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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.52 by root, Sat Dec 4 02:56:06 2004 UTC vs.
Revision 1.74 by root, Tue Dec 6 15:41:26 2005 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: defaultfont.C 2 * File: rxvtfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 4 * Copyright (c) 2003-2004 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
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details. 15 * GNU General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU General Public License 17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *---------------------------------------------------------------------*/ 20 *---------------------------------------------------------------------*/
21 21
22#include "../config.h" 22#include "../config.h"
23#include "rxvt.h" 23#include "rxvt.h"
24#include "rxvtutil.h" 24#include "rxvtutil.h"
90 { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 90 { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
91#endif 91#endif
92 92
93#if ENCODING_ZH || ENCODING_ZH_EXT 93#if ENCODING_ZH || ENCODING_ZH_EXT
94# if XFT 94# if XFT
95 { CS_GBK_0, "xft:AR PL KaitiM GB" },
96 { CS_GBK_0, "xft:AR PL SungtiL GB" },
97 { CS_GBK_0, "xft::spacing=100:lang=zh" },
95 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 98 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
96 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 99 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
97 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 100 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
98 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 101 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
99 { CS_GB2312_1980_0, "xft::spacing=100:lang=zh" }, 102 { CS_GB2312_1980_0, "xft::spacing=100:lang=zh" },
100# endif 103# endif
104 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
101 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, 105 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
102 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, 106 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
103 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, 107 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
108 { CS_GB2312_1980_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
104 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" }, 109 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
105 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" }, 110 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
106 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" }, 111 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
107 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" }, 112 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
108 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" }, 113 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
125 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" }, 130 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
126 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, 131 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
127 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" }, 132 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
128 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 133 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
129#if XFT 134#if XFT
130 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true"}, 135 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
131 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 136 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
132 { CS_UNICODE, "xft:Andale Mono:antialias=false" }, 137 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
133 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false" }, 138 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
