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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.64 by root, Tue Jan 11 05:45:57 2005 UTC vs.
Revision 1.199 by root, Thu Jun 17 00:08:35 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" },
… …
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:Bitstream Vera 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 if (IS_COMPOSE (unicode))
314 return true; 319 return true;
315 320
316 switch (unicode) 321 switch (unicode)
… …
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{
341 dTermDisplay;
342 dTermGC;
343
336 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);
337 345
338 XSetForeground (d.display->display, TGC, r->pix_colors[fg]); 346 XSetForeground (disp, gc, term->pix_colors[fg]);
339 347
340 while (len) 348 while (len)
341 { 349 {
342#if ENABLE_COMBINING 350#if ENABLE_COMBINING
343 compose_char *cc; 351 compose_char *cc;
… …
347 355
348 while (++text, --len && *text == NOCHAR) 356 while (++text, --len && *text == NOCHAR)
349 ; 357 ;
350 358
351 int width = text - tp; 359 int width = text - tp;
352 int fwidth = r->TermWin.fwidth * width; 360 int fwidth = term->fwidth * width;
353 361
362#ifdef BUILTIN_GLYPHS
354 if (0x2500 <= t && t <= 0x259f) 363 if (0x2500 <= t && t <= 0x259f)
355 { 364 {
365# include "table/linedraw.h"
356 uint16_t offs = linedraw_offs[t - 0x2500]; 366 uint16_t offs = linedraw_offs[t - 0x2500];
357 uint32_t *a = linedraw_command + (offs >> 4); 367 uint32_t *a = linedraw_command + (offs >> 4);
358 uint32_t *b = a + (offs & 15); 368 uint32_t *b = a + (offs & 15);
359 369
360 int W = fwidth; 370 int W = fwidth;
361 int H = r->TermWin.fheight; 371 int H = term->fheight;
362 372
363 int x_[16]; 373 int x_[16];
364 int y_[16]; 374 int y_[16];
365 375
366 for (int i = 0; i <= 8; i++) 376 for (int i = 0; i <= 8; i++)
… …
374 384
375 XGCValues gcv; 385 XGCValues gcv;
376 386
377 gcv.cap_style = CapButt; 387 gcv.cap_style = CapButt;
378 gcv.line_width = 0; 388 gcv.line_width = 0;
379 XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv); 389 XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
380 390
381 while (a < b) 391 while (a < b)
382 { 392 {
383 uint32_t command = *a++; 393 uint32_t command = *a++;
384 394
… …
391 int y2 = y_[(command >> 0) & 15]; 401 int y2 = y_[(command >> 0) & 15];
392 402
393 switch (op) 403 switch (op)
394 { 404 {
395 case 0: // line 405 case 0: // line
396 XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2); 406 XDrawLine (disp, d, gc, x1, y1, x2, y2);
397 break; 407 break;
398 408
399 case 1: // rectangle, possibly stippled 409 case 1: // rectangle, possibly stippled
400 if (a) 410 if (a)
401 { 411 {
402 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 412 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
403 413
404 gcv.fill_style = FillStippled; 414 gcv.fill_style = FillStippled;
405 gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2); 415 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
406 gcv.ts_x_origin = x; 416 gcv.ts_x_origin = x;
407 gcv.ts_y_origin = y; 417 gcv.ts_y_origin = y;
408 418
409 XChangeGC (d.display->display, TGC, 419 XChangeGC (disp, gc,
410 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 420 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
411 &gcv); 421 &gcv);
412 } 422 }
413 423
414 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);
415 425
416 if (a) 426 if (a)
417 { 427 {
418 XFreePixmap (d.display->display, gcv.stipple); 428 XFreePixmap (disp, gcv.stipple);
419 gcv.stipple = 0; 429 gcv.stipple = 0;
420 gcv.fill_style = FillSolid; 430 gcv.fill_style = FillSolid;
421 XChangeGC (d.display->display, TGC, GCFillStyle, &gcv); 431 XChangeGC (disp, gc, GCFillStyle, &gcv);
422 } 432 }
423 break; 433 break;
424 case 2: // arc 434 case 2: // arc
425 XDrawArc (d.display->display, d, TGC, 435 XDrawArc (disp, d, gc,
426 x1 - W/2, y1 - H/2, W-1, H-1, 436 x1 - W/2, y1 - H/2, W-1, H-1,
427 (a - 1) * 90*64, (b - 1) * 90*64); 437 (a - 1) * 90*64, (b - 1) * 90*64);
428 break; 438 break;
429 } 439 }
430 } 440 }
431 } 441 }
442#else
443 if (0)
444 ;
445#endif
432#if ENABLE_COMBINING 446#if ENABLE_COMBINING
433 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 447 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
434 { 448 {
449 min_it (width, 2); // we only support wcwidth up to 2
450
435 text_t chrs[2]; 451 text_t chrs[2];
436 width = min (2, width);
437 chrs [1] = NOCHAR; 452 chrs [1] = NOCHAR;
438 453
439 *chrs = cc->c1; 454 *chrs = cc->c1;
440 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 455 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
441 f1->draw (d, x, y, chrs, width, fg, bg); 456 f1->draw (d, x, y, chrs, width, fg, bg);
442 457
443 if (cc->c2 != NOCHAR) 458 if (cc->c2 != NOCHAR)
444 { 459 {
445 bool careful; 460 bool careful;
446 461
447 // prefer font of first character, for no good reasons 462 // prefer font of first character, for no good reasons
448 *chrs = cc->c2; 463 *chrs = cc->c2;
449 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) 464 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
450 ? f1 465 ? f1
451 : (*fs)[fs->find_font (cc->c2)]; 466 : (*fs)[fs->find_font_idx (cc->c2)];
452 467
453 f2->draw (d, x, y, chrs, width, fg, -1); 468 f2->draw (d, x, y, chrs, width, fg, Color_none);
454 } 469 }
455 } 470 }
456#endif 471#endif
457 else 472 else
458 switch (t) 473 switch (t)
… …
460 case '\t': 475 case '\t':
461 case ZERO_WIDTH_CHAR: 476 case ZERO_WIDTH_CHAR:
462 case NOCHAR: 477 case NOCHAR:
463 break; 478 break;
464 479
480 /*
481 * If the base font does not support variation selectors, treat them as ZWC.
482 * a point could be made to do this for all wcwidth == 0 characters, but I
483 * decided against that until more data is available.
