| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "DMSrcSink.h" |
| #include "Resources.h" |
| #include "SkAndroidCodec.h" |
| #include "SkCodec.h" |
| #include "SkCodecImageGenerator.h" |
| #include "SkColorSpace.h" |
| #include "SkColorSpace_XYZ.h" |
| #include "SkColorSpaceXform.h" |
| #include "SkCommonFlags.h" |
| #include "SkData.h" |
| #include "SkDebugCanvas.h" |
| #include "SkDeferredCanvas.h" |
| #include "SkDocument.h" |
| #include "SkImageGenerator.h" |
| #include "SkImageGeneratorCG.h" |
| #include "SkImageGeneratorWIC.h" |
| #include "SkLiteDL.h" |
| #include "SkLiteRecorder.h" |
| #include "SkMallocPixelRef.h" |
| #include "SkMultiPictureDraw.h" |
| #include "SkNullCanvas.h" |
| #include "SkOSFile.h" |
| #include "SkOpts.h" |
| #include "SkPictureData.h" |
| #include "SkPictureRecorder.h" |
| #include "SkPipe.h" |
| #include "SkRandom.h" |
| #include "SkRecordDraw.h" |
| #include "SkRecorder.h" |
| #include "SkSVGCanvas.h" |
| #include "SkStream.h" |
| #include "SkTLogic.h" |
| #include "SkSwizzler.h" |
| #include <functional> |
| #include <cmath> |
| |
| #if defined(SK_BUILD_FOR_WIN) |
| #include "SkAutoCoInitialize.h" |
| #endif |
| |
| #if defined(SK_XML) |
| #include "SkSVGDOM.h" |
| #include "SkXMLWriter.h" |
| #endif |
| |
| DEFINE_bool(multiPage, false, "For document-type backends, render the source" |
| " into multiple pages"); |
| DEFINE_bool(RAW_threading, true, "Allow RAW decodes to run on multiple threads?"); |
| |
| using sk_gpu_test::GrContextFactory; |
| |
| namespace DM { |
| |
| GMSrc::GMSrc(skiagm::GMRegistry::Factory factory) : fFactory(factory) {} |
| |
| Error GMSrc::draw(SkCanvas* canvas) const { |
| std::unique_ptr<skiagm::GM> gm(fFactory(nullptr)); |
| canvas->concat(gm->getInitialTransform()); |
| gm->draw(canvas); |
| return ""; |
| } |
| |
| SkISize GMSrc::size() const { |
| std::unique_ptr<skiagm::GM> gm(fFactory(nullptr)); |
| return gm->getISize(); |
| } |
| |
| Name GMSrc::name() const { |
| std::unique_ptr<skiagm::GM> gm(fFactory(nullptr)); |
| return gm->getName(); |
| } |
| |
| void GMSrc::modifyGrContextOptions(GrContextOptions* options) const { |
| std::unique_ptr<skiagm::GM> gm(fFactory(nullptr)); |
| gm->modifyGrContextOptions(options); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| BRDSrc::BRDSrc(Path path, Mode mode, CodecSrc::DstColorType dstColorType, uint32_t sampleSize) |
| : fPath(path) |
| , fMode(mode) |
| , fDstColorType(dstColorType) |
| , fSampleSize(sampleSize) |
| {} |
| |
| bool BRDSrc::veto(SinkFlags flags) const { |
| // No need to test to non-raster or indirect backends. |
| return flags.type != SinkFlags::kRaster |
| || flags.approach != SinkFlags::kDirect; |
| } |
| |
| static SkBitmapRegionDecoder* create_brd(Path path) { |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(path.c_str())); |
| if (!encoded) { |
| return NULL; |
| } |
| return SkBitmapRegionDecoder::Create(encoded, SkBitmapRegionDecoder::kAndroidCodec_Strategy); |
| } |
| |
| Error BRDSrc::draw(SkCanvas* canvas) const { |
| SkColorType colorType = canvas->imageInfo().colorType(); |
| if (kRGB_565_SkColorType == colorType && |
| CodecSrc::kGetFromCanvas_DstColorType != fDstColorType) { |
| return Error::Nonfatal("Testing non-565 to 565 is uninteresting."); |
| } |
| switch (fDstColorType) { |
| case CodecSrc::kGetFromCanvas_DstColorType: |
| break; |
| case CodecSrc::kIndex8_Always_DstColorType: |
| colorType = kIndex_8_SkColorType; |
| break; |
| case CodecSrc::kGrayscale_Always_DstColorType: |
| colorType = kGray_8_SkColorType; |
| break; |
| default: |
| SkASSERT(false); |
| break; |
| } |
| |
| std::unique_ptr<SkBitmapRegionDecoder> brd(create_brd(fPath)); |
| if (nullptr == brd.get()) { |
| return Error::Nonfatal(SkStringPrintf("Could not create brd for %s.", fPath.c_str())); |
| } |
| |
| if (!brd->conversionSupported(colorType)) { |
| return Error::Nonfatal("Cannot convert to color type."); |
| } |
| |
| const uint32_t width = brd->width(); |
| const uint32_t height = brd->height(); |
| // Visually inspecting very small output images is not necessary. |
| if ((width / fSampleSize <= 10 || height / fSampleSize <= 10) && 1 != fSampleSize) { |
| return Error::Nonfatal("Scaling very small images is uninteresting."); |
| } |
| switch (fMode) { |
| case kFullImage_Mode: { |
| SkBitmap bitmap; |
| if (!brd->decodeRegion(&bitmap, nullptr, SkIRect::MakeXYWH(0, 0, width, height), |
| fSampleSize, colorType, false)) { |
| return "Cannot decode (full) region."; |
| } |
| if (colorType != bitmap.colorType()) { |
| return Error::Nonfatal("Cannot convert to color type."); |
| } |
| canvas->drawBitmap(bitmap, 0, 0); |
| return ""; |
| } |
| case kDivisor_Mode: { |
| const uint32_t divisor = 2; |
| if (width < divisor || height < divisor) { |
| return Error::Nonfatal("Divisor is larger than image dimension."); |
| } |
| |
| // Use a border to test subsets that extend outside the image. |
| // We will not allow the border to be larger than the image dimensions. Allowing |
| // these large borders causes off by one errors that indicate a problem with the |
| // test suite, not a problem with the implementation. |
| const uint32_t maxBorder = SkTMin(width, height) / (fSampleSize * divisor); |
| const uint32_t scaledBorder = SkTMin(5u, maxBorder); |
| const uint32_t unscaledBorder = scaledBorder * fSampleSize; |
| |
| // We may need to clear the canvas to avoid uninitialized memory. |
| // Assume we are scaling a 780x780 image with sampleSize = 8. |
| // The output image should be 97x97. |
| // Each subset will be 390x390. |
| // Each scaled subset be 48x48. |
| // Four scaled subsets will only fill a 96x96 image. |
| // The bottom row and last column will not be touched. |
| // This is an unfortunate result of our rounding rules when scaling. |
| // Maybe we need to consider testing scaled subsets without trying to |
| // combine them to match the full scaled image? Or maybe this is the |
| // best we can do? |
| canvas->clear(0); |
| |
| for (uint32_t x = 0; x < divisor; x++) { |
| for (uint32_t y = 0; y < divisor; y++) { |
| // Calculate the subset dimensions |
| uint32_t subsetWidth = width / divisor; |
| uint32_t subsetHeight = height / divisor; |
| const int left = x * subsetWidth; |
| const int top = y * subsetHeight; |
| |
| // Increase the size of the last subset in each row or column, when the |
| // divisor does not divide evenly into the image dimensions |
| subsetWidth += (x + 1 == divisor) ? (width % divisor) : 0; |
| subsetHeight += (y + 1 == divisor) ? (height % divisor) : 0; |
| |
| // Increase the size of the subset in order to have a border on each side |
| const int decodeLeft = left - unscaledBorder; |
| const int decodeTop = top - unscaledBorder; |
| const uint32_t decodeWidth = subsetWidth + unscaledBorder * 2; |
| const uint32_t decodeHeight = subsetHeight + unscaledBorder * 2; |
| SkBitmap bitmap; |
| if (!brd->decodeRegion(&bitmap, nullptr, SkIRect::MakeXYWH(decodeLeft, |
| decodeTop, decodeWidth, decodeHeight), fSampleSize, colorType, false)) { |
| return "Cannot decode region."; |
| } |
| if (colorType != bitmap.colorType()) { |
| return Error::Nonfatal("Cannot convert to color type."); |
| } |
| |
| canvas->drawBitmapRect(bitmap, |
| SkRect::MakeXYWH((SkScalar) scaledBorder, (SkScalar) scaledBorder, |
| (SkScalar) (subsetWidth / fSampleSize), |
| (SkScalar) (subsetHeight / fSampleSize)), |
| SkRect::MakeXYWH((SkScalar) (left / fSampleSize), |
| (SkScalar) (top / fSampleSize), |
| (SkScalar) (subsetWidth / fSampleSize), |
| (SkScalar) (subsetHeight / fSampleSize)), |
| nullptr); |
| } |
| } |
| return ""; |
| } |
| default: |
| SkASSERT(false); |
| return "Error: Should not be reached."; |
