PictureTest.cpp revision d8aa7b74c8ef0cb8ed3f6b03beb7ee5013624372
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 "SkPaint.h" 20#include "SkPicture.h" 21#include "SkPictureRecorder.h" 22#include "SkPictureUtils.h" 23#include "SkPixelRef.h" 24#include "SkRRect.h" 25#include "SkRandom.h" 26#include "SkShader.h" 27#include "SkStream.h" 28 29#if SK_SUPPORT_GPU 30#include "SkSurface.h" 31#include "GrContextFactory.h" 32#include "GrPictureUtils.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 AA concave paths currently render an SkPicture undesireable 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, 50); 798 path.lineTo(25, 25); 799 path.lineTo(50, 50); 800 path.lineTo(50, 0); 801 path.close(); 802 REPORTER_ASSERT(reporter, !path.isConvex()); 803 804 SkPaint paint; 805 paint.setAntiAlias(true); 806 paint.setStyle(SkPaint::kStroke_Style); 807 paint.setStrokeWidth(0); 808 for (int i = 0; i < 50; ++i) { 809 canvas->drawPath(path, paint); 810 } 811 } 812 picture.reset(recorder.endRecording()); 813 // hairline stroked AA concave paths are fine for GPU rendering 814 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 815 816 canvas = recorder.beginRecording(100, 100); 817 { 818 SkPaint paint; 819 SkScalar intervals [] = { 10, 20 }; 820 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); 821 paint.setPathEffect(pe)->unref(); 822 823 SkPoint points [2] = { { 0, 0 }, { 100, 0 } }; 824 canvas->drawPoints(SkCanvas::kLines_PointMode, 2, points, paint); 825 } 826 picture.reset(recorder.endRecording()); 827 // fast-path dashed effects are fine for GPU rendering ... 828 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 829 830 canvas = recorder.beginRecording(100, 100); 831 { 832 SkPaint paint; 833 SkScalar intervals [] = { 10, 20 }; 834 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); 835 paint.setPathEffect(pe)->unref(); 836 837 canvas->drawRect(SkRect::MakeWH(10, 10), paint); 838 } 839 picture.reset(recorder.endRecording()); 840 // ... but only when applied to drawPoint() calls 841 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 842 843 // Nest the previous picture inside a new one. 844 canvas = recorder.beginRecording(100, 100); 845 { 846 canvas->drawPicture(picture.get()); 847 } 848 picture.reset(recorder.endRecording()); 849 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 850} 851 852static void test_gpu_picture_optimization(skiatest::Reporter* reporter, 853 GrContextFactory* factory) { 854 for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) { 855 GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i; 856 857 if (!GrContextFactory::IsRenderingGLContext(glCtxType)) { 858 continue; 859 } 860 861 GrContext* context = factory->get(glCtxType); 862 863 if (NULL == context) { 864 continue; 865 } 866 867 static const int kWidth = 100; 868 static const int kHeight = 100; 869 870 // Create complex paint that the bounding box computation code can't 871 // optimize away 872 SkScalar blueToRedMatrix[20] = { 0 }; 873 blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1; 874 SkAutoTUnref<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix)); 875 SkAutoTUnref<SkImageFilter> filter(SkColorFilterImageFilter::Create(blueToRed.get())); 876 877 SkPaint complexPaint; 878 complexPaint.setImageFilter(filter); 879 880 SkAutoTUnref<SkPicture> pict, child; 881 882 { 883 SkPictureRecorder recorder; 884 885 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight)); 886 887 c->saveLayer(NULL, &complexPaint); 888 c->restore(); 889 890 child.reset(recorder.endRecording()); 891 } 892 893 // create a picture with the structure: 894 // 1) 895 // SaveLayer 896 // Restore 897 // 2) 898 // SaveLayer 899 // Translate 900 // SaveLayer w/ bound 901 // Restore 902 // Restore 903 // 3) 904 // SaveLayer w/ copyable paint 905 // Restore 906 // 4) 907 // SaveLayer 908 // DrawPicture (which has a SaveLayer/Restore pair) 909 // Restore 910 // 5) 911 // SaveLayer 912 // DrawPicture with Matrix & Paint (with SaveLayer/Restore pair) 913 // Restore 914 { 915 SkPictureRecorder recorder; 916 917 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), 918 SkIntToScalar(kHeight)); 919 // 1) 920 c->saveLayer(NULL, &complexPaint); // layer #0 