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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.70 by root, Tue Apr 26 00:35:00 2005 UTC vs.
Revision 1.83 by root, Mon Jan 9 07:35:23 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: rxvtfont.C 2 * File: rxvtfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 4 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
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 2 of the License, or
… …
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 "rxvtlib.h"
24#include "rxvtutil.h" 25#include "rxvtutil.h"
25#include "rxvtfont.h" 26#include "rxvtfont.h"
26 27
27#include <cstdlib> 28#include <cstdlib>
28#include <wchar.h> 29#include <wchar.h>
29#include <inttypes.h> 30#include <inttypes.h>
30 31
31#define DISPLAY r->display->display 32#define DISPLAY r->display->display
32#define TGC r->TermWin.gc 33#define TGC r->gc
33 34
34#define MAX_OVERLAP (4 + 1) // max. character width in 4ths of the base width 35#define MAX_OVERLAP (4 + 1) // max. character width in 4ths of the base width
35 36
36const struct rxvt_fallback_font { 37const struct rxvt_fallback_font {
37 codeset cs; 38 codeset cs;
… …
276 rxvt_fontprop properties () 277 rxvt_fontprop properties ()
277 { 278 {
278 rxvt_fontprop p; 279 rxvt_fontprop p;
279 280
280 p.width = p.height = 1; 281 p.width = p.height = 1;
282 p.ascent = rxvt_fontprop::unset;
281 p.weight = rxvt_fontprop::medium; 283 p.weight = rxvt_fontprop::medium;
282 p.slant = rxvt_fontprop::roman; 284 p.slant = rxvt_fontprop::roman;
283 285
284 return p; 286 return p;
285 } 287 }
… …
305 return false; 307 return false;
306 308
307 if (unicode <= 0x009f) 309 if (unicode <= 0x009f)
308 return true; 310 return true;
309 311
310 if (unicode >= 0x2500 && unicode <= 0x259f) 312 if (unicode >= 0x2500 && unicode <= 0x259f &&
313 !r->option (Opt_skipBuiltinGlyphs))
311 return true; 314 return true;
312 315
313 if (IS_COMPOSE (unicode)) 316 if (IS_COMPOSE (unicode))
314 return true; 317 return true;
315 318
… …
333 const text_t *text, int len, 336 const text_t *text, int len,
334 int fg, int bg) 337 int fg, int bg)
335{ 338{
336 Display *disp = d.display->display; 339 Display *disp = d.display->display;
337 340
338 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 341 clear_rect (d, x, y, r->fwidth * len, r->fheight, bg);
339 342
340 XSetForeground (disp, TGC, r->pix_colors[fg]); 343 XSetForeground (disp, TGC, r->pix_colors[fg]);
341 344
342 while (len) 345 while (len)
343 { 346 {
… …
349 352
350 while (++text, --len && *text == NOCHAR) 353 while (++text, --len && *text == NOCHAR)
351 ; 354 ;
352 355
353 int width = text - tp; 356 int width = text - tp;
354 int fwidth = r->TermWin.fwidth * width; 357 int fwidth = r->fwidth * width;
355 358
356 if (0x2500 <= t && t <= 0x259f) 359 if (0x2500 <= t && t <= 0x259f)
357 { 360 {
358 uint16_t offs = linedraw_offs[t - 0x2500]; 361 uint16_t offs = linedraw_offs[t - 0x2500];
359 uint32_t *a = linedraw_command + (offs >> 4); 362 uint32_t *a = linedraw_command + (offs >> 4);
360 uint32_t *b = a + (offs & 15); 363 uint32_t *b = a + (offs & 15);
361 364
362 int W = fwidth; 365 int W = fwidth;
363 int H = r->TermWin.fheight; 366 int H = r->fheight;
364 367
365 int x_[16]; 368 int x_[16];
366 int y_[16]; 369 int y_[16];
367 370
368 for (int i = 0; i <= 8; i++) 371 for (int i = 0; i <= 8; i++)
… …
464 case NOCHAR: 467 case NOCHAR:
465 break; 468 break;
466 469
467 default: 470 default:
468 XDrawRectangle (disp, d, TGC, x + 2, y + 2, 471 XDrawRectangle (disp, d, TGC, x + 2, y + 2,
469 fwidth - 4, r->TermWin.fheight - 4); 472 fwidth - 4, r->fheight - 4);
470 } 473 }
471 474
472 x += fwidth; 475 x += fwidth;
473 } 476 }
474} 477}
… …
523bool 526bool
524rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 527rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
525{ 528{
526 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 529 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
527 p.height = height; 530 p.height = height;
