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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.50 by root, Wed Dec 1 02:29:14 2004 UTC vs.
Revision 1.206 by root, Thu Jun 17 19:37:28 2021 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 <schmorp@schmorp.de>
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 3 of the License, or
10 * (at your option) any later version. 10 * (at your option) any later version.
11 * 11 *
12 * This program is distributed in the hope that it will be useful, 12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 "rxvtutil.h"
25#include "rxvtfont.h" 25#include "rxvtfont.h"
26 26
27#include <cstdlib> 27#include <stdlib.h>
28#include <wchar.h> 28
29#include <inttypes.h> 29#include <inttypes.h>
30 30
31#define DISPLAY r->display->display 31#if XFT
32#define TGC r->TermWin.gc 32# include <fontconfig/fontconfig.h>
33#endif
33 34
34#define MAX_OVERLAP (4 + 1) // max. character width in 4ths of the base width 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
35 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
36const struct rxvt_fallback_font { 44static const struct rxvt_fallback_font {
37 codeset cs; 45 codeset cs;
38 const char *name; 46 const char *name;
39} fallback_fonts[] = { 47} fallback_fonts[] = {
40 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" }, 48 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },
41 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" }, 49 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },
42 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" }, 50 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" },
43 51
44#if ENCODING_EU 52#if ENCODING_EU
45 // cyrillic 53 // cyrillic
46 { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" }, 54 { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" },
47 { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" }, 55 { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" },
48 56
49 { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" }, 57 { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" },
50 { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" }, 58 { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" },
51 { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" }, 59 { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" },
52 { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" }, 60 { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" },
53 { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" }, 61 { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" },
… …
59 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" }, 67 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },
60 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" }, 68 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },
61 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" }, 69 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },
62 70
63# if XFT 71# if XFT
64 { CS_KOI8_U, "xft::spacing=100:lang=ru:antialias=false" }, 72 { CS_KOI8_U, "xft::lang=ru" },
65 73
66 { CS_ISO8859_5, "xft::spacing=100:lang=ru:antialias=false" }, 74 { CS_ISO8859_5, "xft::lang=ru" },
67 { CS_ISO8859_6, "xft::spacing=100:lang=ar:antialias=false" }, 75 { CS_ISO8859_6, "xft::lang=ar" },
68 { CS_ISO8859_7, "xft::spacing=100:lang=el:antialias=false" }, 76 { CS_ISO8859_7, "xft::lang=el" },
69 { CS_ISO8859_8, "xft::spacing=100:lang=he:antialias=false" }, 77 { CS_ISO8859_8, "xft::lang=he" },
70 { CS_ISO8859_9, "xft::spacing=100:lang=tr:antialias=false" }, 78 { CS_ISO8859_9, "xft::lang=tr" },
71 { CS_ISO8859_10, "xft::spacing=100:lang=se:antialias=false" }, 79 { CS_ISO8859_10, "xft::lang=se" },
72 { CS_ISO8859_11, "xft::spacing=100:lang=th:antialias=false" }, 80 { CS_ISO8859_11, "xft::lang=th" },
73# endif 81# endif
74#endif 82#endif
75 83
76 // japanese 84 // japanese
77#if ENCODING_JP || ENCODING_JP_EXT 85#if ENCODING_JP || ENCODING_JP_EXT
78# if XFT 86# if XFT
79 // prefer xft for complex scripts 87 // prefer xft for complex scripts
88 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
80 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, 89 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
81 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
82 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" }, 90 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
83 { CS_JIS0208_1990_0, "xft::lang=ja:spacing=100:antialias=false" }, 91 { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
84# endif 92# endif
85 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 93 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
86 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 94 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
87 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 95 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
88 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 96 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
… …
90 { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 98 { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
91#endif 99#endif
92 100
93#if ENCODING_ZH || ENCODING_ZH_EXT 101#if ENCODING_ZH || ENCODING_ZH_EXT
94# 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" },
95 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 106 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
96 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 107 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
97 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 108 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
98 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 109 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
99 { CS_GB2312_1980_0, "xft::spacing=100:lang=zh" }, 110 { CS_GB2312_1980_0, "xft::lang=zh" },
100# endif 111# endif
112 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
101 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, 113 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
102 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, 114 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
103 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, 115 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
116 { CS_GB2312_1980_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
104 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" }, 117 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
105 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" }, 118 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
106 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" }, 119 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
107 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" }, 120 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
108 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" }, 121 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
… …
115#if ENCODING_KR 128#if ENCODING_KR
116 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 129 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
117 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 130 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
118# if XFT 131# if XFT
119 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, 132 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
120 { CS_KSC5601_1987_0, "xft::spacing=100:lang=ko:antialias=false" }, 133 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
121# endif 134# endif
122#endif 135#endif
123 136
124 // generic font fallback 137 //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
125 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
126 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
127 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
128 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
129#if XFT 138#if XFT
130 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true"}, 139 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
131 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 140 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
132 { CS_UNICODE, "xft:Andale Mono:antialias=false" }, 141 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
133 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false" }, 142 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
134 143
135 // FreeMono is usually uglier than x fonts, so try last only. 144 // FreeMono is usually uglier than x fonts, so try after the others
136 { CS_UNICODE, "xft:FreeMono:autohint=true" }, 145 { CS_UNICODE, "xft:FreeMono:autohint=true" },
137#endif 146#endif
138 147
148 // generic font fallback, put this last, as many iso10646 fonts have extents
149 // specified for all glyphs in the range they cover, but most are simply empty
150 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
151 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
139 { CS_UNKNOWN, 0 } 152 { CS_UNKNOWN, 0 }
140}; 153};
141 154
142// these characters are used to guess the font height and width 155// these characters are used to guess the font height and width
143// pango uses a similar algorithm and eosn't trust the font either. 156// pango uses a similar algorithm and doesn't trust the font either.
144static uint16_t extent_test_chars[] = { 157static uint16_t extent_test_chars[] = {
145 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 158 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
146 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 159 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
147 0x304c, 0x672c, // が本 160 0x304c, 0x672c, // が本
148}; 161};
149 162
150#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0])) 163#define dTermDisplay Display *disp = term->dpy
164#define dTermGC GC gc = term->gc
151 165
152///////////////////////////////////////////////////////////////////////////// 166/////////////////////////////////////////////////////////////////////////////
153
154#if XFT
155rxvt_drawable::~rxvt_drawable ()
156{
157 if (xftdrawable)
158 XftDrawDestroy (xftdrawable);
159}
160
161rxvt_drawable::operator XftDraw *()
162{
163 if (!xftdrawable)
164 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
165
166 return xftdrawable;
167}
168#endif
169
170/////////////////////////////////////////////////////////////////////////////
171
172static void *enc_buf;
173static uint32_t enc_len;
174
175static inline void *
176get_enc_buf (uint32_t len)
177{
178 if (len > enc_len)
179 {
180 free (enc_buf);
181 enc_buf = malloc (len);
182 enc_len = len;
183 }
184
185 return enc_buf;
186}
187 167
188static const char * 168static const char *
189enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero) 169enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
