src/FbTk/FontImp.hh (raw)
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// FontImp.cc for FbTk
// Copyright (c) 2002-2004 Henrik Kinnunen (fluxgen(at)users.sourceforge.net)
//
// 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_FONTIMP_HH
#define FBTK_FONTIMP_HH
#include "Color.hh"
#include <X11/Xlib.h>
#include <string>
namespace FbTk {
class FbDrawable;
/**
FontImp, second part of the bridge pattern for fonts
pure interface class.
@see Font
*/
class FontImp {
public:
virtual ~FontImp() { }
virtual bool load(const std::string &name) = 0;
virtual void drawText(const FbDrawable &w, int screen, GC gc, const char *text, size_t len, int x, int y) const = 0;
virtual unsigned int textWidth(const char * const text, unsigned int size) const = 0;
virtual int ascent() const = 0;
virtual int descent() const = 0;
virtual unsigned int height() const = 0;
virtual bool loaded() const = 0;
virtual void rotate(float angle) { } // by default, no rotate support
protected:
FontImp() { }
};
}; // end namespace FbTk
#endif // FBTK_FONTIMP_HH
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