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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.66 by root, Fri Feb 11 05:51:14 2005 UTC vs.
Revision 1.219 by root, Sat Jul 3 04:35:07 2021 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtfont.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" },
… …
92 100
93#if ENCODING_ZH || ENCODING_ZH_EXT 101#if ENCODING_ZH || ENCODING_ZH_EXT
94# if XFT 102# if XFT
95 { CS_GBK_0, "xft:AR PL KaitiM GB" }, 103 { CS_GBK_0, "xft:AR PL KaitiM GB" },
96 { CS_GBK_0, "xft:AR PL SungtiL GB" }, 104 { CS_GBK_0, "xft:AR PL SungtiL GB" },
97 { CS_GBK_0, "xft::spacing=100:lang=zh" }, 105 { CS_GBK_0, "xft::lang=zh" },
98 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 106 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
99 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 107 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
100 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 108 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
101 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 109 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
102 { CS_GB2312_1980_0, "xft::spacing=100:lang=zh" }, 110 { CS_GB2312_1980_0, "xft::lang=zh" },
103# endif 111# endif
104 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" }, 112 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
105 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, 113 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
106 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, 114 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
107 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, 115 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
… …
120#if ENCODING_KR 128#if ENCODING_KR
121 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 129 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
122 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 130 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
123# if XFT 131# if XFT
124 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, 132 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
125 { CS_KSC5601_1987_0, "xft::spacing=100:lang=ko:antialias=false" }, 133 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
126# endif 134# endif
127#endif 135#endif
128 136
129 // generic font fallback 137 //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
130 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
131 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
132 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
133 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
134#if XFT 138#if XFT
135 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true"}, 139 { CS_UNICODE, "xft:DejaVu Sans Mono:antialias=false:autohint=true" },
136 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 140 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
137 { CS_UNICODE, "xft:Andale Mono:antialias=false" }, 141 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
138 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false" }, 142 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
139 143
140 // FreeMono is usually uglier than x fonts, so try last only. 144 // FreeMono is usually uglier than x fonts, so try after the others
141 { CS_UNICODE, "xft:FreeMono:autohint=true" }, 145 { CS_UNICODE, "xft:FreeMono:autohint=true" },
142#endif 146#endif
143 147
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" },
144 { CS_UNKNOWN, 0 } 152 { CS_UNKNOWN, 0 }
145}; 153};
146 154
147// these characters are used to guess the font height and width 155// these characters are used to guess the font height and width
148// pango uses a similar algorithm and doesn't trust the font either. 156// pango uses a similar algorithm and doesn't trust the font either.
… …
150 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 158 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
151 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 159 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
152 0x304c, 0x672c, // が本 160 0x304c, 0x672c, // が本
153}; 161};
154 162
155#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
156 165
157///////////////////////////////////////////////////////////////////////////// 166/////////////////////////////////////////////////////////////////////////////
158
159#if XFT
160rxvt_drawable::~rxvt_drawable ()
161{
162 if (xftdrawable)
163 XftDrawDestroy (xftdrawable);
164}
165
166rxvt_drawable::operator XftDraw *()
167{
168 if (!xftdrawable)
169 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
170
171 return xftdrawable;
172}
173#endif
174
175/////////////////////////////////////////////////////////////////////////////
176
177static void *enc_buf;
178static uint32_t enc_len;
179
180static inline void *
181get_enc_buf (uint32_t len)
182{
183 if (len > enc_len)
184 {
185 free (enc_buf);
186 enc_buf = malloc (len);
187 enc_len = len;
188 }
189
190 return enc_buf;
191}
192 167
193static const char * 168static const char *
194enc_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)
195{ 170{
196 uint8_t *buf = (uint8_t *)get_enc_buf (len); 171 uint8_t *buf = rxvt_temp_buf<uint8_t> (len);
172 uint8_t *res = buf;
197 173
198 while (len--) 174 while (len--)
199 { 175 {
200 uint32_t c = FROM_UNICODE (cs, *text++); 176 uint32_t c = FROM_UNICODE (cs, *text++);
201 177
… …
206 } 182 }
207 183
208 *buf++ = c; 184 *buf++ = c;
209 } 185 }
210 186
211 return (const char *)enc_buf; 187 return (const char *)res;
212} 188}
213 189
214static const XChar2b * 190static const XChar2b *
215enc_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)
216{ 192{
217 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 193 XChar2b *buf = rxvt_temp_buf<XChar2b> (len);
194 XChar2b *res = buf;
218 195
219 while (len--) 196 while (len--)
220 { 197 {
221 uint32_t c = FROM_UNICODE (cs, *text++); 198 uint32_t c = FROM_UNICODE (cs, *text++);
222 199
… …
229 buf->byte1 = c >> 8; 206 buf->byte1 = c >> 8;
230 buf->byte2 = c; 207 buf->byte2 = c;
231 buf++; 208 buf++;
232 } 209 }
233 210
234 return (XChar2b *)enc_buf; 211 return res;
235} 212}
236 213
237///////////////////////////////////////////////////////////////////////////// 214/////////////////////////////////////////////////////////////////////////////
238 215
216rxvt_font::rxvt_font ()
217: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
218{
219}
220
239void 221void
240rxvt_font::set_name (char *name) 222rxvt_font::set_name (char *name_)
241{ 223{
242 if (this->name == name) 224 if (name == name_)
243 return; 225 return;
244 226
245 if (this->name) free (this->name); // let the compiler optimize 227 if (name) free (name); // let the compiler optimize
246 this->name = name; 228 name = name_;
247} 229}
248 230
249void 231void
250rxvt_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
251{ 233{
252 if (color == Color_bg) 234 dTermDisplay;
253 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);
254 else if (color >= 0) 239 else if (color >= 0)
255 { 240 {
256#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
257 XftDrawRect (d, &r->pix_colors[color].c, x, y, w, h); 256 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
257
258#else 258#else
259 XSetForeground (d.display->display, TGC, r->pix_colors[color]); 259 XSetForeground (disp, gc, term->pix_colors[color]);
260 XFillRectangle (d.display->display, d, TGC, x, y, w, h); 260 XFillRectangle (disp, d, gc, x, y, w, h);
261#endif 261#endif
262 } 262 }
263} 263}
264 264
265#include "table/linedraw.h" 265/////////////////////////////////////////////////////////////////////////////
266 266
267struct rxvt_font_default : rxvt_font { 267struct rxvt_font_default : rxvt_font
268{
268 struct rxvt_fontset *fs; 269 struct rxvt_fontset *fs;
269 270
270 rxvt_font_default (rxvt_fontset *fs) 271 rxvt_font_default (rxvt_fontset *fs)
271 : rxvt_font () 272 : rxvt_font ()
272 { 273 {
… …
276 rxvt_fontprop properties () 277 rxvt_fontprop properties ()
277 { 278 {
278 rxvt_fontprop p; 279 rxvt_fontprop p;
279 280
280 p.width = p.height = 1; 281 p.width = p.height = 1;
282 p.ascent = rxvt_fontprop::unset;
281 p.weight = rxvt_fontprop::medium; 283 p.weight = rxvt_fontprop::medium;
282 p.slant = rxvt_fontprop::roman; 284 p.slant = rxvt_fontprop::roman;
283 285
284 return p; 286 return p;
285 } 287 }
286 288
287 bool load (const rxvt_fontprop &prop) 289 bool load (const rxvt_fontprop &prop, bool force_prop)
288 { 290 {
289 width = 1; height = 1; 291 width = 1; height = 1;
290 ascent = 1; descent = 0; 292 ascent = 1; descent = 0;
291 293
292 set_name (strdup ("built-in support font")); 294 set_name (strdup ("built-in support font"));
293 295
294 return true; 296 return true;
295 } 297 }
296 298
297 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
298 { 300 {
299 careful = false; 301 careful = false;
300 302
301 if (unicode <= 0x001f) 303 if (unicode <= 0x001f)
302 return true; 304 return true;
… …
305 return false; 307 return false;
306 308
307 if (unicode <= 0x009f) 309 if (unicode <= 0x009f)
308 return true; 310 return true;
309 311
312#ifdef BUILTIN_GLYPHS
310 if (unicode >= 0x2500 && unicode <= 0x259f) 313 if (unicode >= 0x2500 && unicode <= 0x259f &&
314 !term->option (Opt_skipBuiltinGlyphs))
311 return true; 315 return true;
316#endif
312 317
313 if (IS_COMPOSE (unicode)) 318 // we do not check for IS_COMPOSE here, as this would
314 return true; 319 // rob other fonts from taking over.
