PictureTest.cpp revision 4e8e3421aa919a82eb1dd287fecbd079f5a320b4
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 SkRTreeFactory bbhFactory; 904 905 { 906 SkPictureRecorder recorder; 907 908 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight), 909 &bbhFactory, 910 SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag); 911 912 c->saveLayer(NULL, &complexPaint); 913 c->restore(); 914 915 child.reset(recorder.endRecording()); 916 } 917 918 // create a picture with the structure: 919 // 1) 920 // SaveLayer 921 // Restore 922 // 2) 923 // SaveLayer 924 // Translate 925 // SaveLayer w/ bound 926 // Restore 927 // Restore 928 // 3) 929 // SaveLayer w/ copyable paint 930 // Restore 931 // 4) 932 // SaveLayer 933 // DrawPicture (which has a SaveLayer/Restore pair) 934 // Restore 935 // 5) 936 // SaveLayer 937 // DrawPicture with Matrix & Paint (with SaveLayer/Restore pair) 938 // Restore 939 { 940 SkPictureRecorder recorder; 941 942 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), 943 SkIntToScalar(kHeight), 944 &bbhFactory, 945 SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag); 946 // 1) 947 c->saveLayer(NULL, &complexPaint); // layer #0 948 c->restore(); 949 950 // 2) 951 c->saveLayer(NULL, NULL); // layer #1 952 c->translate(kWidth/2.0f, kHeight/2.0f); 953 SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2); 954 c->saveLayer(&r, &complexPaint); // layer #2 955 c->restore(); 956 c->restore(); 957 958 // 3) 959 { 960 c->saveLayer(NULL, &complexPaint); // layer #3 961 c->restore(); 962 } 963 964 SkPaint layerPaint; 965 layerPaint.setColor(SK_ColorRED); // Non-alpha only to avoid SaveLayerDrawRestoreNooper 966 // 4) 967 { 968 c->saveLayer(NULL, &layerPaint); // layer #4 969 c->drawPicture(child); // layer #5 inside picture 970 c->restore(); 971 } 972 // 5 973 { 974 SkPaint picturePaint; 975 SkMatrix trans; 976 trans.setTranslate(10, 10); 977 978 c->saveLayer(NULL, &layerPaint); // layer #6 979 c->drawPicture(child, &trans, &picturePaint); // layer #7 inside picture 980 c->restore(); 981 } 982 983 pict.reset(recorder.endRecording()); 984 } 985 986 // Now test out the SaveLayer extraction 987 { 988 SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey(); 989 990 const SkPicture::AccelData* data = pict->EXPERIMENTAL_getAccelData(key); 991 REPORTER_ASSERT(reporter, data); 992 993 const GrAccelData *gpuData = static_cast<const GrAccelData*>(data); 994 REPORTER_ASSERT(reporter, 8 == gpuData->numSaveLayers()); 995 996 const GrAccelData::SaveLayerInfo& info0 = gpuData->saveLayerInfo(0); 997 // The parent/child layers appear in reverse order 998 const GrAccelData::SaveLayerInfo& info1 = gpuData->saveLayerInfo(2); 999 const GrAccelData::SaveLayerInfo& info2 = gpuData->saveLayerInfo(1); 1000 1001 const GrAccelData::SaveLayerInfo& info3 = gpuData->saveLayerInfo(3); 1002 1003 // The parent/child layers appear in reverse order 1004 const GrAccelData::SaveLayerInfo& info4 = gpuData->saveLayerInfo(5); 1005 const GrAccelData::SaveLayerInfo& info5 = gpuData->saveLayerInfo(4); 1006 1007 // The parent/child layers appear in reverse order 1008 const GrAccelData::SaveLayerInfo& info6 = gpuData->saveLayerInfo(7); 1009 const GrAccelData::SaveLayerInfo& info7 = gpuData->saveLayerInfo(6); 1010 1011 REPORTER_ASSERT(reporter, NULL == info0.fPicture); 1012 REPORTER_ASSERT(reporter, kWidth == info0.fBounds.width() && 1013 kHeight == info0.fBounds.height()); 1014 REPORTER_ASSERT(reporter, info0.fLocalMat.isIdentity()); 1015 REPORTER_ASSERT(reporter, info0.fPreMat.isIdentity()); 1016 REPORTER_ASSERT(reporter, 0 == info0.fBounds.fLeft && 0 == info0.fBounds.fTop); 1017 REPORTER_ASSERT(reporter, NULL != info0.fPaint); 1018 REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers); 1019 1020 REPORTER_ASSERT(reporter, NULL == info1.fPicture); 1021 REPORTER_ASSERT(reporter, kWidth/2.0 == info1.fBounds.width() && 1022 kHeight/2.0 == info1.fBounds.height()); 1023 REPORTER_ASSERT(reporter, info1.fLocalMat.isIdentity()); 1024 REPORTER_ASSERT(reporter, info1.fPreMat.isIdentity()); 1025 REPORTER_ASSERT(reporter, kWidth/2.0 == info1.fBounds.fLeft && 1026 kHeight/2.0 == info1.fBounds.fTop); 1027 REPORTER_ASSERT(reporter, NULL == info1.fPaint); 1028 REPORTER_ASSERT(reporter, !info1.fIsNested && 1029 info1.fHasNestedLayers); // has a nested SL 1030 1031 REPORTER_ASSERT(reporter, NULL == info2.fPicture); 1032 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.width() && 1033 