| } |
| } |
| |
| SkISize BRDSrc::size() const { |
| std::unique_ptr<SkBitmapRegionDecoder> brd(create_brd(fPath)); |
| if (brd) { |
| return SkISize::Make(SkTMax(1, brd->width() / (int) fSampleSize), |
| SkTMax(1, brd->height() / (int) fSampleSize)); |
| } |
| return SkISize::Make(0, 0); |
| } |
| |
| static SkString get_scaled_name(const Path& path, float scale) { |
| return SkStringPrintf("%s_%.3f", SkOSPath::Basename(path.c_str()).c_str(), scale); |
| } |
| |
| Name BRDSrc::name() const { |
| // We will replicate the names used by CodecSrc so that images can |
| // be compared in Gold. |
| if (1 == fSampleSize) { |
| return SkOSPath::Basename(fPath.c_str()); |
| } |
| return get_scaled_name(fPath, 1.0f / (float) fSampleSize); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| static bool serial_from_path_name(const SkString& path) { |
| if (!FLAGS_RAW_threading) { |
| static const char* const exts[] = { |
| "arw", "cr2", "dng", "nef", "nrw", "orf", "raf", "rw2", "pef", "srw", |
| "ARW", "CR2", "DNG", "NEF", "NRW", "ORF", "RAF", "RW2", "PEF", "SRW", |
| }; |
| const char* actualExt = strrchr(path.c_str(), '.'); |
| if (actualExt) { |
| actualExt++; |
| for (auto* ext : exts) { |
| if (0 == strcmp(ext, actualExt)) { |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| CodecSrc::CodecSrc(Path path, Mode mode, DstColorType dstColorType, SkAlphaType dstAlphaType, |
| float scale) |
| : fPath(path) |
| , fMode(mode) |
| , fDstColorType(dstColorType) |
| , fDstAlphaType(dstAlphaType) |
| , fScale(scale) |
| , fRunSerially(serial_from_path_name(path)) |
| {} |
| |
| bool CodecSrc::veto(SinkFlags flags) const { |
| // Test to direct raster backends (8888 and 565). |
| return flags.type != SinkFlags::kRaster || flags.approach != SinkFlags::kDirect; |
| } |
| |
| // Allows us to test decodes to non-native 8888. |
| static void swap_rb_if_necessary(SkBitmap& bitmap, CodecSrc::DstColorType dstColorType) { |
| if (CodecSrc::kNonNative8888_Always_DstColorType != dstColorType) { |
| return; |
| } |
| |
| for (int y = 0; y < bitmap.height(); y++) { |
| uint32_t* row = (uint32_t*) bitmap.getAddr(0, y); |
| SkOpts::RGBA_to_BGRA(row, row, bitmap.width()); |
| } |
| } |
| |
| // FIXME: Currently we cannot draw unpremultiplied sources. skbug.com/3338 and skbug.com/3339. |
| // This allows us to still test unpremultiplied decodes. |
| static void premultiply_if_necessary(SkBitmap& bitmap) { |
| if (kUnpremul_SkAlphaType != bitmap.alphaType()) { |
| return; |
| } |
| |
| switch (bitmap.colorType()) { |
| case kN32_SkColorType: |
| for (int y = 0; y < bitmap.height(); y++) { |
| uint32_t* row = (uint32_t*) bitmap.getAddr(0, y); |
| SkOpts::RGBA_to_rgbA(row, row, bitmap.width()); |
| } |
| break; |
| case kIndex_8_SkColorType: { |
| SkColorTable* colorTable = bitmap.getColorTable(); |
| SkPMColor* colorPtr = const_cast<SkPMColor*>(colorTable->readColors()); |
| SkOpts::RGBA_to_rgbA(colorPtr, colorPtr, colorTable->count()); |
| break; |
| } |
| default: |
| // No need to premultiply kGray or k565 outputs. |
| break; |
| } |
| |
| // In the kIndex_8 case, the canvas won't even try to draw unless we mark the |
| // bitmap as kPremul. |
| bitmap.setAlphaType(kPremul_SkAlphaType); |
| } |
| |
| static bool get_decode_info(SkImageInfo* decodeInfo, SkColorType canvasColorType, |
| CodecSrc::DstColorType dstColorType, SkAlphaType dstAlphaType) { |
| switch (dstColorType) { |
| case CodecSrc::kIndex8_Always_DstColorType: |
| if (kRGB_565_SkColorType == canvasColorType) { |
| return false; |
| } |
| *decodeInfo = decodeInfo->makeColorType(kIndex_8_SkColorType); |
| break; |
| case CodecSrc::kGrayscale_Always_DstColorType: |
| if (kRGB_565_SkColorType == canvasColorType) { |
| return false; |
| } |
| *decodeInfo = decodeInfo->makeColorType(kGray_8_SkColorType); |
| break; |
| case CodecSrc::kNonNative8888_Always_DstColorType: |
| if (kRGB_565_SkColorType == canvasColorType) { |
| return false; |
| } |
| #ifdef SK_PMCOLOR_IS_RGBA |
| *decodeInfo = decodeInfo->makeColorType(kBGRA_8888_SkColorType); |
| #else |
| *decodeInfo = decodeInfo->makeColorType(kRGBA_8888_SkColorType); |
| #endif |
| break; |
| default: |
| if (kRGB_565_SkColorType == canvasColorType && |
| kOpaque_SkAlphaType != decodeInfo->alphaType()) { |
| return false; |
| } |
| *decodeInfo = decodeInfo->makeColorType(canvasColorType); |
| break; |
| } |
| |
| *decodeInfo = decodeInfo->makeAlphaType(dstAlphaType); |
| return true; |
| } |
| |
| static void draw_to_canvas(SkCanvas* canvas, const SkImageInfo& info, void* pixels, size_t rowBytes, |
| SkPMColor* colorPtr, int colorCount, CodecSrc::DstColorType dstColorType, |
| SkScalar left = 0, SkScalar top = 0) { |
| sk_sp<SkColorTable> colorTable(new SkColorTable(colorPtr, colorCount)); |
| SkBitmap bitmap; |
| bitmap.installPixels(info, pixels, rowBytes, colorTable.get(), nullptr, nullptr); |
| premultiply_if_necessary(bitmap); |
| swap_rb_if_necessary(bitmap, dstColorType); |
| canvas->drawBitmap(bitmap, left, top); |
| } |
| |
| Error CodecSrc::draw(SkCanvas* canvas) const { |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str())); |
| if (!encoded) { |
| return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| } |
| |
| std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(encoded)); |
| if (nullptr == codec.get()) { |
| return SkStringPrintf("Couldn't create codec for %s.", fPath.c_str()); |
| } |
| |
| SkImageInfo decodeInfo = codec->getInfo(); |
| if (!get_decode_info(&decodeInfo, canvas->imageInfo().colorType(), fDstColorType, |
| fDstAlphaType)) { |
| return Error::Nonfatal("Testing non-565 to 565 is uninteresting."); |
| } |
| |
| // Try to scale the image if it is desired |
| SkISize size = codec->getScaledDimensions(fScale); |
| if (size == decodeInfo.dimensions() && 1.0f != fScale) { |
| return Error::Nonfatal("Test without scaling is uninteresting."); |
| } |
| |
| // Visually inspecting very small output images is not necessary. We will |
| // cover these cases in unit testing. |
| if ((size.width() <= 10 || size.height() <= 10) && 1.0f != fScale) { |
| return Error::Nonfatal("Scaling very small images is uninteresting."); |
| } |
| decodeInfo = decodeInfo.makeWH(size.width(), size.height()); |
| |
| const int bpp = SkColorTypeBytesPerPixel(decodeInfo.colorType()); |
| const size_t rowBytes = size.width() * bpp; |
| const size_t safeSize = decodeInfo.getSafeSize(rowBytes); |
| SkAutoMalloc pixels(safeSize); |
| SkPMColor colorPtr[256]; |
| int colorCount = 256; |
| |
| SkCodec::Options options; |
| if (kCodecZeroInit_Mode == fMode) { |
| memset(pixels.get(), 0, size.height() * rowBytes); |
| options.fZeroInitialized = SkCodec::kYes_ZeroInitialized; |
| } |
| |
| SkImageInfo bitmapInfo = decodeInfo; |
| if (kRGBA_8888_SkColorType == decodeInfo.colorType() || |
| kBGRA_8888_SkColorType == decodeInfo.colorType()) { |
| bitmapInfo = bitmapInfo.makeColorType(kN32_SkColorType); |
| } |
| |
| switch (fMode) { |
| case kAnimated_Mode: { |
| std::vector<SkCodec::FrameInfo> frameInfos = codec->getFrameInfo(); |
| if (frameInfos.size() <= 1) { |
| return SkStringPrintf("%s is not an animated image.", fPath.c_str()); |
| } |
| |
| // As in CodecSrc::size(), compute a roughly square grid to draw the frames |
| // into. "factor" is the number of frames to draw on one row. There will be |
| // up to "factor" rows as well. |
| const float root = sqrt((float) frameInfos.size()); |
| const int factor = sk_float_ceil2int(root); |
| |
| // Used to cache a frame that future frames will depend on. |
| SkAutoMalloc priorFramePixels; |
| size_t cachedFrame = SkCodec::kNone; |
| for (size_t i = 0; i < frameInfos.size(); i++) { |
| options.fFrameIndex = i; |
