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#define GENERATE_CANVAS(recorder, x) \ 583 (x) ? recorder.EXPERIMENTAL_beginRecording(100, 100) \ 584 : recorder. DEPRECATED_beginRecording(100,100); 585 586/* Hit a few SkPicture::Analysis cases not handled elsewhere. */ 587static void test_analysis(skiatest::Reporter* reporter, bool useNewPath) { 588 SkPictureRecorder recorder; 589 590 SkCanvas* canvas = GENERATE_CANVAS(recorder, useNewPath); 591 { 592 canvas->drawRect(SkRect::MakeWH(10, 10), SkPaint ()); 593 } 594 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 595 REPORTER_ASSERT(reporter, !picture->willPlayBackBitmaps()); 596 597 canvas = GENERATE_CANVAS(recorder, useNewPath); 598 { 599 SkPaint paint; 600 // CreateBitmapShader is too smart for us; an empty (or 1x1) bitmap shader 601 // gets optimized into a non-bitmap form, so we create a 2x2 bitmap here. 602 SkBitmap bitmap; 603 bitmap.allocPixels(SkImageInfo::MakeN32Premul(2, 2)); 604 bitmap.eraseColor(SK_ColorBLUE); 605 *(bitmap.getAddr32(0, 0)) = SK_ColorGREEN; 606 SkShader* shader = SkShader::CreateBitmapShader(bitmap, SkShader::kClamp_TileMode, 607 SkShader::kClamp_TileMode); 608 paint.setShader(shader)->unref(); 609 REPORTER_ASSERT(reporter, 610 shader->asABitmap(NULL, NULL, NULL) == SkShader::kDefault_BitmapType); 611 612 canvas->drawRect(SkRect::MakeWH(10, 10), paint); 613 } 614 picture.reset(recorder.endRecording()); 615 REPORTER_ASSERT(reporter, picture->willPlayBackBitmaps()); 616} 617 618 619static void test_gatherpixelrefsandrects(skiatest::Reporter* reporter) { 620 const int IW = 32; 621 const int IH = IW; 622 const SkScalar W = SkIntToScalar(IW); 623 const SkScalar H = W; 624 625 static const int N = 4; 626 SkBitmap bm[2*N]; 627 SkPixelRef* refs[2*N]; 628 SkTDArray<SkPixelRef*> analytic[N]; 629 630 const SkPoint pos[N] = { 631 { 0, 0 }, { W, 0 }, { 0, H }, { W, H } 632 }; 633 634 create_textures(bm, refs, N, IW, IH); 635 636 SkRandom rand; 637 for (size_t k = 0; k < SK_ARRAY_COUNT(gProcs); ++k) { 638 SkAutoTUnref<SkPicture> pic( 639 record_bitmaps(bm, pos, analytic, N, gProcs[k].proc)); 640 641 REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0); 642 643 SkAutoTUnref<SkPictureUtils::SkPixelRefContainer> prCont( 644 new SkPictureUtils::SkPixelRefsAndRectsList); 645 646 SkPictureUtils::GatherPixelRefsAndRects(pic, prCont); 647 648 // quick check for a small piece of each quadrant, which should just 649 // contain 1 or 2 bitmaps. 650 for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) { 651 SkRect r; 652 r.set(2, 2, W - 2, H - 2); 653 r.offset(pos[i].fX, pos[i].fY); 654 655 SkTDArray<SkPixelRef*> gatheredRefs; 656 prCont->query(r, &gatheredRefs); 657 658 int count = gatheredRefs.count(); 659 REPORTER_ASSERT(reporter, 1 == count || 2 == count); 660 if (1 == count) { 661 REPORTER_ASSERT(reporter, gatheredRefs[0] == refs[i]); 662 } else if (2 == count) { 663 REPORTER_ASSERT(reporter, 664 (gatheredRefs[0] == refs[i] && gatheredRefs[1] == refs[i+N]) || 665 (gatheredRefs[1] == refs[i] && gatheredRefs[0] == refs[i+N])); 666 } 667 } 668 669 SkBitmap image; 670 draw(pic, 2*IW, 2*IH, &image); 671 672 // Test a bunch of random (mostly) rects, and compare the gather results 673 // with the analytic results and the pixel refs seen in a rendering. 674 for (int j = 0; j < 100; ++j) { 675 SkRect r; 676 rand_rect(&r, rand, 2*W, 2*H); 677 678 SkTDArray<SkPixelRef*> fromImage; 679 gather_from_image(image, refs, N, &fromImage, r); 680 681 SkTDArray<SkPixelRef*> fromAnalytic; 682 gather_from_analytic(pos, W, H, analytic, N, &fromAnalytic, r); 683 684 SkTDArray<SkPixelRef*> gatheredRefs; 685 prCont->query(r, &gatheredRefs); 686 687 // Everything that we saw drawn should appear in the analytic list 688 // but the analytic list may contain some pixelRefs that were not 689 // seen in the image (e.g., A8 textures used as masks) 690 for (int i = 0; i < fromImage.count(); ++i) { 691 REPORTER_ASSERT(reporter, -1 != fromAnalytic.find(fromImage[i])); 692 } 693 694 // Everything in the analytic list should appear in the gathered 695 // list. 696 for (int i = 0; i < fromAnalytic.count(); ++i) { 697 REPORTER_ASSERT(reporter, -1 != gatheredRefs.find(fromAnalytic[i])); 698 } 699 } 700 } 701} 702 703#ifdef SK_DEBUG 704// Ensure that deleting an empty SkPicture does not assert. Asserts only fire 705// in debug mode, so only run in debug mode. 706static void test_deleting_empty_picture() { 707 SkPictureRecorder recorder; 708 // Creates an SkPictureRecord 709 recorder.beginRecording(0, 0); 710 // Turns that into an SkPicture 711 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 712 // Ceates a new SkPictureRecord 713 recorder.beginRecording(0, 0); 714} 715 716// Ensure that serializing an empty picture does not assert. Likewise only runs in debug mode. 717static void test_serializing_empty_picture() { 718 SkPictureRecorder recorder; 719 recorder.beginRecording(0, 0); 720 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 721 SkDynamicMemoryWStream stream; 722 picture->serialize(&stream); 723} 724#endif 725 726static void rand_op(SkCanvas* canvas, SkRandom& rand) { 727 SkPaint paint; 728 SkRect rect = SkRect::MakeWH(50, 50); 729 730 SkScalar unit = rand.nextUScalar1(); 731 if (unit <= 0.3) { 732// SkDebugf("save\n"); 733 canvas->save(); 734 } else if (unit <= 0.6) { 735// SkDebugf("restore\n"); 736 canvas->restore(); 737 } else if (unit <= 0.9) { 738// SkDebugf("clip\n"); 739 canvas->clipRect(rect); 740 } else { 741// SkDebugf("draw\n"); 742 canvas->drawPaint(paint); 743 } 744} 745 746#if SK_SUPPORT_GPU 747 748static void test_gpu_veto(skiatest::Reporter* reporter, 749 bool useNewPath) { 750 751 SkPictureRecorder recorder; 752 753 SkCanvas* canvas = GENERATE_CANVAS(recorder, useNewPath); 754 { 755 SkPath path; 756 