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tdebase/kcontrol/tdefontinst/lib/FcEngine.cpp

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#include <tqpainter.h>
#include <tqpixmap.h>
#include <tqfontmetrics.h>
#include <tqfile.h>
#include <tqtextstream.h>
#include <kurl.h>
#include <tdeconfig.h>
#include <tdeglobalsettings.h>
#include <tdeio/netaccess.h>
#include <math.h>
#include "FcEngine.h"
#include "KfiConstants.h"
#ifdef HAVE_XFT
#include <X11/Xlib.h>
#include <X11/Xft/Xft.h>
#include <fixx11h.h>
#endif
#define KFI_HAVE_OBLIQUE // Do we differentiate between Italic and Oblique?
#define KFI_HAVE_MEDIUM_WEIGHT // Do we differentiate between Medium and Normal weights?
#define KFI_PREVIEW_GROUP "Preview Settings"
#define KFI_PREVIEW_STRING_KEY "String"
#ifdef HAVE_XFT
#define KFI_DISPLAY(pix) (pix ? pix->x11Display() : TQPaintDevice::x11AppDisplay())
#endif
namespace KFI
{
const int CFcEngine::constScalableSizes[]={8, 10, 12, 24, 36, 48, 64, 72, 96, 0 };
const int CFcEngine::constDefaultAlphaSize=24;
static int fcWeight(int weight)
{
if(weight<FC_WEIGHT_ULTRALIGHT)
return FC_WEIGHT_THIN;
if(weight<(FC_WEIGHT_ULTRALIGHT+FC_WEIGHT_LIGHT)/2)
return FC_WEIGHT_ULTRALIGHT;
if(weight<(FC_WEIGHT_LIGHT+FC_WEIGHT_NORMAL)/2)
return FC_WEIGHT_LIGHT;
#ifdef KFI_HAVE_MEDIUM_WEIGHT
if(weight<(FC_WEIGHT_NORMAL+FC_WEIGHT_MEDIUM)/2)
return FC_WEIGHT_NORMAL;
if(weight<(FC_WEIGHT_MEDIUM+FC_WEIGHT_SEMIBOLD)/2)
return FC_WEIGHT_MEDIUM;
#else
if(weight<(FC_WEIGHT_NORMAL+FC_WEIGHT_SEMIBOLD)/2)
return FC_WEIGHT_NORMAL;
#endif
if(weight<(FC_WEIGHT_SEMIBOLD+FC_WEIGHT_BOLD)/2)
return FC_WEIGHT_SEMIBOLD;
if(weight<(FC_WEIGHT_BOLD+FC_WEIGHT_ULTRABOLD)/2)
return FC_WEIGHT_BOLD;
if(weight<(FC_WEIGHT_ULTRABOLD+FC_WEIGHT_HEAVY)/2)
return FC_WEIGHT_ULTRABOLD;
return FC_WEIGHT_HEAVY;
}
static int fcToQtWeight(int weight)
{
switch(weight)
{
case FC_WEIGHT_THIN:
return 0;
case FC_WEIGHT_ULTRALIGHT:
return TQFont::Light>>1;
case FC_WEIGHT_LIGHT:
return TQFont::Light;
default:
case FC_WEIGHT_NORMAL:
return TQFont::Normal;
case FC_WEIGHT_MEDIUM:
#ifdef KFI_HAVE_MEDIUM_WEIGHT
return (TQFont::Normal+TQFont::DemiBold)>>1;
#endif
return TQFont::Normal;
case FC_WEIGHT_SEMIBOLD:
return TQFont::DemiBold;
case FC_WEIGHT_BOLD:
return TQFont::Bold;
case FC_WEIGHT_ULTRABOLD:
return (TQFont::Bold+TQFont::Black)>>1;
case FC_WEIGHT_HEAVY:
return TQFont::Black;
}
}
#ifndef KFI_FC_NO_WIDTHS
static int fcWidth(int width)
{
if(width<FC_WIDTH_EXTRACONDENSED)
return FC_WIDTH_ULTRACONDENSED;
if(width<(FC_WIDTH_EXTRACONDENSED+FC_WIDTH_CONDENSED)/2)
return FC_WIDTH_EXTRACONDENSED;
if(width<(FC_WIDTH_CONDENSED+FC_WIDTH_SEMICONDENSED)/2)
return FC_WIDTH_CONDENSED;
if(width<(FC_WIDTH_SEMICONDENSED+FC_WIDTH_NORMAL)/2)
return FC_WIDTH_SEMICONDENSED;
if(width<(FC_WIDTH_NORMAL+FC_WIDTH_SEMIEXPANDED)/2)
return FC_WIDTH_NORMAL;
if(width<(FC_WIDTH_SEMIEXPANDED+FC_WIDTH_EXPANDED)/2)
return FC_WIDTH_SEMIEXPANDED;
if(width<(FC_WIDTH_EXPANDED+FC_WIDTH_EXTRAEXPANDED)/2)
return FC_WIDTH_EXPANDED;
if(width<(FC_WIDTH_EXTRAEXPANDED+FC_WIDTH_ULTRAEXPANDED)/2)
return FC_WIDTH_EXTRAEXPANDED;
return FC_WIDTH_ULTRAEXPANDED;
}
static int fcToQtWidth(int weight)
{
switch(weight)
{
case FC_WIDTH_ULTRACONDENSED:
return TQFont::UltraCondensed;
case FC_WIDTH_EXTRACONDENSED:
return TQFont::ExtraCondensed;
case FC_WIDTH_CONDENSED:
return TQFont::Condensed;
case FC_WIDTH_SEMICONDENSED:
return TQFont::SemiCondensed;
default:
case FC_WIDTH_NORMAL:
return TQFont::Unstretched;
case FC_WIDTH_SEMIEXPANDED:
return TQFont::SemiExpanded;
case FC_WIDTH_EXPANDED:
return TQFont::Expanded;
case FC_WIDTH_EXTRAEXPANDED:
return TQFont::ExtraExpanded;
case FC_WIDTH_ULTRAEXPANDED:
return TQFont::UltraExpanded;
}
}
#endif
static int fcSlant(int slant)
{
if(slant<FC_SLANT_ITALIC)
return FC_SLANT_ROMAN;
#ifdef KFI_HAVE_OBLIQUE
if(slant<(FC_SLANT_ITALIC+FC_SLANT_OBLIQUE)/2)
return FC_SLANT_ITALIC;
return FC_SLANT_OBLIQUE;
#else
return FC_SLANT_ITALIC;
#endif
}
static bool fcToQtSlant(int slant)
{
return FC_SLANT_ROMAN==slant ? false : true;
}
static int fcSpacing(int spacing)
{
if(spacing<FC_MONO)
return FC_PROPORTIONAL;
if(spacing<(FC_MONO+FC_CHARCELL)/2)
return FC_MONO;
return FC_CHARCELL;
}
static int strToWeight(const TQString &str, TQString &newStr)
{
if(0==str.find(i18n(KFI_WEIGHT_THIN), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_THIN).length());
return FC_WEIGHT_THIN;
}
if(0==str.find(i18n(KFI_WEIGHT_EXTRALIGHT), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_EXTRALIGHT).length());
return FC_WEIGHT_EXTRALIGHT;
}
if(0==str.find(i18n(KFI_WEIGHT_ULTRALIGHT), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_ULTRALIGHT).length());
return FC_WEIGHT_ULTRALIGHT;
}
if(0==str.find(i18n(KFI_WEIGHT_LIGHT), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_LIGHT).length());
return FC_WEIGHT_LIGHT;
}
if(0==str.find(i18n(KFI_WEIGHT_REGULAR), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_REGULAR).length());
return FC_WEIGHT_REGULAR;
}
if(0==str.find(i18n(KFI_WEIGHT_NORMAL), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_NORMAL).length());
return FC_WEIGHT_NORMAL;
}
if(0==str.find(i18n(KFI_WEIGHT_MEDIUM), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_MEDIUM).length());
return FC_WEIGHT_MEDIUM;
}
if(0==str.find(i18n(KFI_WEIGHT_DEMIBOLD), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_DEMIBOLD).length());
return FC_WEIGHT_SEMIBOLD;
}
if(0==str.find(i18n(KFI_WEIGHT_SEMIBOLD), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_SEMIBOLD).length());
return FC_WEIGHT_SEMIBOLD;
}
if(0==str.find(i18n(KFI_WEIGHT_BOLD), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_BOLD).length());
return FC_WEIGHT_BOLD;
}
if(0==str.find(i18n(KFI_WEIGHT_EXTRABOLD), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_EXTRABOLD).length());
return FC_WEIGHT_EXTRABOLD;
}
if(0==str.find(i18n(KFI_WEIGHT_ULTRABOLD), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_ULTRABOLD).length());
return FC_WEIGHT_ULTRABOLD;
}
if(0==str.find(i18n(KFI_WEIGHT_BLACK), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_BLACK).length());
return FC_WEIGHT_BLACK;
}
if(0==str.find(i18n(KFI_WEIGHT_HEAVY), 0, false))
{
newStr=str.mid(i18n(KFI_WEIGHT_HEAVY).length());
return FC_WEIGHT_HEAVY;
}
newStr=str;
return FC_WEIGHT_REGULAR;
}
#ifndef KFI_FC_NO_WIDTHS
static int strToWidth(const TQString &str, TQString &newStr)
{
if(0==str.find(i18n(KFI_WIDTH_ULTRACONDENSED), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_ULTRACONDENSED).length());
return FC_WIDTH_ULTRACONDENSED;
}
if(0==str.find(i18n(KFI_WIDTH_EXTRACONDENSED), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_EXTRACONDENSED).length());
return FC_WIDTH_EXTRACONDENSED;
}
if(0==str.find(i18n(KFI_WIDTH_CONDENSED), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_CONDENSED).length());
return FC_WIDTH_CONDENSED;
}
if(0==str.find(i18n(KFI_WIDTH_SEMICONDENSED), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_SEMICONDENSED).length());
return FC_WIDTH_SEMICONDENSED;
}
