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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.84 by root, Tue Jan 17 05:47:42 2006 UTC vs.
Revision 1.98 by root, Mon Feb 20 22:42:00 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtfont.C 2 * File: rxvtfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> 4 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
5 * - original version. 5 * - original version.
6 * 6 *
24#include "rxvtlib.h" 24#include "rxvtlib.h"
25#include "rxvtutil.h" 25#include "rxvtutil.h"
26#include "rxvtfont.h" 26#include "rxvtfont.h"
27 27
28#include <cstdlib> 28#include <cstdlib>
29#include <wchar.h> 29
30#include <inttypes.h> 30#include <inttypes.h>
31 31
32#define MAX_OVERLAP (4 + 1) // max. character width in 4ths of the base width 32#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width
33#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts
34
35#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \
36 (prop)->slant >= rxvt_fontprop::italic \
37 ? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \
38 : ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \
39 ))
33 40
34const struct rxvt_fallback_font { 41const struct rxvt_fallback_font {
35 codeset cs; 42 codeset cs;
36 const char *name; 43 const char *name;
37} fallback_fonts[] = { 44} fallback_fonts[] = {
57 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" }, 64 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },
58 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" }, 65 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },
59 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" }, 66 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },
60 67
61# if XFT 68# if XFT
62 { CS_KOI8_U, "xft::spacing=100:lang=ru:antialias=false" }, 69 { CS_KOI8_U, "xft::lang=ru" },
63 70
64 { CS_ISO8859_5, "xft::spacing=100:lang=ru:antialias=false" }, 71 { CS_ISO8859_5, "xft::lang=ru" },
65 { CS_ISO8859_6, "xft::spacing=100:lang=ar:antialias=false" }, 72 { CS_ISO8859_6, "xft::lang=ar" },
66 { CS_ISO8859_7, "xft::spacing=100:lang=el:antialias=false" }, 73 { CS_ISO8859_7, "xft::lang=el" },
67 { CS_ISO8859_8, "xft::spacing=100:lang=he:antialias=false" }, 74 { CS_ISO8859_8, "xft::lang=he" },
68 { CS_ISO8859_9, "xft::spacing=100:lang=tr:antialias=false" }, 75 { CS_ISO8859_9, "xft::lang=tr" },
69 { CS_ISO8859_10, "xft::spacing=100:lang=se:antialias=false" }, 76 { CS_ISO8859_10, "xft::lang=se" },
70 { CS_ISO8859_11, "xft::spacing=100:lang=th:antialias=false" }, 77 { CS_ISO8859_11, "xft::lang=th" },
71# endif 78# endif
72#endif 79#endif
73 80
74 // japanese 81 // japanese
75#if ENCODING_JP || ENCODING_JP_EXT 82#if ENCODING_JP || ENCODING_JP_EXT
76# if XFT 83# if XFT
77 // prefer xft for complex scripts 84 // prefer xft for complex scripts
78 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, 85 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
79 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" }, 86 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
80 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" }, 87 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
81 { CS_JIS0208_1990_0, "xft::lang=ja:spacing=100:antialias=false" }, 88 { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
82# endif 89# endif
83 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 90 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
84 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 91 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
85 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 92 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
86 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 93 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
90 97
91#if ENCODING_ZH || ENCODING_ZH_EXT 98#if ENCODING_ZH || ENCODING_ZH_EXT
92# if XFT 99# if XFT
93 { CS_GBK_0, "xft:AR PL KaitiM GB" }, 100 { CS_GBK_0, "xft:AR PL KaitiM GB" },
94 { CS_GBK_0, "xft:AR PL SungtiL GB" }, 101 { CS_GBK_0, "xft:AR PL SungtiL GB" },
95 { CS_GBK_0, "xft::spacing=100:lang=zh" }, 102 { CS_GBK_0, "xft::lang=zh" },
96 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 103 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
97 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 104 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
98 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 105 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
99 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 106 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
100 { CS_GB2312_1980_0, "xft::spacing=100:lang=zh" }, 107 { CS_GB2312_1980_0, "xft::lang=zh" },
101# endif 108# endif
102 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" }, 109 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
103 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, 110 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
104 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, 111 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
105 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, 112 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
118#if ENCODING_KR 125#if ENCODING_KR
119 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 126 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
120 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 127 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
121# if XFT 128# if XFT
122 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, 129 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
123 { CS_KSC5601_1987_0, "xft::spacing=100:lang=ko:antialias=false" }, 130 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
124# endif 131# endif
125#endif 132#endif
126 133
127 // generic font fallback
128 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" }, 134 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
129 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, 135 //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
130 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
131 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
132#if XFT 136#if XFT
133 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" }, 137 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
134 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 138 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
135 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, 139 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
136 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" }, 140 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
137 141
138 // FreeMono is usually uglier than x fonts, so try last only. 142 // FreeMono is usually uglier than x fonts, so try after the others
139 { CS_UNICODE, "xft:FreeMono:autohint=true" }, 143 { CS_UNICODE, "xft:FreeMono:autohint=true" },
140#endif 144#endif
141 145
146 // generic font fallback, put this last, as many iso10646 fonts have extents
147 // specified for all glyphs in the range they cover, but most are simply empty
148 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
149 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
142 { CS_UNKNOWN, 0 } 150 { CS_UNKNOWN, 0 }
143}; 151};
144 152
145// these characters are used to guess the font height and width 153// these characters are used to guess the font height and width
146// pango uses a similar algorithm and doesn't trust the font either. 154// pango uses a similar algorithm and doesn't trust the font either.
