QImage PdfPlug::readThumbnail(QString fName)
{
QString tmp, cmd1, cmd2;
QString pdfFile = QDir::toNativeSeparators(fName);
QString tmpFile = QDir::toNativeSeparators(ScPaths::getTempFileDir() + "sc.png");
int ret = -1;
tmp.setNum(1);
QStringList args;
args.append("-r72");
args.append("-sOutputFile="+tmpFile);
args.append("-dFirstPage="+tmp);
args.append("-dLastPage="+tmp);
args.append(pdfFile);
ret = callGS(args);
if (ret == 0)
{
QImage image;
image.load(tmpFile);
QFile::remove(tmpFile);
image.setText("XSize", QString("%1").arg(image.width()));
image.setText("YSize", QString("%1").arg(image.height()));
return image;
}
return QImage();
}
bool ScImgDataLoader_PDF::preloadAlphaChannel(const QString& fn, int page, int gsRes, bool& hasAlpha)
{
float xres, yres;
// short resolutionunit = 0;
initialize();
m_imageInfoRecord.actualPageNumber = page;
hasAlpha = false;
QFileInfo fi = QFileInfo(fn);
if (!fi.exists())
return false;
QString tmp, BBox;
QString tmpFile = QDir::convertSeparators(ScPaths::getTempFileDir() + "sc.png");
QString picFile = QDir::convertSeparators(fn);
QStringList args;
xres = gsRes;
yres = gsRes;
args.append("-r"+QString::number(gsRes));
// args.append("-sOutputFile=\""+tmpFile + "\"");
args.append("-sOutputFile="+tmpFile);
args.append("-dFirstPage=" + QString::number(qMax(1, page)));
args.append("-dLastPage=" + QString::number(qMax(1, page)));
// args.append("\""+picFile+"\"");
args.append(picFile);
// qDebug() << "scimgdataloader_pdf(alpha):" << args;
int retg = callGS(args);
if (retg == 0)
{
m_image.load(tmpFile);
QFile::remove(tmpFile);
if (!ScCore->havePNGAlpha())
{
QRgb *s;
for( int yi=0; yi < m_image.height(); ++yi )
{
s = (QRgb*)(m_image.scanLine( yi ));
for(int xi=0; xi < m_image.width(); ++xi )
{
if((*s) == 0xffffffff)
(*s) &= 0x00ffffff;
s++;
}
}
}
hasAlpha = true;
return true;
}
return false;
}
QPixmap LoadPS(QString fn , const QString arguments_append)
{
const QString pdfFile = convertPath(fn);
QChar letter('A' + (qrand() % 26));
QDateTime timer1(QDateTime::currentDateTime());
const QString qttmpFile = _GSCACHE_+QString("%2_%1.png").arg(timer1.toString("yyyy-MM-dd-HH-mm-ss-zzz")).arg(letter);
QFileInfo fitmp(qttmpFile);
const int VersionGS = getGSVersion();
QFile lastaction(fitmp.absoluteFilePath());
lastaction.remove();
QPixmap pm;
int ret = -1;
QStringList args;
if (arguments_append.size() > 3)
{
args.append(arguments_append);
}
if (VersionGS >=8)
{
args.append("-sDEVICE=png16m");
args.append("-dGraphicsAlphaBits=4");
args.append("-r72");
args.append("-o");
args.append(fitmp.fileName());
args.append(pdfFile);
}
else
{
args.append("-sDEVICE=pnggray");
args.append("-r72x72");
args.append("-sOutputFile="+fitmp.fileName());
args.append("-q");
args.append(pdfFile);
}
ret = callGS(args);
//////////qDebug() << "### ret " << ret << " VersionGS->" << VersionGS;
if (ret == 0)
{
QPixmap tmpimage(fitmp.absoluteFilePath());
lastaction.remove();
return tmpimage;
}
return pm;
}
QPixmap LoadPDF(QString fn, int Page, int w )
{