| // Check for a prior frame |
| const size_t reqFrame = frameInfos[i].fRequiredFrame; |
| if (reqFrame != SkCodec::kNone && reqFrame == cachedFrame |
| && priorFramePixels.get()) { |
| // Copy into pixels |
| memcpy(pixels.get(), priorFramePixels.get(), safeSize); |
| options.fHasPriorFrame = true; |
| } else { |
| options.fHasPriorFrame = false; |
| } |
| const SkCodec::Result result = codec->getPixels(decodeInfo, pixels.get(), |
| rowBytes, &options, |
| colorPtr, &colorCount); |
| switch (result) { |
| case SkCodec::kSuccess: |
| case SkCodec::kIncompleteInput: { |
| SkAutoCanvasRestore acr(canvas, true); |
| const int xTranslate = (i % factor) * decodeInfo.width(); |
| const int yTranslate = (i / factor) * decodeInfo.height(); |
| canvas->translate(SkIntToScalar(xTranslate), SkIntToScalar(yTranslate)); |
| draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, |
| colorPtr, colorCount, fDstColorType); |
| if (result == SkCodec::kIncompleteInput) { |
| return ""; |
| } |
| break; |
| } |
| case SkCodec::kInvalidConversion: |
| if (i > 0 && (decodeInfo.colorType() == kRGB_565_SkColorType |
| || decodeInfo.colorType() == kIndex_8_SkColorType)) { |
| return Error::Nonfatal(SkStringPrintf( |
| "Cannot decode frame %i to 565/Index8 (%s).", i, fPath.c_str())); |
| } |
| // Fall through. |
| default: |
| return SkStringPrintf("Couldn't getPixels for frame %i in %s.", |
| i, fPath.c_str()); |
| } |
| |
| // If a future frame depends on this one, store it in priorFrame. |
| // (Note that if i+1 does *not* depend on i, then no future frame can.) |
| if (i+1 < frameInfos.size() && frameInfos[i+1].fRequiredFrame == i) { |
| memcpy(priorFramePixels.reset(safeSize), pixels.get(), safeSize); |
| cachedFrame = i; |
| } |
| } |
| break; |
| } |
| case kCodecZeroInit_Mode: |
| case kCodec_Mode: { |
| switch (codec->getPixels(decodeInfo, pixels.get(), rowBytes, &options, |
| colorPtr, &colorCount)) { |
| case SkCodec::kSuccess: |
| // We consider incomplete to be valid, since we should still decode what is |
| // available. |
| case SkCodec::kIncompleteInput: |
| break; |
| default: |
| // Everything else is considered a failure. |
| return SkStringPrintf("Couldn't getPixels %s.", fPath.c_str()); |
| } |
| |
| draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, colorPtr, colorCount, |
| fDstColorType); |
| break; |
| } |
| case kScanline_Mode: { |
| void* dst = pixels.get(); |
| uint32_t height = decodeInfo.height(); |
| const bool useIncremental = [this]() { |
| auto exts = { "png", "PNG", "gif", "GIF" }; |
| for (auto ext : exts) { |
| if (fPath.endsWith(ext)) { |
| return true; |
| } |
| } |
| return false; |
| }(); |
| // ico may use the old scanline method or the new one, depending on whether it |
| // internally holds a bmp or a png. |
| const bool ico = fPath.endsWith("ico"); |
| bool useOldScanlineMethod = !useIncremental && !ico; |
| if (useIncremental || ico) { |
| if (SkCodec::kSuccess == codec->startIncrementalDecode(decodeInfo, dst, |
| rowBytes, nullptr, colorPtr, &colorCount)) { |
| int rowsDecoded; |
| if (SkCodec::kIncompleteInput == codec->incrementalDecode(&rowsDecoded)) { |
| codec->fillIncompleteImage(decodeInfo, dst, rowBytes, |
| SkCodec::kNo_ZeroInitialized, height, |
| rowsDecoded); |
| } |
| } else { |
| if (useIncremental) { |
| // Error: These should support incremental decode. |
| return "Could not start incremental decode"; |
| } |
| // Otherwise, this is an ICO. Since incremental failed, it must contain a BMP, |
| // which should work via startScanlineDecode |
| useOldScanlineMethod = true; |
| } |
| } |
| |
| if (useOldScanlineMethod) { |
| if (SkCodec::kSuccess != codec->startScanlineDecode(decodeInfo, NULL, colorPtr, |
| &colorCount)) { |
| return "Could not start scanline decoder"; |
| } |
| |
| switch (codec->getScanlineOrder()) { |
| case SkCodec::kTopDown_SkScanlineOrder: |
| case SkCodec::kBottomUp_SkScanlineOrder: |
| // We do not need to check the return value. On an incomplete |
| // image, memory will be filled with a default value. |
| codec->getScanlines(dst, height, rowBytes); |
| break; |
| } |
| } |
| |
| draw_to_canvas(canvas, bitmapInfo, dst, rowBytes, colorPtr, colorCount, fDstColorType); |
| break; |
| } |
| case kStripe_Mode: { |
| const int height = decodeInfo.height(); |
| // This value is chosen arbitrarily. We exercise more cases by choosing a value that |
| // does not align with image blocks. |
| const int stripeHeight = 37; |
| const int numStripes = (height + stripeHeight - 1) / stripeHeight; |
| void* dst = pixels.get(); |
| |
| // Decode odd stripes |
| if (SkCodec::kSuccess != codec->startScanlineDecode(decodeInfo, nullptr, colorPtr, |
| &colorCount)) { |
| return "Could not start scanline decoder"; |
| } |
| |
| // This mode was designed to test the new skip scanlines API in libjpeg-turbo. |
| // Jpegs have kTopDown_SkScanlineOrder, and at this time, it is not interesting |
| // to run this test for image types that do not have this scanline ordering. |
| // We only run this on Jpeg, which is always kTopDown. |
| SkASSERT(SkCodec::kTopDown_SkScanlineOrder == codec->getScanlineOrder()); |
| |
| for (int i = 0; i < numStripes; i += 2) { |
| // Skip a stripe |
| const int linesToSkip = SkTMin(stripeHeight, height - i * stripeHeight); |
| codec->skipScanlines(linesToSkip); |
| |
| // Read a stripe |
| const int startY = (i + 1) * stripeHeight; |
| const int linesToRead = SkTMin(stripeHeight, height - startY); |
| if (linesToRead > 0) { |
| codec->getScanlines(SkTAddOffset<void>(dst, rowBytes * startY), linesToRead, |
| rowBytes); |
| } |
| } |
| |
| // Decode even stripes |
| const SkCodec::Result startResult = codec->startScanlineDecode(decodeInfo, nullptr, |
| colorPtr, &colorCount); |
| if (SkCodec::kSuccess != startResult) { |
| return "Failed to restart scanline decoder with same parameters."; |
| } |
| for (int i = 0; i < numStripes; i += 2) { |
| // Read a stripe |
| const int startY = i * stripeHeight; |
| const int linesToRead = SkTMin(stripeHeight, height - startY); |
| codec->getScanlines(SkTAddOffset<void>(dst, rowBytes * startY), linesToRead, |
| rowBytes); |
| |
| // Skip a stripe |
| const int linesToSkip = SkTMin(stripeHeight, height - (i + 1) * stripeHeight); |
| if (linesToSkip > 0) { |
| codec->skipScanlines(linesToSkip); |
| } |
| } |
| |
| draw_to_canvas(canvas, bitmapInfo, dst, rowBytes, colorPtr, colorCount, fDstColorType); |
| break; |
| } |
| case kCroppedScanline_Mode: { |
| const int width = decodeInfo.width(); |
| const int height = decodeInfo.height(); |
| // This value is chosen because, as we move across the image, it will sometimes |
| // align with the jpeg block sizes and it will sometimes not. This allows us |
| // to test interestingly different code paths in the implementation. |
| const int tileSize = 36; |
| |
| SkCodec::Options opts; |
| SkIRect subset; |
| for (int x = 0; x < width; x += tileSize) { |
| subset = SkIRect::MakeXYWH(x, 0, SkTMin(tileSize, width - x), height); |
| opts.fSubset = ⊂ |
| if (SkCodec::kSuccess != codec->startScanlineDecode(decodeInfo, &opts, |
| colorPtr, &colorCount)) { |
| return "Could not start scanline decoder."; |
| } |
| |
| codec->getScanlines(SkTAddOffset<void>(pixels.get(), x * bpp), height, rowBytes); |
| } |
| |
| draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, colorPtr, colorCount, |
| fDstColorType); |
| break; |
| } |
| case kSubset_Mode: { |
| // Arbitrarily choose a divisor. |
| int divisor = 2; |
| // Total width/height of the image. |
| const int W = codec->getInfo().width(); |
| const int H = codec->getInfo().height(); |
| if (divisor > W || divisor > H) { |
| return Error::Nonfatal(SkStringPrintf("Cannot codec subset: divisor %d is too big " |
