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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.67 by root, Sat Feb 12 18:55:04 2005 UTC vs.
Revision 1.198 by root, Wed Jun 16 22:51:55 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: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 struct rxvt_fontset *fs; 268 struct rxvt_fontset *fs;
269 269
270 rxvt_font_default (rxvt_fontset *fs) 270 rxvt_font_default (rxvt_fontset *fs)
… …
276 rxvt_fontprop properties () 276 rxvt_fontprop properties ()
277 { 277 {
278 rxvt_fontprop p; 278 rxvt_fontprop p;
279 279
280 p.width = p.height = 1; 280 p.width = p.height = 1;
281 p.ascent = rxvt_fontprop::unset;
281 p.weight = rxvt_fontprop::medium; 282 p.weight = rxvt_fontprop::medium;
282 p.slant = rxvt_fontprop::roman; 283 p.slant = rxvt_fontprop::roman;
283 284
284 return p; 285 return p;
285 } 286 }
286 287
287 bool load (const rxvt_fontprop &prop) 288 bool load (const rxvt_fontprop &prop, bool force_prop)
288 { 289 {
289 width = 1; height = 1; 290 width = 1; height = 1;
290 ascent = 1; descent = 0; 291 ascent = 1; descent = 0;
291 292
292 set_name (strdup ("built-in support font")); 293 set_name (strdup ("built-in support font"));
293 294
294 return true; 295 return true;
295 } 296 }
296 297
297 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 298 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
298 { 299 {
299 careful = false; 300 careful = false;
300 301
301 if (unicode <= 0x001f) 302 if (unicode <= 0x001f)
302 return true; 303 return true;
… …
305 return false; 306 return false;
306 307
307 if (unicode <= 0x009f) 308 if (unicode <= 0x009f)
308 return true; 309 return true;
309 310
311#ifdef BUILTIN_GLYPHS
310 if (unicode >= 0x2500 && unicode <= 0x259f) 312 if (unicode >= 0x2500 && unicode <= 0x259f &&
313 !term->option (Opt_skipBuiltinGlyphs))
311 return true; 314 return true;
315#endif
312 316
313 if (IS_COMPOSE (unicode)) 317 if (IS_COMPOSE (unicode))
314 return true; 318 return true;
315 319
316 switch (unicode) 320 switch (unicode)
… …
331void 335void
332rxvt_font_default::draw (rxvt_drawable &d, int x, int y, 336rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
333 const text_t *text, int len, 337 const text_t *text, int len,
334 int fg, int bg) 338 int fg, int bg)
335{ 339{
336 Display *disp = d.display->display; 340 dTermDisplay;
341 dTermGC;
337 342
338 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 343 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
339 344
340 XSetForeground (disp, TGC, r->pix_colors[fg]); 345 XSetForeground (disp, gc, term->pix_colors[fg]);
341 346
342 while (len) 347 while (len)
343 { 348 {
344#if ENABLE_COMBINING 349#if ENABLE_COMBINING
345 compose_char *cc; 350 compose_char *cc;
… …
349 354
350 while (++text, --len && *text == NOCHAR) 355 while (++text, --len && *text == NOCHAR)
351 ; 356 ;
352 357
353 int width = text - tp; 358 int width = text - tp;
354 int fwidth = r->TermWin.fwidth * width; 359 int fwidth = term->fwidth * width;
355 360
361#ifdef BUILTIN_GLYPHS
356 if (0x2500 <= t && t <= 0x259f) 362 if (0x2500 <= t && t <= 0x259f)
357 { 363 {
364# include "table/linedraw.h"
358 uint16_t offs = linedraw_offs[t - 0x2500]; 365 uint16_t offs = linedraw_offs[t - 0x2500];
359 uint32_t *a = linedraw_command + (offs >> 4); 366 uint32_t *a = linedraw_command + (offs >> 4);
360 uint32_t *b = a + (offs & 15); 367 uint32_t *b = a + (offs & 15);
361 368
362 int W = fwidth; 369 int W = fwidth;
363 int H = r->TermWin.fheight; 370 int H = term->fheight;
364 371
365 int x_[16]; 372 int x_[16];
366 int y_[16]; 373 int y_[16];
367 374
368 for (int i = 0; i <= 8; i++) 375 for (int i = 0; i <= 8; i++)
… …
376 383
377 XGCValues gcv; 384 XGCValues gcv;
378 385
379 gcv.cap_style = CapButt; 386 gcv.cap_style = CapButt;
380 gcv.line_width = 0; 387 gcv.line_width = 0;
381 XChangeGC (disp, TGC, GCLineWidth | GCCapStyle, &gcv); 388 XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
382 389
383 while (a < b) 390 while (a < b)
384 { 391 {
385 uint32_t command = *a++; 392 uint32_t command = *a++;
386 393
… …
393 int y2 = y_[(command >> 0) & 15]; 400 int y2 = y_[(command >> 0) & 15];
394 401
395 switch (op) 402 switch (op)
396 { 403 {
397 case 0: // line 404 case 0: // line
398 XDrawLine (disp, d, TGC, x1, y1, x2, y2); 405 XDrawLine (disp, d, gc, x1, y1, x2, y2);
399 break; 406 break;
400 407
401 case 1: // rectangle, possibly stippled 408 case 1: // rectangle, possibly stippled
402 if (a) 409 if (a)
403 { 410 {
404 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 411 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
405 412
406 gcv.fill_style = FillStippled; 413 gcv.fill_style = FillStippled;
407 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2); 414 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
408 gcv.ts_x_origin = x; 415 gcv.ts_x_origin = x;
409 gcv.ts_y_origin = y; 416 gcv.ts_y_origin = y;
410 417
411 XChangeGC (disp, TGC, 418 XChangeGC (disp, gc,
412 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 419 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
413 &gcv); 420 &gcv);
414 } 421 }
415 422
416 XFillRectangle (disp, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); 423 XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
417 424
418 if (a) 425 if (a)
419 { 426 {
420 XFreePixmap (disp, gcv.stipple); 427 XFreePixmap (disp, gcv.stipple);
421 gcv.stipple = 0; 428 gcv.stipple = 0;
422 gcv.fill_style = FillSolid; 429 gcv.fill_style = FillSolid;
423 XChangeGC (disp, TGC, GCFillStyle, &gcv); 430 XChangeGC (disp, gc, GCFillStyle, &gcv);
424 } 431 }
425 break; 432 break;
426 case 2: // arc 433 case 2: // arc
427 XDrawArc (disp, d, TGC, 434 XDrawArc (disp, d, gc,
428 x1 - W/2, y1 - H/2, W-1, H-1, 435 x1 - W/2, y1 - H/2, W-1, H-1,
429 (a - 1) * 90*64, (b - 1) * 90*64); 436 (a - 1) * 90*64, (b - 1) * 90*64);
430 break; 437 break;
431 } 438 }
432 } 439 }
433 } 440 }
441#else
442 if (0)
443 ;
444#endif
434#if ENABLE_COMBINING 445#if ENABLE_COMBINING
435 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 446 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
436 { 447 {
448 min_it (width, 2); // we only support wcwidth up to 2
449
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}
496
497struct rxvt_font_overflow : rxvt_font {
