scroggo | 478652e | 2015-03-25 07:11:02 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 | |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 8 | #include "DMSrcSink.h" |
| 9 | #include "SamplePipeControllers.h" |
scroggo | f24f224 | 2015-03-03 08:59:20 -0800 | [diff] [blame] | 10 | #include "SkCodec.h" |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 11 | #include "SkCommonFlags.h" |
mtklein | b3e5e4d | 2015-03-25 13:13:43 -0700 | [diff] [blame] | 12 | #include "SkData.h" |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 13 | #include "SkDocument.h" |
joshualitt | 5f5a8d7 | 2015-02-25 14:09:45 -0800 | [diff] [blame] | 14 | #include "SkError.h" |
mtklein | e44b508 | 2015-05-07 10:53:34 -0700 | [diff] [blame] | 15 | #include "SkFunction.h" |
mtklein | b3e5e4d | 2015-03-25 13:13:43 -0700 | [diff] [blame] | 16 | #include "SkImageGenerator.h" |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 17 | #include "SkMultiPictureDraw.h" |
mtklein | ad66f9b | 2015-02-13 15:11:10 -0800 | [diff] [blame] | 18 | #include "SkNullCanvas.h" |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 19 | #include "SkOSFile.h" |
mtklein | ffa901a | 2015-03-16 10:38:07 -0700 | [diff] [blame] | 20 | #include "SkPictureData.h" |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 21 | #include "SkPictureRecorder.h" |
| 22 | #include "SkRandom.h" |
mtklein | d31c13d | 2015-05-05 12:59:56 -0700 | [diff] [blame] | 23 | #include "SkRecordDraw.h" |
| 24 | #include "SkRecorder.h" |
fmalita | 2aafe6f | 2015-02-06 12:51:10 -0800 | [diff] [blame] | 25 | #include "SkSVGCanvas.h" |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 26 | #include "SkScanlineDecoder.h" |
scroggo | a1193e4 | 2015-01-21 12:09:53 -0800 | [diff] [blame] | 27 | #include "SkStream.h" |
fmalita | 2aafe6f | 2015-02-06 12:51:10 -0800 | [diff] [blame] | 28 | #include "SkXMLWriter.h" |
emmaleer | 8f4ba76 | 2015-08-14 07:44:46 -0700 | [diff] [blame] | 29 | #include "SkScaledCodec.h" |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 30 | |
halcanary | 7e79818 | 2015-04-14 14:06:18 -0700 | [diff] [blame] | 31 | DEFINE_bool(multiPage, false, "For document-type backends, render the source" |
| 32 | " into multiple pages"); |
| 33 | |
mtklein | b3e5e4d | 2015-03-25 13:13:43 -0700 | [diff] [blame] | 34 | static bool lazy_decode_bitmap(const void* src, size_t size, SkBitmap* dst) { |
| 35 | SkAutoTUnref<SkData> encoded(SkData::NewWithCopy(src, size)); |
| 36 | return encoded && SkInstallDiscardablePixelRef(encoded, dst); |
| 37 | } |
| 38 | |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 39 | namespace DM { |
| 40 | |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 41 | GMSrc::GMSrc(skiagm::GMRegistry::Factory factory) : fFactory(factory) {} |
| 42 | |
| 43 | Error GMSrc::draw(SkCanvas* canvas) const { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 44 | SkAutoTDelete<skiagm::GM> gm(fFactory(nullptr)); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 45 | canvas->concat(gm->getInitialTransform()); |
| 46 | gm->draw(canvas); |
| 47 | return ""; |
| 48 | } |
| 49 | |
| 50 | SkISize GMSrc::size() const { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 51 | SkAutoTDelete<skiagm::GM> gm(fFactory(nullptr)); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 52 | return gm->getISize(); |
| 53 | } |
| 54 | |
| 55 | Name GMSrc::name() const { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 56 | SkAutoTDelete<skiagm::GM> gm(fFactory(nullptr)); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 57 | return gm->getName(); |
| 58 | } |
| 59 | |
bsalomon | 4ee6bd8 | 2015-05-27 13:23:23 -0700 | [diff] [blame] | 60 | void GMSrc::modifyGrContextOptions(GrContextOptions* options) const { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 61 | SkAutoTDelete<skiagm::GM> gm(fFactory(nullptr)); |
bsalomon | 4ee6bd8 | 2015-05-27 13:23:23 -0700 | [diff] [blame] | 62 | gm->modifyGrContextOptions(options); |
| 63 | } |
| 64 | |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 65 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 66 | |
msarett | a5783ae | 2015-09-08 15:35:32 -0700 | [diff] [blame^] | 67 | BRDSrc::BRDSrc(Path path, SkBitmapRegionDecoderInterface::Strategy strategy, Mode mode, |
| 68 | CodecSrc::DstColorType dstColorType, uint32_t sampleSize) |
| 69 | : fPath(path) |
| 70 | , fStrategy(strategy) |
| 71 | , fMode(mode) |
| 72 | , fDstColorType(dstColorType) |
| 73 | , fSampleSize(sampleSize) |
| 74 | {} |
| 75 | |
| 76 | bool BRDSrc::veto(SinkFlags flags) const { |
| 77 | // No need to test to non-raster or indirect backends. |
| 78 | return flags.type != SinkFlags::kRaster |
| 79 | || flags.approach != SinkFlags::kDirect; |
| 80 | } |
| 81 | |
| 82 | static SkBitmapRegionDecoderInterface* create_brd(Path path, |
| 83 | SkBitmapRegionDecoderInterface::Strategy strategy) { |
| 84 | SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(path.c_str())); |
| 85 | if (!encoded) { |
| 86 | return NULL; |
| 87 | } |
| 88 | return SkBitmapRegionDecoderInterface::CreateBitmapRegionDecoder(new SkMemoryStream(encoded), |
| 89 | strategy); |
| 90 | } |
| 91 | |
| 92 | Error BRDSrc::draw(SkCanvas* canvas) const { |
| 93 | SkColorType colorType = canvas->imageInfo().colorType(); |
| 94 | if (kRGB_565_SkColorType == colorType && |
| 95 | CodecSrc::kGetFromCanvas_DstColorType != fDstColorType) { |
| 96 | return Error::Nonfatal("Testing non-565 to 565 is uninteresting."); |
| 97 | } |
| 98 | switch (fDstColorType) { |
| 99 | case CodecSrc::kGetFromCanvas_DstColorType: |
| 100 | break; |
| 101 | case CodecSrc::kIndex8_Always_DstColorType: |
| 102 | colorType = kIndex_8_SkColorType; |
| 103 | break; |
| 104 | case CodecSrc::kGrayscale_Always_DstColorType: |
| 105 | colorType = kGray_8_SkColorType; |
| 106 | break; |
| 107 | } |
| 108 | |
| 109 | SkAutoTDelete<SkBitmapRegionDecoderInterface> brd(create_brd(fPath, fStrategy)); |
| 110 | if (nullptr == brd.get()) { |
| 111 | return Error::Nonfatal(SkStringPrintf("Could not create brd for %s.", fPath.c_str())); |
| 112 | } |
| 113 | |
| 114 | const uint32_t width = brd->width(); |
| 115 | const uint32_t height = brd->height(); |
| 116 | // Visually inspecting very small output images is not necessary. |
| 117 | if ((width / fSampleSize <= 10 || height / fSampleSize <= 10) && 1 != fSampleSize) { |
| 118 | return Error::Nonfatal("Scaling very small images is uninteresting."); |
| 119 | } |
| 120 | switch (fMode) { |
| 121 | case kFullImage_Mode: { |
| 122 | SkAutoTDelete<SkBitmap> bitmap(brd->decodeRegion(0, 0, width, height, fSampleSize, |
| 123 | colorType)); |
| 124 | if (nullptr == bitmap.get() || colorType != bitmap->colorType()) { |
| 125 | return Error::Nonfatal("Cannot convert to color type.\n"); |
| 126 | } |
| 127 | canvas->drawBitmap(*bitmap, 0, 0); |
| 128 | return ""; |
| 129 | } |
| 130 | case kDivisor_Mode: { |
| 131 | const uint32_t divisor = 2; |
| 132 | if (width < divisor || height < divisor) { |
| 133 | return Error::Nonfatal("Divisor is larger than image dimension.\n"); |
| 134 | } |
| 135 | |
| 136 | // Use a border to test subsets that extend outside the image. |
| 137 | // We will not allow the border to be larger than the image dimensions. Allowing |
| 138 | // these large borders causes off by one errors that indicate a problem with the |
| 139 | // test suite, not a problem with the implementation. |
| 140 | const uint32_t maxBorder = SkTMin(width, height) / (fSampleSize * divisor); |
| 141 | const uint32_t scaledBorder = SkTMin(5u, maxBorder); |
| 142 | const uint32_t unscaledBorder = scaledBorder * fSampleSize; |
| 143 | |
| 144 | // We may need to clear the canvas to avoid uninitialized memory. |
| 145 | // Assume we are scaling a 780x780 image with sampleSize = 8. |
| 146 | // The output image should be 97x97. |
| 147 | // Each subset will be 390x390. |
| 148 | // Each scaled subset be 48x48. |
| 149 | // Four scaled subsets will only fill a 96x96 image. |
| 150 | // The bottom row and last column will not be touched. |
| 151 | // This is an unfortunate result of our rounding rules when scaling. |
| 152 | // Maybe we need to consider testing scaled subsets without trying to |
| 153 | // combine them to match the full scaled image? Or maybe this is the |
| 154 | // best we can do? |
| 155 | canvas->clear(0); |
| 156 | |
| 157 | for (uint32_t x = 0; x < divisor; x++) { |
| 158 | for (uint32_t y = 0; y < divisor; y++) { |
| 159 | // Calculate the subset dimensions |
| 160 | uint32_t subsetWidth = width / divisor; |
| 161 | uint32_t subsetHeight = height / divisor; |
| 162 | const int left = x * subsetWidth; |
| 163 | const int top = y * subsetHeight; |
| 164 | |
| 165 | // Increase the size of the last subset in each row or column, when the |
| 166 | // divisor does not divide evenly into the image dimensions |
| 167 | subsetWidth += (x + 1 == divisor) ? (width % divisor) : 0; |
| 168 | subsetHeight += (y + 1 == divisor) ? (height % divisor) : 0; |
| 169 | |
| 170 | // Increase the size of the subset in order to have a border on each side |
| 171 | const int decodeLeft = left - unscaledBorder; |
| 172 | const int decodeTop = top - unscaledBorder; |
| 173 | const uint32_t decodeWidth = subsetWidth + unscaledBorder * 2; |
| 174 | const uint32_t decodeHeight = subsetHeight + unscaledBorder * 2; |
| 175 | SkAutoTDelete<SkBitmap> bitmap(brd->decodeRegion(decodeLeft, |