| "for %s with dimensions (%d x %d)", divisor, |
| fPath.c_str(), W, H)); |
| } |
| // subset dimensions |
| // SkWebpCodec, the only one that supports subsets, requires even top/left boundaries. |
| const int w = SkAlign2(W / divisor); |
| const int h = SkAlign2(H / divisor); |
| SkIRect subset; |
| SkCodec::Options opts; |
| opts.fSubset = ⊂ |
| SkBitmap subsetBm; |
| // We will reuse pixel memory from bitmap. |
| void* dst = pixels.get(); |
| // Keep track of left and top (for drawing subsetBm into canvas). We could use |
| // fScale * x and fScale * y, but we want integers such that the next subset will start |
| // where the last one ended. So we'll add decodeInfo.width() and height(). |
| int left = 0; |
| for (int x = 0; x < W; x += w) { |
| int top = 0; |
| for (int y = 0; y < H; y+= h) { |
| // Do not make the subset go off the edge of the image. |
| const int preScaleW = SkTMin(w, W - x); |
| const int preScaleH = SkTMin(h, H - y); |
| subset.setXYWH(x, y, preScaleW, preScaleH); |
| // And scale |
| // FIXME: Should we have a version of getScaledDimensions that takes a subset |
| // into account? |
| const int scaledW = SkTMax(1, SkScalarRoundToInt(preScaleW * fScale)); |
| const int scaledH = SkTMax(1, SkScalarRoundToInt(preScaleH * fScale)); |
| decodeInfo = decodeInfo.makeWH(scaledW, scaledH); |
| SkImageInfo subsetBitmapInfo = bitmapInfo.makeWH(scaledW, scaledH); |
| size_t subsetRowBytes = subsetBitmapInfo.minRowBytes(); |
| const SkCodec::Result result = codec->getPixels(decodeInfo, dst, subsetRowBytes, |
| &opts, colorPtr, &colorCount); |
| switch (result) { |
| case SkCodec::kSuccess: |
| case SkCodec::kIncompleteInput: |
| break; |
| default: |
| return SkStringPrintf("subset codec failed to decode (%d, %d, %d, %d) " |
| "from %s with dimensions (%d x %d)\t error %d", |
| x, y, decodeInfo.width(), decodeInfo.height(), |
| fPath.c_str(), W, H, result); |
| } |
| draw_to_canvas(canvas, subsetBitmapInfo, dst, subsetRowBytes, colorPtr, |
| colorCount, fDstColorType, SkIntToScalar(left), |
| SkIntToScalar(top)); |
| |
| // translate by the scaled height. |
| top += decodeInfo.height(); |
| } |
| // translate by the scaled width. |
| left += decodeInfo.width(); |
| } |
| return ""; |
| } |
| default: |
| SkASSERT(false); |
| return "Invalid fMode"; |
| } |
| return ""; |
| } |
| |
| SkISize CodecSrc::size() const { |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str())); |
| std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(encoded)); |
| if (nullptr == codec) { |
| return SkISize::Make(0, 0); |
| } |
| |
| auto imageSize = codec->getScaledDimensions(fScale); |
| if (fMode == kAnimated_Mode) { |
| // We'll draw one of each frame, so make it big enough to hold them all |
| // in a grid. The grid will be roughly square, with "factor" frames per |
| // row and up to "factor" rows. |
| const size_t count = codec->getFrameInfo().size(); |
| const float root = sqrt((float) count); |
| const int factor = sk_float_ceil2int(root); |
| imageSize.fWidth = imageSize.fWidth * factor; |
| imageSize.fHeight = imageSize.fHeight * sk_float_ceil2int((float) count / (float) factor); |
| } |
| return imageSize; |
| } |
| |
| Name CodecSrc::name() const { |
| if (1.0f == fScale) { |
| Name name = SkOSPath::Basename(fPath.c_str()); |
| if (fMode == kAnimated_Mode) { |
| name.append("_animated"); |
| } |
| return name; |
| } |
| SkASSERT(fMode != kAnimated_Mode); |
| return get_scaled_name(fPath, fScale); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| AndroidCodecSrc::AndroidCodecSrc(Path path, CodecSrc::DstColorType dstColorType, |
| SkAlphaType dstAlphaType, int sampleSize) |
| : fPath(path) |
| , fDstColorType(dstColorType) |
| , fDstAlphaType(dstAlphaType) |
| , fSampleSize(sampleSize) |
| , fRunSerially(serial_from_path_name(path)) |
| {} |
| |
| bool AndroidCodecSrc::veto(SinkFlags flags) const { |
| // No need to test decoding to non-raster or indirect backend. |
| return flags.type != SinkFlags::kRaster |
| || flags.approach != SinkFlags::kDirect; |
| } |
| |
| Error AndroidCodecSrc::draw(SkCanvas* canvas) const { |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str())); |
| if (!encoded) { |
| return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| } |
| std::unique_ptr<SkAndroidCodec> codec(SkAndroidCodec::NewFromData(encoded)); |
| if (nullptr == codec.get()) { |
| return SkStringPrintf("Couldn't create android codec for %s.", fPath.c_str()); |
| } |
| |
| SkImageInfo decodeInfo = codec->getInfo(); |
| if (!get_decode_info(&decodeInfo, canvas->imageInfo().colorType(), fDstColorType, |
| fDstAlphaType)) { |
| return Error::Nonfatal("Testing non-565 to 565 is uninteresting."); |
| } |
| |
| // Scale the image if it is desired. |
| SkISize size = codec->getSampledDimensions(fSampleSize); |
| |
| // Visually inspecting very small output images is not necessary. We will |
| // cover these cases in unit testing. |
| if ((size.width() <= 10 || size.height() <= 10) && 1 != fSampleSize) { |
| return Error::Nonfatal("Scaling very small images is uninteresting."); |
| } |
| decodeInfo = decodeInfo.makeWH(size.width(), size.height()); |
| |
| int bpp = SkColorTypeBytesPerPixel(decodeInfo.colorType()); |
| size_t rowBytes = size.width() * bpp; |
| SkAutoMalloc pixels(size.height() * rowBytes); |
| SkPMColor colorPtr[256]; |
| int colorCount = 256; |
| |
| SkBitmap bitmap; |
| SkImageInfo bitmapInfo = decodeInfo; |
| if (kRGBA_8888_SkColorType == decodeInfo.colorType() || |
| kBGRA_8888_SkColorType == decodeInfo.colorType()) { |
| bitmapInfo = bitmapInfo.makeColorType(kN32_SkColorType); |
| } |
| |
| // Create options for the codec. |
| SkAndroidCodec::AndroidOptions options; |
| options.fColorPtr = colorPtr; |
| options.fColorCount = &colorCount; |
| options.fSampleSize = fSampleSize; |
| |
| switch (codec->getAndroidPixels(decodeInfo, pixels.get(), rowBytes, &options)) { |
| case SkCodec::kSuccess: |
| case SkCodec::kIncompleteInput: |
| break; |
| default: |
| return SkStringPrintf("Couldn't getPixels %s.", fPath.c_str()); |
| } |
| draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, colorPtr, colorCount, fDstColorType); |
| return ""; |
| } |
| |
| SkISize AndroidCodecSrc::size() const { |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str())); |
| std::unique_ptr<SkAndroidCodec> codec(SkAndroidCodec::NewFromData(encoded)); |
| if (nullptr == codec) { |
| return SkISize::Make(0, 0); |
| } |
| return codec->getSampledDimensions(fSampleSize); |
| } |
| |
| Name AndroidCodecSrc::name() const { |
| // We will replicate the names used by CodecSrc so that images can |
| // be compared in Gold. |
| if (1 == fSampleSize) { |
| return SkOSPath::Basename(fPath.c_str()); |
| } |
| return get_scaled_name(fPath, 1.0f / (float) fSampleSize); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| ImageGenSrc::ImageGenSrc(Path path, Mode mode, SkAlphaType alphaType, bool isGpu) |
| : fPath(path) |
| , fMode(mode) |
| , fDstAlphaType(alphaType) |
| , fIsGpu(isGpu) |
| , fRunSerially(serial_from_path_name(path)) |
| {} |
| |
| bool ImageGenSrc::veto(SinkFlags flags) const { |
| if (fIsGpu) { |
| return flags.type != SinkFlags::kGPU || flags.approach != SinkFlags::kDirect; |
| } |
| |
| return flags.type != SinkFlags::kRaster || flags.approach != SinkFlags::kDirect; |
| } |
| |
| Error ImageGenSrc::draw(SkCanvas* canvas) const { |
| if (kRGB_565_SkColorType == canvas->imageInfo().colorType()) { |
| return Error::Nonfatal("Uninteresting to test image generator to 565."); |
| } |
| |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str())); |
| if (!encoded) { |
| return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| } |