484 */
485 case 0xfe00: case 0xfe01: case 0xfe02: case 0xfe03: case 0xfe04: case 0xfe05: case 0xfe06: case 0xfe07:
486 case 0xfe08: case 0xfe09: case 0xfe0a: case 0xfe0b: case 0xfe0c: case 0xfe0d: case 0xfe0e: case 0xfe0f:
487 break;
488
465 default: 489 default:
466 XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2, 490 XDrawRectangle (disp, d, gc, x + 2, y + 2,
467 fwidth - 4, r->TermWin.fheight - 4); 491 fwidth - 4, term->fheight - 4);
468 } 492 }
469 493
470 x += fwidth; 494 x += fwidth;
471 } 495 }
472} 496}
473 497
498struct rxvt_font_overflow : rxvt_font
499{
500 struct rxvt_fontset *fs;
501
502 rxvt_font_overflow (rxvt_fontset *fs)
503 : rxvt_font ()
504 {
505 this->fs = fs;
506 }
507
508 rxvt_fontprop properties ()
509 {
510 rxvt_fontprop p;
511
512 p.width = p.height = 1;
513 p.ascent = rxvt_fontprop::unset;
514 p.weight = rxvt_fontprop::medium;
515 p.slant = rxvt_fontprop::roman;
516
517 return p;
518 }
519
520 bool load (const rxvt_fontprop &prop, bool force_prop)
521 {
522 width = 1; height = 1;
523 ascent = 1; descent = 0;
524
525 set_name (strdup ("built-in rendition overflow font"));
526
527 return true;
528 }
529
530 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
531 {
532 return false;
533 }
534
535 void draw (rxvt_drawable &d, int x, int y,
536 const text_t *text, int len,
537 int fg, int bg)
538 {
539 while (len)
540 {
541 int fid = fs->find_font_idx (*text);
542 int w = 1;
543 while (w < len && text[w] == NOCHAR)
544 w++;
545 (*fs)[fid]->draw (d, x, y, text, w, fg, bg);
546 text += w;
547 len -= w;
548 x += term->fwidth * w;
549 }
550 }
551};
552
474///////////////////////////////////////////////////////////////////////////// 553/////////////////////////////////////////////////////////////////////////////
475 554
476struct rxvt_font_x11 : rxvt_font { 555struct rxvt_font_x11 : rxvt_font
556{
477 rxvt_font_x11 () { f = 0; } 557 rxvt_font_x11 () { f = 0; }
478 558
479 void clear (); 559 void clear ();
480 560
481 rxvt_fontprop properties (); 561 rxvt_fontprop properties ();
482 562
483 bool load (const rxvt_fontprop &prop); 563 bool load (const rxvt_fontprop &prop, bool force_prop);
484 564
485 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful); 565 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
486 566
487 void draw (rxvt_drawable &d, int x, int y, 567 void draw (rxvt_drawable &d, int x, int y,
488 const text_t *text, int len, 568 const text_t *text, int len,
489 int fg, int bg); 569 int fg, int bg);
490 570
491 bool slow; // wether this is a proportional font or has other funny characteristics 571 bool slow; // whether this is a proportional font or has other funny characteristics
492 XFontStruct *f; 572 XFontStruct *f;
493 codeset cs;
494 bool enc2b, encm; 573 bool enc2b, encm;
495 574
496 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 575 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
497 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); 576 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
498 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 577 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
499 bool set_properties (rxvt_fontprop &p, const char *name); 578 bool set_properties (rxvt_fontprop &p, const char *name);
500}; 579};
501 580
502char * 581char *
503rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 582rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
504{ 583{
505 unsigned long value; 584 unsigned long value;
506 585
507 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 586 if (XGetFontProperty (f, property, &value))
508 return XGetAtomName (DISPLAY, value); 587 return XGetAtomName (term->dpy, value);
509 else 588 else
510 return rxvt_strdup (repl); 589 return repl ? strdup (repl) : 0;
511} 590}
512 591
513rxvt_fontprop 592rxvt_fontprop
514rxvt_font_x11::properties () 593rxvt_font_x11::properties ()
515{ 594{
… …
519} 598}
520 599
521bool 600bool
522rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 601rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
523{ 602{
524 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 603 p.width = width != rxvt_fontprop::unset ? width
604 : avgwidth ? (avgwidth + 1) / 10
605 : (height + 1) / 2;
525 p.height = height; 606 p.height = height;
607 p.ascent = rxvt_fontprop::unset;
526 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 608 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
527 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 609 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
528 610
529 return true; 611 return true;
530} 612}
… …
533rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 615rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
534{ 616{
535 unsigned long height; 617 unsigned long height;
536 618
537#if 0 619#if 0
538 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 620 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
539 return false; 621 return false;
540#else 622#else
541 height = f->ascent + f->descent; 623 height = f->ascent + f->descent;
542#endif 624#endif
543 625
544 unsigned long avgwidth; 626 unsigned long avgwidth;
545 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 627 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
546 avgwidth = 0; 628 avgwidth = 0;
547 629
548 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 630 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
549 char *slant = get_property (f, "SLANT", "r"); 631 char *slant = get_property (f, term->xa [XA_SLANT], "r");
550 632
551 set_properties (p, height, weight, slant, avgwidth); 633 set_properties (p, height, weight, slant, avgwidth);
552 634
553 free (weight); 635 free (weight);
554 free (slant); 636 free (slant);
555 637
638 p.ascent = f->ascent;
639
556 return true; 640 return true;
557} 641}
558 642
559bool 643bool
560rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) 644rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
561{ 645{
646 dTermDisplay;
562 int slashes = 0; 647 int slashes = 0;
563 const char *comp[13]; 648 const char *comp[13];
564 649
565 for (const char *c = name; *c; c++) 650 for (const char *c = name; *c; c++)
566 if (*c == '-') 651 if (*c == '-')
… …
574 if (slashes >= 13 659 if (slashes >= 13
575 && (*comp[ 6] >= '1' && *comp[ 6] <= '9') 660 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
576 && (*comp[11] >= '0' && *comp[11] <= '9')) 661 && (*comp[11] >= '0' && *comp[11] <= '9'))
577 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); 662 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
578 663
579 XFontStruct *f = XLoadQueryFont (DISPLAY, name); 664 XFontStruct *f = XLoadQueryFont (disp, name);
580 665
581 if (f) 666 if (f)
582 { 667 {
583 // the font should really exist now. if not, we have a problem 668 // the font should really exist now. if not, we have a problem
584 // (e.g. if the user did xset fp rehash just when we were searching fonts). 669 // (e.g. if the user did xset fp rehash just when we were searching fonts).
585 // in that case, just return garbage. 670 // in that case, just return garbage.