921 c->restore(); 922 923 // 2) 924 c->saveLayer(NULL, NULL); // layer #1 925 c->translate(kWidth/2.0f, kHeight/2.0f); 926 SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2); 927 c->saveLayer(&r, &complexPaint); // layer #2 928 c->restore(); 929 c->restore(); 930 931 // 3) 932 { 933 c->saveLayer(NULL, &complexPaint); // layer #3 934 c->restore(); 935 } 936 937 SkPaint layerPaint; 938 layerPaint.setColor(SK_ColorRED); // Non-alpha only to avoid SaveLayerDrawRestoreNooper 939 // 4) 940 { 941 c->saveLayer(NULL, &layerPaint); // layer #4 942 c->drawPicture(child); // layer #5 inside picture 943 c->restore(); 944 } 945 // 5 946 { 947 SkPaint picturePaint; 948 SkMatrix trans; 949 trans.setTranslate(10, 10); 950 951 c->saveLayer(NULL, &layerPaint); // layer #6 952 c->drawPicture(child, &trans, &picturePaint); // layer #7 inside picture 953 c->restore(); 954 } 955 956 pict.reset(recorder.endRecording()); 957 } 958 959 // Now test out the SaveLayer extraction 960 { 961 SkImageInfo info = SkImageInfo::MakeN32Premul(kWidth, kHeight); 962 963 SkAutoTUnref<SkSurface> surface(SkSurface::NewScratchRenderTarget(context, info)); 964 965 SkCanvas* canvas = surface->getCanvas(); 966 967 canvas->EXPERIMENTAL_optimize(pict); 968 969 SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey(); 970 971 const SkPicture::AccelData* data = pict->EXPERIMENTAL_getAccelData(key); 972 REPORTER_ASSERT(reporter, data); 973 974 const GrAccelData *gpuData = static_cast<const GrAccelData*>(data); 975 REPORTER_ASSERT(reporter, 8 == gpuData->numSaveLayers()); 976 977 const GrAccelData::SaveLayerInfo& info0 = gpuData->saveLayerInfo(0); 978 // The parent/child layers appear in reverse order 979 const GrAccelData::SaveLayerInfo& info1 = gpuData->saveLayerInfo(2); 980 const GrAccelData::SaveLayerInfo& info2 = gpuData->saveLayerInfo(1); 981 982 const GrAccelData::SaveLayerInfo& info3 = gpuData->saveLayerInfo(3); 983 984 // The parent/child layers appear in reverse order 985 const GrAccelData::SaveLayerInfo& info4 = gpuData->saveLayerInfo(5); 986 const GrAccelData::SaveLayerInfo& info5 = gpuData->saveLayerInfo(4); 987 988 // The parent/child layers appear in reverse order 989 const GrAccelData::SaveLayerInfo& info6 = gpuData->saveLayerInfo(7); 990 const GrAccelData::SaveLayerInfo& info7 = gpuData->saveLayerInfo(6); 991 992 REPORTER_ASSERT(reporter, NULL == info0.fPicture); 993 REPORTER_ASSERT(reporter, kWidth == info0.fBounds.width() && 994 kHeight == info0.fBounds.height()); 995 REPORTER_ASSERT(reporter, info0.fLocalMat.isIdentity()); 996 REPORTER_ASSERT(reporter, info0.fPreMat.isIdentity()); 997 REPORTER_ASSERT(reporter, 0 == info0.fBounds.fLeft && 0 == info0.fBounds.fTop); 998 REPORTER_ASSERT(reporter, NULL != info0.fPaint); 999 REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers); 1000 1001 REPORTER_ASSERT(reporter, NULL == info1.fPicture); 1002 REPORTER_ASSERT(reporter, kWidth == info1.fBounds.width() && 1003 kHeight == info1.fBounds.height()); 1004 REPORTER_ASSERT(reporter, info1.fLocalMat.isIdentity()); 1005 REPORTER_ASSERT(reporter, info1.fPreMat.isIdentity()); 1006 REPORTER_ASSERT(reporter, 0 == info1.fBounds.fLeft && 0 == info1.fBounds.fTop); 1007 REPORTER_ASSERT(reporter, NULL == info1.fPaint); 1008 REPORTER_ASSERT(reporter, !info1.fIsNested && 1009 info1.fHasNestedLayers); // has a nested SL 1010 1011 REPORTER_ASSERT(reporter, NULL == info2.fPicture); 1012 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.width() && 1013 kHeight / 2 == info2.fBounds.height()); // bound reduces size 1014 REPORTER_ASSERT(reporter, !info2.fLocalMat.isIdentity()); 1015 REPORTER_ASSERT(reporter, info2.fPreMat.isIdentity()); 1016 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.fLeft && // translated 1017 kHeight / 2 == info2.fBounds.fTop); 1018 REPORTER_ASSERT(reporter, NULL != info2.fPaint); 1019 REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested 1020 1021 REPORTER_ASSERT(reporter, NULL == info3.fPicture); 1022 REPORTER_ASSERT(reporter, kWidth == info3.fBounds.width() && 1023 kHeight == info3.fBounds.height()); 1024 REPORTER_ASSERT(reporter, info3.fLocalMat.isIdentity()); 1025 REPORTER_ASSERT(reporter, info3.fPreMat.isIdentity()); 1026 REPORTER_ASSERT(reporter, 