path.moveTo(0, 0); 757 path.lineTo(50, 50); 758 759 SkScalar intervals[] = { 1.0f, 1.0f }; 760 SkAutoTUnref<SkDashPathEffect> dash(SkDashPathEffect::Create(intervals, 2, 0)); 761 762 SkPaint paint; 763 paint.setStyle(SkPaint::kStroke_Style); 764 paint.setPathEffect(dash); 765 766 canvas->drawPath(path, paint); 767 } 768 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 769 // path effects currently render an SkPicture undesireable for GPU rendering 770 771 const char *reason = NULL; 772 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL, &reason)); 773 REPORTER_ASSERT(reporter, reason); 774 775 canvas = GENERATE_CANVAS(recorder, useNewPath); 776 { 777 SkPath path; 778 779 path.moveTo(0, 0); 780 path.lineTo(0, 50); 781 path.lineTo(25, 25); 782 path.lineTo(50, 50); 783 path.lineTo(50, 0); 784 path.close(); 785 REPORTER_ASSERT(reporter, !path.isConvex()); 786 787 SkPaint paint; 788 paint.setAntiAlias(true); 789 for (int i = 0; i < 50; ++i) { 790 canvas->drawPath(path, paint); 791 } 792 } 793 picture.reset(recorder.endRecording()); 794 // A lot of AA concave paths currently render an SkPicture undesireable for GPU rendering 795 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 796 797 canvas = GENERATE_CANVAS(recorder, useNewPath); 798 { 799 SkPath path; 800 801 path.moveTo(0, 0); 802 path.lineTo(0, 50); 803 path.lineTo(25, 25); 804 path.lineTo(50, 50); 805 path.lineTo(50, 0); 806 path.close(); 807 REPORTER_ASSERT(reporter, !path.isConvex()); 808 809 SkPaint paint; 810 paint.setAntiAlias(true); 811 paint.setStyle(SkPaint::kStroke_Style); 812 paint.setStrokeWidth(0); 813 for (int i = 0; i < 50; ++i) { 814 canvas->drawPath(path, paint); 815 } 816 } 817 picture.reset(recorder.endRecording()); 818 // hairline stroked AA concave paths are fine for GPU rendering 819 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 820 821 canvas = GENERATE_CANVAS(recorder, useNewPath); 822 { 823 SkPaint paint; 824 SkScalar intervals [] = { 10, 20 }; 825 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); 826 paint.setPathEffect(pe)->unref(); 827 828 SkPoint points [2] = { { 0, 0 }, { 100, 0 } }; 829 canvas->drawPoints(SkCanvas::kLines_PointMode, 2, points, paint); 830 } 831 picture.reset(recorder.endRecording()); 832 // fast-path dashed effects are fine for GPU rendering ... 833 REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 834 835 canvas = GENERATE_CANVAS(recorder, useNewPath); 836 { 837 SkPaint paint; 838 SkScalar intervals [] = { 10, 20 }; 839 SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); 840 paint.setPathEffect(pe)->unref(); 841 842 canvas->drawRect(SkRect::MakeWH(10, 10), paint); 843 } 844 picture.reset(recorder.endRecording()); 845 // ... but only when applied to drawPoint() calls 846 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 847 848 // Nest the previous picture inside a new one. 849 // This doesn't work in the old backend. 850 if (useNewPath) { 851 canvas = GENERATE_CANVAS(recorder, useNewPath); 852 { 853 canvas->drawPicture(picture.get()); 854 } 855 picture.reset(recorder.endRecording()); 856 REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 857 } 858} 859 860#undef GENERATE_CANVAS 861 862static void test_gpu_picture_optimization(skiatest::Reporter* reporter, 863 GrContextFactory* factory) { 864 for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) { 865 GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i; 866 867 if (!GrContextFactory::IsRenderingGLContext(glCtxType)) { 868 continue; 869 } 870 871 GrContext* context = factory->get(glCtxType); 872 873 if (NULL == context) { 874 continue; 875 } 876 877 static const int kWidth = 100; 878 static const int kHeight = 100; 879 880 SkAutoTUnref<SkPicture> pict, child; 881 882 { 883 SkPictureRecorder recorder; 884 885 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight)); 886 887 c->saveLayer(NULL, NULL); 888 c->restore(); 889 890 child.reset(recorder.endRecording()); 891 } 892 893 // create a picture with the structure: 894 // 1) 895 // SaveLayer 896 // Restore 897 // 2) 898 // SaveLayer 899 // Translate 900 // SaveLayer w/ bound 901 // Restore 902 // Restore 903 // 3) 904 // SaveLayer w/ copyable paint 905 // Restore 906 // 4) 907 // SaveLayer 908 // DrawPicture (which has a SaveLayer/Restore pair) 909 // Restore 910 // 5) 911 // SaveLayer 912 // DrawPicture with Matrix & Paint (with SaveLayer/Restore pair) 913 // Restore 914 { 915 SkPictureRecorder recorder; 916 917 SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), 918 SkIntToScalar(kHeight)); 919 // 1) 920 c->saveLayer(NULL, NULL); // layer #0 921 c->restore(); 922 923 // 2) 924 c->saveLayer(NULL, NULL); // layer #1 925 c->translate(kWidth/2.0f, kHeight/2.0f); 926 SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2); 927 c->saveLayer(&r, NULL); // layer #2 928 c->restore(); 929 c->restore(); 930 931 // 3) 932 { 933 SkPaint p; 934 p.setColor(SK_ColorRED); 935 c->saveLayer(NULL, &p); // layer #3 936 c->restore(); 937 } 938 939 SkPaint layerPaint; 940 layerPaint.setColor(SK_ColorRED); // Non-alpha only to avoid SaveLayerDrawRestoreNooper 941 // 4) 942 { 943 c->saveLayer(NULL, &layerPaint); // layer #4 944 c->drawPicture(child); // layer #5 inside picture 945 c->restore(); 946 } 947 // 5 948 { 949 SkPaint picturePaint; 950 SkMatrix trans; 951 trans.setTranslate(10, 10); 952 953 c->saveLayer(NULL, &layerPaint); // layer #6 954 c->drawPicture(child, &trans, &picturePaint); // layer #7 inside picture 955 c->restore(); 956 } 957 958 pict.reset(recorder.endRecording()); 959 } 960 961 // Now test out the SaveLayer extraction 962 { 963 SkImageInfo info = SkImageInfo::MakeN32Premul(kWidth, kHeight); 964 965 SkAutoTUnref<SkSurface> surface(SkSurface::NewScratchRenderTarget(context, info)); 966 967 SkCanvas* canvas = surface->getCanvas(); 