| 176 | decodeTop, decodeWidth, decodeHeight, fSampleSize, colorType)); |
| 177 | if (nullptr == bitmap.get() || colorType != bitmap->colorType()) { |
| 178 | return Error::Nonfatal("Cannot convert to color type.\n"); |
| 179 | } |
| 180 | |
| 181 | canvas->drawBitmapRect(*bitmap, |
| 182 | SkRect::MakeXYWH((SkScalar) scaledBorder, (SkScalar) scaledBorder, |
| 183 | (SkScalar) (subsetWidth / fSampleSize), |
| 184 | (SkScalar) (subsetHeight / fSampleSize)), |
| 185 | SkRect::MakeXYWH((SkScalar) (left / fSampleSize), |
| 186 | (SkScalar) (top / fSampleSize), |
| 187 | (SkScalar) (subsetWidth / fSampleSize), |
| 188 | (SkScalar) (subsetHeight / fSampleSize)), |
| 189 | nullptr); |
| 190 | } |
| 191 | } |
| 192 | return ""; |
| 193 | } |
| 194 | default: |
| 195 | SkASSERT(false); |
| 196 | return "Error: Should not be reached.\n"; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | SkISize BRDSrc::size() const { |
| 201 | SkAutoTDelete<SkBitmapRegionDecoderInterface> brd(create_brd(fPath, fStrategy)); |
| 202 | if (brd) { |
| 203 | return SkISize::Make(SkTMax(1, brd->width() / (int) fSampleSize), |
| 204 | SkTMax(1, brd->height() / (int) fSampleSize)); |
| 205 | } |
| 206 | return SkISize::Make(0, 0); |
| 207 | } |
| 208 | |
| 209 | static SkString get_scaled_name(const Path& path, float scale) { |
| 210 | return SkStringPrintf("%s_%.3f", SkOSPath::Basename(path.c_str()).c_str(), scale); |
| 211 | } |
| 212 | |
| 213 | Name BRDSrc::name() const { |
| 214 | // We will replicate the names used by CodecSrc so that images can |
| 215 | // be compared in Gold. |
| 216 | if (1 == fSampleSize) { |
| 217 | return SkOSPath::Basename(fPath.c_str()); |
| 218 | } |
| 219 | return get_scaled_name(fPath, BRDSrc::GetScale(fSampleSize)); |
| 220 | } |
| 221 | |
| 222 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 223 | |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 224 | CodecSrc::CodecSrc(Path path, Mode mode, DstColorType dstColorType, float scale) |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 225 | : fPath(path) |
| 226 | , fMode(mode) |
| 227 | , fDstColorType(dstColorType) |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 228 | , fScale(scale) |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 229 | {} |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 230 | |
mtklein | 99cab4e | 2015-07-31 06:43:04 -0700 | [diff] [blame] | 231 | bool CodecSrc::veto(SinkFlags flags) const { |
| 232 | // No need to test decoding to non-raster or indirect backend. |
mtklein | e0effd6 | 2015-07-29 06:37:28 -0700 | [diff] [blame] | 233 | // TODO: Once we implement GPU paths (e.g. JPEG YUV), we should use a deferred decode to |
| 234 | // let the GPU handle it. |
mtklein | 99cab4e | 2015-07-31 06:43:04 -0700 | [diff] [blame] | 235 | return flags.type != SinkFlags::kRaster |
| 236 | || flags.approach != SinkFlags::kDirect; |
mtklein | e0effd6 | 2015-07-29 06:37:28 -0700 | [diff] [blame] | 237 | } |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 238 | |
msarett | 5406d6f | 2015-08-31 06:55:13 -0700 | [diff] [blame] | 239 | SkScanlineDecoder* start_scanline_decoder(SkData* encoded, const SkImageInfo& info, |
| 240 | SkPMColor* colorPtr, int* colorCountPtr) { |
| 241 | SkAutoTDelete<SkScanlineDecoder> scanlineDecoder(SkScanlineDecoder::NewFromData(encoded)); |
| 242 | if (nullptr == scanlineDecoder) { |
| 243 | return nullptr; |
| 244 | } |
msarett | 5406d6f | 2015-08-31 06:55:13 -0700 | [diff] [blame] | 245 | if (SkCodec::kSuccess != scanlineDecoder->start(info, NULL, colorPtr, colorCountPtr)) { |
| 246 | return nullptr; |
| 247 | } |
| 248 | return scanlineDecoder.detach(); |
| 249 | } |
| 250 | |
mtklein | e0effd6 | 2015-07-29 06:37:28 -0700 | [diff] [blame] | 251 | Error CodecSrc::draw(SkCanvas* canvas) const { |
mtklein | 75d98fd | 2015-01-18 07:05:01 -0800 | [diff] [blame] | 252 | SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(fPath.c_str())); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 253 | if (!encoded) { |
| 254 | return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| 255 | } |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 256 | SkAutoTDelete<SkCodec> codec(NULL); |
| 257 | if (kScaledCodec_Mode == fMode) { |
| 258 | codec.reset(SkScaledCodec::NewFromData(encoded)); |
| 259 | // TODO (msarett): This should fall through to a fatal error once we support scaled |
| 260 | // codecs for all image types. |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 261 | if (nullptr == codec.get()) { |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 262 | return Error::Nonfatal(SkStringPrintf("Couldn't create scaled codec for %s.", |
| 263 | fPath.c_str())); |
emmaleer | 8f4ba76 | 2015-08-14 07:44:46 -0700 | [diff] [blame] | 264 | } |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 265 | } else { |
| 266 | codec.reset(SkCodec::NewFromData(encoded)); |
| 267 | } |
| 268 | if (nullptr == codec.get()) { |
| 269 | return SkStringPrintf("Couldn't create codec for %s.", fPath.c_str()); |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 270 | } |
| 271 | |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 272 | // Choose the color type to decode to |
| 273 | SkImageInfo decodeInfo = codec->getInfo(); |
mtklein | e0effd6 | 2015-07-29 06:37:28 -0700 | [diff] [blame] | 274 | SkColorType canvasColorType = canvas->imageInfo().colorType(); |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 275 | switch (fDstColorType) { |
| 276 | case kIndex8_Always_DstColorType: |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 277 | decodeInfo = codec->getInfo().makeColorType(kIndex_8_SkColorType); |
| 278 | if (kRGB_565_SkColorType == canvasColorType) { |
| 279 | return Error::Nonfatal("Testing non-565 to 565 is uninteresting."); |
| 280 | } |
| 281 | break; |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 282 | case kGrayscale_Always_DstColorType: |
msarett | e16b04a | 2015-04-15 07:32:19 -0700 | [diff] [blame] | 283 | decodeInfo = codec->getInfo().makeColorType(kGray_8_SkColorType); |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 284 | if (kRGB_565_SkColorType == canvasColorType) { |
| 285 | return Error::Nonfatal("Testing non-565 to 565 is uninteresting."); |
| 286 | } |
| 287 | break; |
| 288 | default: |
| 289 | decodeInfo = decodeInfo.makeColorType(canvasColorType); |
| 290 | break; |
| 291 | } |
| 292 | |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 293 | // Try to scale the image if it is desired |
| 294 | SkISize size = codec->getScaledDimensions(fScale); |
| 295 | if (size == decodeInfo.dimensions() && 1.0f != fScale) { |
| 296 | return Error::Nonfatal("Test without scaling is uninteresting."); |
| 297 | } |
msarett | b32758a | 2015-08-18 13:22:46 -0700 | [diff] [blame] | 298 | |
| 299 | // Visually inspecting very small output images is not necessary. We will |
| 300 | // cover these cases in unit testing. |
| 301 | if ((size.width() <= 10 || size.height() <= 10) && 1.0f != fScale) { |
| 302 | return Error::Nonfatal("Scaling very small images is uninteresting."); |
| 303 | } |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 304 | decodeInfo = decodeInfo.makeWH(size.width(), size.height()); |
| 305 | |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 306 | // Construct a color table for the decode if necessary |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 307 | SkAutoTUnref<SkColorTable> colorTable(nullptr); |
| 308 | SkPMColor* colorPtr = nullptr; |
| 309 | int* colorCountPtr = nullptr; |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 310 | int maxColors = 256; |
| 311 | if (kIndex_8_SkColorType == decodeInfo.colorType()) { |
| 312 | SkPMColor colors[256]; |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 313 | colorTable.reset(new SkColorTable(colors, maxColors)); |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 314 | colorPtr = const_cast<SkPMColor*>(colorTable->readColors()); |
| 315 | colorCountPtr = &maxColors; |
| 316 | } |
| 317 | |
| 318 | // FIXME: Currently we cannot draw unpremultiplied sources. |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 319 | if (decodeInfo.alphaType() == kUnpremul_SkAlphaType) { |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 320 | decodeInfo = decodeInfo.makeAlphaType(kPremul_SkAlphaType); |
| 321 | } |
| 322 | |
| 323 | SkBitmap bitmap; |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 324 | if (!bitmap.tryAllocPixels(decodeInfo, nullptr, colorTable.get())) { |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 325 | return SkStringPrintf("Image(%s) is too large (%d x %d)\n", fPath.c_str(), |
| 326 | decodeInfo.width(), decodeInfo.height()); |
| 327 | } |
| 328 | |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 329 | switch (fMode) { |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 330 | case kScaledCodec_Mode: |
| 331 | case kCodec_Mode: { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 332 | switch (codec->getPixels(decodeInfo, bitmap.getPixels(), bitmap.rowBytes(), nullptr, |
msarett | 438b2ad | 2015-04-09 12:43:10 -0700 | [diff] [blame] | 333 | colorPtr, colorCountPtr)) { |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 334 | case SkCodec::kSuccess: |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 335 | // We consider incomplete to be valid, since we should still decode what is |
