[ViewVC] Diff of: cvs/rxvt-unicode/src/defaultfont.C

Comparing rxvt-unicode/src/defaultfont.C (file contents):
Revision 1.2 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.16 by pcg, Sat Jan 31 00:20:21 2004 UTC

…		…
21		21
22	#include "../config.h"	22	#include "../config.h"
23	#include "rxvt.h"	23	#include "rxvt.h"
24	#include "defaultfont.h"	24	#include "defaultfont.h"
25		25
		26	#include <cstdlib>
		27
26	#define DISPLAY r->Xdisplay	28	#define DISPLAY r->Xdisplay
27	#define DRAWABLE r->TermWin.vt	29	#define DRAWABLE r->TermWin.vt
28	#define GC r->TermWin.gc	30	#define GC r->TermWin.gc
29		31
30	const struct rxvt_fallback_font {	32	const struct rxvt_fallback_font {
…		…
57		59
58	// japanese	60	// japanese
59	#if ENCODING_JP \|\| ENCODING_JP_EXT	61	#if ENCODING_JP \|\| ENCODING_JP_EXT
60	# if XFT	62	# if XFT
61	// prefer xft for complex scripts	63	// prefer xft for complex scripts
62	{ CS_UNICODE, "xft:Kochi Gothic" },	64	{ CS_UNICODE, "xft:Kochi Gothic:antialias=false" },
63	# endif	65	# endif
64	{ CS_JIS0201_1976_0, "--mincho--r-------c--jisx0201*-0" },	66	{ CS_JIS0201_1976_0, "--mincho--r-------c--jisx0201*-0" },
65	{ CS_JIS0208_1983_0, "--mincho--r-------c--jisx0208*-0" },	67	{ CS_JIS0208_1983_0, "--mincho--r-------c--jisx0208*-0" },
66	{ CS_JIS0212_1990_0, "--mincho--r-------c--jisx0212*-0" },	68	{ CS_JIS0212_1990_0, "--mincho--r-------c--jisx0212*-0" },
67	#endif	69	#endif
68		70
69	#if ENCODING_CN \|\| ENCODING_CN_EXT	71	#if ENCODING_CN \|\| ENCODING_CN_EXT
70	# if XFT	72	# if XFT
71	{ CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },	73	{ CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
72	{ CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },	74	{ CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
73	{ CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },	75	{ CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
74	{ CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },	76	{ CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
75	# endif	77	# endif
		78	{ CS_CNS11643_1992_1, "-----------c--gb2312-0" },
76	{ CS_CNS11643_1992_1, "----r-------c--cns11643.1992-1" },	79	{ CS_CNS11643_1992_1, "-----------c--cns11643-1" },
77	{ CS_CNS11643_1992_2, "----r-------c--cns11643.1992-2" },	80	{ CS_CNS11643_1992_2, "-----------c--cns11643-2" },
78	{ CS_CNS11643_1992_3, "----r-------c--cns11643.1992-3" },	81	{ CS_CNS11643_1992_3, "-----------c--cns11643-3" },
79	{ CS_CNS11643_1992_4, "----r-------c--cns11643.1992-4" },	82	{ CS_CNS11643_1992_4, "-----------c--cns11643-4" },
80	{ CS_CNS11643_1992_5, "----r-------c--cns11643.1992-5" },	83	{ CS_CNS11643_1992_5, "-----------c--cns11643-5" },
81	{ CS_CNS11643_1992_6, "----r-------c--cns11643.1992-6" },	84	{ CS_CNS11643_1992_6, "-----------c--cns11643-6" },
82	{ CS_CNS11643_1992_7, "----r-------c--cns11643.1992-7" },	85	{ CS_CNS11643_1992_7, "-----------c--cns11643-7" },
83	{ CS_CNS11643_1992_F, "----r-------c--cns11643.1992-f" },	86	{ CS_CNS11643_1992_F, "-----------c--cns11643-f" },
84	#endif	87	#endif
85		88
86	#if XFT	89	#if XFT
87	{ CS_UNICODE, "xft:Andale Mono" },	90	{ CS_UNICODE, "xft:Andale Mono" },
88	{ CS_UNICODE, "xft:Arial Unicode MS" },	91	{ CS_UNICODE, "xft:Arial Unicode MS" },
89	#endif	92	#endif
90	{ CS_UNICODE, "--lucidatypewriter--r-------m-*-iso10646-1" },	93	{ CS_UNICODE, "--lucidatypewriter---------m--iso10646-1" },
		94	{ CS_UNICODE, "xft:FreeMono" },
		95	{ CS_UNICODE, "--unifont---------c--iso10646-1" },
		96	{ CS_UNICODE, "----r-------c--iso10646-1" },
91	{ CS_UNICODE, "----r-------m--iso10646-1" },	97	{ CS_UNICODE, "----r-------m--iso10646-1" },
92	{ CS_UNICODE, "----r-------m--iso10646-1" },
93	{ CS_UNICODE, "----r-------m--iso10646-1" },
94		98
95	{ CS_UNKNOWN, 0 }	99	{ CS_UNKNOWN, 0 }
96	};	100	};
97		101
98	/////////////////////////////////////////////////////////////////////////////	102	/////////////////////////////////////////////////////////////////////////////
99		103
100	static void *enc_buf;	104	static void *enc_buf;
