rxvt-unicode/src/rxvtfont.h

#ifndef DEFAULTFONT_H_
#define DEFAULTFONT_H_

#include <X11/Xlib.h>
#if XFT
# include <X11/Xft/Xft.h>
#endif

#include <inttypes.h>

#include "feature.h"
#include "encoding.h"
#include "rxvtutil.h"
#include "rxvttoolkit.h"

struct rxvt_term;

struct rxvt_fontprop
{
  enum {
    unset  = -1,
    medium = 100, bold = 200,
    roman  = 0, italic = 100,
  };
  int width, height, ascent;
  int weight, slant;
};

struct rxvt_font
{
  // managed by the fontset
  rxvt_term *term;
  void set_term (rxvt_term *term) { this->term = term; }

  char *name;
  codeset cs;
  bool loaded; // wether we tried loading it before (not wether it's loaded)

  // managed by the font object
  int ascent, descent,
      width, height;

  void set_name (char *name_);

  rxvt_font ();
  virtual ~rxvt_font () { free (name); };

  virtual void clear () { };

  void clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const;

  virtual rxvt_fontprop properties () = 0;

  virtual bool load (const rxvt_fontprop &morph, bool force_prop) = 0;
  virtual bool has_char (uint32_t unicode, const rxvt_fontprop *prop, bool &careful) const = 0;

  virtual void draw (rxvt_drawable &d,
                     int x, int y,
                     const text_t *text, int len,
                     int fg, int bg) = 0;
};

#define FONT_UNREF(f) do { (f)->clear (); delete (f); } while (0)

struct rxvt_fallback_font;

struct rxvt_fontset
{
  char *fontdesc;

  enum { fontCount = 127 }; // must be power-of-two - 1, also has to match RS_fontMask in rxvt.h

  rxvt_fontset (rxvt_term *term);
  ~rxvt_fontset ();

  bool populate (const char *desc);
  void set_prop (const rxvt_fontprop &prop, bool force_prop) { this->prop = prop; this->force_prop = force_prop; }
  int find_font_ (uint32_t unicode); // same as find_font, but does not limit index
  int find_font (uint32_t unicode);
  int find_font (const char *name) const;
  bool realize_font (int i);

  // font-id's MUST fit into a signed 16 bit integer, and within 0..255
  rxvt_font *get (uint32_t unicode, int id = fontCount)
  {
    id &= fontCount;

    return fonts[id == fontCount ? find_font_ (unicode) : id];
  }

private:
  rxvt_term *term;
  rxvt_fontprop prop;
  bool force_prop;
  simplevec<rxvt_font *> fonts;
  const rxvt_fallback_font *fallback;

  typedef unsigned char pagemap[256];
  vector<pagemap *> fmap;

  void clear ();
  rxvt_font *new_font (const char *name, codeset cs);
  void add_fonts (const char *desc);
};

#endif /* _DEFAULTFONT_H_ */

Revision:	1.28
Committed:	Tue Mar 30 23:00:35 2010 UTC (14 years, 1 month ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.27:	+5 -2 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#ifndef DEFAULTFONT_H_
2			#define DEFAULTFONT_H_
3
4			#include <X11/Xlib.h>
5			#if XFT
6			# include <X11/Xft/Xft.h>
7			#endif
8
9			#include <inttypes.h>
10
11			#include "feature.h"
12			#include "encoding.h"
13			#include "rxvtutil.h"
14	root	1.12	#include "rxvttoolkit.h"
15
16			struct rxvt_term;
17	root	1.1
18	root	1.25	struct rxvt_fontprop
19			{
20	root	1.1	enum {
21	root	1.12	unset = -1,
22	root	1.1	medium = 100, bold = 200,
23			roman = 0, italic = 100,
24			};
25	root	1.17	int width, height, ascent;
26	root	1.1	int weight, slant;
27			};
28
29	root	1.25	struct rxvt_font
30			{
31	root	1.1	// managed by the fontset
32	root	1.18	rxvt_term *term;
33			void set_term (rxvt_term *term) { this->term = term; }
34	root	1.1
35			char *name;
36			codeset cs;
37			bool loaded; // wether we tried loading it before (not wether it's loaded)
38
39			// managed by the font object
40			int ascent, descent,
41			width, height;
42
43	root	1.26	void set_name (char *name_);
44	root	1.1
45	root	1.20	rxvt_font ();
46	root	1.12	virtual ~rxvt_font () { free (name); };
47
48			virtual void clear () { };
49	root	1.1
50	root	1.18	void clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const;
51	root	1.1
52			virtual rxvt_fontprop properties () = 0;
53
54	root	1.22	virtual bool load (const rxvt_fontprop &morph, bool force_prop) = 0;
55	root	1.18	virtual bool has_char (uint32_t unicode, const rxvt_fontprop *prop, bool &careful) const = 0;
56	root	1.1
57			virtual void draw (rxvt_drawable &d,
58			int x, int y,
59			const text_t *text, int len,
60			int fg, int bg) = 0;
61			};
62
63			#define FONT_UNREF(f) do { (f)->clear (); delete (f); } while (0)
64
65			struct rxvt_fallback_font;
66
67	root	1.25	struct rxvt_fontset
68			{
69	root	1.1	char *fontdesc;
70
71	root	1.27	enum { fontCount = 127 }; // must be power-of-two - 1, also has to match RS_fontMask in rxvt.h
72
73	root	1.18	rxvt_fontset (rxvt_term *term);
74	root	1.1	~rxvt_fontset ();
75
76	root	1.13	bool populate (const char *desc);
77	root	1.22	void set_prop (const rxvt_fontprop &prop, bool force_prop) { this->prop = prop; this->force_prop = force_prop; }
78	root	1.28	int find_font_ (uint32_t unicode); // same as find_font, but does not limit index
79	root	1.12	int find_font (uint32_t unicode);
80	root	1.1	int find_font (const char *name) const;
81	root	1.12	bool realize_font (int i);
82	root	1.1
83	root	1.12	// font-id's MUST fit into a signed 16 bit integer, and within 0..255
84	root	1.28	rxvt_font *get (uint32_t unicode, int id = fontCount)
85	root	1.1	{
86	root	1.28	id &= fontCount;
87
88			return fonts[id == fontCount ? find_font_ (unicode) : id];
89	root	1.1	}
90
91			private:
92	root	1.18	rxvt_term *term;
93	root	1.13	rxvt_fontprop prop;
94	root	1.22	bool force_prop;
95	root	1.1	simplevec<rxvt_font *> fonts;
96			const rxvt_fallback_font *fallback;
97
98	root	1.12	typedef unsigned char pagemap[256];
99			vector<pagemap *> fmap;
100	root	1.1
101	root	1.13	void clear ();
102			rxvt_font new_font (const char name, codeset cs);
103	root	1.1	void add_fonts (const char *desc);
104			};
105
106			#endif /* _DEFAULTFONT_H_ */
107