| 336 | // available. |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 337 | case SkCodec::kIncompleteInput: |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 338 | break; |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 339 | case SkCodec::kInvalidConversion: |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 340 | return Error::Nonfatal("Incompatible colortype conversion"); |
| 341 | default: |
| 342 | // Everything else is considered a failure. |
| 343 | return SkStringPrintf("Couldn't getPixels %s.", fPath.c_str()); |
| 344 | } |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 345 | canvas->drawBitmap(bitmap, 0, 0); |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 346 | break; |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 347 | } |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 348 | case kScanline_Mode: { |
scroggo | 1c005e4 | 2015-08-04 09:24:45 -0700 | [diff] [blame] | 349 | SkAutoTDelete<SkScanlineDecoder> scanlineDecoder( |
msarett | 5406d6f | 2015-08-31 06:55:13 -0700 | [diff] [blame] | 350 | start_scanline_decoder(encoded.get(), decodeInfo, colorPtr, colorCountPtr)); |
| 351 | if (nullptr == scanlineDecoder) { |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 352 | return Error::Nonfatal("Could not start scanline decoder"); |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 353 | } |
scroggo | 1c005e4 | 2015-08-04 09:24:45 -0700 | [diff] [blame] | 354 | |
msarett | 10522ff | 2015-09-07 08:54:01 -0700 | [diff] [blame] | 355 | SkCodec::Result result = SkCodec::kUnimplemented; |
| 356 | switch (scanlineDecoder->getScanlineOrder()) { |
| 357 | case SkScanlineDecoder::kTopDown_SkScanlineOrder: |
| 358 | case SkScanlineDecoder::kBottomUp_SkScanlineOrder: |
| 359 | case SkScanlineDecoder::kNone_SkScanlineOrder: |
| 360 | result = scanlineDecoder->getScanlines(bitmap.getAddr(0, 0), |
| 361 | decodeInfo.height(), bitmap.rowBytes()); |
| 362 | break; |
| 363 | case SkScanlineDecoder::kOutOfOrder_SkScanlineOrder: { |
| 364 | for (int y = 0; y < decodeInfo.height(); y++) { |
| 365 | int dstY = scanlineDecoder->getY(); |
| 366 | void* dstPtr = bitmap.getAddr(0, dstY); |
| 367 | result = scanlineDecoder->getScanlines(dstPtr, 1, bitmap.rowBytes()); |
| 368 | if (SkCodec::kSuccess != result && SkCodec::kIncompleteInput != result) { |
| 369 | return SkStringPrintf("%s failed with error message %d", |
| 370 | fPath.c_str(), (int) result); |
| 371 | } |
| 372 | } |
| 373 | break; |
| 374 | } |
| 375 | } |
| 376 | |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 377 | switch (result) { |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 378 | case SkCodec::kSuccess: |
| 379 | case SkCodec::kIncompleteInput: |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 380 | break; |
| 381 | default: |
| 382 | return SkStringPrintf("%s failed with error message %d", |
| 383 | fPath.c_str(), (int) result); |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 384 | } |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 385 | canvas->drawBitmap(bitmap, 0, 0); |
| 386 | break; |
| 387 | } |
| 388 | case kScanline_Subset_Mode: { |
| 389 | //this mode decodes the image in divisor*divisor subsets, using a scanline decoder |
| 390 | const int divisor = 2; |
| 391 | const int w = decodeInfo.width(); |
| 392 | const int h = decodeInfo.height(); |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 393 | if (divisor > w || divisor > h) { |
msarett | 7054257 | 2015-06-19 07:44:05 -0700 | [diff] [blame] | 394 | return Error::Nonfatal(SkStringPrintf("Cannot decode subset: divisor %d is too big" |
| 395 | "for %s with dimensions (%d x %d)", divisor, fPath.c_str(), w, h)); |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 396 | } |
| 397 | const int subsetWidth = w/divisor; |
| 398 | const int subsetHeight = h/divisor; |
| 399 | // One of our subsets will be larger to contain any pixels that do not divide evenly. |
| 400 | const int extraX = w % divisor; |
| 401 | const int extraY = h % divisor; |
| 402 | /* |
| 403 | * if w or h are not evenly divided by divisor need to adjust width and height of end |
| 404 | * subsets to cover entire image. |
| 405 | * Add extraX and extraY to largestSubsetBm's width and height to adjust width |
| 406 | * and height of end subsets. |
| 407 | * subsetBm is extracted from largestSubsetBm. |
| 408 | * subsetBm's size is determined based on the current subset and may be larger for end |
| 409 | * subsets. |
| 410 | */ |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 411 | SkImageInfo largestSubsetDecodeInfo = |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 412 | decodeInfo.makeWH(subsetWidth + extraX, subsetHeight + extraY); |
| 413 | SkBitmap largestSubsetBm; |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 414 | if (!largestSubsetBm.tryAllocPixels(largestSubsetDecodeInfo, nullptr, |
| 415 | colorTable.get())) { |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 416 | return SkStringPrintf("Image(%s) is too large (%d x %d)\n", fPath.c_str(), |
| 417 | largestSubsetDecodeInfo.width(), largestSubsetDecodeInfo.height()); |
| 418 | } |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 419 | const size_t rowBytes = decodeInfo.minRowBytes(); |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 420 | char* buffer = new char[largestSubsetDecodeInfo.height() * rowBytes]; |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 421 | SkAutoTDeleteArray<char> lineDeleter(buffer); |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 422 | for (int col = 0; col < divisor; col++) { |
| 423 | //currentSubsetWidth may be larger than subsetWidth for rightmost subsets |
| 424 | const int currentSubsetWidth = (col + 1 == divisor) ? |
| 425 | subsetWidth + extraX : subsetWidth; |
| 426 | const int x = col * subsetWidth; |
| 427 | for (int row = 0; row < divisor; row++) { |
| 428 | //currentSubsetHeight may be larger than subsetHeight for bottom subsets |
| 429 | const int currentSubsetHeight = (row + 1 == divisor) ? |
| 430 | subsetHeight + extraY : subsetHeight; |
| 431 | const int y = row * subsetHeight; |
| 432 | //create scanline decoder for each subset |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 433 | SkAutoTDelete<SkScanlineDecoder> decoder(start_scanline_decoder(encoded.get(), |
| 434 | decodeInfo, colorPtr, colorCountPtr)); |
| 435 | // TODO (msarett): Support this mode for all scanline orderings. |
| 436 | if (nullptr == decoder || SkScanlineDecoder::kTopDown_SkScanlineOrder != |
| 437 | decoder->getScanlineOrder()) { |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 438 | if (x == 0 && y == 0) { |
| 439 | //first try, image may not be compatible |
msarett | 5406d6f | 2015-08-31 06:55:13 -0700 | [diff] [blame] | 440 | return Error::Nonfatal("Could not start top-down scanline decoder"); |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 441 | } else { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 442 | return "Error scanline decoder is nullptr"; |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 443 | } |
| 444 | } |
| 445 | //skip to first line of subset |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 446 | const SkCodec::Result skipResult = decoder->skipScanlines(y); |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 447 | switch (skipResult) { |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 448 | case SkCodec::kSuccess: |
| 449 | case SkCodec::kIncompleteInput: |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 450 | break; |
| 451 | default: |
| 452 | return SkStringPrintf("%s failed after attempting to skip %d scanlines" |
| 453 | "with error message %d", fPath.c_str(), y, (int) skipResult); |
| 454 | } |
| 455 | //create and set size of subsetBm |
| 456 | SkBitmap subsetBm; |
| 457 | SkIRect bounds = SkIRect::MakeWH(subsetWidth, subsetHeight); |
| 458 | bounds.setXYWH(0, 0, currentSubsetWidth, currentSubsetHeight); |
| 459 | SkAssertResult(largestSubsetBm.extractSubset(&subsetBm, bounds)); |
| 460 | SkAutoLockPixels autlockSubsetBm(subsetBm, true); |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 461 | const SkCodec::Result subsetResult = |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 462 | decoder->getScanlines(buffer, currentSubsetHeight, rowBytes); |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 463 | switch (subsetResult) { |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 464 | case SkCodec::kSuccess: |
| 465 | case SkCodec::kIncompleteInput: |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 466 | break; |
| 467 | default: |
mtklein | d2baa90 | 2015-07-07 09:43:28 -0700 | [diff] [blame] | 468 | return SkStringPrintf("%s failed with error message %d", |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 469 | fPath.c_str(), (int) subsetResult); |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 470 | } |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 471 | const size_t bpp = decodeInfo.bytesPerPixel(); |
mtklein | d2baa90 | 2015-07-07 09:43:28 -0700 | [diff] [blame] | 472 | /* |
| 473 | * we copy all the lines at once becuase when calling getScanlines for |
| 474 | * interlaced pngs the entire image must be read regardless of the number |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 475 | * of lines requested. Reading an interlaced png in a loop, line-by-line, would |