134 139
135 // FreeMono is usually uglier than x fonts, so try last only. 140 // FreeMono is usually uglier than x fonts, so try last only.
136 { CS_UNICODE, "xft:FreeMono:autohint=true" }, 141 { CS_UNICODE, "xft:FreeMono:autohint=true" },
137#endif 142#endif
138 143
139 { CS_UNKNOWN, 0 } 144 { CS_UNKNOWN, 0 }
140}; 145};
141 146
142// these characters are used to guess the font height and width 147// these characters are used to guess the font height and width
143// pango uses a similar algorithm and eosn't trust the font either. 148// pango uses a similar algorithm and doesn't trust the font either.
144static uint16_t extent_test_chars[] = { 149static uint16_t extent_test_chars[] = {
145 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 150 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
146 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 151 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
147 0x304c, 0x672c, // が本 152 0x304c, 0x672c, // が本
148}; 153};
326void 331void
327rxvt_font_default::draw (rxvt_drawable &d, int x, int y, 332rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
328 const text_t *text, int len, 333 const text_t *text, int len,
329 int fg, int bg) 334 int fg, int bg)
330{ 335{
336 Display *disp = d.display->display;
337
331 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 338 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
332 339
333 XSetForeground (d.display->display, TGC, r->pix_colors[fg]); 340 XSetForeground (disp, TGC, r->pix_colors[fg]);
334 341
335 while (len--) 342 while (len)
336 { 343 {
337#if ENABLE_COMBINING 344#if ENABLE_COMBINING
338 compose_char *cc; 345 compose_char *cc;
339#endif 346#endif
347 const text_t *tp = text;
340 text_t t = *text++; 348 text_t t = *tp;
349
350 while (++text, --len && *text == NOCHAR)
351 ;
352
353 int width = text - tp;
354 int fwidth = r->TermWin.fwidth * width;
341 355
342 if (0x2500 <= t && t <= 0x259f) 356 if (0x2500 <= t && t <= 0x259f)
343 { 357 {
344 uint16_t offs = linedraw_offs[t - 0x2500]; 358 uint16_t offs = linedraw_offs[t - 0x2500];
345 uint32_t *a = linedraw_command + (offs >> 4); 359 uint32_t *a = linedraw_command + (offs >> 4);
346 uint32_t *b = a + (offs & 15); 360 uint32_t *b = a + (offs & 15);
347 361
348 int W = r->TermWin.fwidth; 362 int W = fwidth;
349 int H = r->TermWin.fheight; 363 int H = r->TermWin.fheight;
350
351 // support double-width (but not more) graphics chars
352 // TODO: do this outside the if/elsif.. statement for all cases
353 if (len && *text == NOCHAR)
354 W += r->TermWin.fwidth;
355 364
356 int x_[16]; 365 int x_[16];
357 int y_[16]; 366 int y_[16];
358 367
359 for (int i = 0; i <= 8; i++) 368 for (int i = 0; i <= 8; i++)
367 376
368 XGCValues gcv; 377 XGCValues gcv;
369 378
370 gcv.cap_style = CapButt; 379 gcv.cap_style = CapButt;
371 gcv.line_width = 0; 380 gcv.line_width = 0;
372 XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv); 381 XChangeGC (disp, TGC, GCLineWidth | GCCapStyle, &gcv);
373 382
374 while (a < b) 383 while (a < b)
375 { 384 {
376 uint32_t command = *a++; 385 uint32_t command = *a++;
377 386
384 int y2 = y_[(command >> 0) & 15]; 393 int y2 = y_[(command >> 0) & 15];
385 394
386 switch (op) 395 switch (op)
387 { 396 {
388 case 0: // line 397 case 0: // line
389 XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2); 398 XDrawLine (disp, d, TGC, x1, y1, x2, y2);
390 break; 399 break;
391 400
392 case 1: // rectangle, possibly stippled 401 case 1: // rectangle, possibly stippled
393 if (a) 402 if (a)
394 { 403 {
395 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 404 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
396 405
397 gcv.fill_style = FillStippled; 406 gcv.fill_style = FillStippled;
398 gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2); 407 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
