PictureTest.cpp revision d86b07a8ffd852138f6a6a35658ca470aaab322f
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 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 874static void test_gpu_picture_optimization(skiatest::Reporter* reporter, 875 GrContextFactory* factory) { 876 for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) { 877 GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i; 878 879 if (!GrContextFactory::IsRenderingGLContext(glCtxType)) { 880 continue; 881 } 882 883 GrContext* context = factory->get(glCtxType); 884 885 if (NULL == context) { 886 continue; 887 } 888 889 static const int kWidth = 100; 890 static const int kHeight = 100; 891 892 // Create complex paint that the bounding box computation code can't 893 // optimize away 894 SkScalar blueToRedMatrix[20] = { 0 }; 895 blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1; 896 SkAutoTUnref<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix)); 897 SkAutoTUnref<SkImageFilter> filter(SkColorFilterImageFilter::Create(blueToRed.get())); 898 899 SkPaint complexPaint; 900 complexPaint.setImageFilter(filter); 901 902 SkAutoTUnref<SkPicture> pict, child; 903 904 { 905 SkPictureRecorder recorder; 906 907 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight)); 908 909 c->saveLayer(NULL, &complexPaint); 910 c->restore(); 911 912 child.reset(recorder.endRecording()); 913 } 914 915 // create a picture with the structure: 916 // 1) 917 // SaveLayer 918 // Restore 919 // 2) 920 // SaveLayer 921 // Translate 922 // SaveLayer w/ bound 923 // Restore 924 // Restore 925 // 3) 926 // SaveLayer w/ copyable paint 927 // Restore 928 // 4) 929 // SaveLayer 930 // DrawPicture (which has a SaveLayer/Restore pair) 931 // Restore 932 // 5) 933 // SaveLayer 934 // DrawPicture with Matrix & Paint (with SaveLayer/Restore pair) 935 // Restore 936 { 937 SkPictureRecorder recorder; 938 939 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), 940 SkIntToScalar(kHeight)); 941 // 1) 942 c->saveLayer(NULL, &complexPaint); // layer #0 943 c->restore(); 944 945 // 2) 946 c->saveLayer(NULL, NULL); // layer #1 947 c->translate(kWidth/2.0f, kHeight/2.0f); 948 SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2); 949 c->saveLayer(&r, &complexPaint); // layer #2 950 c->restore(); 951 c->restore(); 952 953 // 3) 954 { 955 c->saveLayer(NULL, &complexPaint); // layer #3 956 c->restore(); 957 } 958 959 SkPaint layerPaint; 960 layerPaint.setColor(SK_ColorRED); // Non-alpha only to avoid SaveLayerDrawRestoreNooper 961 // 4) 962 { 963 c->saveLayer(NULL, &layerPaint); // layer #4 964 c->drawPicture(child); // layer #5 inside picture 965 c->restore(); 966 } 967 // 5 968 { 969 SkPaint picturePaint; 970 SkMatrix trans; 971 trans.setTranslate(10, 10); 972 973 c->saveLayer(NULL, &layerPaint); // layer #6 974 c->drawPicture(child, &trans, &picturePaint); // layer #7 inside picture 975 c->restore(); 976 } 977 978 pict.reset(recorder.endRecording()); 979 } 980 981 // Now test out the SaveLayer extraction 982 { 983 SkImageInfo info = SkImageInfo::MakeN32Premul(kWidth, kHeight); 984 985 SkAutoTUnref<SkSurface> surface(SkSurface::NewScratchRenderTarget(context, info)); 986 987 SkCanvas* canvas = surface->getCanvas(); 988 989 canvas->EXPERIMENTAL_optimize(pict); 990 991 SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey(); 992 993 const SkPicture::AccelData* data = pict->EXPERIMENTAL_getAccelData(key); 994 REPORTER_ASSERT(reporter, data); 995 996 const GrAccelData *gpuData = static_cast<const GrAccelData*>(data); 997 REPORTER_ASSERT(reporter, 8 == gpuData->numSaveLayers()); 998 999 const GrAccelData::SaveLayerInfo& info0 = gpuData->saveLayerInfo(0); 1000 // The parent/child layers appear in reverse order 1001 const GrAccelData::SaveLayerInfo& info1 = gpuData->saveLayerInfo(2); 1002 const GrAccelData::SaveLayerInfo& info2 = gpuData->saveLayerInfo(1); 1003 1004 const GrAccelData::SaveLayerInfo& info3 = gpuData->saveLayerInfo(3); 1005 1006 // The parent/child layers appear in reverse order 1007 const GrAccelData::SaveLayerInfo& info4 = gpuData->saveLayerInfo(5); 1008 const GrAccelData::SaveLayerInfo& info5 = gpuData->saveLayerInfo(4); 1009 1010 // The parent/child layers appear in reverse order 1011 const GrAccelData::SaveLayerInfo& info6 = gpuData->saveLayerInfo(7); 1012 const GrAccelData::SaveLayerInfo& info7 = gpuData->saveLayerInfo(6); 1013 1014 REPORTER_ASSERT(reporter, NULL == info0.fPicture); 1015 REPORTER_ASSERT(reporter, kWidth == info0.fBounds.width() && 1016 kHeight == info0.fBounds.height()); 1017 REPORTER_ASSERT(reporter, info0.fLocalMat.isIdentity()); 1018 REPORTER_ASSERT(reporter, info0.fPreMat.isIdentity()); 1019 REPORTER_ASSERT(reporter, 0 == info0.fBounds.fLeft && 0 == info0.fBounds.fTop); 1020 REPORTER_ASSERT(reporter, NULL != info0.fPaint); 1021 REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers); 1022 1023 REPORTER_ASSERT(reporter, NULL == info1.fPicture); 1024 REPORTER_ASSERT(reporter, kWidth == info1.fBounds.width() && 1025 kHeight == info1.fBounds.height()); 1026 REPORTER_ASSERT(reporter, info1.fLocalMat.isIdentity()); 1027 REPORTER_ASSERT(reporter, info1.fPreMat.isIdentity()); 1028 REPORTER_ASSERT(reporter, 0 == info1.fBounds.fLeft && 0 == info1.fBounds.fTop); 1029 REPORTER_ASSERT(reporter, NULL == info1.fPaint); 1030 REPORTER_ASSERT(reporter, !info1.fIsNested && 1031 info1.fHasNestedLayers); // has a nested SL 1032 1033 REPORTER_ASSERT(reporter, NULL == info2.fPicture); 1034 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.width() && 1035 kHeight / 2 == info2.fBounds.height()); // bound reduces size 1036 REPORTER_ASSERT(reporter, !info2.fLocalMat.isIdentity()); 1037 REPORTER_ASSERT(reporter, info2.fPreMat.isIdentity()); 1038 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.fLeft && // translated 1039 kHeight / 2 == info2.fBounds.fTop); 1040 REPORTER_ASSERT(reporter, NULL != info2.fPaint); 1041 REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested 1042 1043 REPORTER_ASSERT(reporter, NULL == info3.fPicture); 1044 REPORTER_ASSERT(reporter, kWidth == info3.fBounds.width() && 1045 kHeight == info3.fBounds.height()); 1046 REPORTER_ASSERT(reporter, info3.fLocalMat.isIdentity()); 1047 REPORTER_ASSERT(reporter, info3.fPreMat.isIdentity()); 1048 REPORTER_ASSERT(reporter, 0 == info3.fBounds.fLeft && 0 == info3.fBounds.fTop); 1049 REPORTER_ASSERT(reporter, info3.fPaint); 1050 REPORTER_ASSERT(reporter, !info3.fIsNested && !info3.fHasNestedLayers); 1051 1052 REPORTER_ASSERT(reporter, NULL == info4.fPicture); 1053 REPORTER_ASSERT(reporter, kWidth == info4.fBounds.width() && 1054 kHeight == info4.fBounds.height()); 1055 REPORTER_ASSERT(reporter, 0 == info4.fBounds.fLeft && 0 == info4.fBounds.fTop); 1056 REPORTER_ASSERT(reporter, info4.fLocalMat.isIdentity()); 1057 REPORTER_ASSERT(reporter, info4.fPreMat.isIdentity()); 1058 REPORTER_ASSERT(reporter, info4.fPaint); 1059 REPORTER_ASSERT(reporter, !info4.fIsNested && 1060 info4.fHasNestedLayers); // has a nested SL 1061 1062 REPORTER_ASSERT(reporter, child == info5.fPicture); // in a child picture 1063 REPORTER_ASSERT(reporter, kWidth == info5.fBounds.width() && 1064 kHeight == info5.fBounds.height()); 1065 REPORTER_ASSERT(reporter, 0 == info5.fBounds.fLeft && 0 == info5.fBounds.fTop); 1066 REPORTER_ASSERT(reporter, info5.fLocalMat.isIdentity()); 1067 REPORTER_ASSERT(reporter, info5.fPreMat.isIdentity()); 1068 REPORTER_ASSERT(reporter, NULL != info5.fPaint); 1069 REPORTER_ASSERT(reporter, info5.fIsNested && !info5.fHasNestedLayers); // is nested 1070 1071 REPORTER_ASSERT(reporter, NULL == info6.fPicture); 1072 REPORTER_ASSERT(reporter, kWidth-10 == info6.fBounds.width() && 1073 kHeight-10 == info6.fBounds.height()); 1074 REPORTER_ASSERT(reporter, 10 == info6.fBounds.fLeft && 10 == info6.fBounds.fTop); 1075 REPORTER_ASSERT(reporter, info6.fLocalMat.isIdentity()); 1076 REPORTER_ASSERT(reporter, info6.fPreMat.isIdentity()); 1077 REPORTER_ASSERT(reporter, info6.fPaint); 1078 REPORTER_ASSERT(reporter, !info6.fIsNested && 1079 info6.fHasNestedLayers); // has a nested SL 1080 1081 REPORTER_ASSERT(reporter, child == info7.fPicture); // in a child picture 1082 REPORTER_ASSERT(reporter, kWidth == info7.fBounds.width() && 1083 kHeight == info7.fBounds.height()); 1084 REPORTER_ASSERT(reporter, 0 == info7.fBounds.fLeft && 0 == info7.fBounds.fTop); 1085 REPORTER_ASSERT(reporter, info7.fLocalMat.isIdentity()); 1086 REPORTER_ASSERT(reporter, info7.fPreMat.isIdentity()); 1087 REPORTER_ASSERT(reporter, NULL != info7.fPaint); 1088 REPORTER_ASSERT(reporter, info7.fIsNested && !info7.fHasNestedLayers); // is nested 1089 } 1090 } 1091} 1092 1093#endif 1094 1095static void test_has_text(skiatest::Reporter* reporter) { 1096 SkPictureRecorder recorder; 1097 1098 SkCanvas* canvas = recorder.beginRecording(100,100); 1099 { 1100 canvas->drawRect(SkRect::MakeWH(20, 20), SkPaint()); 1101 } 1102 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1103 REPORTER_ASSERT(reporter, !picture->hasText()); 1104 1105 SkPoint point = SkPoint::Make(10, 