| 476 | * decode the entire image height times, which is very slow |
| 477 | * it is aknowledged that copying each line as you read it in a loop |
| 478 | * may be faster for other types of images. Since this is a correctness test |
| 479 | * that's okay. |
| 480 | */ |
mtklein | d2baa90 | 2015-07-07 09:43:28 -0700 | [diff] [blame] | 481 | char* bufferRow = buffer; |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 482 | for (int subsetY = 0; subsetY < currentSubsetHeight; ++subsetY) { |
mtklein | d2baa90 | 2015-07-07 09:43:28 -0700 | [diff] [blame] | 483 | memcpy(subsetBm.getAddr(0, subsetY), bufferRow + x*bpp, |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 484 | currentSubsetWidth*bpp); |
| 485 | bufferRow += rowBytes; |
| 486 | } |
mtklein | d2baa90 | 2015-07-07 09:43:28 -0700 | [diff] [blame] | 487 | |
scroggo | 4358f13 | 2015-07-30 11:33:04 -0700 | [diff] [blame] | 488 | subsetBm.notifyPixelsChanged(); |
emmaleer | 9700206 | 2015-05-27 12:36:10 -0700 | [diff] [blame] | 489 | canvas->drawBitmap(subsetBm, SkIntToScalar(x), SkIntToScalar(y)); |
| 490 | } |
| 491 | } |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 492 | break; |
| 493 | } |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 494 | case kStripe_Mode: { |
| 495 | const int height = decodeInfo.height(); |
| 496 | // This value is chosen arbitrarily. We exercise more cases by choosing a value that |
| 497 | // does not align with image blocks. |
| 498 | const int stripeHeight = 37; |
| 499 | const int numStripes = (height + stripeHeight - 1) / stripeHeight; |
| 500 | |
| 501 | // Decode odd stripes |
msarett | 5406d6f | 2015-08-31 06:55:13 -0700 | [diff] [blame] | 502 | SkAutoTDelete<SkScanlineDecoder> decoder( |
| 503 | start_scanline_decoder(encoded.get(), decodeInfo, colorPtr, colorCountPtr)); |
msarett | 9e707a0 | 2015-09-01 14:57:57 -0700 | [diff] [blame] | 504 | if (nullptr == decoder || |
| 505 | SkScanlineDecoder::kTopDown_SkScanlineOrder != decoder->getScanlineOrder()) { |
| 506 | // This mode was designed to test the new skip scanlines API in libjpeg-turbo. |
| 507 | // Jpegs have kTopDown_SkScanlineOrder, and at this time, it is not interesting |
| 508 | // to run this test for image types that do not have this scanline ordering. |
msarett | 5406d6f | 2015-08-31 06:55:13 -0700 | [diff] [blame] | 509 | return Error::Nonfatal("Could not start top-down scanline decoder"); |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 510 | } |
| 511 | for (int i = 0; i < numStripes; i += 2) { |
| 512 | // Skip a stripe |
| 513 | const int linesToSkip = SkTMin(stripeHeight, height - i * stripeHeight); |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 514 | SkCodec::Result result = decoder->skipScanlines(linesToSkip); |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 515 | switch (result) { |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 516 | case SkCodec::kSuccess: |
| 517 | case SkCodec::kIncompleteInput: |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 518 | break; |
| 519 | default: |
| 520 | return SkStringPrintf("Cannot skip scanlines for %s.", fPath.c_str()); |
| 521 | } |
| 522 | |
| 523 | // Read a stripe |
| 524 | const int startY = (i + 1) * stripeHeight; |
| 525 | const int linesToRead = SkTMin(stripeHeight, height - startY); |
| 526 | if (linesToRead > 0) { |
| 527 | result = decoder->getScanlines(bitmap.getAddr(0, startY), |
| 528 | linesToRead, bitmap.rowBytes()); |
| 529 | switch (result) { |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 530 | case SkCodec::kSuccess: |
| 531 | case SkCodec::kIncompleteInput: |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 532 | break; |
| 533 | default: |
| 534 | return SkStringPrintf("Cannot get scanlines for %s.", fPath.c_str()); |
| 535 | } |
| 536 | } |
| 537 | } |
| 538 | |
| 539 | // Decode even stripes |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 540 | const SkCodec::Result startResult = decoder->start(decodeInfo, nullptr, colorPtr, |
scroggo | 1c005e4 | 2015-08-04 09:24:45 -0700 | [diff] [blame] | 541 | colorCountPtr); |
| 542 | if (SkCodec::kSuccess != startResult) { |
| 543 | return "Failed to restart scanline decoder with same parameters."; |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 544 | } |
| 545 | for (int i = 0; i < numStripes; i += 2) { |
| 546 | // Read a stripe |
| 547 | const int startY = i * stripeHeight; |
| 548 | const int linesToRead = SkTMin(stripeHeight, height - startY); |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 549 | SkCodec::Result result = decoder->getScanlines(bitmap.getAddr(0, startY), |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 550 | linesToRead, bitmap.rowBytes()); |
| 551 | switch (result) { |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 552 | case SkCodec::kSuccess: |
| 553 | case SkCodec::kIncompleteInput: |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 554 | break; |
| 555 | default: |
| 556 | return SkStringPrintf("Cannot get scanlines for %s.", fPath.c_str()); |
| 557 | } |
| 558 | |
| 559 | // Skip a stripe |
msarett | f6db27e | 2015-06-12 09:34:04 -0700 | [diff] [blame] | 560 | const int linesToSkip = SkTMin(stripeHeight, height - (i + 1) * stripeHeight); |
| 561 | if (linesToSkip > 0) { |
| 562 | result = decoder->skipScanlines(linesToSkip); |
| 563 | switch (result) { |
scroggo | eb602a5 | 2015-07-09 08:16:03 -0700 | [diff] [blame] | 564 | case SkCodec::kSuccess: |
| 565 | case SkCodec::kIncompleteInput: |
msarett | f6db27e | 2015-06-12 09:34:04 -0700 | [diff] [blame] | 566 | break; |
| 567 | default: |
| 568 | return SkStringPrintf("Cannot skip scanlines for %s.", fPath.c_str()); |
| 569 | } |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 570 | } |
| 571 | } |
| 572 | canvas->drawBitmap(bitmap, 0, 0); |
emmaleer | 0a4c3cb | 2015-06-22 10:40:21 -0700 | [diff] [blame] | 573 | break; |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 574 | } |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 575 | case kSubset_Mode: { |
| 576 | // Arbitrarily choose a divisor. |
| 577 | int divisor = 2; |
| 578 | // Total width/height of the image. |
| 579 | const int W = codec->getInfo().width(); |
| 580 | const int H = codec->getInfo().height(); |
| 581 | if (divisor > W || divisor > H) { |
| 582 | return Error::Nonfatal(SkStringPrintf("Cannot codec subset: divisor %d is too big " |
| 583 | "for %s with dimensions (%d x %d)", divisor, |
| 584 | fPath.c_str(), W, H)); |
| 585 | } |
| 586 | // subset dimensions |
| 587 | // SkWebpCodec, the only one that supports subsets, requires even top/left boundaries. |
| 588 | const int w = SkAlign2(W / divisor); |
| 589 | const int h = SkAlign2(H / divisor); |
| 590 | SkIRect subset; |
| 591 | SkCodec::Options opts; |
| 592 | opts.fSubset = ⊂ |
| 593 | SkBitmap subsetBm; |
| 594 | // We will reuse pixel memory from bitmap. |
| 595 | void* pixels = bitmap.getPixels(); |
| 596 | // Keep track of left and top (for drawing subsetBm into canvas). We could use |
| 597 | // fScale * x and fScale * y, but we want integers such that the next subset will start |
| 598 | // where the last one ended. So we'll add decodeInfo.width() and height(). |
| 599 | int left = 0; |
| 600 | for (int x = 0; x < W; x += w) { |
| 601 | int top = 0; |
| 602 | for (int y = 0; y < H; y+= h) { |
| 603 | // Do not make the subset go off the edge of the image. |
| 604 | const int preScaleW = SkTMin(w, W - x); |
| 605 | const int preScaleH = SkTMin(h, H - y); |
| 606 | subset.setXYWH(x, y, preScaleW, preScaleH); |
| 607 | // And scale |
| 608 | // FIXME: Should we have a version of getScaledDimensions that takes a subset |
| 609 | // into account? |
| 610 | decodeInfo = decodeInfo.makeWH(SkScalarRoundToInt(preScaleW * fScale), |
| 611 | SkScalarRoundToInt(preScaleH * fScale)); |
| 612 | size_t rowBytes = decodeInfo.minRowBytes(); |
| 613 | if (!subsetBm.installPixels(decodeInfo, pixels, rowBytes, colorTable.get(), |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 614 | nullptr, nullptr)) { |
scroggo | b636b45 | 2015-07-22 07:16:20 -0700 | [diff] [blame] | 615 | return SkStringPrintf("could not install pixels for %s.", fPath.c_str()); |
| 616 | } |
| 617 | const SkCodec::Result result = codec->getPixels(decodeInfo, pixels, rowBytes, |
| 618 | &opts, colorPtr, colorCountPtr); |
| 619 | switch (result) { |
| 620 | case SkCodec::kSuccess: |
| 621 | case SkCodec::kIncompleteInput: |
| 622 | break; |
| 623 | case SkCodec::kInvalidConversion: |
| 624 | if (0 == (x|y)) { |
| 625 | // First subset is okay to return unimplemented. |
| 626 | return Error::Nonfatal("Incompatible colortype conversion"); |
| 627 | } |
| 628 | // If the first subset succeeded, a later one should not fail. |
| 629 | // fall through to failure |
| 630 | case SkCodec::kUnimplemented: |
| 631 | if (0 == (x|y)) { |
| 632 | // First subset is okay to return unimplemented. |
| 633 | return Error::Nonfatal("subset codec not supported"); |
| 634 | } |
| 635 | // If the first subset succeeded, why would a later one fail? |
| 636 | // fall through to failure |
| 637 | default: |
| 638 | return SkStringPrintf("subset codec failed to decode (%d, %d, %d, %d) " |
| 639 | "from %s with dimensions (%d x %d)\t error %d", |
| 640 | x, y, decodeInfo.width(), decodeInfo.height(), |
| 641 | fPath.c_str(), W, H, result); |
| 642 | } |
| 643 | canvas->drawBitmap(subsetBm, SkIntToScalar(left), SkIntToScalar(top)); |
