keyar@chromium.org | b3fb7c1 | 2012-08-20 21:02:49 +0000 | [diff] [blame] | 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 | |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 8 | #include "PictureRenderer.h" |
| 9 | #include "SamplePipeControllers.h" |
| 10 | #include "SkCanvas.h" |
| 11 | #include "SkDevice.h" |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 12 | #include "SkImageEncoder.h" |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 13 | #include "SkGPipe.h" |
keyar@chromium.org | ea82695 | 2012-08-23 15:24:13 +0000 | [diff] [blame] | 14 | #include "SkMatrix.h" |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 15 | #include "SkPicture.h" |
keyar@chromium.org | ea82695 | 2012-08-23 15:24:13 +0000 | [diff] [blame] | 16 | #include "SkScalar.h" |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 17 | #include "SkString.h" |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 18 | #include "SkTDArray.h" |
| 19 | #include "SkTypes.h" |
| 20 | #include "picture_utils.h" |
| 21 | |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 22 | #if SK_SUPPORT_GPU |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 23 | #include "SkGpuDevice.h" |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 24 | #endif |
| 25 | |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 26 | namespace sk_tools { |
| 27 | |
| 28 | enum { |
| 29 | kDefaultTileWidth = 256, |
| 30 | kDefaultTileHeight = 256 |
| 31 | }; |
| 32 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 33 | void PictureRenderer::init(SkPicture* pict) { |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 34 | SkASSERT(NULL == fPicture); |
| 35 | SkASSERT(NULL == fCanvas.get()); |
| 36 | if (fPicture != NULL || NULL != fCanvas.get()) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 37 | return; |
| 38 | } |
| 39 | |
| 40 | SkASSERT(pict != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 41 | if (NULL == pict) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 42 | return; |
| 43 | } |
| 44 | |
| 45 | fPicture = pict; |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 46 | fCanvas.reset(this->setupCanvas()); |
| 47 | } |
| 48 | |
| 49 | SkCanvas* PictureRenderer::setupCanvas() { |
| 50 | return this->setupCanvas(fPicture->width(), fPicture->height()); |
| 51 | } |
| 52 | |
| 53 | SkCanvas* PictureRenderer::setupCanvas(int width, int height) { |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 54 | switch(fDeviceType) { |
| 55 | case kBitmap_DeviceType: { |
| 56 | SkBitmap bitmap; |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 57 | sk_tools::setup_bitmap(&bitmap, width, height); |
| 58 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 59 | break; |
| 60 | } |
| 61 | #if SK_SUPPORT_GPU |
| 62 | case kGPU_DeviceType: { |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 63 | SkAutoTUnref<SkGpuDevice> device(SkNEW_ARGS(SkGpuDevice, |
keyar@chromium.org | 0612564 | 2012-08-20 15:03:33 +0000 | [diff] [blame] | 64 | (fGrContext, SkBitmap::kARGB_8888_Config, |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 65 | width, height))); |
| 66 | return SkNEW_ARGS(SkCanvas, (device.get())); |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 67 | break; |
| 68 | } |
| 69 | #endif |
| 70 | default: |
| 71 | SkASSERT(0); |
| 72 | } |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 73 | |
| 74 | return NULL; |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | void PictureRenderer::end() { |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 78 | this->resetState(); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 79 | fPicture = NULL; |
| 80 | fCanvas.reset(NULL); |
| 81 | } |
| 82 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 83 | void PictureRenderer::resetState() { |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 84 | #if SK_SUPPORT_GPU |
| 85 | if (this->isUsingGpuDevice()) { |
| 86 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 87 | GrContextFactory::kNative_GLContextType); |
| 88 | SK_GL(*glContext, Finish()); |
| 89 | } |
| 90 | #endif |
| 91 | } |
| 92 | |
| 93 | void PictureRenderer::finishDraw() { |
keyar@chromium.org | bffacc0 | 2012-08-20 15:04:07 +0000 | [diff] [blame] | 94 | SkASSERT(fCanvas.get() != NULL); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 95 | if (NULL == fCanvas.get()) { |
keyar@chromium.org | bffacc0 | 2012-08-20 15:04:07 +0000 | [diff] [blame] | 96 | return; |
| 97 | } |
| 98 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 99 | fCanvas->flush(); |
| 100 | |
keyar@chromium.org | a40c20d | 2012-08-20 15:04:12 +0000 | [diff] [blame] | 101 | #if SK_SUPPORT_GPU |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 102 | if (this->isUsingGpuDevice()) { |
| 103 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 104 | GrContextFactory::kNative_GLContextType); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 105 | |
| 106 | SkASSERT(glContext != NULL); |
| 107 | if (NULL == glContext) { |
| 108 | return; |
| 109 | } |
| 110 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 111 | SK_GL(*glContext, Finish()); |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 112 | } |
