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