399 gcv.ts_x_origin = x; 408 gcv.ts_x_origin = x;
400 gcv.ts_y_origin = y; 409 gcv.ts_y_origin = y;
401 410
402 XChangeGC (d.display->display, TGC, 411 XChangeGC (disp, TGC,
403 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 412 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
404 &gcv); 413 &gcv);
405 } 414 }
406 415
407 XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); 416 XFillRectangle (disp, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
408 417
409 if (a) 418 if (a)
410 { 419 {
411 XFreePixmap (d.display->display, gcv.stipple); 420 XFreePixmap (disp, gcv.stipple);
412 gcv.stipple = 0; 421 gcv.stipple = 0;
413 gcv.fill_style = FillSolid; 422 gcv.fill_style = FillSolid;
414 XChangeGC (d.display->display, TGC, GCFillStyle, &gcv); 423 XChangeGC (disp, TGC, GCFillStyle, &gcv);
415 } 424 }
416 break; 425 break;
417 case 2: // arc 426 case 2: // arc
418 XDrawArc (d.display->display, d, TGC, 427 XDrawArc (disp, d, TGC,
419 x1 - W/2, y1 - H/2, W-1, H-1, 428 x1 - W/2, y1 - H/2, W-1, H-1,
420 (a - 1) * 90*64, (b - 1) * 90*64); 429 (a - 1) * 90*64, (b - 1) * 90*64);
421 break; 430 break;
422 } 431 }
423 } 432 }
424 } 433 }
425#if ENABLE_COMBINING 434#if ENABLE_COMBINING
426 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 435 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
427 { 436 {
428 text_t c2[2]; 437 text_t chrs[2];
429 int len2 = 1; 438 width = min (2, width);
430 439 chrs [1] = NOCHAR;
431 // support double-width (but not more) combining characters
432 if (len && *text == NOCHAR)
433 {
434 c2[1] = *text; // not text++ to get correct x-width
435 len2++;
436 }
437 440
438 c2[0] = cc->c1; 441 *chrs = cc->c1;
439 rxvt_font *f1 = (*fs)[fs->find_font (c2[0])]; 442 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];
440 f1->draw (d, x, y, c2, len2, fg, bg); 443 f1->draw (d, x, y, chrs, width, fg, bg);
441 444
442 if (cc->c2 != NOCHAR) 445 if (cc->c2 != NOCHAR)
443 { 446 {
444 bool careful; 447 bool careful;
445 448
446 // prefer font of first character, for no good reasons 449 // prefer font of first character, for no good reasons
447 c2[0] = cc->c2; 450 *chrs = cc->c2;
448 rxvt_font *f2 = (f1->has_char (c2[0], 0, careful) && !careful) 451 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
449 ? f1 452 ? f1
450 : (*fs)[fs->find_font (c2[0])]; 453 : (*fs)[fs->find_font (cc->c2)];
451 454
452 f2->draw (d, x, y, c2, len2, fg, -1); 455 f2->draw (d, x, y, chrs, width, fg, -1);
453 } 456 }
454 } 457 }
455#endif 458#endif
456 else 459 else
457 switch (t) 460 switch (t)
460 case ZERO_WIDTH_CHAR: 463 case ZERO_WIDTH_CHAR:
461 case NOCHAR: 464 case NOCHAR:
462 break; 465 break;
463 466
464 default: 467 default:
465 int w = 0;
466 while (len > 0 && *text == NOCHAR)
467 {
468 ++text;
469 --len;
470 w += r->TermWin.fwidth;
471 }
472
473 XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2, 468 XDrawRectangle (disp, d, TGC, x + 2, y + 2,
474 w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4); 469 fwidth - 4, r->TermWin.fheight - 4);
475 x += w;
476 } 470 }
477 471
478 x += r->TermWin.fwidth; 472 x += fwidth;
479 } 473 }
480} 474}
481 475
482///////////////////////////////////////////////////////////////////////////// 476/////////////////////////////////////////////////////////////////////////////
483 477
539 533
540bool 534bool
541rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 535rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
542{ 536{
543 unsigned long height; 537 unsigned long height;
538
539#if 0
544 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 540 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
545 return false; 541 return false;
542#else
543 height = f->ascent + f->descent;
544#endif
546 545
547 unsigned long avgwidth; 546 unsigned long avgwidth;
548 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 547 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
549 avgwidth = 0; 548 avgwidth = 0;