190{ 170{
191 uint8_t *buf = (uint8_t *)get_enc_buf (len); 171 uint8_t *buf = rxvt_temp_buf<uint8_t> (len);
172 uint8_t *res = buf;
192 173
193 while (len--) 174 while (len--)
194 { 175 {
195 uint32_t c = FROM_UNICODE (cs, *text++); 176 uint32_t c = FROM_UNICODE (cs, *text++);
196 177
… …
201 } 182 }
202 183
203 *buf++ = c; 184 *buf++ = c;
204 } 185 }
205 186
206 return (const char *)enc_buf; 187 return (const char *)res;
207} 188}
208 189
209static const XChar2b * 190static const XChar2b *
210enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero) 191enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
211{ 192{
212 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 193 XChar2b *buf = rxvt_temp_buf<XChar2b> (len);
194 XChar2b *res = buf;
213 195
214 while (len--) 196 while (len--)
215 { 197 {
216 uint32_t c = FROM_UNICODE (cs, *text++); 198 uint32_t c = FROM_UNICODE (cs, *text++);
217 199
… …
224 buf->byte1 = c >> 8; 206 buf->byte1 = c >> 8;
225 buf->byte2 = c; 207 buf->byte2 = c;
226 buf++; 208 buf++;
227 } 209 }
228 210
229 return (XChar2b *)enc_buf; 211 return res;
230} 212}
231 213
232///////////////////////////////////////////////////////////////////////////// 214/////////////////////////////////////////////////////////////////////////////
233 215
216rxvt_font::rxvt_font ()
217: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
218{
219}
220
234void 221void
235rxvt_font::set_name (char *name) 222rxvt_font::set_name (char *name_)
236{ 223{
237 if (this->name == name) 224 if (name == name_)
238 return; 225 return;
239 226
240 if (this->name) free (this->name); // let the compiler optimize 227 if (name) free (name); // let the compiler optimize
241 this->name = name; 228 name = name_;
242} 229}
243 230
244void 231void
245rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) 232rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const
246{ 233{
247 if (color == Color_bg) 234 dTermDisplay;
248 XClearArea (d.display->display, d, x, y, w, h, FALSE); 235 dTermGC;
236
237 if (color == Color_bg || color == Color_transparent)
238 XClearArea (disp, d, x, y, w, h, false);
249 else if (color >= 0) 239 else if (color >= 0)
250 { 240 {
251#if XFT 241#if XFT
242 Picture dst;
243
244# ifdef HAVE_IMG
245 if (term->bg_img
246 && !term->pix_colors[color].is_opaque ()
247 && ((dst = XftDrawPicture (d))))
248 {
249 XClearArea (disp, d, x, y, w, h, false);
250
251 Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c);
252 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h);
253 }
254 else
255# endif
252 XftDrawRect (d, &r->pix_colors[color].c, x, y, w, h); 256 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
257
253#else 258#else
254 XSetForeground (d.display->display, TGC, r->pix_colors[color]); 259 XSetForeground (disp, gc, term->pix_colors[color]);
255 XFillRectangle (d.display->display, d, TGC, x, y, w, h); 260 XFillRectangle (disp, d, gc, x, y, w, h);
256#endif 261#endif
257 } 262 }
258} 263}
259 264
260#include "table/linedraw.h" 265/////////////////////////////////////////////////////////////////////////////
261 266
262struct rxvt_font_default : rxvt_font { 267struct rxvt_font_default : rxvt_font
268{
263 struct rxvt_fontset *fs; 269 struct rxvt_fontset *fs;
264 270
265 rxvt_font_default (rxvt_fontset *fs) 271 rxvt_font_default (rxvt_fontset *fs)
266 : rxvt_font () 272 : rxvt_font ()
267 { 273 {
… …
271 rxvt_fontprop properties () 277 rxvt_fontprop properties ()
272 { 278 {
273 rxvt_fontprop p; 279 rxvt_fontprop p;
274 280
275 p.width = p.height = 1; 281 p.width = p.height = 1;
282 p.ascent = rxvt_fontprop::unset;
276 p.weight = rxvt_fontprop::medium; 283 p.weight = rxvt_fontprop::medium;
277 p.slant = rxvt_fontprop::roman; 284 p.slant = rxvt_fontprop::roman;
278 285
279 return p; 286 return p;
280 } 287 }
281 288
282 bool load (const rxvt_fontprop &prop) 289 bool load (const rxvt_fontprop &prop, bool force_prop)
283 { 290 {
284 width = 1; height = 1; 291 width = 1; height = 1;
285 ascent = 1; descent = 0; 292 ascent = 1; descent = 0;
286 293
287 set_name (strdup ("built-in support font")); 294 set_name (strdup ("built-in support font"));
288 295
289 return true; 296 return true;
290 } 297 }
291 298
292 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 299 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
293 { 300 {
294 careful = false; 301 careful = false;
295 302
296 if (unicode <= 0x001f) 303 if (unicode <= 0x001f)
297 return true; 304 return true;
… …
300 return false; 307 return false;
301 308
302 if (unicode <= 0x009f) 309 if (unicode <= 0x009f)
303 return true; 310 return true;
304 311
312#ifdef BUILTIN_GLYPHS
305 if (unicode >= 0x2500 && unicode <= 0x259f) 313 if (unicode >= 0x2500 && unicode <= 0x259f &&
314 !term->option (Opt_skipBuiltinGlyphs))
306 return true; 315 return true;
316#endif
307 317
308 if (IS_COMPOSE (unicode)) 318 // we do not check for IS_COMPOSE here, as this would
309 return true; 319 // rob other fonts from taking over.
310 320
311 switch (unicode) 321 switch (unicode)
312 { 322 {
313 case ZERO_WIDTH_CHAR: 323 case ZERO_WIDTH_CHAR:
314 case NOCHAR: 324 case NOCHAR:
… …
326void 336void
327rxvt_font_default::draw (rxvt_drawable &d, int x, int y, 337rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
328 const text_t *text, int len, 338 const text_t *text, int len,
329 int fg, int bg) 339 int fg, int bg)
330{ 340{
341 dTermDisplay;
342 dTermGC;
343
331 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 344 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
332 345
333 XSetForeground (d.display->display, TGC, r->pix_colors[fg]); 346 XSetForeground (disp, gc, term->pix_colors[fg]);
334 347
335 while (len--) 348 while (len)
336 { 349 {
350 const text_t *tp = text;
351 text_t t = *tp;
352
353 while (++text, --len && *text == NOCHAR)
354 ;
355
337#if ENABLE_COMBINING 356#if ENABLE_COMBINING
338 compose_char *cc; 357 compose_char *cc;
339#endif 358#endif
340 text_t t = *text++; 359 int width = text - tp;
360 int fwidth = term->fwidth * width;
341 361
362#ifdef BUILTIN_GLYPHS
342 if (0x2500 <= t && t <= 0x259f) 363 if (0x2500 <= t && t <= 0x259f)
343 { 364 {
365# include "table/linedraw.h"
344 uint16_t offs = linedraw_offs[t - 0x2500]; 366 uint16_t offs = linedraw_offs[t - 0x2500];
345 uint32_t *a = linedraw_command + (offs >> 4); 367 uint32_t *a = linedraw_command + (offs >> 4);
346 uint32_t *b = a + (offs & 15); 368 uint32_t *b = a + (offs & 15);
347 369
348 int W = r->TermWin.fwidth * wcwidth (t); 370 int W = fwidth;
349 int H = r->TermWin.fheight; 371 int H = term->fheight;
350 372
351 int x_[16]; 373 int x_[16];
352 int y_[16]; 374 int y_[16];
353 375
354 for (int i = 0; i <= 8; i++) 376 for (int i = 0; i <= 8; i++)
… …
362 384
363 XGCValues gcv; 385 XGCValues gcv;
364 386
365 gcv.cap_style = CapButt; 387 gcv.cap_style = CapButt;
366 gcv.line_width = 0; 388 gcv.line_width = 0;
367 XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv); 389 XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
368 390
369 while (a < b) 391 while (a < b)
370 { 392 {
371 uint32_t command = *a++; 393 uint32_t command = *a++;
372 394
… …
379 int y2 = y_[(command >> 0) & 15]; 401 int y2 = y_[(command >> 0) & 15];
380 402
381 switch (op) 403 switch (op)
382 { 404 {
383 case 0: // line 405 case 0: // line
384 XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2); 406 XDrawLine (disp, d, gc, x1, y1, x2, y2);
385 break; 407 break;
386 408
387 case 1: // rectangle, possibly stippled 409 case 1: // rectangle, possibly stippled
388 if (a) 410 if (a)
389 { 411 {
390 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 412 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
391 413
392 gcv.fill_style = FillStippled; 414 gcv.fill_style = FillStippled;
393 gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2); 415 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
394 gcv.ts_x_origin = x; 416 gcv.ts_x_origin = x;
395 gcv.ts_y_origin = y; 417 gcv.ts_y_origin = y;
396 418
397 XChangeGC (d.display->display, TGC, 419 XChangeGC (disp, gc,
398 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 420 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
399 &gcv); 421 &gcv);
400 } 422 }
401 423
402 XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); 424 XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
403 425
404 if (a) 426 if (a)
405 { 427 {
406 XFreePixmap (d.display->display, gcv.stipple); 428 XFreePixmap (disp, gcv.stipple);
407 gcv.stipple = 0; 429 gcv.stipple = 0;
408 gcv.fill_style = FillSolid; 430 gcv.fill_style = FillSolid;
409 XChangeGC (d.display->display, TGC, GCFillStyle, &gcv); 431 XChangeGC (disp, gc, GCFillStyle, &gcv);
410 } 432 }
411 break; 433 break;
412 case 2: // arc 434 case 2: // arc
413 XDrawArc (d.display->display, d, TGC, 435 XDrawArc (disp, d, gc,
414 x1 - W/2, y1 - H/2, W-1, H-1, 436 x1 - W/2, y1 - H/2, W-1, H-1,
415 (a - 1) * 90*64, (b - 1) * 90*64); 437 (a - 1) * 90*64, (b - 1) * 90*64);
416 break; 438 break;
417 } 439 }
418 } 440 }
419 } 441 }
442#else
443 if (0)
444 ;
445#endif
420#if ENABLE_COMBINING 446#if ENABLE_COMBINING
421 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 447 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
422 { 448 {
449 min_it (width, 2); // we only support wcwidth up to 2
423 text_t c2[2]; 450 text_t chrs[2];
424 int len2 = 1; 451 chrs [1] = NOCHAR;
425
426 // support double-width (but not more) combining characters
427 if (len && *text == NOCHAR)
428 {
429 c2[1] = *text; // not text++ to get correct x-width
430 len2++;
431 }
432 452
433 c2[0] = cc->c1; 453 *chrs = cc->c1;
434 rxvt_font *f1 = (*fs)[fs->find_font (c2[0])]; 454 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
435 f1->draw (d, x, y, c2, len2, fg, bg); 455 f1->draw (d, x, y, chrs, width, fg, bg);
436 456
437 if (cc->c2 != NOCHAR) 457 if (cc->c2 != NOCHAR)
438 { 458 {
439 bool careful; 459 bool careful;
440 460
441 // prefer font of first character, for no good reasons 461 // prefer font of first character, for no good reasons
442 c2[0] = cc->c2; 462 *chrs = cc->c2;
443 rxvt_font *f2 = (f1->has_char (c2[0], 0, careful) && !careful) 463 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
444 ? f1 464 ? f1
445 : (*fs)[fs->find_font (c2[0])]; 465 : (*fs)[fs->find_font_idx (cc->c2)];
446 466
447 f2->draw (d, x, y, c2, len2, fg, -1); 467 f2->draw (d, x, y, chrs, width, fg, Color_none);
448 } 468 }
449 } 469 }
450#endif 470#endif
451 else 471 else
452 switch (t) 472 switch (t)
… …
454 case '\t': 474 case '\t':
455 case ZERO_WIDTH_CHAR: 475 case ZERO_WIDTH_CHAR:
456 case NOCHAR: 476 case NOCHAR:
457 break; 477 break;
458 478
479 /*
480 * If the base font does not support variation selectors, treat them as ZWC.
