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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.
*/
#ifndef SCFACE_PS_H
#define SCFACE_PS_H
#include <QString>
#include <QStringList>
#include <QFont>
#include <QMap>
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_OUTLINE_H
#include FT_GLYPH_H
#include "scribusapi.h"
#include "fpointarray.h"
#include "scconfig.h"
/*
Class ScFace_postscript
Subclass of ScFace, for PostScript fonts that could possibly have a .afm file
associated with them for metrics information.
*/
class ScFace_postscript : public FtFace
{
public:
ScFace_postscript(QString fam, QString sty, QString alt, QString scname, QString psname, QString path, int face) :
FtFace(fam,sty,alt,scname,psname,path,face)
{
isFixedPitch = false;
typeCode = ScFace::TYPE1;
}
virtual QStringList findFontMetrics(const QString& fontPath) const;
virtual QStringList findFontMetrics(const QString& baseDir, const QString& baseName) const;
virtual bool loadFontMetrics(FT_Face face, const QString& fontPath) const;
virtual void load() const // routine by Franz Schmid - modified by Alastair M. Robinson
{
FtFace::load();
// bool error;
FT_Face face = ftFace();
if (!face)
{
const_cast<ScFace_postscript*>(this)->usable = false;
qDebug("%s", QObject::tr("Font %1 is broken (no Face), discarding it").arg(fontFile).toLocal8Bit().constData());
return;
}
if (loadFontMetrics(face, fontFile))
{
// re-initialize: ScFaceData::load() just clears caches,
// FtFace::load() skips FT_New_Face if m_face is already defined.
// dont mind checking glyphs again for now (PS files have only 255 glyphs max, anyway)
FtFace::load();
}
// Ascent = tmp.setNum(face->ascender);
// Descender = tmp.setNum(face->descender);
// CapHeight = Ascent;
// ItalicAngle = "0";
// StdVW = "1";
// FontBBox = tmp.setNum(face->bbox.xMin)+" "+tmp2.setNum(face->bbox.yMin)+" "+tmp3.setNum(face->bbox.xMax)+" "+tmp4.setNum(face->bbox.yMax);
/*
setBestEncoding(face);
gindex = 0;
charcode = FT_Get_First_Char( face, &gindex );
int goodGlyph = 0;
int invalidGlyph = 0;
while ( gindex != 0 )
{
error = FT_Load_Glyph( face, gindex, FT_LOAD_NO_SCALE | FT_LOAD_NO_BITMAP );
if (error)
{
++invalidGlyph;
sDebug(QObject::tr("Font %1 has broken glyph %2 (charcode %3)").arg(fontPath()).arg(gindex).arg(charcode));
charcode = FT_Get_Next_Char( face, charcode, &gindex );
continue;
}
++goodGlyph;
qreal ww = face->glyph->metrics.horiAdvance / uniEM;
if (face->glyph->format == FT_GLYPH_FORMAT_PLOTTER)
isStroked = true;
error = false;
outlines = traceChar(face, charcode, 10, &x, &y, &error);
if (!error)
{
CharWidth.insert(charcode, ww);
GRec.Outlines = outlines.copy();
GRec.x = x;
GRec.y = y;
GlyphArray.insert(charcode, GRec);
}
charcode = FT_Get_Next_Char( face, charcode, &gindex );
}
*/
}
};
/*
Class ScFace_pfb
Subclass of ScFace, specifically for Adobe type 1 .pfb fonts.
Implements: RealName() and EmbedFont().
*/
class ScFace_pfb : public ScFace_postscript
{
public:
ScFace_pfb(QString fam, QString sty, QString alt, QString scname, QString psname, QString path, int face) :
ScFace_postscript(fam,sty,alt,scname,psname,path,face)
{
formatCode = ScFace::PFB;
}
virtual bool EmbedFont(QString &str) const
{
QByteArray bb;
RawData(bb);
QString tmp2 = "";
if ((bb.size() > 2) && (bb[0] == char(0x80)) && (static_cast<int>(bb[1]) == 1))
{
QString tmp3="";
QString tmp4 = "";
int posi,cxxc=0;
for (posi = 6; posi < bb.size(); ++posi)
{
if ((bb[posi] == char(0x80)) && (posi+1 < bb.size()) && (static_cast<int>(bb[posi+1]) == 2))
break;
str += bb[posi];
}
int ulen;
if (posi+6 < bb.size())
{
ulen = bb[posi+2] & 0xff;
ulen |= (bb[posi+3] << 8) & 0xff00;
ulen |= (bb[posi+4] << 16) & 0xff0000;
ulen |= (bb[posi+5] << 24) & 0xff000000;
posi += 6;
if (posi + ulen > bb.size())
ulen = bb.size() - posi - 1;
char linebuf[80];
cxxc=0;
for (int j = 0; j < ulen; ++j)
{
unsigned char u=bb[posi];
linebuf[cxxc]=((u >> 4) & 15) + '0';
if(u>0x9f) linebuf[cxxc]+='a'-':';
++cxxc;
u&=15; linebuf[cxxc]=u + '0';
if(u>0x9) linebuf[cxxc]+='a'-':';
++posi;
++cxxc;
if (cxxc > 72)
{
linebuf[cxxc++]='\n';
linebuf[cxxc++]=0;
str += linebuf;
cxxc = 0;
}
}
linebuf[cxxc]=0;
str += linebuf;
str += "\n";
}
posi += 6;
for (int j = posi; j < bb.size(); ++j)
{
if ((bb[j] == static_cast<char>(0x80)) && (j+1 < bb.size()) && (static_cast<int>(bb[j+1]) == 3))
break;
if(bb[j]=='\r')
str+="\n";
else
str += bb[j];
}
str += "\n";
cxxc = 0;
return true;
}
else
{
qDebug("%s", QObject::tr("Font %1 cannot be read, no embedding").arg(fontFile).toLatin1().constData());
return false;
}
}
};
/*
Class ScFace_pfa
Subclass of ScFace, specifically for Adobe type 1 and type 3 .pfa fonts.
Implements: RealName() and EmbedFont().
*/
class ScFace_pfa : public ScFace_postscript
{
public:
ScFace_pfa(QString fam, QString sty, QString alt, QString scname, QString psname, QString path, int face) :
ScFace_postscript(fam,sty,alt,scname,psname,path,face)
{
formatCode = ScFace::PFA;
}
virtual bool EmbedFont(QString &str) const
{
QByteArray bb;
RawData(bb);
if (bb.size() > 2 && bb[0] == '%' && bb[1] == '!')
{
// this is ok since bb will not contain '\0'
str.append(bb);
return true;
}
qDebug("%s", QObject::tr("Font %1 cannot be read, no embedding").arg(fontFile).toLatin1().constData());
return false;
}
};
#endif
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