| |
| #if defined(SK_BUILD_FOR_WIN) |
| // Initialize COM in order to test with WIC. |
| SkAutoCoInitialize com; |
| if (!com.succeeded()) { |
| return "Could not initialize COM."; |
| } |
| #endif |
| |
| std::unique_ptr<SkImageGenerator> gen(nullptr); |
| switch (fMode) { |
| case kCodec_Mode: |
| gen.reset(SkCodecImageGenerator::NewFromEncodedCodec(encoded.get())); |
| if (!gen) { |
| return "Could not create codec image generator."; |
| } |
| break; |
| case kPlatform_Mode: { |
| #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS) |
| gen.reset(SkImageGeneratorCG::NewFromEncodedCG(encoded.get())); |
| #elif defined(SK_BUILD_FOR_WIN) |
| gen.reset(SkImageGeneratorWIC::NewFromEncodedWIC(encoded.get())); |
| #endif |
| |
| if (!gen) { |
| return "Could not create platform image generator."; |
| } |
| break; |
| } |
| default: |
| SkASSERT(false); |
| return "Invalid image generator mode"; |
| } |
| |
| // Test deferred decoding path on GPU |
| if (fIsGpu) { |
| sk_sp<SkImage> image(SkImage::MakeFromGenerator(gen.release(), nullptr)); |
| if (!image) { |
| return "Could not create image from codec image generator."; |
| } |
| canvas->drawImage(image, 0, 0); |
| return ""; |
| } |
| |
| // Test various color and alpha types on CPU |
| SkImageInfo decodeInfo = gen->getInfo().makeAlphaType(fDstAlphaType); |
| |
| int bpp = SkColorTypeBytesPerPixel(decodeInfo.colorType()); |
| size_t rowBytes = decodeInfo.width() * bpp; |
| SkAutoMalloc pixels(decodeInfo.height() * rowBytes); |
| SkPMColor colorPtr[256]; |
| int colorCount = 256; |
| |
| if (!gen->getPixels(decodeInfo, pixels.get(), rowBytes, colorPtr, &colorCount)) { |
| return SkStringPrintf("Image generator could not getPixels() for %s\n", fPath.c_str()); |
| } |
| |
| draw_to_canvas(canvas, decodeInfo, pixels.get(), rowBytes, colorPtr, colorCount, |
| CodecSrc::kGetFromCanvas_DstColorType); |
| return ""; |
| } |
| |
| SkISize ImageGenSrc::size() const { |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str())); |
| std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(encoded)); |
| if (nullptr == codec) { |
| return SkISize::Make(0, 0); |
| } |
| return codec->getInfo().dimensions(); |
| } |
| |
| Name ImageGenSrc::name() const { |
| return SkOSPath::Basename(fPath.c_str()); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| ColorCodecSrc::ColorCodecSrc(Path path, Mode mode, SkColorType colorType) |
| : fPath(path) |
| , fMode(mode) |
| , fColorType(colorType) |
| {} |
| |
| bool ColorCodecSrc::veto(SinkFlags flags) const { |
| // Test to direct raster backends (8888 and 565). |
| return flags.type != SinkFlags::kRaster || flags.approach != SinkFlags::kDirect; |
| } |
| |
| Error ColorCodecSrc::draw(SkCanvas* canvas) const { |
| if (kRGB_565_SkColorType == canvas->imageInfo().colorType()) { |
| return Error::Nonfatal("No need to test color correction to 565 backend."); |
| } |
| |
| bool runInLegacyMode = kBaseline_Mode == fMode; |
| if (runInLegacyMode && canvas->imageInfo().colorSpace()) { |
| return Error::Nonfatal("Skipping tests that are only interesting in legacy mode."); |
| } else if (!runInLegacyMode && !canvas->imageInfo().colorSpace()) { |
| return Error::Nonfatal("Skipping tests that are only interesting in srgb mode."); |
| } |
| |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str())); |
| if (!encoded) { |
| return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| } |
| |
| std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(encoded)); |
| if (nullptr == codec.get()) { |
| return SkStringPrintf("Couldn't create codec for %s.", fPath.c_str()); |
| } |
| |
| // Load the dst ICC profile. This particular dst is fairly similar to Adobe RGB. |
| sk_sp<SkData> dstData = SkData::MakeFromFileName( |
| GetResourcePath("icc_profiles/HP_ZR30w.icc").c_str()); |
| if (!dstData) { |
| return "Cannot read monitor profile. Is the resource path set correctly?"; |
| } |
| |
| sk_sp<SkColorSpace> dstSpace = nullptr; |
| if (kDst_sRGB_Mode == fMode) { |
| dstSpace = SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named); |
| } else if (kDst_HPZR30w_Mode == fMode) { |
| dstSpace = SkColorSpace::MakeICC(dstData->data(), dstData->size()); |
| } |
| |
| SkImageInfo decodeInfo = codec->getInfo().makeColorType(fColorType).makeColorSpace(dstSpace); |
| if (kUnpremul_SkAlphaType == decodeInfo.alphaType()) { |
| decodeInfo = decodeInfo.makeAlphaType(kPremul_SkAlphaType); |
| } |
| if (kRGBA_F16_SkColorType == fColorType) { |
| SkASSERT(SkColorSpace_Base::Type::kXYZ == as_CSB(decodeInfo.colorSpace())->type()); |
| SkColorSpace_XYZ* csXYZ = static_cast<SkColorSpace_XYZ*>(decodeInfo.colorSpace()); |
| decodeInfo = decodeInfo.makeColorSpace(csXYZ->makeLinearGamma()); |
| } |
| |
| SkImageInfo bitmapInfo = decodeInfo; |
| if (kRGBA_8888_SkColorType == decodeInfo.colorType() || |
| kBGRA_8888_SkColorType == decodeInfo.colorType()) |
| { |
| bitmapInfo = bitmapInfo.makeColorType(kN32_SkColorType); |
| } |
| |
| SkBitmap bitmap; |
| if (!bitmap.tryAllocPixels(bitmapInfo)) { |
| return SkStringPrintf("Image(%s) is too large (%d x %d)", fPath.c_str(), |
| bitmapInfo.width(), bitmapInfo.height()); |
| } |
| |
| size_t rowBytes = bitmap.rowBytes(); |
| SkCodec::Result r = codec->getPixels(decodeInfo, bitmap.getPixels(), rowBytes); |
| if (SkCodec::kSuccess != r && SkCodec::kIncompleteInput != r) { |
| // FIXME (raftias): |
| // This should be a fatal error. We need to add support for |
| // A2B images in SkColorSpaceXform. |
| return Error::Nonfatal(SkStringPrintf("Couldn't getPixels %s. Error code %d", |
| fPath.c_str(), r)); |
| } |
| |
| switch (fMode) { |
| case kBaseline_Mode: |
| case kDst_sRGB_Mode: |
| case kDst_HPZR30w_Mode: |
| canvas->drawBitmap(bitmap, 0, 0); |
| break; |
| default: |
| SkASSERT(false); |
| return "Invalid fMode"; |
| } |
| return ""; |
| } |
| |
| SkISize ColorCodecSrc::size() const { |
| sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str())); |
| std::unique_ptr<SkCodec> codec(SkCodec::NewFromData(encoded)); |
| if (nullptr == codec) { |
| return SkISize::Make(0, 0); |
| } |
| return SkISize::Make(codec->getInfo().width(), codec->getInfo().height()); |
| } |
| |
| Name ColorCodecSrc::name() const { |
| return SkOSPath::Basename(fPath.c_str()); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| static const SkRect kSKPViewport = {0,0, 1000,1000}; |
| |
| SKPSrc::SKPSrc(Path path) : fPath(path) {} |
| |
| Error SKPSrc::draw(SkCanvas* canvas) const { |
| std::unique_ptr<SkStream> stream = SkStream::MakeFromFile(fPath.c_str()); |
| if (!stream) { |
| return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| } |
| sk_sp<SkPicture> pic(SkPicture::MakeFromStream(stream.get())); |
| if (!pic) { |
| return SkStringPrintf("Couldn't decode %s as a picture.", fPath.c_str()); |
| } |
| stream = nullptr; // Might as well drop this when we're done with it. |
| |
| canvas->clipRect(kSKPViewport); |
| canvas->drawPicture(pic); |
| return ""; |
| } |
| |
| SkISize SKPSrc::size() const { |
| std::unique_ptr<SkStream> stream = SkStream::MakeFromFile(fPath.c_str()); |
| if (!stream) { |
| return SkISize::Make(0,0); |
| } |
| SkPictInfo info; |
| if (!SkPicture::InternalOnly_StreamIsSKP(stream.get(), &info)) { |
| return SkISize::Make(0,0); |
| } |
| SkRect viewport = kSKPViewport; |
| if (!viewport.intersect(info.fCullRect)) { |
| return SkISize::Make(0,0); |
| } |
| return viewport.roundOut().size(); |
| } |
| |
| Name SKPSrc::name() const { return SkOSPath::Basename(fPath.c_str()); } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| #if defined(SK_XML) |
| // Used when the image doesn't have an intrinsic size. |
| static const SkSize kDefaultSVGSize = SkSize::Make(1000, 1000); |
