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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.76 by root, Tue Jan 3 23:40:58 2006 UTC vs.
Revision 1.216 by root, Sat Jun 19 10:08:10 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
… …
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->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:autohint=false" }, 141 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
138 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=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 {
… …
283 p.slant = rxvt_fontprop::roman; 284 p.slant = rxvt_fontprop::roman;
284 285
285 return p; 286 return p;
286 } 287 }
287 288
288 bool load (const rxvt_fontprop &prop) 289 bool load (const rxvt_fontprop &prop, bool force_prop)
289 { 290 {
290 width = 1; height = 1; 291 width = 1; height = 1;
291 ascent = 1; descent = 0; 292 ascent = 1; descent = 0;
292 293
293 set_name (strdup ("built-in support font")); 294 set_name (strdup ("built-in support font"));
294 295
295 return true; 296 return true;
296 } 297 }
297 298
298 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
299 { 300 {
300 careful = false; 301 careful = false;
301 302
302 if (unicode <= 0x001f) 303 if (unicode <= 0x001f)
303 return true; 304 return true;
… …
306 return false; 307 return false;
307 308
308 if (unicode <= 0x009f) 309 if (unicode <= 0x009f)
309 return true; 310 return true;
310 311
312#ifdef BUILTIN_GLYPHS
311 if (unicode >= 0x2500 && unicode <= 0x259f) 313 if (unicode >= 0x2500 && unicode <= 0x259f &&
314 !term->option (Opt_skipBuiltinGlyphs))
312 return true; 315 return true;
316#endif
313 317
314 if (IS_COMPOSE (unicode)) 318 // we do not check for IS_COMPOSE here, as this would
315 return true; 319 // rob other fonts from taking over.
316 320
317 switch (unicode) 321 switch (unicode)
318 { 322 {
319 case ZERO_WIDTH_CHAR: 323 case ZERO_WIDTH_CHAR:
320 case NOCHAR: 324 case NOCHAR:
… …
332void 336void
333rxvt_font_default::draw (rxvt_drawable &d, int x, int y, 337rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
334 const text_t *text, int len, 338 const text_t *text, int len,
335 int fg, int bg) 339 int fg, int bg)
336{ 340{
337 Display *disp = d.display->display; 341 dTermDisplay;
342 dTermGC;
338 343
339 clear_rect (d, x, y, r->fwidth * len, r->fheight, bg); 344 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
340 345
341 XSetForeground (disp, TGC, r->pix_colors[fg]); 346 XSetForeground (disp, gc, term->pix_colors[fg]);
342 347
343 while (len) 348 while (len)
344 { 349 {
350 const text_t *tp = text;
351 text_t t = *tp;
352
353 while (++text, --len && *text == NOCHAR)
354 ;
355
345#if ENABLE_COMBINING 356#if ENABLE_COMBINING
346 compose_char *cc; 357 compose_char *cc;
347#endif 358#endif
348 const text_t *tp = text;
349 text_t t = *tp;
350
351 while (++text, --len && *text == NOCHAR)
352 ;
353
354 int width = text - tp; 359 int width = text - tp;
355 int fwidth = r->fwidth * width; 360 int fwidth = term->fwidth * width;
356 361
362#ifdef BUILTIN_GLYPHS
357 if (0x2500 <= t && t <= 0x259f) 363 if (0x2500 <= t && t <= 0x259f)
358 { 364 {
365# include "table/linedraw.h"
359 uint16_t offs = linedraw_offs[t - 0x2500]; 366 uint16_t offs = linedraw_offs[t - 0x2500];
360 uint32_t *a = linedraw_command + (offs >> 4); 367 uint32_t *a = linedraw_command + (offs >> 4);
361 uint32_t *b = a + (offs & 15); 368 uint32_t *b = a + (offs & 15);
362 369
363 int W = fwidth; 370 int W = fwidth;
364 int H = r->fheight; 371 int H = term->fheight;
365 372
366 int x_[16]; 373 int x_[16];
367 int y_[16]; 374 int y_[16];
368 375
369 for (int i = 0; i <= 8; i++) 376 for (int i = 0; i <= 8; i++)
… …
377 384
378 XGCValues gcv; 385 XGCValues gcv;
379 386
380 gcv.cap_style = CapButt; 387 gcv.cap_style = CapButt;
381 gcv.line_width = 0; 388 gcv.line_width = 0;
382 XChangeGC (disp, TGC, GCLineWidth | GCCapStyle, &gcv); 389 XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
383 390
384 while (a < b) 391 while (a < b)
385 { 392 {
386 uint32_t command = *a++; 393 uint32_t command = *a++;
387 394
… …
394 int y2 = y_[(command >> 0) & 15]; 401 int y2 = y_[(command >> 0) & 15];
395 402
396 switch (op) 403 switch (op)
397 { 404 {
398 case 0: // line 405 case 0: // line
399 XDrawLine (disp, d, TGC, x1, y1, x2, y2); 406 XDrawLine (disp, d, gc, x1, y1, x2, y2);
400 break; 407 break;
401 408
402 case 1: // rectangle, possibly stippled 409 case 1: // rectangle, possibly stippled
403 if (a) 410 if (a)
404 { 411 {
405 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 412 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
406 413
407 gcv.fill_style = FillStippled; 414 gcv.fill_style = FillStippled;
408 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2); 415 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
409 gcv.ts_x_origin = x; 416 gcv.ts_x_origin = x;
410 gcv.ts_y_origin = y; 417 gcv.ts_y_origin = y;
411 418
412 XChangeGC (disp, TGC, 419 XChangeGC (disp, gc,
413 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 420 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
414 &gcv); 421 &gcv);
415 } 422 }
416 423
417 XFillRectangle (disp, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); 424 XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
418 425
419 if (a) 426 if (a)
420 { 427 {
421 XFreePixmap (disp, gcv.stipple); 428 XFreePixmap (disp, gcv.stipple);
422 gcv.stipple = 0; 429 gcv.stipple = 0;
423 gcv.fill_style = FillSolid; 430 gcv.fill_style = FillSolid;
424 XChangeGC (disp, TGC, GCFillStyle, &gcv); 431 XChangeGC (disp, gc, GCFillStyle, &gcv);
425 } 432 }
426 break; 433 break;
427 case 2: // arc 434 case 2: // arc
428 XDrawArc (disp, d, TGC, 435 XDrawArc (disp, d, gc,
429 x1 - W/2, y1 - H/2, W-1, H-1, 436 x1 - W/2, y1 - H/2, W-1, H-1,
430 (a - 1) * 90*64, (b - 1) * 90*64); 437 (a - 1) * 90*64, (b - 1) * 90*64);
431 break; 438 break;
432 } 439 }
433 } 440 }
434 } 441 }
442#else
443 if (0)
444 ;
445#endif
435#if ENABLE_COMBINING 446#if ENABLE_COMBINING
436 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 447 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
437 { 448 {
449 min_it (width, 2); // we only support wcwidth up to 2
438 text_t chrs[2]; 450 text_t chrs[2];
439 width = min (2, width);
440 chrs [1] = NOCHAR; 451 chrs [1] = NOCHAR;
441 452
442 *chrs = cc->c1; 453 *chrs = cc->c1;
443 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 454 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
444 f1->draw (d, x, y, chrs, width, fg, bg); 455 f1->draw (d, x, y, chrs, width, fg, bg);
445 456
446 if (cc->c2 != NOCHAR) 457 if (cc->c2 != NOCHAR)
447 { 458 {
448 bool careful; 459 bool careful;
449 460
450 // prefer font of first character, for no good reasons 461 // prefer font of first character, for no good reasons
451 *chrs = cc->c2; 462 *chrs = cc->c2;
452 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) 463 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
453 ? f1 464 ? f1
454 : (*fs)[fs->find_font (cc->c2)]; 465 : (*fs)[fs->find_font_idx (cc->c2)];
455 466