586 bool ret = set_properties (p, f); 671 bool ret = set_properties (p, f);
587 XFreeFont (DISPLAY, f); 672 XFreeFont (disp, f);
588 return ret; 673 return ret;
589 } 674 }
590 else 675 else
591 return false; 676 return false;
592} 677}
593 678
594// fix the size of scalable fonts 679// fix the size of scalable fonts
595static bool 680static bool
596replace_field (char *buf, const char *name, int index, const char old, const char *replace) 681replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
597{ 682{
598 int slashes = 0; 683 int slashes = 0;
599 const char *field, *end; 684 const char *field, *end;
600 685
601 for (const char *c = name; *c; c++) 686 for (const char *c = name; *c; c++)
… …
611 break; 696 break;
612 } 697 }
613 698
614 if (slashes >= 13 && (!old || *field == old)) 699 if (slashes >= 13 && (!old || *field == old))
615 { 700 {
616 // TODO: check for overflow in font-name 701 size_t len = field - name;
617 strncpy (buf, name, field - name); 702 *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
618 buf += field - name; 703 memcpy (*ptr, name, len);
619 strcpy (buf, replace); 704 strcpy (*ptr + len, replace);
620 strcat (buf, end); 705 strcat (*ptr, end);
621 706
622 return true; 707 return true;
623 } 708 }
624 else 709 else
625 { 710 {
626 strcpy (buf, name); 711 *ptr = strdup (name);
627 712
628 return false; 713 return false;
629 } 714 }
630} 715}
631 716
632bool 717bool
633rxvt_font_x11::load (const rxvt_fontprop &prop) 718rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
634{ 719{
720 dTermDisplay;
721
635 clear (); 722 clear ();
636 723
637 char field_str[64]; // enough for 128 bits 724 char field_str[64]; // enough for 128 bits
638 725
639 // first morph the font if required 726 // first morph the font if required
640 if (prop.weight != rxvt_fontprop::unset 727 if (force_prop)
641 || prop.slant != rxvt_fontprop::unset)
642 { 728 {
643 char fname[1024]; 729 char *fname;
644 730
645 if (name[0] != '-') 731 if (name[0] != '-')
646 { 732 {
647 f = XLoadQueryFont (DISPLAY, name); 733 f = XLoadQueryFont (disp, name);
648 734
649 if (!f) 735 if (!f)
650 return false; 736 return false;
651 737
652 char *new_name = get_property (f, "FONT", name); 738 char *new_name = get_property (f, XA_FONT, 0);
653 739
654 if (new_name) 740 if (new_name)
655 set_name (new_name); 741 set_name (new_name);
656 else 742 else
657 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 743 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
658 744
659 XFreeFont (DISPLAY, f); 745 XFreeFont (disp, f);
660 f = 0; 746 f = 0;
661 } 747 }
662 748
663 if (prop.weight != rxvt_fontprop::unset) 749 if (prop.weight != rxvt_fontprop::unset)
664 { 750 {
665 replace_field (fname, name, 2, 0, 751 replace_field (&fname, name, 2, 0,
666 prop.weight < rxvt_fontprop::bold 752 prop.weight < rxvt_fontprop::bold
667 ? "medium" : "bold"); 753 ? "medium" : "bold");
668 set_name (strdup (fname)); 754 set_name (fname);
669 } 755 }
670 756
671 if (prop.slant != rxvt_fontprop::unset) 757 if (prop.slant != rxvt_fontprop::unset)
672 { 758 {
673 replace_field (fname, name, 3, 0, 759 replace_field (&fname, name, 3, 0,
674 prop.slant < rxvt_fontprop::italic 760 prop.slant < rxvt_fontprop::italic
675 ? "r" : "i"); // TODO: handle "o"blique, too 761 ? "r" : "i"); // TODO: handle "o"blique, too
676 set_name (strdup (fname)); 762 set_name (fname);
677 } 763 }
678 } 764 }
679 765
680 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 766 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
681 ? 0 : prop.height); 767 ? 0 : prop.height);
… …
694 ~font_weight () { free (name); } 780 ~font_weight () { free (name); }
695 }; 781 };
696 782
697 char **list; 783 char **list;
698 int count; 784 int count;
699 list = XListFonts (DISPLAY, name, 4000, &count); 785 list = XListFonts (disp, name, 4000, &count);
700 786
701 set_name (0); 787 set_name (0);
702 788
703 if (!list) 789 if (!list)
704 return false; 790 return false;
… …
706 font_weight *fonts = new font_weight[count]; 792 font_weight *fonts = new font_weight[count];
707 793
708 for (int i = 0; i < count; i++) 794 for (int i = 0; i < count; i++)
709 { 795 {
710 rxvt_fontprop p; 796 rxvt_fontprop p;
711 char fname[1024]; 797 char *fname;
712 798
713 int diff = 0; 799 int diff = 0;
714 800
715 if (replace_field (fname, list[i], 6, '0', field_str)) 801 if (replace_field (&fname, list[i], 6, '0', field_str))
716 diff += 10; // slightly penalize scalable fonts 802 diff += 10; // slightly penalize scalable fonts
803 else
804 {
805 free (fname);
806 if (replace_field (&fname, list[i], 11, '0', "0"))
807 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
808 }
717 809
718 if (!set_properties (p, fname)) 810 if (!set_properties (p, fname)
811 // also weed out too large fonts
812 || (prop.height != rxvt_fontprop::unset
813 && p.height > prop.height))
814 {
815 free (fname);
719 continue; 816 continue;
720 817 }
721 if (prop.height != rxvt_fontprop::unset
722 && p.height > prop.height) // weed out too large fonts
723 continue;
724 818
725 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 819 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
726 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 820 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
727 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 821 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
728 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 822 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
729 823
730 fonts[i].name = strdup (fname); 824 fonts[i].name = fname;
731 fonts[i].diff = diff; 825 fonts[i].diff = diff;
732 } 826 }
733 827
734 XFreeFontNames (list); 828 XFreeFontNames (list);
735 829
736 // this loop only iterates when the guessed font-size is too small 830 // this loop only iterates when the guessed font-size is too small
737 for (;;) 831 for (;;)
738 { 832 {
739 font_weight *best = fonts + count - 1; 833 font_weight *best = fonts;
740 834
741 for (font_weight *w = best; w-- > fonts; ) 835 for (font_weight *w = fonts + 1; w < fonts + count; w++)
742 if (w->diff < best->diff) 836 if (w->diff < best->diff)
743 best = w; 837 best = w;
744 838
745 if (!best->name 839 if (!best->name
746 || !(f = XLoadQueryFont (DISPLAY, best->name))) 840 || !(f = XLoadQueryFont (disp, best->name)))
747 break; 841 break;
748 842
749 set_name (best->name); 843 set_name (best->name);
750 best->clear (); 844 best->clear ();
751 845
… …
764 delete [] fonts; 858 delete [] fonts;
765 859
766 if (!f) 860 if (!f)
767 return false; 861 return false;
768 862
