fluxbox/src/FbTk/XmbFontImp.hh

// XmbFontImp.hh for FbTk fluxbox toolkit
// Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at fluxbox dot 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.

// $Id$

#ifndef FBTK_XMBFONTIMP_HH
#define FBTK_XMBFONTIMP_HH

#include "FontImp.hh"

#include <X11/Xlib.h>

namespace FbTk {

/// multibyte font implementation for FbTk
class XmbFontImp:public FbTk::FontImp {
public:
    XmbFontImp(const char *fontname, bool utf8);
    ~XmbFontImp();
    bool load(const std::string &name);
    virtual void drawText(const FbDrawable &w, int screen, GC gc, const FbString &text, size_t len, int x, int y, FbTk::Orientation orient) const;
    unsigned int textWidth(const FbString &text, unsigned int len) const;
    unsigned int height() const;
    int ascent() const { return m_setextents ? -m_setextents->max_ink_extent.y : 0; }
    int descent() const { return m_setextents ? m_setextents->max_ink_extent.height + m_setextents->max_ink_extent.y : 0; }
    bool loaded() const { return m_fontset != 0; }
    bool utf8() const { return m_utf8mode; }

    bool validOrientation(FbTk::Orientation orient) { return true; }; // rotated on demand

private:
    XFontSet m_fontset;
    XFontSetExtents *m_setextents;
    bool m_utf8mode;
};

} // end namespace FbTk

#endif // FBTK_XMBFONTIMP_HH