10); 1106 canvas = recorder.beginRecording(100,100); 1107 { 1108 canvas->drawText("Q", 1, point.fX, point.fY, SkPaint()); 1109 } 1110 picture.reset(recorder.endRecording()); 1111 REPORTER_ASSERT(reporter, picture->hasText()); 1112 1113 canvas = recorder.beginRecording(100,100); 1114 { 1115 canvas->drawPosText("Q", 1, &point, SkPaint()); 1116 } 1117 picture.reset(recorder.endRecording()); 1118 REPORTER_ASSERT(reporter, picture->hasText()); 1119 1120 canvas = recorder.beginRecording(100,100); 1121 { 1122 canvas->drawPosTextH("Q", 1, &point.fX, point.fY, SkPaint()); 1123 } 1124 picture.reset(recorder.endRecording()); 1125 REPORTER_ASSERT(reporter, picture->hasText()); 1126 1127 canvas = recorder.beginRecording(100,100); 1128 { 1129 SkPath path; 1130 path.moveTo(0, 0); 1131 path.lineTo(50, 50); 1132 1133 canvas->drawTextOnPathHV("Q", 1, path, point.fX, point.fY, SkPaint()); 1134 } 1135 picture.reset(recorder.endRecording()); 1136 REPORTER_ASSERT(reporter, picture->hasText()); 1137 1138 canvas = recorder.beginRecording(100,100); 1139 { 1140 SkPath path; 1141 path.moveTo(0, 0); 1142 path.lineTo(50, 50); 1143 1144 canvas->drawTextOnPath("Q", 1, path, NULL, SkPaint()); 1145 } 1146 picture.reset(recorder.endRecording()); 1147 REPORTER_ASSERT(reporter, picture->hasText()); 1148 1149 // Nest the previous picture inside a new one. 1150 canvas = recorder.beginRecording(100,100); 1151 { 1152 canvas->drawPicture(picture.get()); 1153 } 1154 picture.reset(recorder.endRecording()); 1155 REPORTER_ASSERT(reporter, picture->hasText()); 1156} 1157 1158static void set_canvas_to_save_count_4(SkCanvas* canvas) { 1159 canvas->restoreToCount(1); 1160 canvas->save(); 1161 canvas->save(); 1162 canvas->save(); 1163} 1164 1165/** 1166 * A canvas that records the number of saves, saveLayers and restores. 1167 */ 1168class SaveCountingCanvas : public SkCanvas { 1169public: 1170 SaveCountingCanvas(int width, int height) 1171 : INHERITED(width, height) 1172 , fSaveCount(0) 1173 , fSaveLayerCount(0) 1174 , fRestoreCount(0){ 1175 } 1176 1177 virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, 1178 SaveFlags flags) SK_OVERRIDE { 1179 ++fSaveLayerCount; 1180 return this->INHERITED::willSaveLayer(bounds, paint, flags); 1181 } 1182 1183 virtual void willSave() SK_OVERRIDE { 1184 ++fSaveCount; 1185 this->INHERITED::willSave(); 1186 } 1187 1188 virtual void willRestore() SK_OVERRIDE { 1189 ++fRestoreCount; 1190 this->INHERITED::willRestore(); 1191 } 1192 1193 unsigned int getSaveCount() const { return fSaveCount; } 1194 unsigned int getSaveLayerCount() const { return fSaveLayerCount; } 1195 unsigned int getRestoreCount() const { return fRestoreCount; } 1196 1197private: 1198 unsigned int fSaveCount; 1199 unsigned int fSaveLayerCount; 1200 unsigned int fRestoreCount; 1201 1202 typedef SkCanvas INHERITED; 1203}; 1204 1205void check_save_state(skiatest::Reporter* reporter, SkPicture* picture, 1206 unsigned int numSaves, unsigned int numSaveLayers, 1207 unsigned int numRestores) { 1208 SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()), 1209 SkScalarCeilToInt(picture->cullRect().height())); 1210 1211 picture->playback(&canvas); 1212 1213 // Optimizations may have removed these, 1214 // so expect to have seen no more than num{Saves,SaveLayers,Restores}. 1215 REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount()); 1216 REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount()); 1217 REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount()); 1218} 1219 1220// This class exists so SkPicture can friend it and give it access to 1221// the 'partialReplay' method. 1222class SkPictureRecorderReplayTester { 1223public: 1224 static SkPicture* Copy(SkPictureRecorder* recorder) { 1225 SkPictureRecorder recorder2; 1226 1227 SkCanvas* canvas = recorder2.beginRecording(10, 10); 1228 1229 recorder->partialReplay(canvas); 1230 1231 return recorder2.endRecording(); 1232 } 1233}; 1234 1235static void create_imbalance(SkCanvas* canvas) { 1236 SkRect clipRect = SkRect::MakeWH(2, 2); 1237 SkRect drawRect = SkRect::MakeWH(10, 10); 1238 canvas->save(); 1239 canvas->clipRect(clipRect, SkRegion::kReplace_Op); 1240 canvas->translate(1.0f, 1.0f); 1241 SkPaint p; 1242 p.setColor(SK_ColorGREEN); 1243 canvas->drawRect(drawRect, p); 1244 // no restore 1245} 1246 1247// This tests that replaying a potentially unbalanced picture into a canvas 1248// doesn't affect the canvas' save count or matrix/clip state. 