| 644 | // translate by the scaled height. |
| 645 | top += decodeInfo.height(); |
| 646 | } |
| 647 | // translate by the scaled width. |
| 648 | left += decodeInfo.width(); |
| 649 | } |
| 650 | return ""; |
| 651 | } |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 652 | } |
scroggo | 9c59ebc | 2015-03-25 13:48:49 -0700 | [diff] [blame] | 653 | return ""; |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | SkISize CodecSrc::size() const { |
| 657 | SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(fPath.c_str())); |
emmaleer | 8f4ba76 | 2015-08-14 07:44:46 -0700 | [diff] [blame] | 658 | SkAutoTDelete<SkCodec> codec(SkScaledCodec::NewFromData(encoded)); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 659 | if (nullptr == codec) { |
emmaleer | 8f4ba76 | 2015-08-14 07:44:46 -0700 | [diff] [blame] | 660 | // scaledCodec not supported, try regular codec |
| 661 | codec.reset(SkCodec::NewFromData(encoded)); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 662 | if (nullptr == codec) { |
emmaleer | 8f4ba76 | 2015-08-14 07:44:46 -0700 | [diff] [blame] | 663 | return SkISize::Make(0, 0); |
| 664 | } |
msarett | 9bde918 | 2015-03-25 05:27:48 -0700 | [diff] [blame] | 665 | } |
emmaleer | 8f4ba76 | 2015-08-14 07:44:46 -0700 | [diff] [blame] | 666 | SkISize size = codec->getScaledDimensions(fScale); |
| 667 | return size; |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | Name CodecSrc::name() const { |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 671 | if (1.0f == fScale) { |
| 672 | return SkOSPath::Basename(fPath.c_str()); |
msarett | 0a24297 | 2015-06-11 14:27:27 -0700 | [diff] [blame] | 673 | } |
msarett | a5783ae | 2015-09-08 15:35:32 -0700 | [diff] [blame^] | 674 | return get_scaled_name(fPath, fScale); |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 675 | } |
| 676 | |
| 677 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 678 | |
| 679 | ImageSrc::ImageSrc(Path path, int divisor) : fPath(path), fDivisor(divisor) {} |
| 680 | |
mtklein | 99cab4e | 2015-07-31 06:43:04 -0700 | [diff] [blame] | 681 | bool ImageSrc::veto(SinkFlags flags) const { |
| 682 | // No need to test decoding to non-raster or indirect backend. |
mtklein | e0effd6 | 2015-07-29 06:37:28 -0700 | [diff] [blame] | 683 | // TODO: Instead, use lazy decoding to allow the GPU to handle cases like YUV. |
mtklein | 99cab4e | 2015-07-31 06:43:04 -0700 | [diff] [blame] | 684 | return flags.type != SinkFlags::kRaster |
| 685 | || flags.approach != SinkFlags::kDirect; |
mtklein | e0effd6 | 2015-07-29 06:37:28 -0700 | [diff] [blame] | 686 | } |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 687 | |
mtklein | e0effd6 | 2015-07-29 06:37:28 -0700 | [diff] [blame] | 688 | Error ImageSrc::draw(SkCanvas* canvas) const { |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 689 | SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(fPath.c_str())); |
| 690 | if (!encoded) { |
| 691 | return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| 692 | } |
mtklein | e0effd6 | 2015-07-29 06:37:28 -0700 | [diff] [blame] | 693 | const SkColorType dstColorType = canvas->imageInfo().colorType(); |
mtklein | edc93bc | 2015-01-30 13:22:23 -0800 | [diff] [blame] | 694 | if (fDivisor == 0) { |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 695 | // Decode the full image. |
| 696 | SkBitmap bitmap; |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 697 | if (!SkImageDecoder::DecodeMemory(encoded->data(), encoded->size(), &bitmap, |
| 698 | dstColorType, SkImageDecoder::kDecodePixels_Mode)) { |
| 699 | return SkStringPrintf("Couldn't decode %s.", fPath.c_str()); |
| 700 | } |
| 701 | if (kRGB_565_SkColorType == dstColorType && !bitmap.isOpaque()) { |
| 702 | // Do not draw a bitmap with alpha to a destination without alpha. |
| 703 | return Error::Nonfatal("Uninteresting to decode image with alpha into 565."); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 704 | } |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 705 | encoded.reset((SkData*)nullptr); // Might as well drop this when we're done with it. |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 706 | canvas->drawBitmap(bitmap, 0,0); |
| 707 | return ""; |
| 708 | } |
mtklein | edc93bc | 2015-01-30 13:22:23 -0800 | [diff] [blame] | 709 | // Decode subsets. This is a little involved. |
scroggo | a1193e4 | 2015-01-21 12:09:53 -0800 | [diff] [blame] | 710 | SkAutoTDelete<SkMemoryStream> stream(new SkMemoryStream(encoded)); |
| 711 | SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(stream.get())); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 712 | if (!decoder) { |
| 713 | return SkStringPrintf("Can't find a good decoder for %s.", fPath.c_str()); |
| 714 | } |
scroggo | a1193e4 | 2015-01-21 12:09:53 -0800 | [diff] [blame] | 715 | stream->rewind(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 716 | int w,h; |
msarett | 7054257 | 2015-06-19 07:44:05 -0700 | [diff] [blame] | 717 | if (!decoder->buildTileIndex(stream.detach(), &w, &h)) { |
mtklein | 4089ef7 | 2015-03-05 08:40:28 -0800 | [diff] [blame] | 718 | return Error::Nonfatal("Subset decoding not supported."); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 719 | } |
mtklein | edc93bc | 2015-01-30 13:22:23 -0800 | [diff] [blame] | 720 | |
| 721 | // Divide the image into subsets that cover the entire image. |
| 722 | if (fDivisor > w || fDivisor > h) { |
msarett | 7054257 | 2015-06-19 07:44:05 -0700 | [diff] [blame] | 723 | return Error::Nonfatal(SkStringPrintf("Cannot decode subset: divisor %d is too big" |
| 724 | "for %s with dimensions (%d x %d)", fDivisor, fPath.c_str(), w, h)); |
mtklein | edc93bc | 2015-01-30 13:22:23 -0800 | [diff] [blame] | 725 | } |
| 726 | const int subsetWidth = w / fDivisor, |
| 727 | subsetHeight = h / fDivisor; |
| 728 | for (int y = 0; y < h; y += subsetHeight) { |
| 729 | for (int x = 0; x < w; x += subsetWidth) { |
| 730 | SkBitmap subset; |
| 731 | SkIRect rect = SkIRect::MakeXYWH(x, y, subsetWidth, subsetHeight); |
| 732 | if (!decoder->decodeSubset(&subset, rect, dstColorType)) { |
| 733 | return SkStringPrintf("Could not decode subset (%d, %d, %d, %d).", |
| 734 | x, y, x+subsetWidth, y+subsetHeight); |
| 735 | } |
scroggo | 56e25dd | 2015-03-05 11:46:40 -0800 | [diff] [blame] | 736 | if (kRGB_565_SkColorType == dstColorType && !subset.isOpaque()) { |
| 737 | // Do not draw a bitmap with alpha to a destination without alpha. |
| 738 | // This is not an error, but there is nothing interesting to show. |
| 739 | |
| 740 | // This should only happen on the first iteration through the loop. |
| 741 | SkASSERT(0 == x && 0 == y); |
| 742 | |
| 743 | return Error::Nonfatal("Uninteresting to decode image with alpha into 565."); |
| 744 | } |
mtklein | edc93bc | 2015-01-30 13:22:23 -0800 | [diff] [blame] | 745 | canvas->drawBitmap(subset, SkIntToScalar(x), SkIntToScalar(y)); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 746 | } |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 747 | } |
| 748 | return ""; |
| 749 | } |
| 750 | |
| 751 | SkISize ImageSrc::size() const { |
mtklein | 75d98fd | 2015-01-18 07:05:01 -0800 | [diff] [blame] | 752 | SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(fPath.c_str())); |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 753 | SkBitmap bitmap; |
| 754 | if (!encoded || !SkImageDecoder::DecodeMemory(encoded->data(), |
| 755 | encoded->size(), |
| 756 | &bitmap, |
| 757 | kUnknown_SkColorType, |
| 758 | SkImageDecoder::kDecodeBounds_Mode)) { |
| 759 | return SkISize::Make(0,0); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 760 | } |
scroggo | 9b77ddd | 2015-03-19 06:03:39 -0700 | [diff] [blame] | 761 | return bitmap.dimensions(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 762 | } |
| 763 | |
mtklein | 9264a95 | 2015-01-20 10:11:53 -0800 | [diff] [blame] | 764 | Name ImageSrc::name() const { |
mtklein | edc93bc | 2015-01-30 13:22:23 -0800 | [diff] [blame] | 765 | return SkOSPath::Basename(fPath.c_str()); |
mtklein | 9264a95 | 2015-01-20 10:11:53 -0800 | [diff] [blame] | 766 | } |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 767 | |
| 768 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 769 | |
mtklein | f4ba321 | 2015-01-28 15:32:24 -0800 | [diff] [blame] | 770 | static const SkRect kSKPViewport = {0,0, 1000,1000}; |
| 771 | |
mtklein | 8d17a13 | 2015-01-30 11:42:31 -0800 | [diff] [blame] | 772 | SKPSrc::SKPSrc(Path path) : fPath(path) {} |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 773 | |
| 774 | Error SKPSrc::draw(SkCanvas* canvas) const { |
scroggo | a1193e4 | 2015-01-21 12:09:53 -0800 | [diff] [blame] | 775 | SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(fPath.c_str())); |
mtklein | 75d98fd | 2015-01-18 07:05:01 -0800 | [diff] [blame] | 776 | if (!stream) { |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 777 | return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| 778 | } |
mtklein | b3e5e4d | 2015-03-25 13:13:43 -0700 | [diff] [blame] | 779 | SkAutoTUnref<SkPicture> pic(SkPicture::CreateFromStream(stream, &lazy_decode_bitmap)); |
mtklein | 75d98fd | 2015-01-18 07:05:01 -0800 | [diff] [blame] | 780 | if (!pic) { |
| 781 | return SkStringPrintf("Couldn't decode %s as a picture.", fPath.c_str()); |