456 f2->draw (d, x, y, chrs, width, fg, -1); 467 f2->draw (d, x, y, chrs, width, fg, Color_none);
457 } 468 }
458 } 469 }
459#endif 470#endif
460 else 471 else
461 switch (t) 472 switch (t)
… …
463 case '\t': 474 case '\t':
464 case ZERO_WIDTH_CHAR: 475 case ZERO_WIDTH_CHAR:
465 case NOCHAR: 476 case NOCHAR:
466 break; 477 break;
467 478
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
468 default: 488 default:
469 XDrawRectangle (disp, d, TGC, x + 2, y + 2, 489 XDrawRectangle (disp, d, gc, x + 2, y + 2,
470 fwidth - 4, r->fheight - 4); 490 fwidth - 4, term->fheight - 4);
471 } 491 }
472 492
473 x += fwidth; 493 x += fwidth;
474 } 494 }
475} 495}
476 496
497struct rxvt_font_overflow : rxvt_font
498{
499 struct rxvt_fontset *fs;
500
501 rxvt_font_overflow (rxvt_fontset *fs)
502 : rxvt_font ()
503 {
504 this->fs = fs;
505 }
506
507 rxvt_fontprop properties ()
508 {
509 rxvt_fontprop p;
510
511 p.width = p.height = 1;
512 p.ascent = rxvt_fontprop::unset;
513 p.weight = rxvt_fontprop::medium;
514 p.slant = rxvt_fontprop::roman;
515
516 return p;
517 }
518
519 bool load (const rxvt_fontprop &prop, bool force_prop)
520 {
521 width = 1; height = 1;
522 ascent = 1; descent = 0;
523
524 set_name (strdup ("built-in rendition overflow font"));
525
526 return true;
527 }
528
529 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
530 {
531 return false;
532 }
533
534 void draw (rxvt_drawable &d, int x, int y,
535 const text_t *text, int len,
536 int fg, int bg)
537 {
538 while (len)
539 {
540 int fid = fs->find_font_idx (*text);
541 int w = 1;
542 while (w < len && text[w] == NOCHAR)
543 w++;
544 (*fs)[fid]->draw (d, x, y, text, w, fg, bg);
545 text += w;
546 len -= w;
547 x += term->fwidth * w;
548 }
549 }
550};
551
477///////////////////////////////////////////////////////////////////////////// 552/////////////////////////////////////////////////////////////////////////////
478 553
479struct rxvt_font_x11 : rxvt_font { 554struct rxvt_font_x11 : rxvt_font
555{
480 rxvt_font_x11 () { f = 0; } 556 rxvt_font_x11 () { f = 0; }
481 557
482 void clear (); 558 void clear ();
483 559
484 rxvt_fontprop properties (); 560 rxvt_fontprop properties ();
485 561
486 bool load (const rxvt_fontprop &prop); 562 bool load (const rxvt_fontprop &prop, bool force_prop);
487 563
488 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful); 564 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
489 565
490 void draw (rxvt_drawable &d, int x, int y, 566 void draw (rxvt_drawable &d, int x, int y,
491 const text_t *text, int len, 567 const text_t *text, int len,
492 int fg, int bg); 568 int fg, int bg);
493 569
494 bool slow; // wether this is a proportional font or has other funny characteristics 570 bool slow; // whether this is a proportional font or has other funny characteristics
495 XFontStruct *f; 571 XFontStruct *f;
496 codeset cs;
497 bool enc2b, encm; 572 bool enc2b, encm;
498 573
499 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 574 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
500 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); 575 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
501 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 576 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
502 bool set_properties (rxvt_fontprop &p, const char *name); 577 bool set_properties (rxvt_fontprop &p, const char *name);
503}; 578};
504 579
505char * 580char *
506rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 581rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
507{ 582{
508 unsigned long value; 583 unsigned long value;
509 584
510 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 585 if (XGetFontProperty (f, property, &value))
511 return XGetAtomName (DISPLAY, value); 586 return XGetAtomName (term->dpy, value);
512 else 587 else
513 return rxvt_strdup (repl); 588 return repl ? strdup (repl) : 0;
514} 589}
515 590
516rxvt_fontprop 591rxvt_fontprop
517rxvt_font_x11::properties () 592rxvt_font_x11::properties ()
518{ 593{
… …
522} 597}
523 598
524bool 599bool
525rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 600rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
526{ 601{
527 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 602 p.width = width != rxvt_fontprop::unset ? width
603 : avgwidth ? (avgwidth + 1) / 10
604 : (height + 1) / 2;
528 p.height = height; 605 p.height = height;
529 p.ascent = rxvt_fontprop::unset; 606 p.ascent = rxvt_fontprop::unset;
530 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 607 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
531 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 608 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
532 609
… …
537rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 614rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
538{ 615{
539 unsigned long height; 616 unsigned long height;
540 617
541#if 0 618#if 0
542 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 619 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
543 return false; 620 return false;
544#else 621#else
545 height = f->ascent + f->descent; 622 height = f->ascent + f->descent;
546#endif 623#endif
547 624
548 unsigned long avgwidth; 625 unsigned long avgwidth;
549 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 626 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
550 avgwidth = 0; 627 avgwidth = 0;
551 628
552 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 629 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
553 char *slant = get_property (f, "SLANT", "r"); 630 char *slant = get_property (f, term->xa [XA_SLANT], "r");
554 631
555 set_properties (p, height, weight, slant, avgwidth); 632 set_properties (p, height, weight, slant, avgwidth);
556 633
557 free (weight); 634 free (weight);
558 free (slant); 635 free (slant);
… …
563} 640}
564 641
565bool 642bool
566rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) 643rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
567{ 644{
645 dTermDisplay;
568 int slashes = 0; 646 int slashes = 0;
569 const char *comp[13]; 647 const char *comp[13];
570 648
571 for (const char *c = name; *c; c++) 649 for (const char *c = name; *c; c++)
572 if (*c == '-') 650 if (*c == '-')
… …
580 if (slashes >= 13 658 if (slashes >= 13
581 && (*comp[ 6] >= '1' && *comp[ 6] <= '9') 659 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
582 && (*comp[11] >= '0' && *comp[11] <= '9')) 660 && (*comp[11] >= '0' && *comp[11] <= '9'))
583 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); 661 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
584 662
585 XFontStruct *f = XLoadQueryFont (DISPLAY, name); 663 XFontStruct *f = XLoadQueryFont (disp, name);
586 664
587 if (f) 665 if (f)
588 { 666 {
589 // the font should really exist now. if not, we have a problem 667 // the font should really exist now. if not, we have a problem
590 // (e.g. if the user did xset fp rehash just when we were searching fonts). 668 // (e.g. if the user did xset fp rehash just when we were searching fonts).
