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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.6 by root, Tue Aug 17 01:58:17 2004 UTC vs.
Revision 1.168 by sf-exg, Tue Dec 14 08:01:51 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: defaultfont.C	2	* File: rxvtfont.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>	4	* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
5	* - original version.	5	* - original version.
6	*	6	*
7	* This program is free software; you can redistribute it and/or modify	7	* This program is free software; you can redistribute it and/or modify
8	* it under the terms of the GNU General Public License as published by	8	* it under the terms of the GNU General Public License as published by
9	* the Free Software Foundation; either version 2 of the License, or	9	* the Free Software Foundation; either version 2 of the License, or
…		…
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.	15	* GNU General Public License for more details.
16	*	16	*
17	* You should have received a copy of the GNU General Public License	17	* You should have received a copy of the GNU General Public License
18	* along with this program; if not, write to the Free Software	18	* along with this program; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA	19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20	*---------------------------------------------------------------------*/	20	*---------------------------------------------------------------------*/
21		21
22	#include "../config.h"	22	#include "../config.h"
23	#include "rxvt.h"	23	#include "rxvt.h"
		24	#include "rxvtutil.h"
24	#include "rxvtfont.h"	25	#include "rxvtfont.h"
25		26
26	#include <cstdlib>	27	#include <cstdlib>
27		28
28	#define DISPLAY r->display->display	29	#include <inttypes.h>
29	#define TGC r->TermWin.gc
30		30
		31	#if XFT
		32	# include <fontconfig/fontconfig.h>
		33	#endif
		34
		35	#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width
		36	#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts
		37
		38	#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \
		39	(prop)->slant >= rxvt_fontprop::italic \
		40	? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \
		41	: ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \
		42	))
		43
31	const struct rxvt_fallback_font {	44	static const struct rxvt_fallback_font {
32	codeset cs;	45	codeset cs;
33	const char *name;	46	const char *name;
34	} fallback_fonts[] = {	47	} fallback_fonts[] = {
35	{ CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },	48	{ CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },
36	{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },	49	{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },
37	{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" },	50	{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" },
38		51
39	#if ENCODING_EU	52	#if ENCODING_EU
40	// cyrillic	53	// cyrillic
41	{ CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" },	54	{ CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" },
42	{ CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" },	55	{ CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" },
43		56
44	{ CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" },	57	{ CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" },
45	{ CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" },	58	{ CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" },
46	{ CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" },	59	{ CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" },
47	{ CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" },	60	{ CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" },
48	{ CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" },	61	{ CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" },
…		…
52	{ CS_ISO8859_10, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-10" },	65	{ CS_ISO8859_10, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-10" },
53	{ CS_ISO8859_11, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-11" },	66	{ CS_ISO8859_11, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-11" },
54	{ CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },	67	{ CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },
55	{ CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },	68	{ CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },
56	{ CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },	69	{ CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },
		70
		71	# if XFT
		72	{ CS_KOI8_U, "xft::lang=ru" },
		73
		74	{ CS_ISO8859_5, "xft::lang=ru" },
		75	{ CS_ISO8859_6, "xft::lang=ar" },
		76	{ CS_ISO8859_7, "xft::lang=el" },
		77	{ CS_ISO8859_8, "xft::lang=he" },
		78	{ CS_ISO8859_9, "xft::lang=tr" },
		79	{ CS_ISO8859_10, "xft::lang=se" },
		80	{ CS_ISO8859_11, "xft::lang=th" },
		81	# endif
57	#endif	82	#endif
58		83
59	// japanese	84	// japanese
60	#if ENCODING_JP || ENCODING_JP_EXT	85	#if ENCODING_JP || ENCODING_JP_EXT
61	# if XFT	86	# if XFT
62	// prefer xft for complex scripts	87	// prefer xft for complex scripts
		88	{ CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
63	{ CS_UNICODE, "xft:Kochi Gothic:antialias=false" },	89	{ CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
		90	{ CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
		91	{ CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
64	# endif	92	# endif
65	{ CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },	93	{ CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
66	{ CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },	94	{ CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
67	{ CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },	95	{ CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
68	{ CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },	96	{ CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
69	{ CS_JIS0208_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0208*-0" },	97	{ CS_JIS0208_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
70	{ CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },	98	{ CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
71	#endif	99	#endif
72		100
73	#if ENCODING_CN || ENCODING_CN_EXT	101	#if ENCODING_ZH || ENCODING_ZH_EXT
74	# if XFT	102	# if XFT
		103	{ CS_GBK_0, "xft:AR PL KaitiM GB" },
		104	{ CS_GBK_0, "xft:AR PL SungtiL GB" },
		105	{ CS_GBK_0, "xft::lang=zh" },
75	{ CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },	106	{ CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
76	{ CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },	107	{ CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
77	{ CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },	108	{ CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
78	{ CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },	109	{ CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
		110	{ CS_GB2312_1980_0, "xft::lang=zh" },
79	# endif	111	# endif
		112	{ CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
80	{ CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },	113	{ CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
81	{ CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },	114	{ CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
82	{ CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },	115	{ CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
		116	{ CS_GB2312_1980_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
83	{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },	117	{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
84	{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },	118	{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
85	{ CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },	119	{ CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
86	{ CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },	120	{ CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
87	{ CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },	121	{ CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
…		…
89	{ CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },	123	{ CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
90	{ CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },	124	{ CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
91	{ CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },	125	{ CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
92	#endif	126	#endif
93		127
		128	#if ENCODING_KR
		129	{ CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
		130	{ CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
		131	# if XFT
		132	{ CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
		133	{ CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
		134	# endif
		135	#endif
		136
		137	{ CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
		138	//{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
94	#if XFT	139	#if XFT
		140	{ CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
		141	{ CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
		142	{ CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
		143	{ CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
		144
		145	// FreeMono is usually uglier than x fonts, so try after the others
95	{ CS_UNICODE, "xft:Andale Mono" },	146	{ CS_UNICODE, "xft:FreeMono:autohint=true" },
96	{ CS_UNICODE, "xft:Arial Unicode MS" },
97	#endif	147	#endif
98	{ CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },	148
99	{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },	149	// generic font fallback, put this last, as many iso10646 fonts have extents
		150	// specified for all glyphs in the range they cover, but most are simply empty
100	{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },	151	//{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
101	{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },	152	//{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
102	#if XFT
103	// FreeMono is usually uglier than x fonts, so try last only.
104	//{ CS_UNICODE, "xft:FreeMono" },
105	#endif
106
107	{ CS_UNKNOWN, 0 }	153	{ CS_UNKNOWN, 0 }
108	};	154	};
109		155
		156	// these characters are used to guess the font height and width
		157	// pango uses a similar algorithm and doesn't trust the font either.