550 549
633} 632}
634 633
635bool 634bool
636rxvt_font_x11::load (const rxvt_fontprop &prop) 635rxvt_font_x11::load (const rxvt_fontprop &prop)
637{ 636{
637 Display *disp = DISPLAY;
638
638 clear (); 639 clear ();
639 640
640 char field_str[64]; // enough for 128 bits 641 char field_str[64]; // enough for 128 bits
641 642
642 // first morph the font if required 643 // first morph the font if required
645 { 646 {
646 char fname[1024]; 647 char fname[1024];
647 648
648 if (name[0] != '-') 649 if (name[0] != '-')
649 { 650 {
650 f = XLoadQueryFont (DISPLAY, name); 651 f = XLoadQueryFont (disp, name);
651 652
652 if (!f) 653 if (!f)
653 return false; 654 return false;
654 655
655 char *new_name = get_property (f, "FONT", name); 656 char *new_name = get_property (f, "FONT", name);
657 if (new_name) 658 if (new_name)
658 set_name (new_name); 659 set_name (new_name);
659 else 660 else
660 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 661 rxvt_warn ("font '%s' has no FONT property, continuing without.", name);
661 662
662 XFreeFont (DISPLAY, f); 663 XFreeFont (disp, f);
663 f = 0; 664 f = 0;
664 } 665 }
665 666
666 if (prop.weight != rxvt_fontprop::unset) 667 if (prop.weight != rxvt_fontprop::unset)
667 { 668 {
678 ? "r" : "i"); // TODO: handle "o"blique, too 679 ? "r" : "i"); // TODO: handle "o"blique, too
679 set_name (strdup (fname)); 680 set_name (strdup (fname));
680 } 681 }
681 } 682 }
682 683
684 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
685 ? 0 : prop.height);
686
687 struct font_weight {
688 char *name;
689 int diff;
690
691 void clear ()
692 {
693 name = 0;
694 diff = 0x7fffffff;
695 }
696
697 font_weight () { clear (); }
698 ~font_weight () { free (name); }
699 };
700
683 char **list; 701 char **list;
684 int count; 702 int count;
685 list = XListFonts (DISPLAY, name, 1024, &count); 703 list = XListFonts (disp, name, 4000, &count);
686 704
687 set_name (0); 705 set_name (0);
688 706
689 if (!list) 707 if (!list)
690 return false; 708 return false;
691 709
692 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 710 font_weight *fonts = new font_weight[count];
693 ? 0 : prop.height);
694 711
695 int bestdiff = 0x7fffffff;
696 for (int i = 0; i < count; i++) 712 for (int i = 0; i < count; i++)
697 { 713 {
698 rxvt_fontprop p; 714 rxvt_fontprop p;
699 char fname[1024]; 715 char fname[1024];
700 716
701 int diff = 0; 717 int diff = 0;
702 718
703 if (replace_field (fname, list[i], 6, '0', field_str)) 719 if (replace_field (fname, list[i], 6, '0', field_str))
704 diff += 10; // slightly penalize scalable fonts 720 diff += 10; // slightly penalize scalable fonts
721 else if (replace_field (fname, list[i], 11, '0', "0"))
722 diff += 300; // more heavily penalize what looks like scaled bitmap fotns
705 723
706 if (!set_properties (p, fname)) 724 if (!set_properties (p, fname))
707 continue; 725 continue;
708 726
709 if (prop.height != rxvt_fontprop::unset 727 if (prop.height != rxvt_fontprop::unset
713 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 731 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
714 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 732 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
715 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 733 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
716 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 734 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
717 735
718 if (!name // compare against best found so far 736 fonts[i].name = strdup (fname);
719 || diff < bestdiff) 737 fonts[i].diff = diff;
720 {
721 set_name (strdup (fname));
722 bestdiff = diff;
723 }
724 } 738 }
725 739
726 XFreeFontNames (list); 740 XFreeFontNames (list);
727 741
728 if (!name) 742 // this loop only iterates when the guessed font-size is too small
729 return false; 743 for (;;)
744 {
745 font_weight *best = fonts + count - 1;