315 320
316 switch (unicode) 321 switch (unicode)
317 { 322 {
318 case ZERO_WIDTH_CHAR: 323 case ZERO_WIDTH_CHAR:
319 case NOCHAR: 324 case NOCHAR:
… …
331void 336void
332rxvt_font_default::draw (rxvt_drawable &d, int x, int y, 337rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
333 const text_t *text, int len, 338 const text_t *text, int len,
334 int fg, int bg) 339 int fg, int bg)
335{ 340{
336 Display *disp = d.display->display; 341 dTermDisplay;
342 dTermGC;
337 343
338 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);
339 345
340 XSetForeground (disp, TGC, r->pix_colors[fg]); 346 XSetForeground (disp, gc, term->pix_colors[fg]);
341 347
342 while (len) 348 while (len)
343 { 349 {
350 const text_t *tp = text;
351 text_t t = *tp;
352
353 while (++text, --len && *text == NOCHAR)
354 ;
355
344#if ENABLE_COMBINING 356#if ENABLE_COMBINING
345 compose_char *cc; 357 compose_char *cc;
346#endif 358#endif
347 const text_t *tp = text;
348 text_t t = *tp;
349
350 while (++text, --len && *text == NOCHAR)
351 ;
352
353 int width = text - tp; 359 int width = text - tp;
354 int fwidth = r->TermWin.fwidth * width; 360 int fwidth = term->fwidth * width;
355 361
362#ifdef BUILTIN_GLYPHS
356 if (0x2500 <= t && t <= 0x259f) 363 if (0x2500 <= t && t <= 0x259f)
357 { 364 {
365# include "table/linedraw.h"
358 uint16_t offs = linedraw_offs[t - 0x2500]; 366 uint16_t offs = linedraw_offs[t - 0x2500];
359 uint32_t *a = linedraw_command + (offs >> 4); 367 uint32_t *a = linedraw_command + (offs >> 4);
360 uint32_t *b = a + (offs & 15); 368 uint32_t *b = a + (offs & 15);
361 369
362 int W = fwidth; 370 int W = fwidth;
363 int H = r->TermWin.fheight; 371 int H = term->fheight;
364 372
365 int x_[16]; 373 int x_[16];
366 int y_[16]; 374 int y_[16];
367 375
368 for (int i = 0; i <= 8; i++) 376 for (int i = 0; i <= 8; i++)
… …
376 384
377 XGCValues gcv; 385 XGCValues gcv;
378 386
379 gcv.cap_style = CapButt; 387 gcv.cap_style = CapButt;
380 gcv.line_width = 0; 388 gcv.line_width = 0;
381 XChangeGC (disp, TGC, GCLineWidth | GCCapStyle, &gcv); 389 XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
382 390
383 while (a < b) 391 while (a < b)
384 { 392 {
385 uint32_t command = *a++; 393 uint32_t command = *a++;
386 394
… …
393 int y2 = y_[(command >> 0) & 15]; 401 int y2 = y_[(command >> 0) & 15];
394 402
395 switch (op) 403 switch (op)
396 { 404 {
397 case 0: // line 405 case 0: // line
398 XDrawLine (disp, d, TGC, x1, y1, x2, y2); 406 XDrawLine (disp, d, gc, x1, y1, x2, y2);
399 break; 407 break;
400 408
401 case 1: // rectangle, possibly stippled 409 case 1: // rectangle, possibly stippled
402 if (a) 410 if (a)
403 { 411 {
404 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 412 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
405 413
406 gcv.fill_style = FillStippled; 414 gcv.fill_style = FillStippled;
407 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2); 415 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
408 gcv.ts_x_origin = x; 416 gcv.ts_x_origin = x;
409 gcv.ts_y_origin = y; 417 gcv.ts_y_origin = y;
410 418
411 XChangeGC (disp, TGC, 419 XChangeGC (disp, gc,
412 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 420 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
413 &gcv); 421 &gcv);
414 } 422 }
415 423
416 XFillRectangle (disp, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); 424 XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
417 425
418 if (a) 426 if (a)
419 { 427 {
420 XFreePixmap (disp, gcv.stipple); 428 XFreePixmap (disp, gcv.stipple);
421 gcv.stipple = 0; 429 gcv.stipple = 0;
422 gcv.fill_style = FillSolid; 430 gcv.fill_style = FillSolid;
423 XChangeGC (disp, TGC, GCFillStyle, &gcv); 431 XChangeGC (disp, gc, GCFillStyle, &gcv);
424 } 432 }
425 break; 433 break;
426 case 2: // arc 434 case 2: // arc
427 XDrawArc (disp, d, TGC, 435 XDrawArc (disp, d, gc,
428 x1 - W/2, y1 - H/2, W-1, H-1, 436 x1 - W/2, y1 - H/2, W-1, H-1,
429 (a - 1) * 90*64, (b - 1) * 90*64); 437 (a - 1) * 90*64, (b - 1) * 90*64);
430 break; 438 break;
431 } 439 }
432 } 440 }
433 } 441 }
442#else
443 if (0)
444 ;
445#endif
434#if ENABLE_COMBINING 446#if ENABLE_COMBINING
435 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 447 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
436 { 448 {
449 min_it (width, 2); // we only support wcwidth up to 2
437 text_t chrs[2]; 450 text_t chrs[2];
438 width = min (2, width);
439 chrs [1] = NOCHAR; 451 chrs [1] = NOCHAR;
440 452
441 *chrs = cc->c1; 453 *chrs = cc->c1;
442 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 454 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
443 f1->draw (d, x, y, chrs, width, fg, bg); 455 f1->draw (d, x, y, chrs, width, fg, bg);
444 456
445 if (cc->c2 != NOCHAR) 457 if (cc->c2 != NOCHAR)
446 { 458 {
447 bool careful; 459 bool careful;
448 460
449 // prefer font of first character, for no good reasons 461 // prefer font of first character, for no good reasons
450 *chrs = cc->c2; 462 *chrs = cc->c2;
451 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) 463 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
452 ? f1 464 ? f1
453 : (*fs)[fs->find_font (cc->c2)]; 465 : (*fs)[fs->find_font_idx (cc->c2)];
454 466
455 f2->draw (d, x, y, chrs, width, fg, -1); 467 f2->draw (d, x, y, chrs, width, fg, Color_none);
456 } 468 }
457 } 469 }
458#endif 470#endif
459 else 471 else
460 switch (t) 472 switch (t)
… …
462 case '\t': 474 case '\t':
463 case ZERO_WIDTH_CHAR: 475 case ZERO_WIDTH_CHAR:
464 case NOCHAR: 476 case NOCHAR:
465 break; 477 break;
466 478
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
467 default: 488 default:
468 XDrawRectangle (disp, d, TGC, x + 2, y + 2, 489 XDrawRectangle (disp, d, gc, x + 2, y + 2,
469 fwidth - 4, r->TermWin.fheight - 4); 490 fwidth - 4, term->fheight - 4);
470 } 491 }
471 492
472 x += fwidth; 493 x += fwidth;
473 } 494 }
474} 495}
475 496
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;
548 }
549 }
550};
551
476///////////////////////////////////////////////////////////////////////////// 552/////////////////////////////////////////////////////////////////////////////
477 553
478struct rxvt_font_x11 : rxvt_font { 554struct rxvt_font_x11 : rxvt_font
555{
479 rxvt_font_x11 () { f = 0; } 556 rxvt_font_x11 () { f = 0; }
480 557
481 void clear (); 558 void clear ();
482 559
483 rxvt_fontprop properties (); 560 rxvt_fontprop properties ();
484 561
485 bool load (const rxvt_fontprop &prop); 562 bool load (const rxvt_fontprop &prop, bool force_prop);
486 563
487 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;
488 565
489 void draw (rxvt_drawable &d, int x, int y, 566 void draw (rxvt_drawable &d, int x, int y,
490 const text_t *text, int len, 567 const text_t *text, int len,
491 int fg, int bg); 568 int fg, int bg);
492 569
493 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
494 XFontStruct *f; 571 XFontStruct *f;
495 codeset cs;
496 bool enc2b, encm; 572 bool enc2b, encm;
497 573
498 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 574 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
499 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);
500 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 576 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
501 bool set_properties (rxvt_fontprop &p, const char *name); 577 bool set_properties (rxvt_fontprop &p, const char *name);
