; 603 SkShader* shader = SkShader::CreateBitmapShader(bitmap, SkShader::kClamp_TileMode, 604 SkShader::kClamp_TileMode); 605 paint.setShader(shader)->unref(); 606 REPORTER_ASSERT(reporter, 607 shader->asABitmap(NULL, NULL, NULL) == SkShader::kDefault_BitmapType); 608 609 canvas->drawRect(SkRect::MakeWH(10, 10), paint); 610 } 611 picture.reset(recorder.endRecording()); 612 REPORTER_ASSERT(reporter, picture->willPlayBackBitmaps()); 613} 614 615 616static void test_gatherpixelrefsandrects(skiatest::Reporter* reporter) { 617 const int IW = 32; 618 const int IH = IW; 619 const SkScalar W = SkIntToScalar(IW); 620 const SkScalar H = W; 621 622 static const int N = 4; 623 SkBitmap bm[2*N]; 624 SkPixelRef* refs[2*N]; 625 SkTDArray<SkPixelRef*> analytic[N]; 626 627 const SkPoint pos[N] = { 628 { 0, 0 }, { W, 0 }, { 0, H }, { W, H } 629 }; 630 631 create_textures(bm, refs, N, IW, IH); 632 633 SkRandom rand; 634 for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { 635 SkAutoTUnref<SkPicture> pic( 636 record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); 637 638 REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); 639 640 SkAutoTUnref<SkPictureUtils::SkPixelRefContainer> prCont( 641 new SkPictureUtils::SkPixelRefsAndRectsList); 642 643 SkPictureUtils::GatherPixelRefsAndRects(pic, prCont); 644 645 // quick check for a small piece of each quadrant, which should just 646 // contain 1 or 2 bitmaps. 647 for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) { 648 SkRect r; 649 r.set(2, 2, W - 2, H - 2); 650 r.offset(pos[i].fX, pos[i].fY); 651 652 SkTDArray<SkPixelRef*> gatheredRefs; 653 prCont->query(r, &gatheredRefs); 654 655 int count = gatheredRefs.count(); 656 REPORTER_ASSERT(reporter, 1 == count || 2 == count); 657 if (1 == count) { 658 REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); 659 } else if (2 == count) { 660 REPORTER_ASSERT(reporter, 661 (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || 662 (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); 663 } 664 } 665 666 SkBitmap image; 667 draw(pic, 2*IW, 2*IH, &image); 668 669 // Test a bunch of random (mostly) rects, and compare the gather results 670 // with the analytic results and the pixel refs seen in a rendering. 671 for (int j = 0; j < 100; ++j) { 672 SkRect r; 673 rand_rect(&r, rand, 2*W, 2*H); 674 675 SkTDArray<SkPixelRef*> fromImage; 676 gather_from_image(image, refs, N, &fromImage, r); 677 678 SkTDArray<SkPixelRef*> fromAnalytic; 679 gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); 680 681 SkTDArray<SkPixelRef*> gatheredRefs; 682 prCont->query(r, &gatheredRefs); 683 684 // Everything that we saw drawn should appear in the analytic list 685 // but the analytic list may contain some pixelRefs that were not 686 // seen in the image (e.g., A8 textures used as masks) 687 for (int i = 0; i < fromImage.count(); ++i) { 688 REPORTER_ASSERT(reporter, -1 != fromAnalytic.find(fromImage[i])); 689 } 690 691 // Everything in the analytic list should appear in the gathered 692 // list. 693 for (int i = 0; i < fromAnalytic.count(); ++i) { 694 REPORTER_ASSERT(reporter, -1 != gatheredRefs.find(fromAnalytic[i])); 695 } 696 } 697 } 698} 699 700#ifdef SK_DEBUG 701// Ensure that deleting an empty SkPicture does not assert. Asserts only fire 702// in debug mode, so only run in debug mode. 703static void test_deleting_empty_picture() { 704 SkPictureRecorder recorder; 705 // Creates an SkPictureRecord 706 recorder.beginRecording(0, 0); 707 // Turns that into an SkPicture 708 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 709 // Ceates a new SkPictureRecord 710 recorder.beginRecording(0, 0); 711} 712 713// Ensure that serializing an empty picture does not assert. Likewise only runs in debug mode. 714static void test_serializing_empty_picture() { 715 SkPictureRecorder recorder; 716 recorder.beginRecording(0, 0); 717 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 718 SkDynamicMemoryWStream stream; 719 picture->serialize(&stream); 720} 721#endif 722 723static void rand_op(SkCanvas* canvas, SkRandom& rand) { 724 SkPaint paint; 725 SkRect rect = SkRect::MakeWH(50, 50); 726 727 SkScalar unit = rand.nextUScalar1(); 728 if (unit <= 0.3) { 729// SkDebugf("save\n"); 730 canvas->save(); 731 } else if (unit <= 0.6) { 732// SkDebugf("restore\n"); 733 canvas->restore(); 734 } else if (unit <= 0.9) { 735// SkDebugf("clip\n"); 736 canvas->clipRect(rect); 737 } else { 738// SkDebugf("draw\n"); 739 canvas->drawPaint(paint); 740 } 741} 742 743#if SK_SUPPORT_GPU 744 745static void test_gpu_veto(skiatest::Reporter* reporter) { 746 SkPictureRecorder recorder; 747 748 SkCanvas* canvas = recorder.beginRecording(100, 100); 749 { 750 SkPath path; 751 path.moveTo(0, 0); 752 path.lineTo(50, 50); 753 754 SkScalar intervals[] = { 1.0f, 1.0f }; 755 SkAutoTUnref<SkDashPathEffect> dash(SkDashPathEffect::Create(intervals, 2, 0)); 756 757 SkPaint paint; 758 paint.setStyle(SkPaint::kStroke_Style); 759 paint.setPathEffect(dash); 760 761 canvas->drawPath(path, paint); 762 } 763 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 764 // path effects currently render an SkPicture undesireable for GPU rendering 765 766 const char *reason = NULL; 767 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL, &reason)); 768 REPORTER_ASSERT(reporter, reason); 769 770 canvas = recorder.beginRecording(100, 100); 771 { 772 SkPath path; 773 774 path.moveTo(0, 0); 775 path.lineTo(0, 50); 776 path.lineTo(25, 25); 777 path.lineTo(50, 50); 778 path.lineTo(50, 0); 779 path.close(); 