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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.1 by root, Sun Aug 15 00:37:04 2004 UTC vs.
Revision 1.166 by sf-exg, Fri Oct 22 18:03:10 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
		31	#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width
		32	#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts
		33
		34	#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \
		35	(prop)->slant >= rxvt_fontprop::italic \
		36	? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \
		37	: ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \
		38	))
30		39
31	const struct rxvt_fallback_font {	40	const struct rxvt_fallback_font {
32	codeset cs;	41	codeset cs;
33	const char *name;	42	const char *name;
34	} fallback_fonts[] = {	43	} fallback_fonts[] = {
35	{ CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },	44	{ CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },
36	{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },	45	{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },
37	{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" },	46	{ CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" },
38		47
39	#if ENCODING_EU	48	#if ENCODING_EU
40	// cyrillic	49	// cyrillic
41	{ CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" },	50	{ CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" },
42	{ CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" },	51	{ CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" },
43		52
44	{ CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" },	53	{ CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" },
45	{ CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" },	54	{ CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" },
46	{ CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" },	55	{ CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" },
47	{ CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" },	56	{ CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" },
48	{ CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" },	57	{ CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" },
…		…
52	{ CS_ISO8859_10, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-10" },	61	{ CS_ISO8859_10, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-10" },
53	{ CS_ISO8859_11, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-11" },	62	{ CS_ISO8859_11, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-11" },
54	{ CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },	63	{ CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },
55	{ CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },	64	{ CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },
56	{ CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },	65	{ CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },
		66
		67	# if XFT
		68	{ CS_KOI8_U, "xft::lang=ru" },
		69
		70	{ CS_ISO8859_5, "xft::lang=ru" },
		71	{ CS_ISO8859_6, "xft::lang=ar" },
		72	{ CS_ISO8859_7, "xft::lang=el" },
		73	{ CS_ISO8859_8, "xft::lang=he" },
		74	{ CS_ISO8859_9, "xft::lang=tr" },
		75	{ CS_ISO8859_10, "xft::lang=se" },
		76	{ CS_ISO8859_11, "xft::lang=th" },
		77	# endif
57	#endif	78	#endif
58		79
59	// japanese	80	// japanese
60	#if ENCODING_JP || ENCODING_JP_EXT	81	#if ENCODING_JP || ENCODING_JP_EXT
61	# if XFT	82	# if XFT
62	// prefer xft for complex scripts	83	// prefer xft for complex scripts
		84	{ CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
63	{ CS_UNICODE, "xft:Kochi Gothic:antialias=false" },	85	{ CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
		86	{ CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
		87	{ CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
64	# endif	88	# endif
65	{ CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },	89	{ CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
66	{ CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },	90	{ CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
67	{ CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },	91	{ CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
68	{ CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },	92	{ CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
69	{ CS_JIS0208_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0208*-0" },	93	{ CS_JIS0208_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
70	{ CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },	94	{ CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
71	#endif	95	#endif
72		96
73	#if ENCODING_CN || ENCODING_CN_EXT	97	#if ENCODING_ZH || ENCODING_ZH_EXT
74	# if XFT	98	# if XFT
		99	{ CS_GBK_0, "xft:AR PL KaitiM GB" },
		100	{ CS_GBK_0, "xft:AR PL SungtiL GB" },
		101	{ CS_GBK_0, "xft::lang=zh" },
75	{ CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },	102	{ CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
76	{ CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },	103	{ CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
77	{ CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },	104	{ CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
78	{ CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },	105	{ CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
		106	{ CS_GB2312_1980_0, "xft::lang=zh" },
79	# endif	107	# endif
		108	{ CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
80	{ CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },	109	{ CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
81	{ CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },	110	{ CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
82	{ CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },	111	{ CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
		112	{ CS_GB2312_1980_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
83	{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },	113	{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
84	{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },	114	{ CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
85	{ CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },	115	{ CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
86	{ CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },	116	{ CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
87	{ CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },	117	{ CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
…		…
89	{ CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },	119	{ CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
90	{ CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },	120	{ CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
91	{ CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },	121	{ CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
92	#endif	122	#endif
93		123
		124	#if ENCODING_KR
		125	{ CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
		126	{ CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
		127	# if XFT
		128	{ CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
		129	{ CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
		130	# endif
		131	#endif
		132
		133	{ CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
		134	//{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
94	#if XFT	135	#if XFT
		136	{ CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
		137	{ CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
		138	{ CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
		139	{ CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
		140
		141	// FreeMono is usually uglier than x fonts, so try after the others
95	{ CS_UNICODE, "xft:Andale Mono" },	142	{ CS_UNICODE, "xft:FreeMono:autohint=true" },
96	{ CS_UNICODE, "xft:Arial Unicode MS" },
97	#endif	143	#endif
98	{ CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },	144
99	{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },	145	// generic font fallback, put this last, as many iso10646 fonts have extents
		146	// specified for all glyphs in the range they cover, but most are simply empty
100	{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },	147	//{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
101	{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },	148	//{ 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 }	149	{ CS_UNKNOWN, 0 }
108	};	150	};
109		151
		152	// these characters are used to guess the font height and width
		153	// pango uses a similar algorithm and doesn't trust the font either.
		154	static uint16_t extent_test_chars[] = {
		155	'0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
		156	0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
		157	0x304c, 0x672c, // が本
		158	};
		159