591 // in that case, just return garbage. 669 // in that case, just return garbage.
592 bool ret = set_properties (p, f); 670 bool ret = set_properties (p, f);
593 XFreeFont (DISPLAY, f); 671 XFreeFont (disp, f);
594 return ret; 672 return ret;
595 } 673 }
596 else 674 else
597 return false; 675 return false;
598} 676}
599 677
600// fix the size of scalable fonts 678// fix the size of scalable fonts
601static bool 679static bool
602replace_field (char *buf, const char *name, int index, const char old, const char *replace) 680replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
603{ 681{
604 int slashes = 0; 682 int slashes = 0;
605 const char *field, *end; 683 const char *field, *end;
606 684
607 for (const char *c = name; *c; c++) 685 for (const char *c = name; *c; c++)
… …
617 break; 695 break;
618 } 696 }
619 697
620 if (slashes >= 13 && (!old || *field == old)) 698 if (slashes >= 13 && (!old || *field == old))
621 { 699 {
622 // TODO: check for overflow in font-name 700 size_t len = field - name;
623 strncpy (buf, name, field - name); 701 *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
624 buf += field - name; 702 memcpy (*ptr, name, len);
625 strcpy (buf, replace); 703 strcpy (*ptr + len, replace);
626 strcat (buf, end); 704 strcat (*ptr, end);
627 705
628 return true; 706 return true;
629 } 707 }
630 else 708 else
631 { 709 {
632 strcpy (buf, name); 710 *ptr = strdup (name);
633 711
634 return false; 712 return false;
635 } 713 }
636} 714}
637 715
638bool 716bool
639rxvt_font_x11::load (const rxvt_fontprop &prop) 717rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
640{ 718{
641 Display *disp = DISPLAY; 719 dTermDisplay;
642 720
643 clear (); 721 clear ();
644 722
645 char field_str[64]; // enough for 128 bits 723 char field_str[64]; // enough for 128 bits
646 724
647 // first morph the font if required 725 // first morph the font if required
648 if (prop.weight != rxvt_fontprop::unset 726 if (force_prop)
649 || prop.slant != rxvt_fontprop::unset)
650 { 727 {
651 char fname[1024]; 728 char *fname;
652 729
653 if (name[0] != '-') 730 if (name[0] != '-')
654 { 731 {
655 f = XLoadQueryFont (disp, name); 732 f = XLoadQueryFont (disp, name);
656 733
657 if (!f) 734 if (!f)
658 return false; 735 return false;
659 736
660 char *new_name = get_property (f, "FONT", name); 737 char *new_name = get_property (f, XA_FONT, 0);
661 738
662 if (new_name) 739 if (new_name)
663 set_name (new_name); 740 set_name (new_name);
664 else 741 else
665 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 742 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
666 743
667 XFreeFont (disp, f); 744 XFreeFont (disp, f);
668 f = 0; 745 f = 0;
669 } 746 }
670 747
671 if (prop.weight != rxvt_fontprop::unset) 748 if (prop.weight != rxvt_fontprop::unset)
672 { 749 {
673 replace_field (fname, name, 2, 0, 750 replace_field (&fname, name, 2, 0,
674 prop.weight < rxvt_fontprop::bold 751 prop.weight < rxvt_fontprop::bold
675 ? "medium" : "bold"); 752 ? "medium" : "bold");
676 set_name (strdup (fname)); 753 set_name (fname);
677 } 754 }
678 755
679 if (prop.slant != rxvt_fontprop::unset) 756 if (prop.slant != rxvt_fontprop::unset)
680 { 757 {
681 replace_field (fname, name, 3, 0, 758 replace_field (&fname, name, 3, 0,
682 prop.slant < rxvt_fontprop::italic 759 prop.slant < rxvt_fontprop::italic
683 ? "r" : "i"); // TODO: handle "o"blique, too 760 ? "r" : "i"); // TODO: handle "o"blique, too
684 set_name (strdup (fname)); 761 set_name (fname);
685 } 762 }
686 } 763 }
687 764
688 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 765 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
689 ? 0 : prop.height); 766 ? 0 : prop.height);
… …
714 font_weight *fonts = new font_weight[count]; 791 font_weight *fonts = new font_weight[count];
715 792
716 for (int i = 0; i < count; i++) 793 for (int i = 0; i < count; i++)
717 { 794 {
718 rxvt_fontprop p; 795 rxvt_fontprop p;
719 char fname[1024]; 796 char *fname;
720 797
721 int diff = 0; 798 int diff = 0;
722 799
723 if (replace_field (fname, list[i], 6, '0', field_str)) 800 if (replace_field (&fname, list[i], 6, '0', field_str))
724 diff += 10; // slightly penalize scalable fonts 801 diff += 10; // slightly penalize scalable fonts
802 else
803 {
804 free (fname);
725 else if (replace_field (fname, list[i], 11, '0', "0")) 805 if (replace_field (&fname, list[i], 11, '0', "0"))
726 diff += 300; // more heavily penalize what looks like scaled bitmap fotns 806 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
807 }
727 808
728 if (!set_properties (p, fname)) 809 if (!set_properties (p, fname)
810 // also weed out too large fonts
811 || (prop.height != rxvt_fontprop::unset
812 && p.height > prop.height))
813 {
814 free (fname);
729 continue; 815 continue;
730 816 }
731 if (prop.height != rxvt_fontprop::unset
732 && p.height > prop.height) // weed out too large fonts
733 continue;
734 817
735 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 818 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
736 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 819 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
737 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 820 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
738 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 821 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
739 822
740 fonts[i].name = strdup (fname); 823 fonts[i].name = fname;
741 fonts[i].diff = diff; 824 fonts[i].diff = diff;
742 } 825 }
743 826
744 XFreeFontNames (list); 827 XFreeFontNames (list);
745 828
746 // this loop only iterates when the guessed font-size is too small 829 // this loop only iterates when the guessed font-size is too small
747 for (;;) 830 for (;;)
748 { 831 {
749 font_weight *best = fonts + count - 1; 832 font_weight *best = fonts;
750 833
751 for (font_weight *w = best; w-- > fonts; ) 834 for (font_weight *w = fonts + 1; w < fonts + count; w++)
752 if (w->diff <= best->diff) 835 if (w->diff < best->diff)
753 best = w; 836 best = w;
754 837
755 if (!best->name 838 if (!best->name
756 || !(f = XLoadQueryFont (disp, best->name))) 839 || !(f = XLoadQueryFont (disp, best->name)))
757 break; 840 break;
… …
774 delete [] fonts; 857 delete [] fonts;
775 858
776 if (!f) 859 if (!f)
777 return false; 860 return false;
778 861
779 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 862 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