780 REPORTER_ASSERT(reporter, !path.isConvex()); 781 782 SkPaint paint; 783 paint.setAntiAlias(true); 784 for (int i = 0; i < 50; ++i) { 785 canvas->drawPath(path, paint); 786 } 787 } 788 picture.reset(recorder.endRecording()); 789 // A lot of small AA concave paths should be fine for GPU rendering 790 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 791 792 canvas = recorder.beginRecording(100, 100); 793 { 794 SkPath path; 795 796 path.moveTo(0, 0); 797 path.lineTo(0, 100); 798 path.lineTo(50, 50); 799 path.lineTo(100, 100); 800 path.lineTo(100, 0); 801 path.close(); 802 REPORTER_ASSERT(reporter, !path.isConvex()); 803 804 SkPaint paint; 805 paint.setAntiAlias(true); 806 for (int i = 0; i < 50; ++i) { 807 canvas->drawPath(path, paint); 808 } 809 } 810 picture.reset(recorder.endRecording()); 811 // A lot of large AA concave paths currently render an SkPicture undesireable for GPU rendering 812 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 813 814 canvas = recorder.beginRecording(100, 100); 815 { 816 SkPath path; 817 818 path.moveTo(0, 0); 819 path.lineTo(0, 50); 820 path.lineTo(25, 25); 821 path.lineTo(50, 50); 822 path.lineTo(50, 0); 823 path.close(); 824 REPORTER_ASSERT(reporter, !path.isConvex()); 825 826 SkPaint paint; 827 paint.setAntiAlias(true); 828 paint.setStyle(SkPaint::kStroke_Style); 829 paint.setStrokeWidth(0); 830 for (int i = 0; i < 50; ++i) { 831 canvas->drawPath(path, paint); 832 } 833 } 834 picture.reset(recorder.endRecording()); 835 // hairline stroked AA concave paths are fine for GPU rendering 836 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 837 838 canvas = recorder.beginRecording(100, 100); 839 { 840 SkPaint paint; 841 SkScalar intervals [] = { 10, 20 }; 842 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); 843 paint.setPathEffect(pe)->unref(); 844 845 SkPoint points [2] = { { 0, 0 }, { 100, 0 } }; 846 canvas->drawPoints(SkCanvas::kLines_PointMode, 2, points, paint); 847 } 848 picture.reset(recorder.endRecording()); 849 // fast-path dashed effects are fine for GPU rendering ... 850 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 851 852 canvas = recorder.beginRecording(100, 100); 853 { 854 SkPaint paint; 855 SkScalar intervals [] = { 10, 20 }; 856 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); 857 paint.setPathEffect(pe)->unref(); 858 859 canvas->drawRect(SkRect::MakeWH(10, 10), paint); 860 } 861 picture.reset(recorder.endRecording()); 862 // ... but only when applied to drawPoint() calls 863 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 864 865 // Nest the previous picture inside a new one. 866 canvas = recorder.beginRecording(100, 100); 867 { 868 canvas->drawPicture(picture.get()); 869 } 870 picture.reset(recorder.endRecording()); 871 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 872} 873 874#endif 875 876static void test_savelayer_extraction(skiatest::Reporter* reporter) { 877 static const int kWidth = 100; 878 static const int kHeight = 100; 879 880 // Create complex paint that the bounding box computation code can't 881 // optimize away 882 SkScalar blueToRedMatrix[20] = { 0 }; 883 blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1; 884 SkAutoTUnref<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix)); 885 SkAutoTUnref<SkImageFilter> filter(SkColorFilterImageFilter::Create(blueToRed.get())); 886 887 SkPaint complexPaint; 888 complexPaint.setImageFilter(filter); 889 890 SkAutoTUnref<SkPicture> pict, child; 891 SkRTreeFactory bbhFactory; 892 893 { 894 SkPictureRecorder recorder; 895 896 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight), 897 &bbhFactory, 898 SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag); 899 900 c->saveLayer(NULL, &complexPaint); 901 c->restore(); 902 903 child.reset(recorder.endRecording()); 904 } 905 906 // create a picture with the structure: 907 // 1) 908 // SaveLayer 909 // Restore 910 // 2) 911 // SaveLayer 912 // Translate 913 // SaveLayer w/ bound 914 // Restore 915 // Restore 916 // 3) 917 // SaveLayer w/ copyable paint 918 // Restore 919 // 4) 920 // SaveLayer 921 // DrawPicture (which has a SaveLayer/Restore pair) 922 // Restore 923 // 5) 924 // SaveLayer 925 // DrawPicture with Matrix & Paint (with SaveLayer/Restore pair) 926 // Restore 927 { 928 SkPictureRecorder recorder; 929 930 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), 931 SkIntToScalar(kHeight), 932 &bbhFactory, 933 SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag); 934 // 1) 935 c->saveLayer(NULL, &complexPaint); // layer #0 936 c->restore(); 937 938 // 2) 939 c->saveLayer(NULL, NULL); // layer #1 940 c->translate(kWidth/2.0f, kHeight/2.0f); 941 SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2); 942 c->saveLayer(&r, &complexPaint); // layer #2 943 c->restore(); 944 c->restore(); 945 946 // 3) 947 { 948 c->saveLayer(NULL, &complexPaint); // layer #3 949 c->restore(); 950 } 951 952 SkPaint layerPaint; 953 layerPaint.setColor(SK_ColorRED); // Non-alpha only to avoid SaveLayerDrawRestoreNooper 954 // 4) 955 { 956 c->saveLayer(NULL, &layerPaint); // layer #4 957 c->drawPicture(child); // layer #5 inside picture 958 c->restore(); 959 } 960 // 5 961 { 962 SkPaint picturePaint; 963 SkMatrix trans; 964 trans.setTranslate(10, 10); 965 966 c->saveLayer(NULL, &layerPaint); // layer #6 967 c->drawPicture(child, &trans, &picturePaint); // layer #7 inside picture 968 c->restore(); 969 } 970 971 pict.reset(recorder.endRecording()); 972 } 973 974 // Now test out the SaveLayer extraction 975 { 976 