src/FbTk/Font.hh (raw)
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// Font.cc for FbTk
// Copyright (c) 2002 Henrik Kinnunen (fluxgen at 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: Font.hh,v 1.9 2004/08/10 18:08:37 fluxgen Exp $
#ifndef FBTK_FONT_HH
#define FBTK_FONT_HH
#include <X11/Xlib.h>
#include <X11/Xresource.h>
#include <string>
#include <memory>
#include <iconv.h>
namespace FbTk {
class FontImp;
/**
Handles the client to fontimp bridge.
*/
class Font {
public:
Font(const char *name=0, bool antialias = false);
virtual ~Font();
/**
Load a font
@return true on success, else false and it'll fall back on the last
loaded font
*/
bool load(const std::string &name);
/// @return true if multibyte is enabled, else false
static bool multibyte() { return m_multibyte; }
/// @return true if utf-8 mode is enabled, else false
static bool utf8() { return m_utf8mode; }
void setAntialias(bool flag);
inline void setShadow(bool flag) { m_shadow = flag; if (m_shadow) setHalo(false); }
inline void setHalo(bool flag) { m_halo = flag; if (m_halo) setShadow(false); }
/**
@param text text to check size
@param size length of text in bytes
@return size of text in pixels
*/
unsigned int textWidth(const char * const text, unsigned int size) const;
unsigned int height() const;
int ascent() const;
int descent() const;
/**
Rotate font in any angle
(currently only 90 degrees supported and just XFont implementation)
*/
void rotate(float angle);
/**
Draws text to drawable
@param w the drawable
@param screen screen number
@param gc Graphic Context
@param text the text buffer
@param len size of text buffer
@param x position
@param y position
@param rotate if the text should be drawn rotated (if it's rotated before)
*/
void drawText(Drawable w, int screen, GC gc,
const char *text, size_t len,
int x, int y, bool rotate=true) const;
bool isAntialias() const { return m_antialias; }
/// @return true if the font is rotated, else false
bool isRotated() const { return m_rotated; }
/// @return rotated angle
float angle() const { return m_angle; }
bool shadow() const { return m_shadow; }
bool halo() const { return m_halo; }
private:
std::auto_ptr<FontImp> m_fontimp; ///< font implementation
std::string m_fontstr; ///< font name
static bool m_multibyte; ///< if the fontimp should be a multibyte font
static bool m_utf8mode; ///< should the font use utf8 font imp
bool m_antialias; ///< is font antialias
bool m_rotated; ///< wheter we're rotated or not
float m_angle; ///< rotation angle
bool m_shadow; ///< shadow text
std::string m_shadow_color; ///< shadow color
int m_shadow_offx; ///< offset y for shadow
int m_shadow_offy; ///< offset x for shadow
bool m_halo; ///< halo text
std::string m_halo_color; ///< halo color
std::string m_locale; ///< system encoding
iconv_t m_iconv;
};
} //end namespace FbTk
#endif //FBTK_FONT_HH
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