		158	static uint16_t extent_test_chars[] = {
		159	'0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
		160	0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
		161	0x304c, 0x672c, // が本
		162	};
		163
		164	#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
		165
		166	#define dTermDisplay Display *disp = term->dpy
		167	#define dTermGC GC gc = term->gc
		168
110	/////////////////////////////////////////////////////////////////////////////	169	/////////////////////////////////////////////////////////////////////////////
111
112	#if XFT
113	rxvt_drawable::~rxvt_drawable ()
114	{
115	if (xftdrawable)
116	XftDrawDestroy (xftdrawable);
117	}
118
119	rxvt_drawable::operator XftDraw *()
120	{
121	if (!xftdrawable)
122	xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
123
124	return xftdrawable;
125	}
126	#endif
127
128	/////////////////////////////////////////////////////////////////////////////
129
130	static void *enc_buf;
131	static uint32_t enc_len;
132
133	static inline void *
134	get_enc_buf (uint32_t len)
135	{
136	if (len > enc_len)
137	{
138	free (enc_buf);
139	enc_buf = malloc (len);
140	enc_len = len;
141	}
142
143	return enc_buf;
144	}
145		170
146	static const char *	171	static const char *
147	enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)	172	enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
148	{	173	{
149	uint8_t *buf = (uint8_t *)get_enc_buf (len);	174	uint8_t *buf = rxvt_temp_buf<uint8_t> (len);
		175	uint8_t *res = buf;
150		176
151	while (len--)	177	while (len--)
152	{	178	{
153	uint32_t c = FROM_UNICODE (cs, *text++);	179	uint32_t c = FROM_UNICODE (cs, *text++);
154		180
…		…
159	}	185	}
160		186
161	*buf++ = c;	187	*buf++ = c;
162	}	188	}
163		189
164	return (const char *)enc_buf;	190	return (const char *)res;
165	}	191	}
166		192
167	static const XChar2b *	193	static const XChar2b *
168	enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)	194	enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
169	{	195	{
170	XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b));	196	XChar2b *buf = rxvt_temp_buf<XChar2b> (len);
		197	XChar2b *res = buf;
171		198
172	while (len--)	199	while (len--)
173	{	200	{
174	uint32_t c = FROM_UNICODE (cs, *text++);	201	uint32_t c = FROM_UNICODE (cs, *text++);
175		202
…		…
182	buf->byte1 = c >> 8;	209	buf->byte1 = c >> 8;
183	buf->byte2 = c;	210	buf->byte2 = c;
184	buf++;	211	buf++;
185	}	212	}
186		213
187	return (XChar2b *)enc_buf;	214	return res;
188	}	215	}
189		216
190	/////////////////////////////////////////////////////////////////////////////	217	/////////////////////////////////////////////////////////////////////////////
191		218
		219	rxvt_font::rxvt_font ()
		220	: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
		221	{
		222	}
		223
192	void	224	void
		225	rxvt_font::set_name (char *name_)
		226	{
		227	if (name == name_)
		228	return;
		229
		230	if (name) free (name); // let the compiler optimize
		231	name = name_;
		232	}
		233
		234	void
193	rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color)	235	rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const
194	{	236	{
195	if (color == Color_bg)	237	dTermDisplay;
196	XClearArea (d.display->display, d, x, y, w, h, FALSE);	238	dTermGC;
		239
		240	if (color == Color_bg || color == Color_transparent)
		241	XClearArea (disp, d, x, y, w, h, false);
197	else if (color >= 0)	242	else if (color >= 0)
198	{	243	{
199	#if XFT	244	#if XFT
		245	Picture dst;
		246
		247	# ifdef HAVE_BG_PIXMAP
		248	if (term->bgPixmap.pixmap
		249	&& !term->pix_colors[color].is_opaque ()
		250	&& ((dst = XftDrawPicture (d))))
		251	{
		252	XClearArea (disp, d, x, y, w, h, false);
		253
		254	Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c);
		255	XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h);
		256	}
		257	else
		258	# endif
200	XftDrawRect (d, &r->pix_colors[color].c, x, y, w, h);	259	XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
		260
201	#else	261	#else
202	XSetForeground (d.display->display, TGC, r->pix_colors[color]);	262	XSetForeground (disp, gc, term->pix_colors[color]);
203	XFillRectangle (d.display->display, d, TGC, x, y, w, h);	263	XFillRectangle (disp, d, gc, x, y, w, h);
204	#endif	264	#endif
205	}	265	}
206	}	266	}
207		267
208	#include "table/linedraw.h"	268	/////////////////////////////////////////////////////////////////////////////
209		269
210	struct rxvt_font_default : rxvt_font {	270	struct rxvt_font_default : rxvt_font {
		271	struct rxvt_fontset *fs;
		272
		273	rxvt_font_default (rxvt_fontset *fs)
		274	: rxvt_font ()
		275	{
		276	this->fs = fs;
		277	}
211		278
212	rxvt_fontprop properties ()	279	rxvt_fontprop properties ()
213	{	280	{
214	rxvt_fontprop p;	281	rxvt_fontprop p;
215		282
216	p.width = p.height = 1;	283	p.width = p.height = 1;
		284	p.ascent = rxvt_fontprop::unset;
217	p.weight = rxvt_fontprop::medium;	285	p.weight = rxvt_fontprop::medium;
218	p.slant = rxvt_fontprop::roman;	286	p.slant = rxvt_fontprop::roman;
219		287
220	return p;	288	return p;
221	}	289	}
222		290
223	bool load (const rxvt_fontprop &prop)	291	bool load (const rxvt_fontprop &prop, bool force_prop)
224	{	292	{
225	width = 1; height = 1;	293	width = 1; height = 1;
226	ascent = 1; descent = 0;	294	ascent = 1; descent = 0;
227		295
228	set_name (strdup ("built-in pseudofont"));	296	set_name (strdup ("built-in support font"));
229		297
230	return true;	298	return true;
231	}	299	}
232		300
233	bool has_codepoint (unicode_t unicode)	301	bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
234	{	302	{
		303	careful = false;
		304
235	if (unicode <= 0x001f)	305	if (unicode <= 0x001f)
236	return true;	306	return true;
237		307
238	if (unicode <= 0x007f)	308	if (unicode <= 0x007f)
239	return false;	309	return false;
240		310
241	if (unicode <= 0x009f)	311	if (unicode <= 0x009f)
242	return true;	312	return true;
243		313
		314	#ifdef BUILTIN_GLYPHS
244	if (unicode >= 0x2500 && unicode <= 0x259f)	315	if (unicode >= 0x2500 && unicode <= 0x259f &&
		316	!term->option (Opt_skipBuiltinGlyphs))
245	return true;	317	return true;
		318	#endif
246		319
247	if (IS_COMPOSE (unicode))	320	if (IS_COMPOSE (unicode))
248	return true;	321	return true;
249		322
250	switch (unicode)	323	switch (unicode)
251	{	324	{
252	case ZERO_WIDTH_CHAR:	325	case ZERO_WIDTH_CHAR:
		326	case NOCHAR:
253	return true;	327	return true;
254	}	328	}
255		329
256	return false;	330	return false;
257	}	331	}
…		…
264	void	338	void
265	rxvt_font_default::draw (rxvt_drawable &d, int x, int y,	339	rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
266	const text_t *text, int len,	340	const text_t *text, int len,
267	int fg, int bg)	341	int fg, int bg)
268	{	342	{
		343	dTermDisplay;
		344	dTermGC;
		345
269	clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	346	clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
270		347
271	XSetForeground (d.display->display, TGC, r->pix_colors[fg]);	348	XSetForeground (disp, gc, term->pix_colors[fg]);
272		349
273	while (len--)	350	while (len)
274	{	351	{
275	#if ENABLE_COMBINING	352	#if ENABLE_COMBINING
276	compose_char *cc;	353	compose_char *cc;
277	#endif	354	#endif
		355	const text_t *tp = text;
278	text_t t = *text++;	356	text_t t = *tp;
279		357
		358	while (++text, --len && *text == NOCHAR)
		359	;
		360
		361	int width = text - tp;
		362	int fwidth = term->fwidth * width;
		363
		364	#ifdef BUILTIN_GLYPHS
280	if (0x2500 <= t && t <= 0x259f)	365	if (0x2500 <= t && t <= 0x259f)
281	{	366	{
		367	# include "table/linedraw.h"
282	uint16_t offs = linedraw_offs[t - 0x2500];	368	uint16_t offs = linedraw_offs[t - 0x2500];
283	uint32_t *a = linedraw_command + (offs >> 4);	369	uint32_t *a = linedraw_command + (offs >> 4);
284	uint32_t *b = a + (offs & 15);	370	uint32_t *b = a + (offs & 15);
285		371
286	int W = r->TermWin.fwidth;	372	int W = fwidth;
287	int H = r->TermWin.fheight;	373	int H = term->fheight;
288		374
289	int x_[16];	375	int x_[16];
290	int y_[16];	376	int y_[16];
291		377
292	for (int i = 0; i <= 8; i++)	378	for (int i = 0; i <= 8; i++)
…		…
300		386
301	XGCValues gcv;	387	XGCValues gcv;
302		388
303	gcv.cap_style = CapButt;	389	gcv.cap_style = CapButt;
304	gcv.line_width = 0;	390	gcv.line_width = 0;
305	XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv);	391	XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
306		392
307	while (a < b)	393	while (a < b)
308	{	394	{
309	uint32_t command = *a++;	395	uint32_t command = *a++;
310		396
…		…
317	int y2 = y_[(command >> 0) & 15];	403	int y2 = y_[(command >> 0) & 15];
318		404
319	switch (op)	405	switch (op)
320	{	406	{
321	case 0: // line	407	case 0: // line
322	XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2);	408	XDrawLine (disp, d, gc, x1, y1, x2, y2);
323	break;	409	break;
324		410
325	case 1: // rectangle, possibly stippled	411	case 1: // rectangle, possibly stippled
326	if (a)	412	if (a)
327	{	413	{
328	static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };	414	static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
329		415
330	gcv.fill_style = FillStippled;	416	gcv.fill_style = FillStippled;
331	gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2);	417	gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
332	gcv.ts_x_origin = x;	418	gcv.ts_x_origin = x;
333	gcv.ts_y_origin = y;	419	gcv.ts_y_origin = y;
334		420
335	XChangeGC (d.display->display, TGC,	421	XChangeGC (disp, gc,