498 struct rxvt_fontset *fs;
499
500 rxvt_font_overflow (rxvt_fontset *fs)
501 : rxvt_font ()
502 {
503 this->fs = fs;
504 }
505
506 rxvt_fontprop properties ()
507 {
508 rxvt_fontprop p;
509
510 p.width = p.height = 1;
511 p.ascent = rxvt_fontprop::unset;
512 p.weight = rxvt_fontprop::medium;
513 p.slant = rxvt_fontprop::roman;
514
515 return p;
516 }
517
518 bool load (const rxvt_fontprop &prop, bool force_prop)
519 {
520 width = 1; height = 1;
521 ascent = 1; descent = 0;
522
523 set_name (strdup ("built-in rendition overflow font"));
524
525 return true;
526 }
527
528 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
529 {
530 return false;
531 }
532
533 void draw (rxvt_drawable &d, int x, int y,
534 const text_t *text, int len,
535 int fg, int bg)
536 {
537 while (len)
538 {
539 int fid = fs->find_font_idx (*text);
540 int w = 1;
541 while (w < len && text[w] == NOCHAR)
542 w++;
543 (*fs)[fid]->draw (d, x, y, text, w, fg, bg);
544 text += w;
545 len -= w;
546 x += term->fwidth * w;
547 }
548 }
549};
475 550
476///////////////////////////////////////////////////////////////////////////// 551/////////////////////////////////////////////////////////////////////////////
477 552
478struct rxvt_font_x11 : rxvt_font { 553struct rxvt_font_x11 : rxvt_font {
479 rxvt_font_x11 () { f = 0; } 554 rxvt_font_x11 () { f = 0; }
480 555
481 void clear (); 556 void clear ();
482 557
483 rxvt_fontprop properties (); 558 rxvt_fontprop properties ();
484 559
485 bool load (const rxvt_fontprop &prop); 560 bool load (const rxvt_fontprop &prop, bool force_prop);
486 561
487 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful); 562 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
488 563
489 void draw (rxvt_drawable &d, int x, int y, 564 void draw (rxvt_drawable &d, int x, int y,
490 const text_t *text, int len, 565 const text_t *text, int len,
491 int fg, int bg); 566 int fg, int bg);
492 567
493 bool slow; // wether this is a proportional font or has other funny characteristics 568 bool slow; // whether this is a proportional font or has other funny characteristics
494 XFontStruct *f; 569 XFontStruct *f;
495 codeset cs;
496 bool enc2b, encm; 570 bool enc2b, encm;
497 571
498 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 572 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); 573 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); 574 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
501 bool set_properties (rxvt_fontprop &p, const char *name); 575 bool set_properties (rxvt_fontprop &p, const char *name);
502}; 576};
503 577
504char * 578char *
505rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 579rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
506{ 580{
507 unsigned long value; 581 unsigned long value;
508 582
509 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 583 if (XGetFontProperty (f, property, &value))
510 return XGetAtomName (DISPLAY, value); 584 return XGetAtomName (term->dpy, value);
511 else 585 else
512 return rxvt_strdup (repl); 586 return repl ? strdup (repl) : 0;
513} 587}
514 588
515rxvt_fontprop 589rxvt_fontprop
516rxvt_font_x11::properties () 590rxvt_font_x11::properties ()
517{ 591{
… …
521} 595}
522 596
523bool 597bool
524rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 598rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
525{ 599{
526 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 600 p.width = width != rxvt_fontprop::unset ? width
601 : avgwidth ? (avgwidth + 1) / 10
602 : (height + 1) / 2;
527 p.height = height; 603 p.height = height;
604 p.ascent = rxvt_fontprop::unset;
528 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 605 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; 606 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
530 607
531 return true; 608 return true;
532} 609}
… …
535rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 612rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
536{ 613{
537 unsigned long height; 614 unsigned long height;
538 615
539#if 0 616#if 0
540 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 617 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
541 return false; 618 return false;
542#else 619#else
543 height = f->ascent + f->descent; 620 height = f->ascent + f->descent;
544#endif 621#endif
545 622
546 unsigned long avgwidth; 623 unsigned long avgwidth;
547 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 624 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
548 avgwidth = 0; 625 avgwidth = 0;
549 626
550 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 627 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
551 char *slant = get_property (f, "SLANT", "r"); 628 char *slant = get_property (f, term->xa [XA_SLANT], "r");
552 629
553 set_properties (p, height, weight, slant, avgwidth); 630 set_properties (p, height, weight, slant, avgwidth);
554 631
555 free (weight); 632 free (weight);
556 free (slant); 633 free (slant);
557 634
635 p.ascent = f->ascent;
636
558 return true; 637 return true;
559} 638}
560 639
561bool 640bool
562rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) 641rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
563{ 642{
643 dTermDisplay;
564 int slashes = 0; 644 int slashes = 0;
565 const char *comp[13]; 645 const char *comp[13];
566 646
567 for (const char *c = name; *c; c++) 647 for (const char *c = name; *c; c++)
568 if (*c == '-') 648 if (*c == '-')
… …
576 if (slashes >= 13 656 if (slashes >= 13
577 && (*comp[ 6] >= '1' && *comp[ 6] <= '9') 657 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
578 && (*comp[11] >= '0' && *comp[11] <= '9')) 658 && (*comp[11] >= '0' && *comp[11] <= '9'))
579 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); 659 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
580 660
581 XFontStruct *f = XLoadQueryFont (DISPLAY, name); 661 XFontStruct *f = XLoadQueryFont (disp, name);
582 662
583 if (f) 663 if (f)
584 { 664 {
585 // the font should really exist now. if not, we have a problem 665 // 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). 666 // (e.g. if the user did xset fp rehash just when we were searching fonts).
587 // in that case, just return garbage. 667 // in that case, just return garbage.
