… | |
… | |
134 | # endif |
134 | # endif |
135 | #endif |
135 | #endif |
136 | |
136 | |
137 | //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs. |
137 | //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs. |
138 | #if XFT |
138 | #if XFT |
139 | { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" }, |
139 | { CS_UNICODE, "xft:DejaVu Sans Mono:antialias=false:autohint=true" }, |
140 | { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, |
140 | { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, |
141 | { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, |
141 | { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, |
142 | { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" }, |
142 | { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" }, |
143 | |
143 | |
144 | // FreeMono is usually uglier than x fonts, so try after the others |
144 | // FreeMono is usually uglier than x fonts, so try after the others |
145 | { CS_UNICODE, "xft:FreeMono:autohint=true" }, |
145 | { CS_UNICODE, "xft:FreeMono:autohint=true" }, |
146 | #endif |
146 | #endif |
147 | |
147 | |
… | |
… | |
152 | { CS_UNKNOWN, 0 } |
152 | { CS_UNKNOWN, 0 } |
153 | }; |
153 | }; |
154 | |
154 | |
155 | // these characters are used to guess the font height and width |
155 | // these characters are used to guess the font height and width |
156 | // 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. |
157 | static uint16_t extent_test_chars[] = { |
157 | static uint32_t extent_test_chars[] = { |
158 | '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', |
158 | '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', |
159 | 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ |
159 | 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ |
160 | 0x304c, 0x672c, // が本 |
160 | 0x304c, 0x672c, // が本 |
|
|
161 | 0x1f600, // 😀 |
161 | }; |
162 | }; |
162 | |
163 | |
163 | #define dTermDisplay Display *disp = term->dpy |
164 | #define dTermDisplay Display *disp = term->dpy |
164 | #define dTermGC GC gc = term->gc |
165 | #define dTermGC GC gc = term->gc |
165 | |
166 | |
… | |
… | |
517 | } |
518 | } |
518 | |
519 | |
519 | bool load (const rxvt_fontprop &prop, bool force_prop) |
520 | bool load (const rxvt_fontprop &prop, bool force_prop) |
520 | { |
521 | { |
521 | width = 1; height = 1; |
522 | width = 1; height = 1; |
522 | ascent = 1; descent = 0; |
523 | ascent = 1; |
|
|
524 | descent = (*fs)[2]->descent; |
523 | |
525 | |
524 | set_name (strdup ("built-in rendition overflow font")); |
526 | set_name (strdup ("built-in rendition overflow font")); |
525 | |
527 | |
526 | return true; |
528 | return true; |
527 | } |
529 | } |
… | |
… | |
935 | } |
937 | } |
936 | #endif |
938 | #endif |
937 | |
939 | |
938 | width = 1; |
940 | width = 1; |
939 | |
941 | |
940 | for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++) |
942 | for (uint32_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++) |
941 | { |
943 | { |
942 | if (FROM_UNICODE (cs, *t) == NOCHAR) |
944 | if (FROM_UNICODE (cs, *t) == NOCHAR) |
943 | continue; |
945 | continue; |
944 | |
946 | |
945 | // ignore characters we wouldn't use anyways |
947 | // ignore characters we wouldn't use anyways |
… | |
… | |
1137 | |
1139 | |
1138 | #if XFT |
1140 | #if XFT |
1139 | |
1141 | |
1140 | struct rxvt_font_xft : rxvt_font |
1142 | struct rxvt_font_xft : rxvt_font |
1141 | { |
1143 | { |
|
|
1144 | #if XFT_CHAR_CACHE |
