int main (int argc, char * const argv[]) {
SkAutoGraphics ag;
int i, outDirIndex = 0;
SkString outDir;
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-help")) {
show_help();
return 0;
}
if (!strcmp(argv[i], "-o")) {
if (i == argc-1) {
SkDebugf("ERROR: -o needs a following filename\n");
return -1;
}
outDirIndex = i;
outDir.set(argv[i+1]);
if (outDir.c_str()[outDir.size() - 1] != '/') {
outDir.append("/");
}
i += 1; // skip the out dir name
}
}
for (i = 1; i < argc; i++) {
if (i == outDirIndex) {
i += 1; // skip this and the next entry
continue;
}
SkBitmap bitmap;
if (decodeFile(&bitmap, argv[i])) {
if (outDirIndex) {
SkString outPath;
make_outname(&outPath, outDir.c_str(), argv[i]);
SkDebugf(" writing %s\n", outPath.c_str());
SkImageEncoder::EncodeFile(outPath.c_str(), bitmap,
SkImageEncoder::kPNG_Type, 100);
} else {
SkDebugf(" decoded %s [%d %d]\n", argv[i], bitmap.width(),
bitmap.height());
}
}
}
return 0;
}
/**
* Encode the bitmap to a file, written one of two ways, depending on
* FLAGS_writeChecksumBasedFilenames. If true, the final image will be
* written to:
* outDir/hashType/src/digestValue.png
* If false, the final image will be written out to:
* outDir/src.png
* The function returns whether the file was successfully written.
*/
static bool write_bitmap(const char outDir[], const char src[],
const skiagm::BitmapAndDigest& bitmapAndDigest) {
SkString filename;
if (FLAGS_writeChecksumBasedFilenames) {
// First create the directory for the hashtype.
const SkString hashType = bitmapAndDigest.fDigest.getHashType();
const SkString hashDir = SkOSPath::SkPathJoin(outDir, hashType.c_str());
if (!sk_mkdir(hashDir.c_str())) {
return false;
}
// Now create the name of the folder specific to this image.
SkString basename = SkOSPath::SkBasename(src);
const SkString imageDir = SkOSPath::SkPathJoin(hashDir.c_str(), basename.c_str());
if (!sk_mkdir(imageDir.c_str())) {
return false;
}
// Name the file <digest>.png
SkString checksumBasedName = bitmapAndDigest.fDigest.getDigestValue();
checksumBasedName.append(".png");
filename = SkOSPath::SkPathJoin(imageDir.c_str(), checksumBasedName.c_str());
} else {
make_outname(&filename, outDir, src, ".png");
}
const SkBitmap& bm = bitmapAndDigest.fBitmap;
if (SkImageEncoder::EncodeFile(filename.c_str(), bm, SkImageEncoder::kPNG_Type, 100)) {
return true;
}
if (bm.colorType() == kN32_SkColorType) {
// First attempt at encoding failed, and the bitmap was already 8888. Making
// a copy is not going to help.
return false;
}
// Encoding failed. Copy to 8888 and try again.
SkBitmap bm8888;
if (!bm.copyTo(&bm8888, kN32_SkColorType)) {
return false;
}
return SkImageEncoder::EncodeFile(filename.c_str(), bm8888, SkImageEncoder::kPNG_Type, 100);
}