588 bool ret = set_properties (p, f); 668 bool ret = set_properties (p, f);
589 XFreeFont (DISPLAY, f); 669 XFreeFont (disp, f);
590 return ret; 670 return ret;
591 } 671 }
592 else 672 else
593 return false; 673 return false;
594} 674}
595 675
596// fix the size of scalable fonts 676// fix the size of scalable fonts
597static bool 677static bool
598replace_field (char *buf, const char *name, int index, const char old, const char *replace) 678replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
599{ 679{
600 int slashes = 0; 680 int slashes = 0;
601 const char *field, *end; 681 const char *field, *end;
602 682
603 for (const char *c = name; *c; c++) 683 for (const char *c = name; *c; c++)
… …
613 break; 693 break;
614 } 694 }
615 695
616 if (slashes >= 13 && (!old || *field == old)) 696 if (slashes >= 13 && (!old || *field == old))
617 { 697 {
618 // TODO: check for overflow in font-name 698 size_t len = field - name;
619 strncpy (buf, name, field - name); 699 *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
620 buf += field - name; 700 memcpy (*ptr, name, len);
621 strcpy (buf, replace); 701 strcpy (*ptr + len, replace);
622 strcat (buf, end); 702 strcat (*ptr, end);
623 703
624 return true; 704 return true;
625 } 705 }
626 else 706 else
627 { 707 {
628 strcpy (buf, name); 708 *ptr = strdup (name);
629 709
630 return false; 710 return false;
631 } 711 }
632} 712}
633 713
634bool 714bool
635rxvt_font_x11::load (const rxvt_fontprop &prop) 715rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
636{ 716{
637 Display *disp = DISPLAY; 717 dTermDisplay;
638 718
639 clear (); 719 clear ();
640 720
641 char field_str[64]; // enough for 128 bits 721 char field_str[64]; // enough for 128 bits
642 722
643 // first morph the font if required 723 // first morph the font if required
644 if (prop.weight != rxvt_fontprop::unset 724 if (force_prop)
645 || prop.slant != rxvt_fontprop::unset)
646 { 725 {
647 char fname[1024]; 726 char *fname;
648 727
649 if (name[0] != '-') 728 if (name[0] != '-')
650 { 729 {
651 f = XLoadQueryFont (disp, name); 730 f = XLoadQueryFont (disp, name);
652 731
653 if (!f) 732 if (!f)
654 return false; 733 return false;
655 734
656 char *new_name = get_property (f, "FONT", name); 735 char *new_name = get_property (f, XA_FONT, 0);
657 736
658 if (new_name) 737 if (new_name)
659 set_name (new_name); 738 set_name (new_name);
660 else 739 else
661 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 740 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
662 741
663 XFreeFont (disp, f); 742 XFreeFont (disp, f);
664 f = 0; 743 f = 0;
665 } 744 }
666 745
667 if (prop.weight != rxvt_fontprop::unset) 746 if (prop.weight != rxvt_fontprop::unset)
668 { 747 {
669 replace_field (fname, name, 2, 0, 748 replace_field (&fname, name, 2, 0,
670 prop.weight < rxvt_fontprop::bold 749 prop.weight < rxvt_fontprop::bold
671 ? "medium" : "bold"); 750 ? "medium" : "bold");
672 set_name (strdup (fname)); 751 set_name (fname);
673 } 752 }
674 753
675 if (prop.slant != rxvt_fontprop::unset) 754 if (prop.slant != rxvt_fontprop::unset)
676 { 755 {
677 replace_field (fname, name, 3, 0, 756 replace_field (&fname, name, 3, 0,
678 prop.slant < rxvt_fontprop::italic 757 prop.slant < rxvt_fontprop::italic
679 ? "r" : "i"); // TODO: handle "o"blique, too 758 ? "r" : "i"); // TODO: handle "o"blique, too
680 set_name (strdup (fname)); 759 set_name (fname);
681 } 760 }
682 } 761 }
683 762
684 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 763 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
685 ? 0 : prop.height); 764 ? 0 : prop.height);
… …
710 font_weight *fonts = new font_weight[count]; 789 font_weight *fonts = new font_weight[count];
711 790
712 for (int i = 0; i < count; i++) 791 for (int i = 0; i < count; i++)
713 { 792 {
714 rxvt_fontprop p; 793 rxvt_fontprop p;
715 char fname[1024]; 794 char *fname;
716 795
717 int diff = 0; 796 int diff = 0;
718 797
719 if (replace_field (fname, list[i], 6, '0', field_str)) 798 if (replace_field (&fname, list[i], 6, '0', field_str))
720 diff += 10; // slightly penalize scalable fonts 799 diff += 10; // slightly penalize scalable fonts
800 else
801 {
802 free (fname);
803 if (replace_field (&fname, list[i], 11, '0', "0"))
804 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
805 }
721 806
722 if (!set_properties (p, fname)) 807 if (!set_properties (p, fname)
808 // also weed out too large fonts
809 || (prop.height != rxvt_fontprop::unset
810 && p.height > prop.height))
811 {
812 free (fname);
723 continue; 813 continue;
724 814 }
725 if (prop.height != rxvt_fontprop::unset
726 && p.height > prop.height) // weed out too large fonts
727 continue;
728 815
729 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 816 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); 817 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); 818 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); 819 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
733 820
734 fonts[i].name = strdup (fname); 821 fonts[i].name = fname;
735 fonts[i].diff = diff; 822 fonts[i].diff = diff;
736 } 823 }
737 824
738 XFreeFontNames (list); 825 XFreeFontNames (list);
739 826
740 // this loop only iterates when the guessed font-size is too small 827 // this loop only iterates when the guessed font-size is too small
741 for (;;) 828 for (;;)
742 { 829 {
743 font_weight *best = fonts + count - 1; 830 font_weight *best = fonts;
744 831
745 for (font_weight *w = best; w-- > fonts; ) 832 for (font_weight *w = fonts + 1; w < fonts + count; w++)
746 if (w->diff < best->diff) 833 if (w->diff < best->diff)
747 best = w; 834 best = w;
748 835
749 if (!best->name 836 if (!best->name
750 || !(f = XLoadQueryFont (disp, best->name))) 837 || !(f = XLoadQueryFont (disp, best->name)))
… …
768 delete [] fonts; 855 delete [] fonts;
769 856
770 if (!f) 857 if (!f)
771 return false; 858 return false;
772 859
773 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 860 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
774 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 861 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
862
863 cs = CS_UNKNOWN;
775 864
776 if (registry && encoding) 865 if (registry && encoding)