101	static uint32_t enc_len;	105	static uint32_t enc_len;
102		106
103	static inline void *	107	static inline void *
104	get_enc_buf (int len)	108	get_enc_buf (uint32_t len)
105	{	109	{
106	if (len > enc_len)	110	if (len > enc_len)
107	{	111	{
108	free (enc_buf);	112	free (enc_buf);
109	enc_buf = malloc (len);	113	enc_buf = malloc (len);
…		…
111		115
112	return enc_buf;	116	return enc_buf;
113	}	117	}
114		118
115	static const char *	119	static const char *
116	enc_char (const text_t *text, int len, codeset cs, bool &zero)	120	enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
117	{	121	{
118	uint8_t buf = (uint8_t )get_enc_buf (len);	122	uint8_t buf = (uint8_t )get_enc_buf (len);
119		123
120	while (len--)	124	while (len--)
121	{	125	{
…		…
132		136
133	return (const char *)enc_buf;	137	return (const char *)enc_buf;
134	}	138	}
135		139
136	static const XChar2b *	140	static const XChar2b *
137	enc_xchar2b (const text_t *text, int len, codeset cs, bool &zero)	141	enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
138	{	142	{
139	XChar2b buf = (XChar2b )get_enc_buf (len * sizeof (XChar2b));	143	XChar2b buf = (XChar2b )get_enc_buf (len * sizeof (XChar2b));
140		144
141	while (len--)	145	while (len--)
142	{	146	{
…		…
168	XSetForeground (DISPLAY, GC, r->PixColors[color]);	172	XSetForeground (DISPLAY, GC, r->PixColors[color]);
169	XFillRectangle (DISPLAY, DRAWABLE, GC, x, y, w, h);	173	XFillRectangle (DISPLAY, DRAWABLE, GC, x, y, w, h);
170	}	174	}
171	}	175	}
172		176
		177	static const char *linedraw_cmds[128] = {
		178	"1hH", "2hH", "1vV", "2vV",
		179	0, 0, 0, 0,
		180	0, 0, 0, 0,
		181	"1HV", "2H1V", "1H2V", "2HV",
		182
		183	// 2510
		184	"1hV", "2h1V", "1h2V", "2hV",
		185	"1Hv", "2H1v", "1H2v", "2Hv",
		186	"1hv", "2h1v", "1h2v", "2hv",
		187	"1HvV", "2H1vV", "1HV2v", "1Hv2V",
		188
		189	// 2520
		190	"1H2vV", "2Hv1V", "2HV1v", "2HvV",
		191	"1hvV", "2h1vV", "1hV2v", "1hv2V",
		192	"1h2vV", "2hv1V", "1v2hV", "2hvV",
		193	"1hHV", "2h1HV", "2H1hV", "2hH1V",
		194
		195	// 2530
		196	"1hH2V", "2hV1H", "1h2HV", "2hHV",
		197	"1hHv", "1vH2h", "1hv2H", "1v2hH",
		198	"1hH2v", "1H2hv", "1h2Hv", "2hHv",
		199	"1hHvV", "1vVH2h", "1hvV2H", "1vV2hH",
		200
		201	// 2540
		202	"1hHV2v", "1hHv2V", "1hH2vV", "1HV2hv",
		203	"1hV2Hv", "1Hv2hV", "1hv2HV", "1V2hHv",
		204	"1v2hHV", "1H2hvV", "1h2HvV", "2hHvV",
		205	0, 0, 0, 0,
		206
		207	// 2550
		208	0, 0, 0, 0,
		209	0, 0, 0, 0,
		210	0, 0, 0, 0,
		211	0, 0, 0, 0,
		212
		213	// 2560
		214	0, 0, 0, 0,
		215	0, 0, 0, 0,
		216	0, 0, 0, 0,
		217	0, 0, 0, 0,
		218
		219	// 2570
		220	0, "1a", "1b", "1ab",
		221	"1h", "1v", "1H", "1V",
		222	"2h", "2v", "2H", "2V",
		223	"1h2H", "1v2V", "1H2h", "1V2v"
		224
		225	// to be done
		226	};
		227
173	struct rxvt_font_default : rxvt_font {	228	struct rxvt_font_default : rxvt_font {
174	bool load (int maxheight)	229	rxvt_fontprop properties ()
		230	{
		231	rxvt_fontprop p;
		232
		233	p.width = p.height = 1;
		234	p.weight = rxvt_fontprop::medium;
		235	p.slant = rxvt_fontprop::roman;
		236
		237	return p;
		238	}
		239
		240	bool load (const rxvt_fontprop &prop)
175	{	241	{
176	width = 1; height = 1;	242	width = 1; height = 1;
177	ascent = 1; descent = 0;	243	ascent = 1; descent = 0;
178		244
179	return true;	245	return true;
180	}	246	}
181		247
182	bool has_codepoint (uint32_t unicode)	248	bool has_codepoint (uint32_t unicode)
183	{	249	{
184	if (unicode <= 0x001f	250	if (unicode <= 0x001f)
		251	return true;
185	\|\| (unicode >= 0x80 && unicode <= 0x9f))	252	if (unicode >= 0x0080 && unicode <= 0x009f)
		253	return true;
		254
		255	if (unicode >= 0x2500 && unicode <= 0x257f
		256	&& linedraw_cmds[unicode - 0x2500])
186	return true;	257	return true;
187		258
188	switch (unicode)	259	switch (unicode)
189	{	260	{
190	case ZERO_WIDTH_CHAR:	261	case ZERO_WIDTH_CHAR:
…		…
204	const text_t *text, int len,	275	const text_t *text, int len,
205	int fg, int bg)	276	int fg, int bg)
206	{	277	{
