PictureTest.cpp revision 208d1704c2cc1161ea337a05155f2b9a04edd351
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 "SkColorPriv.h" 12#include "SkDashPathEffect.h" 13#include "SkData.h" 14#include "SkDecodingImageGenerator.h" 15#include "SkError.h" 16#include "SkImageEncoder.h" 17#include "SkImageGenerator.h" 18#include "SkPaint.h" 19#include "SkPicture.h" 20#include "SkPictureRecorder.h" 21#include "SkPictureUtils.h" 22#include "SkPixelRef.h" 23#include "SkRRect.h" 24#include "SkRandom.h" 25#include "SkShader.h" 26#include "SkStream.h" 27 28#if SK_SUPPORT_GPU 29#include "SkSurface.h" 30#include "GrContextFactory.h" 31#include "GrPictureUtils.h" 32#endif 33#include "Test.h" 34 35#include "SkLumaColorFilter.h" 36#include "SkColorFilterImageFilter.h" 37 38static const int gColorScale = 30; 39static const int gColorOffset = 60; 40 41static void make_bm(SkBitmap* bm, int w, int h, SkColor color, bool immutable) { 42 bm->allocN32Pixels(w, h); 43 bm->eraseColor(color); 44 if (immutable) { 45 bm->setImmutable(); 46 } 47} 48 49static void make_checkerboard(SkBitmap* bm, int w, int h, bool immutable) { 50 SkASSERT(w % 2 == 0); 51 SkASSERT(h % 2 == 0); 52 bm->allocPixels(SkImageInfo::Make(w, h, kAlpha_8_SkColorType, 53 kPremul_SkAlphaType)); 54 SkAutoLockPixels lock(*bm); 55 for (int y = 0; y < h; y += 2) { 56 uint8_t* s = bm->getAddr8(0, y); 57 for (int x = 0; x < w; x += 2) { 58 *s++ = 0xFF; 59 *s++ = 0x00; 60 } 61 s = bm->getAddr8(0, y + 1); 62 for (int x = 0; x < w; x += 2) { 63 *s++ = 0x00; 64 *s++ = 0xFF; 65 } 66 } 67 if (immutable) { 68 bm->setImmutable(); 69 } 70} 71 72static void init_paint(SkPaint* paint, const SkBitmap &bm) { 73 SkShader* shader = SkShader::CreateBitmapShader(bm, 74 SkShader::kClamp_TileMode, 75 SkShader::kClamp_TileMode); 76 paint->setShader(shader)->unref(); 77} 78 79typedef void (*DrawBitmapProc)(SkCanvas*, const SkBitmap&, 80 const SkBitmap&, const SkPoint&, 81 SkTDArray<SkPixelRef*>* usedPixRefs); 82 83static void drawpaint_proc(SkCanvas* canvas, const SkBitmap& bm, 84 const SkBitmap& altBM, const SkPoint& pos, 85 SkTDArray<SkPixelRef*>* usedPixRefs) { 86 SkPaint paint; 87 init_paint(&paint, bm); 88 89 canvas->drawPaint(paint); 90 *usedPixRefs->append() = bm.pixelRef(); 91} 92 93static void drawpoints_proc(SkCanvas* canvas, const SkBitmap& bm, 94 const SkBitmap& altBM, const SkPoint& pos, 95 SkTDArray<SkPixelRef*>* usedPixRefs) { 96 SkPaint paint; 97 init_paint(&paint, bm); 98 99 // draw a rect 100 SkPoint points[5] = { 101 { pos.fX, pos.fY }, 102 { pos.fX + bm.width() - 1, pos.fY }, 103 { pos.fX + bm.width() - 1, pos.fY + bm.height() - 1 }, 104 { pos.fX, pos.fY + bm.height() - 1 }, 105 { pos.fX, pos.fY }, 106 }; 107 108 canvas->drawPoints(SkCanvas::kPolygon_PointMode, 5, points, paint); 109 *usedPixRefs->append() = bm.pixelRef(); 110} 111 112static void drawrect_proc(SkCanvas* canvas, const SkBitmap& bm, 113 const SkBitmap& altBM, const SkPoint& pos, 114 SkTDArray<SkPixelRef*>* usedPixRefs) { 115 SkPaint paint; 116 init_paint(&paint, bm); 117 118 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 119 r.offset(pos.fX, pos.fY); 120 121 canvas->drawRect(r, paint); 122 *usedPixRefs->append() = bm.pixelRef(); 123} 124 125static void drawoval_proc(SkCanvas* canvas, const SkBitmap& bm, 126 const SkBitmap& altBM, const SkPoint& pos, 127 SkTDArray<SkPixelRef*>* usedPixRefs) { 128 SkPaint paint; 129 init_paint(&paint, bm); 130 131 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 132 r.offset(pos.fX, pos.fY); 133 134 canvas->drawOval(r, paint); 135 *usedPixRefs->append() = bm.pixelRef(); 136} 137 138static void drawrrect_proc(SkCanvas* canvas, const SkBitmap& bm, 139 const SkBitmap& altBM, const SkPoint& pos, 140 SkTDArray<SkPixelRef*>* usedPixRefs) { 141 SkPaint paint; 142 init_paint(&paint, bm); 143 144 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 145 r.offset(pos.fX, pos.fY); 146 147 SkRRect rr; 148 rr.setRectXY(r, SkIntToScalar(bm.width())/4, SkIntToScalar(bm.height())/4); 149 canvas->drawRRect(rr, paint); 150 *usedPixRefs->append() = bm.pixelRef(); 151} 152 153static void drawpath_proc(SkCanvas* canvas, const SkBitmap& bm, 154 const SkBitmap& altBM, const SkPoint& pos, 155 SkTDArray<SkPixelRef*>* usedPixRefs) { 156 SkPaint paint; 157 init_paint(&paint, bm); 158 159 SkPath path; 160 path.lineTo(bm.width()/2.0f, SkIntToScalar(bm.height())); 161 path.lineTo(SkIntToScalar(bm.width()), 0); 162 path.close(); 163 path.offset(pos.fX, pos.fY); 164 165 canvas->drawPath(path, paint); 166 *usedPixRefs->append() = bm.pixelRef(); 167} 168 169static void drawbitmap_proc(SkCanvas* canvas, const SkBitmap& bm, 170 const SkBitmap& altBM, const SkPoint& pos, 171 SkTDArray<SkPixelRef*>* usedPixRefs) { 172 canvas->drawBitmap(bm, pos.fX, pos.fY, NULL); 173 *usedPixRefs->append() = bm.pixelRef(); 174} 175 176static void drawbitmap_withshader_proc(SkCanvas* canvas, const SkBitmap& bm, 177 const SkBitmap& altBM, const SkPoint& pos, 178 SkTDArray<SkPixelRef*>* usedPixRefs) { 179 SkPaint paint; 180 init_paint(&paint, bm); 181 182 // The bitmap in the paint is ignored unless we're drawing an A8 bitmap 183 canvas->drawBitmap(altBM, pos.fX, pos.fY, &paint); 184 *usedPixRefs->append() = bm.pixelRef(); 185 *usedPixRefs->append() = altBM.pixelRef(); 186} 187 188static void drawsprite_proc(SkCanvas* canvas, const SkBitmap& bm, 189 const SkBitmap& altBM, const SkPoint& pos, 190 SkTDArray<SkPixelRef*>* usedPixRefs) { 191 const SkMatrix& ctm = canvas->getTotalMatrix(); 192 193 SkPoint p(pos); 194 ctm.mapPoints(&p, 1); 195 196 canvas->drawSprite(bm, (int)p.fX, (int)p.fY, NULL); 197 *usedPixRefs->append() = bm.pixelRef(); 198} 199 200#if 0 201// Although specifiable, this case doesn't seem to make sense (i.e., the 202// bitmap in the shader is never used). 203static void drawsprite_withshader_proc(SkCanvas* canvas, const SkBitmap& bm, 204 const SkBitmap& altBM, const SkPoint& pos, 205 SkTDArray<SkPixelRef*>* usedPixRefs) { 206 SkPaint paint; 207 init_paint(&paint, bm); 208 209 const SkMatrix& ctm = canvas->getTotalMatrix(); 210 211 SkPoint p(pos); 212 ctm.mapPoints(&p, 1); 213 214 canvas->drawSprite(altBM, (int)p.fX, (int)p.fY, &paint); 215 *usedPixRefs->append() = bm.pixelRef(); 216 *usedPixRefs->append() = altBM.pixelRef(); 217} 218#endif 219 220static void drawbitmaprect_proc(SkCanvas* canvas, const SkBitmap& bm, 221 const SkBitmap& altBM, const SkPoint& pos, 222 SkTDArray<SkPixelRef*>* usedPixRefs) { 223 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 224 225 r.offset(pos.fX, pos.fY); 226 canvas->drawBitmapRectToRect(bm, NULL, r, NULL); 227 *usedPixRefs->append() = bm.pixelRef(); 228} 229 230static void drawbitmaprect_withshader_proc(SkCanvas* canvas, 231 const SkBitmap& bm, 232 const SkBitmap& altBM, 233 const SkPoint& pos, 234 SkTDArray<SkPixelRef*>* usedPixRefs) { 235 SkPaint paint; 236 init_paint(&paint, bm); 237 238 SkRect r = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }; 239 r.offset(pos.fX, pos.fY); 240 241 // The bitmap in the paint is ignored unless we're drawing an A8 bitmap 242 canvas->drawBitmapRectToRect(altBM, NULL, r, &paint); 243 *usedPixRefs->append() = bm.pixelRef(); 244 *usedPixRefs->append() = altBM.pixelRef(); 245} 246 247static void drawtext_proc(SkCanvas* canvas, const SkBitmap& bm, 248 const SkBitmap& altBM, const SkPoint& pos, 249 SkTDArray<SkPixelRef*>* usedPixRefs) { 250 SkPaint paint; 251 init_paint(&paint, bm); 252 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 253 254 canvas->drawText("0", 1, pos.fX, pos.fY+bm.width(), paint); 255 *usedPixRefs->append() = bm.pixelRef(); 256} 257 258static void drawpostext_proc(SkCanvas* canvas, const SkBitmap& bm, 259 const SkBitmap& altBM, const SkPoint& pos, 260 SkTDArray<SkPixelRef*>* usedPixRefs) { 261 SkPaint paint; 262 init_paint(&paint, bm); 263 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 264 265 SkPoint point = { pos.fX, pos.fY + bm.height() }; 266 