336	GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,	422	GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
337	&gcv);	423	&gcv);
338	}	424	}
339		425
340	XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1);	426	XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
341		427
342	if (a)	428	if (a)
343	{	429	{
344	XFreePixmap (d.display->display, gcv.stipple);	430	XFreePixmap (disp, gcv.stipple);
345	gcv.stipple = 0;	431	gcv.stipple = 0;
346	gcv.fill_style = FillSolid;	432	gcv.fill_style = FillSolid;
347	XChangeGC (d.display->display, TGC, GCFillStyle, &gcv);	433	XChangeGC (disp, gc, GCFillStyle, &gcv);
348	}	434	}
349	break;	435	break;
350	case 2: // arc	436	case 2: // arc
351	XDrawArc (d.display->display, d, TGC,	437	XDrawArc (disp, d, gc,
352	x1 - W/2, y1 - H/2, W-1, H-1,	438	x1 - W/2, y1 - H/2, W-1, H-1,
353	(a - 1) * 90*64, (b - 1) * 90*64);	439	(a - 1) * 90*64, (b - 1) * 90*64);
354	break;	440	break;
355	}	441	}
356	}	442	}
357	}	443	}
		444	#else
		445	if (0)
		446	;
		447	#endif
358	#if ENABLE_COMBINING	448	#if ENABLE_COMBINING
359	else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))	449	else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
360	{	450	{
		451	min_it (width, 2); // we only support wcwidth up to 2
		452
		453	text_t chrs[2];
		454	chrs [1] = NOCHAR;
		455
		456	*chrs = cc->c1;
361	rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];	457	rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
362	f1->draw (d, x, y, &(t = cc->c1), 1, fg, bg);	458	f1->draw (d, x, y, chrs, width, fg, bg);
		459
363	if (cc->c2 != NOCHAR)	460	if (cc->c2 != NOCHAR)
364	{	461	{
		462	bool careful;
		463
365	// prefer font of first character, for no good reasons	464	// prefer font of first character, for no good reasons
366	rxvt_font *f2 = f1->has_codepoint (cc->c2)	465	*chrs = cc->c2;
		466	rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
367	? f1	467	? f1
368	: (*fs)[fs->find_font (cc->c2)];	468	: (*fs)[fs->find_font_idx (cc->c2)];
369		469
370	f2->draw (d, x, y, &(t = cc->c2), 1, fg, -1);	470	f2->draw (d, x, y, chrs, width, fg, Color_none);
371	}	471	}
372	}	472	}
373	#endif	473	#endif
374	else	474	else
375	switch (t)	475	switch (t)
376	{	476	{
		477	case '\t':
377	case ZERO_WIDTH_CHAR:	478	case ZERO_WIDTH_CHAR:
		479	case NOCHAR:
378	break;	480	break;
379		481
380	default:	482	default:
381	int w = 0;
382	while (len > 0 && *text == NOCHAR)
383	{
384	++text;
385	--len;
386	w += r->TermWin.fwidth;
387	}
388
389	XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2,	483	XDrawRectangle (disp, d, gc, x + 2, y + 2,
390	w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4);	484	fwidth - 4, term->fheight - 4);
391	x += w;
392	}	485	}
393		486
394	x += r->TermWin.fwidth;	487	x += fwidth;
		488	}
		489	}
		490
		491	struct rxvt_font_overflow : rxvt_font {
		492	struct rxvt_fontset *fs;
		493
		494	rxvt_font_overflow (rxvt_fontset *fs)
		495	: rxvt_font ()
		496	{
		497	this->fs = fs;
		498	}
		499
		500	rxvt_fontprop properties ()
		501	{
		502	rxvt_fontprop p;
		503
		504	p.width = p.height = 1;
		505	p.ascent = rxvt_fontprop::unset;
		506	p.weight = rxvt_fontprop::medium;
		507	p.slant = rxvt_fontprop::roman;
		508
		509	return p;
		510	}
		511
		512	bool load (const rxvt_fontprop &prop, bool force_prop)
		513	{
		514	width = 1; height = 1;
		515	ascent = 1; descent = 0;
		516
		517	set_name (strdup ("built-in rendition overflow font"));
		518
		519	return true;
		520	}
		521
		522	bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
		523	{
		524	return false;
		525	}
		526
		527	void draw (rxvt_drawable &d, int x, int y,
		528	const text_t *text, int len,
		529	int fg, int bg)
		530	{
		531	while (len--)
		532	{
		533	int fid = fs->find_font_idx (*text);
		534	(*fs)[fid]->draw (d, x, y, text, 1, fg, bg);
		535	++text;
		536	x += term->fwidth;
395	}	537	}
396	}	538	}
		539	};
397		540
398	/////////////////////////////////////////////////////////////////////////////	541	/////////////////////////////////////////////////////////////////////////////
399		542
400	struct rxvt_font_x11 : rxvt_font {	543	struct rxvt_font_x11 : rxvt_font {
401	rxvt_font_x11 () { f = 0; }	544	rxvt_font_x11 () { f = 0; }
402		545
403	void clear ();	546	void clear ();
404		547
405	rxvt_fontprop properties ();	548	rxvt_fontprop properties ();
406		549
407	bool load (const rxvt_fontprop &prop);	550	bool load (const rxvt_fontprop &prop, bool force_prop);
408		551
409	bool has_codepoint (unicode_t unicode);	552	bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
410		553
411	void draw (rxvt_drawable &d, int x, int y,	554	void draw (rxvt_drawable &d, int x, int y,
412	const text_t *text, int len,	555	const text_t *text, int len,
413	int fg, int bg);	556	int fg, int bg);
414		557
		558	bool slow; // whether this is a proportional font or has other funny characteristics
415	XFontStruct *f;	559	XFontStruct *f;
416	codeset cs;
417	bool enc2b, encm;	560	bool enc2b, encm;
418		561
419	char *get_property (XFontStruct *f, const char *property, const char *repl) const;	562	char *get_property (XFontStruct *f, Atom property, const char *repl) const;
420	bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);	563	bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
421	bool set_properties (rxvt_fontprop &p, XFontStruct *f);	564	bool set_properties (rxvt_fontprop &p, XFontStruct *f);
422	bool set_properties (rxvt_fontprop &p, const char *name);	565	bool set_properties (rxvt_fontprop &p, const char *name);
423	};	566	};
424		567
425	char *	568	char *
426	rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const	569	rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
427	{	570	{
428	unsigned long value;	571	unsigned long value;
429		572
430	if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value))	573	if (XGetFontProperty (f, property, &value))
431	return XGetAtomName (DISPLAY, value);	574	return XGetAtomName (term->dpy, value);
432	else	575	else
433	return rxvt_strdup (repl);	576	return repl ? strdup (repl) : 0;
434	}	577	}
435		578
436	rxvt_fontprop	579	rxvt_fontprop
437	rxvt_font_x11::properties ()	580	rxvt_font_x11::properties ()
438	{	581	{
…		…
442	}	585	}
443		586
444	bool	587	bool
445	rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)	588	rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
446	{	589	{
447	p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;	590	p.width = width != rxvt_fontprop::unset ? width
		591	: avgwidth ? (avgwidth + 1) / 10
		592	: (height + 1) / 2;
448	p.height = height;	593	p.height = height;
		594	p.ascent = rxvt_fontprop::unset;
449	p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;	595	p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
450	p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;	596	p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
451		597
452	return true;	598	return true;
453	}	599	}
454		600
455	bool	601	bool
456	rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)	602	rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
457	{	603	{
458	unsigned long height;	604	unsigned long height;
		605
		606	#if 0
459	if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))	607	if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
460	return false;	608	return false;
		609	#else
		610	height = f->ascent + f->descent;
		611	#endif
461		612
462	unsigned long avgwidth;	613	unsigned long avgwidth;
463	if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))	614	if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
464	avgwidth = 0;	615	avgwidth = 0;
465		616
466	char *weight = get_property (f, "WEIGHT_NAME", "medium");	617	char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
467	char *slant = get_property (f, "SLANT", "r");	618	char *slant = get_property (f, term->xa [XA_SLANT], "r");
468		619
469	set_properties (p, height, weight, slant, avgwidth);	620	set_properties (p, height, weight, slant, avgwidth);
470		621
471	free (weight);	622	free (weight);
472	free (slant);	623	free (slant);
473		624
		625	p.ascent = f->ascent;
		626
474	return true;	627	return true;
475	}	628	}
476		629
477	bool	630	bool
478	rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)	631	rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
479	{	632	{
		633	dTermDisplay;
480	int slashes = 0;	634	int slashes = 0;
481	const char *comp[13];	635	const char *comp[13];
482		636
483	for (const char *c = name; *c; c++)	637	for (const char *c = name; *c; c++)
484	if (*c == '-')	638	if (*c == '-')
…		…
492	if (slashes >= 13	646	if (slashes >= 13
493	&& (*comp[ 6] >= '1' && *comp[ 6] <= '9')	647	&& (*comp[ 6] >= '1' && *comp[ 6] <= '9')
494	&& (*comp[11] >= '0' && *comp[11] <= '9'))	648	&& (*comp[11] >= '0' && *comp[11] <= '9'))
495	return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));	649	return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
496		650
497	XFontStruct *f = XLoadQueryFont (DISPLAY, name);	651	XFontStruct *f = XLoadQueryFont (disp, name);
498		652
499	if (f)	653	if (f)
500	{	654	{
501	// the font should really exist now. if not, we have a problem	655	// the font should really exist now. if not, we have a problem
502	// (e.g. if the user did xset fp rehash just when we were searching fonts).	656	// (e.g. if the user did xset fp rehash just when we were searching fonts).
503	// in that case, just return garbage.	657	// in that case, just return garbage.