0 == info3.fBounds.fLeft && 0 == info3.fBounds.fTop); 1027 REPORTER_ASSERT(reporter, info3.fPaint); 1028 REPORTER_ASSERT(reporter, !info3.fIsNested && !info3.fHasNestedLayers); 1029 1030 REPORTER_ASSERT(reporter, NULL == info4.fPicture); 1031 REPORTER_ASSERT(reporter, kWidth == info4.fBounds.width() && 1032 kHeight == info4.fBounds.height()); 1033 REPORTER_ASSERT(reporter, 0 == info4.fBounds.fLeft && 0 == info4.fBounds.fTop); 1034 REPORTER_ASSERT(reporter, info4.fLocalMat.isIdentity()); 1035 REPORTER_ASSERT(reporter, info4.fPreMat.isIdentity()); 1036 REPORTER_ASSERT(reporter, info4.fPaint); 1037 REPORTER_ASSERT(reporter, !info4.fIsNested && 1038 info4.fHasNestedLayers); // has a nested SL 1039 1040 REPORTER_ASSERT(reporter, child == info5.fPicture); // in a child picture 1041 REPORTER_ASSERT(reporter, kWidth == info5.fBounds.width() && 1042 kHeight == info5.fBounds.height()); 1043 REPORTER_ASSERT(reporter, 0 == info5.fBounds.fLeft && 0 == info5.fBounds.fTop); 1044 REPORTER_ASSERT(reporter, info5.fLocalMat.isIdentity()); 1045 REPORTER_ASSERT(reporter, info5.fPreMat.isIdentity()); 1046 REPORTER_ASSERT(reporter, NULL != info5.fPaint); 1047 REPORTER_ASSERT(reporter, info5.fIsNested && !info5.fHasNestedLayers); // is nested 1048 1049 REPORTER_ASSERT(reporter, NULL == info6.fPicture); 1050 REPORTER_ASSERT(reporter, kWidth-10 == info6.fBounds.width() && 1051 kHeight-10 == info6.fBounds.height()); 1052 REPORTER_ASSERT(reporter, 10 == info6.fBounds.fLeft && 10 == info6.fBounds.fTop); 1053 REPORTER_ASSERT(reporter, info6.fLocalMat.isIdentity()); 1054 REPORTER_ASSERT(reporter, info6.fPreMat.isIdentity()); 1055 REPORTER_ASSERT(reporter, info6.fPaint); 1056 REPORTER_ASSERT(reporter, !info6.fIsNested && 1057 info6.fHasNestedLayers); // has a nested SL 1058 1059 REPORTER_ASSERT(reporter, child == info7.fPicture); // in a child picture 1060 REPORTER_ASSERT(reporter, kWidth == info7.fBounds.width() && 1061 kHeight == info7.fBounds.height()); 1062 REPORTER_ASSERT(reporter, 0 == info7.fBounds.fLeft && 0 == info7.fBounds.fTop); 1063 REPORTER_ASSERT(reporter, info7.fLocalMat.isIdentity()); 1064 REPORTER_ASSERT(reporter, info7.fPreMat.isIdentity()); 1065 REPORTER_ASSERT(reporter, NULL != info7.fPaint); 1066 REPORTER_ASSERT(reporter, info7.fIsNested && !info7.fHasNestedLayers); // is nested 1067 } 1068 } 1069} 1070 1071#endif 1072 1073static void test_has_text(skiatest::Reporter* reporter) { 1074 SkPictureRecorder recorder; 1075 1076 SkCanvas* canvas = recorder.beginRecording(100,100); 1077 { 1078 canvas->drawRect(SkRect::MakeWH(20, 20), SkPaint()); 1079 } 1080 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1081 REPORTER_ASSERT(reporter, !picture->hasText()); 1082 1083 SkPoint point = SkPoint::Make(10, 10); 1084 canvas = recorder.beginRecording(100,100); 1085 { 1086 canvas->drawText("Q", 1, point.fX, point.fY, SkPaint()); 1087 } 1088 picture.reset(recorder.endRecording()); 1089 REPORTER_ASSERT(reporter, picture->hasText()); 1090 1091 canvas = recorder.beginRecording(100,100); 1092 { 1093 canvas->drawPosText("Q", 1, &point, SkPaint()); 1094 } 1095 picture.reset(recorder.endRecording()); 1096 REPORTER_ASSERT(reporter, picture->hasText()); 1097 1098 canvas = recorder.beginRecording(100,100); 1099 { 1100 canvas->drawPosTextH("Q", 1, &point.fX, point.fY, SkPaint()); 1101 } 1102 picture.reset(recorder.endRecording()); 1103 REPORTER_ASSERT(reporter, picture->hasText()); 1104 1105 canvas = recorder.beginRecording(100,100); 1106 { 1107 SkPath path; 1108 path.moveTo(0, 0); 1109 path.lineTo(50, 50); 1110 1111 canvas->drawTextOnPathHV("Q", 1, path, point.fX, point.fY, SkPaint()); 1112 } 1113 picture.reset(recorder.endRecording()); 1114 REPORTER_ASSERT(reporter, picture->hasText()); 1115 1116 canvas = recorder.beginRecording(100,100); 1117 { 1118 SkPath path; 1119 path.moveTo(0, 0); 1120 path.lineTo(50, 50); 1121 1122 canvas->drawTextOnPath("Q", 1, path, NULL, SkPaint()); 1123 } 1124 picture.reset(recorder.endRecording()); 1125 REPORTER_ASSERT(reporter, picture->hasText()); 1126 1127 // Nest the previous picture inside a new one. 1128 canvas = recorder.beginRecording(100,100); 1129 { 1130 canvas->drawPicture(picture.get()); 1131 } 1132 picture.reset(recorder.endRecording()); 1133 REPORTER_ASSERT(reporter, picture->hasText()); 1134} 1135 1136static void set_canvas_to_save_count_4(SkCanvas* canvas) { 1137 canvas->restoreToCount(1); 1138 canvas->save(); 1139 canvas->save(); 1140 canvas->save(); 1141} 1142 1143/** 1144 * A canvas that records the number of saves, saveLayers and restores. 