769 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 863 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
770 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 864 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
865
866 cs = CS_UNKNOWN;
771 867
772 if (registry && encoding) 868 if (registry && encoding)
773 { 869 {
774 char charset[64]; 870 char charset[64];
775 snprintf (charset, 64, "%s-%s", registry, encoding); 871 snprintf (charset, 64, "%s-%s", registry, encoding);
776 872
777 cs = codeset_from_name (charset); 873 cs = codeset_from_name (charset);
778 } 874
779 else 875 if (cs == CS_UNKNOWN)
876 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
780 { 877 }
878
879 free (registry);
880 free (encoding);
881
882 if (cs == CS_UNKNOWN)
883 {
781 const char *charset = get_property (f, "FONT", 0); 884 char *value = get_property (f, XA_FONT, 0);
885 const char *charset = value;
782 886
783 if (!charset) 887 if (!charset)
784 charset = name; 888 charset = name;
785 889
786 int count = 13; 890 int count = 13;
787 while (*charset) 891 while (*charset)
788 if (*charset++ == '-' && !--count) 892 if (*charset++ == '-' && !--count)
789 break; 893 break;
790 894
791 cs = codeset_from_name (charset); 895 cs = codeset_from_name (charset);
896 if (cs == CS_UNKNOWN)
897 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
898
899 free (value);
900 }
901
902 if (cs == CS_UNKNOWN)
792 } 903 {
793 904 clear ();
794 free (registry); 905 return false;
795 free (encoding); 906 }
796 907
797 if (cs == CS_UNICODE) 908 if (cs == CS_UNICODE)
798 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 909 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
799 910
800 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 911 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
801 enc2b = encm || f->max_char_or_byte2 > 255; 912 enc2b = encm || f->max_char_or_byte2 > 255;
802 913
803 slow = false; 914 slow = false;
804 915
805#if 1 // only used for slow detection, TODO optimize 916#if 1 // only used for slow detection, TODO optimize
806 if (f->min_bounds.width == f->max_bounds.width) 917 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
807 width = f->min_bounds.width;
808 else if (f->per_char == NULL)
809 width = f->max_bounds.width; 918 width = f->max_bounds.width;
810 else 919 else
811 { 920 {
812 slow = true; 921 slow = true;
813 922
814 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 923 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
815 924
816 if (encm) 925 if (encm)
817 N += (f->max_byte1 - f->min_byte1) 926 N += (f->max_byte1 - f->min_byte1)
818 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); 927 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
819 928
820 while (N) 929 while (N)
821 { 930 {
822 if (f->per_char[N].width > width) 931 if (f->per_char[N].width > width)
823 width = f->per_char[N].width; 932 width = f->per_char[N].width;
824 933
… …
827 } 936 }
828#endif 937#endif
829 938
830 width = 1; 939 width = 1;
831 940
832 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 941 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
833 { 942 {
834 if (cs != CS_UNICODE
835 && *t > 0x100
836 && FROM_UNICODE (cs, *t) == NOCHAR) 943 if (FROM_UNICODE (cs, *t) == NOCHAR)
837 continue; 944 continue;
838 945
839 // ignore characters we wouldn't use anyways 946 // ignore characters we wouldn't use anyways
840 bool careful; 947 bool careful;
841 if (!has_char (*t, &prop, careful)) 948 if (!has_char (*t, &prop, careful))
842 continue; 949 continue;
843 950
844 XChar2b ch = { *t >> 8, *t }; 951 // the casts are needed in C++11 (see 8.5.1)
952 XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t };
845 953
846 XCharStruct g; 954 XCharStruct g;
847 int dir_ret, asc_ret, des_ret; 955 int dir_ret, asc_ret, des_ret;
848 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 956 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
849 957
850 int wcw = wcwidth (*t); if (wcw > 0) g.width = g.width / wcw; 958 int wcw = WCWIDTH (*t);
959 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
851 960
852 if (width < g.width) width = g.width; 961 if (width < g.width) width = g.width;
853 }
854
855 if (cs == CS_UNKNOWN)
856 { 962 }
857 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
858 963
964#if 0 // do it per-character
965 if (prop && width > prop->width)
966 {
859 clear (); 967 clear ();
860 return false; 968 return false;
861 } 969 }
862
863#if 0 // do it per-character
864 if (prop && width > prop->width)
865 {
866 clear ();
867 return false;
868 }
869#endif 970#endif
870 971
871 return true; 972 return true;
872} 973}
873 974
874void 975void
875rxvt_font_x11::clear () 976rxvt_font_x11::clear ()
876{ 977{
877 if (f) 978 if (f)
878 { 979 {
879 XFreeFont (DISPLAY, f); 980 XFreeFont (term->dpy, f);
880 f = 0; 981 f = 0;
881 } 982 }
882} 983}
883 984
884bool 985bool
885rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 986rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
886{ 987{
988 careful = false;
989
887 uint32_t ch = FROM_UNICODE (cs, unicode); 990 uint32_t ch = FROM_UNICODE (cs, unicode);
888 991
889 if (ch == NOCHAR) 992 if (ch == NOCHAR)
890 return false; 993 return false;
891 994
892 /* check wether the character exists in _this_ font. horrible. */ 995 /* check whether the character exists in _this_ font. horrible. */
893 XCharStruct *xcs; 996 XCharStruct *xcs;
894 997
895 if (encm) 998 if (encm)
896 { 999 {
897 unsigned char byte1 = ch >> 8; 1000 unsigned char byte1 = ch >> 8;
… …
927 return false; 1030 return false;
928 1031
929 if (!prop || prop->width == rxvt_fontprop::unset) 1032 if (!prop || prop->width == rxvt_fontprop::unset)
930 return true; 1033 return true;
931 1034
932 // check character against base font bounding box 1035 // check whether character overlaps previous/next character
933 int w = xcs->width; 1036 int w = xcs->rbearing - xcs->lbearing;
934 int wcw = wcwidth (unicode); 1037 int wcw = max (WCWIDTH (unicode), 1);
935 if (wcw > 0) w /= wcw;
936 1038
937 careful = w > prop->width; 1039 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
938 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1040
1041 if (careful && !OVERLAP_OK (w, wcw, prop))
939 return false; 1042 return false;
940 1043
941 return true; 1044 return true;
942} 1045}
943 1046
… …
949 // this looks like a mess /. 1052 // this looks like a mess /.
950 // and it is a mess /. 1053 // and it is a mess /.
951 // yet we are trying to be perfect /. 1054 // yet we are trying to be perfect /.
952 // but the result still isn't perfect /. 1055 // but the result still isn't perfect /.