		160	#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
		161
		162	#define dTermDisplay Display *disp = term->dpy
		163	#define dTermGC GC gc = term->gc
		164
110	/////////////////////////////////////////////////////////////////////////////	165	/////////////////////////////////////////////////////////////////////////////
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		166
146	static const char *	167	static const char *
147	enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)	168	enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
148	{	169	{
149	uint8_t *buf = (uint8_t *)get_enc_buf (len);	170	uint8_t *buf = rxvt_temp_buf<uint8_t> (len);
		171	uint8_t *res = buf;
150		172
151	while (len--)	173	while (len--)
152	{	174	{
153	uint32_t c = FROM_UNICODE (cs, *text++);	175	uint32_t c = FROM_UNICODE (cs, *text++);
154		176
…		…
159	}	181	}
160		182
161	*buf++ = c;	183	*buf++ = c;
162	}	184	}
163		185
164	return (const char *)enc_buf;	186	return (const char *)res;
165	}	187	}
166		188
167	static const XChar2b *	189	static const XChar2b *
168	enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)	190	enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
169	{	191	{
170	XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b));	192	XChar2b *buf = rxvt_temp_buf<XChar2b> (len);
		193	XChar2b *res = buf;
171		194
172	while (len--)	195	while (len--)
173	{	196	{
174	uint32_t c = FROM_UNICODE (cs, *text++);	197	uint32_t c = FROM_UNICODE (cs, *text++);
175		198
…		…
182	buf->byte1 = c >> 8;	205	buf->byte1 = c >> 8;
183	buf->byte2 = c;	206	buf->byte2 = c;
184	buf++;	207	buf++;
185	}	208	}
186		209
187	return (XChar2b *)enc_buf;	210	return res;
188	}	211	}
189		212
190	/////////////////////////////////////////////////////////////////////////////	213	/////////////////////////////////////////////////////////////////////////////
191		214
		215	rxvt_font::rxvt_font ()
		216	: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
		217	{
		218	}
		219
192	void	220	void
		221	rxvt_font::set_name (char *name_)
		222	{
		223	if (name == name_)
		224	return;
		225
		226	if (name) free (name); // let the compiler optimize
		227	name = name_;
		228	}
		229
		230	void
193	rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color)	231	rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const
194	{	232	{
195	if (color == Color_bg)	233	dTermDisplay;
196	XClearArea (d.display->display, d, x, y, w, h, FALSE);	234	dTermGC;
		235
		236	if (color == Color_bg || color == Color_transparent)
		237	XClearArea (disp, d, x, y, w, h, false);
197	else if (color >= 0)	238	else if (color >= 0)
198	{	239	{
199	#if XFT	240	#if XFT
		241	Picture dst;
		242
		243	# ifdef HAVE_BG_PIXMAP
		244	if (term->bgPixmap.pixmap
		245	&& !term->pix_colors[color].is_opaque ()
		246	&& ((dst = XftDrawPicture (d))))
		247	{
		248	XClearArea (disp, d, x, y, w, h, false);
		249
		250	Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c);
		251	XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h);
		252	}
		253	else
		254	# endif
200	XftDrawRect (d, &r->PixColors[color].c, x, y, w, h);	255	XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
		256
201	#else	257	#else
202	XSetForeground (d.display->display, TGC, r->PixColors[color]);	258	XSetForeground (disp, gc, term->pix_colors[color]);
203	XFillRectangle (d.display->display, d, TGC, x, y, w, h);	259	XFillRectangle (disp, d, gc, x, y, w, h);
204	#endif	260	#endif
205	}	261	}
206	}	262	}
207		263
208	#include "table/linedraw.h"	264	/////////////////////////////////////////////////////////////////////////////
209		265
210	struct rxvt_font_default : rxvt_font {	266	struct rxvt_font_default : rxvt_font {
		267	struct rxvt_fontset *fs;
		268
		269	rxvt_font_default (rxvt_fontset *fs)
		270	: rxvt_font ()
		271	{
		272	this->fs = fs;
		273	}
211		274
212	rxvt_fontprop properties ()	275	rxvt_fontprop properties ()
213	{	276	{
214	rxvt_fontprop p;	277	rxvt_fontprop p;
215		278
216	p.width = p.height = 1;	279	p.width = p.height = 1;
		280	p.ascent = rxvt_fontprop::unset;
217	p.weight = rxvt_fontprop::medium;	281	p.weight = rxvt_fontprop::medium;
218	p.slant = rxvt_fontprop::roman;	282	p.slant = rxvt_fontprop::roman;
219		283
220	return p;	284	return p;
221	}	285	}
222		286
223	bool load (const rxvt_fontprop &prop)	287	bool load (const rxvt_fontprop &prop, bool force_prop)
224	{	288	{
225	width = 1; height = 1;	289	width = 1; height = 1;
226	ascent = 1; descent = 0;	290	ascent = 1; descent = 0;
227		291
228	set_name (strdup ("built-in pseudofont"));	292	set_name (strdup ("built-in support font"));
229		293
230	return true;	294	return true;
231	}	295	}
232		296
233	bool has_codepoint (unicode_t unicode)	297	bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
234	{	298	{
		299	careful = false;
		300
235	if (unicode <= 0x001f)	301	if (unicode <= 0x001f)
236	return true;	302	return true;
237		303
238	if (unicode <= 0x007f)	304	if (unicode <= 0x007f)
239	return false;	305	return false;
240		306
241	if (unicode <= 0x009f)	307	if (unicode <= 0x009f)
242	return true;	308	return true;
243		309
		310	#ifdef BUILTIN_GLYPHS
244	if (unicode >= 0x2500 && unicode <= 0x259f)	311	if (unicode >= 0x2500 && unicode <= 0x259f &&
		312	!term->option (Opt_skipBuiltinGlyphs))
245	return true;	313	return true;
		314	#endif
246		315
247	if (IS_COMPOSE (unicode))	316	if (IS_COMPOSE (unicode))
248	return true;	317	return true;
249		318
250	switch (unicode)	319	switch (unicode)
251	{	320	{
252	case ZERO_WIDTH_CHAR:	321	case ZERO_WIDTH_CHAR:
		322	case NOCHAR:
253	return true;	323	return true;
254	}	324	}
255		325
256	return false;	326	return false;
257	}	327	}
…		…
264	void	334	void
265	rxvt_font_default::draw (rxvt_drawable &d, int x, int y,	335	rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
266	const text_t *text, int len,	336	const text_t *text, int len,
267	int fg, int bg)	337	int fg, int bg)
268	{	338	{
		339	dTermDisplay;
		340	dTermGC;
		341
269	clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	342	clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
270		343
271	XSetForeground (d.display->display, TGC, r->PixColors[fg]);	344	XSetForeground (disp, gc, term->pix_colors[fg]);
272		345
273	while (len--)	346	while (len)
274	{	347	{
275	#if ENABLE_COMBINING	348	#if ENABLE_COMBINING
276	compose_char *cc;	349	compose_char *cc;
277	#endif	350	#endif
		351	const text_t *tp = text;
278	text_t t = *text++;	352	text_t t = *tp;
279		353
		354	while (++text, --len && *text == NOCHAR)
		355	;
		356
		357	int width = text - tp;
		358	int fwidth = term->fwidth * width;
		359
		360	#ifdef BUILTIN_GLYPHS
280	if (0x2500 <= t && t <= 0x259f)	361	if (0x2500 <= t && t <= 0x259f)
281	{	362	{
		363	# include "table/linedraw.h"
282	uint16_t offs = linedraw_offs[t - 0x2500];	364	uint16_t offs = linedraw_offs[t - 0x2500];
283	uint32_t *a = linedraw_command + (offs >> 4);	365	uint32_t *a = linedraw_command + (offs >> 4);
284	uint32_t *b = a + (offs & 15);	366	uint32_t *b = a + (offs & 15);
285		367
286	int W = r->TermWin.fwidth;	368	int W = fwidth;
287	int H = r->TermWin.fheight;	369	int H = term->fheight;
288		370
289	int x_[16];	371	int x_[16];
290	int y_[16];	372	int y_[16];
291		373
292	for (int i = 0; i <= 8; i++)	374	for (int i = 0; i <= 8; i++)
…		…
300		382
301	XGCValues gcv;	383	XGCValues gcv;
302		384
303	gcv.cap_style = CapButt;	385	gcv.cap_style = CapButt;
304	gcv.line_width = 0;	386	gcv.line_width = 0;
305	XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv);	387	XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
306		388
307	while (a < b)	389	while (a < b)
308	{	390	{
309	uint32_t command = *a++;	391	uint32_t command = *a++;
310		392
…		…
317	int y2 = y_[(command >> 0) & 15];	399	int y2 = y_[(command >> 0) & 15];
318		400
319	switch (op)	401	switch (op)
320	{	402	{
321	case 0: // line	403	case 0: // line
322	XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2);	404	XDrawLine (disp, d, gc, x1, y1, x2, y2);
323	break;	405	break;
324		406
325	case 1: // rectangle, possibly stippled	407	case 1: // rectangle, possibly stippled
326	if (a)	408	if (a)
327	{	409	{
328	static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };	410	static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
329		411
330	gcv.fill_style = FillStippled;	412	gcv.fill_style = FillStippled;
331	gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2);	413	gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
332	gcv.ts_x_origin = x;	414	gcv.ts_x_origin = x;
333	gcv.ts_y_origin = y;	415	gcv.ts_y_origin = y;
334		416
335	XChangeGC (d.display->display, TGC,	417	XChangeGC (disp, gc,
336	GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,	418	GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
337	&gcv);	419	&gcv);
338	}	420	}
339		421