777 { 866 {
778 char charset[64]; 867 char charset[64];
779 snprintf (charset, 64, "%s-%s", registry, encoding); 868 snprintf (charset, 64, "%s-%s", registry, encoding);
780 869
781 cs = codeset_from_name (charset); 870 cs = codeset_from_name (charset);
782 } 871
783 else 872 if (cs == CS_UNKNOWN)
873 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
784 { 874 }
875
876 free (registry);
877 free (encoding);
878
879 if (cs == CS_UNKNOWN)
880 {
785 const char *charset = get_property (f, "FONT", 0); 881 char *value = get_property (f, XA_FONT, 0);
882 const char *charset = value;
786 883
787 if (!charset) 884 if (!charset)
788 charset = name; 885 charset = name;
789 886
790 int count = 13; 887 int count = 13;
791 while (*charset) 888 while (*charset)
792 if (*charset++ == '-' && !--count) 889 if (*charset++ == '-' && !--count)
793 break; 890 break;
794 891
795 cs = codeset_from_name (charset); 892 cs = codeset_from_name (charset);
893 if (cs == CS_UNKNOWN)
894 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
895
896 free (value);
897 }
898
899 if (cs == CS_UNKNOWN)
796 } 900 {
797 901 clear ();
798 free (registry); 902 return false;
799 free (encoding); 903 }
800 904
801 if (cs == CS_UNICODE) 905 if (cs == CS_UNICODE)
802 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 906 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
803 907
804 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 908 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
805 enc2b = encm || f->max_char_or_byte2 > 255; 909 enc2b = encm || f->max_char_or_byte2 > 255;
806 910
807 slow = false; 911 slow = false;
808 912
809#if 1 // only used for slow detection, TODO optimize 913#if 1 // only used for slow detection, TODO optimize
810 if (f->min_bounds.width == f->max_bounds.width) 914 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; 915 width = f->max_bounds.width;
814 else 916 else
815 { 917 {
816 slow = true; 918 slow = true;
817 919
818 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 920 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
819 921
820 if (encm) 922 if (encm)
821 N += (f->max_byte1 - f->min_byte1) 923 N += (f->max_byte1 - f->min_byte1)
822 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); 924 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
823 925
824 while (N) 926 while (N)
825 { 927 {
826 if (f->per_char[N].width > width) 928 if (f->per_char[N].width > width)
827 width = f->per_char[N].width; 929 width = f->per_char[N].width;
828 930
… …
831 } 933 }
832#endif 934#endif
833 935
834 width = 1; 936 width = 1;
835 937
836 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 938 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
837 { 939 {
838 if (cs != CS_UNICODE
839 && *t > 0x100
840 && FROM_UNICODE (cs, *t) == NOCHAR) 940 if (FROM_UNICODE (cs, *t) == NOCHAR)
841 continue; 941 continue;
842 942
843 // ignore characters we wouldn't use anyways 943 // ignore characters we wouldn't use anyways
844 bool careful; 944 bool careful;
845 if (!has_char (*t, &prop, careful)) 945 if (!has_char (*t, &prop, careful))
846 continue; 946 continue;
847 947
848 XChar2b ch = { *t >> 8, *t }; 948 // the casts are needed in C++11 (see 8.5.1)
949 XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t };
849 950
850 XCharStruct g; 951 XCharStruct g;
851 int dir_ret, asc_ret, des_ret; 952 int dir_ret, asc_ret, des_ret;
852 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 953 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
853 954
854 int wcw = wcwidth (*t); if (wcw > 0) g.width = g.width / wcw; 955 int wcw = WCWIDTH (*t);
956 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
855 957
856 if (width < g.width) width = g.width; 958 if (width < g.width) width = g.width;
857 }
858
859 if (cs == CS_UNKNOWN)
860 { 959 }
861 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
862 960
961#if 0 // do it per-character
962 if (prop && width > prop->width)
963 {
863 clear (); 964 clear ();
864 return false; 965 return false;
865 } 966 }
866
867#if 0 // do it per-character
868 if (prop && width > prop->width)
869 {
870 clear ();
871 return false;
872 }
873#endif 967#endif
874 968
875 return true; 969 return true;
876} 970}
877 971
878void 972void
879rxvt_font_x11::clear () 973rxvt_font_x11::clear ()
880{ 974{
881 if (f) 975 if (f)
882 { 976 {
883 XFreeFont (DISPLAY, f); 977 XFreeFont (term->dpy, f);
884 f = 0; 978 f = 0;
885 } 979 }
886} 980}
887 981
888bool 982bool
889rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 983rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
890{ 984{
985 careful = false;
986
891 uint32_t ch = FROM_UNICODE (cs, unicode); 987 uint32_t ch = FROM_UNICODE (cs, unicode);
892 988
893 if (ch == NOCHAR) 989 if (ch == NOCHAR)
894 return false; 990 return false;
895 991
896 /* check wether the character exists in _this_ font. horrible. */ 992 /* check whether the character exists in _this_ font. horrible. */
897 XCharStruct *xcs; 993 XCharStruct *xcs;
898 994
899 if (encm) 995 if (encm)
900 { 996 {
901 unsigned char byte1 = ch >> 8; 997 unsigned char byte1 = ch >> 8;
… …
931 return false; 1027 return false;
932 1028
933 if (!prop || prop->width == rxvt_fontprop::unset) 1029 if (!prop || prop->width == rxvt_fontprop::unset)
934 return true; 1030 return true;
935 1031
936 // check character against base font bounding box 1032 // check whether character overlaps previous/next character
937 int w = xcs->width; 1033 int w = xcs->rbearing - xcs->lbearing;
938 int wcw = wcwidth (unicode); 1034 int wcw = max (WCWIDTH (unicode), 1);
939 if (wcw > 0) w /= wcw;
940 1035
941 careful = w > prop->width; 1036 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
942 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1037
1038 if (careful && !OVERLAP_OK (w, wcw, prop))
943 return false; 1039 return false;
944 1040
945 return true; 1041 return true;
946} 1042}
947 1043
… …
953 // this looks like a mess /. 1049 // this looks like a mess /.
954 // and it is a mess /. 1050 // and it is a mess /.
955 // yet we are trying to be perfect /. 1051 // yet we are trying to be perfect /.
956 // but the result still isn't perfect /. 1052 // but the result still isn't perfect /.