if(0==str.find(i18n(KFI_WIDTH_NORMAL), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_NORMAL).length());
return FC_WIDTH_NORMAL;
}
if(0==str.find(i18n(KFI_WIDTH_SEMIEXPANDED), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_SEMIEXPANDED).length());
return FC_WIDTH_SEMIEXPANDED;
}
if(0==str.find(i18n(KFI_WIDTH_EXPANDED), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_EXPANDED).length());
return FC_WIDTH_EXPANDED;
}
if(0==str.find(i18n(KFI_WIDTH_EXTRAEXPANDED), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_EXTRAEXPANDED).length());
return FC_WIDTH_EXTRAEXPANDED;
}
if(0==str.find(i18n(KFI_WIDTH_ULTRAEXPANDED), 0, false))
{
newStr=str.mid(i18n(KFI_WIDTH_ULTRAEXPANDED).length());
return FC_WIDTH_ULTRAEXPANDED;
}
newStr=str;
return FC_WIDTH_NORMAL;
}
#endif
static int strToSlant(const TQString &str)
{
if(-1!=str.find(i18n(KFI_SLANT_ITALIC)))
return FC_SLANT_ITALIC;
if(-1!=str.find(i18n(KFI_SLANT_OBLIQUE)))
return FC_SLANT_OBLIQUE;
return FC_SLANT_ROMAN;
}
static void drawText(TQPainter &painter, int x, int y, int width, const TQString &str)
{
TQString s(str);
bool addedElipses=false;
width-=x*2;
while(s.length()>3 && painter.fontMetrics().size(0, s).width()>width)
{
if(!addedElipses)
{
s.remove(s.length()-2, 2);
s.append("...");
addedElipses=true;
}
else
s.remove(s.length()-4, 1);
}
painter.drawText(x, y, s);
}
inline bool equal(double d1, double d2)
{
return (fabs(d1 - d2) < 0.0001);
}
inline bool equalWeight(int a, int b)
{
return a==b || fcWeight(a)==fcWeight(b);
}
#ifndef KFI_FC_NO_WIDTHS
inline bool equalWidth(int a, int b)
{
return a==b || fcWidth(a)==fcWidth(b);
}
#endif
inline bool equalSlant(int a, int b)
{
return a==b || fcSlant(a)==fcSlant(b);
}
#ifdef HAVE_XFT
static bool drawChar(TQPixmap &pix, XftDraw *xftDraw, XftFont *xftFont, XftColor *xftCol, const TQString &text, int pos,
int &x, int &y, int w, int h, int fSize, int offset)
{
XGlyphInfo extents;
const FcChar16 *str=(FcChar16 *)(&(text.ucs2()[pos]));
XftTextExtents16(pix.x11Display(), xftFont, str, 1, &extents);
if(x+extents.width+2>w)
{
x=offset;
y+=fSize;
}
if(y+offset<h)
{
XftDrawString16(xftDraw, xftCol, xftFont, x, y, str, 1);
x+=extents.width+2;
return true;
}
return false;
}
static bool drawString(TQPixmap &pix, XftDraw *xftDraw, XftFont *xftFont, XftColor *xftCol, const TQString &text,
int x, int &y, int h, int offset)
{
XGlyphInfo extents;
const FcChar16 *str=(FcChar16 *)(text.ucs2());
XftTextExtents16(pix.x11Display(), xftFont, str, text.length(), &extents);
if(y+extents.height<h)
XftDrawString16(xftDraw, xftCol, xftFont, x, y+extents.y, str, text.length());
if(extents.height>0)
{
y+=extents.height+offset;
return true;
}
return false;
}
static bool drawGlyph(TQPixmap &pix, XftDraw *xftDraw, XftFont *xftFont, XftColor *xftCol, FT_UInt i,
int &x, int &y, int &w, int &h, int fSize, int offset)
{
XGlyphInfo extents;
XftGlyphExtents(pix.x11Display(), xftFont, &i, 1, &extents);
if(x+extents.width+2>w)
{
x=offset;
y+=fSize;
}
if(y+offset<h)
{
XftDrawGlyphs(xftDraw, xftCol, xftFont, x, y, &i, 1);
x+=extents.width+2;
return true;
}
return false;
}
inline int point2Pixel(int point)
{
return (point*TQPaintDevice::x11AppDpiX()+36)/72;
}
static bool hasStr(XftFont *font, TQString &str)
{
unsigned int slen=str.length(),
ch;
for(ch=0; ch<slen; ++ch)
if(!FcCharSetHasChar(font->charset, str[ch].unicode()))
return false;
return true;
}
#endif
CFcEngine::CFcEngine()
: itsIndex(-1),
itsIndexCount(1)
{
}
CFcEngine::~CFcEngine()
{
// Clear any fonts that may have been added...
