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/*
* 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 "SkCodec.h"
#include "SkCommandLineFlags.h"
#include "SkData.h"
#include "SkMD5.h"
#include "SkOSFile.h"
#include "SkPicture.h"
#include "SkPixelSerializer.h"
#include "SkStream.h"
#include "SkTHash.h"
DEFINE_string2(skps, s, "skps", "A path to a directory of skps.");
DEFINE_string2(out, o, "img-out", "A path to an output directory.");
static int gKnown;
static int gUnknown;
static const char* gOutputDir;
static SkTHashSet<SkMD5::Digest> gSeen;
struct Sniffer : public SkPixelSerializer {
void sniff(const void* ptr, size_t len) {
SkMD5 md5;
md5.write(ptr, len);
SkMD5::Digest digest;
md5.finish(digest);
if (gSeen.contains(digest)) {
return;
}
gSeen.add(digest);
SkAutoTUnref<SkData> data(SkData::NewWithoutCopy(ptr, len));
SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(data));
if (!codec) {
gUnknown++;
return;
}
SkString ext;
switch (codec->getEncodedFormat()) {
case SkEncodedFormat::kBMP_SkEncodedFormat: ext = "bmp"; break;
case SkEncodedFormat::kGIF_SkEncodedFormat: ext = "gif"; break;
case SkEncodedFormat::kICO_SkEncodedFormat: ext = "ico"; break;
case SkEncodedFormat::kJPEG_SkEncodedFormat: ext = "jpg"; break;
case SkEncodedFormat::kPNG_SkEncodedFormat: ext = "png"; break;
case SkEncodedFormat::kRAW_SkEncodedFormat: ext = "dng"; break;
case SkEncodedFormat::kWBMP_SkEncodedFormat: ext = "wbmp"; break;
case SkEncodedFormat::kWEBP_SkEncodedFormat: ext = "webp"; break;
default: gUnknown++; return;
}
SkString path;
path.appendf("%s/%d.%s", gOutputDir, gKnown++, ext.c_str());
SkFILEWStream file(path.c_str());
file.write(ptr, len);
SkDebugf("%s\n", path.c_str());
}
bool onUseEncodedData(const void* ptr, size_t len) override {
this->sniff(ptr, len);
return true;
}
SkData* onEncode(const SkPixmap&) override { return nullptr; }
};
int main(int argc, char** argv) {
SkCommandLineFlags::SetUsage(
"Usage: get_images_from_skps -s <dir of skps> -o <dir for output images>\n");
SkCommandLineFlags::Parse(argc, argv);
const char* inputs = FLAGS_skps[0];
gOutputDir = FLAGS_out[0];
if (!sk_isdir(inputs) || !sk_isdir(gOutputDir)) {
SkCommandLineFlags::PrintUsage();
return 1;
}
SkOSFile::Iter iter(inputs, "skp");
for (SkString file; iter.next(&file); ) {
SkAutoTDelete<SkStream> stream =
SkStream::NewFromFile(SkOSPath::Join(inputs, file.c_str()).c_str());
SkAutoTUnref<SkPicture> picture(SkPicture::CreateFromStream(stream));
SkDynamicMemoryWStream scratch;
Sniffer sniff;
picture->serialize(&scratch, &sniff);
}
SkDebugf("%d known, %d unknown\n", gKnown, gUnknown);
return 0;
}
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