|
|
1145 | // we cache the qascii range xoffsets in the name of speed, |
|
|
1146 | // expecting terminals to deal mostly with these characters |
|
|
1147 | // we also assume the xoff always fits into uint8_t, |
|
|
1148 | // which is questionable, but let's see... |
|
|
1149 | // also, it is uncomfortably big, due to the uints. |
|
|
1150 | enum { char_cache_min = 0x20, char_cache_max = 0x7e }; |
|
|
1151 | uint8_t xoff_cache [char_cache_max - char_cache_min + 1]; |
|
|
1152 | FT_UInt glyph_cache [char_cache_max - char_cache_min + 1]; |
|
|
1153 | #endif |
|
|
1154 | |
1142 | rxvt_font_xft () |
1155 | rxvt_font_xft () |
1143 | { |
1156 | { |
1144 | f = 0; |
1157 | f = 0; |
1145 | } |
1158 | } |
1146 | |
1159 | |
… | |
… | |
1252 | break; |
1265 | break; |
1253 | } |
1266 | } |
1254 | |
1267 | |
1255 | FT_Face face = XftLockFace (f); |
1268 | FT_Face face = XftLockFace (f); |
1256 | |
1269 | |
|
|
1270 | // fuck me plenty: XftLockFace can actually return 0. try not to crash. |
|
|
1271 | // we also assume blindly that if the first lock succeeds, then subsequent |
|
|
1272 | // locks will also succeed. |
|
|
1273 | if (!face) |
|
|
1274 | { |
|
|
1275 | XftFontClose (disp, f); |
|
|
1276 | success = false; |
|
|
1277 | break; |
|
|
1278 | } |
|
|
1279 | |
1257 | ascent = (face->size->metrics.ascender + 63) >> 6; |
1280 | ascent = (face->size->metrics.ascender + 63) >> 6; |
1258 | descent = (-face->size->metrics.descender + 63) >> 6; |
1281 | descent = (-face->size->metrics.descender + 63) >> 6; |
1259 | height = max (ascent + descent, (face->size->metrics.height + 63) >> 6); |
1282 | height = max (ascent + descent, (face->size->metrics.height + 63) >> 6); |
1260 | width = 0; |
1283 | width = 0; |
1261 | |
1284 | |
… | |
… | |
1263 | |
1286 | |
1264 | XftUnlockFace (f); |
1287 | XftUnlockFace (f); |
1265 | |
1288 | |
1266 | int glheight = height; |
1289 | int glheight = height; |
1267 | |
1290 | |
1268 | for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++) |
1291 | for (uint32_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++) |
1269 | { |
1292 | { |
1270 | FcChar16 ch = *t; |
1293 | FcChar32 ch = *t; |
1271 | |
1294 | |
1272 | if (cs != CS_UNICODE |
1295 | if (cs != CS_UNICODE |
1273 | && ch > 0x100 |
1296 | && ch > 0x100 |
1274 | && FROM_UNICODE (cs, ch) == NOCHAR) |
1297 | && FROM_UNICODE (cs, ch) == NOCHAR) |
1275 | continue; |
1298 | continue; |
… | |
… | |
1278 | bool careful; |
1301 | bool careful; |
1279 | if (!has_char (*t, &prop, careful)) |
1302 | if (!has_char (*t, &prop, careful)) |
1280 | continue; |
1303 | continue; |
1281 | |
1304 | |
1282 | XGlyphInfo g; |
1305 | XGlyphInfo g; |
1283 | XftTextExtents16 (disp, f, &ch, 1, &g); |
1306 | XftTextExtents32 (disp, f, &ch, 1, &g); |
1284 | |
1307 | |
1285 | g.width -= g.x; |
1308 | g.width -= g.x; |
1286 | |
1309 | |
1287 | int wcw = WCWIDTH (ch); |
1310 | int wcw = WCWIDTH (ch); |
1288 | if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; |
1311 | if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; |
… | |
… | |
1330 | clear (); |
1353 | clear (); |
1331 | success = false; |
1354 | success = false; |
1332 | } |
1355 | } |
1333 | #endif |
1356 | #endif |
1334 | |
1357 | |
|
|
1358 | #if XFT_CHAR_CACHE |
|
|
1359 | // populate char cache |
|
|
1360 | for (FcChar16 ch = char_cache_min; ch <= char_cache_max; ++ch) |
|
|
1361 | { |
|
|
1362 | FT_UInt glyph = XftCharIndex (disp, f, ch); |
|
|