504	bool ret = set_properties (p, f);	658	bool ret = set_properties (p, f);
505	XFreeFont (DISPLAY, f);	659	XFreeFont (disp, f);
506	return ret;	660	return ret;
507	}	661	}
508	else	662	else
509	return false;	663	return false;
510	}	664	}
511		665
512	// fix the size of scalable fonts	666	// fix the size of scalable fonts
513	static void	667	static bool
514	fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)	668	replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
515	{	669	{
516	int slashes = 0;	670	int slashes = 0;
517	const char *size;	671	const char *field, *end;
518		672
519	for (const char *c = name; *c; c++)	673	for (const char *c = name; *c; c++)
520	if (*c == '-')	674	if (*c == '-')
521	{	675	{
522	if (slashes == 6)	676	if (slashes == index)
523	size = c + 1;	677	field = c + 1;
		678
		679	if (slashes == index + 1)
		680	end = c;
524		681
525	if (++slashes >= 13)	682	if (++slashes >= 13)
526	break;	683	break;
527	}	684	}
528		685
529	if (slashes >= 13 && size[0] == '0')	686	if (slashes >= 13 && (!old || *field == old))
530	{	687	{
531	strncpy (buf, name, size - name);	688	size_t len = field - name;
532	buf += size - name;	689	*ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
533	buf += sprintf (buf, "%d", prop.height);	690	memcpy (*ptr, name, len);
534	strcpy (buf, size + 1);	691	strcpy (*ptr + len, replace);
		692	strcat (*ptr, end);
		693
		694	return true;
535	}	695	}
536	else	696	else
537	strcpy (buf, name);	697	{
		698	*ptr = strdup (name);
		699
		700	return false;
		701	}
538	}	702	}
539		703
540	bool	704	bool
541	rxvt_font_x11::load (const rxvt_fontprop &prop)	705	rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
542	{	706	{
		707	dTermDisplay;
		708
543	clear ();	709	clear ();
		710
		711	char field_str[64]; // enough for 128 bits
		712
		713	// first morph the font if required
		714	if (force_prop)
		715	{
		716	char *fname;
		717
		718	if (name[0] != '-')
		719	{
		720	f = XLoadQueryFont (disp, name);
		721
		722	if (!f)
		723	return false;
		724
		725	char *new_name = get_property (f, XA_FONT, name);
		726
		727	if (new_name)
		728	set_name (new_name);
		729	else
		730	rxvt_warn ("font '%s' has no FONT property, continuing without.", name);
		731
		732	XFreeFont (disp, f);
		733	f = 0;
		734	}
		735
		736	if (prop.weight != rxvt_fontprop::unset)
		737	{
		738	replace_field (&fname, name, 2, 0,
		739	prop.weight < rxvt_fontprop::bold
		740	? "medium" : "bold");
		741	set_name (fname);
		742	}
		743
		744	if (prop.slant != rxvt_fontprop::unset)
		745	{
		746	replace_field (&fname, name, 3, 0,
		747	prop.slant < rxvt_fontprop::italic
		748	? "r" : "i"); // TODO: handle "o"blique, too
		749	set_name (fname);
		750	}
		751	}
		752
		753	sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
		754	? 0 : prop.height);
		755
		756	struct font_weight {
		757	char *name;
		758	int diff;
		759
		760	void clear ()
		761	{
		762	name = 0;
		763	diff = 0x7fffffff;
		764	}
		765
		766	font_weight () { clear (); }
		767	~font_weight () { free (name); }
		768	};
544		769
545	char **list;	770	char **list;
546	int count;	771	int count;
547	list = XListFonts (DISPLAY, name, 1024, &count);	772	list = XListFonts (disp, name, 4000, &count);
		773
548	set_name (0);	774	set_name (0);
549		775
550	if (!list)	776	if (!list)
551	return false;	777	return false;
552		778
553	int bestdiff = 0x7fffffff;	779	font_weight *fonts = new font_weight[count];
		780
554	for (int i = 0; i < count; i++)	781	for (int i = 0; i < count; i++)
555	{	782	{
556	rxvt_fontprop p;	783	rxvt_fontprop p;
557	char fname[1024];	784	char *fname;
558	fix_scalable (fname, list[i], prop);	785
		786	int diff = 0;
		787
		788	if (replace_field (&fname, list[i], 6, '0', field_str))
		789	diff += 10; // slightly penalize scalable fonts
		790	else
		791	{
		792	free (fname);
		793	if (replace_field (&fname, list[i], 11, '0', "0"))
		794	diff += 300; // more heavily penalize what looks like scaled bitmap fonts
		795	}
559		796
560	if (!set_properties (p, fname))	797	if (!set_properties (p, fname))
561	continue;	798	continue;
562		799
		800	if (prop.height != rxvt_fontprop::unset
563	if (p.height > prop.height) // weed out too large fonts	801	&& p.height > prop.height) // weed out too large fonts
564	continue;	802	continue;
565		803
566	int diff = (prop.height - p.height) * 32	804	if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
567	+ abs (prop.weight - p.weight)	805	if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
568	+ abs (prop.slant - p.slant );	806	if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
		807	//if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
569		808
570	if (!name // compare against best found so far	809	fonts[i].name = fname;
571	|| diff < bestdiff)	810	fonts[i].diff = diff;
572	{
573	set_name (strdup (fname));
574	bestdiff = diff;
575	}
576	}	811	}
577		812
578	XFreeFontNames (list);	813	XFreeFontNames (list);
579		814
580	if (!name)	815	// this loop only iterates when the guessed font-size is too small
581	return false;	816	for (;;)
		817	{
		818	font_weight *best = fonts + count - 1;
582		819
583	f = XLoadQueryFont (DISPLAY, name);	820	for (font_weight *w = best; w-- > fonts; )
		821	if (w->diff <= best->diff)
		822	best = w;
		823
		824	if (!best->name
		825	|| !(f = XLoadQueryFont (disp, best->name)))
		826	break;
		827
		828	set_name (best->name);
		829	best->clear ();
		830
		831	ascent = f->ascent;
		832	descent = f->descent;
		833	height = ascent + descent;
		834
		835	if (prop.height == rxvt_fontprop::unset
		836	|| height <= prop.height)
		837	break; // font is ready for use
		838
		839	// PIXEL_SIZE small enough, but real height too large
		840	clear ();
		841	}
		842
		843	delete [] fonts;
584		844
585	if (!f)	845	if (!f)
586	return false;	846	return false;
587		847
588	char *registry = get_property (f, "CHARSET_REGISTRY", 0);	848	char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
589	char *encoding = get_property (f, "CHARSET_ENCODING", 0);	849	char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
		850
		851	cs = CS_UNKNOWN;
590		852
591	if (registry && encoding)	853	if (registry && encoding)
592	{	854	{
593	char charset[64];	855	char charset[64];
594	snprintf (charset, 64, "%s-%s", registry, encoding);	856	snprintf (charset, 64, "%s-%s", registry, encoding);
595		857
596	cs = codeset_from_name (charset);	858	cs = codeset_from_name (charset);
597	}	859
598	else	860	if (cs == CS_UNKNOWN)
		861	rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
599	{	862	}
		863
		864	free (registry);
		865	free (encoding);
		866
		867	if (cs == CS_UNKNOWN)
		868	{
600	const char *charset = get_property (f, "FONT", 0);	869	const char *charset = get_property (f, XA_FONT, 0);
601		870
602	if (!charset)	871	if (!charset)
603	charset = name;	872	charset = name;
604		873
605	int count = 13;	874	int count = 13;
606	while (*charset)	875	while (*charset)
607	if (*charset++ == '-' && !--count)	876	if (*charset++ == '-' && !--count)
608	break;	877	break;
609		878
610	cs = codeset_from_name (charset);	879	cs = codeset_from_name (charset);
		880	if (cs == CS_UNKNOWN)
		881	rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
		882	}
		883
		884	if (cs == CS_UNKNOWN)
611	}	885	{
612		886	clear ();
613	free (registry);	887	return false;
614	free (encoding);	888	}
615		889
616	if (cs == CS_UNICODE)	890	if (cs == CS_UNICODE)
617	cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font	891	cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
618		892
619	encm = f->min_byte1 != 0 || f->max_byte1 != 0;	893	encm = f->min_byte1 != 0 || f->max_byte1 != 0;
620	enc2b = encm || f->max_char_or_byte2 > 255;	894	enc2b = encm || f->max_char_or_byte2 > 255;
621		895
622	ascent = f->ascent;
623	descent = f->descent;
624	height = ascent + descent;
625
626	slow = false;	896	slow = false;
627		897
		898	#if 1 // only used for slow detection, TODO optimize
628	if (f->min_bounds.width == f->max_bounds.width)	899	if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
629	width = f->min_bounds.width;
630	else if (f->per_char == NULL)
631	width = f->max_bounds.width;	900	width = f->max_bounds.width;
632	else	901	else
633	{	902	{
634	slow = true;	903	slow = true;
635		904
636	int N = f->max_char_or_byte2 - f->min_char_or_byte2;	905	int N = f->max_char_or_byte2 - f->min_char_or_byte2;
637		906
638	if (encm)	907	if (encm)
639	N += (f->max_byte1 - f->min_byte1)	908	N += (f->max_byte1 - f->min_byte1)
640	* (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);	909	* (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
641		910
642	while (N)	911	while (N)
643	{	912	{
644	if (f->per_char[N].width > width)	913	if (f->per_char[N].width > width)
645	width = f->per_char[N].width;	914	width = f->per_char[N].width;
646		915
647	--N;	916	--N;
648	}	917	}
649	}	918	}
		919	#endif
650		920
651	if (cs == CS_UNKNOWN)	921	width = 1;
		922
		923	for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
		924	{
		925	if (FROM_UNICODE (cs, *t) == NOCHAR)
		926	continue;
		927
		928	// ignore characters we wouldn't use anyways
		929	bool careful;
		930	if (!has_char (*t, &prop, careful))
		931	continue;
		932
		933	XChar2b ch = { *t >> 8, *t };
		934
		935	XCharStruct g;
		936	int dir_ret, asc_ret, des_ret;
		937	XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
		938
		939	int wcw = WCWIDTH (*t);
		940	if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
		941
		942	if (width < g.width) width = g.width;
652	{	943	}
653	fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
654		944
		945	#if 0 // do it per-character
		946	if (prop && width > prop->width)
		947	{
655	clear ();	948	clear ();
656
657	return false;	949	return false;
658	}	950	}
		951	#endif
659		952
660	return true;	953	return true;
661	}	954	}
662		955
663	void	956	void
664	rxvt_font_x11::clear ()	957	rxvt_font_x11::clear ()
665	{	958	{
666	if (f)	959	if (f)
667	{	960	{
668	XFreeFont (DISPLAY, f);	961	XFreeFont (term->dpy, f);
669	f = 0;	962	f = 0;
670	}	963	}
671	}	964	}
672		965
673	bool	966	bool
674	rxvt_font_x11::has_codepoint (unicode_t unicode)	967	rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
