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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
#include "scimgdataloader.h"
ScImgDataLoader::ScImgDataLoader(void)
{
initialize();
}
void ScImgDataLoader::initialize(void)
{
m_msgType = noMsg;
m_message.resize(0);
m_image = QImage();
m_imageInfoRecord.init();
m_embeddedProfile.resize(0);
m_profileComponents = 0;
}
void ScImgDataLoader::setRequest(bool valid, QMap<int, ImageLoadRequest> req)
{
m_imageInfoRecord.RequestProps = req;
m_imageInfoRecord.isRequest = valid;
}
bool ScImgDataLoader::supportFormat(const QString& fmt)
{
QString format = fmt.toLower();
return (m_supportedFormats.contains(format));
}
QString ScImgDataLoader::getPascalString(QDataStream & s)
{
uchar len, tmp;
uint adj;
QString ret = "";
s >> len;
if (len == 0)
{
s >> tmp;
return ret;
}
for( int i = 0; i < len; i++ )
{
s >> tmp;
ret += QChar(tmp);
}
adj = (ret.length()+1) % 2;
s.device()->seek( s.device()->pos() + adj );
return ret;
}
void ScImgDataLoader::swapRGBA()
{
for (int i = 0; i < m_image.height(); ++i)
{
unsigned int *ptr = (unsigned int *) m_image.scanLine(i);
unsigned char r, b;
for (int j = 0; j < m_image.width(); ++j)
{
unsigned char *p = (unsigned char *) ptr;
r = p[0];
b = p[2];
p[2] = r;
p[0] = b;
ptr++;
}
}
}
void ScImgDataLoader::swapRGBA(QImage *img)
{
for (int i = 0; i < img->height(); ++i)
{
unsigned int *ptr = (unsigned int *) img->scanLine(i);
unsigned char r, b;
for (int j = 0; j < img->width(); ++j)
{
unsigned char *p = (unsigned char *) ptr;
r = p[0];
b = p[2];
p[2] = r;
p[0] = b;
ptr++;
}
}
}
double ScImgDataLoader::decodePSDfloat(uint data)
{
double ret = 0.0;
char man = (data & 0xFF000000) >> 24;
if (man >= 0)
{
ret = (data & 0x00FFFFFF) / 16777215.0;
ret = (ret + man);
}
else
{
ret = (~data & 0x00FFFFFF) / 16777215.0;
ret = (ret + ~man) * -1;
}
return ret;
}
void ScImgDataLoader::parseRessourceData( QDataStream & s, const PSDHeader & header, uint size )
{
uint signature, resSize, offset, resBase, vRes, hRes, adj;
ushort resID, hResUnit, vResUnit, dummyW;
QString resName;
uchar filler;
offset = 0;
bool first = false;
bool pathOpen = false;
FPoint firstPoint, firstControl;
FPointArray clip2;
while ((offset + 6)< size)
{
s >> signature;
offset += 4;
if(((signature >> 24)&0xff) != '8' ||
((signature >> 16)&0xff) != 'B' ||
((signature >> 8)&0xff) != 'I' ||
((signature )&0xff) != 'M' )
break;
s >> resID;
offset += 2;
adj = s.device()->pos();
resName = getPascalString(s);
offset += s.device()->pos() - adj;
s >> resSize;
if(offset + resSize > size)
break;
resBase = s.device()->pos();
if ( (resID >= 0x07d0) && (resID <= 0x0bb6) )
{
short type;
uint data;
double frac1, frac2, frac3, frac4, frac5, frac6;
uint offset2;
offset2 = 0;
first = false;
pathOpen = false;
clip2.resize(0);
while (offset2 < resSize)
{
s >> type;
s >> data;
frac1 = decodePSDfloat(data) * header.height;
s >> data;
frac2 = decodePSDfloat(data) * header.width;
s >> data;
frac3 = decodePSDfloat(data) * header.height;
s >> data;
frac4 = decodePSDfloat(data) * header.width;
s >> data;
frac5 = decodePSDfloat(data) * header.height;
s >> data;
frac6 = decodePSDfloat(data) * header.width;
switch (type)
{
case 0:
case 3:
if (pathOpen)
{
clip2.addPoint(firstPoint);
clip2.addPoint(firstControl);
clip2.setMarker();
}
pathOpen = false;
first = true;
break;
case 1:
case 2:
case 4:
case 5:
if (first)
{
firstControl = FPoint(frac2, frac1);
firstPoint = FPoint(frac4, frac3);
clip2.addPoint(FPoint(frac4, frac3));
clip2.addPoint(FPoint(frac6, frac5));
}
else
{
clip2.addPoint(frac4, frac3);
clip2.addPoint(frac2, frac1);
clip2.addPoint(frac4, frac3);
clip2.addPoint(frac6, frac5);
}
pathOpen = true;
first = false;
break;
case 6:
first = true;
break;
default:
break;
}
offset2 += 26;
}
clip2.addPoint(firstPoint);
clip2.addPoint(firstControl);
m_imageInfoRecord.PDSpathData.insert(resName, clip2.copy());
m_imageInfoRecord.valid = true;
}
else
{
switch (resID)
{
case 0x0bb7:
adj = s.device()->pos();
m_imageInfoRecord.clipPath = getPascalString(s);
offset += s.device()->pos() - adj;
break;
case 0x03ed:
s >> hRes;
s >> hResUnit;
s >> dummyW;
s >> vRes;
s >> vResUnit;
s >> dummyW;
m_imageInfoRecord.xres = qRound(hRes / 65536.0);
m_imageInfoRecord.yres = qRound(vRes / 65536.0);
break;
case 0x040f:
m_embeddedProfile.resize(resSize);
s.readRawData(m_embeddedProfile.data(), resSize);
break;
case 0x0409:
case 0x040C:
{
uint thdummy, thsize;
s >> thdummy;
s >> thdummy;
s >> thdummy;
s >> thdummy;
s >> thdummy;
s >> thsize;
s >> thdummy;
char* buffer = (char*)malloc(thsize);
s.readRawData(buffer, thsize);
QImage imth;
imth.loadFromData((const uchar*)buffer, thsize, "JPEG");
imth.convertToFormat(QImage::Format_ARGB32);
if (resID == 0x0409)
m_imageInfoRecord.exifInfo.thumbnail = imth.rgbSwapped();
else
m_imageInfoRecord.exifInfo.thumbnail = imth;
m_imageInfoRecord.exifInfo.width = imth.width();
m_imageInfoRecord.exifInfo.height = imth.height();
m_imageInfoRecord.exifDataValid = true;
free(buffer);
}
default:
break;
}
}
if (resBase + resSize <= size) {
s.device()->seek( resBase + resSize );
offset += resSize;
}
if (resSize & 1)
{
s >> filler;
offset += 1;
}
}
if(offset<size)
s.device()->seek( size );
}
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