968 969 canvas->EXPERIMENTAL_optimize(pict); 970 971 SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey(); 972 973 const SkPicture::AccelData* data = pict->EXPERIMENTAL_getAccelData(key); 974 REPORTER_ASSERT(reporter, data); 975 976 const GrAccelData *gpuData = static_cast<const GrAccelData*>(data); 977 REPORTER_ASSERT(reporter, 8 == gpuData->numSaveLayers()); 978 979 const GrAccelData::SaveLayerInfo& info0 = gpuData->saveLayerInfo(0); 980 // The parent/child layers appear in reverse order 981 const GrAccelData::SaveLayerInfo& info1 = gpuData->saveLayerInfo(2); 982 const GrAccelData::SaveLayerInfo& info2 = gpuData->saveLayerInfo(1); 983 984 const GrAccelData::SaveLayerInfo& info3 = gpuData->saveLayerInfo(3); 985 986 // The parent/child layers appear in reverse order 987 const GrAccelData::SaveLayerInfo& info4 = gpuData->saveLayerInfo(5); 988 const GrAccelData::SaveLayerInfo& info5 = gpuData->saveLayerInfo(4); 989 990 // The parent/child layers appear in reverse order 991 const GrAccelData::SaveLayerInfo& info6 = gpuData->saveLayerInfo(7); 992 const GrAccelData::SaveLayerInfo& info7 = gpuData->saveLayerInfo(6); 993 994 REPORTER_ASSERT(reporter, info0.fValid); 995 REPORTER_ASSERT(reporter, NULL == info0.fPicture); 996 REPORTER_ASSERT(reporter, kWidth == info0.fSize.fWidth && 997 kHeight == info0.fSize.fHeight); 998 REPORTER_ASSERT(reporter, info0.fOriginXform.isIdentity()); 999 REPORTER_ASSERT(reporter, 0 == info0.fOffset.fX && 0 == info0.fOffset.fY); 1000 REPORTER_ASSERT(reporter, NULL == info0.fPaint); 1001 REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers); 1002 1003 REPORTER_ASSERT(reporter, info1.fValid); 1004 REPORTER_ASSERT(reporter, NULL == info1.fPicture); 1005 REPORTER_ASSERT(reporter, kWidth == info1.fSize.fWidth && 1006 kHeight == info1.fSize.fHeight); 1007 REPORTER_ASSERT(reporter, info1.fOriginXform.isIdentity()); 1008 REPORTER_ASSERT(reporter, 0 == info1.fOffset.fX && 0 == info1.fOffset.fY); 1009 REPORTER_ASSERT(reporter, NULL == info1.fPaint); 1010 REPORTER_ASSERT(reporter, !info1.fIsNested && 1011 info1.fHasNestedLayers); // has a nested SL 1012 1013 REPORTER_ASSERT(reporter, info2.fValid); 1014 REPORTER_ASSERT(reporter, NULL == info2.fPicture); 1015 REPORTER_ASSERT(reporter, kWidth / 2 == info2.fSize.fWidth && 1016 kHeight/2 == info2.fSize.fHeight); // bound reduces size 1017 REPORTER_ASSERT(reporter, !info2.fOriginXform.isIdentity()); 1018 REPORTER_ASSERT(reporter, kWidth/2 == info2.fOffset.fX && // translated 1019 kHeight/2 == info2.fOffset.fY); 1020 REPORTER_ASSERT(reporter, NULL == info1.fPaint); 1021 REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested 1022 1023 REPORTER_ASSERT(reporter, info3.fValid); 1024 REPORTER_ASSERT(reporter, NULL == info3.fPicture); 1025 REPORTER_ASSERT(reporter, kWidth == info3.fSize.fWidth && 1026 kHeight == info3.fSize.fHeight); 1027 REPORTER_ASSERT(reporter, info3.fOriginXform.isIdentity()); 1028 REPORTER_ASSERT(reporter, 0 == info3.fOffset.fX && 0 == info3.fOffset.fY); 1029 REPORTER_ASSERT(reporter, info3.fPaint); 1030 REPORTER_ASSERT(reporter, !info3.fIsNested && !info3.fHasNestedLayers); 1031 1032 REPORTER_ASSERT(reporter, info4.fValid); 1033 REPORTER_ASSERT(reporter, NULL == info4.fPicture); 1034 REPORTER_ASSERT(reporter, kWidth == info4.fSize.fWidth && 1035 kHeight == info4.fSize.fHeight); 1036 REPORTER_ASSERT(reporter, 0 == info4.fOffset.fX && 0 == info4.fOffset.fY); 1037 REPORTER_ASSERT(reporter, info4.fOriginXform.isIdentity()); 1038 REPORTER_ASSERT(reporter, info4.fPaint); 1039 REPORTER_ASSERT(reporter, !info4.fIsNested && 1040 info4.fHasNestedLayers); // has a nested SL 1041 1042 REPORTER_ASSERT(reporter, info5.fValid); 1043 REPORTER_ASSERT(reporter, child == info5.fPicture); // in a child picture 1044 REPORTER_ASSERT(reporter, kWidth == info5.fSize.fWidth && 1045 kHeight == info5.fSize.fHeight); 1046 REPORTER_ASSERT(reporter, 0 == info5.fOffset.fX && 0 == info5.fOffset.fY); 1047 REPORTER_ASSERT(reporter, info5.fOriginXform.isIdentity()); 1048 REPORTER_ASSERT(reporter, NULL == info5.fPaint); 1049 REPORTER_ASSERT(reporter, info5.fIsNested && !info5.fHasNestedLayers); // is nested 1050 1051 REPORTER_ASSERT(reporter, info6.fValid); 1052 REPORTER_ASSERT(reporter, NULL == info6.fPicture); 1053 REPORTER_ASSERT(reporter, kWidth == info6.fSize.fWidth && 1054 kHeight == info6.fSize.fHeight); 1055 REPORTER_ASSERT(reporter, 0 == info6.fOffset.fX && 0 == info6.fOffset.fY); 1056 REPORTER_ASSERT(reporter, info6.fOriginXform.isIdentity()); 1057 REPORTER_ASSERT(reporter, info6.fPaint); 1058 REPORTER_ASSERT(reporter, !info6.fIsNested && 1059 info6.fHasNestedLayers); // has a nested SL 1060 1061 REPORTER_ASSERT(reporter, info7.fValid); 1062 REPORTER_ASSERT(reporter, child == info7.fPicture); // in a child picture 1063 REPORTER_ASSERT(reporter, kWidth == info7.fSize.fWidth && 1064 kHeight == info7.fSize.fHeight); 1065 REPORTER_ASSERT(reporter, 0 == info7.fOffset.fX && 0 == info7.fOffset.fY); 1066 REPORTER_ASSERT(reporter, info7.fOriginXform.isIdentity()); 1067 REPORTER_ASSERT(reporter, NULL == info7.fPaint); 1068 REPORTER_ASSERT(reporter, info7.fIsNested && !info7.fHasNestedLayers); // is nested 1069 } 1070 } 1071} 1072 1073#endif 1074 1075static void test_has_text(skiatest::Reporter* reporter, bool useNewPath) { 1076 SkPictureRecorder recorder; 1077#define BEGIN_RECORDING useNewPath ? recorder.EXPERIMENTAL_beginRecording(100, 100) \ 1078 : recorder. DEPRECATED_beginRecording(100, 100) 1079 1080 SkCanvas* canvas = BEGIN_RECORDING; 1081 { 1082 canvas->drawRect(SkRect::MakeWH(20, 20), SkPaint()); 1083 } 1084 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1085 REPORTER_ASSERT(reporter, !picture->hasText()); 1086 1087 SkPoint point = SkPoint::Make(10, 10); 1088 canvas = BEGIN_RECORDING; 1089 { 1090 