SkPicture::AccelData::Key key = SkLayerInfo::ComputeKey(); 977 978 const SkPicture::AccelData* data = pict->EXPERIMENTAL_getAccelData(key); 979 REPORTER_ASSERT(reporter, data); 980 981 const SkLayerInfo *gpuData = static_cast<const SkLayerInfo*>(data); 982 REPORTER_ASSERT(reporter, 8 == gpuData->numBlocks()); 983 984 const SkLayerInfo::BlockInfo& info0 = gpuData->block(0); 985 // The parent/child layers appear in reverse order 986 const SkLayerInfo::BlockInfo& info1 = gpuData->block(2); 987 const SkLayerInfo::BlockInfo& info2 = gpuData->block(1); 988 989 const SkLayerInfo::BlockInfo& info3 = gpuData->block(3); 990 991 // The parent/child layers appear in reverse order 992 const SkLayerInfo::BlockInfo& info4 = gpuData->block(5); 993 const SkLayerInfo::BlockInfo& info5 = gpuData->block(4); 994 995 // The parent/child layers appear in reverse order 996 const SkLayerInfo::BlockInfo& info6 = gpuData->block(7); 997 const SkLayerInfo::BlockInfo& info7 = gpuData->block(6); 998 999 REPORTER_ASSERT(reporter, NULL == info0.fPicture); 1000 REPORTER_ASSERT(reporter, kWidth == info0.fBounds.width() && 1001 kHeight == info0.fBounds.height()); 1002 REPORTER_ASSERT(reporter, info0.fLocalMat.isIdentity()); 1003 REPORTER_ASSERT(reporter, info0.fPreMat.isIdentity()); 1004 REPORTER_ASSERT(reporter, 0 == info0.fBounds.fLeft && 0 == info0.fBounds.fTop); 1005 REPORTER_ASSERT(reporter, NULL != info0.fPaint); 1006 REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers); 1007 1008 REPORTER_ASSERT(reporter, NULL == info1.fPicture); 1009 REPORTER_ASSERT(reporter, kWidth/2.0 == info1.fBounds.width() && 1010 kHeight/2.0 == info1.fBounds.height()); 1011 REPORTER_ASSERT(reporter, info1.fLocalMat.isIdentity()); 1012 REPORTER_ASSERT(reporter, info1.fPreMat.isIdentity()); 1013 REPORTER_ASSERT(reporter, kWidth/2.0 == info1.fBounds.fLeft && 1014 kHeight/2.0 == info1.fBounds.fTop); 1015 REPORTER_ASSERT(reporter, NULL == info1.fPaint); 1016 REPORTER_ASSERT(reporter, !info1.fIsNested && 1017 info1.fHasNestedLayers); // has a nested SL 1018 1019 REPORTER_ASSERT(reporter, NULL == info2.fPicture); 1020 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.width() && 1021 kHeight / 2 == info2.fBounds.height()); // bound reduces size 1022 REPORTER_ASSERT(reporter, !info2.fLocalMat.isIdentity()); 1023 REPORTER_ASSERT(reporter, info2.fPreMat.isIdentity()); 1024 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.fLeft && // translated 1025 kHeight / 2 == info2.fBounds.fTop); 1026 REPORTER_ASSERT(reporter, NULL != info2.fPaint); 1027 REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested 1028 1029 REPORTER_ASSERT(reporter, NULL == info3.fPicture); 1030 REPORTER_ASSERT(reporter, kWidth == info3.fBounds.width() && 1031 kHeight == info3.fBounds.height()); 1032 REPORTER_ASSERT(reporter, info3.fLocalMat.isIdentity()); 1033 REPORTER_ASSERT(reporter, info3.fPreMat.isIdentity()); 1034 REPORTER_ASSERT(reporter, 0 == info3.fBounds.fLeft && 0 == info3.fBounds.fTop); 1035 REPORTER_ASSERT(reporter, info3.fPaint); 1036 REPORTER_ASSERT(reporter, !info3.fIsNested && !info3.fHasNestedLayers); 1037 1038 REPORTER_ASSERT(reporter, NULL == info4.fPicture); 1039 REPORTER_ASSERT(reporter, kWidth == info4.fBounds.width() && 1040 kHeight == info4.fBounds.height()); 1041 REPORTER_ASSERT(reporter, 0 == info4.fBounds.fLeft && 0 == info4.fBounds.fTop); 1042 REPORTER_ASSERT(reporter, info4.fLocalMat.isIdentity()); 1043 REPORTER_ASSERT(reporter, info4.fPreMat.isIdentity()); 1044 REPORTER_ASSERT(reporter, info4.fPaint); 1045 REPORTER_ASSERT(reporter, !info4.fIsNested && 1046 info4.fHasNestedLayers); // has a nested SL 1047 1048 REPORTER_ASSERT(reporter, child == info5.fPicture); // in a child picture 1049 REPORTER_ASSERT(reporter, kWidth == info5.fBounds.width() && 1050 kHeight == info5.fBounds.height()); 1051 REPORTER_ASSERT(reporter, 0 == info5.fBounds.fLeft && 0 == info5.fBounds.fTop); 1052 REPORTER_ASSERT(reporter, info5.fLocalMat.isIdentity()); 1053 REPORTER_ASSERT(reporter, info5.fPreMat.isIdentity()); 1054 REPORTER_ASSERT(reporter, NULL != info5.fPaint); 1055 REPORTER_ASSERT(reporter, info5.fIsNested && !info5.fHasNestedLayers); // is nested 1056 1057 REPORTER_ASSERT(reporter, NULL == info6.fPicture); 1058 REPORTER_ASSERT(reporter, kWidth-10 == info6.fBounds.width() && 1059 kHeight-10 == info6.fBounds.height()); 1060 REPORTER_ASSERT(reporter, 10 == info6.fBounds.fLeft && 10 == info6.fBounds.fTop); 1061 REPORTER_ASSERT(reporter, info6.fLocalMat.isIdentity()); 1062 REPORTER_ASSERT(reporter, info6.fPreMat.isIdentity()); 1063 REPORTER_ASSERT(reporter, info6.fPaint); 1064 REPORTER_ASSERT(reporter, !info6.fIsNested && 1065 info6.fHasNestedLayers); // has a nested SL 1066 1067 REPORTER_ASSERT(reporter, child == info7.fPicture); // in a child picture 1068 REPORTER_ASSERT(reporter, kWidth == info7.fBounds.width() && 1069 kHeight == info7.fBounds.height()); 1070 REPORTER_ASSERT(reporter, 0 == info7.fBounds.fLeft && 0 == info7.fBounds.fTop); 1071 REPORTER_ASSERT(reporter, info7.fLocalMat.isIdentity()); 1072 REPORTER_ASSERT(reporter, info7.fPreMat.isIdentity()); 1073 REPORTER_ASSERT(reporter, NULL != info7.fPaint); 1074 REPORTER_ASSERT(reporter, info7.fIsNested && !info7.fHasNestedLayers); // is nested 1075 } 1076} 1077 1078static void test_has_text(skiatest::Reporter* reporter) { 1079 SkPictureRecorder recorder; 1080 1081 SkCanvas* canvas = recorder.beginRecording(100,100); 1082 { 1083 canvas->drawRect(SkRect::MakeWH(20, 20), SkPaint()); 1084 } 1085 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1086 