kHeight / 2 == info2.fBounds.height()); // bound reduces size 1034 REPORTER_ASSERT(reporter, !info2.fLocalMat.isIdentity()); 1035 REPORTER_ASSERT(reporter, info2.fPreMat.isIdentity()); 1036 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.fLeft && // translated 1037 kHeight / 2 == info2.fBounds.fTop); 1038 REPORTER_ASSERT(reporter, NULL != info2.fPaint); 1039 REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested 1040 1041 REPORTER_ASSERT(reporter, NULL == info3.fPicture); 1042 REPORTER_ASSERT(reporter, kWidth == info3.fBounds.width() && 1043 kHeight == info3.fBounds.height()); 1044 REPORTER_ASSERT(reporter, info3.fLocalMat.isIdentity()); 1045 REPORTER_ASSERT(reporter, info3.fPreMat.isIdentity()); 1046 REPORTER_ASSERT(reporter, 0 == info3.fBounds.fLeft && 0 == info3.fBounds.fTop); 1047 REPORTER_ASSERT(reporter, info3.fPaint); 1048 REPORTER_ASSERT(reporter, !info3.fIsNested && !info3.fHasNestedLayers); 1049 1050 REPORTER_ASSERT(reporter, NULL == info4.fPicture); 1051 REPORTER_ASSERT(reporter, kWidth == info4.fBounds.width() && 1052 kHeight == info4.fBounds.height()); 1053 REPORTER_ASSERT(reporter, 0 == info4.fBounds.fLeft && 0 == info4.fBounds.fTop); 1054 REPORTER_ASSERT(reporter, info4.fLocalMat.isIdentity()); 1055 REPORTER_ASSERT(reporter, info4.fPreMat.isIdentity()); 1056 REPORTER_ASSERT(reporter, info4.fPaint); 1057 REPORTER_ASSERT(reporter, !info4.fIsNested && 1058 info4.fHasNestedLayers); // has a nested SL 1059 1060 REPORTER_ASSERT(reporter, child == info5.fPicture); // in a child picture 1061 REPORTER_ASSERT(reporter, kWidth == info5.fBounds.width() && 1062 kHeight == info5.fBounds.height()); 1063 REPORTER_ASSERT(reporter, 0 == info5.fBounds.fLeft && 0 == info5.fBounds.fTop); 1064 REPORTER_ASSERT(reporter, info5.fLocalMat.isIdentity()); 1065 REPORTER_ASSERT(reporter, info5.fPreMat.isIdentity()); 1066 REPORTER_ASSERT(reporter, NULL != info5.fPaint); 1067 REPORTER_ASSERT(reporter, info5.fIsNested && !info5.fHasNestedLayers); // is nested 1068 1069 REPORTER_ASSERT(reporter, NULL == info6.fPicture); 1070 REPORTER_ASSERT(reporter, kWidth-10 == info6.fBounds.width() && 1071 kHeight-10 == info6.fBounds.height()); 1072 REPORTER_ASSERT(reporter, 10 == info6.fBounds.fLeft && 10 == info6.fBounds.fTop); 1073 REPORTER_ASSERT(reporter, info6.fLocalMat.isIdentity()); 1074 REPORTER_ASSERT(reporter, info6.fPreMat.isIdentity()); 1075 REPORTER_ASSERT(reporter, info6.fPaint); 1076 REPORTER_ASSERT(reporter, !info6.fIsNested && 1077 info6.fHasNestedLayers); // has a nested SL 1078 1079 REPORTER_ASSERT(reporter, child == info7.fPicture); // in a child picture 1080 REPORTER_ASSERT(reporter, kWidth == info7.fBounds.width() && 1081 kHeight == info7.fBounds.height()); 1082 REPORTER_ASSERT(reporter, 0 == info7.fBounds.fLeft && 0 == info7.fBounds.fTop); 1083 REPORTER_ASSERT(reporter, info7.fLocalMat.isIdentity()); 1084 REPORTER_ASSERT(reporter, info7.fPreMat.isIdentity()); 1085 REPORTER_ASSERT(reporter, NULL != info7.fPaint); 1086 REPORTER_ASSERT(reporter, info7.fIsNested && !info7.fHasNestedLayers); // is nested 1087 } 1088 } 1089} 1090 1091#endif 1092 1093static void test_has_text(skiatest::Reporter* reporter) { 1094 SkPictureRecorder recorder; 1095 1096 SkCanvas* canvas = recorder.beginRecording(100,100); 1097 { 1098 canvas->drawRect(SkRect::MakeWH(20, 20), SkPaint()); 1099 } 1100 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1101 REPORTER_ASSERT(reporter, !picture->hasText()); 1102 1103 SkPoint point = SkPoint::Make(10, 10); 1104 canvas = recorder.beginRecording(100,100); 1105 { 1106 canvas->drawText("Q", 1, point.fX, point.fY, SkPaint()); 1107 } 1108 picture.reset(recorder.endRecording()); 1109 REPORTER_ASSERT(reporter, picture->hasText()); 1110 1111 canvas = recorder.beginRecording(100,100); 1112 { 1113 canvas->drawPosText("Q", 1, &point, SkPaint()); 1114 } 1115 picture.reset(recorder.endRecording()); 1116 REPORTER_ASSERT(reporter, picture->hasText()); 1117 1118 canvas = recorder.beginRecording(100,100); 1119 { 1120 canvas->drawPosTextH("Q", 1, &point.fX, point.fY, SkPaint()); 1121 } 1122 picture.reset(recorder.endRecording()); 1123 REPORTER_ASSERT(reporter, picture->hasText()); 1124 1125 canvas = recorder.beginRecording(100,100); 1126 { 1127 SkPath path; 1128 path.moveTo(0, 0); 1129 path.lineTo(50, 50); 1130 1131 canvas->drawTextOnPathHV("Q", 1, path, point.fX, point.fY, SkPaint()); 1132 } 1133 picture.reset(recorder.endRecording()); 1134 