953 1056
1057 dTermDisplay;
1058 dTermGC;
1059
954 bool slow = this->slow 1060 bool slow = this->slow
955 || width != r->TermWin.fwidth 1061 || width != term->fwidth
956 || height != r->TermWin.fheight; 1062 || height != term->fheight
1063 || ascent != f->ascent;
957 1064
958 int base = ascent; // sorry, incorrect: r->TermWin.fbase; 1065 int base = ascent; // sorry, incorrect: term->fbase;
959 1066
960 XGCValues v; 1067 XGCValues v;
961 v.foreground = r->pix_colors[fg]; 1068 v.foreground = term->pix_colors[fg];
962 v.font = f->fid; 1069 v.font = f->fid;
963 1070
964 if (enc2b) 1071 if (enc2b)
965 { 1072 {
966 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 1073 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
967 1074
968 if (bg == Color_bg && !slow) 1075 if (bg == Color_bg && !slow)
969 { 1076 {
970 v.background = r->pix_colors[bg]; 1077 v.background = term->pix_colors[bg];
971 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1078 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
972 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 1079 XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
973 } 1080 }
974 else 1081 else
975 { 1082 {
976 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1083 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
977 1084
978 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1085 XChangeGC (disp, gc, GCForeground | GCFont, &v);
979 1086
980 if (slow) 1087 if (slow)
981 { 1088 {
982 do 1089 do
983 { 1090 {
984 if (xc->byte1 || xc->byte2) 1091 if (xc->byte1 || xc->byte2)
985 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 1092 XDrawString16 (disp, d, gc, x, y + base, xc, 1);
986 1093
987 x += r->TermWin.fwidth; 1094 x += term->fwidth;
988 xc++; len--; 1095 xc++; len--;
989 } 1096 }
990 while (len); 1097 while (len);
991 } 1098 }
992 else 1099 else
993 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); 1100 XDrawString16 (disp, d, gc, x, y + base, xc, len);
994 } 1101 }
995 } 1102 }
996 else 1103 else
997 { 1104 {
998 const char *xc = enc_char (text, len, cs, slow); 1105 const char *xc = enc_char (text, len, cs, slow);
999 1106
1000 if (bg == Color_bg && !slow) 1107 if (bg == Color_bg && !slow)
1001 { 1108 {
1002 v.background = r->pix_colors[bg]; 1109 v.background = term->pix_colors[bg];
1003 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1110 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
1004 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1111 XDrawImageString (disp, d, gc, x, y + base, xc, len);
1005 } 1112 }
1006 else 1113 else
1007 { 1114 {
1008 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1115 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
1009 1116
1010 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1117 XChangeGC (disp, gc, GCForeground | GCFont, &v);
1011 1118
1012 if (slow) 1119 if (slow)
1013 { 1120 {
1014 do 1121 do
1015 { 1122 {
1016 if (*xc) 1123 if (*xc)
1017 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1124 XDrawString (disp, d, gc, x, y + base, xc, 1);
1018 1125
1019 x += r->TermWin.fwidth; 1126 x += term->fwidth;
1020 xc++; len--; 1127 xc++; len--;
1021 } 1128 }
1022 while (len); 1129 while (len);
1023 } 1130 }
1024 else 1131 else
1025 XDrawString (d.display->display, d, TGC, x, y + base, xc, len); 1132 XDrawString (disp, d, gc, x, y + base, xc, len);
1026 } 1133 }
1027 } 1134 }
1028} 1135}
1029 1136
1030///////////////////////////////////////////////////////////////////////////// 1137/////////////////////////////////////////////////////////////////////////////
1031 1138
1032#if XFT 1139#if XFT
1033 1140
1034struct rxvt_font_xft : rxvt_font { 1141struct rxvt_font_xft : rxvt_font
1142{
1035 rxvt_font_xft () { f = 0; } 1143 rxvt_font_xft ()
1144 {
1145 f = 0;
1146 }
1036 1147
1037 void clear (); 1148 void clear ();
1038 1149
1039 rxvt_fontprop properties (); 1150 rxvt_fontprop properties ();
1040 1151
1041 bool load (const rxvt_fontprop &prop); 1152 bool load (const rxvt_fontprop &prop, bool force_prop);
1042 1153
1043 void draw (rxvt_drawable &d, int x, int y, 1154 void draw (rxvt_drawable &d, int x, int y,
1044 const text_t *text, int len, 1155 const text_t *text, int len,
1045 int fg, int bg); 1156 int fg, int bg);
1046 1157
1047 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull); 1158 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
1048 1159
1049protected: 1160protected:
1050 XftFont *f; 1161 XftFont *f;
1051}; 1162};
1052 1163
1053void 1164void
1054rxvt_font_xft::clear () 1165rxvt_font_xft::clear ()
1055{ 1166{
1056 if (f) 1167 if (f)
1057 { 1168 {
1058 XftFontClose (DISPLAY, f); 1169 XftFontClose (term->dpy, f);
1059 f = 0; 1170 f = 0;
1060 } 1171 }
1061} 1172}
1062 1173
1063rxvt_fontprop 1174rxvt_fontprop
… …
1067 1178
1068 FT_Face face = XftLockFace (f); 1179 FT_Face face = XftLockFace (f);
1069 1180
1070 p.width = width; 1181 p.width = width;
1071 p.height = height; 1182 p.height = height;
1183 p.ascent = ascent;
1072 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD 1184 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
1073 ? rxvt_fontprop::bold : rxvt_fontprop::medium; 1185 ? rxvt_fontprop::bold : rxvt_fontprop::medium;
1074 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC 1186 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
1075 ? rxvt_fontprop::italic : rxvt_fontprop::roman; 1187 ? rxvt_fontprop::italic : rxvt_fontprop::roman;
1076 1188
… …
1078 1190
1079 return p; 1191 return p;
1080} 1192}
1081 1193
1082bool 1194bool
1083rxvt_font_xft::load (const rxvt_fontprop &prop) 1195rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
1084{ 1196{
1197 dTermDisplay;
1198
1085 clear (); 1199 clear ();
1086 1200
1087 FcPattern *p = FcNameParse ((FcChar8 *) name); 1201 FcPattern *p = FcNameParse ((FcChar8 *) name);
1088 1202
1089 if (!p) 1203 if (!p)
1090 return false; 1204 return false;
1091 1205
1092 FcValue v; 1206 FcValue v;
1093 1207
1094 if (prop.height != rxvt_fontprop::unset 1208 if (prop.height != rxvt_fontprop::unset
1095 || (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1209 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1096 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1210 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1097 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1211 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1098 1212
1099 if (prop.weight != rxvt_fontprop::unset 1213 if (prop.weight != rxvt_fontprop::unset
1100 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1214 && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
1101 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1215 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1102 1216
1103 if (prop.slant != rxvt_fontprop::unset 1217 if (prop.slant != rxvt_fontprop::unset
1104 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1218 && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
1105 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1219 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1106 1220
1107#if 0 // clipping unfortunately destroys our precious double-width-characters 1221#if 0 // clipping unfortunately destroys our precious double-width-characters
1108 // clip width, we can't do better, or can we? 1222 // clip width, we can't do better, or can we?