keyar@chromium.org | a40c20d | 2012-08-20 15:04:12 +0000 | [diff] [blame] | 113 | #endif |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 114 | } |
| 115 | |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 116 | bool PictureRenderer::write(const SkString& path) const { |
| 117 | SkASSERT(fCanvas.get() != NULL); |
| 118 | SkASSERT(fPicture != NULL); |
| 119 | if (NULL == fCanvas.get() || NULL == fPicture) { |
| 120 | return false; |
| 121 | } |
| 122 | |
| 123 | SkBitmap bitmap; |
| 124 | sk_tools::setup_bitmap(&bitmap, fPicture->width(), fPicture->height()); |
| 125 | |
| 126 | fCanvas->readPixels(&bitmap, 0, 0); |
| 127 | sk_tools::force_all_opaque(bitmap); |
| 128 | |
| 129 | return SkImageEncoder::EncodeFile(path.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100); |
| 130 | } |
| 131 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 132 | void PipePictureRenderer::render() { |
| 133 | SkASSERT(fCanvas.get() != NULL); |
| 134 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 135 | if (NULL == fCanvas.get() || NULL == fPicture) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 136 | return; |
| 137 | } |
| 138 | |
| 139 | PipeController pipeController(fCanvas.get()); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 140 | SkGPipeWriter writer; |
| 141 | SkCanvas* pipeCanvas = writer.startRecording(&pipeController); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 142 | pipeCanvas->drawPicture(*fPicture); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 143 | writer.endRecording(); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 144 | this->finishDraw(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 145 | } |
| 146 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 147 | void SimplePictureRenderer::render() { |
| 148 | SkASSERT(fCanvas.get() != NULL); |
| 149 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 150 | if (NULL == fCanvas.get() || NULL == fPicture) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 151 | return; |
| 152 | } |
| 153 | |
| 154 | fCanvas->drawPicture(*fPicture); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 155 | this->finishDraw(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 156 | } |
| 157 | |
| 158 | TiledPictureRenderer::TiledPictureRenderer() |
| 159 | : fTileWidth(kDefaultTileWidth) |
| 160 | , fTileHeight(kDefaultTileHeight) {} |
| 161 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 162 | void TiledPictureRenderer::init(SkPicture* pict) { |
| 163 | SkASSERT(pict != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 164 | SkASSERT(0 == fTiles.count()); |
| 165 | if (NULL == pict || fTiles.count() != 0) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 166 | return; |
| 167 | } |
| 168 | |
| 169 | this->INHERITED::init(pict); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 170 | |
| 171 | if (fTileWidthPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame] | 172 | fTileWidth = sk_float_ceil2int(float(fTileWidthPercentage * fPicture->width() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 173 | } |
| 174 | if (fTileHeightPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame] | 175 | fTileHeight = sk_float_ceil2int(float(fTileHeightPercentage * fPicture->height() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 176 | } |
| 177 | |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame^] | 178 | if (fTileMinPowerOf2Width > 0) { |
| 179 | this->setupPowerOf2Tiles(); |
| 180 | } else { |
| 181 | this->setupTiles(); |
| 182 | } |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 183 | } |
| 184 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 185 | void TiledPictureRenderer::render() { |
| 186 | SkASSERT(fCanvas.get() != NULL); |
| 187 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 188 | if (NULL == fCanvas.get() || NULL == fPicture) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 189 | return; |
| 190 | } |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 191 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 192 | this->drawTiles(); |
| 193 | this->copyTilesToCanvas(); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 194 | this->finishDraw(); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | void TiledPictureRenderer::end() { |
| 198 | this->deleteTiles(); |
| 199 | this->INHERITED::end(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | TiledPictureRenderer::~TiledPictureRenderer() { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 203 | this->deleteTiles(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 204 | } |
| 205 | |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 206 | void TiledPictureRenderer::clipTile(SkCanvas* tile) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 207 | SkRect clip = SkRect::MakeWH(SkIntToScalar(fPicture->width()), |
| 208 | SkIntToScalar(fPicture->height())); |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 209 | tile->clipRect(clip); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 210 | } |
| 211 | |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame^] | 212 | void TiledPictureRenderer::addTile(int tile_x_start, int tile_y_start, int width, int height) { |