REPORTER_ASSERT(reporter, picture->hasText()); 1135 1136 canvas = recorder.beginRecording(100,100); 1137 { 1138 SkPath path; 1139 path.moveTo(0, 0); 1140 path.lineTo(50, 50); 1141 1142 canvas->drawTextOnPath("Q", 1, path, NULL, SkPaint()); 1143 } 1144 picture.reset(recorder.endRecording()); 1145 REPORTER_ASSERT(reporter, picture->hasText()); 1146 1147 // Nest the previous picture inside a new one. 1148 canvas = recorder.beginRecording(100,100); 1149 { 1150 canvas->drawPicture(picture.get()); 1151 } 1152 picture.reset(recorder.endRecording()); 1153 REPORTER_ASSERT(reporter, picture->hasText()); 1154} 1155 1156static void set_canvas_to_save_count_4(SkCanvas* canvas) { 1157 canvas->restoreToCount(1); 1158 canvas->save(); 1159 canvas->save(); 1160 canvas->save(); 1161} 1162 1163/** 1164 * A canvas that records the number of saves, saveLayers and restores. 1165 */ 1166class SaveCountingCanvas : public SkCanvas { 1167public: 1168 SaveCountingCanvas(int width, int height) 1169 : INHERITED(width, height) 1170 , fSaveCount(0) 1171 , fSaveLayerCount(0) 1172 , fRestoreCount(0){ 1173 } 1174 1175 virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, 1176 SaveFlags flags) SK_OVERRIDE { 1177 ++fSaveLayerCount; 1178 return this->INHERITED::willSaveLayer(bounds, paint, flags); 1179 } 1180 1181 virtual void willSave() SK_OVERRIDE { 1182 ++fSaveCount; 1183 this->INHERITED::willSave(); 1184 } 1185 1186 virtual void willRestore() SK_OVERRIDE { 1187 ++fRestoreCount; 1188 this->INHERITED::willRestore(); 1189 } 1190 1191 unsigned int getSaveCount() const { return fSaveCount; } 1192 unsigned int getSaveLayerCount() const { return fSaveLayerCount; } 1193 unsigned int getRestoreCount() const { return fRestoreCount; } 1194 1195private: 1196 unsigned int fSaveCount; 1197 unsigned int fSaveLayerCount; 1198 unsigned int fRestoreCount; 1199 1200 typedef SkCanvas INHERITED; 1201}; 1202 1203void check_save_state(skiatest::Reporter* reporter, SkPicture* picture, 1204 unsigned int numSaves, unsigned int numSaveLayers, 1205 unsigned int numRestores) { 1206 SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()), 1207 SkScalarCeilToInt(picture->cullRect().height())); 1208 1209 picture->playback(&canvas); 1210 1211 // Optimizations may have removed these, 1212 // so expect to have seen no more than num{Saves,SaveLayers,Restores}. 1213 REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount()); 1214 REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount()); 1215 REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount()); 1216} 1217 1218// This class exists so SkPicture can friend it and give it access to 1219// the 'partialReplay' method. 1220class SkPictureRecorderReplayTester { 1221public: 1222 static SkPicture* Copy(SkPictureRecorder* recorder) { 1223 SkPictureRecorder recorder2; 1224 1225 SkCanvas* canvas = recorder2.beginRecording(10, 10); 1226 1227 recorder->partialReplay(canvas); 1228 1229 return recorder2.endRecording(); 1230 } 1231}; 1232 1233static void create_imbalance(SkCanvas* canvas) { 1234 SkRect clipRect = SkRect::MakeWH(2, 2); 1235 SkRect drawRect = SkRect::MakeWH(10, 10); 1236 canvas->save(); 1237 canvas->clipRect(clipRect, SkRegion::kReplace_Op); 1238 canvas->translate(1.0f, 1.0f); 1239 SkPaint p; 1240 p.setColor(SK_ColorGREEN); 1241 canvas->drawRect(drawRect, p); 1242 // no restore 1243} 1244 1245// This tests that replaying a potentially unbalanced picture into a canvas 1246// doesn't affect the canvas' save count or matrix/clip state. 1247static void check_balance(skiatest::Reporter* reporter, SkPicture* picture) { 1248 SkBitmap bm; 1249 bm.allocN32Pixels(4, 3); 1250 SkCanvas canvas(bm); 1251 1252 int beforeSaveCount = canvas.getSaveCount(); 1253 1254 SkMatrix beforeMatrix = canvas.getTotalMatrix(); 1255 1256 SkRect beforeClip; 1257 1258 canvas.getClipBounds(&beforeClip); 1259 1260 canvas.drawPicture(picture); 1261 1262 REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount()); 1263 REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix()); 1264 1265 SkRect afterClip; 1266 1267 canvas.getClipBounds(&afterClip); 1268 1269 REPORTER_ASSERT(reporter, afterClip == beforeClip); 1270} 1271 1272// Test out SkPictureRecorder::partialReplay 1273DEF_TEST(PictureRecorder_replay, reporter) { 1274 // check save/saveLayer state 1275 { 1276 SkPictureRecorder recorder; 1277 1278 SkCanvas* canvas = recorder.beginRecording(10, 10); 1279 1280 canvas->saveLayer(NULL, NULL); 1281 1282 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1283 1284 // The extra save and restore comes from the Copy process. 