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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
#ifndef __font_hh
#define __font_hh
#include "userstring.hh"
extern "C" {
#include <X11/Xlib.h>
#define _XFT_NO_COMPAT_ // no Xft 1 API
#include <X11/Xft/Xft.h>
}
#include <assert.h>
#include <string>
namespace otk {
class Color;
class Font {
/*
* static members
*/
private:
static std::string _fallback_font;
static bool _xft_init;
public:
// the fallback is only used for X fonts, not for Xft fonts, since it is
// assumed that X fonts will be the fallback from Xft.
inline static std::string fallbackFont(void) { return _fallback_font; }
inline static void setFallbackFont(const std::string &f)
{ _fallback_font = f; }
/*
* instance members
*/
private:
int _screen_num;
std::string _fontstring;
bool _shadow;
unsigned char _offset;
unsigned char _tint;
XftFont *_xftfont;
bool createXftFont(void);
public:
// loads an Xft font
Font(int screen_num, const std::string &fontstring, bool shadow,
unsigned char offset, unsigned char tint);
virtual ~Font();
inline const std::string &fontstring() const { return _fontstring; }
unsigned int height() const;
unsigned int maxCharWidth() const;
//! Measures the length of a string
/*!
@param string The string to measure, it should be UTF8 encoded.
*/
unsigned int measureString(const userstring &string) const;
//! Draws a string into an XftDraw object
/*!
Be Warned: If you use an XftDraw object and a color, or a font from
different screens, you WILL have unpredictable results! :)
@param d The drawable to render into.
@param x The X offset onto the drawable at which to start drawing.
@param x The Y offset onto the drawable at which to start drawing.
@param color The color to use for drawing the text.
@param string The string to draw, it should be UTF8 encoded.
*/
void drawString(XftDraw *d, int x, int y, const Color &color,
const userstring &string) const;
};
}
#endif // __font_hh
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