340	XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1);	422	XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
341		423
342	if (a)	424	if (a)
343	{	425	{
344	XFreePixmap (d.display->display, gcv.stipple);	426	XFreePixmap (disp, gcv.stipple);
345	gcv.stipple = 0;	427	gcv.stipple = 0;
346	gcv.fill_style = FillSolid;	428	gcv.fill_style = FillSolid;
347	XChangeGC (d.display->display, TGC, GCFillStyle, &gcv);	429	XChangeGC (disp, gc, GCFillStyle, &gcv);
348	}	430	}
349	break;	431	break;
350	case 2: // arc	432	case 2: // arc
351	XDrawArc (d.display->display, d, TGC,	433	XDrawArc (disp, d, gc,
352	x1 - W/2, y1 - H/2, W-1, H-1,	434	x1 - W/2, y1 - H/2, W-1, H-1,
353	(a - 1) * 90*64, (b - 1) * 90*64);	435	(a - 1) * 90*64, (b - 1) * 90*64);
354	break;	436	break;
355	}	437	}
356	}	438	}
357	}	439	}
		440	#else
		441	if (0)
		442	;
		443	#endif
358	#if ENABLE_COMBINING	444	#if ENABLE_COMBINING
359	else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))	445	else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
360	{	446	{
		447	min_it (width, 2); // we only support wcwidth up to 2
		448
		449	text_t chrs[2];
		450	chrs [1] = NOCHAR;
		451
		452	*chrs = cc->c1;
361	rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];	453	rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
362	f1->draw (d, x, y, &(t = cc->c1), 1, fg, bg);	454	f1->draw (d, x, y, chrs, width, fg, bg);
		455
363	if (cc->c2 != NOCHAR)	456	if (cc->c2 != NOCHAR)
364	{	457	{
		458	bool careful;
		459
365	// prefer font of first character, for no good reasons	460	// prefer font of first character, for no good reasons
366	rxvt_font *f2 = f1->has_codepoint (cc->c2)	461	*chrs = cc->c2;
		462	rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
367	? f1	463	? f1
368	: (*fs)[fs->find_font (cc->c2)];	464	: (*fs)[fs->find_font_idx (cc->c2)];
369		465
370	f2->draw (d, x, y, &(t = cc->c2), 1, fg, -1);	466	f2->draw (d, x, y, chrs, width, fg, Color_none);
371	}	467	}
372	}	468	}
373	#endif	469	#endif
374	else	470	else
375	switch (t)	471	switch (t)
376	{	472	{
		473	case '\t':
377	case ZERO_WIDTH_CHAR:	474	case ZERO_WIDTH_CHAR:
		475	case NOCHAR:
378	break;	476	break;
379		477
380	default:	478	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,	479	XDrawRectangle (disp, d, gc, x + 2, y + 2,
390	w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4);	480	fwidth - 4, term->fheight - 4);
391	x += w;
392	}	481	}
393		482
394	x += r->TermWin.fwidth;	483	x += fwidth;
		484	}
		485	}
		486
		487	struct rxvt_font_overflow : rxvt_font {
		488	struct rxvt_fontset *fs;
		489
		490	rxvt_font_overflow (rxvt_fontset *fs)
		491	: rxvt_font ()
		492	{
		493	this->fs = fs;
		494	}
		495
		496	rxvt_fontprop properties ()
		497	{
		498	rxvt_fontprop p;
		499
		500	p.width = p.height = 1;
		501	p.ascent = rxvt_fontprop::unset;
		502	p.weight = rxvt_fontprop::medium;
		503	p.slant = rxvt_fontprop::roman;
		504
		505	return p;
		506	}
		507
		508	bool load (const rxvt_fontprop &prop, bool force_prop)
		509	{
		510	width = 1; height = 1;
		511	ascent = 1; descent = 0;
		512
		513	set_name (strdup ("built-in rendition overflow font"));
		514
		515	return true;
		516	}
		517
		518	bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
		519	{
		520	return false;
		521	}
		522
		523	void draw (rxvt_drawable &d, int x, int y,
		524	const text_t *text, int len,
		525	int fg, int bg)
		526	{
		527	while (len--)
		528	{
		529	int fid = fs->find_font_idx (*text);
		530	(*fs)[fid]->draw (d, x, y, text, 1, fg, bg);
		531	++text;
		532	x += term->fwidth;
395	}	533	}
396	}	534	}
		535	};
397		536
398	/////////////////////////////////////////////////////////////////////////////	537	/////////////////////////////////////////////////////////////////////////////
399		538
400	struct rxvt_font_x11 : rxvt_font {	539	struct rxvt_font_x11 : rxvt_font {
401	rxvt_font_x11 () { f = 0; }	540	rxvt_font_x11 () { f = 0; }
402		541
403	void clear ();	542	void clear ();
404		543
405	rxvt_fontprop properties ();	544	rxvt_fontprop properties ();
406		545
407	bool load (const rxvt_fontprop &prop);	546	bool load (const rxvt_fontprop &prop, bool force_prop);
408		547
409	bool has_codepoint (unicode_t unicode);	548	bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
410		549
411	void draw (rxvt_drawable &d, int x, int y,	550	void draw (rxvt_drawable &d, int x, int y,
412	const text_t *text, int len,	551	const text_t *text, int len,
413	int fg, int bg);	552	int fg, int bg);
414		553
		554	bool slow; // whether this is a proportional font or has other funny characteristics
415	XFontStruct *f;	555	XFontStruct *f;
416	codeset cs;
417	bool enc2b, encm;	556	bool enc2b, encm;
418		557
419	char *get_property (XFontStruct *f, const char *property, const char *repl) const;	558	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);	559	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);	560	bool set_properties (rxvt_fontprop &p, XFontStruct *f);
422	bool set_properties (rxvt_fontprop &p, const char *name);	561	bool set_properties (rxvt_fontprop &p, const char *name);
423	};	562	};
424		563
425	char *	564	char *
426	rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const	565	rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
427	{	566	{
428	unsigned long value;	567	unsigned long value;
429		568
430	if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value))	569	if (XGetFontProperty (f, property, &value))
431	return XGetAtomName (DISPLAY, value);	570	return XGetAtomName (term->dpy, value);
432	else	571	else
433	return rxvt_strdup (repl);	572	return repl ? strdup (repl) : 0;
434	}	573	}
435		574
436	rxvt_fontprop	575	rxvt_fontprop
437	rxvt_font_x11::properties ()	576	rxvt_font_x11::properties ()
438	{	577	{
…		…
442	}	581	}
443		582
444	bool	583	bool
445	rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)	584	rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
446	{	585	{
447	p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;	586	p.width = width != rxvt_fontprop::unset ? width
		587	: avgwidth ? (avgwidth + 1) / 10
		588	: (height + 1) / 2;
448	p.height = height;	589	p.height = height;
		590	p.ascent = rxvt_fontprop::unset;
449	p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;	591	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;	592	p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
451		593
452	return true;	594	return true;
453	}	595	}
454		596
455	bool	597	bool
456	rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)	598	rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
457	{	599	{
458	unsigned long height;	600	unsigned long height;
		601
		602	#if 0
459	if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))	603	if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
460	return false;	604	return false;
		605	#else
		606	height = f->ascent + f->descent;
		607	#endif
461		608
462	unsigned long avgwidth;	609	unsigned long avgwidth;
463	if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))	610	if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
464	avgwidth = 0;	611	avgwidth = 0;
465		612
466	char *weight = get_property (f, "WEIGHT_NAME", "medium");	613	char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
467	char *slant = get_property (f, "SLANT", "r");	614	char *slant = get_property (f, term->xa [XA_SLANT], "r");
468		615
469	set_properties (p, height, weight, slant, avgwidth);	616	set_properties (p, height, weight, slant, avgwidth);
470		617
471	free (weight);	618	free (weight);
472	free (slant);	619	free (slant);
473		620
		621	p.ascent = f->ascent;
		622
474	return true;	623	return true;
475	}	624	}
476		625
477	bool	626	bool
478	rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)	627	rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
479	{	628	{
		629	dTermDisplay;
480	int slashes = 0;	630	int slashes = 0;
481	const char *comp[13];	631	const char *comp[13];
482		632
483	for (const char *c = name; *c; c++)	633	for (const char *c = name; *c; c++)
484	if (*c == '-')	634	if (*c == '-')
…		…
492	if (slashes >= 13	642	if (slashes >= 13
493	&& (*comp[ 6] >= '1' && *comp[ 6] <= '9')	643	&& (*comp[ 6] >= '1' && *comp[ 6] <= '9')
494	&& (*comp[11] >= '0' && *comp[11] <= '9'))	644	&& (*comp[11] >= '0' && *comp[11] <= '9'))
495	return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));	645	return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
496		646
497	XFontStruct *f = XLoadQueryFont (DISPLAY, name);	647	XFontStruct *f = XLoadQueryFont (disp, name);
498		648
499	if (f)	649	if (f)
500	{	650	{
501	// the font should really exist now. if not, we have a problem	651	// 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).	652	// (e.g. if the user did xset fp rehash just when we were searching fonts).
503	// in that case, just return garbage.	653	// in that case, just return garbage.