1109 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1223 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1110 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1224 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1111#endif 1225#endif
1112 1226
1113 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1227 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1114 FcPatternAddBool (p, FC_MINSPACE, 1); 1228 FcPatternAddBool (p, FC_MINSPACE, 1);
1115 1229
1116 // store generated name so iso14755 view gives better results 1230 // store generated name so iso14755 view gives better results
1117 set_name ((char *)FcNameUnparse (p)); 1231 set_name ((char *)FcNameUnparse (p));
1118 1232
1119 XftResult result; 1233 XftResult result;
1120 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1234 FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
1121 1235
1122 FcPatternDestroy (p); 1236 FcPatternDestroy (p);
1123 1237
1124 if (!match) 1238 if (!match)
1125 return false; 1239 return false;
… …
1127 int ftheight = 0; 1241 int ftheight = 0;
1128 bool success = true; 1242 bool success = true;
1129 1243
1130 for (;;) 1244 for (;;)
1131 { 1245 {
1132 f = XftFontOpenPattern (DISPLAY, FcPatternDuplicate (match)); 1246 p = FcPatternDuplicate (match);
1247 f = XftFontOpenPattern (disp, p);
1133 1248
1134 if (!f) 1249 if (!f)
1135 { 1250 {
1251 FcPatternDestroy (p);
1136 success = false; 1252 success = false;
1137 break; 1253 break;
1138 } 1254 }
1139 1255
1140 FT_Face face = XftLockFace (f); 1256 FT_Face face = XftLockFace (f);
… …
1146 1262
1147 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; 1263 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
1148 1264
1149 XftUnlockFace (f); 1265 XftUnlockFace (f);
1150 1266
1151 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1267 int glheight = height;
1268
1269 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1152 { 1270 {
1153 FcChar16 ch = *t; 1271 FcChar16 ch = *t;
1154 1272
1155 if (cs != CS_UNICODE 1273 if (cs != CS_UNICODE
1156 && ch > 0x100 1274 && ch > 0x100
… …
1161 bool careful; 1279 bool careful;
1162 if (!has_char (*t, &prop, careful)) 1280 if (!has_char (*t, &prop, careful))
1163 continue; 1281 continue;
1164 1282
1165 XGlyphInfo g; 1283 XGlyphInfo g;
1166 XftTextExtents16 (DISPLAY, f, &ch, 1, &g); 1284 XftTextExtents16 (disp, f, &ch, 1, &g);
1167 1285
1286 g.width -= g.x;
1287
1168 int wcw = wcwidth (ch); 1288 int wcw = WCWIDTH (ch);
1169 if (wcw > 0) g.width = g.width / wcw; 1289 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1170 1290
1171 if (width < g.width) width = g.width; 1291 if (width < g.width ) width = g.width;
1172 if (height < g.height) height = g.height; 1292 if (height < g.height ) height = g.height;
1293 if (glheight < g.height - g.y) glheight = g.height - g.y;
1294 }
1295
1296 if (!width)
1297 {
1298 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name);
1299
1300 XftFontClose (disp, f);
1301 f = 0;
1302
1303 success = false;
1304 break;
1173 } 1305 }
1174 1306
1175 if (prop.height == rxvt_fontprop::unset 1307 if (prop.height == rxvt_fontprop::unset
1176 || height <= prop.height 1308 || (height <= prop.height && glheight <= prop.height)
1177 || height <= 2 1309 || height <= 2
1178 || !scalable) 1310 || !scalable)
1179 break; 1311 break;
1180 1312
1181 if (ftheight) 1313 if (ftheight)
… …
1188 ftheight -= height - prop.height; 1320 ftheight -= height - prop.height;
1189 } 1321 }
1190 else 1322 else
1191 ftheight = prop.height - 1; 1323 ftheight = prop.height - 1;
1192 1324
1193 XftFontClose (DISPLAY, f); 1325 XftFontClose (disp, f);
1194 FcPatternDel (match, FC_PIXEL_SIZE); 1326 FcPatternDel (match, FC_PIXEL_SIZE);
1195 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); 1327 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
1196 } 1328 }
1197 1329
1198 FcPatternDestroy (match); 1330 FcPatternDestroy (match);
1199 1331
1200#if 0 // do it per-character 1332#if 0 // do it per-character
… …
1207 1339
1208 return success; 1340 return success;
1209} 1341}
1210 1342
1211bool 1343bool
1212rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 1344rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1213{ 1345{
1214 careful = false; 1346 careful = false;
1215 1347
1216 if (!XftCharExists (DISPLAY, f, unicode)) 1348 if (!XftCharExists (term->dpy, f, unicode))
1217 return false; 1349 return false;
1218 1350
1219 if (!prop || prop->width == rxvt_fontprop::unset) 1351 if (!prop || prop->width == rxvt_fontprop::unset)
1220 return true; 1352 return true;
1221 1353
1222 // check character against base font bounding box 1354 // check character against base font bounding box
1223 FcChar32 ch = unicode; 1355 FcChar32 ch = unicode;
1224 XGlyphInfo g; 1356 XGlyphInfo g;
1225 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1357 XftTextExtents32 (term->dpy, f, &ch, 1, &g);
1226 1358
1227 int w = g.width; 1359 int w = g.width - g.x;
1228 int wcw = wcwidth (unicode); 1360 int wcw = max (WCWIDTH (unicode), 1);
1229 if (wcw > 0) w /= wcw;
1230 1361
1231 careful = w > prop->width; 1362 careful = g.x > 0 || w > prop->width * wcw;
1232 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1363
1364 if (careful && !OVERLAP_OK (w, wcw, prop))
1365 return false;
1366
1367 // this weeds out _totally_ broken fonts, or glyphs
1368 if (!OVERLAP_OK (g.xOff, wcw, prop))
1233 return false; 1369 return false;
1234 1370
1235 return true; 1371 return true;
1236} 1372}
1237 1373
1238void 1374void
1239rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1375rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1240 const text_t *text, int len, 1376 const text_t *text, int len,
1241 int fg, int bg) 1377 int fg, int bg)
1242{ 1378{
1243 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
1244
1245 int base = ascent; // should be fbase, but that is incorrect
1246
1247 XGlyphInfo extents; 1379 XGlyphInfo extents;
1248 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1380 XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
1249 FcChar32 *ep = enc; 1381 XftGlyphSpec *ep = enc;
1250 int ewidth = 0; 1382
1251 int xoff = 0; 1383 dTermDisplay;
1384 dTermGC;
1385
1386 int w = term->fwidth * len;
1387 int h = term->fheight;
1388