207	clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	278	clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
208		279
		280	XSetForeground (DISPLAY, GC, r->PixColors[fg]);
		281
209	while (len--)	282	while (len--)
210	{	283	{
		284	text_t t = *text++;
		285
		286	if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500])
		287	{
		288	const char *p = linedraw_cmds[t - 0x2500];
		289
		290	int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth ;
		291	int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight;
		292
		293	XGCValues gcv;
		294
		295	while (*p)
		296	{
		297	switch (*p++)
		298	{
		299	case '1':
		300	gcv.line_width = 0;
		301	XChangeGC (DISPLAY, GC, GCLineWidth, &gcv);
		302	break;
		303
		304	case '2':
		305	gcv.line_width = 2;
		306	XChangeGC (DISPLAY, GC, GCLineWidth, &gcv);
		307	break;
		308
		309	case 'h': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y1, x1, y1); break;
		310	case 'H': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x2, y1); break;
		311	case 'v': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y0, x1, y1); break;
		312	case 'V': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x1, y2); break;
		313	case 'a': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y2, x2, y0); break;
		314	case 'b': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y0, x2, y2); break;
		315	}
		316	}
		317
		318	gcv.line_width = 0;
		319	XChangeGC (DISPLAY, GC, GCLineWidth, &gcv);
		320	}
		321	else
211	switch (*text++)	322	switch (*text++)
212	{	323	{
213	case NOCHAR:	324	case NOCHAR:
214	case ZERO_WIDTH_CHAR:	325	case ZERO_WIDTH_CHAR:
215	break;	326	break;
216	default:	327	default:
217	XSetForeground (DISPLAY, GC, r->PixColors[fg]);
218	XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5);	328	XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5);
219	}	329	}
220		330
221	x += r->TermWin.fwidth;	331	x += r->TermWin.fwidth;
222	}	332	}
223	}	333	}
224		334
…		…
227	struct rxvt_font_x11 : rxvt_font {	337	struct rxvt_font_x11 : rxvt_font {
228	rxvt_font_x11 () { f = 0; }	338	rxvt_font_x11 () { f = 0; }
229		339
230	void clear ();	340	void clear ();
231		341
232	bool load (int maxheight);	342	rxvt_fontprop properties ();
		343
		344	bool load (const rxvt_fontprop &prop);
233		345
234	bool has_codepoint (uint32_t unicode);	346	bool has_codepoint (uint32_t unicode);
235		347
236	void draw (int x, int y,	348	void draw (int x, int y,
237	const text_t *text, int len,	349	const text_t *text, int len,
…		…
239		351
240	XFontStruct *f;	352	XFontStruct *f;
241	codeset cs;	353	codeset cs;
242	bool enc2b, encm;	354	bool enc2b, encm;
243		355
244	const char get_property (const char property, const char *repl) const;	356	const char get_property (XFontStruct f, const char property, const char repl) const;
		357	bool set_properties (rxvt_fontprop &p, int height, const char weight, const char slant, int avgwidth);
		358	bool set_properties (rxvt_fontprop &p, XFontStruct *f);
		359	bool set_properties (rxvt_fontprop &p, const char *name);
245	};	360	};
246		361
247	const char *	362	const char *
248	rxvt_font_x11::get_property (const char property, const char repl) const	363	rxvt_font_x11::get_property (XFontStruct f, const char property, const char *repl) const
249	{	364	{
250	unsigned long value;	365	unsigned long value;
251		366
252	if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value))	367	if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value))
253	return XGetAtomName (DISPLAY, value);	368	return XGetAtomName (DISPLAY, value);
254	else	369	else
255	return repl;	370	return repl;
256	}	371	}
257		372
		373	rxvt_fontprop
		374	rxvt_font_x11::properties ()
		375	{
		376	rxvt_fontprop p;
		377	set_properties (p, f);
		378	return p;
		379	}
		380
258	bool	381	bool
259	rxvt_font_x11::load (int maxheight)	382	rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char weight, const char slant, int avgwidth)
		383	{
		384	p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