canvas->drawPosText("O", 1, &point, paint); 267 *usedPixRefs->append() = bm.pixelRef(); 268} 269 270static void drawtextonpath_proc(SkCanvas* canvas, const SkBitmap& bm, 271 const SkBitmap& altBM, const SkPoint& pos, 272 SkTDArray<SkPixelRef*>* usedPixRefs) { 273 SkPaint paint; 274 275 init_paint(&paint, bm); 276 paint.setTextSize(SkIntToScalar(1.5*bm.width())); 277 278 SkPath path; 279 path.lineTo(SkIntToScalar(bm.width()), 0); 280 path.offset(pos.fX, pos.fY+bm.height()); 281 282 canvas->drawTextOnPath("O", 1, path, NULL, paint); 283 *usedPixRefs->append() = bm.pixelRef(); 284} 285 286static void drawverts_proc(SkCanvas* canvas, const SkBitmap& bm, 287 const SkBitmap& altBM, const SkPoint& pos, 288 SkTDArray<SkPixelRef*>* usedPixRefs) { 289 SkPaint paint; 290 init_paint(&paint, bm); 291 292 SkPoint verts[4] = { 293 { pos.fX, pos.fY }, 294 { pos.fX + bm.width(), pos.fY }, 295 { pos.fX + bm.width(), pos.fY + bm.height() }, 296 { pos.fX, pos.fY + bm.height() } 297 }; 298 SkPoint texs[4] = { { 0, 0 }, 299 { SkIntToScalar(bm.width()), 0 }, 300 { SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) }, 301 { 0, SkIntToScalar(bm.height()) } }; 302 uint16_t indices[6] = { 0, 1, 2, 0, 2, 3 }; 303 304 canvas->drawVertices(SkCanvas::kTriangles_VertexMode, 4, verts, texs, NULL, NULL, 305 indices, 6, paint); 306 *usedPixRefs->append() = bm.pixelRef(); 307} 308 309// Return a picture with the bitmaps drawn at the specified positions. 310static SkPicture* record_bitmaps(const SkBitmap bm[], 311 const SkPoint pos[], 312 SkTDArray<SkPixelRef*> analytic[], 313 int count, 314 DrawBitmapProc proc) { 315 SkPictureRecorder recorder; 316 SkCanvas* canvas = recorder.beginRecording(1000, 1000); 317 for (int i = 0; i < count; ++i) { 318 analytic[i].rewind(); 319 canvas->save(); 320 SkRect clipRect = SkRect::MakeXYWH(pos[i].fX, pos[i].fY, 321 SkIntToScalar(bm[i].width()), 322 SkIntToScalar(bm[i].height())); 323 canvas->clipRect(clipRect, SkRegion::kIntersect_Op); 324 proc(canvas, bm[i], bm[count+i], pos[i], &analytic[i]); 325 canvas->restore(); 326 } 327 return recorder.endRecording(); 328} 329 330static void rand_rect(SkRect* rect, SkRandom& rand, SkScalar W, SkScalar H) { 331 rect->fLeft = rand.nextRangeScalar(-W, 2*W); 332 rect->fTop = rand.nextRangeScalar(-H, 2*H); 333 rect->fRight = rect->fLeft + rand.nextRangeScalar(0, W); 334 rect->fBottom = rect->fTop + rand.nextRangeScalar(0, H); 335 336 // we integralize rect to make our tests more predictable, since Gather is 337 // a little sloppy. 338 SkIRect ir; 339 rect->round(&ir); 340 rect->set(ir); 341} 342 343static void draw(SkPicture* pic, int width, int height, SkBitmap* result) { 344 make_bm(result, width, height, SK_ColorBLACK, false); 345 346 SkCanvas canvas(*result); 347 canvas.drawPicture(pic); 348} 349 350template <typename T> int find_index(const T* array, T elem, int count) { 351 for (int i = 0; i < count; ++i) { 352 if (array[i] == elem) { 353 return i; 354 } 355 } 356 return -1; 357} 358 359// Return true if 'ref' is found in array[] 360static bool find(SkPixelRef const * const * array, SkPixelRef const * ref, int count) { 361 return find_index<const SkPixelRef*>(array, ref, count) >= 0; 362} 363 364// Look at each pixel that is inside 'subset', and if its color appears in 365// colors[], find the corresponding value in refs[] and append that ref into 366// array, skipping duplicates of the same value. 367// Note that gathering pixelRefs from rendered colors suffers from the problem 368// that multiple simultaneous textures (e.g., A8 for alpha and 8888 for color) 369// isn't easy to reconstruct. 370static void gather_from_image(const SkBitmap& bm, SkPixelRef* const refs[], 371 int count, SkTDArray<SkPixelRef*>* array, 372 const SkRect& subset) { 373 SkIRect ir; 374 subset.roundOut(&ir); 375 376 if (!ir.intersect(0, 0, bm.width()-1, bm.height()-1)) { 377 return; 378 } 379 380 // Since we only want to return unique values in array, when we scan we just 381 // set a bit for each index'd color found. In practice we only have a few 382 // distinct colors, so we just use an int's bits as our array. Hence the 383 // assert that count <= number-of-bits-in-our-int. 384 SkASSERT((unsigned)count <= 32); 385 uint32_t bitarray = 0; 386 387 SkAutoLockPixels alp(bm); 388 389 for (int y = ir.fTop; y < ir.fBottom; ++y) { 390 for (int x = ir.fLeft; x < ir.fRight; ++x) { 391 SkPMColor pmc = *bm.getAddr32(x, y); 392 // the only good case where the color is not found would be if 393 // the color is transparent, meaning no bitmap was drawn in that 394 // pixel. 395 if (pmc) { 396 uint32_t index = SkGetPackedR32(pmc); 397 SkASSERT(SkGetPackedG32(pmc) == index); 398 SkASSERT(SkGetPackedB32(pmc) == index); 399 if (0 == index) { 400 continue; // background color 401 } 402 SkASSERT(0 == (index - gColorOffset) % gColorScale); 403 index = (index - gColorOffset) / gColorScale; 404 SkASSERT(static_cast<int>(index) < count); 405 bitarray |= 1 << index; 406 } 407 } 408 } 409 410 for (int i = 0; i < count; ++i) { 411 if (bitarray & (1 << i)) { 412 *array->append() = refs[i]; 413 } 414 } 415} 416 417static void gather_from_analytic(const SkPoint pos[], SkScalar w, SkScalar h, 418 const SkTDArray<SkPixelRef*> analytic[], 419 int count, 420 SkTDArray<SkPixelRef*>* result, 421 const SkRect& subset) { 422 for (int i = 0; i < count; ++i) { 423 SkRect rect = SkRect::MakeXYWH(pos[i].fX, pos[i].fY, w, h); 424 425 if (SkRect::Intersects(subset, rect)) { 426 result->append(analytic[i].count(), analytic[i].begin()); 427 } 428 } 429} 430 431 432static const struct { 433 const DrawBitmapProc proc; 434 const char* const desc; 435} gProcs[] = { 436 {drawpaint_proc, "drawpaint"}, 437 {drawpoints_proc, "drawpoints"}, 438 {drawrect_proc, "drawrect"}, 439 {drawoval_proc, "drawoval"}, 440 {drawrrect_proc, "drawrrect"}, 441 {drawpath_proc, "drawpath"}, 442 {drawbitmap_proc, "drawbitmap"}, 443 {drawbitmap_withshader_proc, "drawbitmap_withshader"}, 444 {drawsprite_proc, "drawsprite"}, 445#if 0 446 {drawsprite_withshader_proc, "drawsprite_withshader"}, 447#endif 448 {drawbitmaprect_proc, "drawbitmaprect"}, 449 {drawbitmaprect_withshader_proc, "drawbitmaprect_withshader"}, 450 {drawtext_proc, "drawtext"}, 451 {drawpostext_proc, "drawpostext"}, 452 {drawtextonpath_proc, "drawtextonpath"}, 453 {drawverts_proc, "drawverts"}, 454}; 455 456static void create_textures(SkBitmap* bm, SkPixelRef** refs, int num, int w, int h) { 457 // Our convention is that the color components contain an encoding of 458 // the index of their corresponding bitmap/pixelref. (0,0,0,0) is 459 // reserved for the background 460 for (int i = 0; i < num; ++i) { 461 make_bm(&bm[i], w, h, 462 SkColorSetARGB(0xFF, 463 gColorScale*i+gColorOffset, 464 gColorScale*i+gColorOffset, 465 gColorScale*i+gColorOffset), 466 true); 467 refs[i] = bm[i].pixelRef(); 468 } 469 470 // The A8 alternate bitmaps are all BW checkerboards 471 for (int i = 0; i < num; ++i) { 472 make_checkerboard(&bm[num+i], w, h, true); 473 refs[num+i] = bm[num+i].pixelRef(); 474 } 475} 476 477static void test_gatherpixelrefs(skiatest::Reporter* reporter) { 478 const int IW = 32; 479 const int IH = IW; 480 const SkScalar W = SkIntToScalar(IW); 481 const SkScalar H = W; 482 483 static const int N = 4; 484 SkBitmap bm[2*N]; 485 SkPixelRef* refs[2*N]; 486 SkTDArray<SkPixelRef*> analytic[N]; 487 488 const SkPoint pos[N] = { 489 { 0, 0 }, { W, 0 }, { 0, H }, { W, H } 490 }; 491 492 create_textures(bm, refs, N, IW, IH); 493 494 SkRandom rand; 495 for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { 496 SkAutoTUnref<SkPicture> pic( 497 record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); 498 499 REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); 500 // quick check for a small piece of each quadrant, which should just 501 // contain 1 or 2 bitmaps. 