675	{	968	{
676	uint32_t ch = FROM_UNICODE (cs, unicode);	969	uint32_t ch = FROM_UNICODE (cs, unicode);
677		970
678	if (ch == NOCHAR)	971	if (ch == NOCHAR)
679	return false;	972	return false;
680		973
681	/* check wether the character exists in _this_ font. horrible. */	974	/* check whether the character exists in _this_ font. horrible. */
682	XCharStruct *xcs;	975	XCharStruct *xcs;
683		976
684	if (encm)	977	if (encm)
685	{	978	{
686	unsigned char byte1 = ch >> 8;	979	unsigned char byte1 = ch >> 8;
…		…
688		981
689	if (byte1 < f->min_byte1 || byte1 > f->max_byte1	982	if (byte1 < f->min_byte1 || byte1 > f->max_byte1
690	|| byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)	983	|| byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
691	return false;	984	return false;
692		985
693	if (!f->per_char)	986	if (f->per_char)
694	return true;	987	{
695
696	int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1;	988	int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1;
697	int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2;	989	int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2;
698		990
699	xcs = f->per_char + N;	991	xcs = f->per_char + N;
		992	}
		993	else
		994	xcs = &f->max_bounds;
700	}	995	}
701	else	996	else
702	{	997	{
703	if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2)	998	if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2)
704	return false;	999	return false;
705		1000
706	if (!f->per_char)	1001	if (f->per_char)
707	return true;
708
709	xcs = f->per_char + (ch - f->min_char_or_byte2);	1002	xcs = f->per_char + (ch - f->min_char_or_byte2);
		1003	else
		1004	xcs = &f->max_bounds;
710	}	1005	}
711		1006
712	if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0	1007	if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0
713	&& xcs->ascent == 0 && xcs->descent == 0)	1008	&& xcs->ascent == 0 && xcs->descent == 0)
		1009	return false;
		1010
		1011	if (!prop || prop->width == rxvt_fontprop::unset)
		1012	return true;
		1013
		1014	// check whether character overlaps previous/next character
		1015	int w = xcs->rbearing - xcs->lbearing;
		1016	int wcw = max (WCWIDTH (unicode), 1);
		1017
		1018	careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
		1019
		1020	if (careful && !OVERLAP_OK (w, wcw, prop))
714	return false;	1021	return false;
715		1022
716	return true;	1023	return true;
717	}	1024	}
718		1025
…		…
724	// this looks like a mess /.	1031	// this looks like a mess /.
725	// and it is a mess /.	1032	// and it is a mess /.
726	// yet we are trying to be perfect /.	1033	// yet we are trying to be perfect /.
727	// but the result still isn't perfect /.	1034	// but the result still isn't perfect /.
728		1035
		1036	dTermDisplay;
		1037	dTermGC;
		1038
729	bool slow = this->slow	1039	bool slow = this->slow
730	|| width != r->TermWin.fwidth	1040	|| width != term->fwidth
731	|| height != r->TermWin.fheight;	1041	|| height != term->fheight;
732		1042
733	int base = r->TermWin.fbase;	1043	int base = ascent; // sorry, incorrect: term->fbase;
734		1044
735	XGCValues v;	1045	XGCValues v;
736	v.foreground = r->pix_colors[fg];	1046	v.foreground = term->pix_colors[fg];
737	v.font = f->fid;	1047	v.font = f->fid;
738		1048
739	if (enc2b)	1049	if (enc2b)
740	{	1050	{
741	const XChar2b *xc = enc_xchar2b (text, len, cs, slow);	1051	const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
742		1052
743	if (bg == Color_bg && !slow)	1053	if (bg == Color_bg && !slow)
744	{	1054	{
745	v.background = r->pix_colors[bg];	1055	v.background = term->pix_colors[bg];
746	XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v);	1056	XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
747	XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len);	1057	XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
748	}	1058	}
749	else	1059	else
750	{	1060	{
751	clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	1061	clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
752		1062
753	XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v);	1063	XChangeGC (disp, gc, GCForeground | GCFont, &v);
754		1064
755	if (slow)	1065	if (slow)
756	{	1066	{
757	do	1067	do
758	{	1068	{
759	if (xc->byte1 || xc->byte2)	1069	if (xc->byte1 || xc->byte2)
760	XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1);	1070	XDrawString16 (disp, d, gc, x, y + base, xc, 1);
761		1071
762	x += r->TermWin.fwidth;	1072	x += term->fwidth;
763	xc++; len--;	1073	xc++; len--;
764	}	1074	}
765	while (len);	1075	while (len);
766	}	1076	}
767	else	1077	else
768	XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len);	1078	XDrawString16 (disp, d, gc, x, y + base, xc, len);
769	}	1079	}
770	}	1080	}
771	else	1081	else
772	{	1082	{
773	const char *xc = enc_char (text, len, cs, slow);	1083	const char *xc = enc_char (text, len, cs, slow);
774		1084
775	if (bg == Color_bg && !slow)	1085	if (bg == Color_bg && !slow)
776	{	1086	{
777	v.background = r->pix_colors[bg];	1087	v.background = term->pix_colors[bg];
778	XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v);	1088	XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
779	XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len);	1089	XDrawImageString (disp, d, gc, x, y + base, xc, len);
780	}	1090	}
781	else	1091	else
782	{	1092	{
783	clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	1093	clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
784		1094
785	XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v);	1095	XChangeGC (disp, gc, GCForeground | GCFont, &v);
786		1096
787	if (slow)	1097	if (slow)
788	{	1098	{
789	do	1099	do
790	{	1100	{
791	if (*xc)	1101	if (*xc)
792	XDrawString (d.display->display, d, TGC, x, y + base, xc, 1);	1102	XDrawString (disp, d, gc, x, y + base, xc, 1);
793		1103
794	x += r->TermWin.fwidth;	1104	x += term->fwidth;
795	xc++; len--;	1105	xc++; len--;
796	}	1106	}
797	while (len);	1107	while (len);
798	}	1108	}
799	else	1109	else
800	XDrawString (d.display->display, d, TGC, x, y + base, xc, len);	1110	XDrawString (disp, d, gc, x, y + base, xc, len);
801	}	1111	}
802	}	1112	}
803	}	1113	}
804		1114
805	/////////////////////////////////////////////////////////////////////////////	1115	/////////////////////////////////////////////////////////////////////////////
806		1116
807	#if XFT	1117	#if XFT
808	#if 0
809	#define UNIBITS 21
810	//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
811	#define SWATHBITS 8
812	#endif
813		1118
814	struct rxvt_font_xft : rxvt_font {	1119	struct rxvt_font_xft : rxvt_font {
815	rxvt_font_xft () { f = 0; }	1120	rxvt_font_xft () { f = 0; }
816		1121
817	void clear ();	1122	void clear ();
818		1123
819	rxvt_fontprop properties ();	1124	rxvt_fontprop properties ();
820		1125
821	bool load (const rxvt_fontprop &prop);	1126	bool load (const rxvt_fontprop &prop, bool force_prop);
822		1127
823	void draw (rxvt_drawable &d, int x, int y,	1128	void draw (rxvt_drawable &d, int x, int y,
824	const text_t *text, int len,	1129	const text_t *text, int len,
825	int fg, int bg);	1130	int fg, int bg);
826		1131
827	bool has_codepoint (unicode_t unicode);	1132	bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
828		1133
829	protected:	1134	protected:
830	XftFont *f;	1135	XftFont *f;
831	};	1136	};
832		1137
833	void	1138	void
834	rxvt_font_xft::clear ()	1139	rxvt_font_xft::clear ()
835	{	1140	{
836	if (f)	1141	if (f)
837	{	1142	{
838	XftFontClose (DISPLAY, f);	1143	XftFontClose (term->dpy, f);
839	f = 0;	1144	f = 0;
840	}	1145	}
841	}	1146	}
842		1147
843	rxvt_fontprop	1148	rxvt_fontprop
…		…
847		1152
848	FT_Face face = XftLockFace (f);	1153	FT_Face face = XftLockFace (f);
849		1154
850	p.width = width;	1155	p.width = width;
851	p.height = height;	1156	p.height = height;
		1157	p.ascent = ascent;
852	p.weight = face->style_flags & FT_STYLE_FLAG_BOLD	1158	p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
853	? rxvt_fontprop::bold : rxvt_fontprop::medium;	1159	? rxvt_fontprop::bold : rxvt_fontprop::medium;
854	p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC	1160	p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
855	? rxvt_fontprop::italic : rxvt_fontprop::roman;	1161	? rxvt_fontprop::italic : rxvt_fontprop::roman;
856		1162
…		…
858		1164
859	return p;	1165	return p;
860	}	1166	}
861		1167
862	bool	1168	bool
863	rxvt_font_xft::load (const rxvt_fontprop &prop)	1169	rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
864	{	1170	{
865	#if 0	1171	dTermDisplay;
866	for (int i = 0; i < SWATHCOUNT; i++)
867	cvr[i] = 0;
868	#endif
869		1172
870	clear ();	1173	clear ();
871		1174
872	FcPattern *p = FcNameParse ((FcChar8 *) name);	1175	FcPattern *p = FcNameParse ((FcChar8 *) name);
873		1176
874	if (!p)	1177	if (!p)
875	return false;	1178	return false;
876		1179
877	FcValue v;	1180	FcValue v;
878		1181
		1182	if (prop.height != rxvt_fontprop::unset
879	if (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch)	1183	&& (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
		1184	&& FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
880	FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);	1185	FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
881		1186
		1187	if (prop.weight != rxvt_fontprop::unset
882	if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)	1188	&& (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
883	FcPatternAddInteger (p, FC_WEIGHT, prop.weight);	1189	FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
884		1190
		1191	if (prop.slant != rxvt_fontprop::unset
885	if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)	1192	&& (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
886	FcPatternAddInteger (p, FC_SLANT, prop.slant);	1193	FcPatternAddInteger (p, FC_SLANT, prop.slant);
887
888	if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
889	FcPatternAddBool (p, FC_MINSPACE, 1);
890		1194
891	#if 0 // clipping unfortunately destroys our precious double-width-characters	1195	#if 0 // clipping unfortunately destroys our precious double-width-characters
892	// clip width, we can't do better, or can we?	1196	// clip width, we can't do better, or can we?