504	bool ret = set_properties (p, f);	654	bool ret = set_properties (p, f);
505	XFreeFont (DISPLAY, f);	655	XFreeFont (disp, f);
506	return ret;	656	return ret;
507	}	657	}
508	else	658	else
509	return false;	659	return false;
510	}	660	}
511		661
512	// fix the size of scalable fonts	662	// fix the size of scalable fonts
513	static void	663	static bool
514	fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)	664	replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
515	{	665	{
516	int slashes = 0;	666	int slashes = 0;
517	const char *size;	667	const char *field, *end;
518		668
519	for (const char *c = name; *c; c++)	669	for (const char *c = name; *c; c++)
520	if (*c == '-')	670	if (*c == '-')
521	{	671	{
522	if (slashes == 6)	672	if (slashes == index)
523	size = c + 1;	673	field = c + 1;
		674
		675	if (slashes == index + 1)
		676	end = c;
524		677
525	if (++slashes >= 13)	678	if (++slashes >= 13)
526	break;	679	break;
527	}	680	}
528		681
529	if (slashes >= 13 && size[0] == '0')	682	if (slashes >= 13 && (!old || *field == old))
530	{	683	{
531	strncpy (buf, name, size - name);	684	size_t len = field - name;
532	buf += size - name;	685	*ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
533	buf += sprintf (buf, "%d", prop.height);	686	memcpy (*ptr, name, len);
534	strcpy (buf, size + 1);	687	strcpy (*ptr + len, replace);
		688	strcat (*ptr, end);
		689
		690	return true;
535	}	691	}
536	else	692	else
537	strcpy (buf, name);	693	{
		694	*ptr = strdup (name);
		695
		696	return false;
		697	}
538	}	698	}
539		699
540	bool	700	bool
541	rxvt_font_x11::load (const rxvt_fontprop &prop)	701	rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
542	{	702	{
		703	dTermDisplay;
		704
543	clear ();	705	clear ();
		706
		707	char field_str[64]; // enough for 128 bits
		708
		709	// first morph the font if required
		710	if (force_prop)
		711	{
		712	char *fname;
		713
		714	if (name[0] != '-')
		715	{
		716	f = XLoadQueryFont (disp, name);
		717
		718	if (!f)
		719	return false;
		720
		721	char *new_name = get_property (f, XA_FONT, name);
		722
		723	if (new_name)
		724	set_name (new_name);
		725	else
		726	rxvt_warn ("font '%s' has no FONT property, continuing without.", name);
		727
		728	XFreeFont (disp, f);
		729	f = 0;
		730	}
		731
		732	if (prop.weight != rxvt_fontprop::unset)
		733	{
		734	replace_field (&fname, name, 2, 0,
		735	prop.weight < rxvt_fontprop::bold
		736	? "medium" : "bold");
		737	set_name (fname);
		738	}
		739
		740	if (prop.slant != rxvt_fontprop::unset)
		741	{
		742	replace_field (&fname, name, 3, 0,
		743	prop.slant < rxvt_fontprop::italic
		744	? "r" : "i"); // TODO: handle "o"blique, too
		745	set_name (fname);
		746	}
		747	}
		748
		749	sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
		750	? 0 : prop.height);
		751
		752	struct font_weight {
		753	char *name;
		754	int diff;
		755
		756	void clear ()
		757	{
		758	name = 0;
		759	diff = 0x7fffffff;
		760	}
		761
		762	font_weight () { clear (); }
		763	~font_weight () { free (name); }
		764	};
544		765
545	char **list;	766	char **list;
546	int count;	767	int count;
547	list = XListFonts (DISPLAY, name, 1024, &count);	768	list = XListFonts (disp, name, 4000, &count);
		769
548	set_name (0);	770	set_name (0);
549		771
550	if (!list)	772	if (!list)
551	return false;	773	return false;
552		774
553	int bestdiff = 0x7fffffff;	775	font_weight *fonts = new font_weight[count];
		776
554	for (int i = 0; i < count; i++)	777	for (int i = 0; i < count; i++)
555	{	778	{
556	rxvt_fontprop p;	779	rxvt_fontprop p;
557	char fname[1024];	780	char *fname;
558	fix_scalable (fname, list[i], prop);	781
		782	int diff = 0;
		783
		784	if (replace_field (&fname, list[i], 6, '0', field_str))
		785	diff += 10; // slightly penalize scalable fonts
		786	else
		787	{
		788	free (fname);
		789	if (replace_field (&fname, list[i], 11, '0', "0"))
		790	diff += 300; // more heavily penalize what looks like scaled bitmap fonts
		791	}
559		792
560	if (!set_properties (p, fname))	793	if (!set_properties (p, fname))
561	continue;	794	continue;
562		795
		796	if (prop.height != rxvt_fontprop::unset
563	if (p.height > prop.height) // weed out too large fonts	797	&& p.height > prop.height) // weed out too large fonts
564	continue;	798	continue;
565		799
566	int diff = (prop.height - p.height) * 32	800	if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
567	+ abs (prop.weight - p.weight)	801	if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
568	+ abs (prop.slant - p.slant );	802	if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
		803	//if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
569		804
570	if (!name // compare against best found so far	805	fonts[i].name = fname;
571	|| diff < bestdiff)	806	fonts[i].diff = diff;
572	{
573	set_name (strdup (fname));
574	bestdiff = diff;
575	}
576	}	807	}
577		808
578	XFreeFontNames (list);	809	XFreeFontNames (list);
579		810
580	if (!name)	811	// this loop only iterates when the guessed font-size is too small
581	return false;	812	for (;;)
		813	{
		814	font_weight *best = fonts + count - 1;
582		815
583	f = XLoadQueryFont (DISPLAY, name);	816	for (font_weight *w = best; w-- > fonts; )
		817	if (w->diff <= best->diff)
		818	best = w;
		819
		820	if (!best->name
		821	|| !(f = XLoadQueryFont (disp, best->name)))
		822	break;
		823
		824	set_name (best->name);
		825	best->clear ();
		826
		827	ascent = f->ascent;
		828	descent = f->descent;
		829	height = ascent + descent;
		830
		831	if (prop.height == rxvt_fontprop::unset
		832	|| height <= prop.height)
		833	break; // font is ready for use
		834
		835	// PIXEL_SIZE small enough, but real height too large
		836	clear ();
		837	}
		838
		839	delete [] fonts;
584		840
585	if (!f)	841	if (!f)
586	return false;	842	return false;
587		843
588	char *registry = get_property (f, "CHARSET_REGISTRY", 0);	844	char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
589	char *encoding = get_property (f, "CHARSET_ENCODING", 0);	845	char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
		846
		847	cs = CS_UNKNOWN;
590		848
591	if (registry && encoding)	849	if (registry && encoding)
592	{	850	{
593	char charset[64];	851	char charset[64];
594	snprintf (charset, 64, "%s-%s", registry, encoding);	852	snprintf (charset, 64, "%s-%s", registry, encoding);
595		853
596	cs = codeset_from_name (charset);	854	cs = codeset_from_name (charset);
597	}	855
598	else	856	if (cs == CS_UNKNOWN)
		857	rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
599	{	858	}
		859
		860	free (registry);
		861	free (encoding);
		862
		863	if (cs == CS_UNKNOWN)
		864	{
600	const char *charset = get_property (f, "FONT", 0);	865	const char *charset = get_property (f, XA_FONT, 0);
601		866
602	if (!charset)	867	if (!charset)
603	charset = name;	868	charset = name;
604		869
605	int count = 13;	870	int count = 13;
606	while (*charset)	871	while (*charset)
607	if (*charset++ == '-' && !--count)	872	if (*charset++ == '-' && !--count)
608	break;	873	break;
609		874
610	cs = codeset_from_name (charset);	875	cs = codeset_from_name (charset);
		876	if (cs == CS_UNKNOWN)
		877	rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
		878	}
		879
		880	if (cs == CS_UNKNOWN)
611	}	881	{
612		882	clear ();
613	free (registry);	883	return false;
614	free (encoding);	884	}
615		885
616	if (cs == CS_UNICODE)	886	if (cs == CS_UNICODE)
617	cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font	887	cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
618		888
619	encm = f->min_byte1 != 0 || f->max_byte1 != 0;	889	encm = f->min_byte1 != 0 || f->max_byte1 != 0;
620	enc2b = encm || f->max_char_or_byte2 > 255;	890	enc2b = encm || f->max_char_or_byte2 > 255;
621		891
622	ascent = f->ascent;
623	descent = f->descent;
624	height = ascent + descent;
625
626	slow = false;	892	slow = false;
627		893
		894	#if 1 // only used for slow detection, TODO optimize
628	if (f->min_bounds.width == f->max_bounds.width)	895	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;	896	width = f->max_bounds.width;
632	else	897	else
633	{	898	{
634	slow = true;	899	slow = true;
635		900
636	int N = f->max_char_or_byte2 - f->min_char_or_byte2;	901	int N = f->max_char_or_byte2 - f->min_char_or_byte2;
637		902
638	if (encm)	903	if (encm)
639	N += (f->max_byte1 - f->min_byte1)	904	N += (f->max_byte1 - f->min_byte1)
640	* (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);	905	* (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
641		906
642	while (N)	907	while (N)
643	{	908	{
644	if (f->per_char[N].width > width)	909	if (f->per_char[N].width > width)
645	width = f->per_char[N].width;	910	width = f->per_char[N].width;
646		911
647	--N;	912	--N;
648	}	913	}
649	}	914	}
		915	#endif
650		916
651	if (cs == CS_UNKNOWN)	917	width = 1;
		918
		919	for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
		920	{
		921	if (FROM_UNICODE (cs, *t) == NOCHAR)
		922	continue;
		923
		924	// ignore characters we wouldn't use anyways
		925	bool careful;
		926	if (!has_char (*t, &prop, careful))
		927	continue;
		928
		929	XChar2b ch = { *t >> 8, *t };
		930
		931	XCharStruct g;
		932	int dir_ret, asc_ret, des_ret;
		933	XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
		934
		935	int wcw = WCWIDTH (*t);
		936	if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
		937
		938	if (width < g.width) width = g.width;
652	{	939	}
653	fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
654		940
		941	#if 0 // do it per-character
		942	if (prop && width > prop->width)
		943	{
655	clear ();	944	clear ();
656
657	return false;	945	return false;
658	}	946	}
		947	#endif
659		948
660	return true;	949	return true;
661	}	950	}
662		951
663	void	952	void
664	rxvt_font_x11::clear ()	953	rxvt_font_x11::clear ()
665	{	954	{
666	if (f)	955	if (f)
667	{	956	{
668	XFreeFont (DISPLAY, f);	957	XFreeFont (term->dpy, f);
669	f = 0;	958	f = 0;
670	}	959	}
671	}	960	}
672		961
673	bool	962	bool
674	rxvt_font_x11::has_codepoint (unicode_t unicode)	963	rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
675	{	964	{
676	uint32_t ch = FROM_UNICODE (cs, unicode);	965	uint32_t ch = FROM_UNICODE (cs, unicode);
677		966
678	if (ch == NOCHAR)	967	if (ch == NOCHAR)
679	return false;	968	return false;
680		969
681	/* check wether the character exists in _this_ font. horrible. */	970	/* check whether the character exists in _this_ font. horrible. */
682	XCharStruct *xcs;	971	XCharStruct *xcs;
683		972
684	if (encm)	973	if (encm)
685	{	974	{
686	unsigned char byte1 = ch >> 8;	975	unsigned char byte1 = ch >> 8;
…		…
688		977
689	if (byte1 < f->min_byte1 || byte1 > f->max_byte1	978	if (byte1 < f->min_byte1 || byte1 > f->max_byte1
690	|| byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)	979	|| byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
691	return false;	980	return false;
692		981
693	if (!f->per_char)	982	if (f->per_char)
694	return true;	983	{
695
696	int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1;	984	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;	985	int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2;
698		986
699	xcs = f->per_char + N;	987	xcs = f->per_char + N;
		988	}
		989	else
		990	xcs = &f->max_bounds;
700	}	991	}
701	else	992	else
702	{	993	{
703	if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2)	994	if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2)
704	return false;	995	return false;
705		996
706	if (!f->per_char)	997	if (f->per_char)
707	return true;
708
709	xcs = f->per_char + (ch - f->min_char_or_byte2);	998	xcs = f->per_char + (ch - f->min_char_or_byte2);
		999	else
		1000	xcs = &f->max_bounds;
710	}	1001	}
711		1002
712	if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0	1003	if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0
713	&& xcs->ascent == 0 && xcs->descent == 0)	1004	&& xcs->ascent == 0 && xcs->descent == 0)
		1005	return false;
		1006
		1007	if (!prop || prop->width == rxvt_fontprop::unset)
		1008	return true;
		1009
		1010	// check whether character overlaps previous/next character
		1011	int w = xcs->rbearing - xcs->lbearing;
		1012	int wcw = max (WCWIDTH (unicode), 1);
		1013
		1014	careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
		1015
		1016	if (careful && !OVERLAP_OK (w, wcw, prop))
714	return false;	1017	return false;
715		1018
716	return true;	1019	return true;
717	}	1020	}
718		1021
…		…
724	// this looks like a mess /.	1027	// this looks like a mess /.
