| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/codec/SkCodec.h" |
| #include "include/codec/SkEncodedImageFormat.h" |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkColorSpace.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkPicture.h" |
| #include "include/core/SkSerialProcs.h" |
| #include "include/core/SkStream.h" |
| #include "src/core/SkMD5.h" |
| #include "src/core/SkOSFile.h" |
| #include "src/core/SkTHash.h" |
| #include "src/utils/SkJSONWriter.h" |
| #include "src/utils/SkOSPath.h" |
| #include "tools/flags/CommandLineFlags.h" |
| |
| #include <iostream> |
| #include <map> |
| |
| static DEFINE_string2(skps, s, "skps", "A path to a directory of skps or a single skp."); |
| static DEFINE_string2(out, o, "img-out", "A path to an output directory."); |
| static DEFINE_bool(testDecode, false, |
| "Indicates if we want to test that the images decode successfully."); |
| static DEFINE_bool(writeImages, true, |
| "Indicates if we want to write out supported/decoded images."); |
| static DEFINE_bool(writeFailedImages, false, |
| "Indicates if we want to write out unsupported/failed to decode images."); |
| static DEFINE_string2(failuresJsonPath, j, "", |
| "Dump SKP and count of unknown images to the specified JSON file. Will not be " |
| "written anywhere if empty."); |
| |
| static int gKnown; |
| static const char* gOutputDir; |
| static std::map<std::string, unsigned int> gSkpToUnknownCount = {}; |
| static std::map<std::string, unsigned int> gSkpToUnsupportedCount; |
| |
| static SkTHashSet<SkMD5::Digest> gSeen; |
| |
| struct Sniffer { |
| |
| std::string skpName; |
| |
| Sniffer(std::string name) { |
| skpName = name; |
| } |
| |
| void sniff(const void* ptr, size_t len) { |
| SkMD5 md5; |
| md5.write(ptr, len); |
| SkMD5::Digest digest = md5.finish(); |
| |
| if (gSeen.contains(digest)) { |
| return; |
| } |
| gSeen.add(digest); |
| |
| sk_sp<SkData> data(SkData::MakeWithoutCopy(ptr, len)); |
| std::unique_ptr<SkCodec> codec = SkCodec::MakeFromData(data); |
| if (!codec) { |
| // FIXME: This code is currently unreachable because we create an empty generator when |
| // we fail to create a codec. |
| SkDebugf("Codec could not be created for %s\n", skpName.c_str()); |
| gSkpToUnknownCount[skpName]++; |
| return; |
| } |
| SkString ext; |
| switch (codec->getEncodedFormat()) { |
| case SkEncodedImageFormat::kBMP: ext = "bmp"; break; |
| case SkEncodedImageFormat::kGIF: ext = "gif"; break; |
| case SkEncodedImageFormat::kICO: ext = "ico"; break; |
| case SkEncodedImageFormat::kJPEG: ext = "jpg"; break; |
| case SkEncodedImageFormat::kPNG: ext = "png"; break; |
| case SkEncodedImageFormat::kDNG: ext = "dng"; break; |
| case SkEncodedImageFormat::kWBMP: ext = "wbmp"; break; |
| case SkEncodedImageFormat::kWEBP: ext = "webp"; break; |
| default: |
| // This should be unreachable because we cannot create a codec if we do not know |
| // the image type. |
| SkASSERT(false); |
| } |
| |
| auto writeImage = [&] (const char* name, int num) { |
| SkString path; |
| path.appendf("%s/%s%d.%s", gOutputDir, name, num, ext.c_str()); |
| |
| SkFILEWStream file(path.c_str()); |
| file.write(ptr, len); |
| |
| SkDebugf("%s\n", path.c_str()); |
| }; |
| |
| if (FLAGS_testDecode) { |
| SkBitmap bitmap; |
| SkImageInfo info = codec->getInfo().makeColorType(kN32_SkColorType); |
| bitmap.allocPixels(info); |
| const SkCodec::Result result = codec->getPixels( |
| info, bitmap.getPixels(), bitmap.rowBytes()); |
| switch (result) { |