		385	p.height = height;
		386	p.weight = weight == 'B' \|\| weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
		387	p.slant = slant == 'r' \|\| slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
		388
		389	return true;
		390	}
		391
		392	bool
		393	rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
		394	{
		395	const char *weight = get_property (f, "WEIGHT_NAME", "medium");
		396	const char *slant = get_property (f, "SLANT", "r");
		397
		398	unsigned long height;
		399	if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
		400	return false;
		401
		402	unsigned long avgwidth;
		403	if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
		404	avgwidth = 0;
		405
		406	return set_properties (p, height, weight, slant, avgwidth);
		407	}
		408
		409	bool
		410	rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
		411	{
		412	int slashes = 0;
		413	const char *comp[12];
		414
		415	for (const char c = name; c; c++)
		416	if (*c == '-')
		417	{
		418	comp[slashes++] = c + 1;
		419	if (slashes >= 13)
		420	break;
		421	}
		422
		423	/* can we short-circuit the costly XLoadQueryFont? */
		424	if (slashes >= 13
		425	&& (comp[ 6] >= '1' && comp[ 6] <= '9')
		426	&& (comp[11] >= '0' && comp[11] <= '9'))
		427	return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
		428
		429	XFontStruct *f = XLoadQueryFont (DISPLAY, name);
		430
		431	if (f)
		432	{
		433	// the font should really exists now. if not, we have a problem
		434	// (e.g. if the user did xset fp rehash just when we were searching fonts).
		435	// in that case, just return garbage.
		436	bool ret = set_properties (p, f);
		437	XFreeFont (DISPLAY, f);
		438	return ret;
		439	}
		440	else
		441	return false;
		442	}
		443
		444	// fix the size of scalable fonts
		445	static void
		446	fix_scalable (char buf, const char name, const rxvt_fontprop &prop)
		447	{
		448	int slashes = 0;
		449	const char *size;
		450
		451	for (const char c = name; c; c++)
		452	if (*c == '-')
		453	{
		454	if (slashes == 6)
		455	size = c + 1;
		456
		457	if (++slashes >= 13)
		458	break;
		459	}
		460
		461	if (slashes >= 13 && size[0] == '0')
		462	{
		463	strncpy (buf, name, size - name);
		464	buf += size - name;
		465	buf += sprintf (buf, "%d", prop.height);
		466	strcpy (buf, size + 1);
		467	}
		468	else
		469	strcpy (buf, name);
		470	}
		471
		472	bool
		473	rxvt_font_x11::load (const rxvt_fontprop &prop)
260	{	474	{
261	clear ();	475	clear ();
		476
		477	char **list;
		478	int count;
		479	list = XListFonts (DISPLAY, name, 512, &count);
		480	set_name (0);
		481
		482	if (!list)
		483	return false;
		484
		485	int bestdiff = 0x7fffffff;
		486	for (int i = 0; i < count; i++)
		487	{
		488	rxvt_fontprop p;
		489	char fname[1024];
		490	fix_scalable (fname, list[i], prop);
		491
		492	if (!set_properties (p, fname))
		493	continue;
		494
		495	if (p.height > prop.height) // weed out too large fonts
		496	continue;
		497
		498	int diff = (prop.height - p.height) * 32
		499	+ abs (prop.weight - p.weight)
		500	+ abs (prop.slant - p.slant );
		501
		502	if (!name // compare against best found so far
		503	\|\| diff < bestdiff)
		504	{
		505	set_name (strdup (fname));
		506	bestdiff = diff;
		507	}
		508	}
		509
		510	XFreeFontNames (list);
		511
		512	if (!name)
		513	return false;
262		514
263	f = XLoadQueryFont (DISPLAY, name);	515	f = XLoadQueryFont (DISPLAY, name);
264		516
265	if (!f)	517	if (!f)
266	return false;	518	return false;
267		519
268	unsigned long value;
269
270	const char *registry = get_property ("CHARSET_REGISTRY", 0);	520	const char *registry = get_property (f, "CHARSET_REGISTRY", 0);
271	const char *encoding = get_property ("CHARSET_ENCODING", 0);	521	const char *encoding = get_property (f, "CHARSET_ENCODING", 0);
272		522
273	if (registry && encoding)	523	if (registry && encoding)
274	{	524	{
275	char charset[64];	525	char charset[64];
276	snprintf (charset, 64, "%s-%s", registry, encoding);	526	snprintf (charset, 64, "%s-%s", registry, encoding);