725	// and it is a mess /.	1028	// and it is a mess /.
726	// yet we are trying to be perfect /.	1029	// yet we are trying to be perfect /.
727	// but the result still isn't perfect /.	1030	// but the result still isn't perfect /.
728		1031
		1032	dTermDisplay;
		1033	dTermGC;
		1034
729	bool slow = this->slow	1035	bool slow = this->slow
730	|| width != r->TermWin.fwidth	1036	|| width != term->fwidth
731	|| height != r->TermWin.fheight;	1037	|| height != term->fheight;
732		1038
733	int base = r->TermWin.fbase;	1039	int base = ascent; // sorry, incorrect: term->fbase;
734		1040
735	XGCValues v;	1041	XGCValues v;
736	v.foreground = r->PixColors[fg];	1042	v.foreground = term->pix_colors[fg];
737	v.font = f->fid;	1043	v.font = f->fid;
738		1044
739	if (enc2b)	1045	if (enc2b)
740	{	1046	{
741	const XChar2b *xc = enc_xchar2b (text, len, cs, slow);	1047	const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
742		1048
743	if (bg == Color_bg && !slow)	1049	if (bg == Color_bg && !slow)
744	{	1050	{
745	v.background = r->PixColors[bg];	1051	v.background = term->pix_colors[bg];
746	XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v);	1052	XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
747	XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len);	1053	XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
748	}	1054	}
749	else	1055	else
750	{	1056	{
751	clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	1057	clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
752		1058
753	XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v);	1059	XChangeGC (disp, gc, GCForeground | GCFont, &v);
754		1060
755	if (slow)	1061	if (slow)
756	{	1062	{
757	do	1063	do
758	{	1064	{
759	if (xc->byte1 || xc->byte2)	1065	if (xc->byte1 || xc->byte2)
760	XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1);	1066	XDrawString16 (disp, d, gc, x, y + base, xc, 1);
761		1067
762	x += r->TermWin.fwidth;	1068	x += term->fwidth;
763	xc++; len--;	1069	xc++; len--;
764	}	1070	}
765	while (len);	1071	while (len);
766	}	1072	}
767	else	1073	else
768	XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len);	1074	XDrawString16 (disp, d, gc, x, y + base, xc, len);
769	}	1075	}
770	}	1076	}
771	else	1077	else
772	{	1078	{
773	const char *xc = enc_char (text, len, cs, slow);	1079	const char *xc = enc_char (text, len, cs, slow);
774		1080
775	if (bg == Color_bg && !slow)	1081	if (bg == Color_bg && !slow)
776	{	1082	{
777	v.background = r->PixColors[bg];	1083	v.background = term->pix_colors[bg];
778	XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v);	1084	XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
779	XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len);	1085	XDrawImageString (disp, d, gc, x, y + base, xc, len);
780	}	1086	}
781	else	1087	else
782	{	1088	{
783	clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	1089	clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
784		1090
785	XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v);	1091	XChangeGC (disp, gc, GCForeground | GCFont, &v);
786		1092
787	if (slow)	1093	if (slow)
788	{	1094	{
789	do	1095	do
790	{	1096	{
791	if (*xc)	1097	if (*xc)
792	XDrawString (d.display->display, d, TGC, x, y + base, xc, 1);	1098	XDrawString (disp, d, gc, x, y + base, xc, 1);
793		1099
794	x += r->TermWin.fwidth;	1100	x += term->fwidth;
795	xc++; len--;	1101	xc++; len--;
796	}	1102	}
797	while (len);	1103	while (len);
798	}	1104	}
799	else	1105	else
800	XDrawString (d.display->display, d, TGC, x, y + base, xc, len);	1106	XDrawString (disp, d, gc, x, y + base, xc, len);
801	}	1107	}
802	}	1108	}
803	}	1109	}
804		1110
805	/////////////////////////////////////////////////////////////////////////////	1111	/////////////////////////////////////////////////////////////////////////////
806		1112
807	#if XFT	1113	#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		1114
814	struct rxvt_font_xft : rxvt_font {	1115	struct rxvt_font_xft : rxvt_font {
815	rxvt_font_xft () { f = 0; }	1116	rxvt_font_xft () { f = 0; }
816		1117
817	void clear ();	1118	void clear ();
818		1119
819	rxvt_fontprop properties ();	1120	rxvt_fontprop properties ();
820		1121
821	bool load (const rxvt_fontprop &prop);	1122	bool load (const rxvt_fontprop &prop, bool force_prop);
822		1123
823	void draw (rxvt_drawable &d, int x, int y,	1124	void draw (rxvt_drawable &d, int x, int y,
824	const text_t *text, int len,	1125	const text_t *text, int len,
825	int fg, int bg);	1126	int fg, int bg);
826		1127
827	bool has_codepoint (unicode_t unicode);	1128	bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
828		1129
829	protected:	1130	protected:
830	XftFont *f;	1131	XftFont *f;
831	};	1132	};
832		1133
833	void	1134	void
834	rxvt_font_xft::clear ()	1135	rxvt_font_xft::clear ()
835	{	1136	{
836	if (f)	1137	if (f)
837	{	1138	{
838	XftFontClose (DISPLAY, f);	1139	XftFontClose (term->dpy, f);
839	f = 0;	1140	f = 0;
840	}	1141	}
841	}	1142	}
842		1143
843	rxvt_fontprop	1144	rxvt_fontprop
…		…
847		1148
848	FT_Face face = XftLockFace (f);	1149	FT_Face face = XftLockFace (f);
849		1150
850	p.width = width;	1151	p.width = width;
851	p.height = height;	1152	p.height = height;
		1153	p.ascent = ascent;
852	p.weight = face->style_flags & FT_STYLE_FLAG_BOLD	1154	p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
853	? rxvt_fontprop::bold : rxvt_fontprop::medium;	1155	? rxvt_fontprop::bold : rxvt_fontprop::medium;
854	p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC	1156	p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
855	? rxvt_fontprop::italic : rxvt_fontprop::roman;	1157	? rxvt_fontprop::italic : rxvt_fontprop::roman;
856		1158
…		…
858		1160
859	return p;	1161	return p;
860	}	1162	}
861		1163
862	bool	1164	bool
863	rxvt_font_xft::load (const rxvt_fontprop &prop)	1165	rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
864	{	1166	{
865	#if 0	1167	dTermDisplay;
866	for (int i = 0; i < SWATHCOUNT; i++)
867	cvr[i] = 0;
868	#endif
869		1168
870	clear ();	1169	clear ();
871		1170
872	FcPattern *p = FcNameParse ((FcChar8 *) name);	1171	FcPattern *p = FcNameParse ((FcChar8 *) name);
873		1172
874	if (!p)	1173	if (!p)
875	return false;	1174	return false;
876		1175
877	FcValue v;	1176	FcValue v;
878		1177
		1178	if (prop.height != rxvt_fontprop::unset
879	if (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch)	1179	&& (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
		1180	&& FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
880	FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);	1181	FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
881		1182
		1183	if (prop.weight != rxvt_fontprop::unset
882	if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)	1184	&& (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
883	FcPatternAddInteger (p, FC_WEIGHT, prop.weight);	1185	FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
884		1186
		1187	if (prop.slant != rxvt_fontprop::unset
885	if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)	1188	&& (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
886	FcPatternAddInteger (p, FC_SLANT, prop.slant);	1189	FcPatternAddInteger (p, FC_SLANT, prop.slant);
887
888	if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
889	FcPatternAddBool (p, FC_MINSPACE, 1);
890		1190
891	#if 0 // clipping unfortunately destroys our precious double-width-characters	1191	#if 0 // clipping unfortunately destroys our precious double-width-characters
892	// clip width, we can't do better, or can we?	1192	// clip width, we can't do better, or can we?