REPORTER_ASSERT(reporter, !picture->hasText()); 1087 1088 SkPoint point = SkPoint::Make(10, 10); 1089 canvas = recorder.beginRecording(100,100); 1090 { 1091 canvas->drawText("Q", 1, point.fX, point.fY, SkPaint()); 1092 } 1093 picture.reset(recorder.endRecording()); 1094 REPORTER_ASSERT(reporter, picture->hasText()); 1095 1096 canvas = recorder.beginRecording(100,100); 1097 { 1098 canvas->drawPosText("Q", 1, &point, SkPaint()); 1099 } 1100 picture.reset(recorder.endRecording()); 1101 REPORTER_ASSERT(reporter, picture->hasText()); 1102 1103 canvas = recorder.beginRecording(100,100); 1104 { 1105 canvas->drawPosTextH("Q", 1, &point.fX, point.fY, SkPaint()); 1106 } 1107 picture.reset(recorder.endRecording()); 1108 REPORTER_ASSERT(reporter, picture->hasText()); 1109 1110 canvas = recorder.beginRecording(100,100); 1111 { 1112 SkPath path; 1113 path.moveTo(0, 0); 1114 path.lineTo(50, 50); 1115 1116 canvas->drawTextOnPathHV("Q", 1, path, point.fX, point.fY, SkPaint()); 1117 } 1118 picture.reset(recorder.endRecording()); 1119 REPORTER_ASSERT(reporter, picture->hasText()); 1120 1121 canvas = recorder.beginRecording(100,100); 1122 { 1123 SkPath path; 1124 path.moveTo(0, 0); 1125 path.lineTo(50, 50); 1126 1127 canvas->drawTextOnPath("Q", 1, path, NULL, SkPaint()); 1128 } 1129 picture.reset(recorder.endRecording()); 1130 REPORTER_ASSERT(reporter, picture->hasText()); 1131 1132 // Nest the previous picture inside a new one. 1133 canvas = recorder.beginRecording(100,100); 1134 { 1135 canvas->drawPicture(picture.get()); 1136 } 1137 picture.reset(recorder.endRecording()); 1138 REPORTER_ASSERT(reporter, picture->hasText()); 1139} 1140 1141static void set_canvas_to_save_count_4(SkCanvas* canvas) { 1142 canvas->restoreToCount(1); 1143 canvas->save(); 1144 canvas->save(); 1145 canvas->save(); 1146} 1147 1148/** 1149 * A canvas that records the number of saves, saveLayers and restores. 1150 */ 1151class SaveCountingCanvas : public SkCanvas { 1152public: 1153 SaveCountingCanvas(int width, int height) 1154 : INHERITED(width, height) 1155 , fSaveCount(0) 1156 , fSaveLayerCount(0) 1157 , fRestoreCount(0){ 1158 } 1159 1160 virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, 1161 SaveFlags flags) SK_OVERRIDE { 1162 ++fSaveLayerCount; 1163 return this->INHERITED::willSaveLayer(bounds, paint, flags); 1164 } 1165 1166 virtual void willSave() SK_OVERRIDE { 1167 ++fSaveCount; 1168 this->INHERITED::willSave(); 1169 } 1170 1171 virtual void willRestore() SK_OVERRIDE { 1172 ++fRestoreCount; 1173 this->INHERITED::willRestore(); 1174 } 1175 1176 unsigned int getSaveCount() const { return fSaveCount; } 1177 unsigned int getSaveLayerCount() const { return fSaveLayerCount; } 1178 unsigned int getRestoreCount() const { return fRestoreCount; } 1179 1180private: 1181 unsigned int fSaveCount; 1182 unsigned int fSaveLayerCount; 1183 unsigned int fRestoreCount; 1184 1185 typedef SkCanvas INHERITED; 1186}; 1187 1188void check_save_state(skiatest::Reporter* reporter, SkPicture* picture, 1189 unsigned int numSaves, unsigned int numSaveLayers, 1190 unsigned int numRestores) { 1191 SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()), 1192 SkScalarCeilToInt(picture->cullRect().height())); 1193 1194 picture->playback(&canvas); 1195 1196 // Optimizations may have removed these, 1197 // so expect to have seen no more than num{Saves,SaveLayers,Restores}. 1198 REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount()); 1199 REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount()); 1200 REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount()); 1201} 1202 1203// This class exists so SkPicture can friend it and give it access to 1204// the 'partialReplay' method. 1205class SkPictureRecorderReplayTester { 1206public: 1207 static SkPicture* Copy(SkPictureRecorder* recorder) { 1208 SkPictureRecorder recorder2; 1209 1210 SkCanvas* canvas = recorder2.beginRecording(10, 10); 1211 1212 recorder->partialReplay(canvas); 1213 1214 return recorder2.endRecording(); 1215 } 1216}; 1217 1218static void create_imbalance(SkCanvas* canvas) { 1219 SkRect clipRect = SkRect::MakeWH(2, 2); 1220 SkRect drawRect = SkRect::MakeWH(10, 10); 1221 canvas->save(); 1222 canvas->clipRect(clipRect, SkRegion::kReplace_Op); 1223 canvas->translate(1.0f, 1.0f); 1224 SkPaint p; 1225 p.setColor(SK_ColorGREEN); 1226 canvas->drawRect(drawRect, p); 1227 // no restore 1228} 1229 1230// This tests that replaying a potentially unbalanced picture into a canvas 1231// doesn't affect the canvas' save count or matrix/clip state. 1232static void check_balance(skiatest::Reporter* reporter, SkPicture* picture) { 1233 SkBitmap bm; 1234 bm.allocN32Pixels(4, 3); 1235 SkCanvas canvas(bm); 1236 1237 int beforeSaveCount = canvas.getSaveCount(); 1238 1239 SkMatrix beforeMatrix = canvas.getTotalMatrix(); 1240 1241 SkRect beforeClip; 1242 1243 canvas.getClipBounds(&beforeClip); 1244 1245 canvas.drawPicture(picture); 1246 1247 REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount()); 1248 REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix()); 1249 1250 SkRect afterClip; 1251 1252 canvas.getClipBounds(&afterClip); 1253 1254 REPORTER_ASSERT(reporter, afterClip == beforeClip); 1255} 1256 1257// Test out SkPictureRecorder::partialReplay 1258DEF_TEST(PictureRecorder_replay, reporter) { 1259 // check save/saveLayer state 1260 { 1261 SkPictureRecorder recorder; 1262 1263 SkCanvas* canvas = recorder.beginRecording(10, 10); 1264 1265 canvas->saveLayer(NULL, NULL); 1266 1267 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1268 1269 // The extra save and restore comes from the Copy process. 