502 for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) { 503 SkRect r; 504 r.set(2, 2, W - 2, H - 2); 505 r.offset(pos[i].fX, pos[i].fY); 506 SkAutoDataUnref data(SkPictureUtils::GatherPixelRefs(pic, r)); 507 if (!data) { 508 ERRORF(reporter, "SkPictureUtils::GatherPixelRefs returned " 509 "NULL for %s.", gProcs[k].desc); 510 continue; 511 } 512 SkPixelRef** gatheredRefs = (SkPixelRef**)data->data(); 513 int count = static_cast<int>(data->size() / sizeof(SkPixelRef*)); 514 REPORTER_ASSERT(reporter, 1 == count || 2 == count); 515 if (1 == count) { 516 REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); 517 } else if (2 == count) { 518 REPORTER_ASSERT(reporter, 519 (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || 520 (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); 521 } 522 } 523 524 SkBitmap image; 525 draw(pic, 2*IW, 2*IH, &image); 526 527 // Test a bunch of random (mostly) rects, and compare the gather results 528 // with a deduced list of refs by looking at the colors drawn. 529 for (int j = 0; j < 100; ++j) { 530 SkRect r; 531 rand_rect(&r, rand, 2*W, 2*H); 532 533 SkTDArray<SkPixelRef*> fromImage; 534 gather_from_image(image, refs, N, &fromImage, r); 535 536 SkTDArray<SkPixelRef*> fromAnalytic; 537 gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); 538 539 SkData* data = SkPictureUtils::GatherPixelRefs(pic, r); 540 size_t dataSize = data ? data->size() : 0; 541 int gatherCount = static_cast<int>(dataSize / sizeof(SkPixelRef*)); 542 SkASSERT(gatherCount * sizeof(SkPixelRef*) == dataSize); 543 SkPixelRef** gatherRefs = data ? (SkPixelRef**)(data->data()) : NULL; 544 SkAutoDataUnref adu(data); 545 546 // Everything that we saw drawn should appear in the analytic list 547 // but the analytic list may contain some pixelRefs that were not 548 // seen in the image (e.g., A8 textures used as masks) 549 for (int i = 0; i < fromImage.count(); ++i) { 550 if (-1 == fromAnalytic.find(fromImage[i])) { 551 ERRORF(reporter, "PixelRef missing %d %s", 552 i, gProcs[k].desc); 553 } 554 } 555 556 /* 557 * GatherPixelRefs is conservative, so it can return more bitmaps 558 * than are strictly required. Thus our check here is only that 559 * Gather didn't miss any that we actually needed. Even that isn't 560 * a strict requirement on Gather, which is meant to be quick and 561 * only mostly-correct, but at the moment this test should work. 562 */ 563 for (int i = 0; i < fromAnalytic.count(); ++i) { 564 bool found = find(gatherRefs, fromAnalytic[i], gatherCount); 565 if (!found) { 566 ERRORF(reporter, "PixelRef missing %d %s", 567 i, gProcs[k].desc); 568 } 569#if 0 570 // enable this block of code to debug failures, as it will rerun 571 // the case that failed. 572 if (!found) { 573 SkData* data = SkPictureUtils::GatherPixelRefs(pic, r); 574 size_t dataSize = data ? data->size() : 0; 575 } 576#endif 577 } 578 } 579 } 580} 581 582/* Hit a few SkPicture::Analysis cases not handled elsewhere. */ 583static void test_analysis(skiatest::Reporter* reporter) { 584 SkPictureRecorder recorder; 585 586 SkCanvas* canvas = recorder.beginRecording(100, 100); 587 { 588 canvas->drawRect(SkRect::MakeWH(10, 10), SkPaint ()); 589 } 590 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 591 REPORTER_ASSERT(reporter, !picture->willPlayBackBitmaps()); 592 593 canvas = recorder.beginRecording(100, 100); 594 { 595 SkPaint paint; 596 // CreateBitmapShader is too smart for us; an empty (or 1x1) bitmap shader 597 // gets optimized into a non-bitmap form, so we create a 2x2 bitmap here. 598 SkBitmap bitmap; 599 bitmap.allocPixels(SkImageInfo::MakeN32Premul(2, 2)); 600 bitmap.eraseColor(SK_ColorBLUE); 601 *(bitmap.getAddr32(0, 0)) = SK_ColorGREEN; 602 SkShader* shader = SkShader::CreateBitmapShader(bitmap, SkShader::kClamp_TileMode, 603 SkShader::kClamp_TileMode); 604 paint.setShader(shader)->unref(); 605 REPORTER_ASSERT(reporter, 606 shader->asABitmap(NULL, NULL, NULL) == SkShader::kDefault_BitmapType); 607 608 canvas->drawRect(SkRect::MakeWH(10, 10), paint); 609 } 610 picture.reset(recorder.endRecording()); 611 REPORTER_ASSERT(reporter, picture->willPlayBackBitmaps()); 612} 613 614 615static void test_gatherpixelrefsandrects(skiatest::Reporter* reporter) { 616 const int IW = 32; 617 const int IH = IW; 618 const SkScalar W = SkIntToScalar(IW); 619 const SkScalar H = W; 620 621 static const int N = 4; 622 SkBitmap bm[2*N]; 623 SkPixelRef* refs[2*N]; 624 SkTDArray<SkPixelRef*> analytic[N]; 625 626 const SkPoint pos[N] = { 627 { 0, 0 }, { W, 0 }, { 0, H }, { W, H } 628 }; 629 630 create_textures(bm, refs, N, IW, IH); 631 632 SkRandom rand; 633 for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { 634 SkAutoTUnref<SkPicture> pic( 635 record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); 636 637 REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); 638 639 SkAutoTUnref<SkPictureUtils::SkPixelRefContainer> prCont( 640 new SkPictureUtils::SkPixelRefsAndRectsList); 641 642 SkPictureUtils::GatherPixelRefsAndRects(pic, prCont); 643 644 // quick check for a small piece of each quadrant, which should just 645 // contain 1 or 2 bitmaps. 646 for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) { 647 SkRect r; 648 r.set(2, 2, W - 2, H - 2); 649 r.offset(pos[i].fX, pos[i].fY); 650 651 SkTDArray<SkPixelRef*> gatheredRefs; 652 prCont->query(r, &gatheredRefs); 653 654 int count = gatheredRefs.count(); 655 REPORTER_ASSERT(reporter, 1 == count || 2 == count); 656 if (1 == count) { 657 REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); 658 } else if (2 == count) { 659 REPORTER_ASSERT(reporter, 660 (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || 661 (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); 662 } 663 } 664 665 SkBitmap image; 666 draw(pic, 2*IW, 2*IH, &image); 667 668 // Test a bunch of random (mostly) rects, and compare the gather results 669 // with the analytic results and the pixel refs seen in a rendering. 670 for (int j = 0; j < 100; ++j) { 671 SkRect r; 672 rand_rect(&r, rand, 2*W, 2*H); 673 674 SkTDArray<SkPixelRef*> fromImage; 675 gather_from_image(image, refs, N, &fromImage, r); 676 677 SkTDArray<SkPixelRef*> fromAnalytic; 678 gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); 679 680 SkTDArray<SkPixelRef*> gatheredRefs; 681 prCont->query(r, &gatheredRefs); 682 683 // Everything that we saw drawn should appear in the analytic list 684 // but the analytic list may contain some pixelRefs that were not 685 // seen in the image (e.g., A8 textures used as masks) 686 for (int i = 0; i < fromImage.count(); ++i) { 687 REPORTER_ASSERT(reporter, -1 != fromAnalytic.find(fromImage[i])); 688 } 689 690 // Everything in the analytic list should appear in the gathered 691 // list. 692 for (int i = 0; i < fromAnalytic.count(); ++i) { 693 REPORTER_ASSERT(reporter, -1 != gatheredRefs.find(fromAnalytic[i])); 694 } 695 } 696 } 697} 698 699#ifdef SK_DEBUG 700// Ensure that deleting an empty SkPicture does not assert. Asserts only fire 701// in debug mode, so only run in debug mode. 702static void test_deleting_empty_picture() { 703 SkPictureRecorder recorder; 704 // Creates an SkPictureRecord 705 recorder.beginRecording(0, 0); 706 // Turns that into an SkPicture 707 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 708 // Ceates a new SkPictureRecord 709 recorder.beginRecording(0, 0); 710} 711 712// Ensure that serializing an empty picture does not assert. Likewise only runs in debug mode. 713static void test_serializing_empty_picture() { 714 SkPictureRecorder recorder; 715 recorder.beginRecording(0, 0); 716 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 717 SkDynamicMemoryWStream stream; 718 picture->serialize(&stream); 719} 720#endif 721 722static void rand_op(SkCanvas* canvas, SkRandom& rand) { 723 SkPaint paint; 724 SkRect rect = SkRect::MakeWH(50, 50); 725 726 SkScalar unit = rand.nextUScalar1(); 727 if (unit <= 0.3) { 728// SkDebugf("save\n"); 729 canvas->save(); 730 } else if (unit <= 0.6) { 731// SkDebugf("restore\n"); 732 