531 p.ascent = rxvt_fontprop::unset;
528 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 532 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; 533 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
530 534
531 return true; 535 return true;
532} 536}
… …
552 556
553 set_properties (p, height, weight, slant, avgwidth); 557 set_properties (p, height, weight, slant, avgwidth);
554 558
555 free (weight); 559 free (weight);
556 free (slant); 560 free (slant);
561
562 p.ascent = f->ascent;
557 563
558 return true; 564 return true;
559} 565}
560 566
561bool 567bool
… …
851 857
852 XCharStruct g; 858 XCharStruct g;
853 int dir_ret, asc_ret, des_ret; 859 int dir_ret, asc_ret, des_ret;
854 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 860 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
855 861
856 int wcw = wcwidth (*t); if (wcw > 0) g.width = g.width / wcw; 862 int wcw = wcwidth (*t); if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
857 863
858 if (width < g.width) width = g.width; 864 if (width < g.width) width = g.width;
859 } 865 }
860 866
861 if (cs == CS_UNKNOWN) 867 if (cs == CS_UNKNOWN)
… …
936 return true; 942 return true;
937 943
938 // check character against base font bounding box 944 // check character against base font bounding box
939 int w = xcs->width; 945 int w = xcs->width;
940 int wcw = wcwidth (unicode); 946 int wcw = wcwidth (unicode);
941 if (wcw > 0) w /= wcw; 947 if (wcw > 0) w = (w + wcw - 1) / wcw;
942 948
943 careful = w > prop->width; 949 careful = w > prop->width;
944 if (careful && w > prop->width * MAX_OVERLAP >> 2) 950 if (careful && w > prop->width * MAX_OVERLAP >> 2)
945 return false; 951 return false;
946 952
… …
956 // and it is a mess /. 962 // and it is a mess /.
957 // yet we are trying to be perfect /. 963 // yet we are trying to be perfect /.
958 // but the result still isn't perfect /. 964 // but the result still isn't perfect /.
959 965
960 bool slow = this->slow 966 bool slow = this->slow
961 || width != r->TermWin.fwidth 967 || width != r->fwidth
962 || height != r->TermWin.fheight; 968 || height != r->fheight;
963 969
964 int base = ascent; // sorry, incorrect: r->TermWin.fbase; 970 int base = ascent; // sorry, incorrect: r->fbase;
965 971
966 XGCValues v; 972 XGCValues v;
967 v.foreground = r->pix_colors[fg]; 973 v.foreground = r->pix_colors[fg];
968 v.font = f->fid; 974 v.font = f->fid;
969 975
… …
977 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 983 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v);
978 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 984 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len);
979 } 985 }
980 else 986 else
981 { 987 {
982 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 988 clear_rect (d, x, y, r->fwidth * len, r->fheight, bg);
983 989
984 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 990 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v);
985 991
986 if (slow) 992 if (slow)
987 { 993 {
988 do 994 do
989 { 995 {
990 if (xc->byte1 || xc->byte2) 996 if (xc->byte1 || xc->byte2)
991 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 997 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1);
992 998
993 x += r->TermWin.fwidth; 999 x += r->fwidth;
994 xc++; len--; 1000 xc++; len--;
995 } 1001 }
996 while (len); 1002 while (len);
997 } 1003 }
998 else 1004 else
… …
1009 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1015 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v);
1010 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1016 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len);
1011 } 1017 }
1012 else 1018 else
1013 { 1019 {
1014 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1020 clear_rect (d, x, y, r->fwidth * len, r->fheight, bg);
1015 1021
1016 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1022 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v);
1017 1023
1018 if (slow) 1024 if (slow)
1019 { 1025 {
1020 do 1026 do