780 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 863 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
864
865 cs = CS_UNKNOWN;
781 866
782 if (registry && encoding) 867 if (registry && encoding)
783 { 868 {
784 char charset[64]; 869 char charset[64];
785 snprintf (charset, 64, "%s-%s", registry, encoding); 870 snprintf (charset, 64, "%s-%s", registry, encoding);
786 871
787 cs = codeset_from_name (charset); 872 cs = codeset_from_name (charset);
788 } 873
789 else 874 if (cs == CS_UNKNOWN)
875 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
790 { 876 }
877
878 free (registry);
879 free (encoding);
880
881 if (cs == CS_UNKNOWN)
882 {
791 const char *charset = get_property (f, "FONT", 0); 883 char *value = get_property (f, XA_FONT, 0);
884 const char *charset = value;
792 885
793 if (!charset) 886 if (!charset)
794 charset = name; 887 charset = name;
795 888
796 int count = 13; 889 int count = 13;
797 while (*charset) 890 while (*charset)
798 if (*charset++ == '-' && !--count) 891 if (*charset++ == '-' && !--count)
799 break; 892 break;
800 893
801 cs = codeset_from_name (charset); 894 cs = codeset_from_name (charset);
895 if (cs == CS_UNKNOWN)
896 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
897
898 free (value);
899 }
900
901 if (cs == CS_UNKNOWN)
802 } 902 {
803 903 clear ();
804 free (registry); 904 return false;
805 free (encoding); 905 }
806 906
807 if (cs == CS_UNICODE) 907 if (cs == CS_UNICODE)
808 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 908 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
809 909
810 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 910 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
811 enc2b = encm || f->max_char_or_byte2 > 255; 911 enc2b = encm || f->max_char_or_byte2 > 255;
812 912
813 slow = false; 913 slow = false;
814 914
815#if 1 // only used for slow detection, TODO optimize 915#if 1 // only used for slow detection, TODO optimize
816 if (f->min_bounds.width == f->max_bounds.width) 916 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
817 width = f->min_bounds.width;
818 else if (f->per_char == NULL)
819 width = f->max_bounds.width; 917 width = f->max_bounds.width;
820 else 918 else
821 { 919 {
822 slow = true; 920 slow = true;
823 921
824 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 922 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
825 923
826 if (encm) 924 if (encm)
827 N += (f->max_byte1 - f->min_byte1) 925 N += (f->max_byte1 - f->min_byte1)
828 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); 926 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
829 927
830 while (N) 928 while (N)
831 { 929 {
832 if (f->per_char[N].width > width) 930 if (f->per_char[N].width > width)
833 width = f->per_char[N].width; 931 width = f->per_char[N].width;
834 932
… …
837 } 935 }
838#endif 936#endif
839 937
840 width = 1; 938 width = 1;
841 939
842 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 940 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
843 { 941 {
844 if (cs != CS_UNICODE
845 && *t > 0x100
846 && FROM_UNICODE (cs, *t) == NOCHAR) 942 if (FROM_UNICODE (cs, *t) == NOCHAR)
847 continue; 943 continue;
848 944
849 // ignore characters we wouldn't use anyways 945 // ignore characters we wouldn't use anyways
850 bool careful; 946 bool careful;
851 if (!has_char (*t, &prop, careful)) 947 if (!has_char (*t, &prop, careful))
852 continue; 948 continue;
853 949
854 XChar2b ch = { *t >> 8, *t }; 950 // the casts are needed in C++11 (see 8.5.1)
951 XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t };
855 952
856 XCharStruct g; 953 XCharStruct g;
857 int dir_ret, asc_ret, des_ret; 954 int dir_ret, asc_ret, des_ret;
858 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 955 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
859 956
957 int wcw = WCWIDTH (*t);
860 int wcw = wcwidth (*t); if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 958 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
861 959
862 if (width < g.width) width = g.width; 960 if (width < g.width) width = g.width;
863 }
864
865 if (cs == CS_UNKNOWN)
866 { 961 }
867 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
868 962
963#if 0 // do it per-character
964 if (prop && width > prop->width)
965 {
869 clear (); 966 clear ();
870 return false; 967 return false;
871 } 968 }
872
873#if 0 // do it per-character
874 if (prop && width > prop->width)
875 {
876 clear ();
877 return false;
878 }
879#endif 969#endif
880 970
881 return true; 971 return true;
882} 972}
883 973
884void 974void
885rxvt_font_x11::clear () 975rxvt_font_x11::clear ()
886{ 976{
887 if (f) 977 if (f)
888 { 978 {
889 XFreeFont (DISPLAY, f); 979 XFreeFont (term->dpy, f);
890 f = 0; 980 f = 0;
891 } 981 }
892} 982}
893 983
894bool 984bool
895rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 985rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
896{ 986{
987 careful = false;
988
897 uint32_t ch = FROM_UNICODE (cs, unicode); 989 uint32_t ch = FROM_UNICODE (cs, unicode);
898 990
899 if (ch == NOCHAR) 991 if (ch == NOCHAR)
900 return false; 992 return false;
901 993
902 /* check wether the character exists in _this_ font. horrible. */ 994 /* check whether the character exists in _this_ font. horrible. */
903 XCharStruct *xcs; 995 XCharStruct *xcs;
904 996
905 if (encm) 997 if (encm)
906 { 998 {
907 unsigned char byte1 = ch >> 8; 999 unsigned char byte1 = ch >> 8;
… …
937 return false; 1029 return false;
938 1030
939 if (!prop || prop->width == rxvt_fontprop::unset) 1031 if (!prop || prop->width == rxvt_fontprop::unset)
940 return true; 1032 return true;
941 1033
942 // check character against base font bounding box 1034 // check whether character overlaps previous/next character
943 int w = xcs->width; 1035 int w = xcs->rbearing - xcs->lbearing;
944 int wcw = wcwidth (unicode); 1036 int wcw = max (WCWIDTH (unicode), 1);
945 if (wcw > 0) w = (w + wcw - 1) / wcw;
946 1037
947 careful = w > prop->width; 1038 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
948 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1039
1040 if (careful && !OVERLAP_OK (w, wcw, prop))
949 return false; 1041 return false;
950 1042
951 return true; 1043 return true;
952} 1044}
953 1045
… …
959 // this looks like a mess /. 1051 // this looks like a mess /.
960 // and it is a mess /. 1052 // and it is a mess /.
961 // yet we are trying to be perfect /. 1053 // yet we are trying to be perfect /.
962 // but the result still isn't perfect /. 1054 // but the result still isn't perfect /.