1285 check_save_state(reporter, copy, 2, 1, 3); 1286 1287 canvas->saveLayer(NULL, NULL); 1288 1289 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1290 1291 check_save_state(reporter, final, 1, 2, 3); 1292 1293 // The copy shouldn't pick up any operations added after it was made 1294 check_save_state(reporter, copy, 2, 1, 3); 1295 } 1296 1297 // (partially) check leakage of draw ops 1298 { 1299 SkPictureRecorder recorder; 1300 1301 SkCanvas* canvas = recorder.beginRecording(10, 10); 1302 1303 SkRect r = SkRect::MakeWH(5, 5); 1304 SkPaint p; 1305 1306 canvas->drawRect(r, p); 1307 1308 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1309 1310 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1311 1312 SkBitmap bm; 1313 make_bm(&bm, 10, 10, SK_ColorRED, true); 1314 1315 r.offset(5.0f, 5.0f); 1316 canvas->drawBitmapRectToRect(bm, NULL, r); 1317 1318 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1319 REPORTER_ASSERT(reporter, final->willPlayBackBitmaps()); 1320 1321 REPORTER_ASSERT(reporter, copy->uniqueID() != final->uniqueID()); 1322 1323 // The snapshot shouldn't pick up any operations added after it was made 1324 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1325 } 1326 1327 // Recreate the Android partialReplay test case 1328 { 1329 SkPictureRecorder recorder; 1330 1331 SkCanvas* canvas = recorder.beginRecording(4, 3, NULL, 0); 1332 create_imbalance(canvas); 1333 1334 int expectedSaveCount = canvas->getSaveCount(); 1335 1336 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1337 check_balance(reporter, copy); 1338 1339 REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount()); 1340 1341 // End the recording of source to test the picture finalization 1342 // process isn't complicated by the partialReplay step 1343 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1344 } 1345} 1346 1347static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { 1348 SkCanvas testCanvas(100, 100); 1349 set_canvas_to_save_count_4(&testCanvas); 1350 1351 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1352 1353 SkPaint paint; 1354 SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000); 1355 1356 SkPictureRecorder recorder; 1357 1358 { 1359 // Create picture with 2 unbalanced saves 1360 SkCanvas* canvas = recorder.beginRecording(100, 100); 1361 canvas->save(); 1362 canvas->translate(10, 10); 1363 canvas->drawRect(rect, paint); 1364 canvas->save(); 1365 canvas->translate(10, 10); 1366 canvas->drawRect(rect, paint); 1367 SkAutoTUnref<SkPicture> extraSavePicture(recorder.endRecording()); 1368 1369 testCanvas.drawPicture(extraSavePicture); 1370 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1371 } 1372 1373 set_canvas_to_save_count_4(&testCanvas); 1374 1375 { 1376 // Create picture with 2 unbalanced restores 1377 SkCanvas* canvas = recorder.beginRecording(100, 100); 1378 canvas->save(); 1379 canvas->translate(10, 10); 1380 canvas->drawRect(rect, paint); 1381 canvas->save(); 1382 canvas->translate(10, 10); 1383 canvas->drawRect(rect, paint); 1384 canvas->restore(); 1385 canvas->restore(); 1386 canvas->restore(); 1387 canvas->restore(); 1388 SkAutoTUnref<SkPicture> extraRestorePicture(recorder.endRecording()); 1389 1390 testCanvas.drawPicture(extraRestorePicture); 1391 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1392 } 1393 1394 set_canvas_to_save_count_4(&testCanvas); 1395 1396 { 1397 SkCanvas* canvas = recorder.beginRecording(100, 100); 1398 canvas->translate(10, 10); 1399 canvas->drawRect(rect, paint); 1400 SkAutoTUnref<SkPicture> noSavePicture(recorder.endRecording()); 1401 1402 testCanvas.drawPicture(noSavePicture); 1403 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1404 REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); 1405 } 1406} 1407 1408static void test_peephole() { 1409 SkRandom rand; 1410 1411 SkPictureRecorder recorder; 1412 1413 for (int j = 0; j < 100; j++) { 1414 SkRandom rand2(rand); // remember the seed 1415 1416 SkCanvas* canvas = recorder.beginRecording(100, 100); 1417 1418 for (int i = 0; i < 1000; ++i) { 1419 rand_op(canvas, rand); 1420 } 1421 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1422 1423 rand = rand2; 1424 } 1425 1426 { 1427 SkCanvas* canvas = recorder.beginRecording(100, 100); 1428 SkRect rect = SkRect::MakeWH(50, 50); 1429 1430 for (int i = 0; i < 100; ++i) { 