1249static void check_balance(skiatest::Reporter* reporter, SkPicture* picture) { 1250 SkBitmap bm; 1251 bm.allocN32Pixels(4, 3); 1252 SkCanvas canvas(bm); 1253 1254 int beforeSaveCount = canvas.getSaveCount(); 1255 1256 SkMatrix beforeMatrix = canvas.getTotalMatrix(); 1257 1258 SkRect beforeClip; 1259 1260 canvas.getClipBounds(&beforeClip); 1261 1262 canvas.drawPicture(picture); 1263 1264 REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount()); 1265 REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix()); 1266 1267 SkRect afterClip; 1268 1269 canvas.getClipBounds(&afterClip); 1270 1271 REPORTER_ASSERT(reporter, afterClip == beforeClip); 1272} 1273 1274// Test out SkPictureRecorder::partialReplay 1275DEF_TEST(PictureRecorder_replay, reporter) { 1276 // check save/saveLayer state 1277 { 1278 SkPictureRecorder recorder; 1279 1280 SkCanvas* canvas = recorder.beginRecording(10, 10); 1281 1282 canvas->saveLayer(NULL, NULL); 1283 1284 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1285 1286 // The extra save and restore comes from the Copy process. 1287 check_save_state(reporter, copy, 2, 1, 3); 1288 1289 canvas->saveLayer(NULL, NULL); 1290 1291 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1292 1293 check_save_state(reporter, final, 1, 2, 3); 1294 1295 // The copy shouldn't pick up any operations added after it was made 1296 check_save_state(reporter, copy, 2, 1, 3); 1297 } 1298 1299 // (partially) check leakage of draw ops 1300 { 1301 SkPictureRecorder recorder; 1302 1303 SkCanvas* canvas = recorder.beginRecording(10, 10); 1304 1305 SkRect r = SkRect::MakeWH(5, 5); 1306 SkPaint p; 1307 1308 canvas->drawRect(r, p); 1309 1310 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1311 1312 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1313 1314 SkBitmap bm; 1315 make_bm(&bm, 10, 10, SK_ColorRED, true); 1316 1317 r.offset(5.0f, 5.0f); 1318 canvas->drawBitmapRectToRect(bm, NULL, r); 1319 1320 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1321 REPORTER_ASSERT(reporter, final->willPlayBackBitmaps()); 1322 1323 REPORTER_ASSERT(reporter, copy->uniqueID() != final->uniqueID()); 1324 1325 // The snapshot shouldn't pick up any operations added after it was made 1326 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1327 } 1328 1329 // Recreate the Android partialReplay test case 1330 { 1331 SkPictureRecorder recorder; 1332 1333 SkCanvas* canvas = recorder.beginRecording(4, 3, NULL, 0); 1334 create_imbalance(canvas); 1335 1336 int expectedSaveCount = canvas->getSaveCount(); 1337 1338 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1339 check_balance(reporter, copy); 1340 1341 REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount()); 1342 1343 // End the recording of source to test the picture finalization 1344 // process isn't complicated by the partialReplay step 1345 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1346 } 1347} 1348 1349static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { 1350 SkCanvas testCanvas(100, 100); 1351 set_canvas_to_save_count_4(&testCanvas); 1352 1353 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1354 1355 SkPaint paint; 1356 SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000); 1357 1358 SkPictureRecorder recorder; 1359 1360 { 1361 // Create picture with 2 unbalanced saves 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 SkAutoTUnref<SkPicture> extraSavePicture(recorder.endRecording()); 1370 1371 testCanvas.drawPicture(extraSavePicture); 1372 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1373 } 1374 1375 set_canvas_to_save_count_4(&testCanvas); 1376 1377 { 1378 // Create picture with 2 unbalanced restores 1379 SkCanvas* canvas = recorder.beginRecording(100, 100); 1380 canvas->save(); 1381 canvas->translate(10, 10); 1382 canvas->drawRect(rect, paint); 1383 canvas->save(); 1384 canvas->translate(10, 10); 1385 canvas->drawRect(rect, paint); 1386 canvas->restore(); 1387 canvas->restore(); 1388 canvas->restore(); 1389 canvas->restore(); 1390 SkAutoTUnref<SkPicture> extraRestorePicture(recorder.endRecording()); 1391 1392 testCanvas.drawPicture(extraRestorePicture); 1393 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1394 } 1395 1396 set_canvas_to_save_count_4(&testCanvas); 1397 1398 { 1399 SkCanvas* canvas = recorder.beginRecording(100, 100); 1400 canvas->translate(10, 10); 1401 canvas->drawRect(rect, paint); 1402 SkAutoTUnref<SkPicture> noSavePicture(recorder.endRecording()); 1403 1404 testCanvas.drawPicture(noSavePicture); 1405 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1406 REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); 1407 } 1408} 1409 1410static void test_peephole() { 1411 SkRandom rand; 1412 1413 SkPictureRecorder recorder; 1414 1415 for (int j = 0; j < 100; j++) { 1416 SkRandom rand2(rand); // remember the seed 1417 1418 SkCanvas* canvas = recorder.beginRecording(100, 100); 1419 1420 for (int i = 0; i < 1000; ++i) { 1421 rand_op(canvas, rand); 1422 } 1423 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1424 1425 rand = rand2; 1426 } 1427 1428 { 1429 SkCanvas* canvas = recorder.beginRecording(100, 100); 1430 SkRect rect = SkRect::MakeWH(50, 50); 1431 1432 for (int i = 0; i < 100; ++i) { 1433 canvas->save(); 1434 } 1435 while (canvas->getSaveCount() > 1) { 1436 canvas->clipRect(rect); 1437 canvas->restore(); 1438 } 1439 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1440 } 1441} 1442 1443#ifndef SK_DEBUG 1444// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller 1445// should never do this. 1446static void test_bad_bitmap() { 1447 // This bitmap has a width and height but no pixels. As a result, attempting to record it will 1448 // fail. 1449 SkBitmap bm; 1450 bm.setInfo(SkImageInfo::MakeN32Premul(100, 100)); 1451 SkPictureRecorder recorder; 1452 SkCanvas* recordingCanvas = recorder.beginRecording(100, 100); 1453 recordingCanvas->drawBitmap(bm, 0, 0); 1454 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1455 1456 SkCanvas canvas; 1457 canvas.drawPicture(picture); 1458} 1459#endif 1460 1461static SkData* encode_bitmap_to_data(size_t*, const SkBitmap& bm) { 1462 return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); 1463} 1464 1465static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { 1466 SkPictureRecorder recorder; 1467 SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(bitmap.width()), 1468 SkIntToScalar(bitmap.height())); 1469 canvas->drawBitmap(bitmap, 0, 0); 1470 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1471 1472 SkDynamicMemoryWStream wStream; 1473 picture->serialize(&wStream, &encode_bitmap_to_data); 1474 return wStream.copyToData(); 1475} 1476 1477struct ErrorContext { 1478 int fErrors; 1479 skiatest::Reporter* fReporter; 1480}; 1481 1482static void assert_one_parse_error_cb(SkError error, void* context) { 1483 ErrorContext* errorContext = static_cast<ErrorContext*>(context); 1484 errorContext->fErrors++; 1485 // This test only expects one error, and that is a kParseError. If there are others, 1486 // there is some unknown problem. 1487 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, 1488 "This threw more errors than expected."); 1489 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, 1490 SkGetLastErrorString()); 1491} 1492 1493static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { 1494 // Create a bitmap that will be encoded. 1495 SkBitmap original; 1496 make_bm(&original, 100, 100, SK_ColorBLUE, true); 1497 SkDynamicMemoryWStream wStream; 1498 if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { 1499 return; 1500 } 1501 SkAutoDataUnref data(wStream.copyToData()); 1502 1503 SkBitmap bm; 1504 bool installSuccess = SkInstallDiscardablePixelRef( 1505 SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()), &bm); 1506 REPORTER_ASSERT(reporter, installSuccess); 1507 1508 // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. 1509 // Flattening original will follow the old path of performing an encode, while flattening bm 1510 // will use the already encoded data. 1511 SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); 1512 SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); 1513 REPORTER_ASSERT(reporter, picture1->equals(picture2)); 1514 // Now test that a parse error was generated when trying to create a new SkPicture without 1515 // providing a function to decode the bitmap. 1516 ErrorContext context; 1517 context.fErrors = 0; 1518 context.fReporter = reporter; 1519 SkSetErrorCallback(assert_one_parse_error_cb, &context); 1520 SkMemoryStream pictureStream(picture1); 1521 SkClearLastError(); 1522 SkAutoUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); 1523 REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); 1524 SkClearLastError(); 1525 SkSetErrorCallback(NULL, NULL); 1526} 1527 1528static void test_clip_bound_opt(skiatest::Reporter* reporter) { 1529 // Test for crbug.com/229011 1530 SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4), 1531 SkIntToScalar(2), SkIntToScalar(2)); 1532 SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7), 1533 SkIntToScalar(1), SkIntToScalar(1)); 