963 1055
1056 dTermDisplay;
1057 dTermGC;
1058
964 bool slow = this->slow 1059 bool slow = this->slow
965 || width != r->fwidth 1060 || width != term->fwidth
966 || height != r->fheight; 1061 || height != term->fheight
1062 || ascent != f->ascent;
967 1063
968 int base = ascent; // sorry, incorrect: r->fbase; 1064 int base = ascent; // sorry, incorrect: term->fbase;
969 1065
970 XGCValues v; 1066 XGCValues v;
971 v.foreground = r->pix_colors[fg]; 1067 v.foreground = term->pix_colors[fg];
972 v.font = f->fid; 1068 v.font = f->fid;
973 1069
974 if (enc2b) 1070 if (enc2b)
975 { 1071 {
976 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 1072 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
977 1073
978 if (bg == Color_bg && !slow) 1074 if (bg == Color_bg && !slow)
979 { 1075 {
980 v.background = r->pix_colors[bg]; 1076 v.background = term->pix_colors[bg];
981 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1077 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
982 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 1078 XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
983 } 1079 }
984 else 1080 else
985 { 1081 {
986 clear_rect (d, x, y, r->fwidth * len, r->fheight, bg); 1082 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
987 1083
988 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1084 XChangeGC (disp, gc, GCForeground | GCFont, &v);
989 1085
990 if (slow) 1086 if (slow)
991 { 1087 {
992 do 1088 do
993 { 1089 {
994 if (xc->byte1 || xc->byte2) 1090 if (xc->byte1 || xc->byte2)
995 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 1091 XDrawString16 (disp, d, gc, x, y + base, xc, 1);
996 1092
997 x += r->fwidth; 1093 x += term->fwidth;
998 xc++; len--; 1094 xc++; len--;
999 } 1095 }
1000 while (len); 1096 while (len);
1001 } 1097 }
1002 else 1098 else
1003 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); 1099 XDrawString16 (disp, d, gc, x, y + base, xc, len);
1004 } 1100 }
1005 } 1101 }
1006 else 1102 else
1007 { 1103 {
1008 const char *xc = enc_char (text, len, cs, slow); 1104 const char *xc = enc_char (text, len, cs, slow);
1009 1105
1010 if (bg == Color_bg && !slow) 1106 if (bg == Color_bg && !slow)
1011 { 1107 {
1012 v.background = r->pix_colors[bg]; 1108 v.background = term->pix_colors[bg];
1013 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1109 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
1014 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1110 XDrawImageString (disp, d, gc, x, y + base, xc, len);
1015 } 1111 }
1016 else 1112 else
1017 { 1113 {
1018 clear_rect (d, x, y, r->fwidth * len, r->fheight, bg); 1114 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
1019 1115
1020 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1116 XChangeGC (disp, gc, GCForeground | GCFont, &v);
1021 1117
1022 if (slow) 1118 if (slow)
1023 { 1119 {
1024 do 1120 do
1025 { 1121 {
1026 if (*xc) 1122 if (*xc)
1027 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1123 XDrawString (disp, d, gc, x, y + base, xc, 1);
1028 1124
1029 x += r->fwidth; 1125 x += term->fwidth;
1030 xc++; len--; 1126 xc++; len--;
1031 } 1127 }
1032 while (len); 1128 while (len);
1033 } 1129 }
1034 else 1130 else
1035 XDrawString (d.display->display, d, TGC, x, y + base, xc, len); 1131 XDrawString (disp, d, gc, x, y + base, xc, len);
1036 } 1132 }
1037 } 1133 }
1038} 1134}
1039 1135
1040///////////////////////////////////////////////////////////////////////////// 1136/////////////////////////////////////////////////////////////////////////////
1041 1137
1042#if XFT 1138#if XFT
1043 1139
1044struct rxvt_font_xft : rxvt_font { 1140struct rxvt_font_xft : rxvt_font
1141{
1045 rxvt_font_xft () { f = 0; } 1142 rxvt_font_xft ()
1143 {
1144 f = 0;
1145 }
1046 1146
1047 void clear (); 1147 void clear ();
1048 1148
1049 rxvt_fontprop properties (); 1149 rxvt_fontprop properties ();
1050 1150
1051 bool load (const rxvt_fontprop &prop); 1151 bool load (const rxvt_fontprop &prop, bool force_prop);
1052 1152
1053 void draw (rxvt_drawable &d, int x, int y, 1153 void draw (rxvt_drawable &d, int x, int y,
1054 const text_t *text, int len, 1154 const text_t *text, int len,
1055 int fg, int bg); 1155 int fg, int bg);
1056 1156
1057 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull); 1157 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
1058 1158
1059protected: 1159protected:
1060 XftFont *f; 1160 XftFont *f;
1061}; 1161};
1062 1162
1063void 1163void
1064rxvt_font_xft::clear () 1164rxvt_font_xft::clear ()
1065{ 1165{
1066 if (f) 1166 if (f)
1067 { 1167 {
1068 XftFontClose (DISPLAY, f); 1168 XftFontClose (term->dpy, f);
1069 f = 0; 1169 f = 0;
1070 } 1170 }
1071} 1171}
1072 1172
1073rxvt_fontprop 1173rxvt_fontprop
… …
1089 1189
1090 return p; 1190 return p;
1091} 1191}
1092 1192
1093bool 1193bool
1094rxvt_font_xft::load (const rxvt_fontprop &prop) 1194rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
1095{ 1195{
1096 Display *disp = DISPLAY; 1196 dTermDisplay;
1097 1197
1098 clear (); 1198 clear ();
1099 1199
1100 FcPattern *p = FcNameParse ((FcChar8 *) name); 1200 FcPattern *p = FcNameParse ((FcChar8 *) name);
1101 1201
… …
1108 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1208 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1109 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1209 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1110 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1210 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1111 1211
1112 if (prop.weight != rxvt_fontprop::unset 1212 if (prop.weight != rxvt_fontprop::unset
1113 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1213 && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
1114 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1214 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1115 1215
1116 if (prop.slant != rxvt_fontprop::unset 1216 if (prop.slant != rxvt_fontprop::unset
1117 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1217 && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
1118 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1218 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1119 1219
1120#if 0 // clipping unfortunately destroys our precious double-width-characters 1220#if 0 // clipping unfortunately destroys our precious double-width-characters
1121 // clip width, we can't do better, or can we? 1221 // clip width, we can't do better, or can we?