1145 */ 1146class SaveCountingCanvas : public SkCanvas { 1147public: 1148 SaveCountingCanvas(int width, int height) 1149 : INHERITED(width, height) 1150 , fSaveCount(0) 1151 , fSaveLayerCount(0) 1152 , fRestoreCount(0){ 1153 } 1154 1155 virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, 1156 SaveFlags flags) SK_OVERRIDE { 1157 ++fSaveLayerCount; 1158 return this->INHERITED::willSaveLayer(bounds, paint, flags); 1159 } 1160 1161 virtual void willSave() SK_OVERRIDE { 1162 ++fSaveCount; 1163 this->INHERITED::willSave(); 1164 } 1165 1166 virtual void willRestore() SK_OVERRIDE { 1167 ++fRestoreCount; 1168 this->INHERITED::willRestore(); 1169 } 1170 1171 unsigned int getSaveCount() const { return fSaveCount; } 1172 unsigned int getSaveLayerCount() const { return fSaveLayerCount; } 1173 unsigned int getRestoreCount() const { return fRestoreCount; } 1174 1175private: 1176 unsigned int fSaveCount; 1177 unsigned int fSaveLayerCount; 1178 unsigned int fRestoreCount; 1179 1180 typedef SkCanvas INHERITED; 1181}; 1182 1183void check_save_state(skiatest::Reporter* reporter, SkPicture* picture, 1184 unsigned int numSaves, unsigned int numSaveLayers, 1185 unsigned int numRestores) { 1186 SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()), 1187 SkScalarCeilToInt(picture->cullRect().height())); 1188 1189 picture->playback(&canvas); 1190 1191 // Optimizations may have removed these, 1192 // so expect to have seen no more than num{Saves,SaveLayers,Restores}. 1193 REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount()); 1194 REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount()); 1195 REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount()); 1196} 1197 1198// This class exists so SkPicture can friend it and give it access to 1199// the 'partialReplay' method. 1200class SkPictureRecorderReplayTester { 1201public: 1202 static SkPicture* Copy(SkPictureRecorder* recorder) { 1203 SkPictureRecorder recorder2; 1204 1205 SkCanvas* canvas = recorder2.beginRecording(10, 10); 1206 1207 recorder->partialReplay(canvas); 1208 1209 return recorder2.endRecording(); 1210 } 1211}; 1212 1213static void create_imbalance(SkCanvas* canvas) { 1214 SkRect clipRect = SkRect::MakeWH(2, 2); 1215 SkRect drawRect = SkRect::MakeWH(10, 10); 1216 canvas->save(); 1217 canvas->clipRect(clipRect, SkRegion::kReplace_Op); 1218 canvas->translate(1.0f, 1.0f); 1219 SkPaint p; 1220 p.setColor(SK_ColorGREEN); 1221 canvas->drawRect(drawRect, p); 1222 // no restore 1223} 1224 1225// This tests that replaying a potentially unbalanced picture into a canvas 1226// doesn't affect the canvas' save count or matrix/clip state. 1227static void check_balance(skiatest::Reporter* reporter, SkPicture* picture) { 1228 SkBitmap bm; 1229 bm.allocN32Pixels(4, 3); 1230 SkCanvas canvas(bm); 1231 1232 int beforeSaveCount = canvas.getSaveCount(); 1233 1234 SkMatrix beforeMatrix = canvas.getTotalMatrix(); 1235 1236 SkRect beforeClip; 1237 1238 canvas.getClipBounds(&beforeClip); 1239 1240 canvas.drawPicture(picture); 1241 1242 REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount()); 1243 REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix()); 1244 1245 SkRect afterClip; 1246 1247 canvas.getClipBounds(&afterClip); 1248 1249 REPORTER_ASSERT(reporter, afterClip == beforeClip); 1250} 1251 1252// Test out SkPictureRecorder::partialReplay 1253DEF_TEST(PictureRecorder_replay, reporter) { 1254 // check save/saveLayer state 1255 { 1256 SkPictureRecorder recorder; 1257 1258 SkCanvas* canvas = recorder.beginRecording(10, 10); 1259 1260 canvas->saveLayer(NULL, NULL); 1261 1262 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1263 1264 // The extra save and restore comes from the Copy process. 