957 1053
1054 dTermDisplay;
1055 dTermGC;
1056
958 bool slow = this->slow 1057 bool slow = this->slow
959 || width != r->TermWin.fwidth 1058 || width != term->fwidth
960 || height != r->TermWin.fheight; 1059 || height != term->fheight
1060 || ascent != f->ascent;
961 1061
962 int base = ascent; // sorry, incorrect: r->TermWin.fbase; 1062 int base = ascent; // sorry, incorrect: term->fbase;
963 1063
964 XGCValues v; 1064 XGCValues v;
965 v.foreground = r->pix_colors[fg]; 1065 v.foreground = term->pix_colors[fg];
966 v.font = f->fid; 1066 v.font = f->fid;
967 1067
968 if (enc2b) 1068 if (enc2b)
969 { 1069 {
970 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 1070 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
971 1071
972 if (bg == Color_bg && !slow) 1072 if (bg == Color_bg && !slow)
973 { 1073 {
974 v.background = r->pix_colors[bg]; 1074 v.background = term->pix_colors[bg];
975 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1075 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
976 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 1076 XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
977 } 1077 }
978 else 1078 else
979 { 1079 {
980 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1080 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
981 1081
982 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1082 XChangeGC (disp, gc, GCForeground | GCFont, &v);
983 1083
984 if (slow) 1084 if (slow)
985 { 1085 {
986 do 1086 do
987 { 1087 {
988 if (xc->byte1 || xc->byte2) 1088 if (xc->byte1 || xc->byte2)
989 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 1089 XDrawString16 (disp, d, gc, x, y + base, xc, 1);
990 1090
991 x += r->TermWin.fwidth; 1091 x += term->fwidth;
992 xc++; len--; 1092 xc++; len--;
993 } 1093 }
994 while (len); 1094 while (len);
995 } 1095 }
996 else 1096 else
997 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); 1097 XDrawString16 (disp, d, gc, x, y + base, xc, len);
998 } 1098 }
999 } 1099 }
1000 else 1100 else
1001 { 1101 {
1002 const char *xc = enc_char (text, len, cs, slow); 1102 const char *xc = enc_char (text, len, cs, slow);
1003 1103
1004 if (bg == Color_bg && !slow) 1104 if (bg == Color_bg && !slow)
1005 { 1105 {
1006 v.background = r->pix_colors[bg]; 1106 v.background = term->pix_colors[bg];
1007 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1107 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
1008 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1108 XDrawImageString (disp, d, gc, x, y + base, xc, len);
1009 } 1109 }
1010 else 1110 else
1011 { 1111 {
1012 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1112 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
1013 1113
1014 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1114 XChangeGC (disp, gc, GCForeground | GCFont, &v);
1015 1115
1016 if (slow) 1116 if (slow)
1017 { 1117 {
1018 do 1118 do
1019 { 1119 {
1020 if (*xc) 1120 if (*xc)
1021 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1121 XDrawString (disp, d, gc, x, y + base, xc, 1);
1022 1122
1023 x += r->TermWin.fwidth; 1123 x += term->fwidth;
1024 xc++; len--; 1124 xc++; len--;
1025 } 1125 }
1026 while (len); 1126 while (len);
1027 } 1127 }
1028 else 1128 else
1029 XDrawString (d.display->display, d, TGC, x, y + base, xc, len); 1129 XDrawString (disp, d, gc, x, y + base, xc, len);
1030 } 1130 }
1031 } 1131 }
1032} 1132}
1033 1133
1034///////////////////////////////////////////////////////////////////////////// 1134/////////////////////////////////////////////////////////////////////////////
… …
1040 1140
1041 void clear (); 1141 void clear ();
1042 1142
1043 rxvt_fontprop properties (); 1143 rxvt_fontprop properties ();
1044 1144
1045 bool load (const rxvt_fontprop &prop); 1145 bool load (const rxvt_fontprop &prop, bool force_prop);
1046 1146
1047 void draw (rxvt_drawable &d, int x, int y, 1147 void draw (rxvt_drawable &d, int x, int y,
1048 const text_t *text, int len, 1148 const text_t *text, int len,
1049 int fg, int bg); 1149 int fg, int bg);
1050 1150
1051 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull); 1151 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
1052 1152
1053protected: 1153protected:
1054 XftFont *f; 1154 XftFont *f;
1055}; 1155};
1056 1156
1057void 1157void
1058rxvt_font_xft::clear () 1158rxvt_font_xft::clear ()
1059{ 1159{
1060 if (f) 1160 if (f)
1061 { 1161 {
1062 XftFontClose (DISPLAY, f); 1162 XftFontClose (term->dpy, f);
1063 f = 0; 1163 f = 0;
1064 } 1164 }
1065} 1165}
1066 1166
1067rxvt_fontprop 1167rxvt_fontprop
… …
1071 1171
1072 FT_Face face = XftLockFace (f); 1172 FT_Face face = XftLockFace (f);
1073 1173
1074 p.width = width; 1174 p.width = width;
1075 p.height = height; 1175 p.height = height;
1176 p.ascent = ascent;
1076 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD 1177 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
1077 ? rxvt_fontprop::bold : rxvt_fontprop::medium; 1178 ? rxvt_fontprop::bold : rxvt_fontprop::medium;
1078 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC 1179 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
1079 ? rxvt_fontprop::italic : rxvt_fontprop::roman; 1180 ? rxvt_fontprop::italic : rxvt_fontprop::roman;
1080 1181
… …
1082 1183
1083 return p; 1184 return p;
1084} 1185}
1085 1186
1086bool 1187bool
1087rxvt_font_xft::load (const rxvt_fontprop &prop) 1188rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
1088{ 1189{
1089 Display *disp = DISPLAY; 1190 dTermDisplay;
1090 1191
1091 clear (); 1192 clear ();
1092 1193
1093 FcPattern *p = FcNameParse ((FcChar8 *) name); 1194 FcPattern *p = FcNameParse ((FcChar8 *) name);
1094 1195
… …
1096 return false; 1197 return false;
1097 1198
1098 FcValue v; 1199 FcValue v;
1099 1200
1100 if (prop.height != rxvt_fontprop::unset 1201 if (prop.height != rxvt_fontprop::unset
1101 || (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1202 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1102 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1203 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1103 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1204 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1104 1205
1105 if (prop.weight != rxvt_fontprop::unset 1206 if (prop.weight != rxvt_fontprop::unset
1106 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1207 && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
1107 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1208 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1108 1209
1109 if (prop.slant != rxvt_fontprop::unset 1210 if (prop.slant != rxvt_fontprop::unset
1110 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1211 && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
1111 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1212 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1112 1213
1113#if 0 // clipping unfortunately destroys our precious double-width-characters 1214#if 0 // clipping unfortunately destroys our precious double-width-characters
1114 // clip width, we can't do better, or can we? 1215 // clip width, we can't do better, or can we?
