bool RawDecodingIface::loadedFromDcraw(const QString& filePath,
QString& destPath, SaveSettingsWidget::OutputFormat outputFileFormat,
const QByteArray& imageData, int width, int height, int rgbmax,
const KDcrawIface::RawDecodingSettings& rawDecodingSettings)
{
bool sixteenBits = rawDecodingSettings.sixteenBitsImage;
uchar* sptr = (uchar*)imageData.data();
float factor = 65535.0 / rgbmax;
uchar tmp8[2];
unsigned short tmp16[3];
// Set RGB color components.
for (int i = 0 ; i < width * height ; i++)
{
if (!sixteenBits) // 8 bits color depth image.
{
// Swap Red and Blue
tmp8[0] = sptr[2];
tmp8[1] = sptr[0];
sptr[0] = tmp8[0];
sptr[2] = tmp8[1];
sptr += 3;
}
else // 16 bits color depth image.
{
// Swap Red and Blue and re-ajust color component values
#if KDCRAW_VERSION < 0x000400
tmp16[0] = (unsigned short)((sptr[4]*256 + sptr[5]) * factor); // Blue
tmp16[1] = (unsigned short)((sptr[2]*256 + sptr[3]) * factor); // Green
tmp16[2] = (unsigned short)((sptr[0]*256 + sptr[1]) * factor); // Red
#else
tmp16[0] = (unsigned short)((sptr[5]*256 + sptr[4]) * factor); // Blue
tmp16[1] = (unsigned short)((sptr[3]*256 + sptr[2]) * factor); // Green
tmp16[2] = (unsigned short)((sptr[1]*256 + sptr[0]) * factor); // Red
#endif
memcpy(&sptr[0], &tmp16[0], 6);
sptr += 6;
}
}
#if KDCRAW_VERSION < 0x000400
// Special case: RAW decoded image is a linear-histogram image with 16 bits color depth.
// No auto white balance and no gamma adjustemnts are performed. Image is a black hole.
// We need to reproduce all dcraw 8 bits color depth adjustements here.
if (sixteenBits &&
rawDecodingSettings.outputColorSpace != KDcrawIface::RawDecodingSettings::RAWCOLOR)
{
// Compute histogram.
unsigned short* image = (unsigned short*)imageData.data();
int histogram[3][65536];
memset(histogram, 0, sizeof(histogram));
for (int i = 0 ; i < width * height ; i++)
{
for (int c = 0 ; c < 3 ; c++)
histogram[c][image[c]]++;
image += 3;
}
// Search 99th percentile white level.
int perc, val, total;
float white=0.0, r;
unsigned short lut[65536];
perc = (int)(width * height * 0.01);
kDebug( 51000 ) << "White Level: " << perc << endl;
for (int c =0 ; c < 3 ; c++)
{
total = 0;
for (val = 65535 ; val > 256 ; --val)
if ((total += histogram[c][val]) > perc)
break;
if (white < val) white = (float)val;
}
white *= 1.0 / rawDecodingSettings.brightness;
kDebug( 51000 ) << "White Point: " << white << endl;
// Compute the Gamma lut accordingly.
for (int i=0; i < 65536; i++)
{
r = i / white;
val = (int)(65536.0 * (r <= 0.018 ? r*4.5 : pow(r,0.45)*1.099-0.099));
if (val > 65535) val = 65535;
lut[i] = val;
}
// Apply Gamma lut to the whole image.
unsigned short *im = (unsigned short *)imageData.data();
for (int i = 0; i < width*height; i++)
{
im[0] = lut[im[0]]; // Blue
im[1] = lut[im[1]]; // Green
im[2] = lut[im[2]]; // Red
im += 3;
}
}
#endif
// Use a QImage instance to write IPTC preview and Exif thumbnail
// and adapt color component order to KPWriteImage data format (RGB ==> BGR)
QImage img(width, height, QImage::Format_ARGB32);
uint* dptr = (uint*)img.bits();
uchar* sptr8 = (uchar*)imageData.data();
unsigned short* sptr16 = (unsigned short*)imageData.data();
for (int i = 0 ; i < width * height ; i++)
{
if (!sixteenBits) // 8 bits color depth image.
{
*dptr++ = qRgba(sptr8[2], sptr8[1], sptr8[0], 0xFF);
sptr8 += 3;
}
else // 16 bits color depth image.
{
*dptr++ = qRgba((uchar)((sptr16[2] * 255UL)/65535UL),
(uchar)((sptr16[1] * 255UL)/65535UL),
(uchar)((sptr16[0] * 255UL)/65535UL),
0xFF);
sptr16 += 3;
}
}
QImage iptcPreview = img.scaled(1280, 1024, Qt::KeepAspectRatio);
QImage exifThumbnail = iptcPreview.scaled(160, 120, Qt::KeepAspectRatio);
// -- Write image data into destination file -------------------------------
QByteArray prof = KIPIPlugins::KPWriteImage::getICCProfilFromFile(m_rawDecodingSettings.outputColorSpace);
QString soft = QString("Kipi Raw Converter v.%1").arg(kipiplugins_version);
QFileInfo fi(filePath);
destPath = fi.absolutePath() + QString("/") + ".kipi-rawconverter-tmp-"
+ QString::number(QDateTime::currentDateTime().toTime_t());
// Metadata restoration and update.