1270 check_save_state(reporter, copy, 2, 1, 3); 1271 1272 canvas->saveLayer(NULL, NULL); 1273 1274 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1275 1276 check_save_state(reporter, final, 1, 2, 3); 1277 1278 // The copy shouldn't pick up any operations added after it was made 1279 check_save_state(reporter, copy, 2, 1, 3); 1280 } 1281 1282 // (partially) check leakage of draw ops 1283 { 1284 SkPictureRecorder recorder; 1285 1286 SkCanvas* canvas = recorder.beginRecording(10, 10); 1287 1288 SkRect r = SkRect::MakeWH(5, 5); 1289 SkPaint p; 1290 1291 canvas->drawRect(r, p); 1292 1293 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1294 1295 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1296 1297 SkBitmap bm; 1298 make_bm(&bm, 10, 10, SK_ColorRED, true); 1299 1300 r.offset(5.0f, 5.0f); 1301 canvas->drawBitmapRectToRect(bm, NULL, r); 1302 1303 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1304 REPORTER_ASSERT(reporter, final->willPlayBackBitmaps()); 1305 1306 REPORTER_ASSERT(reporter, copy->uniqueID() != final->uniqueID()); 1307 1308 // The snapshot shouldn't pick up any operations added after it was made 1309 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1310 } 1311 1312 // Recreate the Android partialReplay test case 1313 { 1314 SkPictureRecorder recorder; 1315 1316 SkCanvas* canvas = recorder.beginRecording(4, 3, NULL, 0); 1317 create_imbalance(canvas); 1318 1319 int expectedSaveCount = canvas->getSaveCount(); 1320 1321 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1322 check_balance(reporter, copy); 1323 1324 REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount()); 1325 1326 // End the recording of source to test the picture finalization 1327 // process isn't complicated by the partialReplay step 1328 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1329 } 1330} 1331 1332static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { 1333 SkCanvas testCanvas(100, 100); 1334 set_canvas_to_save_count_4(&testCanvas); 1335 1336 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1337 1338 SkPaint paint; 1339 SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000); 1340 1341 SkPictureRecorder recorder; 1342 1343 { 1344 // Create picture with 2 unbalanced saves 1345 SkCanvas* canvas = recorder.beginRecording(100, 100); 1346 canvas->save(); 1347 canvas->translate(10, 10); 1348 canvas->drawRect(rect, paint); 1349 canvas->save(); 1350 canvas->translate(10, 10); 1351 canvas->drawRect(rect, paint); 1352 SkAutoTUnref<SkPicture> extraSavePicture(recorder.endRecording()); 1353 1354 testCanvas.drawPicture(extraSavePicture); 1355 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1356 } 1357 1358 set_canvas_to_save_count_4(&testCanvas); 1359 1360 { 1361 // Create picture with 2 unbalanced restores 1362 SkCanvas* canvas = recorder.beginRecording(100, 100); 1363 canvas->save(); 1364 canvas->translate(10, 10); 1365 canvas->drawRect(rect, paint); 1366 canvas->save(); 1367 canvas->translate(10, 10); 1368 canvas->drawRect(rect, paint); 1369 canvas->restore(); 1370 canvas->restore(); 1371 canvas->restore(); 1372 canvas->restore(); 1373 SkAutoTUnref<SkPicture> extraRestorePicture(recorder.endRecording()); 1374 1375 testCanvas.drawPicture(extraRestorePicture); 1376 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1377 } 1378 1379 set_canvas_to_save_count_4(&testCanvas); 1380 1381 { 1382 SkCanvas* canvas = recorder.beginRecording(100, 100); 1383 canvas->translate(10, 10); 1384 canvas->drawRect(rect, paint); 1385 SkAutoTUnref<SkPicture> noSavePicture(recorder.endRecording()); 1386 1387 testCanvas.drawPicture(noSavePicture); 1388 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1389 REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); 1390 } 1391} 1392 1393static void test_peephole() { 1394 SkRandom rand; 1395 1396 SkPictureRecorder recorder; 1397 1398 for (int j = 0; j < 100; j++) { 1399 SkRandom rand2(rand); // remember the seed 1400 1401 SkCanvas* canvas = recorder.beginRecording(100, 100); 1402 1403 for (int i = 0; i < 1000; ++i) { 1404 rand_op(canvas, rand); 1405 } 1406 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1407 1408 rand = rand2; 1409 } 1410 1411 { 1412 SkCanvas* canvas = recorder.beginRecording(100, 100); 1413 SkRect rect = SkRect::MakeWH(50, 50); 1414 1415 for (int i = 0; i < 100; ++i) { 1416 canvas->save(); 1417 } 1418 while (canvas->getSaveCount() > 1) { 1419 canvas->clipRect(rect); 1420 canvas->restore(); 1421 } 1422 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1423 } 1424} 1425 1426#ifndef SK_DEBUG 1427// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller 1428// should never do this. 1429static void test_bad_bitmap() { 1430 // This bitmap has a width and height but no pixels. As a result, attempting to record it will 1431 // fail. 1432 SkBitmap bm; 1433 bm.setInfo(SkImageInfo::MakeN32Premul(100, 100)); 1434 SkPictureRecorder recorder; 1435 SkCanvas* recordingCanvas = recorder.beginRecording(100, 100); 1436 recordingCanvas->drawBitmap(bm, 0, 0); 1437 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1438 1439 SkCanvas canvas; 1440 canvas.drawPicture(picture); 1441} 1442#endif 1443 1444static SkData* encode_bitmap_to_data(size_t*, const SkBitmap& bm) { 1445 return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); 1446} 1447 1448static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { 1449 SkPictureRecorder recorder; 1450 SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(bitmap.width()), 1451 SkIntToScalar(bitmap.height())); 1452 canvas->drawBitmap(bitmap, 0, 0); 1453 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1454 1455 SkDynamicMemoryWStream wStream; 1456 picture->serialize(&wStream, &encode_bitmap_to_data); 1457 return wStream.copyToData(); 1458} 1459 1460struct ErrorContext { 1461 int fErrors; 1462 skiatest::Reporter* fReporter; 1463}; 1464 1465static void assert_one_parse_error_cb(SkError error, void* context) { 1466 ErrorContext* errorContext = static_cast<ErrorContext*>(context); 1467 errorContext->fErrors++; 1468 // This test only expects one error, and that is a kParseError. If there are others, 1469 // there is some unknown problem. 