Beispiel #1
0
// *****************************************************************************
// Main
int main(int argc, char* const argv[])
{
    try {

        if (argc != 2) {
            std::cout << "Usage: " << argv[0] << " image\n";
            std::cout << "Commands read from stdin.\n";
            return 1;
        }

        Image::AutoPtr image = ImageFactory::open(argv[1]);
        assert (image.get() != 0);
        image->readMetadata();

        // Process commands
        std::string line;
        int num = 0;
        std::getline(std::cin, line);
        while (line.length() && processLine(line, ++num, image->iptcData())) {
            std::getline(std::cin, line);
        }

        // Save any changes
        image->writeMetadata();

        return 0;
    }
    catch (AnyError& e) {
        std::cout << "Caught Exiv2 exception '" << e << "'\n";
        return -1;
    }
}
Beispiel #2
0
    void PgfImage::readMetadata()
    {
#ifdef DEBUG
        std::cerr << "Exiv2::PgfImage::readMetadata: Reading PGF file " << io_->path() << "\n";
#endif
        if (io_->open() != 0)
        {
            throw Error(9, io_->path(), strError());
        }
        IoCloser closer(*io_);
        // Ensure that this is the correct image type
        if (!isPgfType(*io_, true))
        {
            if (io_->error() || io_->eof()) throw Error(14);
            throw Error(3, "PGF");
        }
        clearMetadata();

        readPgfMagicNumber(*io_);

        uint32_t headerSize = readPgfHeaderSize(*io_);

        readPgfHeaderStructure(*io_, &pixelWidth_, &pixelHeight_);

        // And now, the most interresting, the user data byte array where metadata are stored as small image.

        long size = 8 + headerSize - io_->tell();

#ifdef DEBUG
        std::cout << "Exiv2::PgfImage::readMetadata: Found Image data (" << size << " bytes)\n";
#endif

        if (size < 0) throw Error(20);
        if (size == 0) return;

        DataBuf imgData(size);
        std::memset(imgData.pData_, 0x0, imgData.size_);
        long bufRead = io_->read(imgData.pData_, imgData.size_);
        if (io_->error()) throw Error(14);
        if (bufRead != imgData.size_) throw Error(20);

        Image::AutoPtr image = Exiv2::ImageFactory::open(imgData.pData_, imgData.size_);
        image->readMetadata();
        exifData() = image->exifData();
        iptcData() = image->iptcData();
        xmpData()  = image->xmpData();

    } // PgfImage::readMetadata
Beispiel #3
0
 int IptcData::read(const std::string& path)
 {
     if (!fileExists(path, true)) return -1;
     Image::AutoPtr image = ImageFactory::instance().open(path);
     if (image.get() == 0) {
         // We don't know this type of file
         return -2;
     }
     
     int rc = image->readMetadata();
     if (rc == 0) {
         if (image->sizeIptcData() > 0) {
             rc = read(image->iptcData(), image->sizeIptcData());
         }
         else {
             rc = 3;
         }
     }
     return rc;
 }