1122 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1222 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1123 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1223 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1124#endif 1224#endif
1125 1225
1126 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1226 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1127 FcPatternAddBool (p, FC_MINSPACE, 1); 1227 FcPatternAddBool (p, FC_MINSPACE, 1);
1128 1228
1129 // store generated name so iso14755 view gives better results 1229 // store generated name so iso14755 view gives better results
1130 set_name ((char *)FcNameUnparse (p)); 1230 set_name ((char *)FcNameUnparse (p));
1131 1231
1132 XftResult result; 1232 XftResult result;
1133 FcPattern *match = XftFontMatch (disp, r->display->screen, p, &result); 1233 FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
1134 1234
1135 FcPatternDestroy (p); 1235 FcPatternDestroy (p);
1136 1236
1137 if (!match) 1237 if (!match)
1138 return false; 1238 return false;
… …
1140 int ftheight = 0; 1240 int ftheight = 0;
1141 bool success = true; 1241 bool success = true;
1142 1242
1143 for (;;) 1243 for (;;)
1144 { 1244 {
1245 p = FcPatternDuplicate (match);
1145 f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); 1246 f = XftFontOpenPattern (disp, p);
1146 1247
1147 if (!f) 1248 if (!f)
1148 { 1249 {
1250 FcPatternDestroy (p);
1149 success = false; 1251 success = false;
1150 break; 1252 break;
1151 } 1253 }
1152 1254
1153 FT_Face face = XftLockFace (f); 1255 FT_Face face = XftLockFace (f);
… …
1161 1263
1162 XftUnlockFace (f); 1264 XftUnlockFace (f);
1163 1265
1164 int glheight = height; 1266 int glheight = height;
1165 1267
1166 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1268 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1167 { 1269 {
1168 FcChar16 ch = *t; 1270 FcChar16 ch = *t;
1169 1271
1170 if (cs != CS_UNICODE 1272 if (cs != CS_UNICODE
1171 && ch > 0x100 1273 && ch > 0x100
… …
1180 XGlyphInfo g; 1282 XGlyphInfo g;
1181 XftTextExtents16 (disp, f, &ch, 1, &g); 1283 XftTextExtents16 (disp, f, &ch, 1, &g);
1182 1284
1183 g.width -= g.x; 1285 g.width -= g.x;
1184 1286
1185 int wcw = wcwidth (ch); 1287 int wcw = WCWIDTH (ch);
1186 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 1288 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1187 1289
1188 if (width < g.width ) width = g.width; 1290 if (width < g.width ) width = g.width;
1189 if (height < g.height ) height = g.height; 1291 if (height < g.height ) height = g.height;
1190 if (glheight < g.height - g.y) glheight = g.height - g.y; 1292 if (glheight < g.height - g.y) glheight = g.height - g.y;
1191 } 1293 }
1192 1294
1193 if (!width) 1295 if (!width)
1194 { 1296 {
1195 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name); 1297 rxvt_warn ("unable to calculate font width for '%s', using max_advance_width.\n", name);
1196 1298 width = f->max_advance_width;
1197 XftFontClose (disp, f);
1198 f = 0;
1199
1200 success = false;
1201 break; 1299 break;
1202 } 1300 }
1203 1301
1204 if (prop.height == rxvt_fontprop::unset 1302 if (prop.height == rxvt_fontprop::unset
1205 || (height <= prop.height && glheight <= prop.height) 1303 || (height <= prop.height && glheight <= prop.height)
… …
1236 1334
1237 return success; 1335 return success;
1238} 1336}
1239 1337
1240bool 1338bool
1241rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 1339rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1242{ 1340{
1243 careful = false; 1341 careful = false;
1244 1342
1245 if (!XftCharExists (DISPLAY, f, unicode)) 1343 // handle non-bmp chars when text_t is 16 bit
1344#if ENABLE_COMBINING && !UNICODE_3
1345 if (ecb_expect_false (IS_COMPOSE (unicode)))
1346 if (compose_char *cc = rxvt_composite [unicode])
1347 if (cc->c2 == NOCHAR)
1348 unicode = cc->c1;
1349 else
1350 return false;
1351 else
1352 return false;
1353#endif
1354
1355 FcChar32 chr = unicode;
1356
1357 if (!XftCharExists (term->dpy, f, chr))
1246 return false; 1358 return false;
1247 1359
1248 if (!prop || prop->width == rxvt_fontprop::unset) 1360 if (!prop || prop->width == rxvt_fontprop::unset)
1249 return true; 1361 return true;
1250 1362
1251 // check character against base font bounding box 1363 int wcw = max (WCWIDTH (chr), 1);
1252 FcChar32 ch = unicode; 1364
1253 XGlyphInfo g; 1365 XGlyphInfo g;
1254 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1366 XftTextExtents32 (term->dpy, f, &chr, 1, &g);
1255 1367
1256 int w = g.width - g.x; 1368 int w = g.width - g.x;
1257 int wcw = wcwidth (unicode);
1258 if (wcw > 0) w = (w + wcw - 1) / wcw;
1259 1369
1260 careful = w > prop->width; 1370 careful = g.x > 0 || w > prop->width * wcw;
1261 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1371
1372 if (careful && !OVERLAP_OK (w, wcw, prop))
1373 return false;
1374
1375 // this weeds out _totally_ broken fonts, or glyphs
1376 if (!OVERLAP_OK (g.xOff, wcw, prop))
1262 return false; 1377 return false;
1263 1378
1264 return true; 1379 return true;
1265} 1380}
1266 1381
1267void 1382void
1268rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1383rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1269 const text_t *text, int len, 1384 const text_t *text, int len,
1270 int fg, int bg) 1385 int fg, int bg)
1271{ 1386{
1272 clear_rect (d, x, y, r->fwidth * len, r->fheight, bg); 1387 XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
1388 XftGlyphSpec *ep = enc;
1273 1389
1274 int base = ascent; // should be fbase, but that is incorrect 1390 dTermDisplay;
1391 dTermGC;
1275 1392
1276 XGlyphInfo extents; 1393 int w = term->fwidth * len;
1277 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1394 int h = term->fheight;
1278 FcChar32 *ep = enc; 1395
1279 int ewidth = 0; 1396 bool buffered = bg >= Color_transparent
1397 && term->option (Opt_buffered);
1398
1399 // cut trailing spaces
1400 while (len && text [len - 1] == ' ')
1401 len--;
1402
1403 int x_ = buffered ? 0 : x;
1404 int y_ = buffered ? 0 : y;
1280 1405
1281 while (len) 1406 while (len)
1282 { 1407 {
1283 int cwidth = r->fwidth; 1408 int cwidth = term->fwidth;
1284 FcChar32 fc = *text++; len--; 1409 FcChar32 chr = *text++; len--;
1285 1410
1286 while (len && *text == NOCHAR) 1411 while (len && *text == NOCHAR)
1287 text++, len--, cwidth += r->fwidth; 1412 text++, len--, cwidth += term->fwidth;
1413
1414 if (chr != ' ') // skip spaces
1288 1415 {
1289 if (fc == ' ' && ep == enc) // skip leading spaces 1416 // handle non-bmp chars when text_t is 16 bit
1290 x += cwidth; 1417 #if ENABLE_COMBINING && !UNICODE_3
1291 else 1418 if (ecb_expect_false (IS_COMPOSE (chr)))
1292 { 1419 if (compose_char *cc = rxvt_composite [chr])
1293 FT_UInt gl = XftCharIndex (d.display->display, f, fc); 1420 if (cc->c2 == NOCHAR)
1294 XftGlyphExtents (d.display->display, f, &gl, 1, &extents); 1421 chr = cc->c1;
1422 #endif
1295 1423
1296 if (extents.xOff != cwidth) 1424 #if 0
1425 FT_UInt glyphs [decltype (exp)::max_size];
1426
1427 for (int i = 0; i < nchrs; ++i)
1428 glyphs [i] = XftCharIndex (disp, f, chrs [i]);
1429
1430 for (int i = 0; i < nchrs; ++i)
1297 { 1431 {
1298 if (ewidth) 1432 XGlyphInfo ep;
1433 XftGlyphExtents (disp, f, glyphs+i, 1, &ep);
1434 printf ("gs %4x g %4x + %3d,%3d o %3d,%3d wh %3d,%3d\n", chrs[i],glyphs[i],ep.x,ep.y,ep.xOff,ep.yOff,ep.width,ep.height);
1435 }
1436 #endif
1437
1438 FT_UInt glyph = XftCharIndex (disp, f, chr);
1439 XGlyphInfo extents;
1440 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1441
1442 ep->glyph = glyph;
1443 ep->x = x_;
1444 ep->y = y_ + ascent;
1445
1446 // the xft font cell might differ from the terminal font cell,
1447 // in which case we use the average between the two.
1448 ep->x += extents.xOff ? cwidth - extents.xOff >> 1 : 0;
1449
1450 // xft/freetype represent combining characters as characters with zero
1451 // width rendered over the previous character with some fonts, while
1452 // in other fonts, they are considered normal characters, while yet
1453 // in other fonts, they are shifted all over the place.