730 746
731 f = XLoadQueryFont (DISPLAY, name); 747 for (font_weight *w = best; w-- > fonts; )
748 if (w->diff <= best->diff)
749 best = w;
750
751 if (!best->name
752 || !(f = XLoadQueryFont (disp, best->name)))
753 break;
754
755 set_name (best->name);
756 best->clear ();
757
758 ascent = f->ascent;
759 descent = f->descent;
760 height = ascent + descent;
761
762 if (prop.height == rxvt_fontprop::unset
763 || height <= prop.height)
764 break; // font is ready for use
765
766 // PIXEL_SIZE small enough, but real height too large
767 clear ();
768 }
769
770 delete [] fonts;
732 771
733 if (!f) 772 if (!f)
734 return false; 773 return false;
735 774
736 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 775 char *registry = get_property (f, "CHARSET_REGISTRY", 0);
764 if (cs == CS_UNICODE) 803 if (cs == CS_UNICODE)
765 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 804 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
766 805
767 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 806 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
768 enc2b = encm || f->max_char_or_byte2 > 255; 807 enc2b = encm || f->max_char_or_byte2 > 255;
769
770 ascent = f->ascent;
771 descent = f->descent;
772 height = ascent + descent;
773 808
774 slow = false; 809 slow = false;
775 810
776#if 1 // only used for slow detection, TODO optimize 811#if 1 // only used for slow detection, TODO optimize
777 if (f->min_bounds.width == f->max_bounds.width) 812 if (f->min_bounds.width == f->max_bounds.width)
816 851
817 XCharStruct g; 852 XCharStruct g;
818 int dir_ret, asc_ret, des_ret; 853 int dir_ret, asc_ret, des_ret;
819 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 854 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
820 855
821 int wcw = wcwidth (*t); if (wcw > 0) g.width = g.width / wcw; 856 int wcw = wcwidth (*t); if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
822 857
823 if (width < g.width) width = g.width; 858 if (width < g.width) width = g.width;
824 } 859 }
825 860
826 if (cs == CS_UNKNOWN) 861 if (cs == CS_UNKNOWN)
901 return true; 936 return true;
902 937
903 // check character against base font bounding box 938 // check character against base font bounding box
904 int w = xcs->width; 939 int w = xcs->width;
905 int wcw = wcwidth (unicode); 940 int wcw = wcwidth (unicode);
906 if (wcw > 0) w /= wcw; 941 if (wcw > 0) w = (w + wcw - 1) / wcw;
907 942
908 careful = w > prop->width; 943 careful = w > prop->width;
909 if (careful && w > prop->width * MAX_OVERLAP >> 2) 944 if (careful && w > prop->width * MAX_OVERLAP >> 2)
910 return false; 945 return false;
911 946
1051} 1086}
1052 1087
1053bool 1088bool
1054rxvt_font_xft::load (const rxvt_fontprop &prop) 1089rxvt_font_xft::load (const rxvt_fontprop &prop)
1055{ 1090{
1091 Display *disp = DISPLAY;
1092
1056 clear (); 1093 clear ();
1057 1094
1058 FcPattern *p = FcNameParse ((FcChar8 *) name); 1095 FcPattern *p = FcNameParse ((FcChar8 *) name);
1059 1096
1060 if (!p) 1097 if (!p)
1061 return false; 1098 return false;
1062 1099
1063 FcValue v; 1100 FcValue v;
1064 1101
1065 if (prop.height != rxvt_fontprop::unset 1102 if (prop.height != rxvt_fontprop::unset
1066 || (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1103 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1067 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1104 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1068 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1105 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1069 1106
1070 if (prop.weight != rxvt_fontprop::unset 1107 if (prop.weight != rxvt_fontprop::unset
1071 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1108 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)
1086 1123
1087 // store generated name so iso14755 view gives better results 1124 // store generated name so iso14755 view gives better results
