void ScImgDataLoader_JPEG::loadEmbeddedProfile(const QString& fn, int /*page*/)
{
m_embeddedProfile.resize(0);
m_profileComponents = 0;
if (!QFile::exists(fn))
return;
struct jpeg_decompress_struct cinfo;
struct my_error_mgr jerr;
FILE *infile;
cinfo.err = jpeg_std_error (&jerr.pub);
jerr.pub.error_exit = my_error_exit;
infile = NULL;
if (setjmp (jerr.setjmp_buffer))
{
jpeg_destroy_decompress (&cinfo);
if (infile)
fclose (infile);
return;
}
jpeg_create_decompress (&cinfo);
if ((infile = fopen (fn.toLocal8Bit(), "rb")) == NULL)
return;
jpeg_stdio_src(&cinfo, infile);
jpeg_save_markers(&cinfo, ICC_MARKER, 0xFFFF);
jpeg_read_header(&cinfo, true);
//jpeg_start_decompress(&cinfo);
unsigned int EmbedLen = 0;
unsigned char* EmbedBuffer;
if (read_jpeg_marker(ICC_MARKER,&cinfo, &EmbedBuffer, &EmbedLen))
{
cmsHPROFILE prof = cmsOpenProfileFromMem(EmbedBuffer, EmbedLen);
if (prof)
{
if (static_cast<int>(cmsGetColorSpace(prof)) == icSigRgbData)
m_profileComponents = 3;
if (static_cast<int>(cmsGetColorSpace(prof)) == icSigCmykData)
m_profileComponents = 4;
if (static_cast<int>(cmsGetColorSpace(prof)) == icSigGrayData)
m_profileComponents = 1;
m_embeddedProfile = QByteArray((const char*) EmbedBuffer, EmbedLen);
}
cmsCloseProfile(prof);
free(EmbedBuffer);
}
//(void) jpeg_finish_decompress(&cinfo);
fclose (infile);
jpeg_destroy_decompress (&cinfo);
}
void ScImgDataLoader_JPEG::loadEmbeddedProfile(const QString& fn, int /*page*/)
{
m_embeddedProfile.resize(0);
m_profileComponents = 0;
if (!QFile::exists(fn))
return;
struct jpeg_decompress_struct cinfo;
struct my_error_mgr jerr;
FILE *infile;
cinfo.err = jpeg_std_error (&jerr.pub);
jerr.pub.error_exit = my_error_exit;
infile = NULL;
if (setjmp (jerr.setjmp_buffer))
{
jpeg_destroy_decompress (&cinfo);
if (infile)
fclose (infile);
return;
}
jpeg_create_decompress (&cinfo);
if ((infile = fopen (fn.toLocal8Bit(), "rb")) == NULL)
return;
jpeg_stdio_src(&cinfo, infile);
jpeg_save_markers(&cinfo, ICC_MARKER, 0xFFFF);
jpeg_read_header(&cinfo, true);
unsigned int EmbedLen = 0;
unsigned char* EmbedBuffer;
if (read_jpeg_marker(ICC_MARKER,&cinfo, &EmbedBuffer, &EmbedLen))
{
QByteArray profArray = QByteArray((const char*) EmbedBuffer, EmbedLen);
ScColorProfile prof = ScColorMgmtEngine::openProfileFromMem(profArray);
if (prof)
{
if (prof.colorSpace() == ColorSpace_Rgb)
m_profileComponents = 3;
if (prof.colorSpace() == ColorSpace_Cmyk)
m_profileComponents = 4;
if (prof.colorSpace() == ColorSpace_Gray)
m_profileComponents = 1;
m_embeddedProfile = profArray;
}
free(EmbedBuffer);
}
fclose (infile);
jpeg_destroy_decompress (&cinfo);
}
bool ScImgDataLoader_JPEG::loadPicture(const QString& fn, int /*page*/, int res, bool thumbnail)
{
bool isCMYK = false;
bool fromPS = false;
float xres = 72.0, yres = 72.0;
if (!QFile::exists(fn))
return false;
ExifData ExifInf;
struct jpeg_decompress_struct cinfo;
struct my_error_mgr jerr;
FILE *infile;
cinfo.err = jpeg_std_error (&jerr.pub);
jerr.pub.error_exit = my_error_exit;
infile = NULL;
initialize();
m_imageInfoRecord.type = ImageTypeJPG;
m_imageInfoRecord.exifInfo.thumbnail = QImage();
if (setjmp (jerr.setjmp_buffer))
{
jpeg_destroy_decompress (&cinfo);
if (infile)
fclose (infile);
return false;
}
jpeg_create_decompress (&cinfo);