893	if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)	1197	if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
894	FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);	1198	FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
895	#endif	1199	#endif
896		1200
		1201	if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
		1202	FcPatternAddBool (p, FC_MINSPACE, 1);
		1203
		1204	// store generated name so iso14755 view gives better results
		1205	set_name ((char *)FcNameUnparse (p));
		1206
897	XftResult result;	1207	XftResult result;
898	FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);	1208	FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
899		1209
900	FcPatternDestroy (p);	1210	FcPatternDestroy (p);
901		1211
902	if (!match)	1212	if (!match)
903	return false;	1213	return false;
904		1214
905	f = XftFontOpenPattern (DISPLAY, match);
906
907	if (!f)
908	{
909	FcPatternDestroy (match);
910	return false;
911	}
912
913	FT_Face face = XftLockFace (f);
914
915	slow = !FT_IS_FIXED_WIDTH (face);
916
917	int ftheight = 0;	1215	int ftheight = 0;
		1216	bool success = true;
918		1217
919	for (;;)	1218	for (;;)
920	{	1219	{
921	XGlyphInfo g1, g2;	1220	f = XftFontOpenPattern (disp, FcPatternDuplicate (match));
922	FcChar8 c;
923		1221
924	c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1);	1222	if (!f)
925	c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2);	1223	{
		1224	success = false;
		1225	break;
		1226	}
926		1227
927	if (g1.xOff != g2.xOff) // don't simply trust the font	1228	FT_Face face = XftLockFace (f);
928	slow = true;
929		1229
930	width = g2.xOff;
931	ascent = (face->size->metrics.ascender + 63) >> 6;	1230	ascent = (face->size->metrics.ascender + 63) >> 6;
932	descent = (-face->size->metrics.descender + 63) >> 6;	1231	descent = (-face->size->metrics.descender + 63) >> 6;
933	height = ascent + descent;	1232	height = max (ascent + descent, (face->size->metrics.height + 63) >> 6);
		1233	width = 0;
934		1234
		1235	bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
		1236
		1237	XftUnlockFace (f);
		1238
		1239	int glheight = height;
		1240
		1241	for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
		1242	{
		1243	FcChar16 ch = *t;
		1244
		1245	if (cs != CS_UNICODE
		1246	&& ch > 0x100
		1247	&& FROM_UNICODE (cs, ch) == NOCHAR)
		1248	continue;
		1249
		1250	// ignore characters we wouldn't use anyways
		1251	bool careful;
		1252	if (!has_char (*t, &prop, careful))
		1253	continue;
		1254
		1255	XGlyphInfo g;
		1256	XftTextExtents16 (disp, f, &ch, 1, &g);
		1257
		1258	g.width -= g.x;
		1259
		1260	int wcw = WCWIDTH (ch);
		1261	if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
		1262
		1263	if (width < g.width ) width = g.width;
		1264	if (height < g.height ) height = g.height;
		1265	if (glheight < g.height - g.y) glheight = g.height - g.y;
		1266	}
		1267
		1268	if (!width)
		1269	{
		1270	rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name);
		1271
		1272	XftFontClose (disp, f);
		1273	f = 0;
		1274
		1275	success = false;
		1276	break;
		1277	}
		1278
		1279	if (prop.height == rxvt_fontprop::unset
935	if (height <= prop.height || !prop.height)	1280	|| (height <= prop.height && glheight <= prop.height)
		1281	|| height <= 2
		1282	|| !scalable)
936	break;	1283	break;
937		1284
938	if (ftheight)	1285	if (ftheight)
939	{	1286	{
940	// take smaller steps near the end	1287	// take smaller steps near the end
941	if (height > prop.height + 1) ftheight++;	1288	if (height > prop.height + 1) ftheight++;
942	if (height > prop.height + 2) ftheight++;	1289	if (height > prop.height + 2) ftheight++;
943	if (height > prop.height + 3) ftheight++;	1290	if (height > prop.height + 3) ftheight++;
944		1291
945	FT_Set_Pixel_Sizes (face, 0, ftheight -= height - prop.height);	1292	ftheight -= height - prop.height;
946	}	1293	}
947	else	1294	else
948	FT_Set_Pixel_Sizes (face, 0, ftheight = prop.height);	1295	ftheight = prop.height - 1;
		1296
		1297	XftFontClose (disp, f);
		1298	FcPatternDel (match, FC_PIXEL_SIZE);
		1299	FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
		1300	}
		1301
		1302	FcPatternDestroy (match);
		1303
		1304	#if 0 // do it per-character
		1305	if (prop.width != rxvt_fontprop::unset && width > prop.width)
949	}	1306	{
		1307	clear ();
		1308	success = false;
		1309	}
		1310	#endif
950		1311
951	XftUnlockFace (f);	1312	return success;
		1313	}
		1314
		1315	bool
		1316	rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
		1317	{
		1318	careful = false;
		1319
		1320	if (!XftCharExists (term->dpy, f, unicode))
		1321	return false;
		1322
		1323	if (!prop || prop->width == rxvt_fontprop::unset)
		1324	return true;
		1325
		1326	// check character against base font bounding box
		1327	FcChar32 ch = unicode;
		1328	XGlyphInfo g;
		1329	XftTextExtents32 (term->dpy, f, &ch, 1, &g);
		1330
		1331	int w = g.width - g.x;
		1332	int wcw = max (WCWIDTH (unicode), 1);
		1333
		1334	careful = g.x > 0 || w > prop->width * wcw;
		1335
		1336	if (careful && !OVERLAP_OK (w, wcw, prop))
		1337	return false;
		1338
		1339	// this weeds out _totally_ broken fonts, or glyphs
		1340	if (!OVERLAP_OK (g.xOff, wcw, prop))
		1341	return false;
952		1342
953	return true;	1343	return true;
954	}
955
956	bool
957	rxvt_font_xft::has_codepoint (unicode_t unicode)
958	{
959	return XftCharExists (DISPLAY, f, unicode);
960	}	1344	}
961		1345
962	void	1346	void
963	rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,	1347	rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
964	const text_t *text, int len,	1348	const text_t *text, int len,
965	int fg, int bg)	1349	int fg, int bg)
966	{	1350	{
967	clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	1351	XGlyphInfo extents;
		1352	XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
		1353	XftGlyphSpec *ep = enc;
968		1354
969	if (0 && !slow && width == r->TermWin.fwidth)	1355	dTermDisplay;
970	{	1356	dTermGC;
971	if (sizeof (text_t) == sizeof (FcChar16))	1357
972	XftDrawString16 (d, &r->pix_colors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);	1358	int w = term->fwidth * len;
973	else	1359	int h = term->fheight;
974	XftDrawString32 (d, &r->pix_colors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);	1360
975	}	1361	bool buffered = bg >= Color_transparent
976	else	1362	&& term->option (Opt_buffered);
977	{	1363
		1364	// cut trailing spaces
		1365	while (len && text [len - 1] == ' ')
		1366	len--;
		1367
		1368	int x_ = buffered ? 0 : x;
		1369	int y_ = buffered ? 0 : y;