FcConfigAppFontClear(FcConfigGetCurrent());
}
TQString CFcEngine::getName(const KURL &url, int faceNo)
{
if(url!=itsLastUrl || faceNo!=itsIndex)
parseUrl(url, faceNo);
return itsDescriptiveName;
}
#ifdef HAVE_XFT
bool CFcEngine::draw(const KURL &url, int w, int h, TQPixmap &pix, int faceNo, bool thumb)
{
bool rv=false;
if((url==itsLastUrl && faceNo==itsIndex) || parseUrl(url, faceNo))
{
rv=true;
if(!itsInstalled) // Then add to fontconfig's list, so that Xft can display it...
{
FcInitReinitialize();
FcConfigAppFontAddFile(FcConfigGetCurrent(), (const FcChar8 *)(itsName.utf8().data()));
}
if(thumb && (w!=h || h>128))
thumb=false;
int offset=thumb
? h<=32
? 2
: 3
: 4,
x=offset, y=offset;
pix.resize(w, h);
pix.fill(Qt::white);
TQPainter painter(&pix);
getSizes(&pix);
if(itsSizes.size())
{
XRenderColor xrenderCol;
XftColor xftCol;
xrenderCol.red=xrenderCol.green=xrenderCol.blue=0;
xrenderCol.alpha=0xffff;
XftColorAllocValue(pix.x11Display(), DefaultVisual(pix.x11Display(),
pix.x11Screen()),
DefaultColormap(pix.x11Display(), pix.x11Screen()),
&xrenderCol, &xftCol);
XftDraw *xftDraw=XftDrawCreate(pix.x11Display(), (Pixmap)(pix.handle()),
(Visual*)(pix.x11Visual()), pix.x11Colormap());
if(xftDraw)
{
XftFont *xftFont=NULL;
bool drawGlyphs=false;
if(thumb)
{
TQString text(i18n("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789"));
//
// Calculate size of text...
int fSize= h <= 32
? h-(offset*2) // 1 line of chars...
: h <= 64
? (h-(offset*3))/2 // 2 lines...
: (h-(offset*4))/3; // 3 lines or more
if(!itsScalable) // Then need to get nearest size...
{
int bSize=fSize;
for(unsigned int s=0; s<itsSizes.size(); ++s)
if (itsSizes[s]<=fSize)
bSize=itsSizes[s];
fSize=bSize;
}
unsigned int ch;
xftFont=getFont(fSize, &pix);
y=fSize;
if(xftFont)
{
drawGlyphs=!hasStr(xftFont, text);
if(!drawGlyphs)
for(ch=0; ch<text.length(); ++ch) // Display char by char so that it wraps...
if(!drawChar(pix, xftDraw, xftFont, &xftCol, text, ch, x, y, w, h, fSize, offset))
break;
if(drawGlyphs)
{
FT_Face face=XftLockFace(xftFont);
if(face)
{
for(int i=1; i<face->num_glyphs && y<w; ++i) // Glyph 0 is the NULL glyph
if(!drawGlyph(pix, xftDraw, xftFont, &xftCol, i, x, y, w, h, fSize, offset))
break;
XftUnlockFace(xftFont);
}
}
}
}
else
{
TQString lowercase(getLowercaseLetters()),
uppercase(getUppercaseLetters()),
punctuation(getPunctuation()),
title(itsDescriptiveName.isEmpty()
? i18n("ERROR: Could not determine font's name.")