1470 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, 1471 "This threw more errors than expected."); 1472 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, 1473 SkGetLastErrorString()); 1474} 1475 1476static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { 1477 // Create a bitmap that will be encoded. 1478 SkBitmap original; 1479 make_bm(&original, 100, 100, SK_ColorBLUE, true); 1480 SkDynamicMemoryWStream wStream; 1481 if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { 1482 return; 1483 } 1484 SkAutoDataUnref data(wStream.copyToData()); 1485 1486 SkBitmap bm; 1487 bool installSuccess = SkInstallDiscardablePixelRef( 1488 SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()), &bm); 1489 REPORTER_ASSERT(reporter, installSuccess); 1490 1491 // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. 1492 // Flattening original will follow the old path of performing an encode, while flattening bm 1493 // will use the already encoded data. 1494 SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); 1495 SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); 1496 REPORTER_ASSERT(reporter, picture1->equals(picture2)); 1497 // Now test that a parse error was generated when trying to create a new SkPicture without 1498 // providing a function to decode the bitmap. 1499 ErrorContext context; 1500 context.fErrors = 0; 1501 context.fReporter = reporter; 1502 SkSetErrorCallback(assert_one_parse_error_cb, &context); 1503 SkMemoryStream pictureStream(picture1); 1504 SkClearLastError(); 1505 SkAutoUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); 1506 REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); 1507 SkClearLastError(); 1508 SkSetErrorCallback(NULL, NULL); 1509} 1510 1511static void test_clip_bound_opt(skiatest::Reporter* reporter) { 1512 // Test for crbug.com/229011 1513 SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4), 1514 SkIntToScalar(2), SkIntToScalar(2)); 1515 SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7), 1516 SkIntToScalar(1), SkIntToScalar(1)); 1517 SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6), 1518 SkIntToScalar(1), SkIntToScalar(1)); 1519 1520 SkPath invPath; 1521 invPath.addOval(rect1); 1522 invPath.setFillType(SkPath::kInverseEvenOdd_FillType); 1523 SkPath path; 1524 path.addOval(rect2); 1525 SkPath path2; 1526 path2.addOval(rect3); 1527 SkIRect clipBounds; 1528 SkPictureRecorder recorder; 1529 1530 // Testing conservative-raster-clip that is enabled by PictureRecord 1531 { 1532 SkCanvas* canvas = recorder.beginRecording(10, 10); 1533 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1534 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1535 REPORTER_ASSERT(reporter, true == nonEmpty); 1536 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1537 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1538 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1539 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1540 } 1541 { 1542 SkCanvas* canvas = recorder.beginRecording(10, 10); 1543 canvas->clipPath(path, SkRegion::kIntersect_Op); 1544 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1545 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1546 REPORTER_ASSERT(reporter, true == nonEmpty); 1547 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1548 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1549 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1550 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1551 } 1552 { 1553 SkCanvas* canvas = recorder.beginRecording(10, 10); 1554 canvas->clipPath(path, SkRegion::kIntersect_Op); 1555 canvas->clipPath(invPath, SkRegion::kUnion_Op); 1556 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1557 REPORTER_ASSERT(reporter, true == nonEmpty); 1558 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1559 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1560 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1561 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1562 } 1563 { 1564 SkCanvas* canvas = recorder.beginRecording(10, 10); 1565 canvas->clipPath(path, SkRegion::kDifference_Op); 1566 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1567 REPORTER_ASSERT(reporter, true == nonEmpty); 1568 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1569 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1570 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1571 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1572 } 1573 { 1574 SkCanvas* canvas = recorder.beginRecording(10, 10); 1575 canvas->clipPath(path, SkRegion::kReverseDifference_Op); 1576 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1577 // True clip is actually empty in this case, but the best 1578 // determination we can make using only bounds as input is that the 1579 // clip is included in the bounds of 'path'. 