		1370
978	while (len)	1371	while (len)
		1372	{
		1373	int cwidth = term->fwidth;
		1374	FcChar32 fc = *text++; len--;
		1375
		1376	while (len && *text == NOCHAR)
		1377	text++, len--, cwidth += term->fwidth;
		1378
		1379	if (fc != ' ') // skip spaces
		1380	{
		1381	FT_UInt glyph = XftCharIndex (disp, f, fc);
		1382	XftGlyphExtents (disp, f, &glyph, 1, &extents);
		1383
		1384	ep->glyph = glyph;
		1385	ep->x = x_ + (cwidth - extents.xOff >> 1);
		1386	ep->y = y_ + ascent;
		1387
		1388	if (extents.xOff == 0)
		1389	ep->x = x_ + cwidth;
		1390
		1391	ep++;
979	{	1392	}
980	if (*text != NOCHAR && *text != ' ')	1393
		1394	x_ += cwidth;
		1395	}
		1396
		1397	if (buffered)
		1398	{
		1399	if (ep != enc)
		1400	{
		1401	rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
		1402
		1403	#ifdef HAVE_BG_PIXMAP
		1404	Picture dst = 0; // the only assignment is done conditionally in the following if condition
		1405
		1406	if (term->bgPixmap.pixmap
		1407	&& (bg == Color_transparent || bg == Color_bg
		1408	|| (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
981	{	1409	{
982	int fwidth = r->TermWin.fwidth;	1410	int src_x = x, src_y = y;
983	if (len >= 2 && text[1] == NOCHAR)
984	fwidth *= 2;
985		1411
986	XGlyphInfo extents;	1412	if (term->bgPixmap.flags & bgPixmap_t::isTransparent)
987	if (sizeof (text_t) == sizeof (FcChar16))
988	{	1413	{
989	XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);	1414	src_x += term->window_vt_x;
990	XftDrawString16 (d, &r->pix_colors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,	1415	src_y += term->window_vt_y;
991	y + r->TermWin.fbase, (const FcChar16 *)text, 1);	1416	}
		1417
		1418	if (term->bgPixmap.pmap_width >= src_x + w
		1419	&& term->bgPixmap.pmap_height >= src_y + h)
		1420	{
		1421	XCopyArea (disp, term->bgPixmap.pixmap, d2, gc,
		1422	src_x, src_y, w, h, 0, 0);
992	}	1423	}
993	else	1424	else
994	{	1425	{
995	XGlyphInfo extents;	1426	XGCValues gcv;
996	XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);	1427
997	XftDrawString32 (d, &r->pix_colors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,	1428	gcv.fill_style = FillTiled;
998	y + r->TermWin.fbase, (const FcChar32 *)text, 1);	1429	gcv.tile = term->bgPixmap.pixmap;
		1430	gcv.ts_x_origin = -src_x;
		1431	gcv.ts_y_origin = -src_y;
		1432
		1433	XChangeGC (disp, gc,
		1434	GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
		1435	&gcv);
		1436
		1437	XFillRectangle (disp, d2, gc, 0, 0, w, h);
		1438
		1439	gcv.fill_style = FillSolid;
		1440	XChangeGC (disp, gc, GCFillStyle, &gcv);
		1441	}
		1442
		1443	if (dst)
		1444	{
		1445	Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
		1446
		1447	// dst can only be set when bg >= 0
		1448	XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
999	}	1449	}
1000	}	1450	}
1001
1002	x += r->TermWin.fwidth;
1003	text++;
1004	len--;	1451	else
		1452	#endif
		1453	XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
		1454
		1455	XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
		1456	XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1005	}	1457	}
		1458	else
		1459	clear_rect (d, x, y, w, h, bg);
		1460	}
		1461	else
1006	}	1462	{
		1463	clear_rect (d, x, y, w, h, bg);
		1464	XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
		1465	}
1007	}	1466	}
		1467
1008	#endif	1468	#endif
1009		1469
1010	/////////////////////////////////////////////////////////////////////////////	1470	/////////////////////////////////////////////////////////////////////////////
1011		1471
1012	rxvt_fontset::rxvt_fontset (rxvt_t r)	1472	rxvt_fontset::rxvt_fontset (rxvt_term *term)
1013	: r (r), fontdesc (0)	1473	: fontdesc (0), term (term)
1014	{	1474	{
1015	clear ();	1475	clear ();
1016	}	1476	}
1017		1477
1018	rxvt_fontset::~rxvt_fontset ()	1478	rxvt_fontset::~rxvt_fontset ()
…		…
1021	}	1481	}
1022		1482
1023	void	1483	void
1024	rxvt_fontset::clear ()	1484	rxvt_fontset::clear ()
1025	{	1485	{
		1486	prop.width = prop.height = prop.ascent = prop.weight = prop.slant
		1487	= rxvt_fontprop::unset;
		1488	force_prop = false;
		1489
1026	for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)	1490	for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1027	FONT_UNREF (*i);	1491	(*i)->unref ();
		1492
		1493	for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
		1494	delete *p;
1028		1495
1029	free (fontdesc); fontdesc = 0;	1496	free (fontdesc); fontdesc = 0;
1030		1497
1031	fonts.clear ();	1498	fonts.clear ();
1032	base_id = 0;
1033	base_prop.height = 0x7fffffff;
1034	base_prop.weight = rxvt_fontprop::medium;
1035	base_prop.slant = rxvt_fontprop::roman;
1036		1499
1037	fallback = fallback_fonts;	1500	fallback = fallback_fonts;
		1501	}
		1502
		1503	void
		1504	rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
		1505	{
		1506	font->set_term (term);
		1507
		1508	font->cs = cs;
		1509	font->loaded = false;
1038	}	1510	}
1039		1511
1040	rxvt_font *	1512	rxvt_font *
1041	rxvt_fontset::new_font (const char *name, codeset cs)	1513	rxvt_fontset::new_font (const char *name, codeset cs)
1042	{	1514	{
1043	rxvt_font *f;	1515	rxvt_font *f;
1044		1516
1045	if (!name || !*name)	1517	if (!name || !*name)
1046	{	1518	{
1047	name = "";	1519	name = "";
1048	f = new rxvt_font_default;	1520	f = new rxvt_font_default (this);
1049	}	1521	}
1050	#if XFT	1522	#if XFT
1051	else if (!strncmp (name, "xft:", 4))	1523	else if (!strncmp (name, "xft:", 4))
1052	{	1524	{
1053	name += 4;	1525	name += 4;
1054	f = new rxvt_font_xft;	1526	f = new rxvt_font_xft ();
1055	}	1527	}
1056	#endif	1528	#endif
1057	else if (!strncmp (name, "x:", 2))	1529	else if (!strncmp (name, "x:", 2))
1058	{	1530	{
1059	name += 2;	1531	name += 2;
1060	f = new rxvt_font_x11;	1532	f = new rxvt_font_x11;
1061	}	1533	}
1062	else	1534	else
1063	f = new rxvt_font_x11;	1535	f = new rxvt_font_x11;
1064		1536
1065	f->fs = this;
1066	f->set_term (r);
1067	f->set_name (strdup (name));	1537	f->set_name (strdup (name));
1068		1538	prepare_font (f, cs);
1069	f->cs = cs;
1070	f->loaded = false;
1071		1539
1072	return f;	1540	return f;
1073	}	1541	}
1074		1542
1075	/////////////////////////////////////////////////////////////////////////////	1543	/////////////////////////////////////////////////////////////////////////////
		1544
		1545	void
		1546	rxvt_fontset::push_font (rxvt_font *font)
		1547	{
		1548	// the fontCount index is reserved for the overflow font, it is only
		1549	// necessary when we get fontCount or more fonts, as they cannot be
		1550	// represented in the rendition.