277		527
278	cs = codeset_from_name (charset);	528	cs = codeset_from_name (charset);
279	}	529	}
280	else	530	else
281	{	531	{
282	const char *charset = get_property ("FONT", 0);	532	const char *charset = get_property (f, "FONT", 0);
283		533
284	if (!charset)	534	if (!charset)
285	charset = name;	535	charset = name;
286		536
287	int count = 13;	537	int count = 13;
…		…
300		550
301	ascent = f->ascent;	551	ascent = f->ascent;
302	descent = f->descent;	552	descent = f->descent;
303	height = ascent + descent;	553	height = ascent + descent;
304		554
305	prop = false;	555	slow = false;
306		556
307	if (f->min_bounds.width == f->max_bounds.width)	557	if (f->min_bounds.width == f->max_bounds.width)
308	width = f->min_bounds.width;	558	width = f->min_bounds.width;
309	else if (f->per_char == NULL)	559	else if (f->per_char == NULL)
310	width = f->max_bounds.width;	560	width = f->max_bounds.width;
311	else	561	else
312	{	562	{
313	prop = true;	563	slow = true;
314		564
315	int N = f->max_char_or_byte2 - f->min_char_or_byte2;	565	int N = f->max_char_or_byte2 - f->min_char_or_byte2;
316		566
317	if (encm)	567	if (encm)
318	N += (f->max_byte1 - f->min_byte1)	568	N += (f->max_byte1 - f->min_byte1)
…		…
360	/* check wether the character exists in _this_ font. horrible. */	610	/* check wether the character exists in _this_ font. horrible. */
361	XCharStruct *xcs;	611	XCharStruct *xcs;
362		612
363	if (encm)	613	if (encm)
364	{	614	{
365	int byte1 = ch >> 8;	615	unsigned char byte1 = ch >> 8;
366	int byte2 = ch & 255;	616	unsigned char byte2 = ch & 255;
367		617
368	if (byte1 < f->min_byte1 \|\| byte1 > f->max_byte1	618	if (byte1 < f->min_byte1 \|\| byte1 > f->max_byte1
369	\|\| byte2 < f->min_char_or_byte2 \|\| byte2 > f->max_char_or_byte2)	619	\|\| byte2 < f->min_char_or_byte2 \|\| byte2 > f->max_char_or_byte2)
370	return false;	620	return false;
371		621
…		…
403	// this looks like a mess /.	653	// this looks like a mess /.
404	// and it is a mess /.	654	// and it is a mess /.
405	// yet we are trying to be perfect /.	655	// yet we are trying to be perfect /.
406	// but the result still isn't perfect /.	656	// but the result still isn't perfect /.
407		657
408	bool slow = prop	658	bool slow = this->slow
409	\|\| width != r->TermWin.fwidth	659	\|\| width != r->TermWin.fwidth
410	\|\| height != r->TermWin.fheight;	660	\|\| height != r->TermWin.fheight;
411		661
412	int base = r->TermWin.fbase;	662	int base = r->TermWin.fbase;
413		663
…		…
488	//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables	738	//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
489	#define SWATHBITS 8	739	#define SWATHBITS 8
490	#endif	740	#endif
491		741
492	struct rxvt_font_xft : rxvt_font {	742	struct rxvt_font_xft : rxvt_font {
493	#if 0
494	enum {
495	SWATHCOUNT = 1 << (21 - UNIBITS),
496	SWATHSIZE = 1 << (SWATHBITS - 5)
497	};
498	typedef uint32_t swath[SWATHSIZE];
499
500	swath *cvr[SWATHCOUNT];
501	#endif
502
503	#if 0
504	void gen_coverage_swath (unsigned int page);
505
506	bool has_char (uint32_t ch)
507	{
508	unsigned int page = ch >> SWATHBITS;
509	unsigned int idx = ch & ((1 << SWATHBITS) - 1);
510
511	if (page >= SWATHCOUNT)
512	return false;
513
514	if (!cvr[page]) gen_coverage_swath (page);
515
516	return cvr[page][idx >> 5] & (1 << (idx & 31));
517	}
518	#endif
519	rxvt_font_xft () { f = 0; d = 0; }	743	rxvt_font_xft () { f = 0; d = 0; }
520		744
521	void clear ();	745	void clear ();
522		746
523	bool load (int maxheight);	747	rxvt_fontprop properties ();
		748
		749	bool load (const rxvt_fontprop &prop);
524		750
525	void draw (int x, int y,	751	void draw (int x, int y,
526	const text_t *text, int len,	752	const text_t *text, int len,
527	int fg, int bg);	753	int fg, int bg);
528		754
529	bool has_codepoint (uint32_t unicode);	755	bool has_codepoint (uint32_t unicode);
530		756
531	protected:	757	protected:
532	XftFont *f;	758	XftFont *f;
533	XftDraw *d;	759	XftDraw *d;
534
535	#if 0