canvas->drawText("Q", 1, point.fX, point.fY, SkPaint()); 1091 } 1092 picture.reset(recorder.endRecording()); 1093 REPORTER_ASSERT(reporter, picture->hasText()); 1094 1095 canvas = BEGIN_RECORDING; 1096 { 1097 canvas->drawPosText("Q", 1, &point, SkPaint()); 1098 } 1099 picture.reset(recorder.endRecording()); 1100 REPORTER_ASSERT(reporter, picture->hasText()); 1101 1102 canvas = BEGIN_RECORDING; 1103 { 1104 canvas->drawPosTextH("Q", 1, &point.fX, point.fY, SkPaint()); 1105 } 1106 picture.reset(recorder.endRecording()); 1107 REPORTER_ASSERT(reporter, picture->hasText()); 1108 1109 canvas = BEGIN_RECORDING; 1110 { 1111 SkPath path; 1112 path.moveTo(0, 0); 1113 path.lineTo(50, 50); 1114 1115 canvas->drawTextOnPathHV("Q", 1, path, point.fX, point.fY, SkPaint()); 1116 } 1117 picture.reset(recorder.endRecording()); 1118 REPORTER_ASSERT(reporter, picture->hasText()); 1119 1120 canvas = BEGIN_RECORDING; 1121 { 1122 SkPath path; 1123 path.moveTo(0, 0); 1124 path.lineTo(50, 50); 1125 1126 canvas->drawTextOnPath("Q", 1, path, NULL, SkPaint()); 1127 } 1128 picture.reset(recorder.endRecording()); 1129 REPORTER_ASSERT(reporter, picture->hasText()); 1130 1131 // Nest the previous picture inside a new one. 1132 // This doesn't work in the old backend. 1133 if (useNewPath) { 1134 canvas = BEGIN_RECORDING; 1135 { 1136 canvas->drawPicture(picture.get()); 1137 } 1138 picture.reset(recorder.endRecording()); 1139 REPORTER_ASSERT(reporter, picture->hasText()); 1140 } 1141#undef BEGIN_RECORDING 1142} 1143 1144static void set_canvas_to_save_count_4(SkCanvas* canvas) { 1145 canvas->restoreToCount(1); 1146 canvas->save(); 1147 canvas->save(); 1148 canvas->save(); 1149} 1150 1151/** 1152 * A canvas that records the number of saves, saveLayers and restores. 1153 */ 1154class SaveCountingCanvas : public SkCanvas { 1155public: 1156 SaveCountingCanvas(int width, int height) 1157 : INHERITED(width, height) 1158 , fSaveCount(0) 1159 , fSaveLayerCount(0) 1160 , fRestoreCount(0){ 1161 } 1162 1163 virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, 1164 SaveFlags flags) SK_OVERRIDE { 1165 ++fSaveLayerCount; 1166 return this->INHERITED::willSaveLayer(bounds, paint, flags); 1167 } 1168 1169 virtual void willSave() SK_OVERRIDE { 1170 ++fSaveCount; 1171 this->INHERITED::willSave(); 1172 } 1173 1174 virtual void willRestore() SK_OVERRIDE { 1175 ++fRestoreCount; 1176 this->INHERITED::willRestore(); 1177 } 1178 1179 unsigned int getSaveCount() const { return fSaveCount; } 1180 unsigned int getSaveLayerCount() const { return fSaveLayerCount; } 1181 unsigned int getRestoreCount() const { return fRestoreCount; } 1182 1183private: 1184 unsigned int fSaveCount; 1185 unsigned int fSaveLayerCount; 1186 unsigned int fRestoreCount; 1187 1188 typedef SkCanvas INHERITED; 1189}; 1190 1191void check_save_state(skiatest::Reporter* reporter, SkPicture* picture, 1192 unsigned int numSaves, unsigned int numSaveLayers, 1193 unsigned int numRestores) { 1194 SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()), 1195 SkScalarCeilToInt(picture->cullRect().height())); 1196 1197 picture->playback(&canvas); 1198 1199 // Optimizations may have removed these, 1200 // so expect to have seen no more than num{Saves,SaveLayers,Restores}. 1201 REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount()); 1202 REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount()); 1203 REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount()); 1204} 1205 1206// This class exists so SkPicture can friend it and give it access to 1207// the 'partialReplay' method. 1208class SkPictureRecorderReplayTester { 1209public: 1210 static SkPicture* Copy(SkPictureRecorder* recorder) { 1211 SkPictureRecorder recorder2; 1212 1213 SkCanvas* canvas = recorder2.beginRecording(10, 10); 1214 1215 recorder->partialReplay(canvas); 1216 1217 return recorder2.endRecording(); 1218 } 1219}; 1220 1221static void create_imbalance(SkCanvas* canvas) { 1222 SkRect clipRect = SkRect::MakeWH(2, 2); 1223 SkRect drawRect = SkRect::MakeWH(10, 10); 1224 canvas->save(); 1225 canvas->clipRect(clipRect, SkRegion::kReplace_Op); 1226 canvas->translate(1.0f, 1.0f); 1227 SkPaint p; 1228 p.setColor(SK_ColorGREEN); 1229 canvas->drawRect(drawRect, p); 1230 // no restore 1231} 1232 1233// This tests that replaying a potentially unbalanced picture into a canvas 1234// doesn't affect the canvas' save count or matrix/clip state. 1235static void check_balance(skiatest::Reporter* reporter, SkPicture* picture) { 1236 SkBitmap bm; 1237 bm.allocN32Pixels(4, 3); 1238 SkCanvas canvas(bm); 1239 1240 int beforeSaveCount = canvas.getSaveCount(); 1241 1242 SkMatrix beforeMatrix = canvas.getTotalMatrix(); 1243 1244 SkRect beforeClip; 1245 1246 canvas.getClipBounds(&beforeClip); 1247 1248 canvas.drawPicture(picture); 1249 1250 REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount()); 1251 REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix()); 1252 1253 SkRect afterClip; 1254 1255 canvas.getClipBounds(&afterClip); 1256 1257 REPORTER_ASSERT(reporter, afterClip == beforeClip); 1258} 1259 1260// Test out SkPictureRecorder::partialReplay 1261DEF_TEST(PictureRecorder_replay, reporter) { 1262 // check save/saveLayer state 1263 { 1264 SkPictureRecorder recorder; 1265 1266 SkCanvas* canvas = recorder.beginRecording(10, 10); 1267 1268 canvas->saveLayer(NULL, NULL); 1269 1270 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1271 1272 // The extra save and restore comes from the Copy process. 