1431 canvas->save(); 1432 } 1433 while (canvas->getSaveCount() > 1) { 1434 canvas->clipRect(rect); 1435 canvas->restore(); 1436 } 1437 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1438 } 1439} 1440 1441#ifndef SK_DEBUG 1442// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller 1443// should never do this. 1444static void test_bad_bitmap() { 1445 // This bitmap has a width and height but no pixels. As a result, attempting to record it will 1446 // fail. 1447 SkBitmap bm; 1448 bm.setInfo(SkImageInfo::MakeN32Premul(100, 100)); 1449 SkPictureRecorder recorder; 1450 SkCanvas* recordingCanvas = recorder.beginRecording(100, 100); 1451 recordingCanvas->drawBitmap(bm, 0, 0); 1452 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1453 1454 SkCanvas canvas; 1455 canvas.drawPicture(picture); 1456} 1457#endif 1458 1459static SkData* encode_bitmap_to_data(size_t*, const SkBitmap& bm) { 1460 return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); 1461} 1462 1463static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { 1464 SkPictureRecorder recorder; 1465 SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(bitmap.width()), 1466 SkIntToScalar(bitmap.height())); 1467 canvas->drawBitmap(bitmap, 0, 0); 1468 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1469 1470 SkDynamicMemoryWStream wStream; 1471 picture->serialize(&wStream, &encode_bitmap_to_data); 1472 return wStream.copyToData(); 1473} 1474 1475struct ErrorContext { 1476 int fErrors; 1477 skiatest::Reporter* fReporter; 1478}; 1479 1480static void assert_one_parse_error_cb(SkError error, void* context) { 1481 ErrorContext* errorContext = static_cast<ErrorContext*>(context); 1482 errorContext->fErrors++; 1483 // This test only expects one error, and that is a kParseError. If there are others, 1484 // there is some unknown problem. 1485 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, 1486 "This threw more errors than expected."); 1487 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, 1488 SkGetLastErrorString()); 1489} 1490 1491static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { 1492 // Create a bitmap that will be encoded. 1493 SkBitmap original; 1494 make_bm(&original, 100, 100, SK_ColorBLUE, true); 1495 SkDynamicMemoryWStream wStream; 1496 if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { 1497 return; 1498 } 1499 SkAutoDataUnref data(wStream.copyToData()); 1500 1501 SkBitmap bm; 1502 bool installSuccess = SkInstallDiscardablePixelRef( 1503 SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()), &bm); 1504 REPORTER_ASSERT(reporter, installSuccess); 1505 1506 // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. 1507 // Flattening original will follow the old path of performing an encode, while flattening bm 1508 // will use the already encoded data. 1509 SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); 1510 SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); 1511 REPORTER_ASSERT(reporter, picture1->equals(picture2)); 1512 // Now test that a parse error was generated when trying to create a new SkPicture without 1513 // providing a function to decode the bitmap. 1514 ErrorContext context; 1515 context.fErrors = 0; 1516 context.fReporter = reporter; 1517 SkSetErrorCallback(assert_one_parse_error_cb, &context); 1518 SkMemoryStream pictureStream(picture1); 1519 SkClearLastError(); 1520 SkAutoUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); 1521 REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); 1522 SkClearLastError(); 1523 SkSetErrorCallback(NULL, NULL); 1524} 1525 1526static void test_clip_bound_opt(skiatest::Reporter* reporter) { 1527 // Test for crbug.com/229011 1528 SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4), 1529 SkIntToScalar(2), SkIntToScalar(2)); 1530 SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7), 1531 SkIntToScalar(1), SkIntToScalar(1)); 1532 SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6), 1533 SkIntToScalar(1), SkIntToScalar(1)); 1534 1535 SkPath invPath; 1536 invPath.addOval(rect1); 1537 invPath.setFillType(SkPath::kInverseEvenOdd_FillType); 1538 SkPath path; 1539 path.addOval(rect2); 1540 SkPath path2; 1541 path2.addOval(rect3); 1542 SkIRect clipBounds; 1543 SkPictureRecorder recorder; 1544 1545 // Testing conservative-raster-clip that is enabled by PictureRecord 1546 { 1547 SkCanvas* canvas = recorder.beginRecording(10, 10); 1548 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1549 