1454 // we handle the first two cases by keying off on xOff being 0
1455 // for zero-width chars. normally, we would add extents.xOff
1456 // of the base character here, but we don't have that, so we use cwidth.
1457 ep->x += extents.xOff ? 0 : cwidth;
1458
1459 ++ep;
1460 }
1461
1462 x_ += cwidth;
1463 }
1464
1465 if (buffered)
1466 {
1467 if (ep != enc)
1468 {
1469 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1470
1471#ifdef HAVE_IMG
1472 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1473
1474 if (term->bg_img
1475 && (bg == Color_transparent || bg == Color_bg
1476 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1477 {
1478 int src_x = x, src_y = y;
1479
1480 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1299 { 1481 {
1300 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1301 x, y + base, enc, ep - enc);
1302 x += ewidth; 1482 src_x += term->window_vt_x;
1303 1483 src_y += term->window_vt_y;
1304 ep = enc;
1305 ewidth = 0;
1306 } 1484 }
1307 1485
1308 if (extents.xOff > cwidth) 1486 if (term->bg_img->w >= src_x + w
1309 extents.xOff = cwidth; 1487 && term->bg_img->h >= src_y + h)
1488 {
1489 XCopyArea (disp, term->bg_img->pm, d2, gc,
1490 src_x, src_y, w, h, 0, 0);
1491 }
1492 else
1493 {
1494 XGCValues gcv;
1310 1495
1311 XftDrawGlyphs (d, &r->pix_colors[fg].c, f, 1496 gcv.fill_style = FillTiled;
1312 x + (cwidth - extents.xOff >> 1), 1497 gcv.tile = term->bg_img->pm;
1498 gcv.ts_x_origin = -src_x;
1499 gcv.ts_y_origin = -src_y;
1500
1501 XChangeGC (disp, gc,
1502 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1313 y + base, &gl, 1); 1503 &gcv);
1314 x += cwidth; 1504
1505 XFillRectangle (disp, d2, gc, 0, 0, w, h);
1506
1507 gcv.fill_style = FillSolid;
1508 XChangeGC (disp, gc, GCFillStyle, &gcv);
1509 }
1510
1511 if (dst)
1512 {
1513 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1514
1515 // dst can only be set when bg >= 0
1516 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1517 }
1315 } 1518 }
1316 else 1519 else
1317 { 1520#endif
1318 *ep++ = gl; 1521 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1319 ewidth += cwidth; 1522
1523 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1524 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1320 } 1525 }
1321 } 1526 else
1527 clear_rect (d, x, y, w, h, bg);
1528 }
1529 else
1322 } 1530 {
1323 1531 clear_rect (d, x, y, w, h, bg);
1324 if (ep != enc)
1325 XftDrawGlyphs (d, &r->pix_colors[fg].c, f, 1532 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1326 x, y + base, enc, ep - enc); 1533 }
1327} 1534}
1535
1328#endif 1536#endif
1329 1537
1330///////////////////////////////////////////////////////////////////////////// 1538/////////////////////////////////////////////////////////////////////////////
1331 1539
1332rxvt_fontset::rxvt_fontset (rxvt_t r) 1540rxvt_fontset::rxvt_fontset (rxvt_term *term)
1333: fontdesc (0), r (r) 1541: fontdesc (0), term (term)
1334{ 1542{
1335 clear (); 1543 clear ();
1336} 1544}
1337 1545
1338rxvt_fontset::~rxvt_fontset () 1546rxvt_fontset::~rxvt_fontset ()
… …
1343void 1551void
1344rxvt_fontset::clear () 1552rxvt_fontset::clear ()
1345{ 1553{
1346 prop.width = prop.height = prop.ascent = prop.weight = prop.slant 1554 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1347 = rxvt_fontprop::unset; 1555 = rxvt_fontprop::unset;
1556 force_prop = false;
1348 1557
1349 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1558 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1350 FONT_UNREF (*i); 1559 (*i)->unref ();
1351 1560
1352 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1561 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1353 delete *p; 1562 delete *p;
1354 1563
1355 free (fontdesc); fontdesc = 0; 1564 free (fontdesc); fontdesc = 0;
… …
1357 fonts.clear (); 1566 fonts.clear ();
1358 1567
1359 fallback = fallback_fonts; 1568 fallback = fallback_fonts;
1360} 1569}
1361 1570
1571void
1572rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1573{
1574 font->set_term (term);
1575
1576 font->cs = cs;
1577 font->loaded = false;
1578}
1579
1362rxvt_font * 1580rxvt_font *
1363rxvt_fontset::new_font (const char *name, codeset cs) 1581rxvt_fontset::new_font (const char *name, codeset cs)
1364{ 1582{
1365 rxvt_font *f; 1583 rxvt_font *f;
1366 1584
1367 if (!name || !*name) 1585 if (!name || !*name)
1368 { 1586 {
1369 name = ""; 1587 name = "";
1370 f = new rxvt_font_default (this); 1588 f = new rxvt_font_default (this);
1371 } 1589 }
… …
1382 f = new rxvt_font_x11; 1600 f = new rxvt_font_x11;
1383 } 1601 }
1384 else 1602 else
1385 f = new rxvt_font_x11; 1603 f = new rxvt_font_x11;
1386 1604
1387 f->set_term (r);
1388 f->set_name (strdup (name)); 1605 f->set_name (strdup (name));
1389 1606 prepare_font (f, cs);
1390 f->cs = cs;
1391 f->loaded = false;
1392 1607
1393 return f; 1608 return f;
1394} 1609}
1395 1610
1396///////////////////////////////////////////////////////////////////////////// 1611/////////////////////////////////////////////////////////////////////////////
1612
1613void
1614rxvt_fontset::push_font (rxvt_font *font)
1615{
1616 // the fontCount index is reserved for the overflow font, it is only
1617 // necessary when we get fontCount or more fonts, as they cannot be
1618 // represented in the rendition.