481 * a point could be made to do this for all wcwidth == 0 characters, but I
482 * decided against that until more data is available.
483 */
484 case 0xfe00: case 0xfe01: case 0xfe02: case 0xfe03: case 0xfe04: case 0xfe05: case 0xfe06: case 0xfe07:
485 case 0xfe08: case 0xfe09: case 0xfe0a: case 0xfe0b: case 0xfe0c: case 0xfe0d: case 0xfe0e: case 0xfe0f:
486 break;
487
459 default: 488 default:
460 int w = 0;
461 while (len > 0 && *text == NOCHAR)
462 {
463 ++text;
464 --len;
465 w += r->TermWin.fwidth;
466 }
467
468 XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2, 489 XDrawRectangle (disp, d, gc, x + 2, y + 2,
469 w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4); 490 fwidth - 4, term->fheight - 4);
470 x += w;
471 } 491 }
472 492
473 x += r->TermWin.fwidth; 493 x += fwidth;
494 }
495}
496
497struct rxvt_font_overflow : rxvt_font
498{
499 struct rxvt_fontset *fs;
500
501 rxvt_font_overflow (rxvt_fontset *fs)
502 : rxvt_font ()
503 {
504 this->fs = fs;
505 }
506
507 rxvt_fontprop properties ()
508 {
509 rxvt_fontprop p;
510
511 p.width = p.height = 1;
512 p.ascent = rxvt_fontprop::unset;
513 p.weight = rxvt_fontprop::medium;
514 p.slant = rxvt_fontprop::roman;
515
516 return p;
517 }
518
519 bool load (const rxvt_fontprop &prop, bool force_prop)
520 {
521 width = 1; height = 1;
522 ascent = 1; descent = 0;
523
524 set_name (strdup ("built-in rendition overflow font"));
525
526 return true;
527 }
528
529 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
530 {
531 return false;
532 }
533
534 void draw (rxvt_drawable &d, int x, int y,
535 const text_t *text, int len,
536 int fg, int bg)
537 {
538 while (len)
539 {
540 int fid = fs->find_font_idx (*text);
541 int w = 1;
542 while (w < len && text[w] == NOCHAR)
543 w++;
544 (*fs)[fid]->draw (d, x, y, text, w, fg, bg);
545 text += w;
546 len -= w;
547 x += term->fwidth * w;
474 } 548 }
475} 549 }
550};
476 551
477///////////////////////////////////////////////////////////////////////////// 552/////////////////////////////////////////////////////////////////////////////
478 553
479struct rxvt_font_x11 : rxvt_font { 554struct rxvt_font_x11 : rxvt_font
555{
480 rxvt_font_x11 () { f = 0; } 556 rxvt_font_x11 () { f = 0; }
481 557
482 void clear (); 558 void clear ();
483 559
484 rxvt_fontprop properties (); 560 rxvt_fontprop properties ();
485 561
486 bool load (const rxvt_fontprop &prop); 562 bool load (const rxvt_fontprop &prop, bool force_prop);
487 563
488 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful); 564 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
489 565
490 void draw (rxvt_drawable &d, int x, int y, 566 void draw (rxvt_drawable &d, int x, int y,
491 const text_t *text, int len, 567 const text_t *text, int len,
492 int fg, int bg); 568 int fg, int bg);
493 569
494 bool slow; // wether this is a proportional font or has other funny characteristics 570 bool slow; // whether this is a proportional font or has other funny characteristics
495 XFontStruct *f; 571 XFontStruct *f;
496 codeset cs;
497 bool enc2b, encm; 572 bool enc2b, encm;
498 573
499 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 574 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
500 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); 575 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
501 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 576 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
502 bool set_properties (rxvt_fontprop &p, const char *name); 577 bool set_properties (rxvt_fontprop &p, const char *name);
503}; 578};
504 579
505char * 580char *
506rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 581rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
507{ 582{
508 unsigned long value; 583 unsigned long value;
509 584
510 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 585 if (XGetFontProperty (f, property, &value))
511 return XGetAtomName (DISPLAY, value); 586 return XGetAtomName (term->dpy, value);
512 else 587 else
513 return rxvt_strdup (repl); 588 return repl ? strdup (repl) : 0;
514} 589}
515 590
516rxvt_fontprop 591rxvt_fontprop
517rxvt_font_x11::properties () 592rxvt_font_x11::properties ()
518{ 593{
… …
522} 597}
523 598
524bool 599bool
525rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 600rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
526{ 601{
527 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 602 p.width = width != rxvt_fontprop::unset ? width
603 : avgwidth ? (avgwidth + 1) / 10
604 : (height + 1) / 2;
528 p.height = height; 605 p.height = height;
606 p.ascent = rxvt_fontprop::unset;
529 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 607 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
530 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 608 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
531 609
532 return true; 610 return true;
533} 611}
534 612
535bool 613bool
536rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 614rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
537{ 615{
538 unsigned long height; 616 unsigned long height;
617
618#if 0
539 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 619 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
540 return false; 620 return false;
621#else
622 height = f->ascent + f->descent;
623#endif
541 624
542 unsigned long avgwidth; 625 unsigned long avgwidth;
543 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 626 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
544 avgwidth = 0; 627 avgwidth = 0;
545 628
546 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 629 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
547 char *slant = get_property (f, "SLANT", "r"); 630 char *slant = get_property (f, term->xa [XA_SLANT], "r");
548 631
549 set_properties (p, height, weight, slant, avgwidth); 632 set_properties (p, height, weight, slant, avgwidth);
550 633
551 free (weight); 634 free (weight);
552 free (slant); 635 free (slant);
553 636
637 p.ascent = f->ascent;
638
554 return true; 639 return true;
555} 640}
556 641
557bool 642bool
558rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) 643rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
559{ 644{
645 dTermDisplay;
560 int slashes = 0; 646 int slashes = 0;
561 const char *comp[13]; 647 const char *comp[13];
562 648
563 for (const char *c = name; *c; c++) 649 for (const char *c = name; *c; c++)
564 if (*c == '-') 650 if (*c == '-')
… …
572 if (slashes >= 13 658 if (slashes >= 13
573 && (*comp[ 6] >= '1' && *comp[ 6] <= '9') 659 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
574 && (*comp[11] >= '0' && *comp[11] <= '9')) 660 && (*comp[11] >= '0' && *comp[11] <= '9'))
575 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); 661 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
576 662
577 XFontStruct *f = XLoadQueryFont (DISPLAY, name); 663 XFontStruct *f = XLoadQueryFont (disp, name);
578 664
579 if (f) 665 if (f)
580 { 666 {
581 // the font should really exist now. if not, we have a problem 667 // the font should really exist now. if not, we have a problem
582 // (e.g. if the user did xset fp rehash just when we were searching fonts). 668 // (e.g. if the user did xset fp rehash just when we were searching fonts).
583 // in that case, just return garbage. 669 // in that case, just return garbage.