: itsDescriptiveName);
if(1==itsSizes.size())
title=i18n("%1 [1 pixel]", "%1 [%n pixels]", itsSizes[0]).arg(title);
painter.setFont(TDEGlobalSettings::generalFont());
painter.setPen(Qt::black);
y=painter.fontMetrics().height();
drawText(painter, x, y, w-offset, title);
y+=4;
painter.drawLine(offset, y, w-(offset+1), y);
y+=8;
bool lc=true,
uc=true,
punc=true;
xftFont=getFont(itsAlphaSize, &pix);
if(xftFont)
{
lc=hasStr(xftFont, lowercase);
uc=hasStr(xftFont, uppercase);
punc=hasStr(xftFont, punctuation);
drawGlyphs=!lc && !uc;
if(!drawGlyphs)
{
if(lc)
drawString(pix, xftDraw, xftFont, &xftCol, lowercase, x, y, h, offset);
if(uc)
drawString(pix, xftDraw, xftFont, &xftCol, uppercase, x, y, h, offset);
if(punc)
drawString(pix, xftDraw, xftFont, &xftCol, punctuation, x, y, h, offset);
XftFontClose(pix.x11Display(), xftFont);
if(lc || uc || punc)
painter.drawLine(offset, y, w-(offset+1), y);
y+=8;
}
TQString previewString(getPreviewString());
bool stop=false;
if(!drawGlyphs)
{
if(!lc && uc)
previewString=previewString.upper();
if(!uc && lc)
previewString=previewString.lower();
}
for(unsigned int s=0; s<itsSizes.size(); ++s)
{
xftFont=getFont(itsSizes[s], &pix);
if(xftFont)
{
if(drawGlyphs)
{
FT_Face face=XftLockFace(xftFont);
if(face)
{
int space=itsSizes[s]/10;
XGlyphInfo extents;
if(!space)
space=1;
for(int i=1; i<face->num_glyphs && y<w && !stop; ++i)
{
XftGlyphExtents(pix.x11Display(), xftFont, (const FT_UInt *)&i, 1, &extents);
if(y+extents.height>h)
stop=true;
else
{
if(x+extents.width<w)
XftDrawGlyphs(xftDraw, &xftCol, xftFont, x, y+extents.y,
(const FT_UInt *)&i, 1);
if(extents.width>0)
x+=extents.width+space;
}
if(x>=w || i==face->num_glyphs-1)
{
y+=itsSizes[s]+offset;
x=offset;
break;
}
}
XftUnlockFace(xftFont);
}
}
else
drawString(pix, xftDraw, xftFont, &xftCol, previewString, x, y, h, offset);
XftFontClose(pix.x11Display(), xftFont);
}
}
}
}
XftDrawDestroy(xftDraw);
}
}
}
return rv;
}
#endif
TQString CFcEngine::getPreviewString()
{
TDEConfig cfg(KFI_UI_CFG_FILE);
cfg.setGroup(KFI_PREVIEW_GROUP);
TQString str(cfg.readEntry(KFI_PREVIEW_STRING_KEY));
return str.isEmpty() ? i18n("A sentence that uses all of the letters of the alphabet",
"The quick brown fox jumps over the lazy dog")
: str;
}
void CFcEngine::setPreviewString(const TQString &str)
{
TDEConfig cfg(KFI_UI_CFG_FILE);
cfg.setGroup(KFI_PREVIEW_GROUP);
cfg.writeEntry(KFI_PREVIEW_STRING_KEY, str);
}
TQString CFcEngine::getUppercaseLetters()
{
return i18n("All of the letters of the alphabet, uppercase", "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
}
TQString CFcEngine::getLowercaseLetters()
{
return i18n("All of the letters of the alphabet, lowercase", "abcdefghijklmnopqrstuvwxyz");
}
TQString CFcEngine::getPunctuation()
{
return i18n("Numbers and characters", "0123456789.:,;(*!?'/\\\")£$€%^&-+@~#<>{}[]");
}
TQString CFcEngine::getFcString(FcPattern *pat, const char *val, int faceNo)
{
TQString rv;
FcChar8 *fcStr;
if(FcResultMatch==FcPatternGetString(pat, val, faceNo, &fcStr))
rv=TQString::fromUtf8((char *)fcStr);
return rv;
}
TQString CFcEngine::createName(FcPattern *pat, int faceNo)
{
//CPD: TODO: the names *need* to match up with tdefontchooser's...