502}; 578};
503 579
504char * 580char *
505rxvt_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
506{ 582{
507 unsigned long value; 583 unsigned long value;
508 584
509 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 585 if (XGetFontProperty (f, property, &value))
510 return XGetAtomName (DISPLAY, value); 586 return XGetAtomName (term->dpy, value);
511 else 587 else
512 return rxvt_strdup (repl); 588 return repl ? strdup (repl) : 0;
513} 589}
514 590
515rxvt_fontprop 591rxvt_fontprop
516rxvt_font_x11::properties () 592rxvt_font_x11::properties ()
517{ 593{
… …
521} 597}
522 598
523bool 599bool
524rxvt_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)
525{ 601{
526 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;
527 p.height = height; 605 p.height = height;
606 p.ascent = rxvt_fontprop::unset;
528 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;
529 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;
530 609
531 return true; 610 return true;
532} 611}
… …
535rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 614rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
536{ 615{
537 unsigned long height; 616 unsigned long height;
538 617
539#if 0 618#if 0
540 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 619 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
541 return false; 620 return false;
542#else 621#else
543 height = f->ascent + f->descent; 622 height = f->ascent + f->descent;
544#endif 623#endif
545 624
546 unsigned long avgwidth; 625 unsigned long avgwidth;
547 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 626 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
548 avgwidth = 0; 627 avgwidth = 0;
549 628
550 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 629 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
551 char *slant = get_property (f, "SLANT", "r"); 630 char *slant = get_property (f, term->xa [XA_SLANT], "r");
552 631
553 set_properties (p, height, weight, slant, avgwidth); 632 set_properties (p, height, weight, slant, avgwidth);
554 633
555 free (weight); 634 free (weight);
556 free (slant); 635 free (slant);
557 636
637 p.ascent = f->ascent;
638
558 return true; 639 return true;
559} 640}
560 641
561bool 642bool
562rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) 643rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
563{ 644{
645 dTermDisplay;
564 int slashes = 0; 646 int slashes = 0;
565 const char *comp[13]; 647 const char *comp[13];
566 648
567 for (const char *c = name; *c; c++) 649 for (const char *c = name; *c; c++)
568 if (*c == '-') 650 if (*c == '-')
… …
576 if (slashes >= 13 658 if (slashes >= 13
577 && (*comp[ 6] >= '1' && *comp[ 6] <= '9') 659 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
578 && (*comp[11] >= '0' && *comp[11] <= '9')) 660 && (*comp[11] >= '0' && *comp[11] <= '9'))
579 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]));
580 662
581 XFontStruct *f = XLoadQueryFont (DISPLAY, name); 663 XFontStruct *f = XLoadQueryFont (disp, name);
582 664
583 if (f) 665 if (f)
584 { 666 {
585 // 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
586 // (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).
587 // in that case, just return garbage. 669 // in that case, just return garbage.
588 bool ret = set_properties (p, f); 670 bool ret = set_properties (p, f);
589 XFreeFont (DISPLAY, f); 671 XFreeFont (disp, f);
590 return ret; 672 return ret;
591 } 673 }
592 else 674 else
593 return false; 675 return false;
594} 676}
595 677
596// fix the size of scalable fonts 678// fix the size of scalable fonts
597static bool 679static bool
598replace_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)
599{ 681{
600 int slashes = 0; 682 int slashes = 0;
601 const char *field, *end; 683 const char *field, *end;
602 684
603 for (const char *c = name; *c; c++) 685 for (const char *c = name; *c; c++)
… …
613 break; 695 break;
614 } 696 }
615 697
616 if (slashes >= 13 && (!old || *field == old)) 698 if (slashes >= 13 && (!old || *field == old))
617 { 699 {
618 // TODO: check for overflow in font-name 700 size_t len = field - name;
619 strncpy (buf, name, field - name); 701 *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
620 buf += field - name; 702 memcpy (*ptr, name, len);
621 strcpy (buf, replace); 703 strcpy (*ptr + len, replace);
622 strcat (buf, end); 704 strcat (*ptr, end);
623 705
624 return true; 706 return true;
625 } 707 }
626 else 708 else
627 { 709 {
628 strcpy (buf, name); 710 *ptr = strdup (name);
629 711
630 return false; 712 return false;
631 } 713 }
632} 714}
633 715
634bool 716bool
635rxvt_font_x11::load (const rxvt_fontprop &prop) 717rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
636{ 718{
637 Display *disp = DISPLAY; 719 dTermDisplay;
638 720
639 clear (); 721 clear ();
640 722
641 char field_str[64]; // enough for 128 bits 723 char field_str[64]; // enough for 128 bits
642 724
643 // first morph the font if required 725 // first morph the font if required
644 if (prop.weight != rxvt_fontprop::unset 726 if (force_prop)
645 || prop.slant != rxvt_fontprop::unset)
646 { 727 {
647 char fname[1024]; 728 char *fname;
648 729
649 if (name[0] != '-') 730 if (name[0] != '-')
650 { 731 {
651 f = XLoadQueryFont (disp, name); 732 f = XLoadQueryFont (disp, name);
652 733
653 if (!f) 734 if (!f)
654 return false; 735 return false;
655 736
656 char *new_name = get_property (f, "FONT", name); 737 char *new_name = get_property (f, XA_FONT, 0);
657 738
658 if (new_name) 739 if (new_name)
659 set_name (new_name); 740 set_name (new_name);
660 else 741 else
661 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 742 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
662 743
663 XFreeFont (disp, f); 744 XFreeFont (disp, f);
664 f = 0; 745 f = 0;
665 } 746 }
666 747
667 if (prop.weight != rxvt_fontprop::unset) 748 if (prop.weight != rxvt_fontprop::unset)
668 { 749 {
669 replace_field (fname, name, 2, 0, 750 replace_field (&fname, name, 2, 0,
670 prop.weight < rxvt_fontprop::bold 751 prop.weight < rxvt_fontprop::bold
671 ? "medium" : "bold"); 752 ? "medium" : "bold");
672 set_name (strdup (fname)); 753 set_name (fname);
673 } 754 }
674 755
675 if (prop.slant != rxvt_fontprop::unset) 756 if (prop.slant != rxvt_fontprop::unset)
676 { 757 {
677 replace_field (fname, name, 3, 0, 758 replace_field (&fname, name, 3, 0,
678 prop.slant < rxvt_fontprop::italic 759 prop.slant < rxvt_fontprop::italic
679 ? "r" : "i"); // TODO: handle "o"blique, too 760 ? "r" : "i"); // TODO: handle "o"blique, too
680 set_name (strdup (fname)); 761 set_name (fname);
681 } 762 }
682 } 763 }
683 764
684 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 765 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
685 ? 0 : prop.height); 766 ? 0 : prop.height);
… …
710 font_weight *fonts = new font_weight[count]; 791 font_weight *fonts = new font_weight[count];
711 792
712 for (int i = 0; i < count; i++) 793 for (int i = 0; i < count; i++)
713 { 794 {
714 rxvt_fontprop p; 795 rxvt_fontprop p;
715 char fname[1024]; 796 char *fname;
716 797
717 int diff = 0; 798 int diff = 0;
718 799
719 if (replace_field (fname, list[i], 6, '0', field_str)) 800 if (replace_field (&fname, list[i], 6, '0', field_str))
720 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 }
721 808
722 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);