584 bool ret = set_properties (p, f); 670 bool ret = set_properties (p, f);
585 XFreeFont (DISPLAY, f); 671 XFreeFont (disp, f);
586 return ret; 672 return ret;
587 } 673 }
588 else 674 else
589 return false; 675 return false;
590} 676}
591 677
592// fix the size of scalable fonts 678// fix the size of scalable fonts
593static bool 679static bool
594replace_field (char *buf, const char *name, int index, const char old, const char *replace) 680replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
595{ 681{
596 int slashes = 0; 682 int slashes = 0;
597 const char *field, *end; 683 const char *field, *end;
598 684
599 for (const char *c = name; *c; c++) 685 for (const char *c = name; *c; c++)
… …
609 break; 695 break;
610 } 696 }
611 697
612 if (slashes >= 13 && (!old || *field == old)) 698 if (slashes >= 13 && (!old || *field == old))
613 { 699 {
614 // TODO: check for overflow in font-name 700 size_t len = field - name;
615 strncpy (buf, name, field - name); 701 *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
616 buf += field - name; 702 memcpy (*ptr, name, len);
617 strcpy (buf, replace); 703 strcpy (*ptr + len, replace);
618 strcat (buf, end); 704 strcat (*ptr, end);
619 705
620 return true; 706 return true;
621 } 707 }
622 else 708 else
623 { 709 {
624 strcpy (buf, name); 710 *ptr = strdup (name);
625 711
626 return false; 712 return false;
627 } 713 }
628} 714}
629 715
630bool 716bool
631rxvt_font_x11::load (const rxvt_fontprop &prop) 717rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
632{ 718{
719 dTermDisplay;
720
633 clear (); 721 clear ();
634 722
635 char field_str[64]; // enough for 128 bits 723 char field_str[64]; // enough for 128 bits
636 724
637 // first morph the font if required 725 // first morph the font if required
638 if (prop.weight != rxvt_fontprop::unset 726 if (force_prop)
639 || prop.slant != rxvt_fontprop::unset)
640 { 727 {
641 char fname[1024]; 728 char *fname;
642 729
643 if (name[0] != '-') 730 if (name[0] != '-')
644 { 731 {
645 f = XLoadQueryFont (DISPLAY, name); 732 f = XLoadQueryFont (disp, name);
646 733
647 if (!f) 734 if (!f)
648 return false; 735 return false;
649 736
650 char *new_name = get_property (f, "FONT", name); 737 char *new_name = get_property (f, XA_FONT, 0);
651 738
652 if (new_name) 739 if (new_name)
653 set_name (new_name); 740 set_name (new_name);
654 else 741 else
655 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 742 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
656 743
657 XFreeFont (DISPLAY, f); 744 XFreeFont (disp, f);
658 f = 0; 745 f = 0;
659 } 746 }
660 747
661 if (prop.weight != rxvt_fontprop::unset) 748 if (prop.weight != rxvt_fontprop::unset)
662 { 749 {
663 replace_field (fname, name, 2, 0, 750 replace_field (&fname, name, 2, 0,
664 prop.weight < rxvt_fontprop::bold 751 prop.weight < rxvt_fontprop::bold
665 ? "medium" : "bold"); 752 ? "medium" : "bold");
666 set_name (strdup (fname)); 753 set_name (fname);
667 } 754 }
668 755
669 if (prop.slant != rxvt_fontprop::unset) 756 if (prop.slant != rxvt_fontprop::unset)
670 { 757 {
671 replace_field (fname, name, 3, 0, 758 replace_field (&fname, name, 3, 0,
672 prop.slant < rxvt_fontprop::italic 759 prop.slant < rxvt_fontprop::italic
673 ? "r" : "i"); // TODO: handle "o"blique, too 760 ? "r" : "i"); // TODO: handle "o"blique, too
674 set_name (strdup (fname)); 761 set_name (fname);
675 } 762 }
763 }
764
765 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
766 ? 0 : prop.height);
767
768 struct font_weight {
769 char *name;
770 int diff;
771
772 void clear ()
676 } 773 {
774 name = 0;
775 diff = 0x7fffffff;
776 }
777
778 font_weight () { clear (); }
779 ~font_weight () { free (name); }
780 };
677 781
678 char **list; 782 char **list;
679 int count; 783 int count;
680 list = XListFonts (DISPLAY, name, 1024, &count); 784 list = XListFonts (disp, name, 4000, &count);
681 785
682 set_name (0); 786 set_name (0);
683 787
684 if (!list) 788 if (!list)
685 return false; 789 return false;
686 790
687 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 791 font_weight *fonts = new font_weight[count];
688 ? 0 : prop.height);
689 792
690 int bestdiff = 0x7fffffff;
691 for (int i = 0; i < count; i++) 793 for (int i = 0; i < count; i++)
692 { 794 {
693 rxvt_fontprop p; 795 rxvt_fontprop p;
694 char fname[1024]; 796 char *fname;
695 797
696 int diff = 0; 798 int diff = 0;
697 799
698 if (replace_field (fname, list[i], 6, '0', field_str)) 800 if (replace_field (&fname, list[i], 6, '0', field_str))
699 diff += 10; // slightly penalize scalable fonts 801 diff += 10; // slightly penalize scalable fonts
802 else
803 {
804 free (fname);
805 if (replace_field (&fname, list[i], 11, '0', "0"))
806 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
807 }
700 808
701 if (!set_properties (p, fname)) 809 if (!set_properties (p, fname)
810 // also weed out too large fonts
811 || (prop.height != rxvt_fontprop::unset
812 && p.height > prop.height))
813 {
814 free (fname);
702 continue; 815 continue;
703 816 }
704 if (prop.height != rxvt_fontprop::unset
705 && p.height > prop.height) // weed out too large fonts
706 continue;
707 817
708 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 818 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
709 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 819 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
710 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 820 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
711 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 821 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
712 822
713 if (!name // compare against best found so far 823 fonts[i].name = fname;
714 || diff < bestdiff) 824 fonts[i].diff = diff;
715 {
716 set_name (strdup (fname));
717 bestdiff = diff;
718 }
719 } 825 }
720 826
721 XFreeFontNames (list); 827 XFreeFontNames (list);
722 828
723 if (!name) 829 // this loop only iterates when the guessed font-size is too small
724 return false; 830 for (;;)
831 {
832 font_weight *best = fonts;
725 833
726 f = XLoadQueryFont (DISPLAY, name); 834 for (font_weight *w = fonts + 1; w < fonts + count; w++)
835 if (w->diff < best->diff)
836 best = w;
837
838 if (!best->name
839 || !(f = XLoadQueryFont (disp, best->name)))
840 break;
841
842 set_name (best->name);
843 best->clear ();
844
845 ascent = f->ascent;
846 descent = f->descent;
847 height = ascent + descent;
848
849 if (prop.height == rxvt_fontprop::unset
850 || height <= prop.height)
851 break; // font is ready for use
852
853 // PIXEL_SIZE small enough, but real height too large
854 clear ();
855 }
856
857 delete [] fonts;
727 858
728 if (!f) 859 if (!f)
729 return false; 860 return false;
730 861
731 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 862 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
732 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 863 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
864
865 cs = CS_UNKNOWN;
733 866
734 if (registry && encoding) 867 if (registry && encoding)
735 { 868 {
736 char charset[64]; 869 char charset[64];
737 snprintf (charset, 64, "%s-%s", registry, encoding); 870 snprintf (charset, 64, "%s-%s", registry, encoding);
738 871
739 cs = codeset_from_name (charset); 872 cs = codeset_from_name (charset);
740 } 873
741 else 874 if (cs == CS_UNKNOWN)
875 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
742 { 876 }
877
878 free (registry);
879 free (encoding);
880
881 if (cs == CS_UNKNOWN)
882 {
743 const char *charset = get_property (f, "FONT", 0); 883 char *value = get_property (f, XA_FONT, 0);
884 const char *charset = value;
744 885
745 if (!charset) 886 if (!charset)
746 charset = name; 887 charset = name;
747 888
748 int count = 13; 889 int count = 13;
749 while (*charset) 890 while (*charset)
750 if (*charset++ == '-' && !--count) 891 if (*charset++ == '-' && !--count)
751 break; 892 break;
752 893
753 cs = codeset_from_name (charset); 894 cs = codeset_from_name (charset);
895 if (cs == CS_UNKNOWN)
896 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
897
898 free (value);
899 }
900
901 if (cs == CS_UNKNOWN)
754 } 902 {
755 903 clear ();
756 free (registry); 904 return false;
757 free (encoding); 905 }
758 906
759 if (cs == CS_UNICODE) 907 if (cs == CS_UNICODE)
760 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 908 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
761 909
762 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 910 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
763 enc2b = encm || f->max_char_or_byte2 > 255; 911 enc2b = encm || f->max_char_or_byte2 > 255;
764 912
765 ascent = f->ascent;
766 descent = f->descent;
767 height = ascent + descent;
768
769 slow = false; 913 slow = false;
770 914
771#if 1 // only used for slow detection, TODO optimize 915#if 1 // only used for slow detection, TODO optimize
772 if (f->min_bounds.width == f->max_bounds.width) 916 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
773 width = f->min_bounds.width;
774 else if (f->per_char == NULL)
775 width = f->max_bounds.width; 917 width = f->max_bounds.width;
776 else 918 else
777 { 919 {
778 slow = true; 920 slow = true;
779 921
780 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 922 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
781 923
782 if (encm) 924 if (encm)
783 N += (f->max_byte1 - f->min_byte1) 925 N += (f->max_byte1 - f->min_byte1)
784 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); 926 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
785 927
786 while (N) 928 while (N)
787 { 929 {
788 if (f->per_char[N].width > width) 930 if (f->per_char[N].width > width)
789 width = f->per_char[N].width; 931 width = f->per_char[N].width;
790 932
… …
793 } 935 }
794#endif 936#endif
795 937
796 width = 1; 938 width = 1;
797 939
798 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 940 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
799 { 941 {
800 if (cs != CS_UNICODE
801 && *t > 0x100
802 && FROM_UNICODE (cs, *t) == NOCHAR) 942 if (FROM_UNICODE (cs, *t) == NOCHAR)
803 continue; 943 continue;
804 944
805 // ignore characters we wouldn't use anyways 945 // ignore characters we wouldn't use anyways
806 bool careful; 946 bool careful;
807 if (!has_char (*t, &prop, careful)) 947 if (!has_char (*t, &prop, careful))
808 continue; 948 continue;
809 949