1273 check_save_state(reporter, copy, 2, 1, 3); 1274 1275 canvas->saveLayer(NULL, NULL); 1276 1277 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1278 1279 check_save_state(reporter, final, 1, 2, 3); 1280 1281 // The copy shouldn't pick up any operations added after it was made 1282 check_save_state(reporter, copy, 2, 1, 3); 1283 } 1284 1285 // (partially) check leakage of draw ops 1286 { 1287 SkPictureRecorder recorder; 1288 1289 SkCanvas* canvas = recorder.beginRecording(10, 10); 1290 1291 SkRect r = SkRect::MakeWH(5, 5); 1292 SkPaint p; 1293 1294 canvas->drawRect(r, p); 1295 1296 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1297 1298 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1299 1300 SkBitmap bm; 1301 make_bm(&bm, 10, 10, SK_ColorRED, true); 1302 1303 r.offset(5.0f, 5.0f); 1304 canvas->drawBitmapRectToRect(bm, NULL, r); 1305 1306 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1307 REPORTER_ASSERT(reporter, final->willPlayBackBitmaps()); 1308 1309 REPORTER_ASSERT(reporter, copy->uniqueID() != final->uniqueID()); 1310 1311 // The snapshot shouldn't pick up any operations added after it was made 1312 REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); 1313 } 1314 1315 // Recreate the Android partialReplay test case 1316 { 1317 SkPictureRecorder recorder; 1318 1319 SkCanvas* canvas = recorder.beginRecording(4, 3, NULL, 0); 1320 create_imbalance(canvas); 1321 1322 int expectedSaveCount = canvas->getSaveCount(); 1323 1324 SkAutoTUnref<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); 1325 check_balance(reporter, copy); 1326 1327 REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount()); 1328 1329 // End the recording of source to test the picture finalization 1330 // process isn't complicated by the partialReplay step 1331 SkAutoTUnref<SkPicture> final(recorder.endRecording()); 1332 } 1333} 1334 1335static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { 1336 SkCanvas testCanvas(100, 100); 1337 set_canvas_to_save_count_4(&testCanvas); 1338 1339 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1340 1341 SkPaint paint; 1342 SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000); 1343 1344 SkPictureRecorder recorder; 1345 1346 { 1347 // Create picture with 2 unbalanced saves 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 SkAutoTUnref<SkPicture> extraSavePicture(recorder.endRecording()); 1356 1357 testCanvas.drawPicture(extraSavePicture); 1358 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1359 } 1360 1361 set_canvas_to_save_count_4(&testCanvas); 1362 1363 { 1364 // Create picture with 2 unbalanced restores 1365 SkCanvas* canvas = recorder.beginRecording(100, 100); 1366 canvas->save(); 1367 canvas->translate(10, 10); 1368 canvas->drawRect(rect, paint); 1369 canvas->save(); 1370 canvas->translate(10, 10); 1371 canvas->drawRect(rect, paint); 1372 canvas->restore(); 1373 canvas->restore(); 1374 canvas->restore(); 1375 canvas->restore(); 1376 SkAutoTUnref<SkPicture> extraRestorePicture(recorder.endRecording()); 1377 1378 testCanvas.drawPicture(extraRestorePicture); 1379 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1380 } 1381 1382 set_canvas_to_save_count_4(&testCanvas); 1383 1384 { 1385 SkCanvas* canvas = recorder.beginRecording(100, 100); 1386 canvas->translate(10, 10); 1387 canvas->drawRect(rect, paint); 1388 SkAutoTUnref<SkPicture> noSavePicture(recorder.endRecording()); 1389 1390 testCanvas.drawPicture(noSavePicture); 1391 REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); 1392 REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); 1393 } 1394} 1395 1396static void test_peephole() { 1397 SkRandom rand; 1398 1399 SkPictureRecorder recorder; 1400 1401 for (int j = 0; j < 100; j++) { 1402 SkRandom rand2(rand); // remember the seed 1403 1404 SkCanvas* canvas = recorder.beginRecording(100, 100); 1405 1406 for (int i = 0; i < 1000; ++i) { 1407 rand_op(canvas, rand); 1408 } 1409 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1410 1411 rand = rand2; 1412 } 1413 1414 { 1415 SkCanvas* canvas = recorder.beginRecording(100, 100); 1416 SkRect rect = SkRect::MakeWH(50, 50); 1417 1418 for (int i = 0; i < 100; ++i) { 1419 canvas->save(); 1420 } 1421 while (canvas->getSaveCount() > 1) { 1422 canvas->clipRect(rect); 1423 canvas->restore(); 1424 } 1425 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1426 } 1427} 1428 1429#ifndef SK_DEBUG 1430// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller 1431// should never do this. 1432static void test_bad_bitmap() { 1433 // This bitmap has a width and height but no pixels. As a result, attempting to record it will 1434 // fail. 1435 SkBitmap bm; 1436 bm.setInfo(SkImageInfo::MakeN32Premul(100, 100)); 1437 SkPictureRecorder recorder; 1438 SkCanvas* recordingCanvas = recorder.beginRecording(100, 100); 1439 recordingCanvas->drawBitmap(bm, 0, 0); 1440 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1441 1442 SkCanvas canvas; 1443 canvas.drawPicture(picture); 1444} 1445#endif 1446 1447static SkData* encode_bitmap_to_data(size_t*, const SkBitmap& bm) { 1448 return SkImageEncoder::EncodeData(bm, SkImageEncoder::kPNG_Type, 100); 1449} 1450 1451static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { 1452 SkPictureRecorder recorder; 1453 SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(bitmap.width()), 1454 SkIntToScalar(bitmap.height())); 1455 canvas->drawBitmap(bitmap, 0, 0); 1456 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1457 1458 SkDynamicMemoryWStream wStream; 1459 picture->serialize(&wStream, &encode_bitmap_to_data); 1460 return wStream.copyToData(); 1461} 1462 1463struct ErrorContext { 1464 int fErrors; 1465 skiatest::Reporter* fReporter; 1466}; 1467 1468static void assert_one_parse_error_cb(SkError error, void* context) { 1469 ErrorContext* errorContext = static_cast<ErrorContext*>(context); 1470 errorContext->fErrors++; 1471 // This test only expects one error, and that is a kParseError. If there are others, 1472 // there is some unknown problem. 