canvas->restore(); 733 } else if (unit <= 0.9) { 734// SkDebugf("clip\n"); 735 canvas->clipRect(rect); 736 } else { 737// SkDebugf("draw\n"); 738 canvas->drawPaint(paint); 739 } 740} 741 742#if SK_SUPPORT_GPU 743 744static void test_gpu_veto(skiatest::Reporter* reporter) { 745 SkPictureRecorder recorder; 746 747 SkCanvas* canvas = recorder.beginRecording(100, 100); 748 { 749 SkPath path; 750 path.moveTo(0, 0); 751 path.lineTo(50, 50); 752 753 SkScalar intervals[] = { 1.0f, 1.0f }; 754 SkAutoTUnref<SkDashPathEffect> dash(SkDashPathEffect::Create(intervals, 2, 0)); 755 756 SkPaint paint; 757 paint.setStyle(SkPaint::kStroke_Style); 758 paint.setPathEffect(dash); 759 760 canvas->drawPath(path, paint); 761 } 762 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 763 // path effects currently render an SkPicture undesireable for GPU rendering 764 765 const char *reason = NULL; 766 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL, &reason)); 767 REPORTER_ASSERT(reporter, reason); 768 769 canvas = recorder.beginRecording(100, 100); 770 { 771 SkPath path; 772 773 path.moveTo(0, 0); 774 path.lineTo(0, 50); 775 path.lineTo(25, 25); 776 path.lineTo(50, 50); 777 path.lineTo(50, 0); 778 path.close(); 779 REPORTER_ASSERT(reporter, !path.isConvex()); 780 781 SkPaint paint; 782 paint.setAntiAlias(true); 783 for (int i = 0; i < 50; ++i) { 784 canvas->drawPath(path, paint); 785 } 786 } 787 picture.reset(recorder.endRecording()); 788 // A lot of AA concave paths currently render an SkPicture undesireable for GPU rendering 789 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 790 791 canvas = recorder.beginRecording(100, 100); 792 { 793 SkPath path; 794 795 path.moveTo(0, 0); 796 path.lineTo(0, 50); 797 path.lineTo(25, 25); 798 path.lineTo(50, 50); 799 path.lineTo(50, 0); 800 path.close(); 801 REPORTER_ASSERT(reporter, !path.isConvex()); 802 803 SkPaint paint; 804 paint.setAntiAlias(true); 805 paint.setStyle(SkPaint::kStroke_Style); 806 paint.setStrokeWidth(0); 807 for (int i = 0; i < 50; ++i) { 808 canvas->drawPath(path, paint); 809 } 810 } 811 picture.reset(recorder.endRecording()); 812 // hairline stroked AA concave paths are fine for GPU rendering 813 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 814 815 canvas = recorder.beginRecording(100, 100); 816 { 817 SkPaint paint; 818 SkScalar intervals [] = { 10, 20 }; 819 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); 820 paint.setPathEffect(pe)->unref(); 821 822 SkPoint points [2] = { { 0, 0 }, { 100, 0 } }; 823 canvas->drawPoints(SkCanvas::kLines_PointMode, 2, points, paint); 824 } 825 picture.reset(recorder.endRecording()); 826 // fast-path dashed effects are fine for GPU rendering ... 827 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 828 829 canvas = recorder.beginRecording(100, 100); 830 { 831 SkPaint paint; 832 SkScalar intervals [] = { 10, 20 }; 833 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); 834 paint.setPathEffect(pe)->unref(); 835 836 canvas->drawRect(SkRect::MakeWH(10, 10), paint); 837 } 838 picture.reset(recorder.endRecording()); 839 // ... but only when applied to drawPoint() calls 840 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 841 842 // Nest the previous picture inside a new one. 843 canvas = recorder.beginRecording(100, 100); 844 { 845 canvas->drawPicture(picture.get()); 846 } 847 picture.reset(recorder.endRecording()); 848 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 849} 850 851static void test_gpu_picture_optimization(skiatest::Reporter* reporter, 852 GrContextFactory* factory) { 853 for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) { 854 GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i; 855 856 if (!GrContextFactory::IsRenderingGLContext(glCtxType)) { 857 continue; 858 } 859 860 GrContext* context = factory->get(glCtxType); 861 862 if (NULL == context) { 863 continue; 864 } 865 866 static const int kWidth = 100; 867 static const int kHeight = 100; 868 869 SkAutoTUnref<SkPicture> pict, child; 870 871 { 872 SkPictureRecorder recorder; 873 874 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight)); 875 876 c->saveLayer(NULL, NULL); 877 c->restore(); 878 879 child.reset(recorder.endRecording()); 880 } 881 882 // create a picture with the structure: 883 // 1) 884 // SaveLayer 885 // Restore 886 // 2) 887 // SaveLayer 888 // Translate 889 // SaveLayer w/ bound 890 // Restore 891 // Restore 892 // 3) 893 // SaveLayer w/ copyable paint 894 // Restore 895 // 4) 896 // SaveLayer 897 // DrawPicture (which has a SaveLayer/Restore pair) 898 // Restore 899 // 5) 900 // SaveLayer 901 // DrawPicture with Matrix & Paint (with SaveLayer/Restore pair) 902 // Restore 903 { 904 SkPictureRecorder recorder; 905 906 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), 907 SkIntToScalar(kHeight)); 908 // 1) 909 c->saveLayer(NULL, NULL); // layer #0 910 c->restore(); 911 912 // 2) 913 c->saveLayer(NULL, NULL); // layer #1 914 c->translate(kWidth/2.0f, kHeight/2.0f); 915 SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2); 916 c->saveLayer(&r, NULL); // layer #2 917 c->restore(); 918 c->restore(); 919 920 // 3) 921 { 922 SkPaint p; 923 p.setColor(SK_ColorRED); 924 c->saveLayer(NULL, &p); // layer #3 925 c->restore(); 926 } 927 928 SkPaint layerPaint; 929 layerPaint.setColor(SK_ColorRED); // Non-alpha only to avoid SaveLayerDrawRestoreNooper 930 // 4) 931 { 932 c->saveLayer(NULL, &layerPaint); // layer #4 933 c->drawPicture(child); // layer #5 inside picture 934 c->restore(); 935 } 936 // 5 937 { 938 SkPaint picturePaint; 939 SkMatrix trans; 940 trans.setTranslate(10, 10); 941 942 c->saveLayer(NULL, &layerPaint); // layer #6 943 c->drawPicture(child, &trans, &picturePaint); // layer #7 inside picture 944 c->restore(); 945 } 946 947 pict.reset(recorder.endRecording()); 948 } 949 950 // Now test out the SaveLayer extraction 951 { 952 SkImageInfo info = SkImageInfo::MakeN32Premul(kWidth, kHeight); 953 954 SkAutoTUnref<SkSurface> surface(SkSurface::NewScratchRenderTarget(context, info)); 955 956 SkCanvas* canvas = surface->getCanvas(); 957 958 canvas->EXPERIMENTAL_optimize(pict); 959 960 SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey(); 961 962 const SkPicture::AccelData* data = pict->EXPERIMENTAL_getAccelData(key); 963 REPORTER_ASSERT(reporter, data); 964 965 const GrAccelData *gpuData = static_cast<const GrAccelData*>(data); 966 REPORTER_ASSERT(reporter, 8 == gpuData->numSaveLayers()); 967 968 const GrAccelData::SaveLayerInfo& info0 = gpuData->saveLayerInfo(0); 969 // The parent/child layers appear in reverse order 970 const GrAccelData::SaveLayerInfo& info1 = gpuData->saveLayerInfo(2); 971 const GrAccelData::SaveLayerInfo& info2 = gpuData->saveLayerInfo(1); 972 973 const GrAccelData::SaveLayerInfo& info3 = gpuData->saveLayerInfo(3); 974 975 // The parent/child layers appear in reverse order 976 const GrAccelData::SaveLayerInfo& info4 = gpuData->saveLayerInfo(5); 977 const GrAccelData::SaveLayerInfo& info5 = gpuData->saveLayerInfo(4); 978 979 // The parent/child layers appear in reverse order 980 const GrAccelData::SaveLayerInfo& info6 = gpuData->saveLayerInfo(7); 981 const GrAccelData::SaveLayerInfo& info7 = gpuData->saveLayerInfo(6); 982 983 REPORTER_ASSERT(reporter, info0.fValid); 984 REPORTER_ASSERT(reporter, NULL == info0.fPicture); 985 REPORTER_ASSERT(reporter, kWidth == info0.fSize.fWidth && 986 kHeight == info0.fSize.fHeight); 987 REPORTER_ASSERT(reporter, info0.fOriginXform.isIdentity()); 988 REPORTER_ASSERT(reporter, 0 == info0.fOffset.fX && 0 == info0.fOffset.fY); 989 REPORTER_ASSERT(reporter, NULL == info0.fPaint); 990 REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers); 991 992 REPORTER_ASSERT(reporter, info1.fValid); 993 REPORTER_ASSERT(reporter, NULL == info1.fPicture); 994 REPORTER_ASSERT(reporter, kWidth == info1.fSize.fWidth && 995 kHeight == info1.fSize.fHeight); 996 REPORTER_ASSERT(reporter, info1.fOriginXform.isIdentity()); 