KExiv2Iface::KExiv2 meta;
#if KEXIV2_VERSION >= 0x000600
meta.setUpdateFileTimeStamp(m_updateFileTimeStamp);
#endif
meta.load(filePath);
meta.setImageProgramId(QString("Kipi-plugins"), QString(kipiplugins_version));
meta.setImageDimensions(QSize(width, height));
meta.setExifThumbnail(exifThumbnail);
// Update Iptc preview.
// NOTE: see B.K.O #130525. a JPEG segment is limited to 64K. If the IPTC byte array is
// bigger than 64K duing of image preview tag size, the target JPEG image will be
// broken. Note that IPTC image preview tag is limited to 256K!!!
// There is no limitation with TIFF and PNG about IPTC byte array size.
if (outputFileFormat != SaveSettingsWidget::OUTPUT_JPEG)
meta.setImagePreview(iptcPreview);
meta.setExifTagString("Exif.Image.DocumentName", fi.fileName());
meta.setXmpTagString("Xmp.tiff.Make", meta.getExifTagString("Exif.Image.Make"));
meta.setXmpTagString("Xmp.tiff.Model", meta.getExifTagString("Exif.Image.Model"));
KIPIPlugins::KPWriteImage wImageIface;
wImageIface.setImageData(imageData, width, height, sixteenBits, false, prof, meta);
wImageIface.setCancel(&m_cancel);
switch(outputFileFormat)
{
case SaveSettingsWidget::OUTPUT_JPEG:
{
if (!wImageIface.write2JPEG(destPath)) return false;
break;
}
case SaveSettingsWidget::OUTPUT_PNG:
{
if (!wImageIface.write2PNG(destPath)) return false;
break;
}
case SaveSettingsWidget::OUTPUT_TIFF:
{
if (!wImageIface.write2TIFF(destPath)) return false;
break;
}
case SaveSettingsWidget::OUTPUT_PPM:
{
if (!wImageIface.write2PPM(destPath)) return false;
break;
}
default:
{
kDebug( 51000 ) << "Invalid output file format" << endl;
return false;
}
}
if (m_cancel)
{
::remove(QFile::encodeName(destPath));
return false;
}
return true;
}
bool Utils::updateMetadataImageMagick(const QString& src, QString& err)
{
QFileInfo finfo(src);
if (src.isEmpty() || !finfo.isReadable())
{
err = i18n("unable to open source file");
return false;
}
QImage img(src);
QImage iptcPreview = img.scaled(1280, 1024, Qt::KeepAspectRatio, Qt::SmoothTransformation);
QImage exifThumbnail = iptcPreview.scaled(160, 120, Qt::KeepAspectRatio, Qt::SmoothTransformation);
KExiv2Iface::KExiv2 meta;
meta.load(src);
meta.setImageOrientation(KExiv2Iface::KExiv2::ORIENTATION_NORMAL);
meta.setImageProgramId(QString("Kipi-plugins"), QString(kipiplugins_version));
meta.setImageDimensions(img.size());
meta.setExifThumbnail(exifThumbnail);
meta.setImagePreview(iptcPreview);
#if KEXIV2_VERSION >= 0x010000
QByteArray exifData = meta.getExifEncoded(true);
#else
QByteArray exifData = meta.getExif(true);
#endif
QByteArray iptcData = meta.getIptc(true);
QByteArray xmpData = meta.getXmp();
KTemporaryFile exifTemp;
exifTemp.setSuffix(QString("kipipluginsexif.app1"));
exifTemp.setAutoRemove(true);
if ( !exifTemp.open() )
{
err = i18n("unable to open temp file");
return false;
}
QString exifFile = exifTemp.fileName();
QDataStream streamExif( &exifTemp );
streamExif.writeRawData(exifData.data(), exifData.size());
exifTemp.close();
KTemporaryFile iptcTemp;
iptcTemp.setSuffix(QString("kipipluginsiptc.8bim"));
iptcTemp.setAutoRemove(true);
iptcTemp.open();
if ( !iptcTemp.open() )
{
err = i18n("Cannot rotate: unable to open temp file");
return false;
}
QString iptcFile = iptcTemp.fileName();
QDataStream streamIptc( &iptcTemp );
streamIptc.writeRawData(iptcData.data(), iptcData.size());
iptcTemp.close();
KTemporaryFile xmpTemp;
xmpTemp.setSuffix(QString("kipipluginsxmp.xmp"));
xmpTemp.setAutoRemove(true);
if ( !xmpTemp.open() )
{
err = i18n("unable to open temp file");
return false;
}
QString xmpFile = xmpTemp.fileName();
QDataStream streamXmp( &xmpTemp );
streamXmp.writeRawData(xmpData.data(), xmpData.size());
xmpTemp.close();
KProcess process;
process.clearProgram();
process << "mogrify";
process << "-profile";
process << exifFile;
process << "-profile";
process << iptcFile;
process << "-profile";
process << xmpFile;
process << src + QString("[0]");
kDebug() << "ImageMagick Command line: " << process.program();
process.start();
if (!process.waitForFinished())
return false;
if (process.exitStatus() != QProcess::NormalExit)
return false;
switch (process.exitCode())
{
case 0: // Process finished successfully !
{
return true;
break;
}
case 15: // process aborted !
{
return false;
break;
}
}
// Processing error !
m_stdErr = process.readAllStandardError();
err = i18n("Cannot update metadata: %1", m_stdErr.replace('\n', ' '));
return false;
}