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1550 REPORTER_ASSERT(reporter, true == nonEmpty); 1551 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1552 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1553 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1554 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1555 } 1556 { 1557 SkCanvas* canvas = recorder.beginRecording(10, 10); 1558 canvas->clipPath(path, SkRegion::kIntersect_Op); 1559 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1560 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1561 REPORTER_ASSERT(reporter, true == nonEmpty); 1562 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1563 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1564 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1565 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1566 } 1567 { 1568 SkCanvas* canvas = recorder.beginRecording(10, 10); 1569 canvas->clipPath(path, SkRegion::kIntersect_Op); 1570 canvas->clipPath(invPath, SkRegion::kUnion_Op); 1571 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1572 REPORTER_ASSERT(reporter, true == nonEmpty); 1573 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1574 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1575 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1576 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1577 } 1578 { 1579 SkCanvas* canvas = recorder.beginRecording(10, 10); 1580 canvas->clipPath(path, SkRegion::kDifference_Op); 1581 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1582 REPORTER_ASSERT(reporter, true == nonEmpty); 1583 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1584 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1585 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1586 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1587 } 1588 { 1589 SkCanvas* canvas = recorder.beginRecording(10, 10); 1590 canvas->clipPath(path, SkRegion::kReverseDifference_Op); 1591 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1592 // True clip is actually empty in this case, but the best 1593 // determination we can make using only bounds as input is that the 1594 // clip is included in the bounds of 'path'. 1595 REPORTER_ASSERT(reporter, true == nonEmpty); 1596 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1597 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1598 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1599 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1600 } 1601 { 1602 SkCanvas* canvas = recorder.beginRecording(10, 10); 1603 canvas->clipPath(path, SkRegion::kIntersect_Op); 1604 canvas->clipPath(path2, SkRegion::kXOR_Op); 1605 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1606 REPORTER_ASSERT(reporter, true == nonEmpty); 1607 REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); 1608 REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); 1609 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1610 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1611 } 1612} 1613 1614/** 1615 * A canvas that records the number of clip commands. 1616 */ 1617class ClipCountingCanvas : public SkCanvas { 1618public: 1619 ClipCountingCanvas(int width, int height) 1620 : INHERITED(width, height) 1621 , fClipCount(0){ 1622 } 1623 1624 virtual void onClipRect(const SkRect& r, 1625 SkRegion::Op op, 1626 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1627 fClipCount += 1; 1628 this->INHERITED::onClipRect(r, op, edgeStyle); 1629 } 1630 1631 virtual void onClipRRect(const SkRRect& rrect, 1632 SkRegion::Op op, 1633 ClipEdgeStyle edgeStyle)SK_OVERRIDE { 1634 fClipCount += 1; 1635 this->INHERITED::onClipRRect(rrect, op, edgeStyle); 1636 } 1637 1638 virtual void onClipPath(const SkPath& path, 1639 SkRegion::Op op, 1640 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1641 fClipCount += 1; 1642 this->INHERITED::onClipPath(path, op, edgeStyle); 1643 } 1644 1645 virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE { 1646 fClipCount += 1; 1647 this->INHERITED::onClipRegion(deviceRgn, op); 1648 } 1649 1650 unsigned getClipCount() const { return fClipCount; } 1651 1652private: 1653 unsigned fClipCount; 1654 1655 typedef SkCanvas INHERITED; 1656}; 1657 1658static void test_clip_expansion(skiatest::Reporter* reporter) { 1659 SkPictureRecorder recorder; 1660 SkCanvas* canvas = recorder.beginRecording(10, 10); 1661 1662 canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op); 1663 // The following expanding clip should not be skipped. 