if ((infile = fopen (fn.toLocal8Bit(), "rb")) == NULL)
return false;
jpeg_stdio_src(&cinfo, infile);
jpeg_save_markers(&cinfo, ICC_MARKER, 0xFFFF);
jpeg_save_markers(&cinfo, PHOTOSHOP_MARKER, 0xFFFF);
jpeg_read_header(&cinfo, true);
jpeg_start_decompress(&cinfo);
bool exi = ExifInf.scan(fn);
if ((exi) && (ExifInf.exifDataValid))
{
if (cinfo.output_components == 4)
m_imageInfoRecord.colorspace = ColorSpaceCMYK;
else if (cinfo.output_components == 3)
m_imageInfoRecord.colorspace = ColorSpaceRGB;
else if (cinfo.output_components == 1)
m_imageInfoRecord.colorspace = ColorSpaceGray;
if ((!ExifInf.Thumbnail.isNull()) && thumbnail)
{
m_image = ExifInf.getThumbnail();
m_imageInfoRecord.exifInfo.thumbnail = ExifInf.getThumbnail();
if (cinfo.output_components == 4)
{
QRgb *s;
unsigned char cc, cm, cy, ck;
for( int yit=0; yit < m_image.height(); ++yit )
{
s = (QRgb*)(m_image.scanLine( yit ));
for(int xit=0; xit < m_image.width(); ++xit )
{
cc = 255 - qRed(*s);
cm = 255 - qGreen(*s);
cy = 255 - qBlue(*s);
ck = qMin(qMin(cc, cm), cy);
*s = qRgba(cc-ck,cm-ck,cy-ck,ck);
s++;
}
}
}
}
else
m_imageInfoRecord.exifInfo.thumbnail = QImage();
m_imageInfoRecord.exifInfo.cameraName = ExifInf.getCameraModel();
m_imageInfoRecord.exifInfo.cameraVendor = ExifInf.getCameraMake();
m_imageInfoRecord.exifInfo.comment = ExifInf.getComment();
m_imageInfoRecord.exifInfo.width = ExifInf.getWidth();
m_imageInfoRecord.exifInfo.height = ExifInf.getHeight();
m_imageInfoRecord.exifInfo.userComment = ExifInf.getUserComment();
m_imageInfoRecord.exifInfo.dateTime = ExifInf.getDateTime();
m_imageInfoRecord.exifInfo.ApertureFNumber = ExifInf.getApertureFNumber();
m_imageInfoRecord.exifInfo.ExposureTime = ExifInf.getExposureTime();
m_imageInfoRecord.exifInfo.ISOequivalent = ExifInf.getISOequivalent();
m_imageInfoRecord.exifDataValid = true;
if (cinfo.density_unit == 0)
{
xres = 72;
yres = 72;
}
else if ( cinfo.density_unit == 1 )
{
xres = cinfo.X_density;
yres = cinfo.Y_density;
}
else if ( cinfo.density_unit == 2 )
{
xres = cinfo.X_density * 2.54;
yres = cinfo.Y_density * 2.54;
}
if( xres <= 1.0 || yres <= 1.0 || xres > 3000.0 || yres > 3000.0 )
{
xres = yres = 72.0;
QFileInfo qfi(fn);
m_message = QObject::tr("%1 may be corrupted : missing or wrong resolution tags").arg(qfi.fileName());
m_msgType = warningMsg;
}
m_imageInfoRecord.xres = qRound(xres);
m_imageInfoRecord.yres = qRound(yres);
m_imageInfoRecord.progressive = jpeg_has_multiple_scans(&cinfo);
if ((!ExifInf.Thumbnail.isNull()) && thumbnail)
{
jpeg_destroy_decompress(&cinfo);
fclose(infile);
return true;
}
}
else
m_imageInfoRecord.exifDataValid = false;
m_imageInfoRecord.exifInfo.thumbnail = QImage();
unsigned int EmbedLen = 0;
unsigned char* EmbedBuffer;
if (read_jpeg_marker(ICC_MARKER,&cinfo, &EmbedBuffer, &EmbedLen))
{
QByteArray profArray = QByteArray((const char*) EmbedBuffer, EmbedLen);
ScColorProfile prof = ScColorMgmtEngine::openProfileFromMem(profArray);
m_embeddedProfile = profArray;
m_imageInfoRecord.profileName = prof.productDescription();
m_imageInfoRecord.isEmbedded = true;
free(EmbedBuffer);
}
else
{
m_imageInfoRecord.isEmbedded = false;
m_imageInfoRecord.profileName = "";
}
unsigned int PhotoshopLen = 0;
unsigned char * PhotoshopBuffer;
if (cinfo.density_unit == 0)
{
xres = 72;
yres = 72;