893	if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)	1193	if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
894	FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);	1194	FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
895	#endif	1195	#endif
896		1196
		1197	if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
		1198	FcPatternAddBool (p, FC_MINSPACE, 1);
		1199
		1200	// store generated name so iso14755 view gives better results
		1201	set_name ((char *)FcNameUnparse (p));
		1202
897	XftResult result;	1203	XftResult result;
898	FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);	1204	FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
899		1205
900	FcPatternDestroy (p);	1206	FcPatternDestroy (p);
901		1207
902	if (!match)	1208	if (!match)
903	return false;	1209	return false;
904		1210
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;	1211	int ftheight = 0;
		1212	bool success = true;
918		1213
919	for (;;)	1214	for (;;)
920	{	1215	{
921	XGlyphInfo g1, g2;	1216	f = XftFontOpenPattern (disp, FcPatternDuplicate (match));
922	FcChar8 c;
923		1217
924	c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1);	1218	if (!f)
925	c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2);	1219	{
		1220	success = false;
		1221	break;
		1222	}
926		1223
927	if (g1.xOff != g2.xOff) // don't simply trust the font	1224	FT_Face face = XftLockFace (f);
928	slow = true;
929		1225
930	width = g2.xOff;
931	ascent = (face->size->metrics.ascender + 63) >> 6;	1226	ascent = (face->size->metrics.ascender + 63) >> 6;
932	descent = (-face->size->metrics.descender + 63) >> 6;	1227	descent = (-face->size->metrics.descender + 63) >> 6;
933	height = ascent + descent;	1228	height = max (ascent + descent, (face->size->metrics.height + 63) >> 6);
		1229	width = 0;
934		1230
		1231	bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
		1232
		1233	XftUnlockFace (f);
		1234
		1235	int glheight = height;
		1236
		1237	for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
		1238	{
		1239	FcChar16 ch = *t;
		1240
		1241	if (cs != CS_UNICODE
		1242	&& ch > 0x100
		1243	&& FROM_UNICODE (cs, ch) == NOCHAR)
		1244	continue;
		1245
		1246	// ignore characters we wouldn't use anyways
		1247	bool careful;
		1248	if (!has_char (*t, &prop, careful))
		1249	continue;
		1250
		1251	XGlyphInfo g;
		1252	XftTextExtents16 (disp, f, &ch, 1, &g);
		1253
		1254	g.width -= g.x;
		1255
		1256	int wcw = WCWIDTH (ch);
		1257	if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
		1258
		1259	if (width < g.width ) width = g.width;
		1260	if (height < g.height ) height = g.height;
		1261	if (glheight < g.height - g.y) glheight = g.height - g.y;
		1262	}
		1263
		1264	if (!width)
		1265	{
		1266	rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name);
		1267
		1268	XftFontClose (disp, f);
		1269	f = 0;
		1270
		1271	success = false;
		1272	break;
		1273	}
		1274
		1275	if (prop.height == rxvt_fontprop::unset
935	if (height <= prop.height || !prop.height)	1276	|| (height <= prop.height && glheight <= prop.height)
		1277	|| height <= 2
		1278	|| !scalable)
936	break;	1279	break;
937		1280
938	if (ftheight)	1281	if (ftheight)
939	{	1282	{
940	// take smaller steps near the end	1283	// take smaller steps near the end
941	if (height > prop.height + 1) ftheight++;	1284	if (height > prop.height + 1) ftheight++;
942	if (height > prop.height + 2) ftheight++;	1285	if (height > prop.height + 2) ftheight++;
943	if (height > prop.height + 3) ftheight++;	1286	if (height > prop.height + 3) ftheight++;
944		1287
945	FT_Set_Pixel_Sizes (face, 0, ftheight -= height - prop.height);	1288	ftheight -= height - prop.height;
946	}	1289	}
947	else	1290	else
948	FT_Set_Pixel_Sizes (face, 0, ftheight = prop.height);	1291	ftheight = prop.height - 1;
		1292
		1293	XftFontClose (disp, f);
		1294	FcPatternDel (match, FC_PIXEL_SIZE);
		1295	FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
		1296	}
		1297
		1298	FcPatternDestroy (match);
		1299
		1300	#if 0 // do it per-character
		1301	if (prop.width != rxvt_fontprop::unset && width > prop.width)
949	}	1302	{
		1303	clear ();
		1304	success = false;
		1305	}
		1306	#endif
950		1307
951	XftUnlockFace (f);	1308	return success;
		1309	}
		1310
		1311	bool
		1312	rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
		1313	{
		1314	careful = false;
		1315
		1316	if (!XftCharExists (term->dpy, f, unicode))
		1317	return false;
		1318
		1319	if (!prop || prop->width == rxvt_fontprop::unset)
		1320	return true;
		1321
		1322	// check character against base font bounding box
		1323	FcChar32 ch = unicode;
		1324	XGlyphInfo g;
		1325	XftTextExtents32 (term->dpy, f, &ch, 1, &g);
		1326
		1327	int w = g.width - g.x;
		1328	int wcw = max (WCWIDTH (unicode), 1);
		1329
		1330	careful = g.x > 0 || w > prop->width * wcw;
		1331
		1332	if (careful && !OVERLAP_OK (w, wcw, prop))
		1333	return false;
		1334
		1335	// this weeds out _totally_ broken fonts, or glyphs
		1336	if (!OVERLAP_OK (g.xOff, wcw, prop))
		1337	return false;
952		1338
953	return true;	1339	return true;
954	}
955
956	bool
957	rxvt_font_xft::has_codepoint (unicode_t unicode)
958	{
959	return XftCharExists (DISPLAY, f, unicode);
960	}	1340	}
961		1341
962	void	1342	void
963	rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,	1343	rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
964	const text_t *text, int len,	1344	const text_t *text, int len,
965	int fg, int bg)	1345	int fg, int bg)
966	{	1346	{
967	clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);	1347	XGlyphInfo extents;
		1348	XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
		1349	XftGlyphSpec *ep = enc;
968		1350
969	if (!slow && width == r->TermWin.fwidth && 0)	1351	dTermDisplay;
970	{	1352	dTermGC;
971	if (sizeof (text_t) == sizeof (FcChar16))	1353
972	XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);	1354	int w = term->fwidth * len;
973	else	1355	int h = term->fheight;
974	XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);	1356
975	}	1357	bool buffered = bg >= Color_transparent
976	else	1358	&& term->option (Opt_buffered);
977	{	1359
		1360	// cut trailing spaces
		1361	while (len && text [len - 1] == ' ')
		1362	len--;
		1363
		1364	int x_ = buffered ? 0 : x;
		1365	int y_ = buffered ? 0 : y;
		1366
978	while (len)	1367	while (len)