TQString name(getFcString(pat, FC_FAMILY, faceNo)),
str;
int intVal;
bool comma=false;
if (FcResultMatch==FcPatternGetInteger(pat, FC_WEIGHT, faceNo, &intVal))
{
str=weightStr(intVal);
if(!str.isEmpty())
{
name+=TQString(", ")+str;
comma=true;
}
}
if (FcResultMatch==FcPatternGetInteger(pat, FC_SLANT, faceNo, &intVal))
{
str=slantStr(intVal);
if(!str.isEmpty())
{
if(!comma)
{
name+=TQChar(',');
comma=true;
}
name+=TQChar(' ')+str;
}
}
#ifndef KFI_FC_NO_WIDTHS
if (FcResultMatch==FcPatternGetInteger(pat, FC_WIDTH, faceNo, &intVal))
{
str=widthStr(intVal);
if(!str.isEmpty())
name+=TQChar(' ')+str;
}
#endif
return name;
}
TQString CFcEngine::weightStr(int weight, bool emptyNormal)
{
switch(fcWeight(weight))
{
case FC_WEIGHT_THIN:
return i18n(KFI_WEIGHT_THIN);
case FC_WEIGHT_ULTRALIGHT:
return i18n(KFI_WEIGHT_ULTRALIGHT);
case FC_WEIGHT_LIGHT:
return i18n(KFI_WEIGHT_LIGHT);
case FC_WEIGHT_NORMAL:
return emptyNormal ? TQString::null : i18n(KFI_WEIGHT_NORMAL);
case FC_WEIGHT_MEDIUM:
return i18n(KFI_WEIGHT_MEDIUM);
case FC_WEIGHT_DEMIBOLD:
return i18n(KFI_WEIGHT_SEMIBOLD);
case FC_WEIGHT_BOLD:
return i18n(KFI_WEIGHT_BOLD);
case FC_WEIGHT_ULTRABOLD:
return i18n(KFI_WEIGHT_ULTRABOLD);
default:
return i18n(KFI_WEIGHT_HEAVY);
}
}
#ifndef KFI_FC_NO_WIDTHS
TQString CFcEngine::widthStr(int width, bool emptyNormal)
{
switch(fcWidth(width))
{
case FC_WIDTH_ULTRACONDENSED:
return i18n(KFI_WIDTH_ULTRACONDENSED);
case FC_WIDTH_EXTRACONDENSED:
return i18n(KFI_WIDTH_EXTRACONDENSED);
case FC_WIDTH_CONDENSED:
return i18n(KFI_WIDTH_CONDENSED);
case FC_WIDTH_SEMICONDENSED:
return i18n(KFI_WIDTH_SEMICONDENSED);
case FC_WIDTH_NORMAL:
return emptyNormal ? TQString::null : i18n(KFI_WIDTH_NORMAL);
case FC_WIDTH_SEMIEXPANDED:
return i18n(KFI_WIDTH_SEMIEXPANDED);
case FC_WIDTH_EXPANDED:
return i18n(KFI_WIDTH_EXPANDED);
case FC_WIDTH_EXTRAEXPANDED:
return i18n(KFI_WIDTH_EXTRAEXPANDED);
default:
return i18n(KFI_WIDTH_ULTRAEXPANDED);
}
}
#endif
TQString CFcEngine::slantStr(int slant, bool emptyNormal)
{
switch(fcSlant(slant))
{
case FC_SLANT_OBLIQUE:
return i18n(KFI_SLANT_OBLIQUE);
case FC_SLANT_ITALIC:
return i18n(KFI_SLANT_ITALIC);
default:
return emptyNormal ? TQString::null : i18n(KFI_SLANT_ROMAN);
}
}
TQString CFcEngine::spacingStr(int spacing)
{
switch(fcSpacing(spacing))
{
case FC_MONO:
return i18n(KFI_SPACING_MONO);
case FC_CHARCELL:
return i18n(KFI_SPACING_CHARCELL);
default:
return i18n(KFI_SPACING_PROPORTIONAL);
}
}
bool CFcEngine::getInfo(const KURL &url, int faceNo, TQString &full, TQString &family, TQString &foundry, TQString &weight,
#ifndef KFI_FC_NO_WIDTHS
TQString &width,
#endif
TQString &spacing, TQString &slant)
{
if(parseUrl(url, faceNo, true))
{
full=itsDescriptiveName;
if(url.isLocalFile())
{
int pos;
if(-1==(pos=itsDescriptiveName.find(", "))) // No style information...
