From 4aed2c8219774f5d797760606b8489a92ddc5163 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 kcontrol/kfontinst/lib/FcEngine.cpp | 1179 +++++++++++++++++++++++++++++++++++
 1 file changed, 1179 insertions(+)
 create mode 100644 kcontrol/kfontinst/lib/FcEngine.cpp

(limited to 'kcontrol/kfontinst/lib/FcEngine.cpp')

diff --git a/kcontrol/kfontinst/lib/FcEngine.cpp b/kcontrol/kfontinst/lib/FcEngine.cpp
new file mode 100644
index 000000000..0b3e51767
--- /dev/null
+++ b/kcontrol/kfontinst/lib/FcEngine.cpp
@@ -0,0 +1,1179 @@
+#include <qpainter.h>
+#include <qpixmap.h>
+#include <qfontmetrics.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <kurl.h>
+#include <kconfig.h>
+#include <kglobalsettings.h>
+#include <kio/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() : QPaintDevice::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 QFont::Light>>1;
+        case FC_WEIGHT_LIGHT:
+            return QFont::Light;
+        default:
+        case FC_WEIGHT_NORMAL:
+            return QFont::Normal;
+        case FC_WEIGHT_MEDIUM:
+#ifdef KFI_HAVE_MEDIUM_WEIGHT
+            return (QFont::Normal+QFont::DemiBold)>>1;
+#endif
+            return QFont::Normal;
+        case FC_WEIGHT_SEMIBOLD:
+            return QFont::DemiBold;
+        case FC_WEIGHT_BOLD:
+            return QFont::Bold;
+        case FC_WEIGHT_ULTRABOLD:
+            return (QFont::Bold+QFont::Black)>>1;
+        case FC_WEIGHT_HEAVY:
+            return QFont::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 QFont::UltraCondensed;
+        case FC_WIDTH_EXTRACONDENSED:
+            return QFont::ExtraCondensed;
+        case FC_WIDTH_CONDENSED:
+            return QFont::Condensed;
+        case FC_WIDTH_SEMICONDENSED:
+            return QFont::SemiCondensed;
+        default:
+        case FC_WIDTH_NORMAL:
+            return QFont::Unstretched;
+        case FC_WIDTH_SEMIEXPANDED:
+            return QFont::SemiExpanded;
+        case FC_WIDTH_EXPANDED:
+            return QFont::Expanded;
+        case FC_WIDTH_EXTRAEXPANDED:
+            return QFont::ExtraExpanded;
+        case FC_WIDTH_ULTRAEXPANDED:
+            return QFont::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 QString &str, QString &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 QString &str, QString &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 QString &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(QPainter &painter, int x, int y, int width, const QString &str)
+{
+    QString 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(QPixmap &pix, XftDraw *xftDraw, XftFont *xftFont, XftColor *xftCol, const QString &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(QPixmap &pix, XftDraw *xftDraw, XftFont *xftFont, XftColor *xftCol, const QString &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(QPixmap &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*QPaintDevice::x11AppDpiX()+36)/72;
+}
+
+static bool hasStr(XftFont *font, QString &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());
+}
+
+QString 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, QPixmap &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);
+
+        QPainter 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)
+                {
+                    QString 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
+                {
+                    QString 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(KGlobalSettings::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;
+                        }
+
+                        QString 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
+
+QString CFcEngine::getPreviewString()
+{
+    KConfig cfg(KFI_UI_CFG_FILE);
+
+    cfg.setGroup(KFI_PREVIEW_GROUP);
+
+    QString 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 QString &str)
+{
+    KConfig cfg(KFI_UI_CFG_FILE);
+
+    cfg.setGroup(KFI_PREVIEW_GROUP);
+    cfg.writeEntry(KFI_PREVIEW_STRING_KEY, str);
+}
+
+QString CFcEngine::getUppercaseLetters()
+{
+    return i18n("All of the letters of the alphabet, uppercase", "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+}
+
+QString CFcEngine::getLowercaseLetters()
+{
+    return i18n("All of the letters of the alphabet, lowercase", "abcdefghijklmnopqrstuvwxyz");
+}
+
+QString CFcEngine::getPunctuation()
+{
+    return i18n("Numbers and characters", "0123456789.:,;(*!?'/\\\")£$€%^&-+@~#<>{}[]");
+}
+
+QString CFcEngine::getFcString(FcPattern *pat, const char *val, int faceNo)
+{
+    QString rv;
+    FcChar8 *fcStr;
+
+    if(FcResultMatch==FcPatternGetString(pat, val, faceNo, &fcStr))
+        rv=QString::fromUtf8((char *)fcStr);
+
+    return rv;
+}
+
+QString CFcEngine::createName(FcPattern *pat, int faceNo)
+{
+//CPD: TODO: the names *need* to match up with kfontchooser's...
+    QString 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+=QString(", ")+str;
+            comma=true;
+        }
+    }
+
+    if (FcResultMatch==FcPatternGetInteger(pat, FC_SLANT, faceNo, &intVal))
+    {
+        str=slantStr(intVal);
+        if(!str.isEmpty())
+        {
+            if(!comma)
+            {
+                name+=QChar(',');
+                comma=true;
+            }
+            name+=QChar(' ')+str;
+        }
+    }
+
+#ifndef KFI_FC_NO_WIDTHS
+    if (FcResultMatch==FcPatternGetInteger(pat, FC_WIDTH, faceNo, &intVal))
+    {
+        str=widthStr(intVal);
+        if(!str.isEmpty())
+            name+=QChar(' ')+str;
+    }
+#endif
+ 
+    return name;
+}
+
+QString 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 ? QString::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
+QString 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 ? QString::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
+
+QString 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 ? QString::null : i18n(KFI_SLANT_ROMAN);
+    }
+}
+
+QString 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, QString &full, QString &family, QString &foundry, QString &weight,
+#ifndef KFI_FC_NO_WIDTHS
+                        QString &width,
+#endif
+                        QString &spacing, QString &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;
+}
+
+QFont CFcEngine::getQFont(const QString &name, int size)
+{
+    parseName(name, 0, false);
+
+    QFont 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())
+    {
+        KIO::UDSEntry udsEntry;
+        QString       name;
+
+        FcInitReinitialize();
+        if(KIO::NetAccess::stat(url, udsEntry, NULL))  // Need to stat the url to get its font name...
+        {
+            KIO::UDSEntry::Iterator it(udsEntry.begin()),
+                                    end(udsEntry.end());
+
+            for( ; it != end; ++it)
+                if (KIO::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!
+        QFile file(url.path());
+        bool  isThumbnailUrl=false;
+
+        if(file.size()<2048 && file.open(IO_ReadOnly)) // Urls should be less than 2k, and fonts usually above!
+        {
+            QString     thumbUrl;
+            QTextStream 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 *)(QFile::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=QString::null;
+
+            itsInstalled=false;
+            itsIndex=faceNo;
+        }
+    }
+    else
+        return false;
+
+    itsLastUrl=url;
+    return true;
+}
+
+void CFcEngine::parseName(const QString &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
+    {
+        QString 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, QPixmap *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, QFile::encodeName(itsName).data(),
+                                            FC_INDEX, FcTypeInteger, itsIndex,
+                                            FC_PIXEL_SIZE, FcTypeDouble, (double)size,
+                                            NULL);
+        return XftFontOpenPattern(KFI_DISPLAY(pix), pattern);
+    }
+}
+
+void CFcEngine::getSizes(QPixmap *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 &&
+                           QString::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
+
+}
-- 
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