1534 SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6), 1535 SkIntToScalar(1), SkIntToScalar(1)); 1536 1537 SkPath invPath; 1538 invPath.addOval(rect1); 1539 invPath.setFillType(SkPath::kInverseEvenOdd_FillType); 1540 SkPath path; 1541 path.addOval(rect2); 1542 SkPath path2; 1543 path2.addOval(rect3); 1544 SkIRect clipBounds; 1545 SkPictureRecorder recorder; 1546 1547 // Testing conservative-raster-clip that is enabled by PictureRecord 1548 { 1549 SkCanvas* canvas = recorder.beginRecording(10, 10); 1550 canvas->clipPath(invPath, SkRegion::kIntersect_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::kIntersect_Op); 1561 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1562 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1563 REPORTER_ASSERT(reporter, true == nonEmpty); 1564 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1565 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1566 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1567 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1568 } 1569 { 1570 SkCanvas* canvas = recorder.beginRecording(10, 10); 1571 canvas->clipPath(path, SkRegion::kIntersect_Op); 1572 canvas->clipPath(invPath, SkRegion::kUnion_Op); 1573 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1574 REPORTER_ASSERT(reporter, true == nonEmpty); 1575 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1576 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1577 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1578 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1579 } 1580 { 1581 SkCanvas* canvas = recorder.beginRecording(10, 10); 1582 canvas->clipPath(path, SkRegion::kDifference_Op); 1583 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1584 REPORTER_ASSERT(reporter, true == nonEmpty); 1585 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1586 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1587 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1588 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1589 } 1590 { 1591 SkCanvas* canvas = recorder.beginRecording(10, 10); 1592 canvas->clipPath(path, SkRegion::kReverseDifference_Op); 1593 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1594 // True clip is actually empty in this case, but the best 1595 // determination we can make using only bounds as input is that the 1596 // clip is included in the bounds of 'path'. 1597 REPORTER_ASSERT(reporter, true == nonEmpty); 1598 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1599 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1600 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1601 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1602 } 1603 { 1604 SkCanvas* canvas = recorder.beginRecording(10, 10); 1605 canvas->clipPath(path, SkRegion::kIntersect_Op); 1606 canvas->clipPath(path2, SkRegion::kXOR_Op); 1607 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1608 REPORTER_ASSERT(reporter, true == nonEmpty); 1609 REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); 1610 REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); 1611 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1612 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1613 } 1614} 1615 1616/** 1617 * A canvas that records the number of clip commands. 1618 */ 1619class ClipCountingCanvas : public SkCanvas { 1620public: 1621 ClipCountingCanvas(int width, int height) 1622 : INHERITED(width, height) 1623 , fClipCount(0){ 1624 } 1625 1626 virtual void onClipRect(const SkRect& r, 1627 SkRegion::Op op, 1628 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1629 fClipCount += 1; 1630 this->INHERITED::onClipRect(r, op, edgeStyle); 1631 } 1632 1633 virtual void onClipRRect(const SkRRect& rrect, 1634 SkRegion::Op op, 1635 ClipEdgeStyle edgeStyle)SK_OVERRIDE { 1636 fClipCount += 1; 1637 this->INHERITED::onClipRRect(rrect, op, edgeStyle); 1638 } 1639 1640 virtual void onClipPath(const SkPath& path, 1641 SkRegion::Op op, 1642 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1643 fClipCount += 1; 1644 this->INHERITED::onClipPath(path, op, edgeStyle); 1645 } 1646 1647 virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE { 1648 fClipCount += 1; 1649 this->INHERITED::onClipRegion(deviceRgn, op); 1650 } 1651 1652 unsigned getClipCount() const { return fClipCount; } 1653 1654private: 1655 unsigned fClipCount; 1656 1657 typedef SkCanvas INHERITED; 1658}; 1659 1660static void test_clip_expansion(skiatest::Reporter* reporter) { 1661 SkPictureRecorder recorder; 1662 SkCanvas* canvas = recorder.beginRecording(10, 10); 1663 1664 canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op); 1665 // The following expanding clip should not be skipped. 