810 XChar2b ch = { *t >> 8, *t }; 950 // the casts are needed in C++11 (see 8.5.1)
951 XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t };
811 952
812 XCharStruct g; 953 XCharStruct g;
813 int dir_ret, asc_ret, des_ret; 954 int dir_ret, asc_ret, des_ret;
814 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 955 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
815 956
816 int wcw = wcwidth (*t); if (wcw > 0) g.width = g.width / wcw; 957 int wcw = WCWIDTH (*t);
958 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
817 959
818 if (width < g.width) width = g.width; 960 if (width < g.width) width = g.width;
819 }
820
821 if (cs == CS_UNKNOWN)
822 { 961 }
823 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
824 962
963#if 0 // do it per-character
964 if (prop && width > prop->width)
965 {
825 clear (); 966 clear ();
826 return false; 967 return false;
827 } 968 }
828
829#if 0 // do it per-character
830 if (prop && width > prop->width)
831 {
832 clear ();
833 return false;
834 }
835#endif 969#endif
836 970
837 return true; 971 return true;
838} 972}
839 973
840void 974void
841rxvt_font_x11::clear () 975rxvt_font_x11::clear ()
842{ 976{
843 if (f) 977 if (f)
844 { 978 {
845 XFreeFont (DISPLAY, f); 979 XFreeFont (term->dpy, f);
846 f = 0; 980 f = 0;
847 } 981 }
848} 982}
849 983
850bool 984bool
851rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 985rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
852{ 986{
987 careful = false;
988
853 uint32_t ch = FROM_UNICODE (cs, unicode); 989 uint32_t ch = FROM_UNICODE (cs, unicode);
854 990
855 if (ch == NOCHAR) 991 if (ch == NOCHAR)
856 return false; 992 return false;
857 993
858 /* check wether the character exists in _this_ font. horrible. */ 994 /* check whether the character exists in _this_ font. horrible. */
859 XCharStruct *xcs; 995 XCharStruct *xcs;
860 996
861 if (encm) 997 if (encm)
862 { 998 {
863 unsigned char byte1 = ch >> 8; 999 unsigned char byte1 = ch >> 8;
… …
893 return false; 1029 return false;
894 1030
895 if (!prop || prop->width == rxvt_fontprop::unset) 1031 if (!prop || prop->width == rxvt_fontprop::unset)
896 return true; 1032 return true;
897 1033
898 // check character against base font bounding box 1034 // check whether character overlaps previous/next character
899 int w = xcs->width; 1035 int w = xcs->rbearing - xcs->lbearing;
900 int wcw = wcwidth (unicode); 1036 int wcw = max (WCWIDTH (unicode), 1);
901 if (wcw > 0) w /= wcw;
902 1037
903 careful = w > prop->width; 1038 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
904 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1039
1040 if (careful && !OVERLAP_OK (w, wcw, prop))
905 return false; 1041 return false;
906 1042
907 return true; 1043 return true;
908} 1044}
909 1045
… …
915 // this looks like a mess /. 1051 // this looks like a mess /.
916 // and it is a mess /. 1052 // and it is a mess /.
917 // yet we are trying to be perfect /. 1053 // yet we are trying to be perfect /.
918 // but the result still isn't perfect /. 1054 // but the result still isn't perfect /.
919 1055
1056 dTermDisplay;
1057 dTermGC;
1058
920 bool slow = this->slow 1059 bool slow = this->slow
921 || width != r->TermWin.fwidth 1060 || width != term->fwidth
922 || height != r->TermWin.fheight; 1061 || height != term->fheight
1062 || ascent != f->ascent;
923 1063
924 int base = ascent; // sorry, incorrect: r->TermWin.fbase; 1064 int base = ascent; // sorry, incorrect: term->fbase;
925 1065
926 XGCValues v; 1066 XGCValues v;
927 v.foreground = r->pix_colors[fg]; 1067 v.foreground = term->pix_colors[fg];
928 v.font = f->fid; 1068 v.font = f->fid;
929 1069
930 if (enc2b) 1070 if (enc2b)
931 { 1071 {
932 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 1072 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
933 1073
934 if (bg == Color_bg && !slow) 1074 if (bg == Color_bg && !slow)
935 { 1075 {
936 v.background = r->pix_colors[bg]; 1076 v.background = term->pix_colors[bg];
937 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1077 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
938 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 1078 XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
939 } 1079 }
940 else 1080 else
941 { 1081 {
942 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1082 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
943 1083
944 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1084 XChangeGC (disp, gc, GCForeground | GCFont, &v);
945 1085
946 if (slow) 1086 if (slow)
947 { 1087 {
948 do 1088 do
949 { 1089 {
950 if (xc->byte1 || xc->byte2) 1090 if (xc->byte1 || xc->byte2)
951 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 1091 XDrawString16 (disp, d, gc, x, y + base, xc, 1);
952 1092
953 x += r->TermWin.fwidth; 1093 x += term->fwidth;
954 xc++; len--; 1094 xc++; len--;
955 } 1095 }
956 while (len); 1096 while (len);
957 } 1097 }
958 else 1098 else
959 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); 1099 XDrawString16 (disp, d, gc, x, y + base, xc, len);
960 } 1100 }
961 } 1101 }
962 else 1102 else
963 { 1103 {
964 const char *xc = enc_char (text, len, cs, slow); 1104 const char *xc = enc_char (text, len, cs, slow);
965 1105
966 if (bg == Color_bg && !slow) 1106 if (bg == Color_bg && !slow)
967 { 1107 {
968 v.background = r->pix_colors[bg]; 1108 v.background = term->pix_colors[bg];
969 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1109 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
970 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1110 XDrawImageString (disp, d, gc, x, y + base, xc, len);
971 } 1111 }
972 else 1112 else
973 { 1113 {
974 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1114 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
975 1115
976 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1116 XChangeGC (disp, gc, GCForeground | GCFont, &v);
977 1117
978 if (slow) 1118 if (slow)
979 { 1119 {
980 do 1120 do
981 { 1121 {
982 if (*xc) 1122 if (*xc)
983 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1123 XDrawString (disp, d, gc, x, y + base, xc, 1);
984 1124
985 x += r->TermWin.fwidth; 1125 x += term->fwidth;
986 xc++; len--; 1126 xc++; len--;
987 } 1127 }
988 while (len); 1128 while (len);
989 } 1129 }
990 else 1130 else
991 XDrawString (d.display->display, d, TGC, x, y + base, xc, len); 1131 XDrawString (disp, d, gc, x, y + base, xc, len);
992 } 1132 }
993 } 1133 }
994} 1134}
995 1135
996///////////////////////////////////////////////////////////////////////////// 1136/////////////////////////////////////////////////////////////////////////////
997 1137
998#if XFT 1138#if XFT
999 1139
1000struct rxvt_font_xft : rxvt_font { 1140struct rxvt_font_xft : rxvt_font
1141{
1001 rxvt_font_xft () { f = 0; } 1142 rxvt_font_xft ()
1143 {
1144 f = 0;
1145 }
1002 1146
1003 void clear (); 1147 void clear ();
1004 1148
1005 rxvt_fontprop properties (); 1149 rxvt_fontprop properties ();
1006 1150
1007 bool load (const rxvt_fontprop &prop); 1151 bool load (const rxvt_fontprop &prop, bool force_prop);
1008 1152
1009 void draw (rxvt_drawable &d, int x, int y, 1153 void draw (rxvt_drawable &d, int x, int y,
1010 const text_t *text, int len, 1154 const text_t *text, int len,
1011 int fg, int bg); 1155 int fg, int bg);
1012 1156
1013 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull); 1157 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
1014 1158
1015protected: 1159protected:
1016 XftFont *f; 1160 XftFont *f;
1017}; 1161};
1018 1162
1019void 1163void
1020rxvt_font_xft::clear () 1164rxvt_font_xft::clear ()
1021{ 1165{
1022 if (f) 1166 if (f)
1023 { 1167 {
1024 XftFontClose (DISPLAY, f); 1168 XftFontClose (term->dpy, f);
1025 f = 0; 1169 f = 0;
1026 } 1170 }
1027} 1171}
1028 1172
1029rxvt_fontprop 1173rxvt_fontprop
… …
1033 1177
1034 FT_Face face = XftLockFace (f); 1178 FT_Face face = XftLockFace (f);
1035 1179
1036 p.width = width; 1180 p.width = width;
1037 p.height = height; 1181 p.height = height;
1182 p.ascent = ascent;
1038 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD 1183 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
1039 ? rxvt_fontprop::bold : rxvt_fontprop::medium; 1184 ? rxvt_fontprop::bold : rxvt_fontprop::medium;
1040 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC 1185 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
1041 ? rxvt_fontprop::italic : rxvt_fontprop::roman; 1186 ? rxvt_fontprop::italic : rxvt_fontprop::roman;
1042 1187
… …
1044 1189
1045 return p; 1190 return p;
1046} 1191}
1047 1192
1048bool 1193bool
1049rxvt_font_xft::load (const rxvt_fontprop &prop) 1194rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
1050{ 1195{
1196 dTermDisplay;
1197
1051 clear (); 1198 clear ();
1052 1199
1053 FcPattern *p = FcNameParse ((FcChar8 *) name); 1200 FcPattern *p = FcNameParse ((FcChar8 *) name);
1054 1201
1055 if (!p) 1202 if (!p)
1056 return false; 1203 return false;
1057 1204
1058 FcValue v; 1205 FcValue v;
1059 1206
1060 if (prop.height != rxvt_fontprop::unset 1207 if (prop.height != rxvt_fontprop::unset
1061 || (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1208 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1062 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1209 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1063 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1210 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1064 1211
1065 if (prop.weight != rxvt_fontprop::unset 1212 if (prop.weight != rxvt_fontprop::unset
1066 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1213 && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
1067 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1214 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1068 1215
1069 if (prop.slant != rxvt_fontprop::unset 1216 if (prop.slant != rxvt_fontprop::unset
1070 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1217 && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
1071 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1218 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1072 1219
1073#if 0 // clipping unfortunately destroys our precious double-width-characters 1220#if 0 // clipping unfortunately destroys our precious double-width-characters
1074 // clip width, we can't do better, or can we? 1221 // clip width, we can't do better, or can we?