1265 check_save_state(reporter, copy, 2, 1, 3); 1266 1267 canvas->saveLayer(NULL, NULL); 1268 1269 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1270 1271 check_save_state(reporter, final, 1, 2, 3); 1272 1273 // The copy shouldn't pick up any operations added after it was made 1274 check_save_state(reporter, copy, 2, 1, 3); 1275 } 1276 1277 // (partially) check leakage of draw ops 1278 { 1279 SkPictureRecorder recorder; 1280 1281 SkCanvas* canvas = recorder.beginRecording(10, 10); 1282 1283 SkRect r = SkRect::MakeWH(5, 5); 1284 SkPaint p; 1285 1286 canvas->drawRect(r, p); 1287 1288 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1289 1290 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1291 1292 SkBitmap bm; 1293 make_bm(&bm, 10, 10, SK_ColorRED, true); 1294 1295 r.offset(5.0f, 5.0f); 1296 canvas->drawBitmapRectToRect(bm, NULL, r); 1297 1298 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1299 REPORTER_ASSERT(reporter, final->willPlayBackBitmaps()); 1300 1301 REPORTER_ASSERT(reporter, copy->uniqueID() != final->uniqueID()); 1302 1303 // The snapshot shouldn't pick up any operations added after it was made 1304 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1305 } 1306 1307 // Recreate the Android partialReplay test case 1308 { 1309 SkPictureRecorder recorder; 1310 1311 SkCanvas* canvas = recorder.beginRecording(4, 3, NULL, 0); 1312 create_imbalance(canvas); 1313 1314 int expectedSaveCount = canvas->getSaveCount(); 1315 1316 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1317 check_balance(reporter, copy); 1318 1319 REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount()); 1320 1321 // End the recording of source to test the picture finalization 1322 // process isn't complicated by the partialReplay step 1323 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1324 } 1325} 1326 1327static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { 1328 SkCanvas testCanvas(100, 100); 1329 set_canvas_to_save_count_4(&testCanvas); 1330 1331 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1332 1333 SkPaint paint; 1334 SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000); 1335 1336 SkPictureRecorder recorder; 1337 1338 { 1339 // Create picture with 2 unbalanced saves 1340 SkCanvas* canvas = recorder.beginRecording(100, 100); 1341 canvas->save(); 1342 canvas->translate(10, 10); 1343 canvas->drawRect(rect, paint); 1344 canvas->save(); 1345 canvas->translate(10, 10); 1346 canvas->drawRect(rect, paint); 1347 SkAutoTUnref<SkPicture> extraSavePicture(recorder.endRecording()); 1348 1349 testCanvas.drawPicture(extraSavePicture); 1350 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1351 } 1352 1353 set_canvas_to_save_count_4(&testCanvas); 1354 1355 { 1356 // Create picture with 2 unbalanced restores 1357 SkCanvas* canvas = recorder.beginRecording(100, 100); 1358 canvas->save(); 1359 canvas->translate(10, 10); 1360 canvas->drawRect(rect, paint); 1361 canvas->save(); 1362 canvas->translate(10, 10); 1363 canvas->drawRect(rect, paint); 1364 canvas->restore(); 1365 canvas->restore(); 1366 canvas->restore(); 1367 canvas->restore(); 1368 SkAutoTUnref<SkPicture> extraRestorePicture(recorder.endRecording()); 1369 1370 testCanvas.drawPicture(extraRestorePicture); 1371 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1372 } 1373 1374 set_canvas_to_save_count_4(&testCanvas); 1375 1376 { 1377 SkCanvas* canvas = recorder.beginRecording(100, 100); 1378 canvas->translate(10, 10); 1379 canvas->drawRect(rect, paint); 1380 SkAutoTUnref<SkPicture> noSavePicture(recorder.endRecording()); 1381 1382 testCanvas.drawPicture(noSavePicture); 1383 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1384 REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); 1385 } 1386} 1387 1388static void test_peephole() { 1389 SkRandom rand; 1390 1391 SkPictureRecorder recorder; 1392 1393 for (int j = 0; j < 100; j++) { 1394 SkRandom rand2(rand); // remember the seed 1395 1396 SkCanvas* canvas = recorder.beginRecording(100, 100); 1397 1398 for (int i = 0; i < 1000; ++i) { 1399 rand_op(canvas, rand); 1400 } 1401 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1402 1403 rand = rand2; 1404 } 1405 1406 { 1407 SkCanvas* canvas = recorder.beginRecording(100, 100); 1408 SkRect rect = SkRect::MakeWH(50, 50); 1409 1410 for (int i = 0; i < 100; ++i) { 1411 canvas->save(); 1412 } 1413 while (canvas->getSaveCount() > 