| |
| // Used to force-scale tiny fixed-size images. |
| static const SkSize kMinimumSVGSize = SkSize::Make(128, 128); |
| |
| SVGSrc::SVGSrc(Path path) : fPath(path), fScale(1) {} |
| |
| Error SVGSrc::ensureDom() const { |
| if (!fDom) { |
| SkFILEStream stream(fPath.c_str()); |
| if (!stream.isValid()) { |
| return SkStringPrintf("Unable to open file: %s", fPath.c_str()); |
| } |
| fDom = SkSVGDOM::MakeFromStream(stream); |
| if (!fDom) { |
| return SkStringPrintf("Unable to parse file: %s", fPath.c_str()); |
| } |
| |
| const SkSize& sz = fDom->containerSize(); |
| if (sz.isEmpty()) { |
| // no intrinsic size |
| fDom->setContainerSize(kDefaultSVGSize); |
| } else { |
| fScale = SkTMax(1.f, SkTMax(kMinimumSVGSize.width() / sz.width(), |
| kMinimumSVGSize.height() / sz.height())); |
| } |
| } |
| |
| return ""; |
| } |
| |
| Error SVGSrc::draw(SkCanvas* canvas) const { |
| Error err = this->ensureDom(); |
| if (err.isEmpty()) { |
| SkAutoCanvasRestore acr(canvas, true); |
| canvas->scale(fScale, fScale); |
| fDom->render(canvas); |
| } |
| |
| return err; |
| } |
| |
| SkISize SVGSrc::size() const { |
| Error err = this->ensureDom(); |
| if (!err.isEmpty()) { |
| return SkISize::Make(0, 0); |
| } |
| |
| return SkSize::Make(fDom->containerSize().width() * fScale, |
| fDom->containerSize().height() * fScale).toRound(); |
| } |
| |
| Name SVGSrc::name() const { return SkOSPath::Basename(fPath.c_str()); } |
| |
| bool SVGSrc::veto(SinkFlags flags) const { |
| // No need to test to non-(raster||gpu) or indirect backends. |
| bool type_ok = flags.type == SinkFlags::kRaster |
| || flags.type == SinkFlags::kGPU; |
| |
| return !type_ok || flags.approach != SinkFlags::kDirect; |
| } |
| |
| #endif // defined(SK_XML) |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| MSKPSrc::MSKPSrc(Path path) : fPath(path) { |
| std::unique_ptr<SkStreamAsset> stream = SkStream::MakeFromFile(fPath.c_str()); |
| (void)fReader.init(stream.get()); |
| } |
| |
| int MSKPSrc::pageCount() const { return fReader.pageCount(); } |
| |
| SkISize MSKPSrc::size() const { return this->size(0); } |
| SkISize MSKPSrc::size(int i) const { return fReader.pageSize(i).toCeil(); } |
| |
| Error MSKPSrc::draw(SkCanvas* c) const { return this->draw(0, c); } |
| Error MSKPSrc::draw(int i, SkCanvas* canvas) const { |
| std::unique_ptr<SkStreamAsset> stream = SkStream::MakeFromFile(fPath.c_str()); |
| if (!stream) { |
| return SkStringPrintf("Unable to open file: %s", fPath.c_str()); |
| } |
| if (fReader.pageCount() == 0) { |
| return SkStringPrintf("Unable to parse MultiPictureDocument file: %s", fPath.c_str()); |
| } |
| if (i >= fReader.pageCount()) { |
| return SkStringPrintf("MultiPictureDocument page number out of range: %d", i); |
| } |
| sk_sp<SkPicture> page = fReader.readPage(stream.get(), i); |
| if (!page) { |
| return SkStringPrintf("SkMultiPictureDocumentReader failed on page %d: %s", |
| i, fPath.c_str()); |
| } |
| canvas->drawPicture(page); |
| return ""; |
| } |
| |
| Name MSKPSrc::name() const { return SkOSPath::Basename(fPath.c_str()); } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| Error NullSink::draw(const Src& src, SkBitmap*, SkWStream*, SkString*) const { |
| std::unique_ptr<SkCanvas> canvas(SkCreateNullCanvas()); |
| return src.draw(canvas.get()); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| DEFINE_bool(gpuStats, false, "Append GPU stats to the log for each GPU task?"); |
| |
| GPUSink::GPUSink(GrContextFactory::ContextType ct, |
| GrContextFactory::ContextOptions options, |
| int samples, |
| bool diText, |
| SkColorType colorType, |
| sk_sp<SkColorSpace> colorSpace, |
| bool threaded) |
| : fContextType(ct) |
| , fContextOptions(options) |
| , fSampleCount(samples) |
| , fUseDIText(diText) |
| , fColorType(colorType) |
| , fColorSpace(std::move(colorSpace)) |
| , fThreaded(threaded) {} |
| |
| DEFINE_bool(imm, false, "Run gpu configs in immediate mode."); |
| DEFINE_bool(batchClip, false, "Clip each GrBatch to its device bounds for testing."); |
| DEFINE_bool(batchBounds, false, "Draw a wireframe bounds of each GrBatch."); |
| DEFINE_int32(batchLookback, -1, "Maximum GrBatch lookback for combining, negative means default."); |
| DEFINE_int32(batchLookahead, -1, "Maximum GrBatch lookahead for combining, negative means " |
| "default."); |
| |
| Error GPUSink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString* log) const { |
| GrContextOptions grOptions; |
| grOptions.fImmediateMode = FLAGS_imm; |
| grOptions.fClipBatchToBounds = FLAGS_batchClip; |
| grOptions.fDrawBatchBounds = FLAGS_batchBounds; |
| grOptions.fMaxBatchLookback = FLAGS_batchLookback; |
| grOptions.fMaxBatchLookahead = FLAGS_batchLookahead; |
| |
| src.modifyGrContextOptions(&grOptions); |
| |
| GrContextFactory factory(grOptions); |
| const SkISize size = src.size(); |
| const SkImageInfo info = |
| SkImageInfo::Make(size.width(), size.height(), fColorType, |
| kPremul_SkAlphaType, fColorSpace); |
| #if SK_SUPPORT_GPU |
| GrContext* context = factory.getContextInfo(fContextType, fContextOptions).grContext(); |
| const int maxDimension = context->caps()->maxTextureSize(); |
| if (maxDimension < SkTMax(size.width(), size.height())) { |
| return Error::Nonfatal("Src too large to create a texture.\n"); |
| } |
| #endif |
| |
| auto surface( |
| NewGpuSurface(&factory, fContextType, fContextOptions, info, fSampleCount, fUseDIText)); |
| if (!surface) { |
| return "Could not create a surface."; |
| } |
| if (FLAGS_preAbandonGpuContext) { |
| factory.abandonContexts(); |
| } |
| SkCanvas* canvas = surface->getCanvas(); |
| Error err = src.draw(canvas); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| canvas->flush(); |
| if (FLAGS_gpuStats) { |
| canvas->getGrContext()->dumpCacheStats(log); |
| canvas->getGrContext()->dumpGpuStats(log); |
| } |
| dst->allocPixels(info); |
| canvas->readPixels(dst, 0, 0); |
| if (FLAGS_abandonGpuContext) { |
| factory.abandonContexts(); |
| } else if (FLAGS_releaseAndAbandonGpuContext) { |
| factory.releaseResourcesAndAbandonContexts(); |
| } |
| return ""; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| static Error draw_skdocument(const Src& src, SkDocument* doc, SkWStream* dst) { |
| if (src.size().isEmpty()) { |
| return "Source has empty dimensions"; |
| } |
| SkASSERT(doc); |
| int pageCount = src.pageCount(); |
| for (int i = 0; i < pageCount; ++i) { |
| int width = src.size(i).width(), height = src.size(i).height(); |
| SkCanvas* canvas = |
| doc->beginPage(SkIntToScalar(width), SkIntToScalar(height)); |
| if (!canvas) { |
| return "SkDocument::beginPage(w,h) returned nullptr"; |
| } |
| Error err = src.draw(i, canvas); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| doc->endPage(); |
| } |
| doc->close(); |
| dst->flush(); |
| return ""; |
| } |
| |
| Error PDFSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| SkDocument::PDFMetadata metadata; |
| metadata.fTitle = src.name(); |
| metadata.fSubject = "rendering correctness test"; |
| metadata.fCreator = "Skia/DM"; |
| sk_sp<SkDocument> doc = SkDocument::MakePDF(dst, SK_ScalarDefaultRasterDPI, |
| metadata, nullptr, fPDFA); |
| if (!doc) { |
| return "SkDocument::MakePDF() returned nullptr"; |
| } |
| return draw_skdocument(src, doc.get(), dst); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| XPSSink::XPSSink() {} |
| |
| Error XPSSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| sk_sp<SkDocument> doc(SkDocument::MakeXPS(dst)); |
| if (!doc) { |
| return "SkDocument::MakeXPS() returned nullptr"; |
| } |
| return draw_skdocument(src, doc.get(), dst); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| PipeSink::PipeSink() {} |