1664 canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); 1665 // Draw something so the optimizer doesn't just fold the world. 1666 SkPaint p; 1667 p.setColor(SK_ColorBLUE); 1668 canvas->drawPaint(p); 1669 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1670 1671 ClipCountingCanvas testCanvas(10, 10); 1672 picture->playback(&testCanvas); 1673 1674 // Both clips should be present on playback. 1675 REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); 1676} 1677 1678static void test_hierarchical(skiatest::Reporter* reporter) { 1679 SkBitmap bm; 1680 make_bm(&bm, 10, 10, SK_ColorRED, true); 1681 1682 SkPictureRecorder recorder; 1683 1684 recorder.beginRecording(10, 10); 1685 SkAutoTUnref<SkPicture> childPlain(recorder.endRecording()); 1686 REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 1687 1688 recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); 1689 SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); 1690 REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 1691 1692 { 1693 SkCanvas* canvas = recorder.beginRecording(10, 10); 1694 canvas->drawPicture(childPlain); 1695 SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); 1696 REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 1697 } 1698 { 1699 SkCanvas* canvas = recorder.beginRecording(10, 10); 1700 canvas->drawPicture(childWithBitmap); 1701 SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); 1702 REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 1703 } 1704 { 1705 SkCanvas* canvas = recorder.beginRecording(10, 10); 1706 canvas->drawBitmap(bm, 0, 0); 1707 canvas->drawPicture(childPlain); 1708 SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); 1709 REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 1710 } 1711 { 1712 SkCanvas* canvas = recorder.beginRecording(10, 10); 1713 canvas->drawBitmap(bm, 0, 0); 1714 canvas->drawPicture(childWithBitmap); 1715 SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); 1716 REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 1717 } 1718} 1719 1720static void test_gen_id(skiatest::Reporter* reporter) { 1721 1722 SkPictureRecorder recorder; 1723 recorder.beginRecording(0, 0); 1724 SkAutoTUnref<SkPicture> empty(recorder.endRecording()); 1725 1726 // Empty pictures should still have a valid ID 1727 REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID); 1728 1729 SkCanvas* canvas = recorder.beginRecording(1, 1); 1730 canvas->drawARGB(255, 255, 255, 255); 1731 SkAutoTUnref<SkPicture> hasData(recorder.endRecording()); 1732 // picture should have a non-zero id after recording 1733 REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID); 1734 1735 // both pictures should have different ids 1736 REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID()); 1737} 1738 1739DEF_TEST(Picture, reporter) { 1740#ifdef SK_DEBUG 1741 test_deleting_empty_picture(); 1742 test_serializing_empty_picture(); 1743#else 1744 test_bad_bitmap(); 1745#endif 1746 test_unbalanced_save_restores(reporter); 1747 test_peephole(); 1748#if SK_SUPPORT_GPU 1749 test_gpu_veto(reporter); 1750#endif 1751 test_has_text(reporter); 1752 test_analysis(reporter); 1753 test_gatherpixelrefs(reporter); 1754 test_gatherpixelrefsandrects(reporter); 1755 test_bitmap_with_encoded_data(reporter); 1756 test_clip_bound_opt(reporter); 1757 test_clip_expansion(reporter); 1758 test_hierarchical(reporter); 1759 test_gen_id(reporter); 1760} 1761 1762#if SK_SUPPORT_GPU 1763DEF_GPUTEST(GPUPicture, reporter, factory) { 1764 test_gpu_picture_optimization(reporter, factory); 1765} 1766#endif 1767 1768static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) { 1769 const SkPaint paint; 1770 const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f }; 1771 const SkIRect irect = { 2, 2, 3, 3 }; 1772 1773 // Don't care what these record, as long as they're legal. 1774 canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); 1775 canvas->drawBitmapRectToRect(bitmap, &rect, rect, &paint, SkCanvas::kNone_DrawBitmapRectFlag); 1776 canvas->drawBitmapMatrix(bitmap, SkMatrix::I(), &paint); 1777 canvas->drawBitmapNine(bitmap, irect, rect, &paint); 1778 canvas->drawSprite(bitmap, 1, 1); 1779} 1780 1781static void test_draw_bitmaps(SkCanvas* canvas) { 1782 SkBitmap empty; 1783 draw_bitmaps(empty, canvas); 1784 empty.setInfo(SkImageInfo::MakeN32Premul(10, 10)); 1785 draw_bitmaps(empty, canvas); 1786} 1787 1788DEF_TEST(Picture_EmptyBitmap, r) { 1789 SkPictureRecorder recorder; 1790 test_draw_bitmaps(recorder.beginRecording(10, 10)); 1791 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1792} 1793 1794DEF_TEST(Canvas_EmptyBitmap, r) { 1795 SkBitmap dst; 1796 dst.allocN32Pixels(10, 10); 1797 SkCanvas canvas(dst); 1798 1799 test_draw_bitmaps(&canvas); 1800} 1801 1802DEF_TEST(DontOptimizeSaveLayerDrawDrawRestore, reporter) { 1803 // This test is from crbug.com/344987. 