1075 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1222 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1076 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1223 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1077#endif 1224#endif
1078 1225
1079 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1226 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1080 FcPatternAddBool (p, FC_MINSPACE, 1); 1227 FcPatternAddBool (p, FC_MINSPACE, 1);
1081 1228
1082 // store generated name so iso14755 view gives better results 1229 // store generated name so iso14755 view gives better results
1083 set_name ((char *)FcNameUnparse (p)); 1230 set_name ((char *)FcNameUnparse (p));
1084 1231
1085 XftResult result; 1232 XftResult result;
1086 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1233 FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
1087 1234
1088 FcPatternDestroy (p); 1235 FcPatternDestroy (p);
1089 1236
1090 if (!match) 1237 if (!match)
1091 return false; 1238 return false;
… …
1093 int ftheight = 0; 1240 int ftheight = 0;
1094 bool success = true; 1241 bool success = true;
1095 1242
1096 for (;;) 1243 for (;;)
1097 { 1244 {
1098 f = XftFontOpenPattern (DISPLAY, FcPatternDuplicate (match)); 1245 p = FcPatternDuplicate (match);
1246 f = XftFontOpenPattern (disp, p);
1099 1247
1100 if (!f) 1248 if (!f)
1101 { 1249 {
1250 FcPatternDestroy (p);
1102 success = false; 1251 success = false;
1103 break; 1252 break;
1104 } 1253 }
1105 1254
1106 FT_Face face = XftLockFace (f); 1255 FT_Face face = XftLockFace (f);
… …
1112 1261
1113 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; 1262 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
1114 1263
1115 XftUnlockFace (f); 1264 XftUnlockFace (f);
1116 1265
1117 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1266 int glheight = height;
1267
1268 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1118 { 1269 {
1119 FcChar16 ch = *t; 1270 FcChar16 ch = *t;
1120 1271
1121 if (cs != CS_UNICODE 1272 if (cs != CS_UNICODE
1122 && ch > 0x100 1273 && ch > 0x100
… …
1127 bool careful; 1278 bool careful;
1128 if (!has_char (*t, &prop, careful)) 1279 if (!has_char (*t, &prop, careful))
1129 continue; 1280 continue;
1130 1281
1131 XGlyphInfo g; 1282 XGlyphInfo g;
1132 XftTextExtents16 (DISPLAY, f, &ch, 1, &g); 1283 XftTextExtents16 (disp, f, &ch, 1, &g);
1133 1284
1285 g.width -= g.x;
1286
1134 int wcw = wcwidth (ch); 1287 int wcw = WCWIDTH (ch);
1135 if (wcw > 0) g.width = g.width / wcw; 1288 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1136 1289
1137 if (width < g.width) width = g.width; 1290 if (width < g.width ) width = g.width;
1138 if (height < g.height) height = g.height; 1291 if (height < g.height ) height = g.height;
1292 if (glheight < g.height - g.y) glheight = g.height - g.y;
1293 }
1294
1295 if (!width)
1296 {
1297 rxvt_warn ("unable to calculate font width for '%s', using max_advance_width.\n", name);
1298 width = f->max_advance_width;
1299 break;
1139 } 1300 }
1140 1301
1141 if (prop.height == rxvt_fontprop::unset 1302 if (prop.height == rxvt_fontprop::unset
1142 || height <= prop.height 1303 || (height <= prop.height && glheight <= prop.height)
1143 || height <= 2 1304 || height <= 2
1144 || !scalable) 1305 || !scalable)
1145 break; 1306 break;
1146 1307
1147 if (ftheight) 1308 if (ftheight)
… …
1154 ftheight -= height - prop.height; 1315 ftheight -= height - prop.height;
1155 } 1316 }
1156 else 1317 else
1157 ftheight = prop.height - 1; 1318 ftheight = prop.height - 1;
1158 1319
1159 XftFontClose (DISPLAY, f); 1320 XftFontClose (disp, f);
1160 FcPatternDel (match, FC_PIXEL_SIZE); 1321 FcPatternDel (match, FC_PIXEL_SIZE);
1161 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); 1322 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
1162 } 1323 }
1163 1324
1164 FcPatternDestroy (match); 1325 FcPatternDestroy (match);
1165 1326
1166#if 0 // do it per-character 1327#if 0 // do it per-character
… …
1173 1334
1174 return success; 1335 return success;
1175} 1336}
1176 1337
1177bool 1338bool
1178rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 1339rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1179{ 1340{
1180 careful = false; 1341 careful = false;
1181 1342
1182 if (!XftCharExists (DISPLAY, f, unicode)) 1343 rxvt_compose_expand_static<FcChar32> exp;
1344 FcChar32 *chrs = exp (unicode);
1345 int nchrs = exp.length (chrs);
1346
1347 // we handle the sequence if the first char is available
1348 if (!XftCharExists (term->dpy, f, chrs [0]))
1183 return false; 1349 return false;
1184 1350
1185 if (!prop || prop->width == rxvt_fontprop::unset) 1351 if (!prop || prop->width == rxvt_fontprop::unset)
1186 return true; 1352 return true;
1353
1354 // but we check against the whoile sequence bounding box
1187 1355
1188 // check character against base font bounding box 1356 // check character against base font bounding box
1189 FcChar32 ch = unicode; 1357 FcChar32 ch = unicode;
1190 XGlyphInfo g; 1358 XGlyphInfo g;
1191 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1359 XftTextExtents32 (term->dpy, f, chrs, nchrs, &g);
1192 1360
1193 int w = g.width; 1361 int w = g.width - g.x;
1194 int wcw = wcwidth (unicode); 1362 int wcw = max (WCWIDTH (chrs [0]), 1);
1195 if (wcw > 0) w /= wcw;
1196 1363
1197 careful = w > prop->width; 1364 careful = g.x > 0 || w > prop->width * wcw;
1198 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1365
1366 if (careful && !OVERLAP_OK (w, wcw, prop))
1367 return false;
1368
1369 // this weeds out _totally_ broken fonts, or glyphs
1370 if (!OVERLAP_OK (g.xOff, wcw, prop))
1199 return false; 1371 return false;
1200 1372
1201 return true; 1373 return true;
1202} 1374}
1203 1375
1204void 1376void
1205rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1377rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1206 const text_t *text, int len, 1378 const text_t *text, int len,
1207 int fg, int bg) 1379 int fg, int bg)
1208{ 1380{
1209 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
1210
1211 int base = ascent; // should be fbase, but that is incorrect
1212
1213 XGlyphInfo extents; 1381 XGlyphInfo extents;
1214 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1382 //XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);//D
1215 FcChar32 *ep = enc; 1383 //XftGlyphSpec *ep = enc;//D
1216 int ewidth = 0; 1384 static vector<XftGlyphSpec> enc; enc.resize (0); // static to avoid malloc, still slow
1217 int xoff = 0; 1385
1386 dTermDisplay;
1387 dTermGC;
1388
1389 int w = term->fwidth * len;
1390 int h = term->fheight;
1391