1) { 1414 canvas->clipRect(rect); 1415 canvas->restore(); 1416 } 1417 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1418 } 1419} 1420 1421#ifndef SK_DEBUG 1422// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller 1423// should never do this. 1424static void test_bad_bitmap() { 1425 // This bitmap has a width and height but no pixels. As a result, attempting to record it will 1426 // fail. 1427 SkBitmap bm; 1428 bm.setInfo(SkImageInfo::MakeN32Premul(100, 100)); 1429 SkPictureRecorder recorder; 1430 SkCanvas* recordingCanvas = recorder.beginRecording(100, 100); 1431 recordingCanvas->drawBitmap(bm, 0, 0); 1432 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1433 1434 SkCanvas canvas; 1435 canvas.drawPicture(picture); 1436} 1437#endif 1438 1439static SkData* encode_bitmap_to_data(size_t*, const SkBitmap& bm) { 1440 return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); 1441} 1442 1443static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { 1444 SkPictureRecorder recorder; 1445 SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(bitmap.width()), 1446 SkIntToScalar(bitmap.height())); 1447 canvas->drawBitmap(bitmap, 0, 0); 1448 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1449 1450 SkDynamicMemoryWStream wStream; 1451 picture->serialize(&wStream, &encode_bitmap_to_data); 1452 return wStream.copyToData(); 1453} 1454 1455struct ErrorContext { 1456 int fErrors; 1457 skiatest::Reporter* fReporter; 1458}; 1459 1460static void assert_one_parse_error_cb(SkError error, void* context) { 1461 ErrorContext* errorContext = static_cast<ErrorContext*>(context); 1462 errorContext->fErrors++; 1463 // This test only expects one error, and that is a kParseError. If there are others, 1464 // there is some unknown problem. 1465 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, 1466 "This threw more errors than expected."); 1467 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, 1468 SkGetLastErrorString()); 1469} 1470 1471static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { 1472 // Create a bitmap that will be encoded. 1473 SkBitmap original; 1474 make_bm(&original, 100, 100, SK_ColorBLUE, true); 1475 SkDynamicMemoryWStream wStream; 1476 if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { 1477 return; 1478 } 1479 SkAutoDataUnref data(wStream.copyToData()); 1480 1481 SkBitmap bm; 1482 bool installSuccess = SkInstallDiscardablePixelRef( 1483 SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()), &bm); 1484 REPORTER_ASSERT(reporter, installSuccess); 1485 1486 // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. 1487 // Flattening original will follow the old path of performing an encode, while flattening bm 1488 // will use the already encoded data. 1489 SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); 1490 SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); 1491 REPORTER_ASSERT(reporter, picture1->equals(picture2)); 1492 // Now test that a parse error was generated when trying to create a new SkPicture without 1493 // providing a function to decode the bitmap. 1494 ErrorContext context; 1495 context.fErrors = 0; 1496 context.fReporter = reporter; 1497 SkSetErrorCallback(assert_one_parse_error_cb, &context); 1498 SkMemoryStream pictureStream(picture1); 1499 SkClearLastError(); 1500 SkAutoUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); 1501 REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); 1502 SkClearLastError(); 1503 SkSetErrorCallback(NULL, NULL); 1504} 1505 1506static void test_clip_bound_opt(skiatest::Reporter* reporter) { 1507 // Test for crbug.com/229011 1508 SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4), 1509 SkIntToScalar(2), SkIntToScalar(2)); 1510 SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7), 1511 SkIntToScalar(1), SkIntToScalar(1)); 1512 SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6), 1513 SkIntToScalar(1), SkIntToScalar(1)); 1514 1515 SkPath invPath; 1516 invPath.addOval(rect1); 1517 invPath.setFillType(SkPath::kInverseEvenOdd_FillType); 1518 SkPath path; 1519 path.addOval(rect2); 1520 SkPath path2; 1521 path2.addOval(rect3); 1522 SkIRect clipBounds; 1523 SkPictureRecorder recorder; 1524 1525 // Testing