string convert::getComment( const string &image ) {
#ifdef HAVE_MAGICK
Magick::Image img;
try {
img.read( image );
return img.attribute("comment");
} catch ( Magick::Exception &ex ) {
cerr << " convert::getComment( " << image << " ): ERROR:" << ex.what() << endl;
return "";
}
#else // ! HAVE_MAGICK
return "";
#endif // HAVE_MAGICK
}
void TimeLapseCapture::imageCaptured(QString format, Magick::Blob blob, Magick::Geometry sizeHint) {
bool readRawFromFile = false;
QString framePath = output.path() + QDir::separator()
+ leadingZeros(capturedCnt, FRAME_FILE_LEADING_ZEROS) + "_" + leadingZeros(capturedSubsequence, 2);
if (format == "RGB") {
if (storeRawImages) {
// store RAW RGB data in PPM format
QString pgmHeader = QString("P6\n%1 %2\n255\n").arg(sizeHint.width()).arg(sizeHint.height());
std::string headerStr = pgmHeader.toStdString();
const char *headerBytes = headerStr.c_str();
size_t headerLen = strlen(headerBytes);
if (shutterSpdAlg != NULL && capturedSubsequence == 0) {
Magick::Image capturedImage;
capturedImage.read(blob, sizeHint, 8, "RGB");
shutterSpdAlg->update(capturedImage);
}
framePath += ".ppm";
QFile file(framePath);
file.open(QIODevice::WriteOnly);
file.write(headerBytes, headerLen);
file.write((char*) blob.data(), blob.length());
file.close();
} else {
// convert RGB data to JPEG
Magick::Image capturedImage;
capturedImage.read(blob, sizeHint, 8, "RGB");
if (shutterSpdAlg != NULL && capturedSubsequence == 0) {
shutterSpdAlg->update(capturedImage);
}
QDateTime now = QDateTime::currentDateTime();
QString exifDateTime = now.toString("yyyy:MM:dd HH:mm:ss");\
// ImageMagick don't support writing of exif data
// TODO: setup exif timestamp correctly
capturedImage.attribute("EXIF:DateTime", exifDateTime.toStdString());
//capturedImage.defineValue("EXIF", "DateTime", exifDateTime.toStdString());
capturedImage.compressType(Magick::JPEGCompression);
capturedImage.magick("JPEG");
framePath += ".jpeg";
capturedImage.write(framePath.toStdString());
}
} else {
if (shutterSpdAlg != NULL && capturedSubsequence == 0) {
try {
Magick::Image capturedImage;
capturedImage.read(blob, format.toStdString());
shutterSpdAlg->update(capturedImage);
} catch (const std::exception &e) {
err << "Failed to decode captured image (" << format << "): " << QString::fromUtf8(e.what()) << endl;
readRawFromFile = true;
}
}
// store other formats in device specific format
framePath += "." + format;
QFile file(framePath);
file.open(QIODevice::WriteOnly);
file.write((char*) blob.data(), blob.length());
file.close();
if (readRawFromFile && shutterSpdAlg != NULL && capturedSubsequence == 0) {
/* I don't understand ImageMagick correctly, but it fails with reading RAW files
* from memory blob, but reading from file works (sometimes).
* Maybe, it don't support delegating (dcraw, ufraw...) with memory data...
*/
try {
Magick::Image capturedImage;
capturedImage.read(framePath.toStdString());
shutterSpdAlg->update(capturedImage);
} catch (const std::exception &e) {
err << "Failed to decode captured image (" << framePath << "): " << QString::fromUtf8(e.what()) << endl;
}
}
}
verboseOutput << "Captured frame saved to " << framePath << endl;
capturedSubsequence++;
}