1392 bool buffered = bg >= Color_transparent
1393 && term->option (Opt_buffered);
1394
1395 // cut trailing spaces
1396 while (len && text [len - 1] == ' ')
1397 len--;
1398
1399 int x_ = buffered ? 0 : x;
1400 int y_ = buffered ? 0 : y;
1218 1401
1219 while (len) 1402 while (len)
1220 { 1403 {
1221 int cwidth = r->TermWin.fwidth; 1404 int cwidth = term->fwidth;
1405
1406 rxvt_compose_expand_static<FcChar32> exp;
1222 FcChar32 fc = *text++; len--; 1407 FcChar32 *chrs = exp (*text++); len--;
1223 FT_UInt gl; 1408 int nchrs = exp.length (chrs);
1224 1409
1225 while (len && *text == NOCHAR) 1410 while (len && *text == NOCHAR)
1226 text++, len--, cwidth += r->TermWin.fwidth; 1411 text++, len--, cwidth += term->fwidth;
1227
1228 gl = XftCharIndex (d.display->display, f, fc);
1229 XftGlyphExtents (d.display->display, f, &gl, 1, &extents);
1230 1412
1231 if (extents.xOff != cwidth && ep != enc) 1413 if (chrs [0] != ' ') // skip spaces
1232 {
1233 if (xoff > ewidth) xoff = ewidth;
1234 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1235 x + (ewidth - xoff >> 1),
1236 y + base, enc, ep - enc);
1237 x += ewidth;
1238
1239 ep = enc;
1240 ewidth = 0;
1241 xoff = 0;
1242 } 1414 {
1415 FT_UInt glyphs [rxvt_compose_expand_static<FcChar32>::max_size];
1243 1416
1244 if (fc == ' ' && ep == enc) // skip leading spaces 1417 for (int i = 0; i < nchrs; ++i)
1418 glyphs [i] = XftCharIndex (disp, f, chrs [i]);
1419
1420 XftGlyphExtents (disp, f, glyphs, nchrs, &extents);
1421
1422 XftGlyphSpec ep;
1423
1424 ep.x = x_ + (cwidth - extents.xOff >> 1);
1425 ep.y = y_ + ascent;
1426
1427 if (extents.xOff == 0)
1428 ep.x = x_ + cwidth;
1429
1430 for (int i = 0; i < nchrs; ++i)
1431 {
1432 ep.glyph = glyphs [i];
1433 enc.push_back (ep);
1434 }
1245 { 1435 }
1436
1246 x += cwidth; 1437 x_ += cwidth;
1247 continue; 1438 }
1439
1440 if (buffered)
1441 {
1442 if (!enc.empty ())
1248 } 1443 {
1444 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1249 1445
1446#ifdef HAVE_IMG
1447 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1448
1449 if (term->bg_img
1450 && (bg == Color_transparent || bg == Color_bg
1451 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1452 {
1453 int src_x = x, src_y = y;
1454
1455 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1456 {
1457 src_x += term->window_vt_x;
1458 src_y += term->window_vt_y;
1459 }
1460
1461 if (term->bg_img->w >= src_x + w
1462 && term->bg_img->h >= src_y + h)
1463 {
1464 XCopyArea (disp, term->bg_img->pm, d2, gc,
1465 src_x, src_y, w, h, 0, 0);
1466 }
1467 else
1468 {
1469 XGCValues gcv;
1470
1471 gcv.fill_style = FillTiled;
1472 gcv.tile = term->bg_img->pm;
1473 gcv.ts_x_origin = -src_x;
1474 gcv.ts_y_origin = -src_y;
1475
1476 XChangeGC (disp, gc,
1477 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1478 &gcv);
1479
1480 XFillRectangle (disp, d2, gc, 0, 0, w, h);
1481
1482 gcv.fill_style = FillSolid;
1483 XChangeGC (disp, gc, GCFillStyle, &gcv);
1484 }
1485
1486 if (dst)
1487 {
1488 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1489
1490 // dst can only be set when bg >= 0
1491 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1492 }
1493 }
1494 else
1495#endif
1496 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1497
1498 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, &enc[0], enc.size ());
1499 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1500 }
1250 else 1501 else
1251 { 1502 clear_rect (d, x, y, w, h, bg);
1252 *ep++ = gl;
1253 ewidth += cwidth;
1254 xoff += extents.xOff;
1255 }
1256 }
1257
1258 if (ep != enc)
1259 { 1503 }
1260 if (xoff > ewidth) xoff = ewidth; 1504 else
1261 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1262 x + (ewidth - xoff >> 1),
1263 y + base, enc, ep - enc);
1264 } 1505 {
1506 clear_rect (d, x, y, w, h, bg);
1507 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, &enc[0], enc.size ());
1508 }
1265} 1509}
1510
1266#endif 1511#endif
1267 1512
1268///////////////////////////////////////////////////////////////////////////// 1513/////////////////////////////////////////////////////////////////////////////
1269 1514
1270rxvt_fontset::rxvt_fontset (rxvt_t r) 1515rxvt_fontset::rxvt_fontset (rxvt_term *term)
1271: r (r), fontdesc (0) 1516: fontdesc (0), term (term)
1272{ 1517{
1273 clear (); 1518 clear ();
1274} 1519}
1275 1520
1276rxvt_fontset::~rxvt_fontset () 1521rxvt_fontset::~rxvt_fontset ()
… …
1279} 1524}
1280 1525
1281void 1526void
1282rxvt_fontset::clear () 1527rxvt_fontset::clear ()
1283{ 1528{
1284 prop.width = prop.height = prop.weight = prop.slant 1529 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1285 = rxvt_fontprop::unset; 1530 = rxvt_fontprop::unset;
1531 force_prop = false;
1286 1532
1287 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1533 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1288 FONT_UNREF (*i); 1534 (*i)->unref ();
1289 1535
1290 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1536 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1291 delete *p; 1537 delete *p;
1292 1538
1293 free (fontdesc); fontdesc = 0; 1539 free (fontdesc); fontdesc = 0;
… …
1295 fonts.clear (); 1541 fonts.clear ();
1296 1542
1297 fallback = fallback_fonts; 1543 fallback = fallback_fonts;
1298} 1544}
1299 1545
1546void
1547rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1548{
1549 font->set_term (term);
1550
1551 font->cs = cs;
1552 font->loaded = false;
1553}
1554
1300rxvt_font * 1555rxvt_font *
1301rxvt_fontset::new_font (const char *name, codeset cs) 1556rxvt_fontset::new_font (const char *name, codeset cs)
1302{ 1557{
1303 rxvt_font *f; 1558 rxvt_font *f;
1304 1559
1305 if (!name || !*name) 1560 if (!name || !*name)
1306 { 1561 {
1307 name = ""; 1562 name = "";
1308 f = new rxvt_font_default (this); 1563 f = new rxvt_font_default (this);
1309 } 1564 }
… …
1320 f = new rxvt_font_x11; 1575 f = new rxvt_font_x11;
1321 } 1576 }
1322 else 1577 else
1323 f = new rxvt_font_x11; 1578 f = new rxvt_font_x11;
1324 1579
1325 f->set_term (r);
1326 f->set_name (strdup (name)); 1580 f->set_name (strdup (name));
1327 1581 prepare_font (f, cs);
1328 f->cs = cs;
1329 f->loaded = false;
1330 1582
1331 return f; 1583 return f;
1332} 1584}
1333 1585
1334///////////////////////////////////////////////////////////////////////////// 1586/////////////////////////////////////////////////////////////////////////////
1587
1588void
1589rxvt_fontset::push_font (rxvt_font *font)
1590{
1591 // the fontCount index is reserved for the overflow font, it is only
1592 // necessary when we get fontCount or more fonts, as they cannot be
1593 // represented in the rendition.
