1 files changed, 143 insertions, 0 deletions

diff --git a/src/FbTk/XftFontImp.cc b/src/FbTk/XftFontImp.cc
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+++ b/src/FbTk/XftFontImp.cc
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+// XftFontImp.cc  Xft font implementation for FbTk
+// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+//$Id: XftFontImp.cc,v 1.1 2002/11/26 16:01:27 fluxgen Exp $
+
+#include "XftFontImp.hh"
+#include "App.hh"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif //HAVE_CONFIG_H
+namespace FbTk {
+
+XftFontImp::XftFontImp(const char *name, bool utf8):m_xftfont(0),
+m_utf8mode(utf8) {
+        if (name != 0)
+                load(name);
+}
+
+XftFontImp::~XftFontImp() {
+        if (m_xftfont != 0)
+                XftFontClose(App::instance()->display(), m_xftfont);
+}
+
+bool XftFontImp::load(const std::string &name) {
+        //Note: assumes screen 0 for now, changes on draw if needed
+        
+        Display *disp = App::instance()->display();
+        XftFont *newxftfont = XftFontOpenName(disp, 0, name.c_str());
+                
+        if (newxftfont == 0) { // failed to open font, lets test with XLFD
+                newxftfont = XftFontOpenXlfd(disp, 0, name.c_str());
+                if (newxftfont == 0)
+                        return false;
+        }
+        // destroy old font and set new
+        if (m_xftfont != 0)
+                XftFontClose(disp, m_xftfont);
+
+        m_xftfont = newxftfont;
+
+        return true;
+}
+
+void XftFontImp::drawText(Drawable w, int screen, GC gc, const char *text, size_t len, int x, int y) const {
+        if (m_xftfont == 0)
+                return;
+        Display *disp = App::instance()->display();
+        XftDraw *draw = XftDrawCreate(disp,
+                w,
+                DefaultVisual(disp, screen),
+                DefaultColormap(disp, screen));
+
+        XGCValues gc_val;
+
+        // get foreground pixel value and convert it to XRenderColor value
+        // TODO: we should probably check return status
+        XGetGCValues(disp, gc, GCForeground, &gc_val);
+
+        // get red, green, blue values
+        XColor xcol;
+        xcol.pixel = gc_val.foreground;
+        XQueryColor(disp, DefaultColormap(disp, screen), &xcol);
+
+        // convert xcolor to XftColor
+        XRenderColor rendcol;
+        rendcol.red = xcol.red;
+        rendcol.green = xcol.green;
+        rendcol.blue = xcol.blue;
+        rendcol.alpha = 0xFFFF;
+        XftColor xftcolor;      
+        XftColorAllocValue(disp, DefaultVisual(disp, screen), DefaultColormap(disp, screen),
+                &rendcol, &xftcolor);
+
+        // draw string
+#ifdef HAVE_XFT_UTF8_STRING
+        if (m_utf8mode) {
+                XftDrawStringUtf8(draw,
+                        &xftcolor,
+                        m_xftfont,
+                        x, y,
+                        (XftChar8 *)(text), len);
+        } else 
+#endif // HAVE_XFT_UTF8_STRING
+        {
+                XftDrawString8(draw,
+                        &xftcolor,
+                        m_xftfont,
+                        x, y,
+                        (XftChar8 *)(text), len);
+        }
+
+        XftColorFree(disp, DefaultVisual(disp, screen), 
+                DefaultColormap(disp, screen), &xftcolor);
+        XftDrawDestroy(draw);
+}
+
+unsigned int XftFontImp::textWidth(const char * const text, unsigned int len) const {
+        if (m_xftfont == 0)
+                return 0;
+        XGlyphInfo ginfo;
+#ifdef HAVE_XFT_UTF8_STRING
+        if (m_utf8mode) {
+                XftTextExtentsUtf8(App::instance()->display(),
+                        m_xftfont,
+                        (XftChar8 *)text, len,
+                        &ginfo);
+        } else 
+#endif  //HAVE_XFT_UTF8_STRING
+        {
+                XftTextExtents8(App::instance()->display(),
+                        m_xftfont,
+                        (XftChar8 *)text, len,
+                        &ginfo);
+        }
+        return ginfo.xOff;
+}
+
+unsigned int XftFontImp::height() const {
+        if (m_xftfont == 0)
+                return 0;
+        return m_xftfont->height;
+}
+
+}; // end namespace FbTk