723 continue; 815 continue;
724 816 }
725 if (prop.height != rxvt_fontprop::unset
726 && p.height > prop.height) // weed out too large fonts
727 continue;
728 817
729 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;
730 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);
731 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);
732 //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);
733 822
734 fonts[i].name = strdup (fname); 823 fonts[i].name = fname;
735 fonts[i].diff = diff; 824 fonts[i].diff = diff;
736 } 825 }
737 826
738 XFreeFontNames (list); 827 XFreeFontNames (list);
739 828
740 // this loop only iterates when the guessed font-size is too small 829 // this loop only iterates when the guessed font-size is too small
741 for (;;) 830 for (;;)
742 { 831 {
743 font_weight *best = fonts + count - 1; 832 font_weight *best = fonts;
744 833
745 for (font_weight *w = best; w-- > fonts; ) 834 for (font_weight *w = fonts + 1; w < fonts + count; w++)
746 if (w->diff < best->diff) 835 if (w->diff < best->diff)
747 best = w; 836 best = w;
748 837
749 if (!best->name 838 if (!best->name
750 || !(f = XLoadQueryFont (disp, best->name))) 839 || !(f = XLoadQueryFont (disp, best->name)))
… …
768 delete [] fonts; 857 delete [] fonts;
769 858
770 if (!f) 859 if (!f)
771 return false; 860 return false;
772 861
773 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 862 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
774 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;
775 866
776 if (registry && encoding) 867 if (registry && encoding)
777 { 868 {
778 char charset[64]; 869 char charset[64];
779 snprintf (charset, 64, "%s-%s", registry, encoding); 870 snprintf (charset, 64, "%s-%s", registry, encoding);
780 871
781 cs = codeset_from_name (charset); 872 cs = codeset_from_name (charset);
782 } 873
783 else 874 if (cs == CS_UNKNOWN)
875 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
784 { 876 }
877
878 free (registry);
879 free (encoding);
880
881 if (cs == CS_UNKNOWN)
882 {
785 const char *charset = get_property (f, "FONT", 0); 883 char *value = get_property (f, XA_FONT, 0);
884 const char *charset = value;
786 885
787 if (!charset) 886 if (!charset)
788 charset = name; 887 charset = name;
789 888
790 int count = 13; 889 int count = 13;
791 while (*charset) 890 while (*charset)
792 if (*charset++ == '-' && !--count) 891 if (*charset++ == '-' && !--count)
793 break; 892 break;
794 893
795 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)
796 } 902 {
797 903 clear ();
798 free (registry); 904 return false;
799 free (encoding); 905 }
800 906
801 if (cs == CS_UNICODE) 907 if (cs == CS_UNICODE)
802 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
803 909
804 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 910 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
805 enc2b = encm || f->max_char_or_byte2 > 255; 911 enc2b = encm || f->max_char_or_byte2 > 255;
806 912
807 slow = false; 913 slow = false;
808 914
809#if 1 // only used for slow detection, TODO optimize 915#if 1 // only used for slow detection, TODO optimize
810 if (f->min_bounds.width == f->max_bounds.width) 916 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
811 width = f->min_bounds.width;
812 else if (f->per_char == NULL)
813 width = f->max_bounds.width; 917 width = f->max_bounds.width;
814 else 918 else
815 { 919 {
816 slow = true; 920 slow = true;
817 921
818 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;
819 923
820 if (encm) 924 if (encm)
821 N += (f->max_byte1 - f->min_byte1) 925 N += (f->max_byte1 - f->min_byte1)
822 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); 926 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
823 927
824 while (N) 928 while (N)
825 { 929 {
826 if (f->per_char[N].width > width) 930 if (f->per_char[N].width > width)
827 width = f->per_char[N].width; 931 width = f->per_char[N].width;
828 932
… …
831 } 935 }
832#endif 936#endif
833 937
834 width = 1; 938 width = 1;
835 939
836 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++)
837 { 941 {
838 if (cs != CS_UNICODE
839 && *t > 0x100
840 && FROM_UNICODE (cs, *t) == NOCHAR) 942 if (FROM_UNICODE (cs, *t) == NOCHAR)
841 continue; 943 continue;
842 944
843 // ignore characters we wouldn't use anyways 945 // ignore characters we wouldn't use anyways
844 bool careful; 946 bool careful;
845 if (!has_char (*t, &prop, careful)) 947 if (!has_char (*t, &prop, careful))
846 continue; 948 continue;
847 949
848 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 };
849 952
850 XCharStruct g; 953 XCharStruct g;
851 int dir_ret, asc_ret, des_ret; 954 int dir_ret, asc_ret, des_ret;
852 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 955 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
853 956
854 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;
855 959
856 if (width < g.width) width = g.width; 960 if (width < g.width) width = g.width;
857 }
858
859 if (cs == CS_UNKNOWN)
860 { 961 }
861 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
862 962
963#if 0 // do it per-character
964 if (prop && width > prop->width)
965 {
863 clear (); 966 clear ();
864 return false; 967 return false;
865 } 968 }
866
867#if 0 // do it per-character
868 if (prop && width > prop->width)
869 {
870 clear ();
871 return false;
872 }
873#endif 969#endif
874 970
875 return true; 971 return true;
876} 972}
877 973
878void 974void
879rxvt_font_x11::clear () 975rxvt_font_x11::clear ()
880{ 976{
881 if (f) 977 if (f)
882 { 978 {
883 XFreeFont (DISPLAY, f); 979 XFreeFont (term->dpy, f);
884 f = 0; 980 f = 0;
885 } 981 }
886} 982}
887 983
888bool 984bool
889rxvt_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
890{ 986{
987 careful = false;
988
891 uint32_t ch = FROM_UNICODE (cs, unicode); 989 uint32_t ch = FROM_UNICODE (cs, unicode);
892 990
893 if (ch == NOCHAR) 991 if (ch == NOCHAR)
894 return false; 992 return false;
895 993
896 /* check wether the character exists in _this_ font. horrible. */ 994 /* check whether the character exists in _this_ font. horrible. */
897 XCharStruct *xcs; 995 XCharStruct *xcs;
898 996
899 if (encm) 997 if (encm)
900 { 998 {
901 unsigned char byte1 = ch >> 8; 999 unsigned char byte1 = ch >> 8;
… …
931 return false; 1029 return false;
932 1030
933 if (!prop || prop->width == rxvt_fontprop::unset) 1031 if (!prop || prop->width == rxvt_fontprop::unset)
934 return true; 1032 return true;
935 1033
936 // check character against base font bounding box 1034 // check whether character overlaps previous/next character
937 int w = xcs->width; 1035 int w = xcs->rbearing - xcs->lbearing;
938 int wcw = wcwidth (unicode); 1036 int wcw = max (WCWIDTH (unicode), 1);
939 if (wcw > 0) w /= wcw;
940 1037
941 careful = w > prop->width; 1038 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
942 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1039
1040 if (careful && !OVERLAP_OK (w, wcw, prop))
943 return false; 1041 return false;
944 1042
945 return true; 1043 return true;
946} 1044}
947 1045
… …
953 // this looks like a mess /. 1051 // this looks like a mess /.
954 // and it is a mess /. 1052 // and it is a mess /.
955 // yet we are trying to be perfect /. 1053 // yet we are trying to be perfect /.
956 // but the result still isn't perfect /. 1054 // but the result still isn't perfect /.