1666 canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); 1667 // Draw something so the optimizer doesn't just fold the world. 1668 SkPaint p; 1669 p.setColor(SK_ColorBLUE); 1670 canvas->drawPaint(p); 1671 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1672 1673 ClipCountingCanvas testCanvas(10, 10); 1674 picture->playback(&testCanvas); 1675 1676 // Both clips should be present on playback. 1677 REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); 1678} 1679 1680static void test_hierarchical(skiatest::Reporter* reporter) { 1681 SkBitmap bm; 1682 make_bm(&bm, 10, 10, SK_ColorRED, true); 1683 1684 SkPictureRecorder recorder; 1685 1686 recorder.beginRecording(10, 10); 1687 SkAutoTUnref<SkPicture> childPlain(recorder.endRecording()); 1688 REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 1689 1690 recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); 1691 SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); 1692 REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 1693 1694 { 1695 SkCanvas* canvas = recorder.beginRecording(10, 10); 1696 canvas->drawPicture(childPlain); 1697 SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); 1698 REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 1699 } 1700 { 1701 SkCanvas* canvas = recorder.beginRecording(10, 10); 1702 canvas->drawPicture(childWithBitmap); 1703 SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); 1704 REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 1705 } 1706 { 1707 SkCanvas* canvas = recorder.beginRecording(10, 10); 1708 canvas->drawBitmap(bm, 0, 0); 1709 canvas->drawPicture(childPlain); 1710 SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); 1711 REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 1712 } 1713 { 1714 SkCanvas* canvas = recorder.beginRecording(10, 10); 1715 canvas->drawBitmap(bm, 0, 0); 1716 canvas->drawPicture(childWithBitmap); 1717 SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); 1718 REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 1719 } 1720} 1721 1722static void test_gen_id(skiatest::Reporter* reporter) { 1723 1724 SkPictureRecorder recorder; 1725 recorder.beginRecording(0, 0); 1726 SkAutoTUnref<SkPicture> empty(recorder.endRecording()); 1727 1728 // Empty pictures should still have a valid ID 1729 REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID); 1730 1731 SkCanvas* canvas = recorder.beginRecording(1, 1); 1732 canvas->drawARGB(255, 255, 255, 255); 1733 SkAutoTUnref<SkPicture> hasData(recorder.endRecording()); 1734 // picture should have a non-zero id after recording 1735 REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID); 1736 1737 // both pictures should have different ids 1738 REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID()); 1739} 1740 1741DEF_TEST(Picture, reporter) { 1742#ifdef SK_DEBUG 1743 test_deleting_empty_picture(); 1744 test_serializing_empty_picture(); 1745#else 1746 test_bad_bitmap(); 1747#endif 1748 test_unbalanced_save_restores(reporter); 1749 test_peephole(); 1750#if SK_SUPPORT_GPU 1751 test_gpu_veto(reporter); 1752#endif 1753 test_has_text(reporter); 1754 test_analysis(reporter); 1755 test_gatherpixelrefs(reporter); 1756 test_gatherpixelrefsandrects(reporter); 1757 test_bitmap_with_encoded_data(reporter); 1758 test_clip_bound_opt(reporter); 1759 test_clip_expansion(reporter); 1760 test_hierarchical(reporter); 1761 test_gen_id(reporter); 1762} 1763 1764#if SK_SUPPORT_GPU 1765DEF_GPUTEST(GPUPicture, reporter, factory) { 1766 test_gpu_picture_optimization(reporter, factory); 1767} 1768#endif 1769 1770static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) { 1771 const SkPaint paint; 1772 const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f }; 1773 const SkIRect irect = { 2, 2, 3, 3 }; 1774 1775 // Don't care what these record, as long as they're legal. 