1115 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1216 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1116 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1217 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1117#endif 1218#endif
1118 1219
1119 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1220 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1120 FcPatternAddBool (p, FC_MINSPACE, 1); 1221 FcPatternAddBool (p, FC_MINSPACE, 1);
1121 1222
1122 // store generated name so iso14755 view gives better results 1223 // store generated name so iso14755 view gives better results
1123 set_name ((char *)FcNameUnparse (p)); 1224 set_name ((char *)FcNameUnparse (p));
1124 1225
1125 XftResult result; 1226 XftResult result;
1126 FcPattern *match = XftFontMatch (disp, r->display->screen, p, &result); 1227 FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
1127 1228
1128 FcPatternDestroy (p); 1229 FcPatternDestroy (p);
1129 1230
1130 if (!match) 1231 if (!match)
1131 return false; 1232 return false;
… …
1133 int ftheight = 0; 1234 int ftheight = 0;
1134 bool success = true; 1235 bool success = true;
1135 1236
1136 for (;;) 1237 for (;;)
1137 { 1238 {
1239 p = FcPatternDuplicate (match);
1138 f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); 1240 f = XftFontOpenPattern (disp, p);
1139 1241
1140 if (!f) 1242 if (!f)
1141 { 1243 {
1244 FcPatternDestroy (p);
1142 success = false; 1245 success = false;
1143 break; 1246 break;
1144 } 1247 }
1145 1248
1146 FT_Face face = XftLockFace (f); 1249 FT_Face face = XftLockFace (f);
… …
1152 1255
1153 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; 1256 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
1154 1257
1155 XftUnlockFace (f); 1258 XftUnlockFace (f);
1156 1259
1157 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1260 int glheight = height;
1261
1262 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1158 { 1263 {
1159 FcChar16 ch = *t; 1264 FcChar16 ch = *t;
1160 1265
1161 if (cs != CS_UNICODE 1266 if (cs != CS_UNICODE
1162 && ch > 0x100 1267 && ch > 0x100
… …
1169 continue; 1274 continue;
1170 1275
1171 XGlyphInfo g; 1276 XGlyphInfo g;
1172 XftTextExtents16 (disp, f, &ch, 1, &g); 1277 XftTextExtents16 (disp, f, &ch, 1, &g);
1173 1278
1279 g.width -= g.x;
1280
1174 int wcw = wcwidth (ch); 1281 int wcw = WCWIDTH (ch);
1175 if (wcw > 0) g.width = g.width / wcw; 1282 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1176 1283
1177 if (width < g.width) width = g.width; 1284 if (width < g.width ) width = g.width;
1178 if (height < g.height) height = g.height; 1285 if (height < g.height ) height = g.height;
1286 if (glheight < g.height - g.y) glheight = g.height - g.y;
1287 }
1288
1289 if (!width)
1290 {
1291 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name);
1292
1293 XftFontClose (disp, f);
1294 f = 0;
1295
1296 success = false;
1297 break;
1179 } 1298 }
1180 1299
1181 if (prop.height == rxvt_fontprop::unset 1300 if (prop.height == rxvt_fontprop::unset
1182 || height <= prop.height 1301 || (height <= prop.height && glheight <= prop.height)
1183 || height <= 2 1302 || height <= 2
1184 || !scalable) 1303 || !scalable)
1185 break; 1304 break;
1186 1305
1187 if (ftheight) 1306 if (ftheight)
… …
1194 ftheight -= height - prop.height; 1313 ftheight -= height - prop.height;
1195 } 1314 }
1196 else 1315 else
1197 ftheight = prop.height - 1; 1316 ftheight = prop.height - 1;
1198 1317
1199 XftFontClose (disp, f); 1318 XftFontClose (disp, f);
1200 FcPatternDel (match, FC_PIXEL_SIZE); 1319 FcPatternDel (match, FC_PIXEL_SIZE);
1201 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); 1320 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
1202 } 1321 }
1203 1322
1204 FcPatternDestroy (match); 1323 FcPatternDestroy (match);
1205 1324
1206#if 0 // do it per-character 1325#if 0 // do it per-character
… …
1213 1332
1214 return success; 1333 return success;
1215} 1334}
1216 1335
1217bool 1336bool
1218rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 1337rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1219{ 1338{
1220 careful = false; 1339 careful = false;
1221 1340
1222 if (!XftCharExists (DISPLAY, f, unicode)) 1341 if (!XftCharExists (term->dpy, f, unicode))
1223 return false; 1342 return false;
1224 1343
1225 if (!prop || prop->width == rxvt_fontprop::unset) 1344 if (!prop || prop->width == rxvt_fontprop::unset)
1226 return true; 1345 return true;
1227 1346
1228 // check character against base font bounding box 1347 // check character against base font bounding box
1229 FcChar32 ch = unicode; 1348 FcChar32 ch = unicode;
1230 XGlyphInfo g; 1349 XGlyphInfo g;
1231 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1350 XftTextExtents32 (term->dpy, f, &ch, 1, &g);
1232 1351
1233 int w = g.width; 1352 int w = g.width - g.x;
1234 int wcw = wcwidth (unicode); 1353 int wcw = max (WCWIDTH (unicode), 1);
1235 if (wcw > 0) w /= wcw;
1236 1354
1237 careful = w > prop->width; 1355 careful = g.x > 0 || w > prop->width * wcw;
1238 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1356
1357 if (careful && !OVERLAP_OK (w, wcw, prop))
1358 return false;
1359
1360 // this weeds out _totally_ broken fonts, or glyphs
1361 if (!OVERLAP_OK (g.xOff, wcw, prop))
1239 return false; 1362 return false;
1240 1363
1241 return true; 1364 return true;
1242} 1365}
1243 1366
1244void 1367void
1245rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1368rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1246 const text_t *text, int len, 1369 const text_t *text, int len,
1247 int fg, int bg) 1370 int fg, int bg)
1248{ 1371{
1249 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
1250
1251 int base = ascent; // should be fbase, but that is incorrect
1252
1253 XGlyphInfo extents; 1372 XGlyphInfo extents;
1254 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1373 XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
1255 FcChar32 *ep = enc; 1374 XftGlyphSpec *ep = enc;
1256 int ewidth = 0; 1375
1257 int xoff = 0; 1376 dTermDisplay;