150 0x304c, 0x672c, // が本 158 0x304c, 0x672c, // が本
151}; 159};
152 160
153#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0])) 161#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
154 162
155#define dTermDisplay Display *disp = term->display->display 163#define dTermDisplay Display *disp = term->dpy
156#define dTermGC GC gc = term->gc 164#define dTermGC GC gc = term->gc
157 165
158///////////////////////////////////////////////////////////////////////////// 166/////////////////////////////////////////////////////////////////////////////
159
160#if XFT
161rxvt_drawable::~rxvt_drawable ()
162{
163 if (xftdrawable)
164 XftDrawDestroy (xftdrawable);
165}
166
167rxvt_drawable::operator XftDraw *()
168{
169 if (!xftdrawable)
170 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
171
172 return xftdrawable;
173}
174#endif
175
176/////////////////////////////////////////////////////////////////////////////
177
178static void *enc_buf;
179static uint32_t enc_len;
180
181static inline void *
182get_enc_buf (uint32_t len)
183{
184 if (len > enc_len)
185 {
186 free (enc_buf);
187 enc_buf = malloc (len);
188 enc_len = len;
189 }
190
191 return enc_buf;
192}
193 167
194static const char * 168static const char *
195enc_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)
196{ 170{
197 uint8_t *buf = (uint8_t *)get_enc_buf (len); 171 uint8_t *buf = rxvt_temp_buf<uint8_t> (len);
172 uint8_t *res = buf;
198 173
199 while (len--) 174 while (len--)
200 { 175 {
201 uint32_t c = FROM_UNICODE (cs, *text++); 176 uint32_t c = FROM_UNICODE (cs, *text++);
202 177
207 } 182 }
208 183
209 *buf++ = c; 184 *buf++ = c;
210 } 185 }
211 186
212 return (const char *)enc_buf; 187 return (const char *)res;
213} 188}
214 189
215static const XChar2b * 190static const XChar2b *
216enc_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)
217{ 192{
218 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 193 XChar2b *buf = rxvt_temp_buf<XChar2b> (len);
194 XChar2b *res = buf;
219 195
220 while (len--) 196 while (len--)
221 { 197 {
222 uint32_t c = FROM_UNICODE (cs, *text++); 198 uint32_t c = FROM_UNICODE (cs, *text++);
223 199
230 buf->byte1 = c >> 8; 206 buf->byte1 = c >> 8;
231 buf->byte2 = c; 207 buf->byte2 = c;
232 buf++; 208 buf++;
233 } 209 }
234 210
235 return (XChar2b *)enc_buf; 211 return res;
236} 212}
237 213
238///////////////////////////////////////////////////////////////////////////// 214/////////////////////////////////////////////////////////////////////////////
215
216rxvt_font::rxvt_font ()
217: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
218{
219}
239 220
240void 221void
241rxvt_font::set_name (char *name) 222rxvt_font::set_name (char *name)
242{ 223{
243 if (this->name == name) 224 if (this->name == name)
251rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const 232rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const
252{ 233{
253 dTermDisplay; 234 dTermDisplay;
254 dTermGC; 235 dTermGC;
255 236
256 if (color == Color_bg) 237 if (color < 0 || color == Color_bg)
257 XClearArea (disp, d, x, y, w, h, FALSE); 238 XClearArea (disp, d, x, y, w, h, false);
258 else if (color >= 0) 239 else
259 { 240 {
260#if XFT 241#if XFT
261 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h); 242 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
262#else 243#else
263 XSetForeground (disp, gc, term->pix_colors[color]); 244 XSetForeground (disp, gc, term->pix_colors[color]);
264 XFillRectangle (disp, d, gc, x, y, w, h); 245 XFillRectangle (disp, d, gc, x, y, w, h);
265#endif 246#endif
266 } 247 }
267} 248}
249
250/////////////////////////////////////////////////////////////////////////////
268 251
269#include "table/linedraw.h" 252#include "table/linedraw.h"
270 253
271struct rxvt_font_default : rxvt_font { 254struct rxvt_font_default : rxvt_font {