1804 // The commands are: 1805 // saveLayer with paint that modifies alpha 1806 // drawBitmapRectToRect 1807 // drawBitmapRectToRect 1808 // restore 1809 // The bug was that this structure was modified so that: 1810 // - The saveLayer and restore were eliminated 1811 // - The alpha was only applied to the first drawBitmapRectToRect 1812 1813 // This test draws blue and red squares inside a 50% transparent 1814 // layer. Both colours should show up muted. 1815 // When the bug is present, the red square (the second bitmap) 1816 // shows upwith full opacity. 1817 1818 SkBitmap blueBM; 1819 make_bm(&blueBM, 100, 100, SkColorSetARGB(255, 0, 0, 255), true); 1820 SkBitmap redBM; 1821 make_bm(&redBM, 100, 100, SkColorSetARGB(255, 255, 0, 0), true); 1822 SkPaint semiTransparent; 1823 semiTransparent.setAlpha(0x80); 1824 1825 SkPictureRecorder recorder; 1826 SkCanvas* canvas = recorder.beginRecording(100, 100); 1827 canvas->drawARGB(0, 0, 0, 0); 1828 1829 canvas->saveLayer(0, &semiTransparent); 1830 canvas->drawBitmap(blueBM, 25, 25); 1831 canvas->drawBitmap(redBM, 50, 50); 1832 canvas->restore(); 1833 1834 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1835 1836 // Now replay the picture back on another canvas 1837 // and check a couple of its pixels. 1838 SkBitmap replayBM; 1839 make_bm(&replayBM, 100, 100, SK_ColorBLACK, false); 1840 SkCanvas replayCanvas(replayBM); 1841 picture->playback(&replayCanvas); 1842 replayCanvas.flush(); 1843 1844 // With the bug present, at (55, 55) we would get a fully opaque red 1845 // intead of a dark red. 1846 REPORTER_ASSERT(reporter, replayBM.getColor(30, 30) == 0xff000080); 1847 REPORTER_ASSERT(reporter, replayBM.getColor(55, 55) == 0xff800000); 1848} 1849 1850struct CountingBBH : public SkBBoxHierarchy { 1851 mutable int searchCalls; 1852 1853 CountingBBH() : searchCalls(0) {} 1854 1855 virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const SK_OVERRIDE { 1856 this->searchCalls++; 1857 } 1858 1859 virtual void insert(SkAutoTMalloc<SkRect>*, int) SK_OVERRIDE {} 1860}; 1861 1862class SpoonFedBBHFactory : public SkBBHFactory { 1863public: 1864 explicit SpoonFedBBHFactory(SkBBoxHierarchy* bbh) : fBBH(bbh) {} 1865 virtual SkBBoxHierarchy* operator()(int width, int height) const { 1866 return SkRef(fBBH); 1867 } 1868private: 1869 SkBBoxHierarchy* fBBH; 1870}; 1871 1872// When the canvas clip covers the full picture, we don't need to call the BBH. 1873DEF_TEST(Picture_SkipBBH, r) { 1874 CountingBBH bbh; 1875 SpoonFedBBHFactory factory(&bbh); 1876 1877 SkPictureRecorder recorder; 1878 recorder.beginRecording(320, 240, &factory); 1879 SkAutoTUnref<const SkPicture> picture(recorder.endRecording()); 1880 1881 SkCanvas big(640, 480), small(300, 200); 1882 1883 picture->playback(&big); 1884 REPORTER_ASSERT(r, bbh.searchCalls == 0); 1885 1886 picture->playback(&small); 1887 REPORTER_ASSERT(r, bbh.searchCalls == 1); 1888} 1889 1890DEF_TEST(Picture_BitmapLeak, r) { 1891 SkBitmap mut, immut; 1892 mut.allocN32Pixels(300, 200); 1893 immut.allocN32Pixels(300, 200); 1894 immut.setImmutable(); 1895 SkASSERT(!mut.isImmutable()); 1896 SkASSERT(immut.isImmutable()); 1897 1898 // No one can hold a ref on our pixels yet. 1899 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1900 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1901 1902 SkPictureRecorder rec; 1903 SkCanvas* canvas = rec.beginRecording(1920, 1200); 1904 canvas->drawBitmap(mut, 0, 0); 1905 canvas->drawBitmap(immut, 800, 600); 1906 SkAutoTDelete<const SkPicture> pic(rec.endRecording()); 1907 1908 // The picture shares the immutable pixels but copies the mutable ones. 1909 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1910 REPORTER_ASSERT(r, !immut.pixelRef()->unique()); 1911 1912 // When the picture goes away, it's just our bitmaps holding the refs. 1913 pic.reset(NULL); 1914 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1915 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1916} 1917