		1368	{
		1369	int cwidth = term->fwidth;
		1370	FcChar32 fc = *text++; len--;
		1371
		1372	while (len && *text == NOCHAR)
		1373	text++, len--, cwidth += term->fwidth;
		1374
		1375	if (fc != ' ') // skip spaces
		1376	{
		1377	FT_UInt glyph = XftCharIndex (disp, f, fc);
		1378	XftGlyphExtents (disp, f, &glyph, 1, &extents);
		1379
		1380	ep->glyph = glyph;
		1381	ep->x = x_ + (cwidth - extents.xOff >> 1);
		1382	ep->y = y_ + ascent;
		1383
		1384	if (extents.xOff == 0)
		1385	ep->x = x_ + cwidth;
		1386
		1387	ep++;
979	{	1388	}
980	if (*text != NOCHAR && *text != ' ')	1389
		1390	x_ += cwidth;
		1391	}
		1392
		1393	if (buffered)
		1394	{
		1395	if (ep != enc)
		1396	{
		1397	rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
		1398
		1399	#ifdef HAVE_BG_PIXMAP
		1400	Picture dst = 0; // the only assignment is done conditionally in the following if condition
		1401
		1402	if (term->bgPixmap.pixmap
		1403	&& (bg == Color_transparent || bg == Color_bg
		1404	|| (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
981	{	1405	{
982	int fwidth = r->TermWin.fwidth;	1406	int src_x = x, src_y = y;
983	if (len >= 2 && text[1] == NOCHAR)
984	fwidth *= 2;
985		1407
986	XGlyphInfo extents;	1408	if (term->bgPixmap.flags & bgPixmap_t::isTransparent)
987	if (sizeof (text_t) == sizeof (FcChar16))
988	{	1409	{
989	XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);	1410	src_x += term->window_vt_x;
990	XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,	1411	src_y += term->window_vt_y;
991	y + r->TermWin.fbase, (const FcChar16 *)text, 1);	1412	}
		1413
		1414	if (term->bgPixmap.pmap_width >= src_x + w
		1415	&& term->bgPixmap.pmap_height >= src_y + h)
		1416	{
		1417	XCopyArea (disp, term->bgPixmap.pixmap, d2, gc,
		1418	src_x, src_y, w, h, 0, 0);
992	}	1419	}
993	else	1420	else
994	{	1421	{
995	XGlyphInfo extents;	1422	XGCValues gcv;
996	XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);	1423
997	XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,	1424	gcv.fill_style = FillTiled;
998	y + r->TermWin.fbase, (const FcChar32 *)text, 1);	1425	gcv.tile = term->bgPixmap.pixmap;
		1426	gcv.ts_x_origin = -src_x;
		1427	gcv.ts_y_origin = -src_y;
		1428
		1429	XChangeGC (disp, gc,
		1430	GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
		1431	&gcv);
		1432
		1433	XFillRectangle (disp, d2, gc, 0, 0, w, h);
		1434
		1435	gcv.fill_style = FillSolid;
		1436	XChangeGC (disp, gc, GCFillStyle, &gcv);
		1437	}
		1438
		1439	if (dst)
		1440	{
		1441	Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
		1442
		1443	// dst can only be set when bg >= 0
		1444	XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
999	}	1445	}
1000	}	1446	}
1001
1002	x += r->TermWin.fwidth;
1003	text++;
1004	len--;	1447	else
		1448	#endif
		1449	XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
		1450
		1451	XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
		1452	XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1005	}	1453	}
		1454	else
		1455	clear_rect (d, x, y, w, h, bg);
		1456	}
		1457	else
1006	}	1458	{
		1459	clear_rect (d, x, y, w, h, bg);
		1460	XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
		1461	}
1007	}	1462	}
		1463
1008	#endif	1464	#endif
1009		1465
1010	/////////////////////////////////////////////////////////////////////////////	1466	/////////////////////////////////////////////////////////////////////////////
1011		1467
1012	rxvt_fontset::rxvt_fontset (rxvt_t r)	1468	rxvt_fontset::rxvt_fontset (rxvt_term *term)
1013	: r (r), fontdesc (0)	1469	: fontdesc (0), term (term)
1014	{	1470	{
1015	clear ();	1471	clear ();
1016	}	1472	}
1017		1473
1018	rxvt_fontset::~rxvt_fontset ()	1474	rxvt_fontset::~rxvt_fontset ()
…		…
1021	}	1477	}
1022		1478
1023	void	1479	void
1024	rxvt_fontset::clear ()	1480	rxvt_fontset::clear ()
1025	{	1481	{
		1482	prop.width = prop.height = prop.ascent = prop.weight = prop.slant
		1483	= rxvt_fontprop::unset;
		1484	force_prop = false;
		1485
1026	for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)	1486	for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1027	FONT_UNREF (*i);	1487	(*i)->unref ();
		1488
		1489	for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
		1490	delete *p;
1028		1491
1029	free (fontdesc); fontdesc = 0;	1492	free (fontdesc); fontdesc = 0;
1030		1493
1031	fonts.clear ();	1494	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		1495
1037	fallback = fallback_fonts;	1496	fallback = fallback_fonts;
		1497	}
		1498
		1499	void
		1500	rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
		1501	{
		1502	font->set_term (term);
		1503
		1504	font->cs = cs;
		1505	font->loaded = false;
1038	}	1506	}
1039		1507
1040	rxvt_font *	1508	rxvt_font *
1041	rxvt_fontset::new_font (const char *name, codeset cs)	1509	rxvt_fontset::new_font (const char *name, codeset cs)
1042	{	1510	{
1043	rxvt_font *f;	1511	rxvt_font *f;
1044		1512
1045	if (!name || !*name)	1513	if (!name || !*name)
1046	{	1514	{
1047	name = "";	1515	name = "";
1048	f = new rxvt_font_default;	1516	f = new rxvt_font_default (this);
1049	}	1517	}
1050	#if XFT	1518	#if XFT
1051	else if (!strncmp (name, "xft:", 4))	1519	else if (!strncmp (name, "xft:", 4))
1052	{	1520	{
1053	name += 4;	1521	name += 4;
1054	f = new rxvt_font_xft;	1522	f = new rxvt_font_xft ();
1055	}	1523	}
1056	#endif	1524	#endif
1057	else if (!strncmp (name, "x:", 2))	1525	else if (!strncmp (name, "x:", 2))
1058	{	1526	{
1059	name += 2;	1527	name += 2;
1060	f = new rxvt_font_x11;	1528	f = new rxvt_font_x11;
1061	}	1529	}
1062	else	1530	else
1063	f = new rxvt_font_x11;	1531	f = new rxvt_font_x11;
1064		1532
1065	f->fs = this;
1066	f->set_term (r);
1067	f->set_name (strdup (name));	1533	f->set_name (strdup (name));
1068		1534	prepare_font (f, cs);
1069	f->cs = cs;
1070	f->loaded = false;
1071		1535
1072	return f;	1536	return f;
1073	}	1537	}
1074		1538
1075	/////////////////////////////////////////////////////////////////////////////	1539	/////////////////////////////////////////////////////////////////////////////
		1540
		1541	void
		1542	rxvt_fontset::push_font (rxvt_font *font)
		1543	{
		1544	// the fontCount index is reserved for the overflow font, it is only
		1545	// necessary when we get fontCount or more fonts, as they cannot be
		1546	// represented in the rendition.