1363 | glyph_cache [ch - char_cache_min] = glyph; |
|
|
1364 | |
|
|
1365 | XGlyphInfo g; |
|
|
1366 | XftGlyphExtents (disp, f, &glyph, 1, &g); |
|
|
1367 | xoff_cache [ch - char_cache_min] = g.xOff; |
|
|
1368 | } |
|
|
1369 | #endif |
|
|
1370 | |
1335 | return success; |
1371 | return success; |
1336 | } |
1372 | } |
1337 | |
1373 | |
1338 | bool |
1374 | bool |
1339 | rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const |
1375 | rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const |
1340 | { |
1376 | { |
1341 | careful = false; |
1377 | careful = false; |
1342 | |
1378 | |
1343 | rxvt_compose_expand_static<FcChar32> exp; |
1379 | // handle non-bmp chars when text_t is 16 bit |
1344 | FcChar32 *chrs = exp (unicode); |
1380 | #if ENABLE_COMBINING && !UNICODE_3 |
1345 | int nchrs = exp.length (chrs); |
1381 | if (ecb_expect_false (IS_COMPOSE (unicode))) |
1346 | |
1382 | if (compose_char *cc = rxvt_composite [unicode]) |
1347 | // allm chars in sequence must be available |
1383 | if (cc->c2 == NOCHAR) |
1348 | for (int i = 0; i < nchrs; ++i) |
1384 | unicode = cc->c1; |
1349 | if (!XftCharExists (term->dpy, f, chrs [i])) |
1385 | else |
|
|
1386 | return false; |
|
|
1387 | else |
1350 | return false; |
1388 | return false; |
|
|
1389 | #endif |
|
|
1390 | |
|
|
1391 | FcChar32 chr = unicode; |
|
|
1392 | |
|
|
1393 | if (!XftCharExists (term->dpy, f, chr)) |
|
|
1394 | return false; |
1351 | |
1395 | |
1352 | if (!prop || prop->width == rxvt_fontprop::unset) |
1396 | if (!prop || prop->width == rxvt_fontprop::unset) |
1353 | return true; |
1397 | return true; |
1354 | |
1398 | |
1355 | int wcw = max (WCWIDTH (chrs [0]), 1); |
1399 | int wcw = max (WCWIDTH (chr), 1); |
1356 | |
1400 | |
1357 | // we check against all glyph sizes. this is probably wrong, |
|
|
1358 | // due to the way ->draw positions these glyphs. |
|
|
1359 | for (int i = 0; i < nchrs; ++i) |
|
|
1360 | { |
|
|
1361 | XGlyphInfo g; |
1401 | XGlyphInfo g; |
1362 | XftTextExtents32 (term->dpy, f, chrs + i, 1, &g); |
1402 | XftTextExtents32 (term->dpy, f, &chr, 1, &g); |
1363 | |
1403 | |
|
|
1404 | int cwidth = prop->width * wcw; |
|
|
1405 | |
|
|
1406 | // use same adjustments as in ->draw, see there |
|
|
1407 | g.x += g.xOff ? cwidth - g.xOff >> 1 : 0; |
|
|
1408 | g.x += g.xOff ? 0 : cwidth; |
|
|
1409 | |
1364 | int w = g.width - g.x; |
1410 | int w = g.width - g.x; |
1365 | |
1411 | |
1366 | careful = g.x > 0 || w > prop->width * wcw; |
1412 | careful = g.x > 0 || w > cwidth; |
1367 | |
1413 | |
1368 | if (careful && !OVERLAP_OK (w, wcw, prop)) |
1414 | if (careful && !OVERLAP_OK (w, wcw, prop)) |
1369 | return false; |
1415 | return false; |
1370 | |
1416 | |
1371 | // this weeds out _totally_ broken fonts, or glyphs |
1417 | // this weeds out _totally_ broken fonts, or glyphs |
1372 | if (!OVERLAP_OK (g.xOff, wcw, prop)) |
1418 | if (!OVERLAP_OK (g.xOff, wcw, prop)) |
1373 | return false; |
1419 | return false; |
1374 | } |
|
|
1375 | |
1420 | |
1376 | return true; |
1421 | return true; |
1377 | } |
1422 | } |
1378 | |
1423 | |
1379 | void |
1424 | void |
1380 | rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, |
1425 | rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, |
1381 | const text_t *text, int len, |
1426 | const text_t *text, int len, |
1382 | int fg, int bg) |
1427 | int fg, int bg) |
1383 | { |
1428 | { |
1384 | //XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);//D |