1473 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, 1474 "This threw more errors than expected."); 1475 REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, 1476 SkGetLastErrorString()); 1477} 1478 1479static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { 1480 // Create a bitmap that will be encoded. 1481 SkBitmap original; 1482 make_bm(&original, 100, 100, SK_ColorBLUE, true); 1483 SkDynamicMemoryWStream wStream; 1484 if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { 1485 return; 1486 } 1487 SkAutoDataUnref data(wStream.copyToData()); 1488 1489 SkBitmap bm; 1490 bool installSuccess = SkInstallDiscardablePixelRef( 1491 SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()), &bm); 1492 REPORTER_ASSERT(reporter, installSuccess); 1493 1494 // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. 1495 // Flattening original will follow the old path of performing an encode, while flattening bm 1496 // will use the already encoded data. 1497 SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); 1498 SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); 1499 REPORTER_ASSERT(reporter, picture1->equals(picture2)); 1500 // Now test that a parse error was generated when trying to create a new SkPicture without 1501 // providing a function to decode the bitmap. 1502 ErrorContext context; 1503 context.fErrors = 0; 1504 context.fReporter = reporter; 1505 SkSetErrorCallback(assert_one_parse_error_cb, &context); 1506 SkMemoryStream pictureStream(picture1); 1507 SkClearLastError(); 1508 SkAutoUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); 1509 REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); 1510 SkClearLastError(); 1511 SkSetErrorCallback(NULL, NULL); 1512} 1513 1514static void test_draw_empty(skiatest::Reporter* reporter) { 1515 SkBitmap result; 1516 make_bm(&result, 2, 2, SK_ColorBLACK, false); 1517 1518 SkCanvas canvas(result); 1519 1520 { 1521 // stock SkPicture 1522 SkPictureRecorder recorder; 1523 recorder.beginRecording(1, 1); 1524 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1525 1526 canvas.drawPicture(picture); 1527 } 1528 1529 { 1530 // tile grid 1531 SkTileGridFactory::TileGridInfo gridInfo; 1532 gridInfo.fMargin.setEmpty(); 1533 gridInfo.fOffset.setZero(); 1534 gridInfo.fTileInterval.set(1, 1); 1535 1536 SkTileGridFactory factory(gridInfo); 1537 SkPictureRecorder recorder; 1538 recorder.beginRecording(1, 1, &factory); 1539 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1540 1541 canvas.drawPicture(picture); 1542 } 1543 1544 { 1545 // RTree 1546 SkRTreeFactory factory; 1547 SkPictureRecorder recorder; 1548 recorder.beginRecording(1, 1, &factory); 1549 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1550 1551 canvas.drawPicture(picture); 1552 } 1553} 1554 1555static void test_clip_bound_opt(skiatest::Reporter* reporter) { 1556 // Test for crbug.com/229011 1557 SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4), 1558 SkIntToScalar(2), SkIntToScalar(2)); 1559 SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7), 1560 SkIntToScalar(1), SkIntToScalar(1)); 1561 SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6), 1562 SkIntToScalar(1), SkIntToScalar(1)); 1563 1564 SkPath invPath; 1565 invPath.addOval(rect1); 1566 invPath.setFillType(SkPath::kInverseEvenOdd_FillType); 1567 SkPath path; 1568 path.addOval(rect2); 1569 SkPath path2; 1570 path2.addOval(rect3); 1571 SkIRect clipBounds; 1572 SkPictureRecorder recorder; 1573 1574 // Testing conservative-raster-clip that is enabled by PictureRecord 1575 { 1576 SkCanvas* canvas = recorder.beginRecording(10, 10); 1577 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1578 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1579 REPORTER_ASSERT(reporter, true == nonEmpty); 1580 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1581 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1582 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1583 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1584 } 1585 { 1586 SkCanvas* canvas = recorder.beginRecording(10, 10); 1587 canvas->clipPath(path, SkRegion::kIntersect_Op); 1588 canvas->clipPath(invPath, SkRegion::kIntersect_Op); 1589 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1590 REPORTER_ASSERT(reporter, true == nonEmpty); 1591 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1592 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1593 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1594 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1595 } 1596 { 1597 SkCanvas* canvas = recorder.beginRecording(10, 10); 1598 canvas->clipPath(path, SkRegion::kIntersect_Op); 1599 canvas->clipPath(invPath, SkRegion::kUnion_Op); 1600 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1601 REPORTER_ASSERT(reporter, true == nonEmpty); 1602 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1603 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1604 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1605 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1606 } 1607 { 1608 SkCanvas* canvas = recorder.beginRecording(10, 10); 1609 canvas->clipPath(path, SkRegion::kDifference_Op); 1610 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1611 REPORTER_ASSERT(reporter, true == nonEmpty); 1612 REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); 1613 REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); 1614 REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); 1615 REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); 1616 } 1617 { 1618 SkCanvas* canvas = recorder.beginRecording(10, 10); 1619 canvas->clipPath(path, SkRegion::kReverseDifference_Op); 1620 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1621 // True clip is actually empty in this case, but the best 1622 // determination we can make using only bounds as input is that the 1623 // clip is included in the bounds of 'path'. 