| 782 | } |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 783 | stream.reset((SkStream*)nullptr); // Might as well drop this when we're done with it. |
joshualitt | 7c3a2f8 | 2015-03-31 13:32:05 -0700 | [diff] [blame] | 784 | |
mtklein | f4ba321 | 2015-01-28 15:32:24 -0800 | [diff] [blame] | 785 | canvas->clipRect(kSKPViewport); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 786 | canvas->drawPicture(pic); |
| 787 | return ""; |
| 788 | } |
| 789 | |
| 790 | SkISize SKPSrc::size() const { |
mtklein | ffa901a | 2015-03-16 10:38:07 -0700 | [diff] [blame] | 791 | SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(fPath.c_str())); |
| 792 | if (!stream) { |
| 793 | return SkISize::Make(0,0); |
| 794 | } |
| 795 | SkPictInfo info; |
| 796 | if (!SkPicture::InternalOnly_StreamIsSKP(stream, &info)) { |
| 797 | return SkISize::Make(0,0); |
| 798 | } |
| 799 | SkRect viewport = kSKPViewport; |
| 800 | if (!viewport.intersect(info.fCullRect)) { |
| 801 | return SkISize::Make(0,0); |
| 802 | } |
| 803 | return viewport.roundOut().size(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 804 | } |
| 805 | |
| 806 | Name SKPSrc::name() const { return SkOSPath::Basename(fPath.c_str()); } |
| 807 | |
| 808 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 809 | |
mtklein | ad66f9b | 2015-02-13 15:11:10 -0800 | [diff] [blame] | 810 | Error NullSink::draw(const Src& src, SkBitmap*, SkWStream*, SkString*) const { |
| 811 | SkAutoTDelete<SkCanvas> canvas(SkCreateNullCanvas()); |
| 812 | return src.draw(canvas); |
| 813 | } |
| 814 | |
| 815 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 816 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 817 | DEFINE_bool(gpuStats, false, "Append GPU stats to the log for each GPU task?"); |
| 818 | |
mtklein | 82d2843 | 2015-01-15 12:46:02 -0800 | [diff] [blame] | 819 | GPUSink::GPUSink(GrContextFactory::GLContextType ct, |
| 820 | GrGLStandard api, |
| 821 | int samples, |
bsalomon | afcd7cd | 2015-08-31 12:39:41 -0700 | [diff] [blame] | 822 | bool diText, |
mtklein | 82d2843 | 2015-01-15 12:46:02 -0800 | [diff] [blame] | 823 | bool threaded) |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 824 | : fContextType(ct) |
| 825 | , fGpuAPI(api) |
| 826 | , fSampleCount(samples) |
bsalomon | afcd7cd | 2015-08-31 12:39:41 -0700 | [diff] [blame] | 827 | , fUseDIText(diText) |
mtklein | 82d2843 | 2015-01-15 12:46:02 -0800 | [diff] [blame] | 828 | , fThreaded(threaded) {} |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 829 | |
| 830 | int GPUSink::enclave() const { |
mtklein | 55e88b2 | 2015-01-21 15:50:13 -0800 | [diff] [blame] | 831 | return fThreaded ? kAnyThread_Enclave : kGPU_Enclave; |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 832 | } |
| 833 | |
joshualitt | 5f5a8d7 | 2015-02-25 14:09:45 -0800 | [diff] [blame] | 834 | void PreAbandonGpuContextErrorHandler(SkError, void*) {} |
| 835 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 836 | Error GPUSink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString* log) const { |
bsalomon | 4ee6bd8 | 2015-05-27 13:23:23 -0700 | [diff] [blame] | 837 | GrContextOptions options; |
| 838 | src.modifyGrContextOptions(&options); |
| 839 | |
| 840 | GrContextFactory factory(options); |
mtklein | f4ba321 | 2015-01-28 15:32:24 -0800 | [diff] [blame] | 841 | const SkISize size = src.size(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 842 | const SkImageInfo info = |
| 843 | SkImageInfo::Make(size.width(), size.height(), kN32_SkColorType, kPremul_SkAlphaType); |
| 844 | SkAutoTUnref<SkSurface> surface( |
bsalomon | afcd7cd | 2015-08-31 12:39:41 -0700 | [diff] [blame] | 845 | NewGpuSurface(&factory, fContextType, fGpuAPI, info, fSampleCount, fUseDIText)); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 846 | if (!surface) { |
| 847 | return "Could not create a surface."; |
| 848 | } |
joshualitt | 5f5a8d7 | 2015-02-25 14:09:45 -0800 | [diff] [blame] | 849 | if (FLAGS_preAbandonGpuContext) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 850 | SkSetErrorCallback(&PreAbandonGpuContextErrorHandler, nullptr); |
joshualitt | 5f5a8d7 | 2015-02-25 14:09:45 -0800 | [diff] [blame] | 851 | factory.abandonContexts(); |
| 852 | } |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 853 | SkCanvas* canvas = surface->getCanvas(); |
| 854 | Error err = src.draw(canvas); |
| 855 | if (!err.isEmpty()) { |
| 856 | return err; |
| 857 | } |
| 858 | canvas->flush(); |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 859 | if (FLAGS_gpuStats) { |
| 860 | canvas->getGrContext()->dumpCacheStats(log); |
| 861 | canvas->getGrContext()->dumpGpuStats(log); |
| 862 | } |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 863 | dst->allocPixels(info); |
joshualitt | 5f5a8d7 | 2015-02-25 14:09:45 -0800 | [diff] [blame] | 864 | canvas->readPixels(dst, 0, 0); |
mtklein | 55e88b2 | 2015-01-21 15:50:13 -0800 | [diff] [blame] | 865 | if (FLAGS_abandonGpuContext) { |
| 866 | factory.abandonContexts(); |
| 867 | } |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 868 | return ""; |
| 869 | } |
| 870 | |
| 871 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 872 | |
halcanary | 47ef4d5 | 2015-03-03 09:13:09 -0800 | [diff] [blame] | 873 | static Error draw_skdocument(const Src& src, SkDocument* doc, SkWStream* dst) { |
| 874 | // Print the given DM:Src to a document, breaking on 8.5x11 pages. |
| 875 | SkASSERT(doc); |
halcanary | fd4a993 | 2015-01-28 11:45:58 -0800 | [diff] [blame] | 876 | int width = src.size().width(), |
| 877 | height = src.size().height(); |
| 878 | |
halcanary | 7e79818 | 2015-04-14 14:06:18 -0700 | [diff] [blame] | 879 | if (FLAGS_multiPage) { |
| 880 | const int kLetterWidth = 612, // 8.5 * 72 |
| 881 | kLetterHeight = 792; // 11 * 72 |
| 882 | const SkRect letter = SkRect::MakeWH(SkIntToScalar(kLetterWidth), |
| 883 | SkIntToScalar(kLetterHeight)); |
halcanary | fd4a993 | 2015-01-28 11:45:58 -0800 | [diff] [blame] | 884 | |
halcanary | 7e79818 | 2015-04-14 14:06:18 -0700 | [diff] [blame] | 885 | int xPages = ((width - 1) / kLetterWidth) + 1; |
| 886 | int yPages = ((height - 1) / kLetterHeight) + 1; |
halcanary | fd4a993 | 2015-01-28 11:45:58 -0800 | [diff] [blame] | 887 | |
halcanary | 7e79818 | 2015-04-14 14:06:18 -0700 | [diff] [blame] | 888 | for (int y = 0; y < yPages; ++y) { |
| 889 | for (int x = 0; x < xPages; ++x) { |
| 890 | int w = SkTMin(kLetterWidth, width - (x * kLetterWidth)); |
| 891 | int h = SkTMin(kLetterHeight, height - (y * kLetterHeight)); |
| 892 | SkCanvas* canvas = |
| 893 | doc->beginPage(SkIntToScalar(w), SkIntToScalar(h)); |
| 894 | if (!canvas) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 895 | return "SkDocument::beginPage(w,h) returned nullptr"; |
halcanary | 7e79818 | 2015-04-14 14:06:18 -0700 | [diff] [blame] | 896 | } |
| 897 | canvas->clipRect(letter); |
| 898 | canvas->translate(-letter.width() * x, -letter.height() * y); |
| 899 | Error err = src.draw(canvas); |
| 900 | if (!err.isEmpty()) { |
| 901 | return err; |
| 902 | } |
| 903 | doc->endPage(); |
djsollen | 2ab9000 | 2015-04-03 06:38:31 -0700 | [diff] [blame] | 904 | } |
halcanary | fd4a993 | 2015-01-28 11:45:58 -0800 | [diff] [blame] | 905 | } |
halcanary | 7e79818 | 2015-04-14 14:06:18 -0700 | [diff] [blame] | 906 | } else { |
| 907 | SkCanvas* canvas = |
| 908 | doc->beginPage(SkIntToScalar(width), SkIntToScalar(height)); |
| 909 | if (!canvas) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 910 | return "SkDocument::beginPage(w,h) returned nullptr"; |
halcanary | 7e79818 | 2015-04-14 14:06:18 -0700 | [diff] [blame] | 911 | } |
| 912 | Error err = src.draw(canvas); |
| 913 | if (!err.isEmpty()) { |
| 914 | return err; |
| 915 | } |
| 916 | doc->endPage(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 917 | } |
halcanary | 7e79818 | 2015-04-14 14:06:18 -0700 | [diff] [blame] | 918 | if (!doc->close()) { |
| 919 | return "SkDocument::close() returned false"; |
| 920 | } |
halcanary | fd4a993 | 2015-01-28 11:45:58 -0800 | [diff] [blame] | 921 | dst->flush(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 922 | return ""; |
| 923 | } |
| 924 | |
halcanary | 47ef4d5 | 2015-03-03 09:13:09 -0800 | [diff] [blame] | 925 | PDFSink::PDFSink() {} |
| 926 | |
| 927 | Error PDFSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| 928 | SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(dst)); |
| 929 | if (!doc) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 930 | return "SkDocument::CreatePDF() returned nullptr"; |
halcanary | 47ef4d5 | 2015-03-03 09:13:09 -0800 | [diff] [blame] | 931 | } |
| 932 | return draw_skdocument(src, doc.get(), dst); |
| 933 | } |
| 934 | |
| 935 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 936 | |
| 937 | XPSSink::XPSSink() {} |
| 938 | |
| 939 | Error XPSSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| 940 | SkAutoTUnref<SkDocument> doc(SkDocument::CreateXPS(dst)); |
| 941 | if (!doc) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 942 | return "SkDocument::CreateXPS() returned nullptr"; |
halcanary | 47ef4d5 | 2015-03-03 09:13:09 -0800 | [diff] [blame] | 943 | } |
| 944 | return draw_skdocument(src, doc.get(), dst); |
| 945 | } |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 946 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 947 | |
mtklein | 9c3f17d | 2015-01-28 11:35:18 -0800 | [diff] [blame] | 948 | SKPSink::SKPSink() {} |