QString tmp, cmd1, cmd2;
const QString pdfFile = PathConvert(fn);
const QString tmpFile = PathConvert(QDir::homePath()+"/sctodaytmps.png");
const QString qttmpFile = QDir::homePath()+"/sctodaytmps.png";
QPixmap pm;
tmp.setNum(Page);
int ret = -1;
tmp.setNum(Page);
QStringList args;
args.append("-sDEVICE=png16m");
args.append("-r72");
args.append("-dGraphicsAlphaBits=4");
args.append("-o");
args.append(tmpFile);
args.append("-dFirstPage="+tmp);
args.append("-dLastPage="+tmp);
args.append(pdfFile);
ret = callGS(args);
////////qDebug() << "### ret " << ret;
if (ret == 0)
{
QPixmap tmpimage(qttmpFile);
QPixmap penna = tmpimage.scaledToWidth(w);
tmpimage.detach();
QFile lastaction(qttmpFile);
lastaction.remove();
QPainter p;
p.begin(&penna);
p.setBrush(Qt::NoBrush);
p.setPen(QPen(QBrush(Qt::black),2,Qt::SolidLine));
p.drawRect(0, 0, penna.width(), penna.height());
p.end();
return penna;
}
return pm;
}
bool ScImgDataLoader_PDF::loadPicture(const QString& fn, int page, int gsRes, bool /*thumbnail*/)
{
QStringList args;
if (!QFile::exists(fn))
return false;
QString tmpFile = QDir::convertSeparators(ScPaths::getTempFileDir() + "sc.png");
QString picFile = QDir::convertSeparators(fn);
float xres = gsRes;
float yres = gsRes;
initialize();
m_imageInfoRecord.actualPageNumber = page;
m_imageInfoRecord.type = ImageTypePDF;
m_imageInfoRecord.exifDataValid = false;
m_imageInfoRecord.numberOfPages = 99; // FIXME
#ifdef HAVE_PODOFO
try
{
PoDoFo::PdfError::EnableDebug( false );
#if (PODOFO_VERSION == 0 && PODOFO_MINOR > 6)
PoDoFo::PdfError::EnableLogging( false );
#endif
#if (PODOFO_VERSION == 0 && PODOFO_MINOR == 5 && PODOFO_REVISION == 99) || PODOFO_MINOR > 5
PoDoFo::PdfMemDocument doc( fn.toLocal8Bit().data() );
#else
PoDoFo::PdfDocument doc( fn.toLocal8Bit().data() );
#endif
m_imageInfoRecord.numberOfPages = doc.GetPageCount();
if (page > m_imageInfoRecord.numberOfPages)
{
qDebug() << "Incorrect page number specified!";
m_imageInfoRecord.actualPageNumber = page = 0;
}
}
catch(PoDoFo::PdfError& e)
{
qDebug() << "PoDoFo error while reading page count!";
e.PrintErrorMsg();
}
#endif
args.append("-r"+QString::number(gsRes));
args.append("-sOutputFile="+tmpFile);
args.append("-dFirstPage=" + QString::number(qMax(1, page)));
args.append("-dLastPage=" + QString::number(qMax(1, page)));
args.append(picFile);
// qDebug() << "scimgdataloader_pdf:" << args;
int retg = callGS(args);
if (retg == 0)
{
m_image.load(tmpFile);
QFile::remove(tmpFile);
if (!ScCore->havePNGAlpha())
{
for( int yi=0; yi < m_image.height(); ++yi )
{
QRgb *s = (QRgb*)(m_image.scanLine( yi ));
for(int xi=0; xi < m_image.width(); ++xi )
{
if((*s) == 0xffffffff)
(*s) &= 0x00ffffff;
s++;
}
}
}
m_imageInfoRecord.BBoxX = 0;
m_imageInfoRecord.BBoxH = m_image.height();
m_imageInfoRecord.xres = qRound(gsRes);
m_imageInfoRecord.yres = qRound(gsRes);
m_imageInfoRecord.colorspace = ColorSpaceRGB;
m_image.setDotsPerMeterX ((int) (xres / 0.0254));
m_image.setDotsPerMeterY ((int) (yres / 0.0254));
return true;
}
return false;
}