957 1055
1056 dTermDisplay;
1057 dTermGC;
1058
958 bool slow = this->slow 1059 bool slow = this->slow
959 || width != r->TermWin.fwidth 1060 || width != term->fwidth
960 || height != r->TermWin.fheight; 1061 || height != term->fheight
1062 || ascent != f->ascent;
961 1063
962 int base = ascent; // sorry, incorrect: r->TermWin.fbase; 1064 int base = ascent; // sorry, incorrect: term->fbase;
963 1065
964 XGCValues v; 1066 XGCValues v;
965 v.foreground = r->pix_colors[fg]; 1067 v.foreground = term->pix_colors[fg];
966 v.font = f->fid; 1068 v.font = f->fid;
967 1069
968 if (enc2b) 1070 if (enc2b)
969 { 1071 {
970 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 1072 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
971 1073
972 if (bg == Color_bg && !slow) 1074 if (bg == Color_bg && !slow)
973 { 1075 {
974 v.background = r->pix_colors[bg]; 1076 v.background = term->pix_colors[bg];
975 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1077 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
976 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 1078 XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
977 } 1079 }
978 else 1080 else
979 { 1081 {
980 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);
981 1083
982 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1084 XChangeGC (disp, gc, GCForeground | GCFont, &v);
983 1085
984 if (slow) 1086 if (slow)
985 { 1087 {
986 do 1088 do
987 { 1089 {
988 if (xc->byte1 || xc->byte2) 1090 if (xc->byte1 || xc->byte2)
989 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 1091 XDrawString16 (disp, d, gc, x, y + base, xc, 1);
990 1092
991 x += r->TermWin.fwidth; 1093 x += term->fwidth;
992 xc++; len--; 1094 xc++; len--;
993 } 1095 }
994 while (len); 1096 while (len);
995 } 1097 }
996 else 1098 else
997 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); 1099 XDrawString16 (disp, d, gc, x, y + base, xc, len);
998 } 1100 }
999 } 1101 }
1000 else 1102 else
1001 { 1103 {
1002 const char *xc = enc_char (text, len, cs, slow); 1104 const char *xc = enc_char (text, len, cs, slow);
1003 1105
1004 if (bg == Color_bg && !slow) 1106 if (bg == Color_bg && !slow)
1005 { 1107 {
1006 v.background = r->pix_colors[bg]; 1108 v.background = term->pix_colors[bg];
1007 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1109 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
1008 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1110 XDrawImageString (disp, d, gc, x, y + base, xc, len);
1009 } 1111 }
1010 else 1112 else
1011 { 1113 {
1012 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);
1013 1115
1014 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1116 XChangeGC (disp, gc, GCForeground | GCFont, &v);
1015 1117
1016 if (slow) 1118 if (slow)
1017 { 1119 {
1018 do 1120 do
1019 { 1121 {
1020 if (*xc) 1122 if (*xc)
1021 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1123 XDrawString (disp, d, gc, x, y + base, xc, 1);
1022 1124
1023 x += r->TermWin.fwidth; 1125 x += term->fwidth;
1024 xc++; len--; 1126 xc++; len--;
1025 } 1127 }
1026 while (len); 1128 while (len);
1027 } 1129 }
1028 else 1130 else
1029 XDrawString (d.display->display, d, TGC, x, y + base, xc, len); 1131 XDrawString (disp, d, gc, x, y + base, xc, len);
1030 } 1132 }
1031 } 1133 }
1032} 1134}
1033 1135
1034///////////////////////////////////////////////////////////////////////////// 1136/////////////////////////////////////////////////////////////////////////////
1035 1137
1036#if XFT 1138#if XFT
1037 1139
1038struct rxvt_font_xft : rxvt_font { 1140struct rxvt_font_xft : rxvt_font
1141{
1142#if XFT_CHAR_CACHE
1143 // we cache the qascii range xoffsets in the name of speed,
1144 // expecting terminals to deal mostly with these characters
1145 // we also assume the xoff always fits into uint8_t,
1146 // which is questionable, but let's see...
1147 // also, it is uncomfortably big, due to the uints.
1148 enum { char_cache_min = 0x20, char_cache_max = 0x7e };
1149 uint8_t xoff_cache [char_cache_max - char_cache_min + 1];
1150 FT_UInt glyph_cache [char_cache_max - char_cache_min + 1];
1151#endif
1152
1039 rxvt_font_xft () { f = 0; } 1153 rxvt_font_xft ()
1154 {
1155 f = 0;
1156 }
1040 1157
1041 void clear (); 1158 void clear ();
1042 1159
1043 rxvt_fontprop properties (); 1160 rxvt_fontprop properties ();
1044 1161
1045 bool load (const rxvt_fontprop &prop); 1162 bool load (const rxvt_fontprop &prop, bool force_prop);
1046 1163
1047 void draw (rxvt_drawable &d, int x, int y, 1164 void draw (rxvt_drawable &d, int x, int y,
1048 const text_t *text, int len, 1165 const text_t *text, int len,
1049 int fg, int bg); 1166 int fg, int bg);
1050 1167
1051 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull); 1168 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
1052 1169
1053protected: 1170protected:
1054 XftFont *f; 1171 XftFont *f;
1055}; 1172};
1056 1173
1057void 1174void
1058rxvt_font_xft::clear () 1175rxvt_font_xft::clear ()
1059{ 1176{
1060 if (f) 1177 if (f)
1061 { 1178 {
1062 XftFontClose (DISPLAY, f); 1179 XftFontClose (term->dpy, f);
1063 f = 0; 1180 f = 0;
1064 } 1181 }
1065} 1182}
1066 1183
1067rxvt_fontprop 1184rxvt_fontprop
… …
1071 1188
1072 FT_Face face = XftLockFace (f); 1189 FT_Face face = XftLockFace (f);
1073 1190
1074 p.width = width; 1191 p.width = width;
1075 p.height = height; 1192 p.height = height;
1193 p.ascent = ascent;
1076 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD 1194 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
1077 ? rxvt_fontprop::bold : rxvt_fontprop::medium; 1195 ? rxvt_fontprop::bold : rxvt_fontprop::medium;
1078 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC 1196 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
1079 ? rxvt_fontprop::italic : rxvt_fontprop::roman; 1197 ? rxvt_fontprop::italic : rxvt_fontprop::roman;
1080 1198
… …
1082 1200
1083 return p; 1201 return p;
1084} 1202}
1085 1203
1086bool 1204bool
1087rxvt_font_xft::load (const rxvt_fontprop &prop) 1205rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
1088{ 1206{
1089 Display *disp = DISPLAY; 1207 dTermDisplay;
1090 1208
1091 clear (); 1209 clear ();
1092 1210
1093 FcPattern *p = FcNameParse ((FcChar8 *) name); 1211 FcPattern *p = FcNameParse ((FcChar8 *) name);
1094 1212
… …
1096 return false; 1214 return false;
1097 1215
1098 FcValue v; 1216 FcValue v;
1099 1217
1100 if (prop.height != rxvt_fontprop::unset 1218 if (prop.height != rxvt_fontprop::unset
1101 || (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1219 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1102 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1220 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1103 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1221 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1104 1222
1105 if (prop.weight != rxvt_fontprop::unset 1223 if (prop.weight != rxvt_fontprop::unset
1106 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1224 && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
1107 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1225 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1108 1226
1109 if (prop.slant != rxvt_fontprop::unset 1227 if (prop.slant != rxvt_fontprop::unset
1110 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1228 && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
1111 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1229 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1112 1230
1113#if 0 // clipping unfortunately destroys our precious double-width-characters 1231#if 0 // clipping unfortunately destroys our precious double-width-characters
1114 // clip width, we can't do better, or can we? 1232 // clip width, we can't do better, or can we?