		1551	if (fonts.size () == fontCount)
		1552	{
		1553	rxvt_font *f = new rxvt_font_overflow (this);
		1554
		1555	prepare_font (f, CS_UNICODE);
		1556	fonts.push_back (f);
		1557	}
		1558
		1559	fonts.push_back (font);
		1560	}
1076		1561
1077	void	1562	void
1078	rxvt_fontset::add_fonts (const char *desc)	1563	rxvt_fontset::add_fonts (const char *desc)
1079	{	1564	{
1080	if (desc)	1565	if (desc)
…		…
1082	char buf[512];	1567	char buf[512];
1083	const char *end;	1568	const char *end;
1084		1569
1085	do	1570	do
1086	{	1571	{
1087	while (*desc <= ' ') desc++;	1572	while (*desc && *desc <= ' ')
		1573	desc++;
		1574
		1575	codeset cs = CS_UNICODE;
1088		1576
1089	if (*desc == '[')	1577	if (*desc == '[')
1090	{	1578	{
1091	fprintf (stderr, "extra font parameters not yet supported, skipping.\n");	1579	char spec[256];
1092
1093	//const char *extra = desc++; // not yet used	1580	const char *extra = ++desc; // not yet used
1094		1581
1095	desc = strchr (desc, ']');	1582	desc = strchr (desc, ']');
1096		1583
1097	if (!desc)	1584	if (!desc)
1098	{	1585	{
1099	fprintf (stderr, "ERROR: opening '[' without closing ']' in font specification.\n");	1586	rxvt_warn ("ERROR: opening '[' without closing ']' in font specification, trying to continue.\n");
1100	break;	1587	break;
1101	}	1588	}
		1589
		1590	memcpy (spec, extra, min (desc - extra, 255));
		1591	spec[min (desc - extra, 255)] = 0;
		1592
		1593	if (!strncmp (extra, "codeset=", sizeof ("codeset=") - 1))
		1594	cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
		1595	else
		1596	rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1102		1597
1103	desc++;	1598	desc++;
1104	while (*desc <= ' ') desc++;	1599	while (*desc <= ' ') desc++;
1105	}	1600	}
1106		1601
…		…
1108	if (!end)	1603	if (!end)
1109	end = desc + strlen (desc);	1604	end = desc + strlen (desc);
1110		1605
1111	if (end - desc < 511)	1606	if (end - desc < 511)
1112	{	1607	{
1113	strncpy (buf, desc, end - desc);	1608	memcpy (buf, desc, end - desc);
1114	buf[end - desc] = 0;	1609	buf[end - desc] = 0;
1115		1610
1116	fonts.push_back (new_font (buf, CS_UNICODE));	1611	push_font (new_font (buf, cs));
1117	}	1612	}
		1613	else
		1614	rxvt_warn ("fontset element too long (>511 bytes), ignored.");
1118		1615
1119	desc = end + 1;	1616	desc = end + 1;
1120	}	1617	}
1121	while (*end);	1618	while (*end);
1122	}	1619	}
1123	}	1620	}
1124		1621
1125	bool	1622	bool
1126	rxvt_fontset::realize_font (int i)	1623	rxvt_fontset::realize_font (int i)
1127	{	1624	{
		1625	if (i < 0 || i >= fonts.size ())
		1626	return false;
		1627
1128	if (fonts[i]->loaded)	1628	if (fonts[i]->loaded)
1129	return true;	1629	return true;
1130		1630
1131	fonts[i]->loaded = true;	1631	fonts[i]->loaded = true;
1132		1632
1133	if (!fonts[i]->load (base_prop))	1633	if (!fonts[i]->load (prop, force_prop))
1134	{	1634	{
1135	fonts[i]->cs = CS_UNKNOWN;	1635	fonts[i]->cs = CS_UNKNOWN;
1136	return false;	1636	return false;
1137	}	1637	}
1138		1638
…		…
1144	{	1644	{
1145	clear ();	1645	clear ();
1146		1646
1147	fontdesc = strdup (desc);	1647	fontdesc = strdup (desc);
1148		1648
1149	fonts.push_back (new_font (0, CS_UNICODE));	1649	push_font (new_font (0, CS_UNICODE));
1150	realize_font (0);	1650	realize_font (0);
1151		1651
1152	add_fonts (desc);	1652	add_fonts (desc);
1153
1154	if (!base_id)
1155	base_id = 1;
1156
1157	// we currently need a base-font, no matter what
1158	if ((int)fonts.size () <= base_id || !realize_font (base_id))
1159	{
1160	puts ("unable to load specified font (s), falling back to 'fixed'\n");
1161	add_fonts ("fixed");
1162	base_id = fonts.size () - 1;
1163	}
1164
1165	if ((int)fonts.size () <= base_id || !realize_font (base_id))
1166	return false;
1167
1168	base_prop = fonts[base_id]->properties ();
1169		1653
1170	return true;	1654	return true;
1171	}	1655	}
1172		1656
1173	int	1657	int
…		…
1179		1663
1180	return -1;	1664	return -1;
1181	}	1665	}
1182		1666
1183	int	1667	int
1184	rxvt_fontset::find_font (unicode_t unicode, bool bold)	1668	rxvt_fontset::find_font_idx (unicode_t unicode)
1185	{	1669	{
		1670	if (unicode >= 1<<20)
		1671	return 0;
1186		1672
1187	for (unsigned int i = !!(0x20 <= unicode && unicode <= 0x7f); // skip pseudo-font for ascii	1673	unicode_t hi = unicode >> 8;
1188	i < fonts.size ();	1674
1189	i++)	1675	if (hi < fmap.size ()
		1676	&& fmap[hi]
		1677	&& (*fmap[hi])[unicode & 0xff] != 0xff)
		1678	return (*fmap[hi])[unicode & 0xff];
		1679
		1680	unsigned int i;
		1681
		1682	for (i = 0; i < fonts.size (); i++)
1190	{	1683	{
1191	rxvt_font *f = fonts[i];	1684	rxvt_font *f = fonts[i];
1192		1685
1193	if (!f->loaded)	1686	if (!f->loaded)
1194	{	1687	{
1195	if (FROM_UNICODE (f->cs, unicode) == NOCHAR)	1688	if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1196	goto next_font;	1689	goto next_font;
1197		1690
1198	if (!realize_font (i))	1691	if (!realize_font (i))
1199	goto next_font;	1692	goto next_font;
		1693
		1694	if (prop.ascent != rxvt_fontprop::unset)
		1695	max_it (f->ascent, prop.ascent);
1200	}	1696	}
1201		1697
1202	if (f->cs == CS_UNKNOWN)	1698	if (f->cs == CS_UNKNOWN)
1203	goto next_font;	1699	goto next_font;
1204		1700
1205	if (bold && f->properties ().weight < rxvt_fontprop::bold)	1701	bool careful;
		1702	if (f->has_char (unicode, &prop, careful))
		1703	{
		1704	i = (i << 1) | careful;
		1705
1206	goto next_font;	1706	goto found;
1207		1707	}
1208	if (f->has_codepoint (unicode))
1209	return i;
1210		1708
1211	next_font:	1709	next_font:
1212	if (i == fonts.size () - 1)	1710	if (i == fonts.size () - 1)
1213	{	1711	{
1214	if (fallback->name)	1712	if (fallback->name)
1215	{	1713	{
1216	// search through the fallback list	1714	// search through the fallback list
1217	fonts.push_back (new_font (fallback->name, fallback->cs));	1715	push_font (new_font (fallback->name, fallback->cs));
1218	fallback++;	1716	fallback++;
1219	}	1717	}
1220	else if (!bold)	1718	else
1221	{	1719	{
1222	// try to find a new font.	1720	// try to find a new font.
1223	// only xft currently supported, as there is no	1721	// only xft currently supported, as there is no
1224	// way to configure this and xft is easier to hack in,	1722	// way to configure this and xft is easier to hack in,
1225	// while x11 has more framework in place already.	1723	// while x11 has more framework in place already.
1226	// TODO: bold is being ignroed (obviously).	1724	// TODO: this is a real resource hog, xft takes ages(?)
1227	#if XFT	1725	#if XFT && USE_SLOW_LOOKUP
1228	// grab the first xft font that seems suitable	1726	// grab the first xft font that seems suitable
1229	FcPattern *p = FcPatternCreate ();	1727	FcPattern *p = FcPatternCreate ();
1230		1728
1231	FcCharSet *s = FcCharSetCreate ();	1729	FcCharSet *s = FcCharSetCreate ();
1232	FcCharSetAddChar (s, unicode);	1730	FcCharSetAddChar (s, unicode);
1233	FcPatternAddCharSet (p, FC_CHARSET, s);	1731	FcPatternAddCharSet (p, FC_CHARSET, s);
1234	// charsets don't help that much, as xft might return	1732	// charsets don't help that much, as xft might return
1235	// a non-matching font even if a better font is available :/	1733	// a non-matching font even if a better font is available :/
1236		1734
		1735	x x x x TODO prop might have unset contents
1237	FcPatternAddInteger (p, FC_PIXEL_SIZE, base_prop.height);	1736	FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1238	FcPatternAddInteger (p, FC_WEIGHT, bold ? rxvt_fontprop::bold : base_prop.weight);	1737	FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1239	FcPatternAddInteger (p, FC_SLANT, base_prop.slant);	1738	FcPatternAddInteger (p, FC_SLANT, prop.slant);
1240	FcPatternAddBool (p, FC_MINSPACE, 1);	1739	FcPatternAddBool (p, FC_MINSPACE, 1);
1241	//FcPatternAddBool (p, FC_ANTIALIAS, 1);	1740	//FcPatternAddBool (p, FC_ANTIALIAS, 1);
1242		1741
1243	XftResult result;	1742	XftResult result;
1244	FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);	1743	FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1245		1744
1246	FcPatternDestroy (p);	1745	FcPatternDestroy (p);
1247		1746
1248	if (match)	1747	if (match)
1249	{	1748	{
…		…
1252	FcPatternDestroy (match);	1751	FcPatternDestroy (match);
1253		1752
1254	if (find_font (font) < 0)	1753	if (find_font (font) < 0)
1255	{	1754	{
1256	char fontname[4096];	1755	char fontname[4096];
1257	sprintf (fontname, "xft:%-.4090s", font);	1756	snprintf (fontname, sizeof (fontname), "xft:%s", font);
1258		1757
1259	fonts.push_back (new_font (fontname, CS_UNICODE));	1758	push_font (new_font (fontname, CS_UNICODE));
1260	}	1759	}
1261		1760
1262	free (font);	1761	free (font);
1263	}	1762	}
1264	#endif	1763	#endif
1265	}	1764	}
1266	}	1765	}
1267	}	1766	}
1268		1767
1269	// if no bold font found, use a regular one	1768	/* we must return SOME font */
1270	if (bold)	1769	i = 0;
1271	return find_font (unicode);
1272		1770
1273	return 0; /* we must return SOME font */	1771	found:
1274	}	1772	// found a font, cache it
		1773	if (i < 255)
		1774	{
		1775	while (hi >= fmap.size ())
		1776	fmap.push_back (0);
1275		1777
		1778	if (!fmap[hi])
		1779	{
		1780	fmap[hi] = (pagemap *)new pagemap;
		1781	memset (fmap[hi], 0xff, sizeof (pagemap));
		1782	}
1276		1783
		1784	(*fmap[hi])[unicode & 0xff] = i;
		1785	}
1277		1786
		1787	return i;
		1788	}
		1789

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