| OLD | NEW |
| (Empty) |
| 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 "picture_utils.h" | |
| 9 #include "CopyTilesRenderer.h" | |
| 10 #include "SkCanvas.h" | |
| 11 #include "SkDevice.h" | |
| 12 #include "SkImageEncoder.h" | |
| 13 #include "SkMultiPictureDraw.h" | |
| 14 #include "SkPicture.h" | |
| 15 #include "SkPixelRef.h" | |
| 16 #include "SkRect.h" | |
| 17 #include "SkString.h" | |
| 18 | |
| 19 namespace sk_tools { | |
| 20 #if SK_SUPPORT_GPU | |
| 21 CopyTilesRenderer::CopyTilesRenderer(const GrContextOptions& opts, int x, in
t y) | |
| 22 : INHERITED(opts) | |
| 23 , fXTilesPerLargeTile(x) | |
| 24 , fYTilesPerLargeTile(y) { } | |
| 25 #else | |
| 26 CopyTilesRenderer::CopyTilesRenderer(int x, int y) | |
| 27 : fXTilesPerLargeTile(x) | |
| 28 , fYTilesPerLargeTile(y) { } | |
| 29 #endif | |
| 30 void CopyTilesRenderer::init(const SkPicture* pict, const SkString* writePat
h, | |
| 31 const SkString* mismatchPath, const SkString* i
nputFilename, | |
| 32 bool useChecksumBasedFilenames, bool useMultiPi
ctureDraw) { | |
| 33 // Do not call INHERITED::init(), which would create a (potentially larg
e) canvas which is | |
| 34 // not used by bench_pictures. | |
| 35 SkASSERT(pict != nullptr); | |
| 36 // Only work with absolute widths (as opposed to percentages). | |
| 37 SkASSERT(this->getTileWidth() != 0 && this->getTileHeight() != 0); | |
| 38 fPicture.reset(SkRef(pict)); | |
| 39 this->CopyString(&fWritePath, writePath); | |
| 40 this->CopyString(&fMismatchPath, mismatchPath); | |
| 41 this->CopyString(&fInputFilename, inputFilename); | |
| 42 fUseChecksumBasedFilenames = useChecksumBasedFilenames; | |
| 43 fUseMultiPictureDraw = useMultiPictureDraw; | |
| 44 this->buildBBoxHierarchy(); | |
| 45 // In order to avoid allocating a large canvas (particularly important f
or GPU), create one | |
| 46 // canvas that is a multiple of the tile size, and draw portions of the
picture. | |
| 47 fLargeTileWidth = fXTilesPerLargeTile * this->getTileWidth(); | |
| 48 fLargeTileHeight = fYTilesPerLargeTile * this->getTileHeight(); | |
| 49 fCanvas.reset(this->INHERITED::setupCanvas(fLargeTileWidth, fLargeTileHe
ight)); | |
| 50 } | |
| 51 | |
| 52 bool CopyTilesRenderer::render(SkBitmap** out) { | |
| 53 int i = 0; | |
| 54 bool success = true; | |
| 55 SkBitmap dst; | |
| 56 for (int x = 0; x < this->getViewWidth(); x += fLargeTileWidth) { | |
| 57 for (int y = 0; y < this->getViewHeight(); y += fLargeTileHeight) { | |
| 58 SkAutoCanvasRestore autoRestore(fCanvas, true); | |
| 59 // Translate so that we draw the correct portion of the picture. | |
| 60 // Perform a postTranslate so that the scaleFactor does not inte
rfere with the | |
| 61 // positioning. | |
| 62 SkMatrix mat(fCanvas->getTotalMatrix()); | |
| 63 mat.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y)); | |
| 64 fCanvas->setMatrix(mat); | |
| 65 // Draw the picture | |
| 66 if (fUseMultiPictureDraw) { | |
| 67 SkMultiPictureDraw mpd; | |
| 68 | |
| 69 mpd.add(fCanvas, fPicture); | |
| 70 | |
| 71 mpd.draw(); | |
| 72 } else { | |
| 73 fCanvas->drawPicture(fPicture); | |
| 74 } | |
| 75 // Now extract the picture into tiles | |
| 76 SkBitmap baseBitmap; | |
| 77 fCanvas->readPixels(SkIRect::MakeSize(fCanvas->getBaseLayerSize(
)), &baseBitmap); | |
| 78 SkIRect subset; | |
| 79 for (int tileY = 0; tileY < fLargeTileHeight; tileY += this->get
TileHeight()) { | |
| 80 for (int tileX = 0; tileX < fLargeTileWidth; tileX += this->
getTileWidth()) { | |
| 81 subset.set(tileX, tileY, tileX + this->getTileWidth(), | |
| 82 tileY + this->getTileHeight()); | |
| 83 SkDEBUGCODE(bool extracted =) | |
| 84 baseBitmap.extractSubset(&dst, subset); | |
| 85 SkASSERT(extracted); | |
| 86 if (!fWritePath.isEmpty()) { | |
| 87 // Similar to write() in PictureRenderer.cpp, but ju
st encodes | |
| 88 // a bitmap directly. | |
| 89 // TODO: Share more common code with write() to do t
his, to properly | |
| 90 // write out the JSON summary, etc. | |
| 91 SkString pathWithNumber = SkOSPath::Join(fWritePath.
c_str(), | |
| 92 fInputFilen
ame.c_str()); | |
| 93 pathWithNumber.remove(pathWithNumber.size() - 4, 4); | |
| 94 pathWithNumber.appendf("%i.png", i++); | |
| 95 SkBitmap copy; | |
| 96 #if SK_SUPPORT_GPU | |
| 97 if (isUsingGpuDevice()) { | |
| 98 dst.pixelRef()->readPixels(©, &subset); | |
| 99 } else { | |
| 100 #endif | |
| 101 dst.copyTo(©); | |
| 102 #if SK_SUPPORT_GPU | |
| 103 } | |
| 104 #endif | |
| 105 success &= SkImageEncoder::EncodeFile(pathWithNumber
.c_str(), copy, | |
| 106 SkImageEncoder
::kPNG_Type, 100); | |
| 107 } | |
| 108 } | |
| 109 } | |
| 110 } | |
| 111 } | |
| 112 return success; | |
| 113 } | |
| 114 | |
| 115 SkString CopyTilesRenderer::getConfigNameInternal() { | |
| 116 return SkString("copy_tiles"); | |
| 117 } | |
| 118 } | |
| OLD | NEW |