1776 canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); 1777 canvas->drawBitmapRectToRect(bitmap, &rect, rect, &paint, SkCanvas::kNone_DrawBitmapRectFlag); 1778 canvas->drawBitmapMatrix(bitmap, SkMatrix::I(), &paint); 1779 canvas->drawBitmapNine(bitmap, irect, rect, &paint); 1780 canvas->drawSprite(bitmap, 1, 1); 1781} 1782 1783static void test_draw_bitmaps(SkCanvas* canvas) { 1784 SkBitmap empty; 1785 draw_bitmaps(empty, canvas); 1786 empty.setInfo(SkImageInfo::MakeN32Premul(10, 10)); 1787 draw_bitmaps(empty, canvas); 1788} 1789 1790DEF_TEST(Picture_EmptyBitmap, r) { 1791 SkPictureRecorder recorder; 1792 test_draw_bitmaps(recorder.beginRecording(10, 10)); 1793 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1794} 1795 1796DEF_TEST(Canvas_EmptyBitmap, r) { 1797 SkBitmap dst; 1798 dst.allocN32Pixels(10, 10); 1799 SkCanvas canvas(dst); 1800 1801 test_draw_bitmaps(&canvas); 1802} 1803 1804DEF_TEST(DontOptimizeSaveLayerDrawDrawRestore, reporter) { 1805 // This test is from crbug.com/344987. 1806 // The commands are: 1807 // saveLayer with paint that modifies alpha 1808 // drawBitmapRectToRect 1809 // drawBitmapRectToRect 1810 // restore 1811 // The bug was that this structure was modified so that: 1812 // - The saveLayer and restore were eliminated 1813 // - The alpha was only applied to the first drawBitmapRectToRect 1814 1815 // This test draws blue and red squares inside a 50% transparent 1816 // layer. Both colours should show up muted. 1817 // When the bug is present, the red square (the second bitmap) 1818 // shows upwith full opacity. 1819 1820 SkBitmap blueBM; 1821 make_bm(&blueBM, 100, 100, SkColorSetARGB(255, 0, 0, 255), true); 1822 SkBitmap redBM; 1823 make_bm(&redBM, 100, 100, SkColorSetARGB(255, 255, 0, 0), true); 1824 SkPaint semiTransparent; 1825 semiTransparent.setAlpha(0x80); 1826 1827 SkPictureRecorder recorder; 1828 SkCanvas* canvas = recorder.beginRecording(100, 100); 1829 canvas->drawARGB(0, 0, 0, 0); 1830 1831 canvas->saveLayer(0, &semiTransparent); 1832 canvas->drawBitmap(blueBM, 25, 25); 1833 canvas->drawBitmap(redBM, 50, 50); 1834 canvas->restore(); 1835 1836 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1837 1838 // Now replay the picture back on another canvas 1839 // and check a couple of its pixels. 1840 SkBitmap replayBM; 1841 make_bm(&replayBM, 100, 100, SK_ColorBLACK, false); 1842 SkCanvas replayCanvas(replayBM); 1843 picture->playback(&replayCanvas); 1844 replayCanvas.flush(); 1845 1846 // With the bug present, at (55, 55) we would get a fully opaque red 1847 // intead of a dark red. 1848 REPORTER_ASSERT(reporter, replayBM.getColor(30, 30) == 0xff000080); 1849 REPORTER_ASSERT(reporter, replayBM.getColor(55, 55) == 0xff800000); 1850} 1851 1852struct CountingBBH : public SkBBoxHierarchy { 1853 mutable int searchCalls; 1854 1855 CountingBBH() : searchCalls(0) {} 1856 1857 virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const SK_OVERRIDE { 1858 this->searchCalls++; 1859 } 1860 1861 virtual void insert(SkAutoTMalloc<SkRect>*, int) SK_OVERRIDE {} 1862}; 1863 1864class SpoonFedBBHFactory : public SkBBHFactory { 1865public: 1866 explicit SpoonFedBBHFactory(SkBBoxHierarchy* bbh) : fBBH(bbh) {} 1867 virtual SkBBoxHierarchy* operator()(int width, int height) const { 1868 return SkRef(fBBH); 1869 } 1870private: 1871 SkBBoxHierarchy* fBBH; 1872}; 1873 1874// When the canvas clip covers the full picture, we don't need to call the BBH. 1875DEF_TEST(Picture_SkipBBH, r) { 1876 CountingBBH bbh; 1877 SpoonFedBBHFactory factory(&bbh); 1878 1879 SkPictureRecorder recorder; 1880 recorder.beginRecording(320, 240, &factory); 1881 SkAutoTUnref<const SkPicture> picture(recorder.endRecording()); 1882 1883 SkCanvas big(640, 480), small(300, 200); 1884 1885 picture->playback(&big); 1886 REPORTER_ASSERT(r, bbh.searchCalls == 0); 1887 1888 picture->playback(&small); 1889 REPORTER_ASSERT(r, bbh.searchCalls == 1); 1890} 1891 1892DEF_TEST(Picture_BitmapLeak, r) { 1893 SkBitmap mut, immut; 1894 mut.allocN32Pixels(300, 200); 1895 immut.allocN32Pixels(300, 200); 1896 immut.setImmutable(); 1897 SkASSERT(!mut.isImmutable()); 1898 SkASSERT(immut.isImmutable()); 1899 1900 // No one can hold a ref on our pixels yet. 1901 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1902 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1903 1904 SkPictureRecorder rec; 1905 SkCanvas* canvas = rec.beginRecording(1920, 1200); 1906 canvas->drawBitmap(mut, 0, 0); 1907 canvas->drawBitmap(immut, 800, 600); 1908 SkAutoTDelete<const SkPicture> pic(rec.endRecording()); 1909 1910 // The picture shares the immutable pixels but copies the mutable ones. 1911 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1912 REPORTER_ASSERT(r, !immut.pixelRef()->unique()); 1913 1914 // When the picture goes away, it's just our bitmaps holding the refs. 1915 pic.reset(NULL); 1916 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1917 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1918} 1919