536	virtual void populate_coverage_swath (uint32_t lo, uint32_t hi) = 0;
537	void set_swath (uint32_t ch)
538	{
539	cvr[ch >> SWATHBITS] \|= 1 << (ch & ((1 << SWATHBITS) - 1));
540	}
541	#endif
542	};	760	};
543		761
544	void	762	void
545	rxvt_font_xft::clear ()	763	rxvt_font_xft::clear ()
546	{	764	{
…		…
553	if (d)	771	if (d)
554	{	772	{
555	XftDrawDestroy (d);	773	XftDrawDestroy (d);
556	d = 0;	774	d = 0;
557	}	775	}
		776	}
558		777
559	#if 0	778	rxvt_fontprop
560	for (int i = 0; i < SWATHCOUNT; i++)	779	rxvt_font_xft::properties ()
561	delete cvr[i];	780	{
562	#endif	781	rxvt_fontprop p;
		782
		783	FT_Face face = XftLockFace (f);
		784
		785	p.width = width; p.height = height;
		786	p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium;
		787	p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman;
		788
		789	XftUnlockFace (f);
		790
		791	return p;
563	}	792	}
564		793
565	bool	794	bool
566	rxvt_font_xft::load (int maxheight)	795	rxvt_font_xft::load (const rxvt_fontprop &prop)
567	{	796	{
568	#if 0	797	#if 0
569	for (int i = 0; i < SWATHCOUNT; i++)	798	for (int i = 0; i < SWATHCOUNT; i++)
570	cvr[i] = 0;	799	cvr[i] = 0;
571	#endif	800	#endif
572		801
573	clear ();	802	clear ();
574		803
575	f = XftFontOpenName (DISPLAY, DefaultScreen (DISPLAY), name);	804	FcPattern p = FcNameParse ((FcChar8 ) name);
		805
		806	if (!p)
		807	return false;
		808
		809	FcValue v;
		810
		811	if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)
		812	FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
		813
		814	if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
		815	FcPatternAddInteger (p, FC_SLANT, prop.slant);
		816
		817	#if 0 // clipping unfortunately destroys our precious double-width-characters
		818	// clip width, we can't do better, or can we?
		819	if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
		820	FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
		821	#endif
		822
		823	//FcPatternAddBool (p, FC_MINSPACE, 1);
		824
		825	XftResult result;
		826	FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
		827
		828	FcPatternDestroy (p);
		829
		830	if (!match)
		831	return false;
		832
		833	f = XftFontOpenPattern (DISPLAY, match);
576		834
577	if (!f)	835	if (!f)
		836	{
		837	FcPatternDestroy (match);
578	return false;	838	return false;
		839	}
579		840
580	FT_Face face = XftLockFace (f);	841	FT_Face face = XftLockFace (f);
581		842
582	prop = !FT_IS_FIXED_WIDTH (face);	843	slow = !FT_IS_FIXED_WIDTH (face);
583		844
584	int ftheight = 0;	845	int ftheight = 0;
585		846
586	for (;;)	847	for (;;)
587	{	848	{
…		…
589	FcChar8 c;	850	FcChar8 c;
590		851
591	c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1);	852	c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1);
592	c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2);	853	c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2);
593		854
594	prop = prop \|\| g1.xOff != g2.xOff; // don't simply trust the font	855	if (g1.xOff != g2.xOff) // don't simply trust the font
		856	slow = true;
595		857
596	width = g2.xOff;	858	width = g2.xOff;
597	ascent = (face->size->metrics.ascender + 63) >> 6;	859	ascent = (face->size->metrics.ascender + 63) >> 6;
598	descent = (-face->size->metrics.descender + 63) >> 6;	860	descent = (-face->size->metrics.descender + 63) >> 6;
599	height = ascent + descent;	861	height = ascent + descent;
600		862
601	if (height <= maxheight \|\| !maxheight)	863	if (height <= prop.height \|\| !prop.height)
602	break;	864	break;
603		865
604	if (ftheight)	866	if (ftheight)
605	{	867	{
606	// take smaller steps near the end	868	// take smaller steps near the end
607	if (height > maxheight + 1) ftheight++;	869	if (height > prop.height + 1) ftheight++;
608	if (height > maxheight + 2) ftheight++;	870	if (height > prop.height + 2) ftheight++;
609	if (height > maxheight + 3) ftheight++;	871	if (height > prop.height + 3) ftheight++;
610		872
611	FT_Set_Pixel_Sizes (face, 0, ftheight -= height - maxheight);	873	FT_Set_Pixel_Sizes (face, 0, ftheight -= height - prop.height);