997 REPORTER_ASSERT(reporter, 0 == info1.fOffset.fX && 0 == info1.fOffset.fY); 998 REPORTER_ASSERT(reporter, NULL == info1.fPaint); 999 REPORTER_ASSERT(reporter, !info1.fIsNested && 1000 info1.fHasNestedLayers); // has a nested SL 1001 1002 REPORTER_ASSERT(reporter, info2.fValid); 1003 REPORTER_ASSERT(reporter, NULL == info2.fPicture); 1004 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fSize.fWidth && 1005 kHeight/2 == info2.fSize.fHeight); // bound reduces size 1006 REPORTER_ASSERT(reporter, !info2.fOriginXform.isIdentity()); 1007 REPORTER_ASSERT(reporter, kWidth/2 == info2.fOffset.fX && // translated 1008 kHeight/2 == info2.fOffset.fY); 1009 REPORTER_ASSERT(reporter, NULL == info1.fPaint); 1010 REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested 1011 1012 REPORTER_ASSERT(reporter, info3.fValid); 1013 REPORTER_ASSERT(reporter, NULL == info3.fPicture); 1014 REPORTER_ASSERT(reporter, kWidth == info3.fSize.fWidth && 1015 kHeight == info3.fSize.fHeight); 1016 REPORTER_ASSERT(reporter, info3.fOriginXform.isIdentity()); 1017 REPORTER_ASSERT(reporter, 0 == info3.fOffset.fX && 0 == info3.fOffset.fY); 1018 REPORTER_ASSERT(reporter, info3.fPaint); 1019 REPORTER_ASSERT(reporter, !info3.fIsNested && !info3.fHasNestedLayers); 1020 1021 REPORTER_ASSERT(reporter, info4.fValid); 1022 REPORTER_ASSERT(reporter, NULL == info4.fPicture); 1023 REPORTER_ASSERT(reporter, kWidth == info4.fSize.fWidth && 1024 kHeight == info4.fSize.fHeight); 1025 REPORTER_ASSERT(reporter, 0 == info4.fOffset.fX && 0 == info4.fOffset.fY); 1026 REPORTER_ASSERT(reporter, info4.fOriginXform.isIdentity()); 1027 REPORTER_ASSERT(reporter, info4.fPaint); 1028 REPORTER_ASSERT(reporter, !info4.fIsNested && 1029 info4.fHasNestedLayers); // has a nested SL 1030 1031 REPORTER_ASSERT(reporter, info5.fValid); 1032 REPORTER_ASSERT(reporter, child == info5.fPicture); // in a child picture 1033 REPORTER_ASSERT(reporter, kWidth == info5.fSize.fWidth && 1034 kHeight == info5.fSize.fHeight); 1035 REPORTER_ASSERT(reporter, 0 == info5.fOffset.fX && 0 == info5.fOffset.fY); 1036 REPORTER_ASSERT(reporter, info5.fOriginXform.isIdentity()); 1037 REPORTER_ASSERT(reporter, NULL == info5.fPaint); 1038 REPORTER_ASSERT(reporter, info5.fIsNested && !info5.fHasNestedLayers); // is nested 1039 1040 REPORTER_ASSERT(reporter, info6.fValid); 1041 REPORTER_ASSERT(reporter, NULL == info6.fPicture); 1042 REPORTER_ASSERT(reporter, kWidth == info6.fSize.fWidth && 1043 kHeight == info6.fSize.fHeight); 1044 REPORTER_ASSERT(reporter, 0 == info6.fOffset.fX && 0 == info6.fOffset.fY); 1045 REPORTER_ASSERT(reporter, info6.fOriginXform.isIdentity()); 1046 REPORTER_ASSERT(reporter, info6.fPaint); 1047 REPORTER_ASSERT(reporter, !info6.fIsNested && 1048 info6.fHasNestedLayers); // has a nested SL 1049 1050 REPORTER_ASSERT(reporter, info7.fValid); 1051 REPORTER_ASSERT(reporter, child == info7.fPicture); // in a child picture 1052 REPORTER_ASSERT(reporter, kWidth == info7.fSize.fWidth && 1053 kHeight == info7.fSize.fHeight); 1054 REPORTER_ASSERT(reporter, 0 == info7.fOffset.fX && 0 == info7.fOffset.fY); 1055 REPORTER_ASSERT(reporter, info7.fOriginXform.isIdentity()); 1056 REPORTER_ASSERT(reporter, NULL == info7.fPaint); 1057 REPORTER_ASSERT(reporter, info7.fIsNested && !info7.fHasNestedLayers); // is nested 1058 } 1059 } 1060} 1061 1062#endif 1063 1064static void test_has_text(skiatest::Reporter* reporter) { 1065 SkPictureRecorder recorder; 1066 1067 SkCanvas* canvas = recorder.beginRecording(100,100); 1068 { 1069 canvas->drawRect(SkRect::MakeWH(20, 20), SkPaint()); 1070 } 1071 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1072 REPORTER_ASSERT(reporter, !picture->hasText()); 1073 1074 SkPoint point = SkPoint::Make(10, 10); 1075 canvas = recorder.beginRecording(100,100); 1076 { 1077 canvas->drawText("Q", 1, point.fX, point.fY, SkPaint()); 1078 } 1079 picture.reset(recorder.endRecording()); 1080 REPORTER_ASSERT(reporter, picture->hasText()); 1081 1082 canvas = recorder.beginRecording(100,100); 1083 { 1084 canvas->drawPosText("Q", 1, &point, SkPaint()); 1085 } 1086 picture.reset(recorder.endRecording()); 1087 REPORTER_ASSERT(reporter, picture->hasText()); 1088 1089 canvas = recorder.beginRecording(100,100); 1090 { 1091 canvas->drawPosTextH("Q", 1, &point.fX, point.fY, SkPaint()); 1092 } 1093 picture.reset(recorder.endRecording()); 1094 REPORTER_ASSERT(reporter, picture->hasText()); 1095 1096 canvas = recorder.beginRecording(100,100); 1097 { 1098 SkPath path; 1099 path.moveTo(0, 0); 1100 path.lineTo(50, 50); 1101 1102 canvas->drawTextOnPathHV("Q", 1, path, point.fX, point.fY, SkPaint()); 1103 } 1104 picture.reset(recorder.endRecording()); 1105 REPORTER_ASSERT(reporter, picture->hasText()); 1106 1107 canvas = recorder.beginRecording(100,100); 1108 { 1109 SkPath path; 1110 path.moveTo(0, 0); 1111 path.lineTo(50, 50); 1112 1113 canvas->drawTextOnPath("Q", 1, path, NULL, SkPaint()); 1114 } 1115 picture.reset(recorder.endRecording()); 1116 REPORTER_ASSERT(reporter, picture->hasText()); 1117 1118 // Nest the previous picture inside a new one. 1119 canvas = recorder.beginRecording(100,100); 1120 { 1121 canvas->drawPicture(picture.get()); 1122 } 1123 picture.reset(recorder.endRecording()); 1124 REPORTER_ASSERT(reporter, picture->hasText()); 1125} 1126 1127static void set_canvas_to_save_count_4(SkCanvas* canvas) { 1128 canvas->restoreToCount(1); 1129 canvas->save(); 1130 canvas->save(); 1131 canvas->save(); 1132} 1133 1134/** 1135 * A canvas that records the number of saves, saveLayers and restores. 1136 */ 1137class SaveCountingCanvas : public SkCanvas { 1138public: 1139 SaveCountingCanvas(int width, int height) 1140 : INHERITED(width, height) 1141 , fSaveCount(0) 1142 , fSaveLayerCount(0) 1143 , fRestoreCount(0){ 1144 } 1145 1146 virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, 1147 SaveFlags flags) SK_OVERRIDE { 1148 ++fSaveLayerCount; 1149 return this->INHERITED::willSaveLayer(bounds, paint, flags); 1150 } 1151 1152 virtual void willSave() SK_OVERRIDE { 1153 ++fSaveCount; 1154 this->INHERITED::willSave(); 1155 } 1156 1157 virtual void willRestore() SK_OVERRIDE { 1158 ++fRestoreCount; 1159 this->INHERITED::willRestore(); 1160 } 1161 1162 unsigned int getSaveCount() const { return fSaveCount; } 1163 unsigned int getSaveLayerCount() const { return fSaveLayerCount; } 1164 unsigned int getRestoreCount() const { return fRestoreCount; } 1165 1166private: 1167 unsigned int fSaveCount; 1168 unsigned int fSaveLayerCount; 1169 unsigned int fRestoreCount; 1170 1171 typedef SkCanvas INHERITED; 1172}; 1173 1174void check_save_state(skiatest::Reporter* reporter, SkPicture* picture, 1175 unsigned int numSaves, unsigned int numSaveLayers, 1176 unsigned int numRestores) { 1177 SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()), 1178 SkScalarCeilToInt(picture->cullRect().height())); 1179 1180 picture->playback(&canvas); 1181 1182 // Optimizations may have removed these, 1183 // so expect to have seen no more than num{Saves,SaveLayers,Restores}. 1184 REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount()); 1185 REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount()); 1186 REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount()); 1187} 1188 1189// This class exists so SkPicture can friend it and give it access to 1190// the 'partialReplay' method. 1191class SkPictureRecorderReplayTester { 1192public: 1193 static SkPicture* Copy(SkPictureRecorder* recorder) { 1194 SkPictureRecorder recorder2; 1195 1196 SkCanvas* canvas = recorder2.beginRecording(10, 10); 1197 1198 recorder->partialReplay(canvas); 1199 1200 return recorder2.endRecording(); 1201 } 1202}; 1203 1204static void create_imbalance(SkCanvas* canvas) { 1205 SkRect clipRect = SkRect::MakeWH(2, 2); 1206 SkRect drawRect = SkRect::MakeWH(10, 10); 1207 canvas->save(); 1208 canvas->clipRect(clipRect, SkRegion::kReplace_Op); 1209 canvas->translate(1.0f, 1.0f); 1210 SkPaint p; 1211 p.setColor(SK_ColorGREEN); 1212 canvas->drawRect(drawRect, p); 1213 // no restore 1214} 1215 1216// This tests that replaying a potentially unbalanced picture into a canvas 1217// doesn't affect the canvas' save count or matrix/clip state. 