| case SkCodec::kSuccess: |
| case SkCodec::kIncompleteInput: |
| case SkCodec::kErrorInInput: |
| break; |
| default: |
| SkDebugf("Decoding failed for %s\n", skpName.c_str()); |
| if (FLAGS_writeFailedImages) { |
| writeImage("unknown", gSkpToUnknownCount[skpName]); |
| } |
| gSkpToUnknownCount[skpName]++; |
| return; |
| } |
| } |
| |
| if (FLAGS_writeImages) { |
| writeImage("", gKnown); |
| } |
| |
| gKnown++; |
| } |
| }; |
| |
| static bool get_images_from_file(const SkString& file) { |
| Sniffer sniff(file.c_str()); |
| auto stream = SkStream::MakeFromFile(file.c_str()); |
| |
| SkDeserialProcs procs; |
| procs.fImageProc = [](const void* data, size_t size, void* ctx) -> sk_sp<SkImage> { |
| ((Sniffer*)ctx)->sniff(data, size); |
| return nullptr; |
| }; |
| procs.fImageCtx = &sniff; |
| return SkPicture::MakeFromStream(stream.get(), &procs) != nullptr; |
| } |
| |
| int main(int argc, char** argv) { |
| CommandLineFlags::SetUsage( |
| "Usage: get_images_from_skps -s <dir of skps> -o <dir for output images> --testDecode " |
| "-j <output JSON path> --writeImages, --writeFailedImages\n"); |
| |
| CommandLineFlags::Parse(argc, argv); |
| const char* inputs = FLAGS_skps[0]; |
| gOutputDir = FLAGS_out[0]; |
| |
| if (!sk_isdir(gOutputDir)) { |
| CommandLineFlags::PrintUsage(); |
| return 1; |
| } |
| |
| if (sk_isdir(inputs)) { |
| SkOSFile::Iter iter(inputs, "skp"); |
| for (SkString file; iter.next(&file); ) { |
| if (!get_images_from_file(SkOSPath::Join(inputs, file.c_str()))) { |
| return 2; |
| } |
| } |
| } else { |
| if (!get_images_from_file(SkString(inputs))) { |
| return 2; |
| } |
| } |
| /** |
| JSON results are written out in the following format: |
| { |
| "failures": { |
| "skp1": 12, |
| "skp4": 2, |
| ... |
| }, |
| "unsupported": { |
| "skp9": 13, |
| "skp17": 3, |
| ... |
| } |
| "totalFailures": 32, |
| "totalUnsupported": 9, |
| "totalSuccesses": 21, |
| } |
| */ |
| |
| unsigned int totalFailures = 0, |
| totalUnsupported = 0; |
| SkDynamicMemoryWStream memStream; |
| SkJSONWriter writer(&memStream, SkJSONWriter::Mode::kPretty); |
| writer.beginObject(); |
| { |
| writer.beginObject("failures"); |
| { |
| for(const auto& failure : gSkpToUnknownCount) { |
| SkDebugf("%s %d\n", failure.first.c_str(), failure.second); |
| totalFailures += failure.second; |
| writer.appendU32(failure.first.c_str(), failure.second); |
| } |
| } |
| writer.endObject(); |
| writer.appendU32("totalFailures", totalFailures); |
| |
| #ifdef SK_DEBUG |
| writer.beginObject("unsupported"); |
| { |
| for (const auto& unsupported : gSkpToUnsupportedCount) { |
| SkDebugf("%s %d\n", unsupported.first.c_str(), unsupported.second); |
| totalUnsupported += unsupported.second; |
| writer.appendHexU32(unsupported.first.c_str(), unsupported.second); |
| } |
| |
| } |
| writer.endObject(); |
| writer.appendU32("totalUnsupported", totalUnsupported); |
| #endif |
| |
| writer.appendS32("totalSuccesses", gKnown); |
| SkDebugf("%d known, %d failures, %d unsupported\n", |
| gKnown, totalFailures, totalUnsupported); |
| } |
| writer.endObject(); |
| writer.flush(); |
| |
| if (totalFailures > 0 || totalUnsupported > 0) { |
| if (!FLAGS_failuresJsonPath.isEmpty()) { |
| SkDebugf("Writing failures to %s\n", FLAGS_failuresJsonPath[0]); |
| SkFILEWStream stream(FLAGS_failuresJsonPath[0]); |
| auto jsonStream = memStream.detachAsStream(); |
| stream.writeStream(jsonStream.get(), jsonStream->getLength()); |
| } |
| } |
| |
| return 0; |
| } |