1115 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1233 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1116 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1234 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1117#endif 1235#endif
1118 1236
1119 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1237 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1120 FcPatternAddBool (p, FC_MINSPACE, 1); 1238 FcPatternAddBool (p, FC_MINSPACE, 1);
1121 1239
1122 // store generated name so iso14755 view gives better results 1240 // store generated name so iso14755 view gives better results
1123 set_name ((char *)FcNameUnparse (p)); 1241 set_name ((char *)FcNameUnparse (p));
1124 1242
1125 XftResult result; 1243 XftResult result;
1126 FcPattern *match = XftFontMatch (disp, r->display->screen, p, &result); 1244 FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
1127 1245
1128 FcPatternDestroy (p); 1246 FcPatternDestroy (p);
1129 1247
1130 if (!match) 1248 if (!match)
1131 return false; 1249 return false;
… …
1133 int ftheight = 0; 1251 int ftheight = 0;
1134 bool success = true; 1252 bool success = true;
1135 1253
1136 for (;;) 1254 for (;;)
1137 { 1255 {
1256 p = FcPatternDuplicate (match);
1138 f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); 1257 f = XftFontOpenPattern (disp, p);
1139 1258
1140 if (!f) 1259 if (!f)
1141 { 1260 {
1261 FcPatternDestroy (p);
1142 success = false; 1262 success = false;
1143 break; 1263 break;
1144 } 1264 }
1145 1265
1146 FT_Face face = XftLockFace (f); 1266 FT_Face face = XftLockFace (f);
… …
1152 1272
1153 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; 1273 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
1154 1274
1155 XftUnlockFace (f); 1275 XftUnlockFace (f);
1156 1276
1157 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1277 int glheight = height;
1278
1279 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1158 { 1280 {
1159 FcChar16 ch = *t; 1281 FcChar16 ch = *t;
1160 1282
1161 if (cs != CS_UNICODE 1283 if (cs != CS_UNICODE
1162 && ch > 0x100 1284 && ch > 0x100
… …
1169 continue; 1291 continue;
1170 1292
1171 XGlyphInfo g; 1293 XGlyphInfo g;
1172 XftTextExtents16 (disp, f, &ch, 1, &g); 1294 XftTextExtents16 (disp, f, &ch, 1, &g);
1173 1295
1296 g.width -= g.x;
1297
1174 int wcw = wcwidth (ch); 1298 int wcw = WCWIDTH (ch);
1175 if (wcw > 0) g.width = g.width / wcw; 1299 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1176 1300
1177 if (width < g.width) width = g.width; 1301 if (width < g.width ) width = g.width;
1178 if (height < g.height) height = g.height; 1302 if (height < g.height ) height = g.height;
1303 if (glheight < g.height - g.y) glheight = g.height - g.y;
1304 }
1305
1306 if (!width)
1307 {
1308 rxvt_warn ("unable to calculate font width for '%s', using max_advance_width.\n", name);
1309 width = f->max_advance_width;
1310 break;
1179 } 1311 }
1180 1312
1181 if (prop.height == rxvt_fontprop::unset 1313 if (prop.height == rxvt_fontprop::unset
1182 || height <= prop.height 1314 || (height <= prop.height && glheight <= prop.height)
1183 || height <= 2 1315 || height <= 2
1184 || !scalable) 1316 || !scalable)
1185 break; 1317 break;
1186 1318
1187 if (ftheight) 1319 if (ftheight)
… …
1194 ftheight -= height - prop.height; 1326 ftheight -= height - prop.height;
1195 } 1327 }
1196 else 1328 else
1197 ftheight = prop.height - 1; 1329 ftheight = prop.height - 1;
1198 1330
1199 XftFontClose (disp, f); 1331 XftFontClose (disp, f);
1200 FcPatternDel (match, FC_PIXEL_SIZE); 1332 FcPatternDel (match, FC_PIXEL_SIZE);
1201 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); 1333 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
1202 } 1334 }
1203 1335
1204 FcPatternDestroy (match); 1336 FcPatternDestroy (match);
1205 1337
1206#if 0 // do it per-character 1338#if 0 // do it per-character
… …
1209 clear (); 1341 clear ();
1210 success = false; 1342 success = false;
1211 } 1343 }
1212#endif 1344#endif
1213 1345
1346#if XFT_CHAR_CACHE
1347 // populate char cache
1348 for (FcChar16 ch = char_cache_min; ch <= char_cache_max; ++ch)
1349 {
1350 FT_UInt glyph = XftCharIndex (disp, f, ch);
1351 glyph_cache [ch - char_cache_min] = glyph;
1352
1353 XGlyphInfo g;
1354 XftGlyphExtents (disp, f, &glyph, 1, &g);
1355 xoff_cache [ch - char_cache_min] = g.xOff;
1356 }
1357#endif
1358
1214 return success; 1359 return success;
1215} 1360}
1216 1361
1217bool 1362bool
1218rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 1363rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1219{ 1364{
1220 careful = false; 1365 careful = false;
1221 1366
1222 if (!XftCharExists (DISPLAY, f, unicode)) 1367 // handle non-bmp chars when text_t is 16 bit
1368#if ENABLE_COMBINING && !UNICODE_3
1369 if (ecb_expect_false (IS_COMPOSE (unicode)))
1370 if (compose_char *cc = rxvt_composite [unicode])
1371 if (cc->c2 == NOCHAR)
1372 unicode = cc->c1;
1373 else
1374 return false;
1375 else
1376 return false;
1377#endif
1378
1379 FcChar32 chr = unicode;
1380
1381 if (!XftCharExists (term->dpy, f, chr))
1223 return false; 1382 return false;
1224 1383
1225 if (!prop || prop->width == rxvt_fontprop::unset) 1384 if (!prop || prop->width == rxvt_fontprop::unset)
1226 return true; 1385 return true;
1227 1386
1228 // check character against base font bounding box 1387 int wcw = max (WCWIDTH (chr), 1);
1229 FcChar32 ch = unicode; 1388
1230 XGlyphInfo g; 1389 XGlyphInfo g;
1231 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1390 XftTextExtents32 (term->dpy, f, &chr, 1, &g);
1232 1391
1233 int w = g.width; 1392 int w = g.width - g.x;
1234 int wcw = wcwidth (unicode);
1235 if (wcw > 0) w /= wcw;
1236 1393
1237 careful = w > prop->width; 1394 careful = g.x > 0 || w > prop->width * wcw;
1238 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1395
1396 if (careful && !OVERLAP_OK (w, wcw, prop))
1397 return false;
1398
1399 // this weeds out _totally_ broken fonts, or glyphs
1400 if (!OVERLAP_OK (g.xOff, wcw, prop))
1239 return false; 1401 return false;
1240 1402
1241 return true; 1403 return true;
1242} 1404}
1243 1405
1244void 1406void
1245rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1407rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1246 const text_t *text, int len, 1408 const text_t *text, int len,
1247 int fg, int bg) 1409 int fg, int bg)
1248{ 1410{
1249 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1411 XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
1412 XftGlyphSpec *ep = enc;
1250 1413
1251 int base = ascent; // should be fbase, but that is incorrect 1414 dTermDisplay;
1415 dTermGC;
1252 1416
1253 XGlyphInfo extents; 1417 int w = term->fwidth * len;
1254 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1418 int h = term->fheight;
1255 FcChar32 *ep = enc; 1419
1256 int ewidth = 0; 1420 bool buffered = bg >= Color_transparent
1257 int xoff = 0; 1421 && term->option (Opt_buffered);
1422
1423 // cut trailing spaces
1424 while (len && text [len - 1] == ' ')
1425 len--;
1426
1427 int x_ = buffered ? 0 : x;
1428 int y_ = buffered ? 0 : y;
1258 1429
1259 while (len) 1430 while (len)
1260 { 1431 {
1261 int cwidth = r->TermWin.fwidth; 1432 int cwidth = term->fwidth;
1262 FcChar32 fc = *text++; len--; 1433 FcChar32 chr = *text++; len--;
1263 FT_UInt gl;
1264 1434
1265 while (len && *text == NOCHAR) 1435 while (len && *text == NOCHAR)
1266 text++, len--, cwidth += r->TermWin.fwidth; 1436 text++, len--, cwidth += term->fwidth;
1267
1268 gl = XftCharIndex (d.display->display, f, fc);
1269 XftGlyphExtents (d.display->display, f, &gl, 1, &extents);
1270 1437
1271 if (extents.xOff != cwidth && ep != enc) 1438 if (chr != ' ') // skip spaces
1272 {
1273 if (xoff > ewidth) xoff = ewidth;
1274 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1275 x + (ewidth - xoff >> 1),
1276 y + base, enc, ep - enc);
1277 x += ewidth;
1278
1279 ep = enc;
1280 ewidth = 0;
1281 xoff = 0;
1282 } 1439 {
1440 // handle non-bmp chars when text_t is 16 bit
1441 #if ENABLE_COMBINING && !UNICODE_3
1442 if (ecb_expect_false (IS_COMPOSE (chr)))
1443 if (compose_char *cc = rxvt_composite [chr])
1444 if (cc->c2 == NOCHAR)
1445 chr = cc->c1;
1446 #endif
1283 1447
1284 if (fc == ' ' && ep == enc) // skip leading spaces 1448 #if 0
1449 FT_UInt glyphs [decltype (exp)::max_size];
1450
1451 for (int i = 0; i < nchrs; ++i)
1452 glyphs [i] = XftCharIndex (disp, f, chrs [i]);
1453
1454 for (int i = 0; i < nchrs; ++i)
1455 {
1456 XGlyphInfo ep;
1457 XftGlyphExtents (disp, f, glyphs+i, 1, &ep);
1458 printf ("gs %4x g %4x + %3d,%3d o %3d,%3d wh %3d,%3d\n", chrs[i],glyphs[i],ep.x,ep.y,ep.xOff,ep.yOff,ep.width,ep.height);
1459 }
1460 #endif
1461
1462 FT_UInt glyph;
1463 int xOff;
1464
1465 #if XFT_CHAR_CACHE
1466 if (ecb_expect_true (IN_RANGE_INC (chr, char_cache_min, char_cache_max)))
1467 {
1468 glyph = glyph_cache [chr - char_cache_min];
1469 xOff = xoff_cache [chr - char_cache_min];
1470 }
1471 else
1472 #endif
1473 {
1474 glyph = XftCharIndex (disp, f, chr);
1475 XGlyphInfo extents;
1476 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1477 xOff = extents.xOff;
1478 }
1479
1480 ep->glyph = glyph;
1481 ep->x = x_;
1482 ep->y = y_ + ascent;
1483
1484 // the xft font cell might differ from the terminal font cell,
1485 // in which case we use the average between the two.