| |
| Error PipeSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| return src.draw(SkPipeSerializer().beginWrite(SkRect::Make(src.size()), dst)); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| SKPSink::SKPSink() {} |
| |
| Error SKPSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| SkSize size; |
| size = src.size(); |
| SkPictureRecorder recorder; |
| Error err = src.draw(recorder.beginRecording(size.width(), size.height())); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| recorder.finishRecordingAsPicture()->serialize(dst); |
| return ""; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| Error DebugSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| SkDebugCanvas debugCanvas(src.size().width(), src.size().height()); |
| Error err = src.draw(&debugCanvas); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| sk_sp<SkCanvas> nullCanvas(SkCreateNullCanvas()); |
| UrlDataManager dataManager(SkString("data")); |
| Json::Value json = debugCanvas.toJSON( |
| dataManager, debugCanvas.getSize(), nullCanvas.get()); |
| std::string value = Json::StyledWriter().write(json); |
| return dst->write(value.c_str(), value.size()) ? "" : "SkWStream Error"; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| SVGSink::SVGSink() {} |
| |
| Error SVGSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| #if defined(SK_XML) |
| std::unique_ptr<SkXMLWriter> xmlWriter(new SkXMLStreamWriter(dst)); |
| sk_sp<SkCanvas> canvas(SkSVGCanvas::Create( |
| SkRect::MakeWH(SkIntToScalar(src.size().width()), SkIntToScalar(src.size().height())), |
| xmlWriter.get())); |
| return src.draw(canvas); |
| #else |
| return Error("SVG sink is disabled."); |
| #endif // SK_XML |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| RasterSink::RasterSink(SkColorType colorType, sk_sp<SkColorSpace> colorSpace) |
| : fColorType(colorType) |
| , fColorSpace(std::move(colorSpace)) {} |
| |
| Error RasterSink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString*) const { |
| const SkISize size = src.size(); |
| // If there's an appropriate alpha type for this color type, use it, otherwise use premul. |
| SkAlphaType alphaType = kPremul_SkAlphaType; |
| (void)SkColorTypeValidateAlphaType(fColorType, alphaType, &alphaType); |
| |
| SkMallocPixelRef::ZeroedPRFactory factory; |
| dst->allocPixels(SkImageInfo::Make(size.width(), size.height(), |
| fColorType, alphaType, fColorSpace), |
| &factory, |
| nullptr/*colortable*/); |
| SkCanvas canvas(*dst); |
| return src.draw(&canvas); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| // Handy for front-patching a Src. Do whatever up-front work you need, then call draw_to_canvas(), |
| // passing the Sink draw() arguments, a size, and a function draws into an SkCanvas. |
| // Several examples below. |
| |
| template <typename Fn> |
| static Error draw_to_canvas(Sink* sink, SkBitmap* bitmap, SkWStream* stream, SkString* log, |
| SkISize size, const Fn& draw) { |
| class ProxySrc : public Src { |
| public: |
| ProxySrc(SkISize size, const Fn& draw) : fSize(size), fDraw(draw) {} |
| Error draw(SkCanvas* canvas) const override { return fDraw(canvas); } |
| Name name() const override { return "ProxySrc"; } |
| SkISize size() const override { return fSize; } |
| private: |
| SkISize fSize; |
| const Fn& fDraw; |
| }; |
| return sink->draw(ProxySrc(size, draw), bitmap, stream, log); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| DEFINE_bool(check, true, "If true, have most Via- modes fail if they affect the output."); |
| |
| // Is *bitmap identical to what you get drawing src into sink? |
| static Error check_against_reference(const SkBitmap* bitmap, const Src& src, Sink* sink) { |
| // We can only check raster outputs. |
| // (Non-raster outputs like .pdf, .skp, .svg may differ but still draw identically.) |
| if (FLAGS_check && bitmap) { |
| SkBitmap reference; |
| SkString log; |
| SkDynamicMemoryWStream wStream; |
| Error err = sink->draw(src, &reference, &wStream, &log); |
| // If we can draw into this Sink via some pipeline, we should be able to draw directly. |
| SkASSERT(err.isEmpty()); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| // The dimensions are a property of the Src only, and so should be identical. |
| SkASSERT(reference.getSize() == bitmap->getSize()); |
| if (reference.getSize() != bitmap->getSize()) { |
| return "Dimensions don't match reference"; |
| } |
| // All SkBitmaps in DM are pre-locked and tight, so this comparison is easy. |
| if (0 != memcmp(reference.getPixels(), bitmap->getPixels(), reference.getSize())) { |
| return "Pixels don't match reference"; |
| } |
| } |
| return ""; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| static SkISize auto_compute_translate(SkMatrix* matrix, int srcW, int srcH) { |
| SkRect bounds = SkRect::MakeIWH(srcW, srcH); |
| matrix->mapRect(&bounds); |
| matrix->postTranslate(-bounds.x(), -bounds.y()); |
| return SkISize::Make(SkScalarRoundToInt(bounds.width()), SkScalarRoundToInt(bounds.height())); |
| } |
| |
| ViaMatrix::ViaMatrix(SkMatrix matrix, Sink* sink) : Via(sink), fMatrix(matrix) {} |
| |
| Error ViaMatrix::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| SkMatrix matrix = fMatrix; |
| SkISize size = auto_compute_translate(&matrix, src.size().width(), src.size().height()); |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) { |
| canvas->concat(matrix); |
| return src.draw(canvas); |
| }); |
| } |
| |
| // Undoes any flip or 90 degree rotate without changing the scale of the bitmap. |
| // This should be pixel-preserving. |
| ViaUpright::ViaUpright(SkMatrix matrix, Sink* sink) : Via(sink), fMatrix(matrix) {} |
| |
| Error ViaUpright::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| Error err = fSink->draw(src, bitmap, stream, log); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| |
| SkMatrix inverse; |
| if (!fMatrix.rectStaysRect() || !fMatrix.invert(&inverse)) { |
| return "Cannot upright --matrix."; |
| } |
| SkMatrix upright = SkMatrix::I(); |
| upright.setScaleX(SkScalarSignAsScalar(inverse.getScaleX())); |
| upright.setScaleY(SkScalarSignAsScalar(inverse.getScaleY())); |
| upright.setSkewX(SkScalarSignAsScalar(inverse.getSkewX())); |
| upright.setSkewY(SkScalarSignAsScalar(inverse.getSkewY())); |
| |
| SkBitmap uprighted; |
| SkISize size = auto_compute_translate(&upright, bitmap->width(), bitmap->height()); |
| uprighted.allocPixels(bitmap->info().makeWH(size.width(), size.height())); |
| |
| SkCanvas canvas(uprighted); |
| canvas.concat(upright); |
| SkPaint paint; |
| paint.setBlendMode(SkBlendMode::kSrc); |
| canvas.drawBitmap(*bitmap, 0, 0, &paint); |
| |
| *bitmap = uprighted; |
| bitmap->lockPixels(); |
| return ""; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| Error ViaSerialization::draw( |
| const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| // Record our Src into a picture. |
| auto size = src.size(); |
| SkPictureRecorder recorder; |
| Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()), |
| SkIntToScalar(size.height()))); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| sk_sp<SkPicture> pic(recorder.finishRecordingAsPicture()); |
| |
| // Serialize it and then deserialize it. |
| sk_sp<SkPicture> deserialized(SkPicture::MakeFromData(pic->serialize().get())); |
| |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) { |
| canvas->drawPicture(deserialized); |
| return check_against_reference(bitmap, src, fSink.get()); |
| }); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| ViaTiles::ViaTiles(int w, int h, SkBBHFactory* factory, Sink* sink) |
| : Via(sink) |
| , fW(w) |
| , fH(h) |
| , fFactory(factory) {} |
| |
| Error ViaTiles::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| auto size = src.size(); |