conservative-raster-clip that is enabled by PictureRecord 1526 { 1527 SkCanvas* canvas = recorder.beginRecording(10, 10); 1528 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1529 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1530 REPORTER_ASSERT(reporter, true == nonEmpty); 1531 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1532 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1533 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1534 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1535 } 1536 { 1537 SkCanvas* canvas = recorder.beginRecording(10, 10); 1538 canvas->clipPath(path, SkRegion::kIntersect_Op); 1539 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1540 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1541 REPORTER_ASSERT(reporter, true == nonEmpty); 1542 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1543 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1544 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1545 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1546 } 1547 { 1548 SkCanvas* canvas = recorder.beginRecording(10, 10); 1549 canvas->clipPath(path, SkRegion::kIntersect_Op); 1550 canvas->clipPath(invPath, SkRegion::kUnion_Op); 1551 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1552 REPORTER_ASSERT(reporter, true == nonEmpty); 1553 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1554 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1555 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1556 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1557 } 1558 { 1559 SkCanvas* canvas = recorder.beginRecording(10, 10); 1560 canvas->clipPath(path, SkRegion::kDifference_Op); 1561 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1562 REPORTER_ASSERT(reporter, true == nonEmpty); 1563 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1564 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1565 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1566 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1567 } 1568 { 1569 SkCanvas* canvas = recorder.beginRecording(10, 10); 1570 canvas->clipPath(path, SkRegion::kReverseDifference_Op); 1571 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1572 // True clip is actually empty in this case, but the best 1573 // determination we can make using only bounds as input is that the 1574 // clip is included in the bounds of 'path'. 1575 REPORTER_ASSERT(reporter, true == nonEmpty); 1576 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1577 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1578 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1579 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1580 } 1581 { 1582 SkCanvas* canvas = recorder.beginRecording(10, 10); 1583 canvas->clipPath(path, SkRegion::kIntersect_Op); 1584 canvas->clipPath(path2, SkRegion::kXOR_Op); 1585 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1586 REPORTER_ASSERT(reporter, true == nonEmpty); 1587 REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); 1588 REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); 1589 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1590 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1591 } 1592} 1593 1594/** 1595 * A canvas that records the number of clip commands. 1596 */ 1597class ClipCountingCanvas : public SkCanvas { 1598public: 1599 ClipCountingCanvas(int width, int height) 1600 : INHERITED(width, height) 1601 , fClipCount(0){ 1602 } 1603 1604 virtual void onClipRect(const SkRect& r, 1605 SkRegion::Op op, 1606 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1607 fClipCount += 1; 1608 this->INHERITED::onClipRect(r, op, edgeStyle); 1609 } 1610 1611 virtual void onClipRRect(const SkRRect& rrect, 1612 SkRegion::Op op, 1613 ClipEdgeStyle edgeStyle)SK_OVERRIDE { 1614 fClipCount += 1; 1615 this->INHERITED::onClipRRect(rrect, op, edgeStyle); 1616 } 1617 1618 virtual void onClipPath(const SkPath& path, 1619 SkRegion::Op op, 1620 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1621 fClipCount += 1; 1622 this->INHERITED::onClipPath(path, op, edgeStyle); 1623 } 1624 1625 virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE { 1626 fClipCount += 1; 1627 this->INHERITED::onClipRegion(deviceRgn, op); 1628 } 1629 1630 unsigned getClipCount() const { return fClipCount; } 1631 1632private: 1633 unsigned fClipCount; 1634 1635 typedef SkCanvas INHERITED; 1636}; 1637 1638static void test_clip_expansion(skiatest::Reporter* reporter) { 1639 SkPictureRecorder recorder; 1640 SkCanvas* canvas = recorder.beginRecording(10, 10); 1641 1642 canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op); 1643 // The following expanding clip should not be skipped. 