1021 { 1027 {
1022 if (*xc) 1028 if (*xc)
1023 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1029 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1);
1024 1030
1025 x += r->TermWin.fwidth; 1031 x += r->fwidth;
1026 xc++; len--; 1032 xc++; len--;
1027 } 1033 }
1028 while (len); 1034 while (len);
1029 } 1035 }
1030 else 1036 else
… …
1073 1079
1074 FT_Face face = XftLockFace (f); 1080 FT_Face face = XftLockFace (f);
1075 1081
1076 p.width = width; 1082 p.width = width;
1077 p.height = height; 1083 p.height = height;
1084 p.ascent = ascent;
1078 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD 1085 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
1079 ? rxvt_fontprop::bold : rxvt_fontprop::medium; 1086 ? rxvt_fontprop::bold : rxvt_fontprop::medium;
1080 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC 1087 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
1081 ? rxvt_fontprop::italic : rxvt_fontprop::roman; 1088 ? rxvt_fontprop::italic : rxvt_fontprop::roman;
1082 1089
… …
1154 1161
1155 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; 1162 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
1156 1163
1157 XftUnlockFace (f); 1164 XftUnlockFace (f);
1158 1165
1166 int glheight = height;
1167
1159 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1168 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
1160 { 1169 {
1161 FcChar16 ch = *t; 1170 FcChar16 ch = *t;
1162 1171
1163 if (cs != CS_UNICODE 1172 if (cs != CS_UNICODE
… …
1171 continue; 1180 continue;
1172 1181
1173 XGlyphInfo g; 1182 XGlyphInfo g;
1174 XftTextExtents16 (disp, f, &ch, 1, &g); 1183 XftTextExtents16 (disp, f, &ch, 1, &g);
1175 1184
1185 g.width -= g.x;
1186
1176 int wcw = wcwidth (ch); 1187 int wcw = wcwidth (ch);
1177 if (wcw > 0) g.width = g.width / wcw; 1188 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1178 1189
1179 if (width < g.width) width = g.width; 1190 if (width < g.width ) width = g.width;
1180 if (height < g.height) height = g.height; 1191 if (height < g.height ) height = g.height;
1192 if (glheight < g.height - g.y) glheight = g.height - g.y;
1193 }
1194
1195 if (!width)
1196 {
1197 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name);
1198
1199 XftFontClose (disp, f);
1200 f = 0;
1201
1202 success = false;
1203 break;
1181 } 1204 }
1182 1205
1183 if (prop.height == rxvt_fontprop::unset 1206 if (prop.height == rxvt_fontprop::unset
1184 || height <= prop.height 1207 || (height <= prop.height && glheight <= prop.height)
1185 || height <= 2 1208 || height <= 2
1186 || !scalable) 1209 || !scalable)
1187 break; 1210 break;
1188 1211
1189 if (ftheight) 1212 if (ftheight)
… …
1196 ftheight -= height - prop.height; 1219 ftheight -= height - prop.height;
1197 } 1220 }
1198 else 1221 else
1199 ftheight = prop.height - 1; 1222 ftheight = prop.height - 1;
1200 1223
1201 XftFontClose (disp, f); 1224 XftFontClose (disp, f);
1202 FcPatternDel (match, FC_PIXEL_SIZE); 1225 FcPatternDel (match, FC_PIXEL_SIZE);
1203 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); 1226 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
1204 } 1227 }
1205 1228
1206 FcPatternDestroy (match); 1229 FcPatternDestroy (match);
1207 1230
1208#if 0 // do it per-character 1231#if 0 // do it per-character
… …
1230 // check character against base font bounding box 1253 // check character against base font bounding box
1231 FcChar32 ch = unicode; 1254 FcChar32 ch = unicode;
1232 XGlyphInfo g; 1255 XGlyphInfo g;
1233 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1256 XftTextExtents32 (DISPLAY, f, &ch, 1, &g);
1234 1257
1235 int w = g.width; 1258 int w = g.width - g.x;
1236 int wcw = wcwidth (unicode); 1259 int wcw = wcwidth (unicode);
1237 if (wcw > 0) w /= wcw; 1260 if (wcw > 0) w = (w + wcw - 1) / wcw;
1238 1261
1239 careful = w > prop->width; 1262 careful = w > prop->width;
1240 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1263 if (careful && w > prop->width * MAX_OVERLAP >> 2)