m_image.setDotsPerMeterX(2834);
m_image.setDotsPerMeterY(2834);
}
else if ( cinfo.density_unit == 1 )
{
xres = cinfo.X_density;
yres = cinfo.Y_density;
m_image.setDotsPerMeterX( int(100. * cinfo.X_density / 2.54) );
m_image.setDotsPerMeterY( int(100. * cinfo.Y_density / 2.54) );
}
else if ( cinfo.density_unit == 2 )
{
xres = cinfo.X_density * 2.54;
yres = cinfo.Y_density * 2.54;
m_image.setDotsPerMeterX( int(100. * cinfo.X_density) );
m_image.setDotsPerMeterY( int(100. * cinfo.Y_density) );
}
if( xres <= 1.0 || yres <= 1.0 || xres > 3000.0 || yres > 3000.0 )
{
xres = yres = 72.0;
m_image.setDotsPerMeterX(2834);
m_image.setDotsPerMeterY(2834);
QFileInfo qfi(fn);
m_message = QObject::tr("%1 may be corrupted : missing or wrong resolution tags").arg(qfi.fileName());
m_msgType = warningMsg;
}
m_imageInfoRecord.xres = qRound(xres);
m_imageInfoRecord.yres = qRound(yres);
if (cinfo.output_components == 4)
{
isCMYK = true;
m_imageInfoRecord.colorspace = ColorSpaceCMYK;
}
else if (cinfo.output_components == 3)
m_imageInfoRecord.colorspace = ColorSpaceRGB;
else if (cinfo.output_components == 1)
m_imageInfoRecord.colorspace = ColorSpaceGray;
m_imageInfoRecord.progressive = jpeg_has_multiple_scans(&cinfo);
if (read_jpeg_marker(PHOTOSHOP_MARKER,&cinfo, &PhotoshopBuffer, &PhotoshopLen) )
{
if (PhotoshopLen != 0)
{
bool savEx = m_imageInfoRecord.exifDataValid;
QByteArray arrayPhot(PhotoshopLen, ' ');
arrayPhot = QByteArray::fromRawData((const char*)PhotoshopBuffer,PhotoshopLen);
QDataStream strPhot(&arrayPhot,QIODevice::ReadOnly);
strPhot.setByteOrder( QDataStream::BigEndian );
PSDHeader fakeHeader;
fakeHeader.width = cinfo.output_width;
fakeHeader.height = cinfo.output_height;
if (cinfo.output_components == 4)
m_imageInfoRecord.colorspace = ColorSpaceCMYK;
else if (cinfo.output_components == 3)
m_imageInfoRecord.colorspace = ColorSpaceRGB;
else if (cinfo.output_components == 1)
m_imageInfoRecord.colorspace = ColorSpaceGray;
m_imageInfoRecord.progressive = jpeg_has_multiple_scans(&cinfo);
parseRessourceData(strPhot, fakeHeader, PhotoshopLen);
// Photoshop resolution is more accurate than jpeg header resolution
xres = m_imageInfoRecord.xres;
yres = m_imageInfoRecord.yres;
m_image.setDotsPerMeterX( int(100. * m_imageInfoRecord.xres / 2.54) );
m_image.setDotsPerMeterY( int(100. * m_imageInfoRecord.yres / 2.54) );
if( xres <= 1.0 || yres <= 1.0 || xres > 3000.0 || yres > 3000.0 )
{
xres = yres = 72.0;
m_imageInfoRecord.xres = qRound(xres);
m_imageInfoRecord.yres = qRound(yres);
m_image.setDotsPerMeterX(2834);
m_image.setDotsPerMeterY(2834);
QFileInfo qfi(fn);
m_message = QObject::tr("%1 may be corrupted : missing or wrong resolution tags").arg(qfi.fileName());
m_msgType = warningMsg;
}
if (m_imageInfoRecord.exifDataValid && !m_imageInfoRecord.exifInfo.thumbnail.isNull() && thumbnail)
{
m_image = QImage(m_imageInfoRecord.exifInfo.width, m_imageInfoRecord.exifInfo.height, QImage::Format_ARGB32 );
m_imageInfoRecord.exifInfo.width = cinfo.output_width;
m_imageInfoRecord.exifInfo.height = cinfo.output_height;
if (cinfo.output_components == 4)
{
QRgb *d;
QRgb *s;
unsigned char cc, cm, cy, ck;
for( int yit=0; yit < m_image.height(); ++yit )
{
d = (QRgb*)(m_image.scanLine( yit ));
s = (QRgb*)(m_imageInfoRecord.exifInfo.thumbnail.scanLine( yit ));