1088 set_name ((char *)FcNameUnparse (p)); 1125 set_name ((char *)FcNameUnparse (p));
1089 1126
1090 XftResult result; 1127 XftResult result;
1091 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1128 FcPattern *match = XftFontMatch (disp, r->display->screen, p, &result);
1092 1129
1093 FcPatternDestroy (p); 1130 FcPatternDestroy (p);
1094 1131
1095 if (!match) 1132 if (!match)
1096 return false; 1133 return false;
1098 int ftheight = 0; 1135 int ftheight = 0;
1099 bool success = true; 1136 bool success = true;
1100 1137
1101 for (;;) 1138 for (;;)
1102 { 1139 {
1103 f = XftFontOpenPattern (DISPLAY, FcPatternDuplicate (match)); 1140 f = XftFontOpenPattern (disp, FcPatternDuplicate (match));
1104 1141
1105 if (!f) 1142 if (!f)
1106 { 1143 {
1107 success = false; 1144 success = false;
1108 break; 1145 break;
1117 1154
1118 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; 1155 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
1119 1156
1120 XftUnlockFace (f); 1157 XftUnlockFace (f);
1121 1158
1159 int glheight = height;
1160
1122 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1161 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
1123 { 1162 {
1124 FcChar16 ch = *t; 1163 FcChar16 ch = *t;
1125 1164
1126 if (cs != CS_UNICODE 1165 if (cs != CS_UNICODE
1132 bool careful; 1171 bool careful;
1133 if (!has_char (*t, &prop, careful)) 1172 if (!has_char (*t, &prop, careful))
1134 continue; 1173 continue;
1135 1174
1136 XGlyphInfo g; 1175 XGlyphInfo g;
1137 XftTextExtents16 (DISPLAY, f, &ch, 1, &g); 1176 XftTextExtents16 (disp, f, &ch, 1, &g);
1177
1178 g.width -= g.x;
1138 1179
1139 int wcw = wcwidth (ch); 1180 int wcw = wcwidth (ch);
1140 if (wcw > 0) g.width = g.width / wcw; 1181 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1141 1182
1142 if (width < g.width) width = g.width; 1183 if (width < g.width ) width = g.width;
1143 if (height < g.height) height = g.height; 1184 if (height < g.height ) height = g.height;
1185 if (glheight < g.height - g.y) glheight = g.height - g.y;
1186 }
1187
1188 if (!width)
1189 {
1190 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name);
1191
1192 XftFontClose (disp, f);
1193 f = 0;
1194
1195 success = false;
1196 break;
1144 } 1197 }
1145 1198
1146 if (prop.height == rxvt_fontprop::unset 1199 if (prop.height == rxvt_fontprop::unset
1147 || height <= prop.height 1200 || (height <= prop.height && glheight <= prop.height)
1148 || height <= 2 1201 || height <= 2
1149 || !scalable) 1202 || !scalable)
1150 break; 1203 break;
1151 1204
1152 if (ftheight) 1205 if (ftheight)
1159 ftheight -= height - prop.height; 1212 ftheight -= height - prop.height;
1160 } 1213 }
1161 else 1214 else
1162 ftheight = prop.height - 1; 1215 ftheight = prop.height - 1;
1163 1216
1164 XftFontClose (DISPLAY, f); 1217 XftFontClose (disp, f);
1165 FcPatternDel (match, FC_PIXEL_SIZE); 1218 FcPatternDel (match, FC_PIXEL_SIZE);
1166 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); 1219 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
1167 } 1220 }
1168 1221
1169 FcPatternDestroy (match); 1222 FcPatternDestroy (match);
1170 1223
1171#if 0 // do it per-character 1224#if 0 // do it per-character
1193 // check character against base font bounding box 1246 // check character against base font bounding box
1194 FcChar32 ch = unicode; 1247 FcChar32 ch = unicode;
1195 XGlyphInfo g; 1248 XGlyphInfo g;
1196 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1249 XftTextExtents32 (DISPLAY, f, &ch, 1, &g);
1197 1250
1198 int w = g.width; 1251 int w = g.width - g.x;
1199 int wcw = wcwidth (unicode); 1252 int wcw = wcwidth (unicode);
1200 if (wcw > 0) w /= wcw; 1253 if (wcw > 0) w = (w + wcw - 1) / wcw;
1201 1254
1202 careful = w > prop->width; 1255 careful = w > prop->width;
1203 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1256 if (careful && w > prop->width * MAX_OVERLAP >> 2)
1204 return false; 1257 return false;