1580 REPORTER_ASSERT(reporter, true == nonEmpty); 1581 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1582 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1583 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1584 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1585 } 1586 { 1587 SkCanvas* canvas = recorder.beginRecording(10, 10); 1588 canvas->clipPath(path, SkRegion::kIntersect_Op); 1589 canvas->clipPath(path2, SkRegion::kXOR_Op); 1590 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1591 REPORTER_ASSERT(reporter, true == nonEmpty); 1592 REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); 1593 REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); 1594 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1595 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1596 } 1597} 1598 1599/** 1600 * A canvas that records the number of clip commands. 1601 */ 1602class ClipCountingCanvas : public SkCanvas { 1603public: 1604 ClipCountingCanvas(int width, int height) 1605 : INHERITED(width, height) 1606 , fClipCount(0){ 1607 } 1608 1609 virtual void onClipRect(const SkRect& r, 1610 SkRegion::Op op, 1611 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1612 fClipCount += 1; 1613 this->INHERITED::onClipRect(r, op, edgeStyle); 1614 } 1615 1616 virtual void onClipRRect(const SkRRect& rrect, 1617 SkRegion::Op op, 1618 ClipEdgeStyle edgeStyle)SK_OVERRIDE { 1619 fClipCount += 1; 1620 this->INHERITED::onClipRRect(rrect, op, edgeStyle); 1621 } 1622 1623 virtual void onClipPath(const SkPath& path, 1624 SkRegion::Op op, 1625 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1626 fClipCount += 1; 1627 this->INHERITED::onClipPath(path, op, edgeStyle); 1628 } 1629 1630 virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE { 1631 fClipCount += 1; 1632 this->INHERITED::onClipRegion(deviceRgn, op); 1633 } 1634 1635 unsigned getClipCount() const { return fClipCount; } 1636 1637private: 1638 unsigned fClipCount; 1639 1640 typedef SkCanvas INHERITED; 1641}; 1642 1643static void test_clip_expansion(skiatest::Reporter* reporter) { 1644 SkPictureRecorder recorder; 1645 SkCanvas* canvas = recorder.beginRecording(10, 10); 1646 1647 canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op); 1648 // The following expanding clip should not be skipped. 1649 canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); 1650 // Draw something so the optimizer doesn't just fold the world. 1651 SkPaint p; 1652 p.setColor(SK_ColorBLUE); 1653 canvas->drawPaint(p); 1654 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1655 1656 ClipCountingCanvas testCanvas(10, 10); 1657 picture->playback(&testCanvas); 1658 1659 // Both clips should be present on playback. 1660 REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); 1661} 1662 1663static void test_hierarchical(skiatest::Reporter* reporter) { 1664 SkBitmap bm; 1665 make_bm(&bm, 10, 10, SK_ColorRED, true); 1666 1667 SkPictureRecorder recorder; 1668 1669 recorder.beginRecording(10, 10); 1670 SkAutoTUnref<SkPicture> childPlain(recorder.endRecording()); 1671 REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 1672 1673 recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); 1674 SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); 1675 REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 1676 1677 { 1678 SkCanvas* canvas = recorder.beginRecording(10, 10); 1679 canvas->drawPicture(childPlain); 1680 SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); 1681 REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 1682 } 1683 { 1684 SkCanvas* canvas = recorder.beginRecording(10, 10); 1685 canvas->drawPicture(childWithBitmap); 1686 SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); 1687 REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 1688 } 1689 { 1690 SkCanvas* canvas = recorder.beginRecording(10, 10); 1691 canvas->drawBitmap(bm, 0, 0); 1692 canvas->drawPicture(childPlain); 1693 SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); 1694 REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 1695 } 1696 { 1697 SkCanvas* canvas = recorder.beginRecording(10, 10); 1698 canvas->drawBitmap(bm, 0, 0); 1699 canvas->drawPicture(childWithBitmap); 1700 SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); 1701 REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 1702 } 1703} 1704 1705static void test_gen_id(skiatest::Reporter* reporter) { 1706 1707 SkPictureRecorder recorder; 1708 recorder.beginRecording(0, 0); 1709 SkAutoTUnref<SkPicture> empty(recorder.endRecording()); 1710 1711 // Empty pictures should still have a valid ID 1712 REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID); 1713 1714 SkCanvas* canvas = recorder.beginRecording(1, 1); 1715 canvas->drawARGB(255, 255, 255, 255); 1716 SkAutoTUnref<SkPicture> hasData(recorder.endRecording()); 1717 // picture should have a non-zero id after recording 1718 REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID); 1719 1720 // both pictures should have different ids 1721 REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID()); 1722} 1723 1724DEF_TEST(Picture, reporter) { 1725#ifdef SK_DEBUG 1726 test_deleting_empty_picture(); 1727 test_serializing_empty_picture(); 1728#else 1729 test_bad_bitmap(); 1730#endif 1731 test_unbalanced_save_restores(reporter); 1732 test_peephole(); 1733#if SK_SUPPORT_GPU 1734 test_gpu_veto(reporter); 1735#endif 1736 test_has_text(reporter); 1737 test_analysis(reporter); 1738 test_gatherpixelrefs(reporter); 1739 test_gatherpixelrefsandrects(reporter); 1740 test_bitmap_with_encoded_data(reporter); 1741 test_clip_bound_opt(reporter); 1742 test_clip_expansion(reporter); 1743 test_hierarchical(reporter); 1744 test_gen_id(reporter); 1745 test_savelayer_extraction(reporter); 1746} 1747 1748static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) { 1749 const SkPaint paint; 1750 const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f }; 1751 const SkIRect irect = { 2, 2, 3, 3 }; 1752 1753 // Don't care what these record, as long as they're legal. 