family=itsDescriptiveName;
else
family=itsDescriptiveName.left(pos);
}
else
family=itsName;
weight=weightStr(itsWeight, false);
#ifndef KFI_FC_NO_WIDTHS
width=widthStr(itsWidth, false);
#endif
slant=slantStr(itsSlant, false);
spacing=spacingStr(itsSpacing);
foundry=itsFoundry;
return true;
}
return false;
}
TQFont CFcEngine::getQFont(const TQString &name, int size)
{
parseName(name, 0, false);
TQFont font(itsName, size, fcToQtWeight(itsWeight), fcToQtSlant(itsSlant));
#ifndef KFI_FC_NO_WIDTHS
font.setStretch(fcToQtWidth(itsWidth));
#endif
return font;
}
bool CFcEngine::parseUrl(const KURL &url, int faceNo, bool all)
{
FcInitLoadConfigAndFonts();
// Possible urls:
//
// fonts:/times.ttf
// fonts:/System/times.ttf
// file:/home/wibble/hmm.ttf
//
if(KFI_KIO_FONTS_PROTOCOL==url.protocol())
{
TDEIO::UDSEntry udsEntry;
TQString name;
FcInitReinitialize();
if(TDEIO::NetAccess::stat(url, udsEntry, NULL)) // Need to stat the url to get its font name...
{
TDEIO::UDSEntry::Iterator it(udsEntry.begin()),
end(udsEntry.end());
for( ; it != end; ++it)
if (TDEIO::UDS_NAME==(*it).m_uds)
{
name=(*it).m_str;
break;
}
}
if(!name.isEmpty())
{
parseName(name, faceNo, all);
itsInstalled=true;
}
else
return false;
}
else if(url.isLocalFile())
{
// Now lets see if its from the thumbnail job! if so, then file will just contain the URL!
TQFile file(url.path());
bool isThumbnailUrl=false;
if(file.size()<2048 && file.open(IO_ReadOnly)) // Urls should be less than 2k, and fonts usually above!
{
TQString thumbUrl;
TQTextStream stream(&file);
thumbUrl=stream.readLine();
isThumbnailUrl=0==thumbUrl.find(KFI_KIO_FONTS_PROTOCOL) && parseUrl(KURL(thumbUrl), faceNo, all);
file.close();
}
if(!isThumbnailUrl) // Its not a thumbnail, so read the real font file...
{
itsName=url.path();
int count;
FcPattern *pat=FcFreeTypeQuery((const FcChar8 *)(TQFile::encodeName(itsName).data()), 0, NULL, &count);
itsWeight=FC_WEIGHT_NORMAL;
#ifndef KFI_FC_NO_WIDTHS
itsWidth=FC_WIDTH_NORMAL;
#endif
itsSlant=FC_SLANT_ROMAN;
itsSpacing=FC_PROPORTIONAL;
if(pat)
{
itsDescriptiveName=createName(pat, faceNo);
if(all)
{
FcPatternGetInteger(pat, FC_WEIGHT, faceNo, &itsWeight);
FcPatternGetInteger(pat, FC_SLANT, faceNo, &itsSlant);
#ifndef KFI_FC_NO_WIDTHS
FcPatternGetInteger(pat, FC_WIDTH, faceNo, &itsWidth);
#endif
FcPatternGetInteger(pat, FC_SPACING, faceNo, &itsSpacing);
itsFoundry=getFcString(pat, FC_FOUNDRY, faceNo);
}
FcPatternDestroy(pat);
}
else
itsDescriptiveName=TQString::null;
itsInstalled=false;
itsIndex=faceNo;
}
}
else
return false;
itsLastUrl=url;
return true;
}
void CFcEngine::parseName(const TQString &name, int faceNo, bool all)
{
int pos;
itsDescriptiveName=name;
itsSpacing=FC_PROPORTIONAL;
if(-1==(pos=name.find(", "))) // No style information...
{
itsWeight=FC_WEIGHT_NORMAL;
#ifndef KFI_FC_NO_WIDTHS
itsWidth=FC_WIDTH_NORMAL;
#endif
itsSlant=FC_SLANT_ROMAN;
itsName=name;
}
else
{
TQString style(name.mid(pos+2));
itsWeight=strToWeight(style, style);
#ifndef KFI_FC_NO_WIDTHS
itsWidth=strToWidth(style, style);
#endif
itsSlant=strToSlant(style);
itsName=name.left(pos);
}
if(all)
{
FcObjectSet *os = FcObjectSetBuild(FC_SPACING, FC_FOUNDRY, (void *)0);
FcPattern *pat = FcPatternBuild(NULL,
FC_FAMILY, FcTypeString, (const FcChar8 *)(itsName.utf8().data()),
FC_WEIGHT, FcTypeInteger, itsWeight,
FC_SLANT, FcTypeInteger, itsSlant,
#ifndef KFI_FC_NO_WIDTHS
FC_WIDTH, FcTypeInteger, itsWidth,
#endif
NULL);
FcFontSet *set = FcFontList(0, pat, os);
FcPatternDestroy(pat);
FcObjectSetDestroy(os);
if(set && set->nfont)
{
FcPatternGetInteger(set->fonts[0], FC_SPACING, faceNo, &itsSpacing);
itsFoundry=getFcString(set->fonts[0], FC_FOUNDRY, faceNo);
}
}
itsIndex=0; // Doesn't matter, as we're gonna use font name!