1205 1258
1217 1270
1218 XGlyphInfo extents; 1271 XGlyphInfo extents;
1219 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1272 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32));
1220 FcChar32 *ep = enc; 1273 FcChar32 *ep = enc;
1221 int ewidth = 0; 1274 int ewidth = 0;
1222 int xoff = 0;
1223 1275
1224 while (len) 1276 while (len)
1225 { 1277 {
1226 int cwidth = r->TermWin.fwidth; 1278 int cwidth = r->TermWin.fwidth;
1227 FcChar32 fc = *text++; len--; 1279 FcChar32 fc = *text++; len--;
1228 FT_UInt gl;
1229 1280
1230 while (len && *text == NOCHAR) 1281 while (len && *text == NOCHAR)
1231 text++, len--, cwidth += r->TermWin.fwidth; 1282 text++, len--, cwidth += r->TermWin.fwidth;
1232 1283
1233 gl = XftCharIndex (d.display->display, f, fc);
1234 XftGlyphExtents (d.display->display, f, &gl, 1, &extents);
1235
1236 if (extents.xOff != cwidth && ep != enc)
1237 {
1238 if (xoff > ewidth) xoff = ewidth;
1239 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1240 x + (ewidth - xoff >> 1),
1241 y + base, enc, ep - enc);
1242 x += ewidth;
1243
1244 ep = enc;
1245 ewidth = 0;
1246 xoff = 0;
1247 }
1248
1249 if (fc == ' ' && ep == enc) // skip leading spaces 1284 if (fc == ' ' && ep == enc) // skip leading spaces
1250 {
1251 x += cwidth; 1285 x += cwidth;
1252 continue;
1253 }
1254
1255 else 1286 else
1256 { 1287 {
1288 FT_UInt gl = XftCharIndex (d.display->display, f, fc);
1289 XftGlyphExtents (d.display->display, f, &gl, 1, &extents);
1290
1291 if (extents.xOff != cwidth)
1292 {
1293 if (ewidth)
1294 {
1295 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1296 x, y + base, enc, ep - enc);
1297 x += ewidth;
1298
1299 ep = enc;
1300 ewidth = 0;
1301 }
1302
1303 if (extents.xOff > cwidth)
1304 extents.xOff = cwidth;
1305
1306 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1307 x + (cwidth - extents.xOff >> 1),
1308 y + base, &gl, 1);
1309 x += cwidth;
1310 }
1311 else
1312 {
1257 *ep++ = gl; 1313 *ep++ = gl;
1258 ewidth += cwidth; 1314 ewidth += cwidth;
1259 xoff += extents.xOff; 1315 }
1260 } 1316 }
1261 } 1317 }
1262 1318
1263 if (ep != enc) 1319 if (ep != enc)
1264 {
1265 if (xoff > ewidth) xoff = ewidth;
1266 XftDrawGlyphs (d, &r->pix_colors[fg].c, f, 1320 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1267 x + (ewidth - xoff >> 1),
1268 y + base, enc, ep - enc); 1321 x, y + base, enc, ep - enc);
1269 }
1270} 1322}
1271#endif 1323#endif
1272 1324
1273///////////////////////////////////////////////////////////////////////////// 1325/////////////////////////////////////////////////////////////////////////////
1274 1326
1275rxvt_fontset::rxvt_fontset (rxvt_t r) 1327rxvt_fontset::rxvt_fontset (rxvt_t r)
1276: r (r), fontdesc (0) 1328: fontdesc (0), r (r)
1277{ 1329{
1278 clear (); 1330 clear ();
1279} 1331}
1280 1332
1281rxvt_fontset::~rxvt_fontset () 1333rxvt_fontset::~rxvt_fontset ()
1346 char buf[512]; 1398 char buf[512];
1347 const char *end; 1399 const char *end;
1348 1400
1349 do 1401 do
1350 { 1402 {
1351 while (*desc <= ' ') desc++; 1403 while (*desc && *desc <= ' ')
1404 desc++;
1352 1405
1353 codeset cs = CS_UNICODE; 1406 codeset cs = CS_UNICODE;
1354 1407
1355 if (*desc == '[') 1408 if (*desc == '[')
1356 { 1409 {
1514 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1567 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1515 FcPatternAddBool (p, FC_MINSPACE, 1); 1568 FcPatternAddBool (p, FC_MINSPACE, 1);
1516 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1569 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1517 1570
1518 XftResult result; 1571 XftResult result;
1519 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1572 FcPattern *match = XftFontMatch (DISPLAY, r->display->screen, p, &result);
1520 1573
1521 FcPatternDestroy (p); 1574 FcPatternDestroy (p);
1522 1575
1523 if (match) 1576 if (match)
1524 { 1577 {

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