1429 | XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len); |
1385 | //XftGlyphSpec *ep = enc;//D |
1430 | XftGlyphSpec *ep = enc; |
1386 | static vector<XftGlyphSpec> enc; enc.resize (0); // static to avoid malloc, still slow |
|
|
1387 | |
1431 | |
1388 | dTermDisplay; |
1432 | dTermDisplay; |
1389 | dTermGC; |
1433 | dTermGC; |
1390 | |
1434 | |
1391 | int w = term->fwidth * len; |
1435 | int w = term->fwidth * len; |
… | |
… | |
1402 | int y_ = buffered ? 0 : y; |
1446 | int y_ = buffered ? 0 : y; |
1403 | |
1447 | |
1404 | while (len) |
1448 | while (len) |
1405 | { |
1449 | { |
1406 | int cwidth = term->fwidth; |
1450 | int cwidth = term->fwidth; |
1407 | |
|
|
1408 | rxvt_compose_expand_static<FcChar32> exp; |
|
|
1409 | FcChar32 *chrs = exp (*text++); len--; |
1451 | FcChar32 chr = *text++; len--; |
1410 | int nchrs = exp.length (chrs); |
|
|
1411 | |
1452 | |
1412 | while (len && *text == NOCHAR) |
1453 | while (len && *text == NOCHAR) |
1413 | text++, len--, cwidth += term->fwidth; |
1454 | text++, len--, cwidth += term->fwidth; |
1414 | |
1455 | |
1415 | if (chrs [0] != ' ') // skip spaces |
1456 | if (chr != ' ') // skip spaces |
1416 | { |
1457 | { |
|
|
1458 | // handle non-bmp chars when text_t is 16 bit |
|
|
1459 | #if ENABLE_COMBINING && !UNICODE_3 |
|
|
1460 | if (ecb_expect_false (IS_COMPOSE (chr))) |
|
|
1461 | if (compose_char *cc = rxvt_composite [chr]) |
|
|
1462 | if (cc->c2 == NOCHAR) |
|
|
1463 | chr = cc->c1; |
|
|
1464 | #endif |
|
|
1465 | |
1417 | #if 1 |
1466 | #if 0 |
1418 | FT_UInt glyphs [decltype (exp)::max_size]; |
1467 | FT_UInt glyphs [decltype (exp)::max_size]; |
1419 | |
1468 | |
1420 | for (int i = 0; i < nchrs; ++i) |
1469 | for (int i = 0; i < nchrs; ++i) |
1421 | glyphs [i] = XftCharIndex (disp, f, chrs [i]); |
1470 | glyphs [i] = XftCharIndex (disp, f, chrs [i]); |
1422 | |
1471 | |
… | |
… | |
1426 | XftGlyphExtents (disp, f, glyphs+i, 1, &ep); |
1475 | XftGlyphExtents (disp, f, glyphs+i, 1, &ep); |
1427 | 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); |
1476 | 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); |
1428 | } |
1477 | } |
1429 | #endif |
1478 | #endif |
1430 | |
1479 | |
1431 | FT_UInt glyph = XftCharIndex (disp, f, chrs [0]); |
1480 | FT_UInt glyph; |
1432 | XGlyphInfo extents0; |
1481 | int xOff; |
1433 | XftGlyphExtents (disp, f, &glyph, 1, &extents0); |
|
|
1434 | |
1482 | |
1435 | int cx = x_ + (cwidth - extents0.xOff >> 1); |
1483 | #if XFT_CHAR_CACHE |
1436 | int cy = y_ + ascent; |
1484 | if (ecb_expect_true (IN_RANGE_INC (chr, char_cache_min, char_cache_max))) |
1437 | |
|
|
1438 | XftGlyphSpec ep; |
|
|
1439 | ep.glyph = glyph; |
|
|
1440 | ep.x = cx + (extents0.xOff ? 0 : extents0.xOff); |
|
|
1441 | ep.y = cy; |
|
|
1442 | |
|
|
1443 | enc.push_back (ep); |
|
|
1444 | |
|
|
1445 | for (int i = 1; ecb_expect_false (i < nchrs); ++i) |
|
|
1446 | { |
1485 | { |
|
|
1486 | glyph = glyph_cache [chr - char_cache_min]; |
|
|
1487 | xOff = xoff_cache [chr - char_cache_min]; |
|
|
1488 | } |
|
|
1489 | else |
|
|
1490 | #endif |
|
|
1491 | { |
1447 | FT_UInt glyph = XftCharIndex (disp, f, chrs [i]); |
1492 | glyph = XftCharIndex (disp, f, chr); |
1448 | XGlyphInfo extents; |
1493 | XGlyphInfo extents; |
1449 | XftGlyphExtents (disp, f, &glyph, 1, &extents); |
1494 | XftGlyphExtents (disp, f, &glyph, 1, &extents); |
1450 | |
1495 | xOff = extents.xOff; |
1451 | ep.glyph = glyph; |