for(int xit=0; xit < m_image.width(); ++xit )
{
cc = 255 - qRed(*s);
cm = 255 - qGreen(*s);
cy = 255 - qBlue(*s);
ck = qMin(qMin(cc, cm), cy);
*d = qRgba(cc-ck,cm-ck,cy-ck,ck);
s++;
d++;
}
}
}
else
m_image = m_imageInfoRecord.exifInfo.thumbnail.copy();
}
m_imageInfoRecord.valid = (m_imageInfoRecord.PDSpathData.size())>0?true:false; // The only interest is vectormask
arrayPhot.clear();
free( PhotoshopBuffer );
if (m_imageInfoRecord.exifDataValid && !m_imageInfoRecord.exifInfo.thumbnail.isNull() && thumbnail)
{
jpeg_destroy_decompress(&cinfo);
fclose(infile);
return true;
}
m_imageInfoRecord.exifInfo.thumbnail = QImage();
m_imageInfoRecord.exifDataValid = savEx;
fromPS = true;
}
}
if ( cinfo.output_components == 3 || cinfo.output_components == 4)
m_image = QImage( cinfo.output_width, cinfo.output_height, QImage::Format_ARGB32 );
else if ( cinfo.output_components == 1 )
{
m_image = QImage( cinfo.output_width, cinfo.output_height, QImage::Format_Indexed8 );
m_image.setNumColors(256);
for (int i=0; i<256; i++)
m_image.setColor(i, qRgb(i,i,i));
}
if (!m_image.isNull())
{
uchar* data = m_image.bits();
int bpl = m_image.bytesPerLine();
while (cinfo.output_scanline < cinfo.output_height)
{
uchar *d = data + cinfo.output_scanline * bpl;
(void) jpeg_read_scanlines(&cinfo, &d, 1);
}
if ( cinfo.output_components == 3 )
{
uchar *in;
QRgb *out;
for (uint j=0; j<cinfo.output_height; j++)
{
in = m_image.scanLine(j) + cinfo.output_width * 3;
out = (QRgb*) m_image.scanLine(j);
for (uint i=cinfo.output_width; i--; )
{
in -= 3;
out[i] = qRgb(in[0], in[1], in[2]);
}
}
}
if ( cinfo.output_components == 4 )
{
int method = 0;
if (cinfo.jpeg_color_space == JCS_YCCK)
method = 1;
else if (fromPS)
{
if ((cinfo.jpeg_color_space == JCS_CMYK) && (cinfo.saw_Adobe_marker) && (cinfo.Adobe_transform == 0))
method = 2;
}
else if ((cinfo.jpeg_color_space == JCS_CMYK) && (cinfo.saw_Adobe_marker))
method = 1;
QRgb *ptr;
unsigned char c, m, y ,k;
unsigned char *p;
for (int i = 0; i < m_image.height(); i++)
{
ptr = (QRgb*) m_image.scanLine(i);
if (method == 1)
{
for (int j = 0; j < m_image.width(); j++)
{
p = (unsigned char *) ptr;
c = p[0];
m = p[1];
y = p[2];
k = p[3];
*ptr = qRgba(255 - c, 255 - m, 255 - y, 255 - k);
ptr++;
}
}
else if (method == 2)
{
for (int j = 0; j < m_image.width(); j++)
{
p = (unsigned char *) ptr;
c = p[0];
m = p[1];
y = p[2];
k = p[3];
*ptr = qRgba(255 - c, 255 - m, 255 - y, k);
ptr++;
}
}
else
{
for (int j = 0; j < m_image.width(); j++)
{
p = (unsigned char *) ptr;
c = p[0];
m = p[1];
y = p[2];
k = p[3];
*ptr = qRgba(y, m, c, k);
ptr++;
}
}
}
isCMYK = true;
}
else
isCMYK = false;
if ( cinfo.output_components == 1 )
{
QImage tmpImg = m_image.convertToFormat(QImage::Format_ARGB32);
m_image = QImage( cinfo.output_width, cinfo.output_height, QImage::Format_ARGB32 );
QRgb *s;
QRgb *d;
for( int yi=0; yi < tmpImg.height(); ++yi )
{
s = (QRgb*)(tmpImg.scanLine( yi ));
d = (QRgb*)(m_image.scanLine( yi ));
for(int xi=0; xi < tmpImg.width(); ++xi )
{
(*d) = (*s);
s++;
d++;
}
}
}
}
(void) jpeg_finish_decompress(&cinfo);
fclose (infile);
jpeg_destroy_decompress (&cinfo);
m_imageInfoRecord.layerInfo.clear();
m_imageInfoRecord.BBoxX = 0;
m_imageInfoRecord.BBoxH = m_image.height();
return (!m_image.isNull());
}