| 949 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 950 | Error SKPSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
mtklein | 9c3f17d | 2015-01-28 11:35:18 -0800 | [diff] [blame] | 951 | SkSize size; |
| 952 | size = src.size(); |
| 953 | SkPictureRecorder recorder; |
| 954 | Error err = src.draw(recorder.beginRecording(size.width(), size.height())); |
| 955 | if (!err.isEmpty()) { |
| 956 | return err; |
| 957 | } |
| 958 | SkAutoTUnref<SkPicture> pic(recorder.endRecording()); |
| 959 | pic->serialize(dst); |
| 960 | return ""; |
| 961 | } |
| 962 | |
| 963 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 964 | |
mtklein | 8a4527e | 2015-01-31 20:00:58 -0800 | [diff] [blame] | 965 | SVGSink::SVGSink() {} |
| 966 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 967 | Error SVGSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 968 | SkAutoTDelete<SkXMLWriter> xmlWriter(new SkXMLStreamWriter(dst)); |
fmalita | 2aafe6f | 2015-02-06 12:51:10 -0800 | [diff] [blame] | 969 | SkAutoTUnref<SkCanvas> canvas(SkSVGCanvas::Create( |
| 970 | SkRect::MakeWH(SkIntToScalar(src.size().width()), SkIntToScalar(src.size().height())), |
| 971 | xmlWriter)); |
| 972 | return src.draw(canvas); |
mtklein | 8a4527e | 2015-01-31 20:00:58 -0800 | [diff] [blame] | 973 | } |
| 974 | |
| 975 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 976 | |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 977 | RasterSink::RasterSink(SkColorType colorType) : fColorType(colorType) {} |
| 978 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 979 | Error RasterSink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString*) const { |
mtklein | f4ba321 | 2015-01-28 15:32:24 -0800 | [diff] [blame] | 980 | const SkISize size = src.size(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 981 | // If there's an appropriate alpha type for this color type, use it, otherwise use premul. |
| 982 | SkAlphaType alphaType = kPremul_SkAlphaType; |
| 983 | (void)SkColorTypeValidateAlphaType(fColorType, alphaType, &alphaType); |
| 984 | |
| 985 | dst->allocPixels(SkImageInfo::Make(size.width(), size.height(), fColorType, alphaType)); |
| 986 | dst->eraseColor(SK_ColorTRANSPARENT); |
| 987 | SkCanvas canvas(*dst); |
| 988 | return src.draw(&canvas); |
| 989 | } |
| 990 | |
| 991 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 992 | |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 993 | // Handy for front-patching a Src. Do whatever up-front work you need, then call draw_to_canvas(), |
mtklein | e44b508 | 2015-05-07 10:53:34 -0700 | [diff] [blame] | 994 | // passing the Sink draw() arguments, a size, and a function draws into an SkCanvas. |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 995 | // Several examples below. |
| 996 | |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 997 | static Error draw_to_canvas(Sink* sink, SkBitmap* bitmap, SkWStream* stream, SkString* log, |
mtklein | e44b508 | 2015-05-07 10:53:34 -0700 | [diff] [blame] | 998 | SkISize size, SkFunction<Error(SkCanvas*)> draw) { |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 999 | class ProxySrc : public Src { |
| 1000 | public: |
mtklein | e44b508 | 2015-05-07 10:53:34 -0700 | [diff] [blame] | 1001 | ProxySrc(SkISize size, SkFunction<Error(SkCanvas*)> draw) : fSize(size), fDraw(draw) {} |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1002 | Error draw(SkCanvas* canvas) const override { return fDraw(canvas); } |
| 1003 | Name name() const override { sk_throw(); return ""; } // Won't be called. |
| 1004 | SkISize size() const override { return fSize; } |
| 1005 | private: |
mtklein | e44b508 | 2015-05-07 10:53:34 -0700 | [diff] [blame] | 1006 | SkISize fSize; |
| 1007 | SkFunction<Error(SkCanvas*)> fDraw; |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1008 | }; |
| 1009 | return sink->draw(ProxySrc(size, draw), bitmap, stream, log); |
| 1010 | } |
| 1011 | |
| 1012 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 1013 | |
mtklein | d603b22 | 2015-02-17 11:13:33 -0800 | [diff] [blame] | 1014 | static SkISize auto_compute_translate(SkMatrix* matrix, int srcW, int srcH) { |
| 1015 | SkRect bounds = SkRect::MakeIWH(srcW, srcH); |
| 1016 | matrix->mapRect(&bounds); |
| 1017 | matrix->postTranslate(-bounds.x(), -bounds.y()); |
| 1018 | return SkISize::Make(SkScalarRoundToInt(bounds.width()), SkScalarRoundToInt(bounds.height())); |
| 1019 | } |
| 1020 | |
mtklein | 7882924 | 2015-05-06 07:54:07 -0700 | [diff] [blame] | 1021 | ViaMatrix::ViaMatrix(SkMatrix matrix, Sink* sink) : Via(sink), fMatrix(matrix) {} |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1022 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 1023 | Error ViaMatrix::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1024 | SkMatrix matrix = fMatrix; |
| 1025 | SkISize size = auto_compute_translate(&matrix, src.size().width(), src.size().height()); |
| 1026 | return draw_to_canvas(fSink, bitmap, stream, log, size, [&](SkCanvas* canvas) { |
| 1027 | canvas->concat(matrix); |
| 1028 | return src.draw(canvas); |
| 1029 | }); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1030 | } |
| 1031 | |
mtklein | d603b22 | 2015-02-17 11:13:33 -0800 | [diff] [blame] | 1032 | // Undoes any flip or 90 degree rotate without changing the scale of the bitmap. |
| 1033 | // This should be pixel-preserving. |
mtklein | 7882924 | 2015-05-06 07:54:07 -0700 | [diff] [blame] | 1034 | ViaUpright::ViaUpright(SkMatrix matrix, Sink* sink) : Via(sink), fMatrix(matrix) {} |
mtklein | d603b22 | 2015-02-17 11:13:33 -0800 | [diff] [blame] | 1035 | |
| 1036 | Error ViaUpright::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| 1037 | Error err = fSink->draw(src, bitmap, stream, log); |
| 1038 | if (!err.isEmpty()) { |
| 1039 | return err; |
| 1040 | } |
| 1041 | |
| 1042 | SkMatrix inverse; |
| 1043 | if (!fMatrix.rectStaysRect() || !fMatrix.invert(&inverse)) { |
| 1044 | return "Cannot upright --matrix."; |
| 1045 | } |
| 1046 | SkMatrix upright = SkMatrix::I(); |
| 1047 | upright.setScaleX(SkScalarSignAsScalar(inverse.getScaleX())); |
| 1048 | upright.setScaleY(SkScalarSignAsScalar(inverse.getScaleY())); |
| 1049 | upright.setSkewX(SkScalarSignAsScalar(inverse.getSkewX())); |
| 1050 | upright.setSkewY(SkScalarSignAsScalar(inverse.getSkewY())); |
| 1051 | |
| 1052 | SkBitmap uprighted; |
| 1053 | SkISize size = auto_compute_translate(&upright, bitmap->width(), bitmap->height()); |
| 1054 | uprighted.allocPixels(bitmap->info().makeWH(size.width(), size.height())); |
| 1055 | |
| 1056 | SkCanvas canvas(uprighted); |
| 1057 | canvas.concat(upright); |
| 1058 | SkPaint paint; |
| 1059 | paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| 1060 | canvas.drawBitmap(*bitmap, 0, 0, &paint); |
| 1061 | |
| 1062 | *bitmap = uprighted; |
| 1063 | bitmap->lockPixels(); |
| 1064 | return ""; |
| 1065 | } |
| 1066 | |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1067 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 1068 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 1069 | Error ViaPipe::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1070 | auto size = src.size(); |
| 1071 | return draw_to_canvas(fSink, bitmap, stream, log, size, [&](SkCanvas* canvas) { |
| 1072 | PipeController controller(canvas, &SkImageDecoder::DecodeMemory); |
| 1073 | SkGPipeWriter pipe; |
reed | 451af50 | 2015-08-19 08:18:04 -0700 | [diff] [blame] | 1074 | const uint32_t kFlags = 0; |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1075 | return src.draw(pipe.startRecording(&controller, kFlags, size.width(), size.height())); |
| 1076 | }); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1077 | } |
| 1078 | |
| 1079 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1080 | |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1081 | Error ViaSerialization::draw( |
| 1082 | const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1083 | // Record our Src into a picture. |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1084 | auto size = src.size(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1085 | SkPictureRecorder recorder; |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1086 | Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()), |
| 1087 | SkIntToScalar(size.height()))); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1088 | if (!err.isEmpty()) { |
| 1089 | return err; |
| 1090 | } |
| 1091 | SkAutoTUnref<SkPicture> pic(recorder.endRecording()); |
| 1092 | |
| 1093 | // Serialize it and then deserialize it. |
| 1094 | SkDynamicMemoryWStream wStream; |
| 1095 | pic->serialize(&wStream); |
scroggo | a1193e4 | 2015-01-21 12:09:53 -0800 | [diff] [blame] | 1096 | SkAutoTDelete<SkStream> rStream(wStream.detachAsStream()); |
mtklein | b3e5e4d | 2015-03-25 13:13:43 -0700 | [diff] [blame] | 1097 | SkAutoTUnref<SkPicture> deserialized(SkPicture::CreateFromStream(rStream, &lazy_decode_bitmap)); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1098 | |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1099 | return draw_to_canvas(fSink, bitmap, stream, log, size, [&](SkCanvas* canvas) { |
| 1100 | canvas->drawPicture(deserialized); |
| 1101 | return ""; |
| 1102 | }); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1103 | } |
| 1104 | |
| 1105 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 1106 | |
| 1107 | ViaTiles::ViaTiles(int w, int h, SkBBHFactory* factory, Sink* sink) |