1218static void check_balance(skiatest::Reporter* reporter, SkPicture* picture) { 1219 SkBitmap bm; 1220 bm.allocN32Pixels(4, 3); 1221 SkCanvas canvas(bm); 1222 1223 int beforeSaveCount = canvas.getSaveCount(); 1224 1225 SkMatrix beforeMatrix = canvas.getTotalMatrix(); 1226 1227 SkRect beforeClip; 1228 1229 canvas.getClipBounds(&beforeClip); 1230 1231 canvas.drawPicture(picture); 1232 1233 REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount()); 1234 REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix()); 1235 1236 SkRect afterClip; 1237 1238 canvas.getClipBounds(&afterClip); 1239 1240 REPORTER_ASSERT(reporter, afterClip == beforeClip); 1241} 1242 1243// Test out SkPictureRecorder::partialReplay 1244DEF_TEST(PictureRecorder_replay, reporter) { 1245 // check save/saveLayer state 1246 { 1247 SkPictureRecorder recorder; 1248 1249 SkCanvas* canvas = recorder.beginRecording(10, 10); 1250 1251 canvas->saveLayer(NULL, NULL); 1252 1253 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1254 1255 // The extra save and restore comes from the Copy process. 1256 check_save_state(reporter, copy, 2, 1, 3); 1257 1258 canvas->saveLayer(NULL, NULL); 1259 1260 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1261 1262 check_save_state(reporter, final, 1, 2, 3); 1263 1264 // The copy shouldn't pick up any operations added after it was made 1265 check_save_state(reporter, copy, 2, 1, 3); 1266 } 1267 1268 // (partially) check leakage of draw ops 1269 { 1270 SkPictureRecorder recorder; 1271 1272 SkCanvas* canvas = recorder.beginRecording(10, 10); 1273 1274 SkRect r = SkRect::MakeWH(5, 5); 1275 SkPaint p; 1276 1277 canvas->drawRect(r, p); 1278 1279 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1280 1281 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1282 1283 SkBitmap bm; 1284 make_bm(&bm, 10, 10, SK_ColorRED, true); 1285 1286 r.offset(5.0f, 5.0f); 1287 canvas->drawBitmapRectToRect(bm, NULL, r); 1288 1289 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1290 REPORTER_ASSERT(reporter, final->willPlayBackBitmaps()); 1291 1292 REPORTER_ASSERT(reporter, copy->uniqueID() != final->uniqueID()); 1293 1294 // The snapshot shouldn't pick up any operations added after it was made 1295 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1296 } 1297 1298 // Recreate the Android partialReplay test case 1299 { 1300 SkPictureRecorder recorder; 1301 1302 SkCanvas* canvas = recorder.beginRecording(4, 3, NULL, 0); 1303 create_imbalance(canvas); 1304 1305 int expectedSaveCount = canvas->getSaveCount(); 1306 1307 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1308 check_balance(reporter, copy); 1309 1310 REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount()); 1311 1312 // End the recording of source to test the picture finalization 1313 // process isn't complicated by the partialReplay step 1314 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1315 } 1316} 1317 1318static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { 1319 SkCanvas testCanvas(100, 100); 1320 set_canvas_to_save_count_4(&testCanvas); 1321 1322 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1323 1324 SkPaint paint; 1325 SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000); 1326 1327 SkPictureRecorder recorder; 1328 1329 { 1330 // Create picture with 2 unbalanced saves 1331 SkCanvas* canvas = recorder.beginRecording(100, 100); 1332 canvas->save(); 1333 canvas->translate(10, 10); 1334 canvas->drawRect(rect, paint); 1335 canvas->save(); 1336 canvas->translate(10, 10); 1337 canvas->drawRect(rect, paint); 1338 SkAutoTUnref<SkPicture> extraSavePicture(recorder.endRecording()); 1339 1340 testCanvas.drawPicture(extraSavePicture); 1341 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1342 } 1343 1344 set_canvas_to_save_count_4(&testCanvas); 1345 1346 { 1347 // Create picture with 2 unbalanced restores 1348 SkCanvas* canvas = recorder.beginRecording(100, 100); 1349 canvas->save(); 1350 canvas->translate(10, 10); 1351 canvas->drawRect(rect, paint); 1352 canvas->save(); 1353 canvas->translate(10, 10); 1354 canvas->drawRect(rect, paint); 1355 canvas->restore(); 1356 canvas->restore(); 1357 canvas->restore(); 1358 canvas->restore(); 1359 SkAutoTUnref<SkPicture> extraRestorePicture(recorder.endRecording()); 1360 1361 testCanvas.drawPicture(extraRestorePicture); 1362 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1363 } 1364 1365 set_canvas_to_save_count_4(&testCanvas); 1366 1367 { 1368 SkCanvas* canvas = recorder.beginRecording(100, 100); 1369 canvas->translate(10, 10); 1370 canvas->drawRect(rect, paint); 1371 SkAutoTUnref<SkPicture> noSavePicture(recorder.endRecording()); 1372 1373 testCanvas.drawPicture(noSavePicture); 1374 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1375 REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); 1376 } 1377} 1378 1379static void test_peephole() { 1380 SkRandom rand; 1381 1382 SkPictureRecorder recorder; 1383 1384 for (int j = 0; j < 100; j++) { 1385 SkRandom rand2(rand); // remember the seed 1386 1387 SkCanvas* canvas = recorder.beginRecording(100, 100); 1388 1389 for (int i = 0; i < 1000; ++i) { 1390 rand_op(canvas, rand); 1391 } 1392 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1393 1394 rand = rand2; 1395 } 1396 1397 { 1398 SkCanvas* canvas = recorder.beginRecording(100, 100); 1399 SkRect rect = SkRect::MakeWH(50, 50); 1400 1401 for (int i = 0; i < 100; ++i) { 1402 canvas->save(); 1403 } 1404 while (canvas->getSaveCount() > 1) { 1405 canvas->clipRect(rect); 1406 canvas->restore(); 1407 } 1408 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1409 } 1410} 1411 1412#ifndef SK_DEBUG 1413// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller 1414// should never do this. 1415static void test_bad_bitmap() { 1416 // This bitmap has a width and height but no pixels. As a result, attempting to record it will 1417 // fail. 1418 SkBitmap bm; 1419 bm.setInfo(SkImageInfo::MakeN32Premul(100, 100)); 1420 SkPictureRecorder recorder; 1421 SkCanvas* recordingCanvas = recorder.beginRecording(100, 100); 1422 recordingCanvas->drawBitmap(bm, 0, 0); 1423 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1424 1425 SkCanvas canvas; 1426 canvas.drawPicture(picture); 1427} 1428#endif 1429 1430static SkData* encode_bitmap_to_data(size_t*, const SkBitmap& bm) { 1431 return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); 1432} 1433 1434static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { 1435 SkPictureRecorder recorder; 1436 SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(bitmap.width()), 1437 SkIntToScalar(bitmap.height())); 1438 canvas->drawBitmap(bitmap, 0, 0); 1439 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1440 1441 SkDynamicMemoryWStream wStream; 1442 picture->serialize(&wStream, &encode_bitmap_to_data); 1443 return wStream.copyToData(); 1444} 1445 1446struct ErrorContext { 1447 int fErrors; 1448 skiatest::Reporter* fReporter; 1449}; 1450 1451static void assert_one_parse_error_cb(SkError error, void* context) { 1452 ErrorContext* errorContext = static_cast<ErrorContext*>(context); 1453 errorContext->fErrors++; 1454 // This test only expects one error, and that is a kParseError. If there are others, 1455 // there is some unknown problem. 1456 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, 1457 "This threw more errors than expected."); 1458 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, 1459 SkGetLastErrorString()); 1460} 1461 1462static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { 1463 // Create a bitmap that will be encoded. 