1486 ep->x += xOff ? cwidth - xOff >> 1 : 0;
1487
1488 // xft/freetype represent combining characters as characters with zero
1489 // width rendered over the previous character with some fonts, while
1490 // in other fonts, they are considered normal characters, while yet
1491 // in other fonts, they are shifted all over the place.
1492 // we handle the first two cases by keying off on xOff being 0
1493 // for zero-width chars. normally, we would add extents.xOff
1494 // of the base character here, but we don't have that, so we use cwidth.
1495 ep->x += xOff ? 0 : cwidth;
1496
1497 ++ep;
1285 { 1498 }
1499
1286 x += cwidth; 1500 x_ += cwidth;
1287 continue; 1501 }
1502
1503 if (buffered)
1504 {
1505 if (ep != enc)
1288 } 1506 {
1507 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1289 1508
1509#ifdef HAVE_IMG
1510 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1511
1512 if (term->bg_img
1513 && (bg == Color_transparent || bg == Color_bg
1514 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1515 {
1516 int src_x = x, src_y = y;
1517
1518 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1519 {
1520 src_x += term->window_vt_x;
1521 src_y += term->window_vt_y;
1522 }
1523
1524 if (term->bg_img->w >= src_x + w
1525 && term->bg_img->h >= src_y + h)
1526 {
1527 XCopyArea (disp, term->bg_img->pm, d2, gc,
1528 src_x, src_y, w, h, 0, 0);
1529 }
1530 else
1531 {
1532 XGCValues gcv;
1533
1534 gcv.fill_style = FillTiled;
1535 gcv.tile = term->bg_img->pm;
1536 gcv.ts_x_origin = -src_x;
1537 gcv.ts_y_origin = -src_y;
1538
1539 XChangeGC (disp, gc,
1540 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1541 &gcv);
1542
1543 XFillRectangle (disp, d2, gc, 0, 0, w, h);
1544
1545 gcv.fill_style = FillSolid;
1546 XChangeGC (disp, gc, GCFillStyle, &gcv);
1547 }
1548
1549 if (dst)
1550 {
1551 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1552
1553 // dst can only be set when bg >= 0
1554 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1555 }
1556 }
1557 else
1558#endif
1559 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1560
1561 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1562 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1563 }
1290 else 1564 else
1291 { 1565 clear_rect (d, x, y, w, h, bg);
1292 *ep++ = gl;
1293 ewidth += cwidth;
1294 xoff += extents.xOff;
1295 }
1296 }
1297
1298 if (ep != enc)
1299 { 1566 }
1300 if (xoff > ewidth) xoff = ewidth; 1567 else
1301 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1302 x + (ewidth - xoff >> 1),
1303 y + base, enc, ep - enc);
1304 } 1568 {
1569 clear_rect (d, x, y, w, h, bg);
1570 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1571 }
1305} 1572}
1573
1306#endif 1574#endif
1307 1575
1308///////////////////////////////////////////////////////////////////////////// 1576/////////////////////////////////////////////////////////////////////////////
1309 1577
1310rxvt_fontset::rxvt_fontset (rxvt_t r) 1578rxvt_fontset::rxvt_fontset (rxvt_term *term)
1311: r (r), fontdesc (0) 1579: fontdesc (0), term (term)
1312{ 1580{
1313 clear (); 1581 clear ();
1314} 1582}
1315 1583
1316rxvt_fontset::~rxvt_fontset () 1584rxvt_fontset::~rxvt_fontset ()
… …
1319} 1587}
1320 1588
1321void 1589void
1322rxvt_fontset::clear () 1590rxvt_fontset::clear ()
1323{ 1591{
1324 prop.width = prop.height = prop.weight = prop.slant 1592 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1325 = rxvt_fontprop::unset; 1593 = rxvt_fontprop::unset;
1594 force_prop = false;
1326 1595
1327 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1596 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1328 FONT_UNREF (*i); 1597 (*i)->unref ();
1329 1598
1330 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1599 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1331 delete *p; 1600 delete *p;
1332 1601
1333 free (fontdesc); fontdesc = 0; 1602 free (fontdesc); fontdesc = 0;
… …
1335 fonts.clear (); 1604 fonts.clear ();
1336 1605
1337 fallback = fallback_fonts; 1606 fallback = fallback_fonts;
1338} 1607}
1339 1608
1609void
1610rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1611{
1612 font->set_term (term);
1613
1614 font->cs = cs;
1615 font->loaded = false;
1616}
1617
1340rxvt_font * 1618rxvt_font *
1341rxvt_fontset::new_font (const char *name, codeset cs) 1619rxvt_fontset::new_font (const char *name, codeset cs)
1342{ 1620{
1343 rxvt_font *f; 1621 rxvt_font *f;
1344 1622
1345 if (!name || !*name) 1623 if (!name || !*name)
1346 { 1624 {
1347 name = ""; 1625 name = "";
1348 f = new rxvt_font_default (this); 1626 f = new rxvt_font_default (this);
1349 } 1627 }
… …
1360 f = new rxvt_font_x11; 1638 f = new rxvt_font_x11;
1361 } 1639 }
1362 else 1640 else
1363 f = new rxvt_font_x11; 1641 f = new rxvt_font_x11;
1364 1642
1365 f->set_term (r);
1366 f->set_name (strdup (name)); 1643 f->set_name (strdup (name));
1367 1644 prepare_font (f, cs);
1368 f->cs = cs;
1369 f->loaded = false;
1370 1645
1371 return f; 1646 return f;
1372} 1647}
1373 1648
1374///////////////////////////////////////////////////////////////////////////// 1649/////////////////////////////////////////////////////////////////////////////
1650
1651void
1652rxvt_fontset::push_font (rxvt_font *font)
1653{
1654 // the fontCount index is reserved for the overflow font, it is only
1655 // necessary when we get fontCount or more fonts, as they cannot be
1656 // represented in the rendition.