1389 bool buffered = bg >= Color_transparent
1390 && term->option (Opt_buffered);
1391
1392 // cut trailing spaces
1393 while (len && text [len - 1] == ' ')
1394 len--;
1395
1396 int x_ = buffered ? 0 : x;
1397 int y_ = buffered ? 0 : y;
1252 1398
1253 while (len) 1399 while (len)
1254 { 1400 {
1255 int cwidth = r->TermWin.fwidth; 1401 int cwidth = term->fwidth;
1256 FcChar32 fc = *text++; len--; 1402 FcChar32 fc = *text++; len--;
1257 FT_UInt gl;
1258 1403
1259 while (len && *text == NOCHAR) 1404 while (len && *text == NOCHAR)
1260 text++, len--, cwidth += r->TermWin.fwidth; 1405 text++, len--, cwidth += term->fwidth;
1261
1262 gl = XftCharIndex (d.display->display, f, fc);
1263 XftGlyphExtents (d.display->display, f, &gl, 1, &extents);
1264 1406
1265 if (extents.xOff != cwidth && ep != enc) 1407 if (fc != ' ') // skip spaces
1266 {
1267 if (xoff > ewidth) xoff = ewidth;
1268 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1269 x + (ewidth - xoff >> 1),
1270 y + base, enc, ep - enc);
1271 x += ewidth;
1272
1273 ep = enc;
1274 ewidth = 0;
1275 xoff = 0;
1276 } 1408 {
1409 FT_UInt glyph = XftCharIndex (disp, f, fc);
1410 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1277 1411
1278 if (fc == ' ' && ep == enc) // skip leading spaces 1412 ep->glyph = glyph;
1413 ep->x = x_ + (cwidth - extents.xOff >> 1);
1414 ep->y = y_ + ascent;
1415
1416 if (extents.xOff == 0)
1417 ep->x = x_ + cwidth;
1418
1419 ep++;
1279 { 1420 }
1421
1280 x += cwidth; 1422 x_ += cwidth;
1281 continue; 1423 }
1424
1425 if (buffered)
1426 {
1427 if (ep != enc)
1282 } 1428 {
1429 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1283 1430
1431#ifdef HAVE_IMG
1432 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1433
1434 if (term->bg_img
1435 && (bg == Color_transparent || bg == Color_bg
1436 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1437 {
1438 int src_x = x, src_y = y;
1439
1440 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1441 {
1442 src_x += term->window_vt_x;
1443 src_y += term->window_vt_y;
1444 }
1445
1446 if (term->bg_img->w >= src_x + w
1447 && term->bg_img->h >= src_y + h)
1448 {
1449 XCopyArea (disp, term->bg_img->pm, d2, gc,
1450 src_x, src_y, w, h, 0, 0);
1451 }
1452 else
1453 {
1454 XGCValues gcv;
1455
1456 gcv.fill_style = FillTiled;
1457 gcv.tile = term->bg_img->pm;
1458 gcv.ts_x_origin = -src_x;
1459 gcv.ts_y_origin = -src_y;
1460
1461 XChangeGC (disp, gc,
1462 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1463 &gcv);
1464
1465 XFillRectangle (disp, d2, gc, 0, 0, w, h);
1466
1467 gcv.fill_style = FillSolid;
1468 XChangeGC (disp, gc, GCFillStyle, &gcv);
1469 }
1470
1471 if (dst)
1472 {
1473 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1474
1475 // dst can only be set when bg >= 0
1476 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1477 }
1478 }
1479 else
1480#endif
1481 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1482
1483 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1484 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1485 }
1284 else 1486 else
1285 { 1487 clear_rect (d, x, y, w, h, bg);
1286 *ep++ = gl;
1287 ewidth += cwidth;
1288 xoff += extents.xOff;
1289 }
1290 }
1291
1292 if (ep != enc)
1293 { 1488 }
1294 if (xoff > ewidth) xoff = ewidth; 1489 else
1295 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1296 x + (ewidth - xoff >> 1),
1297 y + base, enc, ep - enc);
1298 } 1490 {
1491 clear_rect (d, x, y, w, h, bg);
1492 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1493 }
1299} 1494}
1495
1300#endif 1496#endif
1301 1497
1302///////////////////////////////////////////////////////////////////////////// 1498/////////////////////////////////////////////////////////////////////////////
1303 1499
1304rxvt_fontset::rxvt_fontset (rxvt_t r) 1500rxvt_fontset::rxvt_fontset (rxvt_term *term)
1305: r (r), fontdesc (0) 1501: fontdesc (0), term (term)
1306{ 1502{
1307 clear (); 1503 clear ();
1308} 1504}
1309 1505
1310rxvt_fontset::~rxvt_fontset () 1506rxvt_fontset::~rxvt_fontset ()
… …
1313} 1509}
1314 1510
1315void 1511void
1316rxvt_fontset::clear () 1512rxvt_fontset::clear ()
1317{ 1513{
1318 prop.width = prop.height = prop.weight = prop.slant 1514 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1319 = rxvt_fontprop::unset; 1515 = rxvt_fontprop::unset;
1516 force_prop = false;
1320 1517
1321 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1518 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1322 FONT_UNREF (*i); 1519 (*i)->unref ();
1323 1520
1324 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1521 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1325 delete *p; 1522 delete *p;
1326 1523
1327 free (fontdesc); fontdesc = 0; 1524 free (fontdesc); fontdesc = 0;
… …
1329 fonts.clear (); 1526 fonts.clear ();
1330 1527
1331 fallback = fallback_fonts; 1528 fallback = fallback_fonts;
1332} 1529}
1333 1530
1531void
1532rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1533{
1534 font->set_term (term);
1535
1536 font->cs = cs;
1537 font->loaded = false;
1538}
1539
1334rxvt_font * 1540rxvt_font *
1335rxvt_fontset::new_font (const char *name, codeset cs) 1541rxvt_fontset::new_font (const char *name, codeset cs)
1336{ 1542{
1337 rxvt_font *f; 1543 rxvt_font *f;
1338 1544
1339 if (!name || !*name) 1545 if (!name || !*name)
1340 { 1546 {
1341 name = ""; 1547 name = "";
1342 f = new rxvt_font_default (this); 1548 f = new rxvt_font_default (this);
1343 } 1549 }
… …
1354 f = new rxvt_font_x11; 1560 f = new rxvt_font_x11;
1355 } 1561 }
1356 else 1562 else
1357 f = new rxvt_font_x11; 1563 f = new rxvt_font_x11;
1358 1564
1359 f->set_term (r);
1360 f->set_name (strdup (name)); 1565 f->set_name (strdup (name));
1361 1566 prepare_font (f, cs);
1362 f->cs = cs;
1363 f->loaded = false;
1364 1567
1365 return f; 1568 return f;
1366} 1569}
1367 1570
1368///////////////////////////////////////////////////////////////////////////// 1571/////////////////////////////////////////////////////////////////////////////
1572
1573void
1574rxvt_fontset::push_font (rxvt_font *font)
1575{
1576 // the fontCount index is reserved for the overflow font, it is only
1577 // necessary when we get fontCount or more fonts, as they cannot be
1578 // represented in the rendition.