612	}	874	}
613	else	875	else
614	FT_Set_Pixel_Sizes (face, 0, ftheight = maxheight);	876	FT_Set_Pixel_Sizes (face, 0, ftheight = prop.height);
615	}	877	}
616		878
617	XftUnlockFace (f);	879	XftUnlockFace (f);
618		880
619	return true;	881	return true;
620	}	882	}
621
622	#if 0
623	void rxvt_font::gen_coverage_swath (unsigned int page)
624	{
625	cvr[page] = new swath;
626
627	for (int i = 0; i < SWATHSIZE; i++)
628	cvr[page][i] = 0;
629
630	populate_coverage_swath (cvr[page], page << SWATHBITS, ((page + 1) << SWATHBITS) - 1);
631	}
632	#endif
633		883
634	bool	884	bool
635	rxvt_font_xft::has_codepoint (uint32_t unicode)	885	rxvt_font_xft::has_codepoint (uint32_t unicode)
636	{	886	{
637	return XftCharExists (DISPLAY, f, unicode);	887	return XftCharExists (DISPLAY, f, unicode);
…		…
641	rxvt_font_xft::draw (int x, int y,	891	rxvt_font_xft::draw (int x, int y,
642	const text_t *text, int len,	892	const text_t *text, int len,
643	int fg, int bg)	893	int fg, int bg)
644	{	894	{
645	if (!d)	895	if (!d)
646	{
647	dR;
648	d = XftDrawCreate (DISPLAY, DRAWABLE, XVISUAL, XCMAP);	896	d = XftDrawCreate (DISPLAY, DRAWABLE, r->Xvisual, r->Xcmap);
649	}
650		897
651	if (bg >= 0 && bg != Color_bg)	898	if (bg >= 0 && bg != Color_bg)
652	XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);	899	XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);
653	else	900	else
654	clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	901	clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
655		902
656	if (!prop && width == r->TermWin.fwidth)	903	if (!slow && width == r->TermWin.fwidth && 0)
657	{	904	{
658	if (sizeof (text_t) == sizeof (FcChar16))	905	if (sizeof (text_t) == sizeof (FcChar16))
659	XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);	906	XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
660	else	907	else
661	XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);	908	XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
…		…
664	{	911	{
665	while (len)	912	while (len)
666	{	913	{
667	if (text != NOCHAR && text != ' ')	914	if (text != NOCHAR && text != ' ')
668	{	915	{
		916	int fwidth = r->TermWin.fwidth;
		917	if (len >= 2 && text[1] == NOCHAR)
		918	fwidth *= 2;
		919
		920	XGlyphInfo extents;
669	if (sizeof (text_t) == sizeof (FcChar16))	921	if (sizeof (text_t) == sizeof (FcChar16))
670	XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, 1);	922	{
		923	XftTextExtents16 (DISPLAY, f, (const FcChar16 *)text, 1, &extents);
		924	XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
		925	y + r->TermWin.fbase, (const FcChar16 *)text, 1);
		926	}
671	else	927	else
672	XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, 1);	928	{
		929	XGlyphInfo extents;
		930	XftTextExtents32 (DISPLAY, f, (const FcChar32 *)text, 1, &extents);
		931	XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
		932	y + r->TermWin.fbase, (const FcChar32 *)text, 1);
		933	}
673	}	934	}
674		935
675	x += r->TermWin.fwidth;	936	x += r->TermWin.fwidth;
676	text++;	937	text++;
677	len--;	938	len--;
…		…
681	#endif	942	#endif
682		943
683	/////////////////////////////////////////////////////////////////////////////	944	/////////////////////////////////////////////////////////////////////////////
684		945
685	rxvt_fontset::rxvt_fontset (rxvt_t r)	946	rxvt_fontset::rxvt_fontset (rxvt_t r)
686	#ifdef EXPLICIT_CONTEXT
687	: r(r)	947	: r(r)
688	#endif
689	{	948	{
690	clear ();	949	clear ();
691	}	950	}
692		951
693	rxvt_fontset::~rxvt_fontset ()	952	rxvt_fontset::~rxvt_fontset ()
…		…
701	for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++)	960	for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++)
702	FONT_UNREF (*i);	961	FONT_UNREF (*i);
703		962
704	fonts.clear ();	963	fonts.clear ();
705	base_id = 0;	964	base_id = 0;
706	height = 0x7fffffff;	965	base_prop.height = 0x7fffffff;
		966	base_prop.weight = rxvt_fontprop::medium;
		967	base_prop.slant = rxvt_fontprop::roman;