itsLastUrl=KURL();
}
#ifdef HAVE_XFT
XftFont * CFcEngine::getFont(int size, TQPixmap *pix)
{
if(itsInstalled)
return XftFontOpen(KFI_DISPLAY(pix), 0,
FC_FAMILY, FcTypeString, (const FcChar8 *)(itsName.utf8().data()),
FC_WEIGHT, FcTypeInteger, itsWeight,
FC_SLANT, FcTypeInteger, itsSlant,
#ifndef KFI_FC_NO_WIDTHS
FC_WIDTH, FcTypeInteger, itsWidth,
#endif
FC_PIXEL_SIZE, FcTypeDouble, (double)size,
NULL);
else
{
FcPattern *pattern = FcPatternBuild(NULL,
FC_FILE, FcTypeString, TQFile::encodeName(itsName).data(),
FC_INDEX, FcTypeInteger, itsIndex,
FC_PIXEL_SIZE, FcTypeDouble, (double)size,
NULL);
return XftFontOpenPattern(KFI_DISPLAY(pix), pattern);
}
}
void CFcEngine::getSizes(TQPixmap *pix)
{
static const int constNumSizes=11;
static const int constNumSizeRanges=2;
static const int constSizes[constNumSizeRanges][constNumSizes]= { {8, 10, 12, 14, 16, 18, 24, 36, 48, 72, 96},
{7, 9, 11, 13, 15, 17, 23, 35, 47, 71, 95} };
XftFont *f=getFont(8, pix);
itsScalable=FcTrue;
itsSizes.clear();
itsAlphaSize=0;
if(f)
{
bool gotSizes=false;
if(itsInstalled)
{
if(FcResultMatch!=FcPatternGetBool(f->pattern, FC_SCALABLE, 0, &itsScalable))
itsScalable=FcFalse;
}
else
{
FT_Face face=XftLockFace(f);
if(face)
{
itsIndexCount=face->num_faces;
if(!(itsScalable=FT_IS_SCALABLE(face)))
{
int numSizes=face->num_fixed_sizes,
size;
gotSizes=true;
itsSizes.reserve(numSizes);
for (size=0; size<numSizes; size++)
{
itsSizes.push_back(face->available_sizes[size].height);
if (face->available_sizes[size].height<=constDefaultAlphaSize)
itsAlphaSize=face->available_sizes[size].height;
}
}
XftUnlockFace(f);
}
}
XftFontClose(KFI_DISPLAY(pix), f);
//
// Hmm... its not a scalable font, and its installed. So to get list of sizes, iterate through a list of standard
// sizes, and ask fontconfig for a font of that sizes. Then check the retured size, family, etc is what was asked
// for!
if(!itsScalable && !gotSizes)
{
itsSizes.reserve(constNumSizes);
for(int l=0; l<constNumSizeRanges && !gotSizes; ++l)
for(int i=0; i<constNumSizes; ++i)
{
double px;
int iv;
FcChar8 *str;
f=getFont(constSizes[l][i], pix);
if(f)
{
if(FcResultMatch==FcPatternGetDouble(f->pattern, FC_PIXEL_SIZE, 0, &px) && equal(constSizes[l][i], px) &&
FcResultMatch==FcPatternGetInteger(f->pattern, FC_WEIGHT, 0, &iv) && equalWeight(iv,itsWeight) &&
FcResultMatch==FcPatternGetInteger(f->pattern, FC_SLANT, 0, &iv) && equalSlant(iv, itsSlant) &&
#ifndef KFI_FC_NO_WIDTHS
FcResultMatch==FcPatternGetInteger(f->pattern, FC_WIDTH, 0, &iv) && equalWidth(iv, itsWidth) &&
#endif
FcResultMatch==FcPatternGetString(f->pattern, FC_FAMILY, 0, &str) && str &&
TQString::fromUtf8((char *)str)==itsName)
{
itsSizes.push_back(constSizes[l][i]);
gotSizes=true;
if(constSizes[l][i]<=constDefaultAlphaSize)
itsAlphaSize=constSizes[l][i];
}
XftFontClose(KFI_DISPLAY(pix), f);
}
}
}
}
if(itsScalable)
{
itsSizes.reserve(constNumSizes);
for (int i=0; constScalableSizes[i]; ++i)
itsSizes.push_back(point2Pixel(constScalableSizes[i]));
itsAlphaSize=constDefaultAlphaSize;
}
}
#endif
}