1624 REPORTER_ASSERT(reporter, true == nonEmpty); 1625 REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); 1626 REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); 1627 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1628 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1629 } 1630 { 1631 SkCanvas* canvas = recorder.beginRecording(10, 10); 1632 canvas->clipPath(path, SkRegion::kIntersect_Op); 1633 canvas->clipPath(path2, SkRegion::kXOR_Op); 1634 bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); 1635 REPORTER_ASSERT(reporter, true == nonEmpty); 1636 REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); 1637 REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); 1638 REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); 1639 REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); 1640 } 1641} 1642 1643/** 1644 * A canvas that records the number of clip commands. 1645 */ 1646class ClipCountingCanvas : public SkCanvas { 1647public: 1648 ClipCountingCanvas(int width, int height) 1649 : INHERITED(width, height) 1650 , fClipCount(0){ 1651 } 1652 1653 virtual void onClipRect(const SkRect& r, 1654 SkRegion::Op op, 1655 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1656 fClipCount += 1; 1657 this->INHERITED::onClipRect(r, op, edgeStyle); 1658 } 1659 1660 virtual void onClipRRect(const SkRRect& rrect, 1661 SkRegion::Op op, 1662 ClipEdgeStyle edgeStyle)SK_OVERRIDE { 1663 fClipCount += 1; 1664 this->INHERITED::onClipRRect(rrect, op, edgeStyle); 1665 } 1666 1667 virtual void onClipPath(const SkPath& path, 1668 SkRegion::Op op, 1669 ClipEdgeStyle edgeStyle) SK_OVERRIDE { 1670 fClipCount += 1; 1671 this->INHERITED::onClipPath(path, op, edgeStyle); 1672 } 1673 1674 virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE { 1675 fClipCount += 1; 1676 this->INHERITED::onClipRegion(deviceRgn, op); 1677 } 1678 1679 unsigned getClipCount() const { return fClipCount; } 1680 1681private: 1682 unsigned fClipCount; 1683 1684 typedef SkCanvas INHERITED; 1685}; 1686 1687static void test_clip_expansion(skiatest::Reporter* reporter) { 1688 SkPictureRecorder recorder; 1689 SkCanvas* canvas = recorder.beginRecording(10, 10); 1690 1691 canvas->clipRect(SkRect::MakeEmpty(), SkRegion::kReplace_Op); 1692 // The following expanding clip should not be skipped. 1693 canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); 1694 // Draw something so the optimizer doesn't just fold the world. 1695 SkPaint p; 1696 p.setColor(SK_ColorBLUE); 1697 canvas->drawPaint(p); 1698 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1699 1700 ClipCountingCanvas testCanvas(10, 10); 1701 picture->playback(&testCanvas); 1702 1703 // Both clips should be present on playback. 1704 REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); 1705} 1706 1707static void test_hierarchical(skiatest::Reporter* reporter) { 1708 SkBitmap bm; 1709 make_bm(&bm, 10, 10, SK_ColorRED, true); 1710 1711 SkPictureRecorder recorder; 1712 1713 recorder.beginRecording(10, 10); 1714 SkAutoTUnref<SkPicture> childPlain(recorder.endRecording()); 1715 REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 1716 1717 recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); 1718 SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); 1719 REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 1720 1721 { 1722 SkCanvas* canvas = recorder.beginRecording(10, 10); 1723 canvas->drawPicture(childPlain); 1724 SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); 1725 REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 1726 } 1727 { 1728 SkCanvas* canvas = recorder.beginRecording(10, 10); 1729 canvas->drawPicture(childWithBitmap); 1730 SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); 1731 REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 1732 } 1733 { 1734 SkCanvas* canvas = recorder.beginRecording(10, 10); 1735 canvas->drawBitmap(bm, 0, 0); 1736 canvas->drawPicture(childPlain); 1737 SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); 1738 REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 1739 } 1740 { 1741 SkCanvas* canvas = recorder.beginRecording(10, 10); 1742 canvas->drawBitmap(bm, 0, 0); 1743 canvas->drawPicture(childWithBitmap); 1744 SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); 1745 REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 1746 } 1747} 1748 1749static void test_gen_id(skiatest::Reporter* reporter) { 1750 1751 SkPictureRecorder recorder; 1752 recorder.beginRecording(0, 0); 1753 SkAutoTUnref<SkPicture> empty(recorder.endRecording()); 1754 1755 // Empty pictures should still have a valid ID 1756 REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID); 1757 1758 SkCanvas* canvas = recorder.beginRecording(1, 1); 1759 canvas->drawARGB(255, 255, 255, 255); 1760 SkAutoTUnref<SkPicture> hasData(recorder.endRecording()); 1761 // picture should have a non-zero id after recording 1762 REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID); 1763 1764 // both pictures should have different ids 1765 REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID()); 1766} 1767 1768DEF_TEST(Picture, reporter) { 1769#ifdef SK_DEBUG 1770 test_deleting_empty_picture(); 1771 test_serializing_empty_picture(); 1772#else 1773 test_bad_bitmap(); 1774#endif 1775 test_unbalanced_save_restores(reporter); 1776 test_peephole(); 1777#if SK_SUPPORT_GPU 1778 test_gpu_veto(reporter, false); 1779 test_gpu_veto(reporter, true); 1780#endif 1781 test_has_text(reporter, false); 1782 test_has_text(reporter, true); 1783 test_analysis(reporter, false); 1784 test_analysis(reporter, true); 1785 test_gatherpixelrefs(reporter); 1786 test_gatherpixelrefsandrects(reporter); 1787 test_bitmap_with_encoded_data(reporter); 1788 test_draw_empty(reporter); 1789 test_clip_bound_opt(reporter); 1790 test_clip_expansion(reporter); 1791 test_hierarchical(reporter); 1792 test_gen_id(reporter); 1793} 1794 1795#if SK_SUPPORT_GPU 1796DEF_GPUTEST(GPUPicture, reporter, factory) { 1797 test_gpu_picture_optimization(reporter, factory); 1798} 1799#endif 1800 1801static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) { 1802 const SkPaint paint; 1803 const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f }; 1804 const SkIRect irect = { 2, 2, 3, 3 }; 1805 1806 // Don't care what these record, as long as they're legal. 