1594 if (fonts.size () == fontCount)
1595 {
1596 rxvt_font *f = new rxvt_font_overflow (this);
1597
1598 prepare_font (f, CS_UNICODE);
1599 fonts.push_back (f);
1600 }
1601
1602 fonts.push_back (font);
1603}
1335 1604
1336void 1605void
1337rxvt_fontset::add_fonts (const char *desc) 1606rxvt_fontset::add_fonts (const char *desc)
1338{ 1607{
1339 if (desc) 1608 if (desc)
… …
1341 char buf[512]; 1610 char buf[512];
1342 const char *end; 1611 const char *end;
1343 1612
1344 do 1613 do
1345 { 1614 {
1346 while (*desc <= ' ') desc++; 1615 while (*desc && *desc <= ' ')
1616 desc++;
1347 1617
1348 codeset cs = CS_UNICODE; 1618 codeset cs = CS_UNICODE;
1349 1619
1350 if (*desc == '[') 1620 if (*desc == '[')
1351 { 1621 {
… …
1367 cs = codeset_from_name (spec + sizeof ("codeset=") - 1); 1637 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1368 else 1638 else
1369 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); 1639 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1370 1640
1371 desc++; 1641 desc++;
1372 while (*desc <= ' ') desc++; 1642 while (*desc <= ' ' && *desc) desc++;
1373 } 1643 }
1374 1644
1375 end = strchr (desc, ','); 1645 end = strchr (desc, ',');
1376 if (!end) 1646 if (!end)
1377 end = desc + strlen (desc); 1647 end = desc + strlen (desc);
1378 1648
1379 if (end - desc < 511) 1649 if (end - desc < 511)
1380 { 1650 {
1381 strncpy (buf, desc, end - desc); 1651 memcpy (buf, desc, end - desc);
1382 buf[end - desc] = 0; 1652 buf[end - desc] = 0;
1383 1653
1384 fonts.push_back (new_font (buf, cs)); 1654 push_font (new_font (buf, cs));
1385 } 1655 }
1386 else 1656 else
1387 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1657 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1388 1658
1389 desc = end + 1; 1659 desc = end + 1;
1390 } 1660 }
1391 while (*end); 1661 while (*end);
1392 } 1662 }
… …
1401 if (fonts[i]->loaded) 1671 if (fonts[i]->loaded)
1402 return true; 1672 return true;
1403 1673
1404 fonts[i]->loaded = true; 1674 fonts[i]->loaded = true;
1405 1675
1406 if (!fonts[i]->load (prop)) 1676 if (!fonts[i]->load (prop, force_prop))
1407 { 1677 {
1408 fonts[i]->cs = CS_UNKNOWN; 1678 fonts[i]->cs = CS_UNKNOWN;
1409 return false; 1679 return false;
1410 } 1680 }
1411 1681
… …
1417{ 1687{
1418 clear (); 1688 clear ();
1419 1689
1420 fontdesc = strdup (desc); 1690 fontdesc = strdup (desc);
1421 1691
1422 fonts.push_back (new_font (0, CS_UNICODE)); 1692 push_font (new_font (0, CS_UNICODE));
1423 realize_font (0); 1693 realize_font (0);
1424 1694
1425 add_fonts (desc); 1695 add_fonts (desc);
1426 1696
1427 return true; 1697 return true;
… …
1436 1706
1437 return -1; 1707 return -1;
1438} 1708}
1439 1709
1440int 1710int
1441rxvt_fontset::find_font (unicode_t unicode) 1711rxvt_fontset::find_font_idx (unicode_t unicode)
1442{ 1712{
1443 if (unicode >= 1<<20) 1713 // this limits fmap size. it has to accomodate COMPOSE_HI when UNICODE_3
1714 if (unicode > 0x1fffff)
1444 return 0; 1715 return 0;
1445 1716
1446 unicode_t hi = unicode >> 8; 1717 unicode_t hi = unicode >> 8;
1447 1718
1448 if (hi < fmap.size () 1719 if (hi < fmap.size ())
1449 && fmap[hi] 1720 if (pagemap *pm = fmap[hi])
1450 && (*fmap[hi])[unicode & 0xff] != 0xff) 1721 if ((*pm)[unicode & 0xff] != 0xff)
1451 return (*fmap[hi])[unicode & 0xff]; 1722 return (*pm)[unicode & 0xff];
1452 1723
1453 unsigned int i; 1724 unsigned int i;
1454 1725
1455 for (i = 0; i < fonts.size (); i++) 1726 for (i = 0; i < fonts.size (); i++)
1456 { 1727 {
… …
1461 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1732 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1462 goto next_font; 1733 goto next_font;
1463 1734
1464 if (!realize_font (i)) 1735 if (!realize_font (i))
1465 goto next_font; 1736 goto next_font;
1737
1738 if (prop.ascent != rxvt_fontprop::unset)
1739 max_it (f->ascent, prop.ascent);
1466 } 1740 }
1467 1741
1468 if (f->cs == CS_UNKNOWN) 1742 if (f->cs == CS_UNKNOWN)
1469 goto next_font; 1743 goto next_font;
1470 1744
1471 bool careful; 1745 bool careful;
1472 if (f->has_char (unicode, &prop, careful)) 1746 if (f->has_char (unicode, &prop, careful))
1473 { 1747 {
1474 if (careful) 1748 i = (i << 1) | careful;
1475 i |= 128;
1476 1749
1477 goto found; 1750 goto found;
1478 } 1751 }
1479 1752
1480 next_font: 1753 next_font:
1481 if (i == fonts.size () - 1) 1754 if (i == fonts.size () - 1)
1482 { 1755 {
1756 // compose characters are handled by the default font, unless another font takes over
1757 // we do not go via the fallback list for speed reasons.
1758 if (IS_COMPOSE (unicode))
1759 return 0;
1760
1483 if (fallback->name) 1761 if (fallback->name)
1484 { 1762 {
1485 // search through the fallback list 1763 // search through the fallback list
1486 fonts.push_back (new_font (fallback->name, fallback->cs)); 1764 push_font (new_font (fallback->name, fallback->cs));
1487 fallback++; 1765 fallback++;
1488 } 1766 }
1489 else 1767 else
1490 { 1768 {
1491 // try to find a new font. 1769 // try to find a new font.
… …
1493 // way to configure this and xft is easier to hack in, 1771 // way to configure this and xft is easier to hack in,
1494 // while x11 has more framework in place already. 1772 // while x11 has more framework in place already.
1495 // TODO: this is a real resource hog, xft takes ages(?) 1773 // TODO: this is a real resource hog, xft takes ages(?)
1496#if XFT && USE_SLOW_LOOKUP 1774#if XFT && USE_SLOW_LOOKUP
1497 // grab the first xft font that seems suitable 1775 // grab the first xft font that seems suitable
1776 // TOOD: should go first for cellchar (spacing 110) then mono, then else
1498 FcPattern *p = FcPatternCreate (); 1777 FcPattern *p = FcPatternCreate ();
1499 1778
1500 FcCharSet *s = FcCharSetCreate (); 1779 FcCharSet *s = FcCharSetCreate ();
1501 FcCharSetAddChar (s, unicode); 1780 FcCharSetAddChar (s, unicode);
1502 FcPatternAddCharSet (p, FC_CHARSET, s); 1781 FcPatternAddCharSet (p, FC_CHARSET, s);
… …
1509 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1788 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1510 FcPatternAddBool (p, FC_MINSPACE, 1); 1789 FcPatternAddBool (p, FC_MINSPACE, 1);
1511 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1790 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1512 1791
1513 XftResult result; 1792 XftResult result;
1514 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1793 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1515 1794
1516 FcPatternDestroy (p); 1795 FcPatternDestroy (p);
1517 1796
1518 if (match) 1797 if (match)
1519 { 1798 {
… …
1522 FcPatternDestroy (match); 1801 FcPatternDestroy (match);
1523 1802
1524 if (find_font (font) < 0) 1803 if (find_font (font) < 0)
1525 { 1804 {
1526 char fontname[4096]; 1805 char fontname[4096];
1527 sprintf (fontname, "xft:%-.4090s", font); 1806 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1528 1807
1529 fonts.push_back (new_font (fontname, CS_UNICODE)); 1808 push_font (new_font (fontname, CS_UNICODE));
1530 } 1809 }
1531 1810
1532 free (font); 1811 free (font);
1533 } 1812 }
1534#endif 1813#endif
… …
1546 while (hi >= fmap.size ()) 1825 while (hi >= fmap.size ())
1547 fmap.push_back (0); 1826 fmap.push_back (0);
1548 1827
1549 if (!fmap[hi]) 1828 if (!fmap[hi])
1550 { 1829 {
1551 fmap[hi] = (pagemap *)new pagemap; 1830 fmap[hi] = new pagemap;
1552 memset (fmap[hi], 0xff, sizeof (pagemap)); 1831 memset (fmap[hi], 0xff, sizeof (pagemap));
1553 } 1832 }
1554 1833
1555 (*fmap[hi])[unicode & 0xff] = i; 1834 (*fmap[hi])[unicode & 0xff] = i;
1556 } 1835 }
1557 1836
1558 return i; 1837 return i;
1559} 1838}
1560 1839
1561
1562

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