1464 SkBitmap original; 1465 make_bm(&original, 100, 100, SK_ColorBLUE, true); 1466 SkDynamicMemoryWStream wStream; 1467 if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { 1468 return; 1469 } 1470 SkAutoDataUnref data(wStream.copyToData()); 1471 1472 SkBitmap bm; 1473 bool installSuccess = SkInstallDiscardablePixelRef( 1474 SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()), &bm); 1475 REPORTER_ASSERT(reporter, installSuccess); 1476 1477 // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. 1478 // Flattening original will follow the old path of performing an encode, while flattening bm 1479 // will use the already encoded data. 1480 SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); 1481 SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); 1482 REPORTER_ASSERT(reporter, picture1->equals(picture2)); 1483 // Now test that a parse error was generated when trying to create a new SkPicture without 1484 // providing a function to decode the bitmap. 1485 ErrorContext context; 1486 context.fErrors = 0; 1487 context.fReporter = reporter; 1488 SkSetErrorCallback(assert_one_parse_error_cb, &context); 1489 SkMemoryStream pictureStream(picture1); 1490 SkClearLastError(); 1491 SkAutoUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); 1492 REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); 1493 SkClearLastError(); 1494 SkSetErrorCallback(NULL, NULL); 1495} 1496 1497static void test_draw_empty(skiatest::Reporter* reporter) { 1498 SkBitmap result; 1499 make_bm(&result, 2, 2, SK_ColorBLACK, false); 1500 1501 SkCanvas canvas(result); 1502 1503 { 1504 // stock SkPicture 1505 SkPictureRecorder recorder; 1506 recorder.beginRecording(1, 1); 1507 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1508 1509 canvas.drawPicture(picture); 1510 } 1511 1512 { 1513 // tile grid 1514 SkTileGridFactory::TileGridInfo gridInfo; 1515 gridInfo.fMargin.setEmpty(); 1516 gridInfo.fOffset.setZero(); 1517 gridInfo.fTileInterval.set(1, 1); 1518 1519 SkTileGridFactory factory(gridInfo); 1520 SkPictureRecorder recorder; 1521 recorder.beginRecording(1, 1, &factory); 1522 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1523 1524 canvas.drawPicture(picture); 1525 } 1526 1527 { 1528 // RTree 1529 SkRTreeFactory factory; 1530 SkPictureRecorder recorder; 1531 recorder.beginRecording(1, 1, &factory); 1532 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1533 1534 canvas.drawPicture(picture); 1535 } 1536} 1537 1538static void test_clip_bound_opt(skiatest::Reporter* reporter) { 1539 // Test for crbug.com/229011 1540 SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4), 1541 SkIntToScalar(2), SkIntToScalar(2)); 1542 SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7), 1543 SkIntToScalar(1), SkIntToScalar(1)); 1544 SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6), 1545 SkIntToScalar(1), SkIntToScalar(1)); 1546 1547 SkPath invPath; 1548 invPath.addOval(rect1); 1549 invPath.setFillType(SkPath::kInverseEvenOdd_FillType); 1550 SkPath path; 1551 path.addOval(rect2); 1552 SkPath path2; 1553 path2.addOval(rect3); 1554 SkIRect clipBounds; 1555 SkPictureRecorder recorder; 1556 1557 // Testing conservative-raster-clip that is enabled by PictureRecord 1558 { 1559 SkCanvas* canvas = recorder.beginRecording(10, 10); 1560 canvas->clipPath(invPath, SkRegion::kIntersect_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::kIntersect_Op); 1571 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1572 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1573 REPORTER_ASSERT(reporter, true == nonEmpty); 1574 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1575 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1576 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1577 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1578 } 1579 { 1580 SkCanvas* canvas = recorder.beginRecording(10, 10); 1581 canvas->clipPath(path, SkRegion::kIntersect_Op); 1582 canvas->clipPath(invPath, SkRegion::kUnion_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::kDifference_Op); 1593 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1594 REPORTER_ASSERT(reporter, true == nonEmpty); 1595 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1596 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1597 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1598 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1599 } 1600 { 1601 SkCanvas* canvas = recorder.beginRecording(10, 10); 1602 canvas->clipPath(path, SkRegion::kReverseDifference_Op); 1603 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1604 // True clip is actually empty in this case, but the best 1605 // determination we can make using only bounds as input is that the 1606 // clip is included in the bounds of 'path'. 1607 REPORTER_ASSERT(reporter, true == nonEmpty); 1608 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1609 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1610 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1611 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1612 } 1613 { 1614 SkCanvas* canvas = recorder.beginRecording(10, 10); 1615 canvas->clipPath(path, SkRegion::kIntersect_Op); 1616 canvas->clipPath(path2, SkRegion::kXOR_Op); 1617 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1618 REPORTER_ASSERT(reporter, true == nonEmpty); 1619 REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); 1620 REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); 1621 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1622 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1623 } 1624} 1625 1626/** 1627 * A canvas that records the number of clip commands. 1628 */ 1629class ClipCountingCanvas : public SkCanvas { 1630public: 1631 ClipCountingCanvas(int width, int height) 1632 : INHERITED(width, height) 1633 , fClipCount(0){ 1634 } 1635 1636 virtual void onClipRect(const SkRect& r, 1637 SkRegion::Op op, 1638 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1639 fClipCount += 1; 1640 this->INHERITED::onClipRect(r, op, edgeStyle); 1641 } 1642 1643 virtual void onClipRRect(const SkRRect& rrect, 1644 SkRegion::Op op, 1645 ClipEdgeStyle edgeStyle)SK_OVERRIDE { 1646 fClipCount += 1; 1647 this->INHERITED::onClipRRect(rrect, op, edgeStyle); 1648 } 1649 1650 virtual void onClipPath(const SkPath& path, 1651 SkRegion::Op op, 1652 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1653 fClipCount += 1; 1654 this->INHERITED::onClipPath(path, op, edgeStyle); 1655 } 1656 1657 virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE { 1658 fClipCount += 1; 1659 this->INHERITED::onClipRegion(deviceRgn, op); 1660 } 1661 1662 unsigned getClipCount() const { return fClipCount; } 1663 1664private: 1665 unsigned fClipCount; 1666 1667 typedef SkCanvas INHERITED; 1668}; 1669 1670static void test_clip_expansion(skiatest::Reporter* reporter) { 1671 SkPictureRecorder recorder; 1672 SkCanvas* canvas = recorder.beginRecording(10, 10); 1673 1674 canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op); 1675 // The following expanding clip should not be skipped. 1676 canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); 1677 // Draw something so the optimizer doesn't just fold the world. 1678 SkPaint p; 1679 p.setColor(SK_ColorBLUE); 1680 canvas->drawPaint(p); 1681 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1682 1683 ClipCountingCanvas testCanvas(10, 10); 1684 picture->playback(&testCanvas); 1685 1686 // Both clips should be present on playback. 