1377 dTermGC;
1378
1379 int w = term->fwidth * len;
1380 int h = term->fheight;
1381
1382 bool buffered = bg >= Color_transparent
1383 && term->option (Opt_buffered);
1384
1385 // cut trailing spaces
1386 while (len && text [len - 1] == ' ')
1387 len--;
1388
1389 int x_ = buffered ? 0 : x;
1390 int y_ = buffered ? 0 : y;
1258 1391
1259 while (len) 1392 while (len)
1260 { 1393 {
1261 int cwidth = r->TermWin.fwidth; 1394 int cwidth = term->fwidth;
1262 FcChar32 fc = *text++; len--; 1395 FcChar32 fc = *text++; len--;
1263 FT_UInt gl;
1264 1396
1265 while (len && *text == NOCHAR) 1397 while (len && *text == NOCHAR)
1266 text++, len--, cwidth += r->TermWin.fwidth; 1398 text++, len--, cwidth += term->fwidth;
1267
1268 gl = XftCharIndex (d.display->display, f, fc);
1269 XftGlyphExtents (d.display->display, f, &gl, 1, &extents);
1270 1399
1271 if (extents.xOff != cwidth && ep != enc) 1400 if (fc != ' ') // 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 } 1401 {
1402 FT_UInt glyph = XftCharIndex (disp, f, fc);
1403 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1283 1404
1284 if (fc == ' ' && ep == enc) // skip leading spaces 1405 ep->glyph = glyph;
1406 ep->x = x_ + (cwidth - extents.xOff >> 1);
1407 ep->y = y_ + ascent;
1408
1409 if (extents.xOff == 0)
1410 ep->x = x_ + cwidth;
1411
1412 ep++;
1285 { 1413 }
1414
1286 x += cwidth; 1415 x_ += cwidth;
1287 continue; 1416 }
1417
1418 if (buffered)
1419 {
1420 if (ep != enc)
1288 } 1421 {
1422 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1289 1423
1424#ifdef HAVE_IMG
1425 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1426
1427 if (term->bg_img
1428 && (bg == Color_transparent || bg == Color_bg
1429 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1430 {
1431 int src_x = x, src_y = y;
1432
1433 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1434 {
1435 src_x += term->window_vt_x;
1436 src_y += term->window_vt_y;
1437 }
1438
1439 if (term->bg_img->w >= src_x + w
1440 && term->bg_img->h >= src_y + h)
1441 {
1442 XCopyArea (disp, term->bg_img->pm, d2, gc,
1443 src_x, src_y, w, h, 0, 0);
1444 }
1445 else
1446 {
1447 XGCValues gcv;
1448
1449 gcv.fill_style = FillTiled;
1450 gcv.tile = term->bg_img->pm;
1451 gcv.ts_x_origin = -src_x;
1452 gcv.ts_y_origin = -src_y;
1453
1454 XChangeGC (disp, gc,
1455 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1456 &gcv);
1457
1458 XFillRectangle (disp, d2, gc, 0, 0, w, h);
1459
1460 gcv.fill_style = FillSolid;
1461 XChangeGC (disp, gc, GCFillStyle, &gcv);
1462 }
1463
1464 if (dst)
1465 {
1466 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1467
1468 // dst can only be set when bg >= 0
1469 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1470 }
1471 }
1472 else
1473#endif
1474 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1475
1476 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1477 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1478 }
1290 else 1479 else
1291 { 1480 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 { 1481 }
1300 if (xoff > ewidth) xoff = ewidth; 1482 else
1301 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1302 x + (ewidth - xoff >> 1),
1303 y + base, enc, ep - enc);
1304 } 1483 {
1484 clear_rect (d, x, y, w, h, bg);
1485 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1486 }
1305} 1487}
1488
1306#endif 1489#endif
1307 1490
1308///////////////////////////////////////////////////////////////////////////// 1491/////////////////////////////////////////////////////////////////////////////
1309 1492
1310rxvt_fontset::rxvt_fontset (rxvt_t r) 1493rxvt_fontset::rxvt_fontset (rxvt_term *term)
1311: r (r), fontdesc (0) 1494: fontdesc (0), term (term)
1312{ 1495{
1313 clear (); 1496 clear ();
1314} 1497}
1315 1498
1316rxvt_fontset::~rxvt_fontset () 1499rxvt_fontset::~rxvt_fontset ()
… …
1319} 1502}
1320 1503
1321void 1504void
1322rxvt_fontset::clear () 1505rxvt_fontset::clear ()
1323{ 1506{
1324 prop.width = prop.height = prop.weight = prop.slant 1507 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1325 = rxvt_fontprop::unset; 1508 = rxvt_fontprop::unset;
1509 force_prop = false;
1326 1510
1327 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1511 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1328 FONT_UNREF (*i); 1512 (*i)->unref ();
1329 1513
1330 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1514 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1331 delete *p; 1515 delete *p;
1332 1516
1333 free (fontdesc); fontdesc = 0; 1517 free (fontdesc); fontdesc = 0;
… …
1335 fonts.clear (); 1519 fonts.clear ();
1336 1520
1337 fallback = fallback_fonts; 1521 fallback = fallback_fonts;
1338} 1522}
1339 1523
1524void
1525rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1526{
1527 font->set_term (term);
1528
1529 font->cs = cs;
1530 font->loaded = false;
1531}
1532
1340rxvt_font * 1533rxvt_font *
1341rxvt_fontset::new_font (const char *name, codeset cs) 1534rxvt_fontset::new_font (const char *name, codeset cs)
1342{ 1535{
1343 rxvt_font *f; 1536 rxvt_font *f;
1344 1537
1345 if (!name || !*name) 1538 if (!name || !*name)
1346 { 1539 {
1347 name = ""; 1540 name = "";
1348 f = new rxvt_font_default (this); 1541 f = new rxvt_font_default (this);
1349 } 1542 }
… …
1360 f = new rxvt_font_x11; 1553 f = new rxvt_font_x11;
1361 } 1554 }
1362 else 1555 else
1363 f = new rxvt_font_x11; 1556 f = new rxvt_font_x11;
1364 1557
1365 f->set_term (r);
1366 f->set_name (strdup (name)); 1558 f->set_name (strdup (name));
1367 1559 prepare_font (f, cs);
1368 f->cs = cs;
1369 f->loaded = false;
1370 1560
1371 return f; 1561 return f;
1372} 1562}
1373 1563
1374///////////////////////////////////////////////////////////////////////////// 1564/////////////////////////////////////////////////////////////////////////////
1565
1566void
1567rxvt_fontset::push_font (rxvt_font *font)
1568{
1569 // the fontCount index is reserved for the overflow font, it is only
1570 // necessary when we get fontCount or more fonts, as they cannot be
1571 // represented in the rendition.