| 213 | SkCanvas* tile = this->setupCanvas(width, height); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 214 | |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 215 | tile->translate(SkIntToScalar(-tile_x_start), SkIntToScalar(-tile_y_start)); |
| 216 | this->clipTile(tile); |
| 217 | |
| 218 | fTiles.push(tile); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 219 | } |
| 220 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 221 | void TiledPictureRenderer::setupTiles() { |
| 222 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 223 | tile_y_start += fTileHeight) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 224 | for (int tile_x_start = 0; tile_x_start < fPicture->width(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 225 | tile_x_start += fTileWidth) { |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame^] | 226 | this->addTile(tile_x_start, tile_y_start, fTileWidth, fTileHeight); |
| 227 | } |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | // The goal of the powers of two tiles is to minimize the amount of wasted tile |
| 232 | // space in the width-wise direction and then minimize the number of tiles. The |
| 233 | // constraints are that every tile must have a pixel width that is a power of |
| 234 | // two and also be of some minimal width (that is also a power of two). |
| 235 | // |
| 236 | // This is sovled by first taking our picture size and rounding it up to the |
| 237 | // multiple of the minimal width. The binary representation of this rounded |
| 238 | // value gives us the tiles we need: a bit of value one means we need a tile of |
| 239 | // that size. |
| 240 | void TiledPictureRenderer::setupPowerOf2Tiles() { |
| 241 | int rounded_value = fPicture->width(); |
| 242 | if (fPicture->width() % fTileMinPowerOf2Width != 0) { |
| 243 | rounded_value = fPicture->width() - (fPicture->width() % fTileMinPowerOf2Width) |
| 244 | + fTileMinPowerOf2Width; |
| 245 | } |
| 246 | |
| 247 | int num_bits = SkScalarCeilToInt(SkScalarLog2(fPicture->width())); |
| 248 | int largest_possible_tile_size = 1 << num_bits; |
| 249 | |
| 250 | // The tile height is constant for a particular picture. |
| 251 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); tile_y_start += fTileHeight) { |
| 252 | int tile_x_start = 0; |
| 253 | int current_width = largest_possible_tile_size; |
| 254 | |
| 255 | while (current_width >= fTileMinPowerOf2Width) { |
| 256 | // It is very important this is a bitwise AND. |
| 257 | if (current_width & rounded_value) { |
| 258 | this->addTile(tile_x_start, tile_y_start, current_width, fTileHeight); |
| 259 | tile_x_start += current_width; |
| 260 | } |
| 261 | |
| 262 | current_width >>= 1; |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 263 | } |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | void TiledPictureRenderer::deleteTiles() { |
| 268 | for (int i = 0; i < fTiles.count(); ++i) { |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 269 | SkDELETE(fTiles[i]); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | fTiles.reset(); |
| 273 | } |
| 274 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 275 | void TiledPictureRenderer::drawTiles() { |
keyar@chromium.org | 163b567 | 2012-08-01 17:53:29 +0000 | [diff] [blame] | 276 | for (int i = 0; i < fTiles.count(); ++i) { |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 277 | fTiles[i]->drawPicture(*(fPicture)); |
keyar@chromium.org | 163b567 | 2012-08-01 17:53:29 +0000 | [diff] [blame] | 278 | } |
| 279 | } |
| 280 | |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 281 | void TiledPictureRenderer::finishDraw() { |
keyar@chromium.org | 275be53 | 2012-08-20 15:04:00 +0000 | [diff] [blame] | 282 | for (int i = 0; i < fTiles.count(); ++i) { |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 283 | fTiles[i]->flush(); |
keyar@chromium.org | 275be53 | 2012-08-20 15:04:00 +0000 | [diff] [blame] | 284 | } |
| 285 | |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 286 | #if SK_SUPPORT_GPU |
| 287 | if (this->isUsingGpuDevice()) { |
| 288 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 289 | GrContextFactory::kNative_GLContextType); |
| 290 | |
| 291 | SkASSERT(glContext != NULL); |
| 292 | if (NULL == glContext) { |
| 293 | return; |
| 294 | } |
| 295 | |
| 296 | SK_GL(*glContext, Finish()); |
| 297 | } |
| 298 | #endif |
keyar@chromium.org | 275be53 | 2012-08-20 15:04:00 +0000 | [diff] [blame] | 299 | } |
| 300 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 301 | void TiledPictureRenderer::copyTilesToCanvas() { |
keyar@chromium.org | ea82695 | 2012-08-23 15:24:13 +0000 | [diff] [blame] | 302 | for (int i = 0; i < fTiles.count(); ++i) { |
| 303 | // Since SkPicture performs a save and restore when being drawn to a |
| 304 | // canvas, we can be confident that the transform matrix of the canvas |
| 305 | // is what we set when creating the tiles. |
| 306 | SkMatrix matrix = fTiles[i]->getTotalMatrix(); |
| 307 | SkScalar tile_x_start = matrix.getTranslateX(); |
| 308 | SkScalar tile_y_start = matrix.getTranslateY(); |
| 309 | |
| 310 | SkBitmap source = fTiles[i]->getDevice()->accessBitmap(false); |
| 311 | |
| 312 | fCanvas->drawBitmap(source, -tile_x_start, -tile_y_start); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 313 | } |
| 314 | } |
| 315 | |
| 316 | } |