|
|
1452 | ep.x = cx + (extents.xOff ? 0 : extents0.xOff); |
|
|
1453 | |
|
|
1454 | enc.push_back (ep); |
|
|
1455 | } |
1496 | } |
|
|
1497 | |
|
|
1498 | ep->glyph = glyph; |
|
|
1499 | ep->x = x_; |
|
|
1500 | ep->y = y_ + ascent; |
|
|
1501 | |
|
|
1502 | // the xft font cell might differ from the terminal font cell, |
|
|
1503 | // in which case we use the average between the two. |
|
|
1504 | ep->x += xOff ? cwidth - xOff >> 1 : 0; |
|
|
1505 | |
|
|
1506 | // xft/freetype represent combining characters as characters with zero |
|
|
1507 | // width rendered over the previous character with some fonts, while |
|
|
1508 | // in other fonts, they are considered normal characters, while yet |
|
|
1509 | // in other fonts, they are shifted all over the place. |
|
|
1510 | // we handle the first two cases by keying off on xOff being 0 |
|
|
1511 | // for zero-width chars. normally, we would add extents.xOff |
|
|
1512 | // of the base character here, but we don't have that, so we use cwidth. |
|
|
1513 | ep->x += xOff ? 0 : cwidth; |
|
|
1514 | |
|
|
1515 | ++ep; |
1456 | } |
1516 | } |
1457 | |
1517 | |
1458 | x_ += cwidth; |
1518 | x_ += cwidth; |
1459 | } |
1519 | } |
1460 | |
1520 | |
1461 | if (buffered) |
1521 | if (buffered) |
1462 | { |
1522 | { |
1463 | if (!enc.empty ()) |
1523 | if (ep != enc) |
1464 | { |
1524 | { |
1465 | rxvt_drawable &d2 = d.screen->scratch_drawable (w, h); |
1525 | rxvt_drawable &d2 = d.screen->scratch_drawable (w, h); |
1466 | |
1526 | |
1467 | #ifdef HAVE_IMG |
1527 | #ifdef HAVE_IMG |
1468 | Picture dst = 0; // the only assignment is done conditionally in the following if condition |
1528 | Picture dst = 0; // the only assignment is done conditionally in the following if condition |
… | |
… | |
1514 | } |
1574 | } |
1515 | else |
1575 | else |
1516 | #endif |
1576 | #endif |
1517 | XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h); |
1577 | XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h); |
1518 | |
1578 | |
1519 | XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, &enc[0], enc.size ()); |
1579 | XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc); |
1520 | XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y); |
1580 | XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y); |
1521 | } |
1581 | } |
1522 | else |
1582 | else |
1523 | clear_rect (d, x, y, w, h, bg); |
1583 | clear_rect (d, x, y, w, h, bg); |
1524 | } |
1584 | } |
1525 | else |
1585 | else |
1526 | { |
1586 | { |
1527 | clear_rect (d, x, y, w, h, bg); |
1587 | clear_rect (d, x, y, w, h, bg); |
1528 | XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, &enc[0], enc.size ()); |
1588 | XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc); |
1529 | } |
1589 | } |
1530 | } |
1590 | } |
1531 | |
1591 | |
1532 | #endif |
1592 | #endif |
1533 | |
1593 | |
… | |
… | |
1729 | } |
1789 | } |
1730 | |
1790 | |
1731 | int |
1791 | int |
1732 | rxvt_fontset::find_font_idx (unicode_t unicode) |
1792 | rxvt_fontset::find_font_idx (unicode_t unicode) |
1733 | { |
1793 | { |
1734 | // this limits fmap size. it has to accomodate COMPOSE_HI when UNICODE_3 |
1794 | // this limits fmap size. it has to accommodate COMPOSE_HI when UNICODE_3 |
1735 | if (unicode > 0x1fffff) |
1795 | if (unicode > 0x1fffff) |
1736 | return 0; |
1796 | return 0; |
1737 | |
1797 | |
1738 | unicode_t hi = unicode >> 8; |
1798 | unicode_t hi = unicode >> 8; |
1739 | |
1799 | |