1687 REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); 1688} 1689 1690static void test_hierarchical(skiatest::Reporter* reporter) { 1691 SkBitmap bm; 1692 make_bm(&bm, 10, 10, SK_ColorRED, true); 1693 1694 SkPictureRecorder recorder; 1695 1696 recorder.beginRecording(10, 10); 1697 SkAutoTUnref<SkPicture> childPlain(recorder.endRecording()); 1698 REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 1699 1700 recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); 1701 SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); 1702 REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 1703 1704 { 1705 SkCanvas* canvas = recorder.beginRecording(10, 10); 1706 canvas->drawPicture(childPlain); 1707 SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); 1708 REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 1709 } 1710 { 1711 SkCanvas* canvas = recorder.beginRecording(10, 10); 1712 canvas->drawPicture(childWithBitmap); 1713 SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); 1714 REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 1715 } 1716 { 1717 SkCanvas* canvas = recorder.beginRecording(10, 10); 1718 canvas->drawBitmap(bm, 0, 0); 1719 canvas->drawPicture(childPlain); 1720 SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); 1721 REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 1722 } 1723 { 1724 SkCanvas* canvas = recorder.beginRecording(10, 10); 1725 canvas->drawBitmap(bm, 0, 0); 1726 canvas->drawPicture(childWithBitmap); 1727 SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); 1728 REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 1729 } 1730} 1731 1732static void test_gen_id(skiatest::Reporter* reporter) { 1733 1734 SkPictureRecorder recorder; 1735 recorder.beginRecording(0, 0); 1736 SkAutoTUnref<SkPicture> empty(recorder.endRecording()); 1737 1738 // Empty pictures should still have a valid ID 1739 REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID); 1740 1741 SkCanvas* canvas = recorder.beginRecording(1, 1); 1742 canvas->drawARGB(255, 255, 255, 255); 1743 SkAutoTUnref<SkPicture> hasData(recorder.endRecording()); 1744 // picture should have a non-zero id after recording 1745 REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID); 1746 1747 // both pictures should have different ids 1748 REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID()); 1749} 1750 1751DEF_TEST(Picture, reporter) { 1752#ifdef SK_DEBUG 1753 test_deleting_empty_picture(); 1754 test_serializing_empty_picture(); 1755#else 1756 test_bad_bitmap(); 1757#endif 1758 test_unbalanced_save_restores(reporter); 1759 test_peephole(); 1760#if SK_SUPPORT_GPU 1761 test_gpu_veto(reporter); 1762#endif 1763 test_has_text(reporter); 1764 test_analysis(reporter); 1765 test_gatherpixelrefs(reporter); 1766 test_gatherpixelrefsandrects(reporter); 1767 test_bitmap_with_encoded_data(reporter); 1768 test_draw_empty(reporter); 1769 test_clip_bound_opt(reporter); 1770 test_clip_expansion(reporter); 1771 test_hierarchical(reporter); 1772 test_gen_id(reporter); 1773} 1774 1775#if SK_SUPPORT_GPU 1776DEF_GPUTEST(GPUPicture, reporter, factory) { 1777 test_gpu_picture_optimization(reporter, factory); 1778} 1779#endif 1780 1781static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) { 1782 const SkPaint paint; 1783 const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f }; 1784 const SkIRect irect = { 2, 2, 3, 3 }; 1785 1786 // Don't care what these record, as long as they're legal. 1787 canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); 1788 canvas->drawBitmapRectToRect(bitmap, &rect, rect, &paint, SkCanvas::kNone_DrawBitmapRectFlag); 1789 canvas->drawBitmapMatrix(bitmap, SkMatrix::I(), &paint); 1790 canvas->drawBitmapNine(bitmap, irect, rect, &paint); 1791 canvas->drawSprite(bitmap, 1, 1); 1792} 1793 1794static void test_draw_bitmaps(SkCanvas* canvas) { 1795 SkBitmap empty; 1796 draw_bitmaps(empty, canvas); 1797 empty.setInfo(SkImageInfo::MakeN32Premul(10, 10)); 1798 draw_bitmaps(empty, canvas); 1799} 1800 1801DEF_TEST(Picture_EmptyBitmap, r) { 1802 SkPictureRecorder recorder; 1803 test_draw_bitmaps(recorder.beginRecording(10, 10)); 1804 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1805} 1806 1807DEF_TEST(Canvas_EmptyBitmap, r) { 1808 SkBitmap dst; 1809 dst.allocN32Pixels(10, 10); 1810 SkCanvas canvas(dst); 1811 1812 test_draw_bitmaps(&canvas); 1813} 1814 1815DEF_TEST(DontOptimizeSaveLayerDrawDrawRestore, reporter) { 1816 // This test is from crbug.com/344987. 1817 // The commands are: 1818 // saveLayer with paint that modifies alpha 1819 // drawBitmapRectToRect 1820 // drawBitmapRectToRect 1821 // restore 1822 // The bug was that this structure was modified so that: 1823 // - The saveLayer and restore were eliminated 1824 // - The alpha was only applied to the first drawBitmapRectToRect 1825 1826 // This test draws blue and red squares inside a 50% transparent 1827 // layer. Both colours should show up muted. 1828 // When the bug is present, the red square (the second bitmap) 1829 // shows upwith full opacity. 1830 1831 SkBitmap blueBM; 1832 make_bm(&blueBM, 100, 100, SkColorSetARGB(255, 0, 0, 255), true); 1833 SkBitmap redBM; 1834 make_bm(&redBM, 100, 100, SkColorSetARGB(255, 255, 0, 0), true); 1835 SkPaint semiTransparent; 1836 semiTransparent.setAlpha(0x80); 1837 1838 SkPictureRecorder recorder; 1839 SkCanvas* canvas = recorder.beginRecording(100, 100); 1840 canvas->drawARGB(0, 0, 0, 0); 1841 1842 canvas->saveLayer(0, &semiTransparent); 1843 canvas->drawBitmap(blueBM, 25, 25); 1844 canvas->drawBitmap(redBM, 50, 50); 1845 canvas->restore(); 1846 1847 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1848 1849 // Now replay the picture back on another canvas 1850 // and check a couple of its pixels. 1851 SkBitmap replayBM; 1852 make_bm(&replayBM, 100, 100, SK_ColorBLACK, false); 1853 SkCanvas replayCanvas(replayBM); 1854 picture->playback(&replayCanvas); 1855 replayCanvas.flush(); 1856 1857 // With the bug present, at (55, 55) we would get a fully opaque red 1858 // intead of a dark red. 1859 REPORTER_ASSERT(reporter, replayBM.getColor(30, 30) == 0xff000080); 1860 REPORTER_ASSERT(reporter, replayBM.getColor(55, 55) == 0xff800000); 1861} 1862 1863struct CountingBBH : public SkBBoxHierarchy { 1864 mutable int searchCalls; 1865 1866 CountingBBH() : searchCalls(0) {} 1867 1868 virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const SK_OVERRIDE { 1869 this->searchCalls++; 1870 } 1871 1872 virtual void insert(unsigned opIndex, const SkRect& bounds, bool defer) SK_OVERRIDE {} 1873}; 1874 1875class SpoonFedBBHFactory : public SkBBHFactory { 1876public: 1877 explicit SpoonFedBBHFactory(SkBBoxHierarchy* bbh) : fBBH(bbh) {} 1878 virtual SkBBoxHierarchy* operator()(int width, int height) const { 1879 return SkRef(fBBH); 1880 } 1881private: 1882 SkBBoxHierarchy* fBBH; 1883}; 1884 1885// When the canvas clip covers the full picture, we don't need to call the BBH. 1886DEF_TEST(Picture_SkipBBH, r) { 1887 CountingBBH bbh; 1888 SpoonFedBBHFactory factory(&bbh); 1889 1890 SkPictureRecorder recorder; 1891 recorder.beginRecording(320, 240, &factory); 1892 SkAutoTUnref<const SkPicture> picture(recorder.endRecording()); 1893 1894 SkCanvas big(640, 480), small(300, 200); 1895 1896 picture->playback(&big); 1897 REPORTER_ASSERT(r, bbh.searchCalls == 0); 1898 1899 picture->playback(&small); 1900 REPORTER_ASSERT(r, bbh.searchCalls == 1); 1901} 1902 1903DEF_TEST(Picture_BitmapLeak, r) { 1904 SkBitmap mut, immut; 1905 mut.allocN32Pixels(300, 200); 1906 immut.allocN32Pixels(300, 200); 1907 immut.setImmutable(); 1908 SkASSERT(!mut.isImmutable()); 1909 SkASSERT(immut.isImmutable()); 1910 1911 // No one can hold a ref on our pixels yet. 1912 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1913 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1914 1915 SkPictureRecorder rec; 1916 SkCanvas* canvas = rec.beginRecording(1920, 1200); 1917 canvas->drawBitmap(mut, 0, 0); 1918 canvas->drawBitmap(immut, 800, 600); 1919 SkAutoTDelete<const SkPicture> pic(rec.endRecording()); 1920 1921 // The picture shares the immutable pixels but copies the mutable ones. 1922 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1923 REPORTER_ASSERT(r, !immut.pixelRef()->unique()); 1924 1925 // When the picture goes away, it's just our bitmaps holding the refs. 1926 pic.reset(NULL); 1927 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1928 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1929} 1930