1754 canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); 1755 canvas->drawBitmapRectToRect(bitmap, &rect, rect, &paint, SkCanvas::kNone_DrawBitmapRectFlag); 1756 canvas->drawBitmapMatrix(bitmap, SkMatrix::I(), &paint); 1757 canvas->drawBitmapNine(bitmap, irect, rect, &paint); 1758 canvas->drawSprite(bitmap, 1, 1); 1759} 1760 1761static void test_draw_bitmaps(SkCanvas* canvas) { 1762 SkBitmap empty; 1763 draw_bitmaps(empty, canvas); 1764 empty.setInfo(SkImageInfo::MakeN32Premul(10, 10)); 1765 draw_bitmaps(empty, canvas); 1766} 1767 1768DEF_TEST(Picture_EmptyBitmap, r) { 1769 SkPictureRecorder recorder; 1770 test_draw_bitmaps(recorder.beginRecording(10, 10)); 1771 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1772} 1773 1774DEF_TEST(Canvas_EmptyBitmap, r) { 1775 SkBitmap dst; 1776 dst.allocN32Pixels(10, 10); 1777 SkCanvas canvas(dst); 1778 1779 test_draw_bitmaps(&canvas); 1780} 1781 1782DEF_TEST(DontOptimizeSaveLayerDrawDrawRestore, reporter) { 1783 // This test is from crbug.com/344987. 1784 // The commands are: 1785 // saveLayer with paint that modifies alpha 1786 // drawBitmapRectToRect 1787 // drawBitmapRectToRect 1788 // restore 1789 // The bug was that this structure was modified so that: 1790 // - The saveLayer and restore were eliminated 1791 // - The alpha was only applied to the first drawBitmapRectToRect 1792 1793 // This test draws blue and red squares inside a 50% transparent 1794 // layer. Both colours should show up muted. 1795 // When the bug is present, the red square (the second bitmap) 1796 // shows upwith full opacity. 1797 1798 SkBitmap blueBM; 1799 make_bm(&blueBM, 100, 100, SkColorSetARGB(255, 0, 0, 255), true); 1800 SkBitmap redBM; 1801 make_bm(&redBM, 100, 100, SkColorSetARGB(255, 255, 0, 0), true); 1802 SkPaint semiTransparent; 1803 semiTransparent.setAlpha(0x80); 1804 1805 SkPictureRecorder recorder; 1806 SkCanvas* canvas = recorder.beginRecording(100, 100); 1807 canvas->drawARGB(0, 0, 0, 0); 1808 1809 canvas->saveLayer(0, &semiTransparent); 1810 canvas->drawBitmap(blueBM, 25, 25); 1811 canvas->drawBitmap(redBM, 50, 50); 1812 canvas->restore(); 1813 1814 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1815 1816 // Now replay the picture back on another canvas 1817 // and check a couple of its pixels. 1818 SkBitmap replayBM; 1819 make_bm(&replayBM, 100, 100, SK_ColorBLACK, false); 1820 SkCanvas replayCanvas(replayBM); 1821 picture->playback(&replayCanvas); 1822 replayCanvas.flush(); 1823 1824 // With the bug present, at (55, 55) we would get a fully opaque red 1825 // intead of a dark red. 1826 REPORTER_ASSERT(reporter, replayBM.getColor(30, 30) == 0xff000080); 1827 REPORTER_ASSERT(reporter, replayBM.getColor(55, 55) == 0xff800000); 1828} 1829 1830struct CountingBBH : public SkBBoxHierarchy { 1831 mutable int searchCalls; 1832 1833 CountingBBH() : searchCalls(0) {} 1834 1835 virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const SK_OVERRIDE { 1836 this->searchCalls++; 1837 } 1838 1839 virtual void insert(SkAutoTMalloc<SkRect>*, int) SK_OVERRIDE {} 1840}; 1841 1842class SpoonFedBBHFactory : public SkBBHFactory { 1843public: 1844 explicit SpoonFedBBHFactory(SkBBoxHierarchy* bbh) : fBBH(bbh) {} 1845 SkBBoxHierarchy* operator()(const SkRect&) const SK_OVERRIDE { 1846 return SkRef(fBBH); 1847 } 1848private: 1849 SkBBoxHierarchy* fBBH; 1850}; 1851 1852// When the canvas clip covers the full picture, we don't need to call the BBH. 1853DEF_TEST(Picture_SkipBBH, r) { 1854 CountingBBH bbh; 1855 SpoonFedBBHFactory factory(&bbh); 1856 1857 SkPictureRecorder recorder; 1858 recorder.beginRecording(320, 240, &factory); 1859 SkAutoTUnref<const SkPicture> picture(recorder.endRecording()); 1860 1861 SkCanvas big(640, 480), small(300, 200); 1862 1863 picture->playback(&big); 1864 REPORTER_ASSERT(r, bbh.searchCalls == 0); 1865 1866 picture->playback(&small); 1867 REPORTER_ASSERT(r, bbh.searchCalls == 1); 1868} 1869 1870DEF_TEST(Picture_BitmapLeak, r) { 1871 SkBitmap mut, immut; 1872 mut.allocN32Pixels(300, 200); 1873 immut.allocN32Pixels(300, 200); 1874 immut.setImmutable(); 1875 SkASSERT(!mut.isImmutable()); 1876 SkASSERT(immut.isImmutable()); 1877 1878 // No one can hold a ref on our pixels yet. 1879 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1880 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1881 1882 SkPictureRecorder rec; 1883 SkCanvas* canvas = rec.beginRecording(1920, 1200); 1884 canvas->drawBitmap(mut, 0, 0); 1885 canvas->drawBitmap(immut, 800, 600); 1886 SkAutoTDelete<const SkPicture> pic(rec.endRecording()); 1887 1888 // The picture shares the immutable pixels but copies the mutable ones. 1889 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1890 REPORTER_ASSERT(r, !immut.pixelRef()->unique()); 1891 1892 // When the picture goes away, it's just our bitmaps holding the refs. 1893 pic.reset(NULL); 1894 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1895 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1896} 1897