1619 if (fonts.size () == fontCount)
1620 {
1621 rxvt_font *f = new rxvt_font_overflow (this);
1622
1623 prepare_font (f, CS_UNICODE);
1624 fonts.push_back (f);
1625 }
1626
1627 fonts.push_back (font);
1628}
1397 1629
1398void 1630void
1399rxvt_fontset::add_fonts (const char *desc) 1631rxvt_fontset::add_fonts (const char *desc)
1400{ 1632{
1401 if (desc) 1633 if (desc)
… …
1430 cs = codeset_from_name (spec + sizeof ("codeset=") - 1); 1662 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1431 else 1663 else
1432 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); 1664 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1433 1665
1434 desc++; 1666 desc++;
1435 while (*desc <= ' ') desc++; 1667 while (*desc <= ' ' && *desc) desc++;
1436 } 1668 }
1437 1669
1438 end = strchr (desc, ','); 1670 end = strchr (desc, ',');
1439 if (!end) 1671 if (!end)
1440 end = desc + strlen (desc); 1672 end = desc + strlen (desc);
1441 1673
1442 if (end - desc < 511) 1674 if (end - desc < 511)
1443 { 1675 {
1444 strncpy (buf, desc, end - desc); 1676 memcpy (buf, desc, end - desc);
1445 buf[end - desc] = 0; 1677 buf[end - desc] = 0;
1446 1678
1447 fonts.push_back (new_font (buf, cs)); 1679 push_font (new_font (buf, cs));
1448 } 1680 }
1449 else 1681 else
1450 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1682 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1451 1683
1452 desc = end + 1; 1684 desc = end + 1;
1453 } 1685 }
1454 while (*end); 1686 while (*end);
1455 } 1687 }
… …
1464 if (fonts[i]->loaded) 1696 if (fonts[i]->loaded)
1465 return true; 1697 return true;
1466 1698
1467 fonts[i]->loaded = true; 1699 fonts[i]->loaded = true;
1468 1700
1469 if (!fonts[i]->load (prop)) 1701 if (!fonts[i]->load (prop, force_prop))
1470 { 1702 {
1471 fonts[i]->cs = CS_UNKNOWN; 1703 fonts[i]->cs = CS_UNKNOWN;
1472 return false; 1704 return false;
1473 } 1705 }
1474 1706
… …
1480{ 1712{
1481 clear (); 1713 clear ();
1482 1714
1483 fontdesc = strdup (desc); 1715 fontdesc = strdup (desc);
1484 1716
1485 fonts.push_back (new_font (0, CS_UNICODE)); 1717 push_font (new_font (0, CS_UNICODE));
1486 realize_font (0); 1718 realize_font (0);
1487 1719
1488 add_fonts (desc); 1720 add_fonts (desc);
1489 1721
1490 return true; 1722 return true;
… …
1499 1731
1500 return -1; 1732 return -1;
1501} 1733}
1502 1734
1503int 1735int
1504rxvt_fontset::find_font (unicode_t unicode) 1736rxvt_fontset::find_font_idx (unicode_t unicode)
1505{ 1737{
1506 if (unicode >= 1<<20) 1738 // this limits fmap size. it has to accommodate COMPOSE_HI when UNICODE_3
1739 if (unicode > 0x1fffff)
1507 return 0; 1740 return 0;
1508 1741
1509 unicode_t hi = unicode >> 8; 1742 unicode_t hi = unicode >> 8;
1510 1743
1511 if (hi < fmap.size () 1744 if (hi < fmap.size ())
1512 && fmap[hi] 1745 if (pagemap *pm = fmap[hi])
1513 && (*fmap[hi])[unicode & 0xff] != 0xff) 1746 if ((*pm)[unicode & 0xff] != 0xff)
1514 return (*fmap[hi])[unicode & 0xff]; 1747 return (*pm)[unicode & 0xff];
1515 1748
1516 unsigned int i; 1749 unsigned int i;
1517 1750
1518 for (i = 0; i < fonts.size (); i++) 1751 for (i = 0; i < fonts.size (); i++)
1519 { 1752 {
… …
1535 goto next_font; 1768 goto next_font;
1536 1769
1537 bool careful; 1770 bool careful;
1538 if (f->has_char (unicode, &prop, careful)) 1771 if (f->has_char (unicode, &prop, careful))
1539 { 1772 {
1540 if (careful) 1773 i = (i << 1) | careful;
1541 i |= 128;
1542 1774
1543 goto found; 1775 goto found;
1544 } 1776 }
1545 1777
1546 next_font: 1778 next_font:
1547 if (i == fonts.size () - 1) 1779 if (i == fonts.size () - 1)
1548 { 1780 {
1781 // compose characters are handled by the default font, unless another font takes over
1782 // we do not go via the fallback list for speed reasons.
1783 if (IS_COMPOSE (unicode))
1784 return 0;
1785
1549 if (fallback->name) 1786 if (fallback->name)
1550 { 1787 {
1551 // search through the fallback list 1788 // search through the fallback list
1552 fonts.push_back (new_font (fallback->name, fallback->cs)); 1789 push_font (new_font (fallback->name, fallback->cs));
1553 fallback++; 1790 fallback++;
1554 } 1791 }
1555 else 1792 else
1556 { 1793 {
1557 // try to find a new font. 1794 // try to find a new font.
… …
1559 // way to configure this and xft is easier to hack in, 1796 // way to configure this and xft is easier to hack in,
1560 // while x11 has more framework in place already. 1797 // while x11 has more framework in place already.
1561 // TODO: this is a real resource hog, xft takes ages(?) 1798 // TODO: this is a real resource hog, xft takes ages(?)
1562#if XFT && USE_SLOW_LOOKUP 1799#if XFT && USE_SLOW_LOOKUP
1563 // grab the first xft font that seems suitable 1800 // grab the first xft font that seems suitable
1801 // TOOD: should go first for cellchar (spacing 110) then mono, then else
1564 FcPattern *p = FcPatternCreate (); 1802 FcPattern *p = FcPatternCreate ();
1565 1803
1566 FcCharSet *s = FcCharSetCreate (); 1804 FcCharSet *s = FcCharSetCreate ();
1567 FcCharSetAddChar (s, unicode); 1805 FcCharSetAddChar (s, unicode);
1568 FcPatternAddCharSet (p, FC_CHARSET, s); 1806 FcPatternAddCharSet (p, FC_CHARSET, s);
… …
1575 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1813 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1576 FcPatternAddBool (p, FC_MINSPACE, 1); 1814 FcPatternAddBool (p, FC_MINSPACE, 1);
1577 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1815 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1578 1816
1579 XftResult result; 1817 XftResult result;
1580 FcPattern *match = XftFontMatch (DISPLAY, r->display->screen, p, &result); 1818 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1581 1819
1582 FcPatternDestroy (p); 1820 FcPatternDestroy (p);
1583 1821
1584 if (match) 1822 if (match)
1585 { 1823 {
… …
1588 FcPatternDestroy (match); 1826 FcPatternDestroy (match);
1589 1827
1590 if (find_font (font) < 0) 1828 if (find_font (font) < 0)
1591 { 1829 {
1592 char fontname[4096]; 1830 char fontname[4096];
1593 sprintf (fontname, "xft:%-.4090s", font); 1831 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1594 1832
1595 fonts.push_back (new_font (fontname, CS_UNICODE)); 1833 push_font (new_font (fontname, CS_UNICODE));
1596 } 1834 }
1597 1835
1598 free (font); 1836 free (font);
1599 } 1837 }
1600#endif 1838#endif
… …
1612 while (hi >= fmap.size ()) 1850 while (hi >= fmap.size ())
1613 fmap.push_back (0); 1851 fmap.push_back (0);
1614 1852
1615 if (!fmap[hi]) 1853 if (!fmap[hi])
1616 { 1854 {
1617 fmap[hi] = (pagemap *)new pagemap; 1855 fmap[hi] = new pagemap;
1618 memset (fmap[hi], 0xff, sizeof (pagemap)); 1856 memset (fmap[hi], 0xff, sizeof (pagemap));
1619 } 1857 }
1620 1858
1621 (*fmap[hi])[unicode & 0xff] = i; 1859 (*fmap[hi])[unicode & 0xff] = i;
1622 } 1860 }
1623 1861
1624 return i; 1862 return i;
1625} 1863}
1626 1864
1627
1628

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