1241 return false; 1264 return false;
1242 1265
… …
1246void 1269void
1247rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1270rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1248 const text_t *text, int len, 1271 const text_t *text, int len,
1249 int fg, int bg) 1272 int fg, int bg)
1250{ 1273{
1251 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
1252
1253 int base = ascent; // should be fbase, but that is incorrect
1254
1255 XGlyphInfo extents; 1274 XGlyphInfo extents;
1256 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1275 XftGlyphSpec *enc = (XftGlyphSpec *)get_enc_buf (len * sizeof (XftGlyphSpec));
1257 FcChar32 *ep = enc; 1276 XftGlyphSpec *ep = enc;
1258 int ewidth = 0; 1277
1259 int xoff = 0; 1278 clear_rect (d, x, y, r->fwidth * len, r->fheight, bg);
1279
1280 // cut trailing spaces
1281 while (len && text [len - 1] == ' ')
1282 len--;
1260 1283
1261 while (len) 1284 while (len)
1262 { 1285 {
1263 int cwidth = r->TermWin.fwidth; 1286 int cwidth = r->fwidth;
1264 FcChar32 fc = *text++; len--; 1287 FcChar32 fc = *text++; len--;
1265 FT_UInt gl;
1266 1288
1267 while (len && *text == NOCHAR) 1289 while (len && *text == NOCHAR)
1268 text++, len--, cwidth += r->TermWin.fwidth; 1290 text++, len--, cwidth += r->fwidth;
1269 1291
1292 if (fc != ' ') // skip spaces
1293 {
1270 gl = XftCharIndex (d.display->display, f, fc); 1294 FT_UInt glyph = XftCharIndex (d.display->display, f, fc);
1271 XftGlyphExtents (d.display->display, f, &gl, 1, &extents); 1295 XftGlyphExtents (d.display->display, f, &glyph, 1, &extents);
1272 1296
1273 if (extents.xOff != cwidth && ep != enc) 1297 ep->glyph = glyph;
1298 ep->x = x + (cwidth - extents.xOff >> 1);
1299 ep->y = y + ascent;
1300 ep++;
1274 { 1301 }
1275 if (xoff > ewidth) xoff = ewidth;
1276 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1277 x + (ewidth - xoff >> 1),
1278 y + base, enc, ep - enc);
1279 x += ewidth;
1280 1302
1281 ep = enc;
1282 ewidth = 0;
1283 xoff = 0;
1284 }
1285
1286 if (fc == ' ' && ep == enc) // skip leading spaces
1287 {
1288 x += cwidth; 1303 x += cwidth;
1289 continue;
1290 }
1291
1292 else
1293 {
1294 *ep++ = gl;
1295 ewidth += cwidth;
1296 xoff += extents.xOff;
1297 }
1298 } 1304 }
1299 1305
1300 if (ep != enc) 1306 if (ep != enc)
1301 {
1302 if (xoff > ewidth) xoff = ewidth;
1303 XftDrawGlyphs (d, &r->pix_colors[fg].c, f, 1307 XftDrawGlyphSpec (d, &r->pix_colors[fg].c, f, enc, ep - enc);
1304 x + (ewidth - xoff >> 1),
1305 y + base, enc, ep - enc);
1306 }
1307} 1308}
1308#endif 1309#endif
1309 1310
1310///////////////////////////////////////////////////////////////////////////// 1311/////////////////////////////////////////////////////////////////////////////
1311 1312
1312rxvt_fontset::rxvt_fontset (rxvt_t r) 1313rxvt_fontset::rxvt_fontset (rxvt_t r)
1313: r (r), fontdesc (0) 1314: fontdesc (0), r (r)
1314{ 1315{
1315 clear (); 1316 clear ();
1316} 1317}
1317 1318
1318rxvt_fontset::~rxvt_fontset () 1319rxvt_fontset::~rxvt_fontset ()
… …
1321} 1322}
1322 1323
1323void 1324void
1324rxvt_fontset::clear () 1325rxvt_fontset::clear ()
1325{ 1326{
1326 prop.width = prop.height = prop.weight = prop.slant 1327 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1327 = rxvt_fontprop::unset; 1328 = rxvt_fontprop::unset;
1328 1329
1329 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1330 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1330 FONT_UNREF (*i); 1331 FONT_UNREF (*i);
1331 1332
… …
1504 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1505 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1505 goto next_font; 1506 goto next_font;
1506 1507
1507 if (!realize_font (i)) 1508 if (!realize_font (i))
1508 goto next_font; 1509 goto next_font;
1510
1511 if (prop.ascent != rxvt_fontprop::unset)
1512 max_it (f->ascent, prop.ascent);
1509 } 1513 }
1510 1514
1511 if (f->cs == CS_UNKNOWN) 1515 if (f->cs == CS_UNKNOWN)
1512 goto next_font; 1516 goto next_font;
1513 1517

Diff Legend

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