1579 if (fonts.size () == fontCount)
1580 {
1581 rxvt_font *f = new rxvt_font_overflow (this);
1582
1583 prepare_font (f, CS_UNICODE);
1584 fonts.push_back (f);
1585 }
1586
1587 fonts.push_back (font);
1588}
1369 1589
1370void 1590void
1371rxvt_fontset::add_fonts (const char *desc) 1591rxvt_fontset::add_fonts (const char *desc)
1372{ 1592{
1373 if (desc) 1593 if (desc)
… …
1375 char buf[512]; 1595 char buf[512];
1376 const char *end; 1596 const char *end;
1377 1597
1378 do 1598 do
1379 { 1599 {
1380 while (*desc <= ' ') desc++; 1600 while (*desc && *desc <= ' ')
1601 desc++;
1381 1602
1382 codeset cs = CS_UNICODE; 1603 codeset cs = CS_UNICODE;
1383 1604
1384 if (*desc == '[') 1605 if (*desc == '[')
1385 { 1606 {
… …
1401 cs = codeset_from_name (spec + sizeof ("codeset=") - 1); 1622 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1402 else 1623 else
1403 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); 1624 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1404 1625
1405 desc++; 1626 desc++;
1406 while (*desc <= ' ') desc++; 1627 while (*desc <= ' ' && *desc) desc++;
1407 } 1628 }
1408 1629
1409 end = strchr (desc, ','); 1630 end = strchr (desc, ',');
1410 if (!end) 1631 if (!end)
1411 end = desc + strlen (desc); 1632 end = desc + strlen (desc);
1412 1633
1413 if (end - desc < 511) 1634 if (end - desc < 511)
1414 { 1635 {
1415 strncpy (buf, desc, end - desc); 1636 memcpy (buf, desc, end - desc);
1416 buf[end - desc] = 0; 1637 buf[end - desc] = 0;
1417 1638
1418 fonts.push_back (new_font (buf, cs)); 1639 push_font (new_font (buf, cs));
1419 } 1640 }
1420 else 1641 else
1421 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1642 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1422 1643
1423 desc = end + 1; 1644 desc = end + 1;
1424 } 1645 }
1425 while (*end); 1646 while (*end);
1426 } 1647 }
… …
1435 if (fonts[i]->loaded) 1656 if (fonts[i]->loaded)
1436 return true; 1657 return true;
1437 1658
1438 fonts[i]->loaded = true; 1659 fonts[i]->loaded = true;
1439 1660
1440 if (!fonts[i]->load (prop)) 1661 if (!fonts[i]->load (prop, force_prop))
1441 { 1662 {
1442 fonts[i]->cs = CS_UNKNOWN; 1663 fonts[i]->cs = CS_UNKNOWN;
1443 return false; 1664 return false;
1444 } 1665 }
1445 1666
… …
1451{ 1672{
1452 clear (); 1673 clear ();
1453 1674
1454 fontdesc = strdup (desc); 1675 fontdesc = strdup (desc);
1455 1676
1456 fonts.push_back (new_font (0, CS_UNICODE)); 1677 push_font (new_font (0, CS_UNICODE));
1457 realize_font (0); 1678 realize_font (0);
1458 1679
1459 add_fonts (desc); 1680 add_fonts (desc);
1460 1681
1461 return true; 1682 return true;
… …
1470 1691
1471 return -1; 1692 return -1;
1472} 1693}
1473 1694
1474int 1695int
1475rxvt_fontset::find_font (unicode_t unicode) 1696rxvt_fontset::find_font_idx (unicode_t unicode)
1476{ 1697{
1477 if (unicode >= 1<<20) 1698 if (unicode >= 1<<20)
1478 return 0; 1699 return 0;
1479 1700
1480 unicode_t hi = unicode >> 8; 1701 unicode_t hi = unicode >> 8;
… …
1495 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1716 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1496 goto next_font; 1717 goto next_font;
1497 1718
1498 if (!realize_font (i)) 1719 if (!realize_font (i))
1499 goto next_font; 1720 goto next_font;
1721
1722 if (prop.ascent != rxvt_fontprop::unset)
1723 max_it (f->ascent, prop.ascent);
1500 } 1724 }
1501 1725
1502 if (f->cs == CS_UNKNOWN) 1726 if (f->cs == CS_UNKNOWN)
1503 goto next_font; 1727 goto next_font;
1504 1728
1505 bool careful; 1729 bool careful;
1506 if (f->has_char (unicode, &prop, careful)) 1730 if (f->has_char (unicode, &prop, careful))
1507 { 1731 {
1508 if (careful) 1732 i = (i << 1) | careful;
1509 i |= 128;
1510 1733
1511 goto found; 1734 goto found;
1512 } 1735 }
1513 1736
1514 next_font: 1737 next_font:
1515 if (i == fonts.size () - 1) 1738 if (i == fonts.size () - 1)
1516 { 1739 {
1517 if (fallback->name) 1740 if (fallback->name)
1518 { 1741 {
1519 // search through the fallback list 1742 // search through the fallback list
1520 fonts.push_back (new_font (fallback->name, fallback->cs)); 1743 push_font (new_font (fallback->name, fallback->cs));
1521 fallback++; 1744 fallback++;
1522 } 1745 }
1523 else 1746 else
1524 { 1747 {
1525 // try to find a new font. 1748 // try to find a new font.
… …
1527 // way to configure this and xft is easier to hack in, 1750 // way to configure this and xft is easier to hack in,
1528 // while x11 has more framework in place already. 1751 // while x11 has more framework in place already.
1529 // TODO: this is a real resource hog, xft takes ages(?) 1752 // TODO: this is a real resource hog, xft takes ages(?)
1530#if XFT && USE_SLOW_LOOKUP 1753#if XFT && USE_SLOW_LOOKUP
1531 // grab the first xft font that seems suitable 1754 // grab the first xft font that seems suitable
1755 // TOOD: should go first for cellchar (spacing 110) then mono, then else
1532 FcPattern *p = FcPatternCreate (); 1756 FcPattern *p = FcPatternCreate ();
1533 1757
1534 FcCharSet *s = FcCharSetCreate (); 1758 FcCharSet *s = FcCharSetCreate ();
1535 FcCharSetAddChar (s, unicode); 1759 FcCharSetAddChar (s, unicode);
1536 FcPatternAddCharSet (p, FC_CHARSET, s); 1760 FcPatternAddCharSet (p, FC_CHARSET, s);
… …
1543 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1767 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1544 FcPatternAddBool (p, FC_MINSPACE, 1); 1768 FcPatternAddBool (p, FC_MINSPACE, 1);
1545 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1769 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1546 1770
1547 XftResult result; 1771 XftResult result;
1548 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1772 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1549 1773
1550 FcPatternDestroy (p); 1774 FcPatternDestroy (p);
1551 1775
1552 if (match) 1776 if (match)
1553 { 1777 {
… …
1556 FcPatternDestroy (match); 1780 FcPatternDestroy (match);
1557 1781
1558 if (find_font (font) < 0) 1782 if (find_font (font) < 0)
1559 { 1783 {
1560 char fontname[4096]; 1784 char fontname[4096];
1561 sprintf (fontname, "xft:%-.4090s", font); 1785 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1562 1786
1563 fonts.push_back (new_font (fontname, CS_UNICODE)); 1787 push_font (new_font (fontname, CS_UNICODE));
1564 } 1788 }
1565 1789
1566 free (font); 1790 free (font);
1567 } 1791 }
1568#endif 1792#endif
… …
1580 while (hi >= fmap.size ()) 1804 while (hi >= fmap.size ())
1581 fmap.push_back (0); 1805 fmap.push_back (0);
1582 1806
1583 if (!fmap[hi]) 1807 if (!fmap[hi])
1584 { 1808 {
1585 fmap[hi] = (pagemap *)new pagemap; 1809 fmap[hi] = new pagemap;
1586 memset (fmap[hi], 0xff, sizeof (pagemap)); 1810 memset (fmap[hi], 0xff, sizeof (pagemap));
1587 } 1811 }
1588 1812
1589 (*fmap[hi])[unicode & 0xff] = i; 1813 (*fmap[hi])[unicode & 0xff] = i;
1590 } 1814 }
1591 1815
1592 return i; 1816 return i;
1593} 1817}
1594 1818
1595
1596

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