1807 canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); 1808 canvas->drawBitmapRectToRect(bitmap, &rect, rect, &paint, SkCanvas::kNone_DrawBitmapRectFlag); 1809 canvas->drawBitmapMatrix(bitmap, SkMatrix::I(), &paint); 1810 canvas->drawBitmapNine(bitmap, irect, rect, &paint); 1811 canvas->drawSprite(bitmap, 1, 1); 1812} 1813 1814static void test_draw_bitmaps(SkCanvas* canvas) { 1815 SkBitmap empty; 1816 draw_bitmaps(empty, canvas); 1817 empty.setInfo(SkImageInfo::MakeN32Premul(10, 10)); 1818 draw_bitmaps(empty, canvas); 1819} 1820 1821DEF_TEST(Picture_EmptyBitmap, r) { 1822 SkPictureRecorder recorder; 1823 test_draw_bitmaps(recorder.beginRecording(10, 10)); 1824 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1825} 1826 1827DEF_TEST(Canvas_EmptyBitmap, r) { 1828 SkBitmap dst; 1829 dst.allocN32Pixels(10, 10); 1830 SkCanvas canvas(dst); 1831 1832 test_draw_bitmaps(&canvas); 1833} 1834 1835DEF_TEST(DontOptimizeSaveLayerDrawDrawRestore, reporter) { 1836 // This test is from crbug.com/344987. 1837 // The commands are: 1838 // saveLayer with paint that modifies alpha 1839 // drawBitmapRectToRect 1840 // drawBitmapRectToRect 1841 // restore 1842 // The bug was that this structure was modified so that: 1843 // - The saveLayer and restore were eliminated 1844 // - The alpha was only applied to the first drawBitmapRectToRect 1845 1846 // This test draws blue and red squares inside a 50% transparent 1847 // layer. Both colours should show up muted. 1848 // When the bug is present, the red square (the second bitmap) 1849 // shows upwith full opacity. 1850 1851 SkBitmap blueBM; 1852 make_bm(&blueBM, 100, 100, SkColorSetARGB(255, 0, 0, 255), true); 1853 SkBitmap redBM; 1854 make_bm(&redBM, 100, 100, SkColorSetARGB(255, 255, 0, 0), true); 1855 SkPaint semiTransparent; 1856 semiTransparent.setAlpha(0x80); 1857 1858 SkPictureRecorder recorder; 1859 SkCanvas* canvas = recorder.beginRecording(100, 100); 1860 canvas->drawARGB(0, 0, 0, 0); 1861 1862 canvas->saveLayer(0, &semiTransparent); 1863 canvas->drawBitmap(blueBM, 25, 25); 1864 canvas->drawBitmap(redBM, 50, 50); 1865 canvas->restore(); 1866 1867 SkAutoTUnref<SkPicture> picture(recorder.endRecording()); 1868 1869 // Now replay the picture back on another canvas 1870 // and check a couple of its pixels. 1871 SkBitmap replayBM; 1872 make_bm(&replayBM, 100, 100, SK_ColorBLACK, false); 1873 SkCanvas replayCanvas(replayBM); 1874 picture->playback(&replayCanvas); 1875 replayCanvas.flush(); 1876 1877 // With the bug present, at (55, 55) we would get a fully opaque red 1878 // intead of a dark red. 1879 REPORTER_ASSERT(reporter, replayBM.getColor(30, 30) == 0xff000080); 1880 REPORTER_ASSERT(reporter, replayBM.getColor(55, 55) == 0xff800000); 1881} 1882 1883struct CountingBBH : public SkBBoxHierarchy { 1884 mutable int searchCalls; 1885 1886 CountingBBH() : searchCalls(0) {} 1887 1888 virtual void search(const SkRect& query, SkTDArray<void*>* results) const { 1889 this->searchCalls++; 1890 } 1891 1892 // All other methods unimplemented. 1893 virtual void insert(void* data, const SkRect& bounds, bool defer) {} 1894 virtual void flushDeferredInserts() {} 1895 virtual void clear() {} 1896 virtual int getCount() const { return 0; } 1897 virtual int getDepth() const { return 0; } 1898 virtual void rewindInserts() {} 1899}; 1900 1901class SpoonFedBBHFactory : public SkBBHFactory { 1902public: 1903 explicit SpoonFedBBHFactory(SkBBoxHierarchy* bbh) : fBBH(bbh) {} 1904 virtual SkBBoxHierarchy* operator()(int width, int height) const { 1905 return SkRef(fBBH); 1906 } 1907private: 1908 SkBBoxHierarchy* fBBH; 1909}; 1910 1911// When the canvas clip covers the full picture, we don't need to call the BBH. 1912DEF_TEST(Picture_SkipBBH, r) { 1913 CountingBBH bbh; 1914 SpoonFedBBHFactory factory(&bbh); 1915 1916 SkPictureRecorder recorder; 1917 recorder.beginRecording(320, 240, &factory); 1918 SkAutoTUnref<const SkPicture> picture(recorder.endRecording()); 1919 1920 SkCanvas big(640, 480), small(300, 200); 1921 1922 picture->playback(&big); 1923 REPORTER_ASSERT(r, bbh.searchCalls == 0); 1924 1925 picture->playback(&small); 1926 REPORTER_ASSERT(r, bbh.searchCalls == 1); 1927} 1928 1929DEF_TEST(Picture_BitmapLeak, r) { 1930 SkBitmap mut, immut; 1931 mut.allocN32Pixels(300, 200); 1932 immut.allocN32Pixels(300, 200); 1933 immut.setImmutable(); 1934 SkASSERT(!mut.isImmutable()); 1935 SkASSERT(immut.isImmutable()); 1936 1937 // No one can hold a ref on our pixels yet. 1938 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1939 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1940 1941 SkPictureRecorder rec; 1942 SkCanvas* canvas = rec.beginRecording(1920, 1200); 1943 canvas->drawBitmap(mut, 0, 0); 1944 canvas->drawBitmap(immut, 800, 600); 1945 SkAutoTDelete<const SkPicture> pic(rec.endRecording()); 1946 1947 // The picture shares the immutable pixels but copies the mutable ones. 1948 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1949 REPORTER_ASSERT(r, !immut.pixelRef()->unique()); 1950 1951 // When the picture goes away, it's just our bitmaps holding the refs. 1952 pic.reset(NULL); 1953 REPORTER_ASSERT(r, mut.pixelRef()->unique()); 1954 REPORTER_ASSERT(r, immut.pixelRef()->unique()); 1955} 1956