1572 if (fonts.size () == fontCount)
1573 {
1574 rxvt_font *f = new rxvt_font_overflow (this);
1575
1576 prepare_font (f, CS_UNICODE);
1577 fonts.push_back (f);
1578 }
1579
1580 fonts.push_back (font);
1581}
1375 1582
1376void 1583void
1377rxvt_fontset::add_fonts (const char *desc) 1584rxvt_fontset::add_fonts (const char *desc)
1378{ 1585{
1379 if (desc) 1586 if (desc)
… …
1408 cs = codeset_from_name (spec + sizeof ("codeset=") - 1); 1615 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1409 else 1616 else
1410 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); 1617 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1411 1618
1412 desc++; 1619 desc++;
1413 while (*desc <= ' ') desc++; 1620 while (*desc <= ' ' && *desc) desc++;
1414 } 1621 }
1415 1622
1416 end = strchr (desc, ','); 1623 end = strchr (desc, ',');
1417 if (!end) 1624 if (!end)
1418 end = desc + strlen (desc); 1625 end = desc + strlen (desc);
1419 1626
1420 if (end - desc < 511) 1627 if (end - desc < 511)
1421 { 1628 {
1422 strncpy (buf, desc, end - desc); 1629 memcpy (buf, desc, end - desc);
1423 buf[end - desc] = 0; 1630 buf[end - desc] = 0;
1424 1631
1425 fonts.push_back (new_font (buf, cs)); 1632 push_font (new_font (buf, cs));
1426 } 1633 }
1427 else 1634 else
1428 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1635 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1429 1636
1430 desc = end + 1; 1637 desc = end + 1;
1431 } 1638 }
1432 while (*end); 1639 while (*end);
1433 } 1640 }
… …
1442 if (fonts[i]->loaded) 1649 if (fonts[i]->loaded)
1443 return true; 1650 return true;
1444 1651
1445 fonts[i]->loaded = true; 1652 fonts[i]->loaded = true;
1446 1653
1447 if (!fonts[i]->load (prop)) 1654 if (!fonts[i]->load (prop, force_prop))
1448 { 1655 {
1449 fonts[i]->cs = CS_UNKNOWN; 1656 fonts[i]->cs = CS_UNKNOWN;
1450 return false; 1657 return false;
1451 } 1658 }
1452 1659
… …
1458{ 1665{
1459 clear (); 1666 clear ();
1460 1667
1461 fontdesc = strdup (desc); 1668 fontdesc = strdup (desc);
1462 1669
1463 fonts.push_back (new_font (0, CS_UNICODE)); 1670 push_font (new_font (0, CS_UNICODE));
1464 realize_font (0); 1671 realize_font (0);
1465 1672
1466 add_fonts (desc); 1673 add_fonts (desc);
1467 1674
1468 return true; 1675 return true;
… …
1477 1684
1478 return -1; 1685 return -1;
1479} 1686}
1480 1687
1481int 1688int
1482rxvt_fontset::find_font (unicode_t unicode) 1689rxvt_fontset::find_font_idx (unicode_t unicode)
1483{ 1690{
1484 if (unicode >= 1<<20) 1691 if (unicode >= 1<<20)
1485 return 0; 1692 return 0;
1486 1693
1487 unicode_t hi = unicode >> 8; 1694 unicode_t hi = unicode >> 8;
… …
1502 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1709 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1503 goto next_font; 1710 goto next_font;
1504 1711
1505 if (!realize_font (i)) 1712 if (!realize_font (i))
1506 goto next_font; 1713 goto next_font;
1714
1715 if (prop.ascent != rxvt_fontprop::unset)
1716 max_it (f->ascent, prop.ascent);
1507 } 1717 }
1508 1718
1509 if (f->cs == CS_UNKNOWN) 1719 if (f->cs == CS_UNKNOWN)
1510 goto next_font; 1720 goto next_font;
1511 1721
1512 bool careful; 1722 bool careful;
1513 if (f->has_char (unicode, &prop, careful)) 1723 if (f->has_char (unicode, &prop, careful))
1514 { 1724 {
1515 if (careful) 1725 i = (i << 1) | careful;
1516 i |= 128;
1517 1726
1518 goto found; 1727 goto found;
1519 } 1728 }
1520 1729
1521 next_font: 1730 next_font:
1522 if (i == fonts.size () - 1) 1731 if (i == fonts.size () - 1)
1523 { 1732 {
1524 if (fallback->name) 1733 if (fallback->name)
1525 { 1734 {
1526 // search through the fallback list 1735 // search through the fallback list
1527 fonts.push_back (new_font (fallback->name, fallback->cs)); 1736 push_font (new_font (fallback->name, fallback->cs));
1528 fallback++; 1737 fallback++;
1529 } 1738 }
1530 else 1739 else
1531 { 1740 {
1532 // try to find a new font. 1741 // try to find a new font.
… …
1534 // way to configure this and xft is easier to hack in, 1743 // way to configure this and xft is easier to hack in,
1535 // while x11 has more framework in place already. 1744 // while x11 has more framework in place already.
1536 // TODO: this is a real resource hog, xft takes ages(?) 1745 // TODO: this is a real resource hog, xft takes ages(?)
1537#if XFT && USE_SLOW_LOOKUP 1746#if XFT && USE_SLOW_LOOKUP
1538 // grab the first xft font that seems suitable 1747 // grab the first xft font that seems suitable
1748 // TOOD: should go first for cellchar (spacing 110) then mono, then else
1539 FcPattern *p = FcPatternCreate (); 1749 FcPattern *p = FcPatternCreate ();
1540 1750
1541 FcCharSet *s = FcCharSetCreate (); 1751 FcCharSet *s = FcCharSetCreate ();
1542 FcCharSetAddChar (s, unicode); 1752 FcCharSetAddChar (s, unicode);
1543 FcPatternAddCharSet (p, FC_CHARSET, s); 1753 FcPatternAddCharSet (p, FC_CHARSET, s);
… …
1550 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1760 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1551 FcPatternAddBool (p, FC_MINSPACE, 1); 1761 FcPatternAddBool (p, FC_MINSPACE, 1);
1552 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1762 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1553 1763
1554 XftResult result; 1764 XftResult result;
1555 FcPattern *match = XftFontMatch (DISPLAY, r->display->screen, p, &result); 1765 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1556 1766
1557 FcPatternDestroy (p); 1767 FcPatternDestroy (p);
1558 1768
1559 if (match) 1769 if (match)
1560 { 1770 {
… …
1563 FcPatternDestroy (match); 1773 FcPatternDestroy (match);
1564 1774
1565 if (find_font (font) < 0) 1775 if (find_font (font) < 0)
1566 { 1776 {
1567 char fontname[4096]; 1777 char fontname[4096];
1568 sprintf (fontname, "xft:%-.4090s", font); 1778 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1569 1779
1570 fonts.push_back (new_font (fontname, CS_UNICODE)); 1780 push_font (new_font (fontname, CS_UNICODE));
1571 } 1781 }
1572 1782
1573 free (font); 1783 free (font);
1574 } 1784 }
1575#endif 1785#endif
… …
1587 while (hi >= fmap.size ()) 1797 while (hi >= fmap.size ())
1588 fmap.push_back (0); 1798 fmap.push_back (0);
1589 1799
1590 if (!fmap[hi]) 1800 if (!fmap[hi])
1591 { 1801 {
1592 fmap[hi] = (pagemap *)new pagemap; 1802 fmap[hi] = new pagemap;
1593 memset (fmap[hi], 0xff, sizeof (pagemap)); 1803 memset (fmap[hi], 0xff, sizeof (pagemap));
1594 } 1804 }
1595 1805
1596 (*fmap[hi])[unicode & 0xff] = i; 1806 (*fmap[hi])[unicode & 0xff] = i;
1597 } 1807 }
1598 1808
1599 return i; 1809 return i;
1600} 1810}
1601 1811
1602
1603

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