bool PGFLoader::save(const QString& filePath, DImgLoaderObserver* const observer)
{
m_observer = observer;
#ifdef WIN32
#ifdef UNICODE
HANDLE fd = CreateFile((LPCWSTR)(QFile::encodeName(filePath).constData()), GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0);
#else
HANDLE fd = CreateFile(QFile::encodeName(filePath).constData(), GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0);
#endif
if (fd == INVALID_HANDLE_VALUE)
{
qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Error: Could not open destination file.";
return false;
}
#elif defined(__POSIX__)
int fd = open(QFile::encodeName(filePath).constData(), O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd == -1)
{
qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Error: Could not open destination file.";
return false;
}
#endif
try
{
QVariant qualityAttr = imageGetAttribute(QLatin1String("quality"));
int quality = qualityAttr.isValid() ? qualityAttr.toInt() : 3;
qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF quality: " << quality;
CPGFFileStream stream(fd);
CPGFImage pgf;
PGFHeader header;
header.width = imageWidth();
header.height = imageHeight();
header.quality = quality;
if (imageHasAlpha())
{
if (imageSixteenBit())
{
// NOTE : there is no PGF color mode in 16 bits with alpha.
header.channels = 3;
header.bpp = 48;
header.mode = ImageModeRGB48;
}
else
{
header.channels = 4;
header.bpp = 32;
header.mode = ImageModeRGBA;
}
}
else
{
if (imageSixteenBit())
{
header.channels = 3;
header.bpp = 48;
header.mode = ImageModeRGB48;
}
else
{
header.channels = 3;
header.bpp = 24;
header.mode = ImageModeRGBColor;
}
}
#ifdef PGFCodecVersionID
# if PGFCodecVersionID < 0x061142
header.background.rgbtBlue = 0;
header.background.rgbtGreen = 0;
header.background.rgbtRed = 0;
# endif
#endif
pgf.SetHeader(header);
// NOTE: see bug #273765 : Loading PGF thumbs with OpenMP support through a separated thread do not work properlly with libppgf 6.11.24
pgf.ConfigureEncoder(false);
pgf.ImportBitmap(4 * imageWidth() * (imageSixteenBit() ? 2 : 1),
(UINT8*)imageData(),
imageBitsDepth() * 4,
NULL,
CallbackForLibPGF, this);
UINT32 nWrittenBytes = 0;
#ifdef PGFCodecVersionID
# if PGFCodecVersionID >= 0x061124
pgf.Write(&stream, &nWrittenBytes, CallbackForLibPGF, this);
# endif
#else
pgf.Write(&stream, 0, CallbackForLibPGF, &nWrittenBytes, this);
#endif
qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF width = " << header.width;
qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF height = " << header.height;
qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF bbp = " << header.bpp;
qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF channels = " << header.channels;
qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF quality = " << header.quality;
qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF mode = " << header.mode;
qCDebug(DIGIKAM_DIMG_LOG_PGF) << "Bytes Written = " << nWrittenBytes;
#ifdef WIN32
CloseHandle(fd);
#else
close(fd);
#endif
// TODO: Store ICC profile in an appropriate place in the image
storeColorProfileInMetadata();
if (observer)
{
observer->progressInfo(m_image, 1.0);
}
imageSetAttribute(QLatin1String("savedformat"), QLatin1String("PGF"));
saveMetadata(filePath);
return true;
}
catch (IOException& e)
{
int err = e.error;
if (err >= AppError)
{
err -= AppError;
}
qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Error: Opening and saving PGF image failed (" << err << ")!";
#ifdef WIN32
CloseHandle(fd);
#else
close(fd);
#endif
return false;
}
return true;
}
bool writePGFImageDataToStream(const QImage& image, CPGFStream& stream, int quality, UINT32& nWrittenBytes, bool verbose)
{
try
{
if (image.isNull())
{
kDebug() << "Thumb image is null";
return false;
}
QImage img;
// Convert image with Alpha channel.
if (image.format() != QImage::Format_ARGB32)
{
img = image.convertToFormat(QImage::Format_ARGB32);
if (verbose) kDebug() << "RGB => ARGB";
}
else
{
img = image;
}
CPGFImage pgfImg;
PGFHeader header;
header.width = img.width();
header.height = img.height();
header.nLevels = 0; // Auto.
header.quality = quality;
header.bpp = img.depth();
header.channels = 4;
header.mode = ImageModeRGBA;
header.usedBitsPerChannel = 0; // Auto
#ifdef PGFCodecVersionID
# if PGFCodecVersionID < 0x061142
header.background.rgbtBlue = 0;
header.background.rgbtGreen = 0;
header.background.rgbtRed = 0;
# endif
#endif
pgfImg.SetHeader(header);
// NOTE: see bug #273765 : Loading PGF thumbs with OpenMP support through a separated thread do not work properlly with libppgf 6.11.24
pgfImg.ConfigureEncoder(false);
if (verbose)
{
kDebug() << "PGF image settings:";
kDebug() << " width: " << header.width;
kDebug() << " height: " << header.height;
kDebug() << " nLevels: " << header.nLevels;
kDebug() << " quality: " << header.quality;
kDebug() << " bpp: " << header.bpp;
kDebug() << " channels: " << header.channels;
kDebug() << " mode: " << header.mode;
kDebug() << " usedBitsPerChannel: " << header.usedBitsPerChannel;
}
if (QSysInfo::ByteOrder == QSysInfo::BigEndian)
{
int map[] = {3, 2, 1, 0};
pgfImg.ImportBitmap(img.bytesPerLine(), (UINT8*)img.bits(), img.depth(), map);
}
else
{
int map[] = {0, 1, 2, 3};
pgfImg.ImportBitmap(img.bytesPerLine(), (UINT8*)img.bits(), img.depth(), map);
}
nWrittenBytes = 0;
#ifdef PGFCodecVersionID
# if PGFCodecVersionID >= 0x061124
pgfImg.Write(&stream, &nWrittenBytes);
# else
pgfImg.Write(&stream, 0, 0, &nWrittenBytes);
# endif
#else
pgfImg.Write(&stream, 0, 0, &nWrittenBytes);
#endif
}
catch (IOException& e)
{
int err = e.error;
if (err >= AppError)
{
err -= AppError;
}
kDebug() << "Error running libpgf (" << err << ")!";
return false;
}
return true;
}