| SkPictureRecorder recorder; |
| Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()), |
| SkIntToScalar(size.height()), |
| fFactory.get())); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| sk_sp<SkPicture> pic(recorder.finishRecordingAsPicture()); |
| |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, src.size(), [&](SkCanvas* canvas) { |
| const int xTiles = (size.width() + fW - 1) / fW, |
| yTiles = (size.height() + fH - 1) / fH; |
| SkMultiPictureDraw mpd(xTiles*yTiles); |
| SkTArray<sk_sp<SkSurface>> surfaces; |
| // surfaces.setReserve(xTiles*yTiles); |
| |
| SkImageInfo info = canvas->imageInfo().makeWH(fW, fH); |
| for (int j = 0; j < yTiles; j++) { |
| for (int i = 0; i < xTiles; i++) { |
| // This lets our ultimate Sink determine the best kind of surface. |
| // E.g., if it's a GpuSink, the surfaces and images are textures. |
| auto s = canvas->makeSurface(info); |
| if (!s) { |
| s = SkSurface::MakeRaster(info); // Some canvases can't create surfaces. |
| } |
| surfaces.push_back(s); |
| SkCanvas* c = s->getCanvas(); |
| c->translate(SkIntToScalar(-i * fW), |
| SkIntToScalar(-j * fH)); // Line up the canvas with this tile. |
| mpd.add(c, pic.get()); |
| } |
| } |
| mpd.draw(); |
| for (int j = 0; j < yTiles; j++) { |
| for (int i = 0; i < xTiles; i++) { |
| sk_sp<SkImage> image(surfaces[i+xTiles*j]->makeImageSnapshot()); |
| canvas->drawImage(image, SkIntToScalar(i*fW), SkIntToScalar(j*fH)); |
| } |
| } |
| return ""; |
| }); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| Error ViaPicture::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| auto size = src.size(); |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error { |
| SkPictureRecorder recorder; |
| sk_sp<SkPicture> pic; |
| Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()), |
| SkIntToScalar(size.height()))); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| pic = recorder.finishRecordingAsPicture(); |
| canvas->drawPicture(pic); |
| return check_against_reference(bitmap, src, fSink.get()); |
| }); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| Error ViaDefer::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| auto size = src.size(); |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error { |
| SkDeferredCanvas deferred(canvas); |
| return src.draw(&deferred); |
| }); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| Error ViaPipe::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| auto size = src.size(); |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error { |
| SkDynamicMemoryWStream tmpStream; |
| Error err = src.draw(SkPipeSerializer().beginWrite(SkRect::Make(size), &tmpStream)); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| sk_sp<SkData> data = tmpStream.detachAsData(); |
| SkPipeDeserializer().playback(data->data(), data->size(), canvas); |
| return check_against_reference(bitmap, src, fSink.get()); |
| }); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| // Draw the Src into two pictures, then draw the second picture into the wrapped Sink. |
| // This tests that any shortcuts we may take while recording that second picture are legal. |
| Error ViaSecondPicture::draw( |
| const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| auto size = src.size(); |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error { |
| SkPictureRecorder recorder; |
| sk_sp<SkPicture> pic; |
| for (int i = 0; i < 2; i++) { |
| Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()), |
| SkIntToScalar(size.height()))); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| pic = recorder.finishRecordingAsPicture(); |
| } |
| canvas->drawPicture(pic); |
| return check_against_reference(bitmap, src, fSink.get()); |
| }); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| // Draw the Src twice. This can help exercise caching. |
| Error ViaTwice::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, src.size(), [&](SkCanvas* canvas) -> Error { |
| for (int i = 0; i < 2; i++) { |
| SkAutoCanvasRestore acr(canvas, true/*save now*/); |
| canvas->clear(SK_ColorTRANSPARENT); |
| Error err = src.draw(canvas); |
| if (err.isEmpty()) { |
| return err; |
| } |
| } |
| return check_against_reference(bitmap, src, fSink.get()); |
| }); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| // This is like SkRecords::Draw, in that it plays back SkRecords ops into a Canvas. |
| // Unlike SkRecords::Draw, it builds a single-op sub-picture out of each Draw-type op. |
| // This is an only-slightly-exaggerated simluation of Blink's Slimming Paint pictures. |
| struct DrawsAsSingletonPictures { |
| SkCanvas* fCanvas; |
| const SkDrawableList& fDrawables; |
| SkRect fBounds; |
| |
| template <typename T> |
| void draw(const T& op, SkCanvas* canvas) { |
| // We must pass SkMatrix::I() as our initial matrix. |
| // By default SkRecords::Draw() uses the canvas' matrix as its initial matrix, |
| // which would have the funky effect of applying transforms over and over. |
| SkRecords::Draw d(canvas, nullptr, fDrawables.begin(), fDrawables.count(), &SkMatrix::I()); |
| d(op); |
| } |
| |
| // Draws get their own picture. |
| template <typename T> |
| SK_WHEN(T::kTags & SkRecords::kDraw_Tag, void) operator()(const T& op) { |
| SkPictureRecorder rec; |
| this->draw(op, rec.beginRecording(fBounds)); |
| sk_sp<SkPicture> pic(rec.finishRecordingAsPicture()); |
| fCanvas->drawPicture(pic); |
| } |
| |
| // We'll just issue non-draws directly. |
| template <typename T> |
| skstd::enable_if_t<!(T::kTags & SkRecords::kDraw_Tag), void> operator()(const T& op) { |
| this->draw(op, fCanvas); |
| } |
| }; |
| |
| // Record Src into a picture, then record it into a macro picture with a sub-picture for each draw. |
| // Then play back that macro picture into our wrapped sink. |
| Error ViaSingletonPictures::draw( |
| const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| auto size = src.size(); |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error { |
| // Use low-level (Skia-private) recording APIs so we can read the SkRecord. |
| SkRecord skr; |
| SkRecorder recorder(&skr, size.width(), size.height()); |
| Error err = src.draw(&recorder); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| |
| // Record our macro-picture, with each draw op as its own sub-picture. |
| SkPictureRecorder macroRec; |
| SkCanvas* macroCanvas = macroRec.beginRecording(SkIntToScalar(size.width()), |
| SkIntToScalar(size.height())); |
| |
| std::unique_ptr<SkDrawableList> drawables(recorder.detachDrawableList()); |
| const SkDrawableList empty; |
| |
| DrawsAsSingletonPictures drawsAsSingletonPictures = { |
| macroCanvas, |
| drawables ? *drawables : empty, |
| SkRect::MakeWH((SkScalar)size.width(), (SkScalar)size.height()), |
| }; |
| for (int i = 0; i < skr.count(); i++) { |
| skr.visit(i, drawsAsSingletonPictures); |
| } |
| sk_sp<SkPicture> macroPic(macroRec.finishRecordingAsPicture()); |
| |
| canvas->drawPicture(macroPic); |
| return check_against_reference(bitmap, src, fSink.get()); |
| }); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| Error ViaLite::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| auto size = src.size(); |
| SkRect bounds = {0,0, (SkScalar)size.width(), (SkScalar)size.height()}; |
| return draw_to_canvas(fSink.get(), bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error { |
| sk_sp<SkLiteDL> dl = SkLiteDL::New(bounds); |
| |
| SkLiteRecorder rec; |
| rec.reset(dl.get()); |
| |
| Error err = src.draw(&rec); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| dl->draw(canvas); |
| return check_against_reference(bitmap, src, fSink.get()); |
| }); |
| } |
| |
| } // namespace DM |