707		968
708	fallback = fallback_fonts;	969	fallback = fallback_fonts;
709	}	970	}
710		971
711	rxvt_font *	972	rxvt_font *
…		…
758		1019
759	if (*desc == '[')	1020	if (*desc == '[')
760	{	1021	{
761	fprintf (stderr, "extra font parameters not yet supported, skipping.\n");	1022	fprintf (stderr, "extra font parameters not yet supported, skipping.\n");
762		1023
763	const char *extra = desc++;	1024	//const char *extra = desc++; // not yet used
764		1025
765	desc = strchr (desc, ']');	1026	desc = strchr (desc, ']');
766		1027
767	if (!desc)	1028	if (!desc)
768	{	1029	{
…		…
796	rxvt_fontset::realize_font (int i)	1057	rxvt_fontset::realize_font (int i)
797	{	1058	{
798	if (fonts[i]->loaded)	1059	if (fonts[i]->loaded)
799	return true;	1060	return true;
800		1061
801	if (fonts[i]->load (height))
802	return fonts[i]->loaded = true;	1062	fonts[i]->loaded = true;
803		1063
804	delete fonts[i];	1064	if (!fonts[i]->load (base_prop))
805	fonts.erase (fonts.begin () + i);	1065	{
806		1066	fonts[i]->cs = CS_UNKNOWN;
807	return false;	1067	return false;
		1068	}
		1069
		1070	return true;
808	}	1071	}
809		1072
810	void	1073	void
811	rxvt_fontset::populate (const char *desc)	1074	rxvt_fontset::populate (const char *desc)
812	{	1075	{
…		…
819		1082
820	if (!base_id)	1083	if (!base_id)
821	base_id = 1;	1084	base_id = 1;
822		1085
823	// we currently need a base-font, no matter what	1086	// we currently need a base-font, no matter what
824	if (fonts.size () <= base_id)	1087	if ((int)fonts.size () <= base_id \|\| !realize_font (base_id))
825	{	1088	{
		1089	puts ("unable to load specified font(s), falling back to 'fixed'\n");
826	add_fonts ("fixed");	1090	add_fonts ("fixed");
827	base_id = 1;	1091	base_id = fonts.size () - 1;
828	}	1092	}
829		1093
830	if (fonts.size () <= base_id \|\| !realize_font (base_id))	1094	if ((int)fonts.size () <= base_id \|\| !realize_font (base_id))
831	{	1095	{
832	fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");	1096	fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");
833	exit (1);	1097	exit (1);
834	}	1098	}
835		1099
836	height = fonts[base_id]->height;	1100	base_prop = fonts[base_id]->properties ();
837
838	/add_fonts ("-efont-fixed-medium-r-normal--14------iso10646-1,"/
839	}	1101	}
840		1102
841	int	1103	int
842	rxvt_fontset::find_font (uint32_t unicode)	1104	rxvt_fontset::find_font (uint32_t unicode)
843	{	1105	{
844	for (int i = 0; i < fonts.size (); i++)	1106	for (unsigned int i = 0; i < fonts.size (); i++)
845	{	1107	{
846	rxvt_font *f = fonts[i];	1108	rxvt_font *f = fonts[i];
847		1109
848	if (!f->loaded)	1110	if (!f->loaded)
849	{	1111	{
850	if (FROM_UNICODE (f->cs, unicode) == NOCHAR)	1112	if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
851	goto next_font;	1113	goto next_font;
852		1114
853	if (!realize_font (i))	1115	if (!realize_font (i))
854	{
855	--i;
856	goto next_font;	1116	goto next_font;
857	}	1117	}
858		1118
859	//printf ("added font %s for %04lx\n", f->name, unicode);
860	}
861
862	if (f->has_codepoint (unicode))	1119	if (f->cs != CS_UNKNOWN && f->has_codepoint (unicode))
863	return i;	1120	return i;
864		1121
865	next_font:	1122	next_font:
866	if (i == fonts.size () - 1 && fallback->name)	1123	if (i == fonts.size () - 1 && fallback->name)
867	{	1124	{
868	fonts.push_back (new_font (fallback->name, fallback->cs));	1125	fonts.push_back (new_font (fallback->name, fallback->cs));
869	fallback++;	1126	fallback++;
		1127	i = 0;
870	}	1128	}
871	}	1129	}
872		1130
873	return 0; /* we must return SOME font */	1131	return 0; /* we must return SOME font */
874	}	1132	}

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Comparing rxvt-unicode/src/defaultfont.C (file contents): Revision 1.2 by pcg, Tue Nov 25 15:25:17 2003 UTC vs. Revision 1.16 by pcg, Sat Jan 31 00:20:21 2004 UTC

Diff Legend

Comparing rxvt-unicode/src/defaultfont.C (file contents):
Revision 1.2 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.16 by pcg, Sat Jan 31 00:20:21 2004 UTC