SkImageGenerator::Result onGetScanlines(void* dst, int count, size_t rowBytes) override {
// Set the jump location for libjpeg errors
if (setjmp(fCodec->fDecoderMgr->getJmpBuf())) {
return fCodec->fDecoderMgr->returnFailure("setjmp", SkImageGenerator::kInvalidInput);
}
// Read rows one at a time
for (int y = 0; y < count; y++) {
// Read row of the image
uint32_t rowsDecoded = jpeg_read_scanlines(fCodec->fDecoderMgr->dinfo(), &fSrcRow, 1);
if (rowsDecoded != 1) {
SkSwizzler::Fill(dst, this->dstInfo(), rowBytes, count - y, SK_ColorBLACK, NULL);
return SkImageGenerator::kIncompleteInput;
}
// Convert to RGB if necessary
if (JCS_CMYK == fCodec->fDecoderMgr->dinfo()->out_color_space) {
convert_CMYK_to_RGB(fSrcRow, dstInfo().width());
}
// Swizzle to output destination
fCodec->fSwizzler->setDstRow(dst);
fCodec->fSwizzler->next(fSrcRow);
dst = SkTAddOffset<void>(dst, rowBytes);
}
return SkImageGenerator::kSuccess;
}
bool copyDir(const QString &srcPath, const QString &dstPath)
{
bool result = true;
bool test = true;
LOG_FREE(Info, "copyDir", "copyDir '" << toString(srcPath) << "' to '" << toString(dstPath) << "'");
// ensure directory exists
QFileInfo dstInfo(dstPath);
QString fileName = dstInfo.fileName();
if (!dstInfo.exists() || !dstInfo.isDir()){
QDir parentDstDir(QFileInfo(dstPath).path());
LOG_FREE(Info, "copyDir", "Creating directory named = '" << toString(fileName) << "' in parentDstDir = '" << toString(parentDstDir.path()) << "'");
if (!parentDstDir.mkpath(fileName)){
LOG_FREE(Error, "copyDir", "Failed to create directory = '" << toString(fileName) << "' in parentDstDir = '" << toString(parentDstDir.path()) << "'");
return false;
}
}
QDir srcDir(srcPath);
// remove all files in dst as well as any directories in dst that are not in src
test = synchDirStructures(srcPath, dstPath);
if (!test){
LOG_FREE(Error, "copyDir", "Failed to synch destination '" << toString(dstPath) << "' with source '" << toString(srcPath) << "'");
result = false;
}
// copy all files in src to dst
for (const QFileInfo &srcItemInfo : srcDir.entryInfoList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot))
{
QString srcItemPath = srcPath + "/" + srcItemInfo.fileName();
QString dstItemPath = dstPath + "/" + srcItemInfo.fileName();
QFileInfo dstItemInfo = QFileInfo(dstItemPath);
if (srcItemInfo.isDir()) {
test = copyDir(srcItemPath, dstItemPath);
if (!test){
LOG_FREE(Error, "copyDir", "Failed to copy directory '" << toString(srcItemPath) << "' to '" << toString(dstItemPath) << "'");
result = false;
// DLM: do we really want to give up here?
//return false;
}
} else if (srcItemInfo.isFile()) {
test = QFile::copy(srcItemPath, dstItemPath);
if (!test){
LOG_FREE(Error, "copyDir", "Failed to copy file '" << toString(srcItemPath) << "' to '" << toString(dstItemPath) << "'");
result = false;
// DLM: do we really want to give up here?
//return false;
}
}
}
return result;
}