mtklein | 7882924 | 2015-05-06 07:54:07 -0700 | [diff] [blame] | 1108 | : Via(sink) |
| 1109 | , fW(w) |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1110 | , fH(h) |
mtklein | 7882924 | 2015-05-06 07:54:07 -0700 | [diff] [blame] | 1111 | , fFactory(factory) {} |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1112 | |
mtklein | b9eb4ac | 2015-02-02 18:26:03 -0800 | [diff] [blame] | 1113 | Error ViaTiles::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1114 | auto size = src.size(); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1115 | SkPictureRecorder recorder; |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1116 | Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()), |
| 1117 | SkIntToScalar(size.height()), |
| 1118 | fFactory.get())); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1119 | if (!err.isEmpty()) { |
| 1120 | return err; |
| 1121 | } |
mtklein | b7e8d69 | 2015-04-07 08:30:32 -0700 | [diff] [blame] | 1122 | SkAutoTUnref<SkPicture> pic(recorder.endRecordingAsPicture()); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1123 | |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1124 | return draw_to_canvas(fSink, bitmap, stream, log, src.size(), [&](SkCanvas* canvas) { |
| 1125 | const int xTiles = (size.width() + fW - 1) / fW, |
| 1126 | yTiles = (size.height() + fH - 1) / fH; |
| 1127 | SkMultiPictureDraw mpd(xTiles*yTiles); |
| 1128 | SkTDArray<SkSurface*> surfaces; |
| 1129 | surfaces.setReserve(xTiles*yTiles); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1130 | |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1131 | SkImageInfo info = canvas->imageInfo().makeWH(fW, fH); |
| 1132 | for (int j = 0; j < yTiles; j++) { |
| 1133 | for (int i = 0; i < xTiles; i++) { |
| 1134 | // This lets our ultimate Sink determine the best kind of surface. |
| 1135 | // E.g., if it's a GpuSink, the surfaces and images are textures. |
| 1136 | SkSurface* s = canvas->newSurface(info); |
| 1137 | if (!s) { |
| 1138 | s = SkSurface::NewRaster(info); // Some canvases can't create surfaces. |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1139 | } |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1140 | surfaces.push(s); |
| 1141 | SkCanvas* c = s->getCanvas(); |
| 1142 | c->translate(SkIntToScalar(-i * fW), |
| 1143 | SkIntToScalar(-j * fH)); // Line up the canvas with this tile. |
| 1144 | mpd.add(c, pic); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1145 | } |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1146 | } |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1147 | mpd.draw(); |
| 1148 | for (int j = 0; j < yTiles; j++) { |
| 1149 | for (int i = 0; i < xTiles; i++) { |
| 1150 | SkAutoTUnref<SkImage> image(surfaces[i+xTiles*j]->newImageSnapshot()); |
| 1151 | canvas->drawImage(image, SkIntToScalar(i*fW), SkIntToScalar(j*fH)); |
| 1152 | } |
| 1153 | } |
| 1154 | surfaces.unrefAll(); |
| 1155 | return ""; |
| 1156 | }); |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1157 | } |
| 1158 | |
mtklein | b7e8d69 | 2015-04-07 08:30:32 -0700 | [diff] [blame] | 1159 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 1160 | |
mtklein | b7e8d69 | 2015-04-07 08:30:32 -0700 | [diff] [blame] | 1161 | // Draw the Src into two pictures, then draw the second picture into the wrapped Sink. |
| 1162 | // This tests that any shortcuts we may take while recording that second picture are legal. |
| 1163 | Error ViaSecondPicture::draw( |
| 1164 | const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1165 | auto size = src.size(); |
| 1166 | return draw_to_canvas(fSink, bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error { |
| 1167 | SkPictureRecorder recorder; |
| 1168 | SkAutoTUnref<SkPicture> pic; |
| 1169 | for (int i = 0; i < 2; i++) { |
| 1170 | Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()), |
| 1171 | SkIntToScalar(size.height()))); |
| 1172 | if (!err.isEmpty()) { |
| 1173 | return err; |
mtklein | b7e8d69 | 2015-04-07 08:30:32 -0700 | [diff] [blame] | 1174 | } |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1175 | pic.reset(recorder.endRecordingAsPicture()); |
mtklein | b7e8d69 | 2015-04-07 08:30:32 -0700 | [diff] [blame] | 1176 | } |
mtklein | a16e69e | 2015-05-05 11:38:45 -0700 | [diff] [blame] | 1177 | canvas->drawPicture(pic); |
| 1178 | return ""; |
| 1179 | }); |
mtklein | b7e8d69 | 2015-04-07 08:30:32 -0700 | [diff] [blame] | 1180 | } |
| 1181 | |
mtklein | d31c13d | 2015-05-05 12:59:56 -0700 | [diff] [blame] | 1182 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 1183 | |
mtklein | 6fbf4b3 | 2015-05-06 11:35:40 -0700 | [diff] [blame] | 1184 | // Draw the Src twice. This can help exercise caching. |
| 1185 | Error ViaTwice::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| 1186 | return draw_to_canvas(fSink, bitmap, stream, log, src.size(), [&](SkCanvas* canvas) -> Error { |
| 1187 | for (int i = 0; i < 2; i++) { |
| 1188 | SkAutoCanvasRestore acr(canvas, true/*save now*/); |
| 1189 | canvas->clear(SK_ColorTRANSPARENT); |
| 1190 | Error err = src.draw(canvas); |
| 1191 | if (err.isEmpty()) { |
| 1192 | return err; |
| 1193 | } |
| 1194 | } |
| 1195 | return ""; |
| 1196 | }); |
| 1197 | } |
| 1198 | |
| 1199 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| 1200 | |
mtklein | d31c13d | 2015-05-05 12:59:56 -0700 | [diff] [blame] | 1201 | // This is like SkRecords::Draw, in that it plays back SkRecords ops into a Canvas. |
| 1202 | // Unlike SkRecords::Draw, it builds a single-op sub-picture out of each Draw-type op. |
| 1203 | // This is an only-slightly-exaggerated simluation of Blink's Slimming Paint pictures. |
| 1204 | struct DrawsAsSingletonPictures { |
| 1205 | SkCanvas* fCanvas; |
mtklein | d2baa90 | 2015-07-07 09:43:28 -0700 | [diff] [blame] | 1206 | const SkDrawableList& fDrawables; |
mtklein | d31c13d | 2015-05-05 12:59:56 -0700 | [diff] [blame] | 1207 | |
| 1208 | SK_CREATE_MEMBER_DETECTOR(paint); |
| 1209 | |
| 1210 | template <typename T> |
| 1211 | void draw(const T& op, SkCanvas* canvas) { |
| 1212 | // We must pass SkMatrix::I() as our initial matrix. |
| 1213 | // By default SkRecords::Draw() uses the canvas' matrix as its initial matrix, |
| 1214 | // which would have the funky effect of applying transforms over and over. |
mtklein | d2baa90 | 2015-07-07 09:43:28 -0700 | [diff] [blame] | 1215 | SkRecords::Draw d(canvas, nullptr, fDrawables.begin(), fDrawables.count(), &SkMatrix::I()); |
| 1216 | d(op); |
mtklein | d31c13d | 2015-05-05 12:59:56 -0700 | [diff] [blame] | 1217 | } |
| 1218 | |
| 1219 | // Most things that have paints are Draw-type ops. Create sub-pictures for each. |
| 1220 | template <typename T> |
| 1221 | SK_WHEN(HasMember_paint<T>, void) operator()(const T& op) { |
| 1222 | SkPictureRecorder rec; |
| 1223 | this->draw(op, rec.beginRecording(SkRect::MakeLargest())); |
| 1224 | SkAutoTUnref<SkPicture> pic(rec.endRecordingAsPicture()); |
| 1225 | fCanvas->drawPicture(pic); |
| 1226 | } |
| 1227 | |
| 1228 | // If you don't have a paint or are a SaveLayer, you're not a Draw-type op. |
| 1229 | // We cannot make subpictures out of these because they affect state. Draw them directly. |
| 1230 | template <typename T> |
| 1231 | SK_WHEN(!HasMember_paint<T>, void) operator()(const T& op) { this->draw(op, fCanvas); } |
| 1232 | void operator()(const SkRecords::SaveLayer& op) { this->draw(op, fCanvas); } |
| 1233 | }; |
| 1234 | |
mtklein | d31c13d | 2015-05-05 12:59:56 -0700 | [diff] [blame] | 1235 | // Record Src into a picture, then record it into a macro picture with a sub-picture for each draw. |
| 1236 | // Then play back that macro picture into our wrapped sink. |
| 1237 | Error ViaSingletonPictures::draw( |
| 1238 | const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| 1239 | auto size = src.size(); |
| 1240 | return draw_to_canvas(fSink, bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error { |
| 1241 | // Use low-level (Skia-private) recording APIs so we can read the SkRecord. |
| 1242 | SkRecord skr; |
| 1243 | SkRecorder recorder(&skr, size.width(), size.height()); |
| 1244 | Error err = src.draw(&recorder); |
| 1245 | if (!err.isEmpty()) { |
| 1246 | return err; |
| 1247 | } |
| 1248 | |
| 1249 | // Record our macro-picture, with each draw op as its own sub-picture. |
| 1250 | SkPictureRecorder macroRec; |
| 1251 | SkCanvas* macroCanvas = macroRec.beginRecording(SkIntToScalar(size.width()), |
| 1252 | SkIntToScalar(size.height())); |
mtklein | d2baa90 | 2015-07-07 09:43:28 -0700 | [diff] [blame] | 1253 | |
| 1254 | SkAutoTDelete<SkDrawableList> drawables(recorder.detachDrawableList()); |
| 1255 | const SkDrawableList empty; |
| 1256 | |
| 1257 | DrawsAsSingletonPictures drawsAsSingletonPictures = { |
| 1258 | macroCanvas, |
| 1259 | drawables ? *drawables : empty, |
| 1260 | }; |
mtklein | c6ad06a | 2015-08-19 09:51:00 -0700 | [diff] [blame] | 1261 | for (int i = 0; i < skr.count(); i++) { |
mtklein | d31c13d | 2015-05-05 12:59:56 -0700 | [diff] [blame] | 1262 | skr.visit<void>(i, drawsAsSingletonPictures); |
| 1263 | } |
| 1264 | SkAutoTUnref<SkPicture> macroPic(macroRec.endRecordingAsPicture()); |
| 1265 | |
| 1266 | canvas->drawPicture(macroPic); |
| 1267 | return ""; |
| 1268 | }); |
| 1269 | } |
| 1270 | |
mtklein | 748ca3b | 2015-01-15 10:56:12 -0800 | [diff] [blame] | 1271 | } // namespace DM |