1644 canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); 1645 // Draw something so the optimizer doesn't just fold the world. 1646 SkPaint p; 1647 p.setColor(SK_ColorBLUE); 1648 canvas->drawPaint(p); 1649 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1650 1651 ClipCountingCanvas testCanvas(10, 10); 1652 picture->playback(&testCanvas); 1653 1654 // Both clips should be present on playback. 1655 REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); 1656} 1657 1658static void test_hierarchical(skiatest::Reporter* reporter) { 1659 SkBitmap bm; 1660 make_bm(&bm, 10, 10, SK_ColorRED, true); 1661 1662 SkPictureRecorder recorder; 1663 1664 recorder.beginRecording(10, 10); 1665 SkAutoTUnref<SkPicture> childPlain(recorder.endRecording()); 1666 REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 1667 1668 recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); 1669 SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); 1670 REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 1671 1672 { 1673 SkCanvas* canvas = recorder.beginRecording(10, 10); 1674 canvas->drawPicture(childPlain); 1675 SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); 1676 REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 1677 } 1678 { 1679 SkCanvas* canvas = recorder.beginRecording(10, 10); 1680 canvas->drawPicture(childWithBitmap); 1681 SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); 1682 REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 1683 } 1684 { 1685 SkCanvas* canvas = recorder.beginRecording(10, 10); 1686 canvas->drawBitmap(bm, 0, 0); 1687 canvas->drawPicture(childPlain); 1688 SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); 1689 REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 1690 } 1691 { 1692 SkCanvas* canvas = recorder.beginRecording(10, 10); 1693 canvas->drawBitmap(bm, 0, 0); 1694 canvas->drawPicture(childWithBitmap); 1695 SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); 1696 REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 1697 } 1698} 1699 1700static void test_gen_id(skiatest::Reporter* reporter) { 1701 1702 SkPictureRecorder recorder; 1703 recorder.beginRecording(0, 0); 1704 SkAutoTUnref<SkPicture> empty(recorder.endRecording()); 1705 1706 // Empty pictures should still have a valid ID 1707 REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID); 1708 1709 SkCanvas* canvas = recorder.beginRecording(1, 1); 1710 canvas->drawARGB(255, 255, 255, 255); 1711 SkAutoTUnref<SkPicture> hasData(recorder.endRecording()); 1712 // picture should have a non-zero id after recording 1713 REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID); 1714 1715 // both pictures should have different ids 1716 REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID()); 1717} 1718 1719DEF_TEST(Picture, reporter) { 1720#ifdef SK_DEBUG 1721 test_deleting_empty_picture(); 1722 test_serializing_empty_picture(); 1723#else 1724 test_bad_bitmap(); 1725#endif 1726 test_unbalanced_save_restores(reporter); 1727 test_peephole(); 1728#if SK_SUPPORT_GPU 1729 test_gpu_veto(reporter); 1730#endif 1731 test_has_text(reporter); 1732 test_analysis(reporter); 1733 test_gatherpixelrefs(reporter); 1734 test_gatherpixelrefsandrects(reporter); 1735 test_bitmap_with_encoded_data(reporter); 1736 test_clip_bound_opt(reporter); 1737 test_clip_expansion(reporter); 1738 test_hierarchical(reporter); 1739 test_gen_id(reporter); 1740} 1741 1742#if SK_SUPPORT_GPU 1743DEF_GPUTEST(GPUPicture, reporter, factory) { 1744 test_gpu_picture_optimization(reporter, factory); 1745} 1746#endif 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 virtual SkBBoxHierarchy* operator()(int width, int height) const { 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