1657 if (fonts.size () == fontCount)
1658 {
1659 rxvt_font *f = new rxvt_font_overflow (this);
1660
1661 prepare_font (f, CS_UNICODE);
1662 fonts.push_back (f);
1663 }
1664
1665 fonts.push_back (font);
1666}
1375 1667
1376void 1668void
1377rxvt_fontset::add_fonts (const char *desc) 1669rxvt_fontset::add_fonts (const char *desc)
1378{ 1670{
1379 if (desc) 1671 if (desc)
… …
1381 char buf[512]; 1673 char buf[512];
1382 const char *end; 1674 const char *end;
1383 1675
1384 do 1676 do
1385 { 1677 {
1386 while (*desc <= ' ') desc++; 1678 while (*desc && *desc <= ' ')
1679 desc++;
1387 1680
1388 codeset cs = CS_UNICODE; 1681 codeset cs = CS_UNICODE;
1389 1682
1390 if (*desc == '[') 1683 if (*desc == '[')
1391 { 1684 {
… …
1407 cs = codeset_from_name (spec + sizeof ("codeset=") - 1); 1700 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1408 else 1701 else
1409 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); 1702 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1410 1703
1411 desc++; 1704 desc++;
1412 while (*desc <= ' ') desc++; 1705 while (*desc <= ' ' && *desc) desc++;
1413 } 1706 }
1414 1707
1415 end = strchr (desc, ','); 1708 end = strchr (desc, ',');
1416 if (!end) 1709 if (!end)
1417 end = desc + strlen (desc); 1710 end = desc + strlen (desc);
1418 1711
1419 if (end - desc < 511) 1712 if (end - desc < 511)
1420 { 1713 {
1421 strncpy (buf, desc, end - desc); 1714 memcpy (buf, desc, end - desc);
1422 buf[end - desc] = 0; 1715 buf[end - desc] = 0;
1423 1716
1424 fonts.push_back (new_font (buf, cs)); 1717 push_font (new_font (buf, cs));
1425 } 1718 }
1426 else 1719 else
1427 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1720 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1428 1721
1429 desc = end + 1; 1722 desc = end + 1;
1430 } 1723 }
1431 while (*end); 1724 while (*end);
1432 } 1725 }
… …
1441 if (fonts[i]->loaded) 1734 if (fonts[i]->loaded)
1442 return true; 1735 return true;
1443 1736
1444 fonts[i]->loaded = true; 1737 fonts[i]->loaded = true;
1445 1738
1446 if (!fonts[i]->load (prop)) 1739 if (!fonts[i]->load (prop, force_prop))
1447 { 1740 {
1448 fonts[i]->cs = CS_UNKNOWN; 1741 fonts[i]->cs = CS_UNKNOWN;
1449 return false; 1742 return false;
1450 } 1743 }
1451 1744
… …
1457{ 1750{
1458 clear (); 1751 clear ();
1459 1752
1460 fontdesc = strdup (desc); 1753 fontdesc = strdup (desc);
1461 1754
1462 fonts.push_back (new_font (0, CS_UNICODE)); 1755 push_font (new_font (0, CS_UNICODE));
1463 realize_font (0); 1756 realize_font (0);
1464 1757
1465 add_fonts (desc); 1758 add_fonts (desc);
1466 1759
1467 return true; 1760 return true;
… …
1476 1769
1477 return -1; 1770 return -1;
1478} 1771}
1479 1772
1480int 1773int
1481rxvt_fontset::find_font (unicode_t unicode) 1774rxvt_fontset::find_font_idx (unicode_t unicode)
1482{ 1775{
1483 if (unicode >= 1<<20) 1776 // this limits fmap size. it has to accommodate COMPOSE_HI when UNICODE_3
1777 if (unicode > 0x1fffff)
1484 return 0; 1778 return 0;
1485 1779
1486 unicode_t hi = unicode >> 8; 1780 unicode_t hi = unicode >> 8;
1487 1781
1488 if (hi < fmap.size () 1782 if (hi < fmap.size ())
1489 && fmap[hi] 1783 if (pagemap *pm = fmap[hi])
1490 && (*fmap[hi])[unicode & 0xff] != 0xff) 1784 if ((*pm)[unicode & 0xff] != 0xff)
1491 return (*fmap[hi])[unicode & 0xff]; 1785 return (*pm)[unicode & 0xff];
1492 1786
1493 unsigned int i; 1787 unsigned int i;
1494 1788
1495 for (i = 0; i < fonts.size (); i++) 1789 for (i = 0; i < fonts.size (); i++)
1496 { 1790 {
… …
1501 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1795 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1502 goto next_font; 1796 goto next_font;
1503 1797
1504 if (!realize_font (i)) 1798 if (!realize_font (i))
1505 goto next_font; 1799 goto next_font;
1800
1801 if (prop.ascent != rxvt_fontprop::unset)
1802 max_it (f->ascent, prop.ascent);
1506 } 1803 }
1507 1804
1508 if (f->cs == CS_UNKNOWN) 1805 if (f->cs == CS_UNKNOWN)
1509 goto next_font; 1806 goto next_font;
1510 1807
1511 bool careful; 1808 bool careful;
1512 if (f->has_char (unicode, &prop, careful)) 1809 if (f->has_char (unicode, &prop, careful))
1513 { 1810 {
1514 if (careful) 1811 i = (i << 1) | careful;
1515 i |= 128;
1516 1812
1517 goto found; 1813 goto found;
1518 } 1814 }
1519 1815
1520 next_font: 1816 next_font:
1521 if (i == fonts.size () - 1) 1817 if (i == fonts.size () - 1)
1522 { 1818 {
1819 // compose characters are handled by the default font, unless another font takes over
1820 // we do not go via the fallback list for speed reasons.
1821 if (IS_COMPOSE (unicode))
1822 return 0;
1823
1523 if (fallback->name) 1824 if (fallback->name)
1524 { 1825 {
1525 // search through the fallback list 1826 // search through the fallback list
1526 fonts.push_back (new_font (fallback->name, fallback->cs)); 1827 push_font (new_font (fallback->name, fallback->cs));
1527 fallback++; 1828 fallback++;
1528 } 1829 }
1529 else 1830 else
1530 { 1831 {
1531 // try to find a new font. 1832 // try to find a new font.
… …
1533 // way to configure this and xft is easier to hack in, 1834 // way to configure this and xft is easier to hack in,
1534 // while x11 has more framework in place already. 1835 // while x11 has more framework in place already.
1535 // TODO: this is a real resource hog, xft takes ages(?) 1836 // TODO: this is a real resource hog, xft takes ages(?)
1536#if XFT && USE_SLOW_LOOKUP 1837#if XFT && USE_SLOW_LOOKUP
1537 // grab the first xft font that seems suitable 1838 // grab the first xft font that seems suitable
1839 // TOOD: should go first for cellchar (spacing 110) then mono, then else
1538 FcPattern *p = FcPatternCreate (); 1840 FcPattern *p = FcPatternCreate ();
1539 1841
1540 FcCharSet *s = FcCharSetCreate (); 1842 FcCharSet *s = FcCharSetCreate ();
1541 FcCharSetAddChar (s, unicode); 1843 FcCharSetAddChar (s, unicode);
1542 FcPatternAddCharSet (p, FC_CHARSET, s); 1844 FcPatternAddCharSet (p, FC_CHARSET, s);
… …
1549 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1851 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1550 FcPatternAddBool (p, FC_MINSPACE, 1); 1852 FcPatternAddBool (p, FC_MINSPACE, 1);
1551 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1853 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1552 1854
1553 XftResult result; 1855 XftResult result;
1554 FcPattern *match = XftFontMatch (DISPLAY, r->display->screen, p, &result); 1856 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1555 1857
1556 FcPatternDestroy (p); 1858 FcPatternDestroy (p);
1557 1859
1558 if (match) 1860 if (match)
1559 { 1861 {
… …
1562 FcPatternDestroy (match); 1864 FcPatternDestroy (match);
1563 1865
1564 if (find_font (font) < 0) 1866 if (find_font (font) < 0)
1565 { 1867 {
1566 char fontname[4096]; 1868 char fontname[4096];
1567 sprintf (fontname, "xft:%-.4090s", font); 1869 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1568 1870
1569 fonts.push_back (new_font (fontname, CS_UNICODE)); 1871 push_font (new_font (fontname, CS_UNICODE));
1570 } 1872 }
1571 1873
1572 free (font); 1874 free (font);
1573 } 1875 }
1574#endif 1876#endif
… …
1586 while (hi >= fmap.size ()) 1888 while (hi >= fmap.size ())
1587 fmap.push_back (0); 1889 fmap.push_back (0);
1588 1890
1589 if (!fmap[hi]) 1891 if (!fmap[hi])
1590 { 1892 {
1591 fmap[hi] = (pagemap *)new pagemap; 1893 fmap[hi] = new pagemap;
1592 memset (fmap[hi], 0xff, sizeof (pagemap)); 1894 memset (fmap[hi], 0xff, sizeof (pagemap));
1593 } 1895 }
1594 1896
1595 (*fmap[hi])[unicode & 0xff] = i; 1897 (*fmap[hi])[unicode & 0xff] = i;
1596 } 1898 }
1597 1899
1598 return i; 1900 return i;
1599} 1901}
1600 1902
1601
1602

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