		1547	if (fonts.size () == fontCount)
		1548	{
		1549	rxvt_font *f = new rxvt_font_overflow (this);
		1550
		1551	prepare_font (f, CS_UNICODE);
		1552	fonts.push_back (f);
		1553	}
		1554
		1555	fonts.push_back (font);
		1556	}
1076		1557
1077	void	1558	void
1078	rxvt_fontset::add_fonts (const char *desc)	1559	rxvt_fontset::add_fonts (const char *desc)
1079	{	1560	{
1080	if (desc)	1561	if (desc)
…		…
1082	char buf[512];	1563	char buf[512];
1083	const char *end;	1564	const char *end;
1084		1565
1085	do	1566	do
1086	{	1567	{
1087	while (*desc <= ' ') desc++;	1568	while (*desc && *desc <= ' ')
		1569	desc++;
		1570
		1571	codeset cs = CS_UNICODE;
1088		1572
1089	if (*desc == '[')	1573	if (*desc == '[')
1090	{	1574	{
1091	fprintf (stderr, "extra font parameters not yet supported, skipping.\n");	1575	char spec[256];
1092
1093	//const char *extra = desc++; // not yet used	1576	const char *extra = ++desc; // not yet used
1094		1577
1095	desc = strchr (desc, ']');	1578	desc = strchr (desc, ']');
1096		1579
1097	if (!desc)	1580	if (!desc)
1098	{	1581	{
1099	fprintf (stderr, "ERROR: opening '[' without closing ']' in font specification.\n");	1582	rxvt_warn ("ERROR: opening '[' without closing ']' in font specification, trying to continue.\n");
1100	break;	1583	break;
1101	}	1584	}
		1585
		1586	memcpy (spec, extra, min (desc - extra, 255));
		1587	spec[min (desc - extra, 255)] = 0;
		1588
		1589	if (!strncmp (extra, "codeset=", sizeof ("codeset=") - 1))
		1590	cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
		1591	else
		1592	rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1102		1593
1103	desc++;	1594	desc++;
1104	while (*desc <= ' ') desc++;	1595	while (*desc <= ' ') desc++;
1105	}	1596	}
1106		1597
…		…
1108	if (!end)	1599	if (!end)
1109	end = desc + strlen (desc);	1600	end = desc + strlen (desc);
1110		1601
1111	if (end - desc < 511)	1602	if (end - desc < 511)
1112	{	1603	{
1113	strncpy (buf, desc, end - desc);	1604	memcpy (buf, desc, end - desc);
1114	buf[end - desc] = 0;	1605	buf[end - desc] = 0;
1115		1606
1116	fonts.push_back (new_font (buf, CS_UNICODE));	1607	push_font (new_font (buf, cs));
1117	}	1608	}
		1609	else
		1610	rxvt_warn ("fontset element too long (>511 bytes), ignored.");
1118		1611
1119	desc = end + 1;	1612	desc = end + 1;
1120	}	1613	}
1121	while (*end);	1614	while (*end);
1122	}	1615	}
1123	}	1616	}
1124		1617
1125	bool	1618	bool
1126	rxvt_fontset::realize_font (int i)	1619	rxvt_fontset::realize_font (int i)
1127	{	1620	{
		1621	if (i < 0 || i >= fonts.size ())
		1622	return false;
		1623
1128	if (fonts[i]->loaded)	1624	if (fonts[i]->loaded)
1129	return true;	1625	return true;
1130		1626
1131	fonts[i]->loaded = true;	1627	fonts[i]->loaded = true;
1132		1628
1133	if (!fonts[i]->load (base_prop))	1629	if (!fonts[i]->load (prop, force_prop))
1134	{	1630	{
1135	fonts[i]->cs = CS_UNKNOWN;	1631	fonts[i]->cs = CS_UNKNOWN;
1136	return false;	1632	return false;
1137	}	1633	}
1138		1634
…		…
1144	{	1640	{
1145	clear ();	1641	clear ();
1146		1642
1147	fontdesc = strdup (desc);	1643	fontdesc = strdup (desc);
1148		1644
1149	fonts.push_back (new_font (0, CS_UNICODE));	1645	push_font (new_font (0, CS_UNICODE));
1150	realize_font (0);	1646	realize_font (0);
1151		1647
1152	add_fonts (desc);	1648	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		1649
1170	return true;	1650	return true;
1171	}	1651	}
1172		1652
1173	int	1653	int
…		…
1179		1659
1180	return -1;	1660	return -1;
1181	}	1661	}
1182		1662
1183	int	1663	int
1184	rxvt_fontset::find_font (unicode_t unicode, bool bold)	1664	rxvt_fontset::find_font_idx (unicode_t unicode)
1185	{	1665	{
		1666	if (unicode >= 1<<20)
		1667	return 0;
1186		1668
1187	for (unsigned int i = !!(0x20 <= unicode && unicode <= 0x7f); // skip pseudo-font for ascii	1669	unicode_t hi = unicode >> 8;
1188	i < fonts.size ();	1670
1189	i++)	1671	if (hi < fmap.size ()
		1672	&& fmap[hi]
		1673	&& (*fmap[hi])[unicode & 0xff] != 0xff)
		1674	return (*fmap[hi])[unicode & 0xff];
		1675
		1676	unsigned int i;
		1677
		1678	for (i = 0; i < fonts.size (); i++)
1190	{	1679	{
1191	rxvt_font *f = fonts[i];	1680	rxvt_font *f = fonts[i];
1192		1681
1193	if (!f->loaded)	1682	if (!f->loaded)
1194	{	1683	{
1195	if (FROM_UNICODE (f->cs, unicode) == NOCHAR)	1684	if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1196	goto next_font;	1685	goto next_font;
1197		1686
1198	if (!realize_font (i))	1687	if (!realize_font (i))
1199	goto next_font;	1688	goto next_font;
		1689
		1690	if (prop.ascent != rxvt_fontprop::unset)
		1691	max_it (f->ascent, prop.ascent);
1200	}	1692	}
1201		1693
1202	if (f->cs == CS_UNKNOWN)	1694	if (f->cs == CS_UNKNOWN)
1203	goto next_font;	1695	goto next_font;
1204		1696
1205	if (bold && f->properties ().weight < rxvt_fontprop::bold)	1697	bool careful;
		1698	if (f->has_char (unicode, &prop, careful))
		1699	{
		1700	i = (i << 1) | careful;
		1701
1206	goto next_font;	1702	goto found;
1207		1703	}
1208	if (f->has_codepoint (unicode))
1209	return i;
1210		1704
1211	next_font:	1705	next_font:
1212	if (i == fonts.size () - 1)	1706	if (i == fonts.size () - 1)
1213	{	1707	{
1214	if (fallback->name)	1708	if (fallback->name)
1215	{	1709	{
1216	// search through the fallback list	1710	// search through the fallback list
1217	fonts.push_back (new_font (fallback->name, fallback->cs));	1711	push_font (new_font (fallback->name, fallback->cs));
1218	fallback++;	1712	fallback++;
1219	}	1713	}
1220	else	1714	else
1221	{	1715	{
1222	// try to find a new font.	1716	// try to find a new font.
1223	// only xft currently supported, as there is no	1717	// only xft currently supported, as there is no
1224	// way to configure this and xft is easier to hack in,	1718	// way to configure this and xft is easier to hack in,
1225	// while x11 has more framework in place already.	1719	// while x11 has more framework in place already.
1226	#if XFT	1720	// TODO: this is a real resource hog, xft takes ages(?)
		1721	#if XFT && USE_SLOW_LOOKUP
1227	// grab the first xft font that seems suitable	1722	// grab the first xft font that seems suitable
1228	FcPattern *p = FcPatternCreate ();	1723	FcPattern *p = FcPatternCreate ();
1229		1724
1230	FcCharSet *s = FcCharSetCreate ();	1725	FcCharSet *s = FcCharSetCreate ();
1231	FcCharSetAddChar (s, unicode);	1726	FcCharSetAddChar (s, unicode);
1232	FcPatternAddCharSet (p, FC_CHARSET, s);	1727	FcPatternAddCharSet (p, FC_CHARSET, s);
1233	// charsets don't help that much, as xft might return	1728	// charsets don't help that much, as xft might return
1234	// a non-matching font even if a better font is available :/	1729	// a non-matching font even if a better font is available :/
1235		1730
		1731	x x x x TODO prop might have unset contents
1236	FcPatternAddInteger (p, FC_PIXEL_SIZE, base_prop.height);	1732	FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1237	FcPatternAddInteger (p, FC_WEIGHT, base_prop.weight);	1733	FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1238	FcPatternAddInteger (p, FC_SLANT, base_prop.slant);	1734	FcPatternAddInteger (p, FC_SLANT, prop.slant);
1239	FcPatternAddBool (p, FC_MINSPACE, 1);	1735	FcPatternAddBool (p, FC_MINSPACE, 1);
1240	//FcPatternAddBool (p, FC_ANTIALIAS, 1);	1736	//FcPatternAddBool (p, FC_ANTIALIAS, 1);
1241		1737
1242	XftResult result;	1738	XftResult result;
1243	FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);	1739	FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1244		1740
1245	FcPatternDestroy (p);	1741	FcPatternDestroy (p);
1246		1742
1247	if (match)	1743	if (match)
1248	{	1744	{
…		…
1251	FcPatternDestroy (match);	1747	FcPatternDestroy (match);
1252		1748
1253	if (find_font (font) < 0)	1749	if (find_font (font) < 0)
1254	{	1750	{
1255	char fontname[4096];	1751	char fontname[4096];
1256	sprintf (fontname, "xft:%-.4090s", font);	1752	snprintf (fontname, sizeof (fontname), "xft:%s", font);
1257		1753
1258	fonts.push_back (new_font (fontname, CS_UNICODE));	1754	push_font (new_font (fontname, CS_UNICODE));
1259	}	1755	}
1260		1756
1261	free (font);	1757	free (font);
1262	}	1758	}
1263	#endif	1759	#endif
1264	}	1760	}
1265	}	1761	}
1266	}	1762	}
1267		1763
1268	// if no bold font found, use a regular one	1764	/* we must return SOME font */
1269	if (bold)	1765	i = 0;
1270	return find_font (unicode);
1271		1766
1272	return 0; /* we must return SOME font */	1767	found:
1273	}	1768	// found a font, cache it
		1769	if (i < 255)
		1770	{
		1771	while (hi >= fmap.size ())
		1772	fmap.push_back (0);
1274		1773
		1774	if (!fmap[hi])
		1775	{
		1776	fmap[hi] = (pagemap *)new pagemap;
		1777	memset (fmap[hi], 0xff, sizeof (pagemap));
		1778	}
1275		1779
		1780	(*fmap[hi])[unicode & 0xff] = i;
		1781	}
1276		1782
		1783	return i;
		1784	}
		1785

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