272 struct rxvt_fontset *fs; 255 struct rxvt_fontset *fs;
439 } 422 }
440 } 423 }
441#if ENABLE_COMBINING 424#if ENABLE_COMBINING
442 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 425 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
443 { 426 {
427 min_it (width, 2); // we only support wcwidth up to 2
428
444 text_t chrs[2]; 429 text_t chrs[2];
445 width = min (2, width);
446 chrs [1] = NOCHAR; 430 chrs [1] = NOCHAR;
447 431
448 *chrs = cc->c1; 432 *chrs = cc->c1;
449 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 433 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];
450 f1->draw (d, x, y, chrs, width, fg, bg); 434 f1->draw (d, x, y, chrs, width, fg, bg);
500 bool slow; // wether this is a proportional font or has other funny characteristics 484 bool slow; // wether this is a proportional font or has other funny characteristics
501 XFontStruct *f; 485 XFontStruct *f;
502 codeset cs; 486 codeset cs;
503 bool enc2b, encm; 487 bool enc2b, encm;
504 488
505 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 489 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
506 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); 490 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
507 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 491 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
508 bool set_properties (rxvt_fontprop &p, const char *name); 492 bool set_properties (rxvt_fontprop &p, const char *name);
509}; 493};
510 494
511char * 495char *
512rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 496rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
513{ 497{
514 unsigned long value; 498 unsigned long value;
515 499
516 if (XGetFontProperty (f, XInternAtom (term->display->display, property, 0), &value)) 500 if (XGetFontProperty (f, property, &value))
517 return XGetAtomName (term->display->display, value); 501 return XGetAtomName (term->dpy, value);
518 else 502 else
519 return rxvt_strdup (repl); 503 return rxvt_strdup (repl);
520} 504}
521 505
522rxvt_fontprop 506rxvt_fontprop
528} 512}
529 513
530bool 514bool
531rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 515rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
532{ 516{
533 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 517 p.width = width != rxvt_fontprop::unset ? width
518 : avgwidth ? (avgwidth + 1) / 10
519 : (height + 1) / 2;
534 p.height = height; 520 p.height = height;
535 p.ascent = rxvt_fontprop::unset; 521 p.ascent = rxvt_fontprop::unset;
536 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 522 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
537 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 523 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
538 524
543rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 529rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
544{ 530{
545 unsigned long height; 531 unsigned long height;
546 532
547#if 0 533#if 0
548 if (!XGetFontProperty (f, XInternAtom (term->display->display, "PIXEL_SIZE", 0), &height)) 534 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
549 return false; 535 return false;
550#else 536#else
551 height = f->ascent + f->descent; 537 height = f->ascent + f->descent;
552#endif 538#endif
553 539
554 unsigned long avgwidth; 540 unsigned long avgwidth;
555 if (!XGetFontProperty (f, XInternAtom (term->display->display, "AVERAGE_WIDTH", 0), &avgwidth)) 541 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
556 avgwidth = 0; 542 avgwidth = 0;
557 543
558 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 544 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
559 char *slant = get_property (f, "SLANT", "r"); 545 char *slant = get_property (f, term->xa [XA_SLANT], "r");
560 546
561 set_properties (p, height, weight, slant, avgwidth); 547 set_properties (p, height, weight, slant, avgwidth);
562 548
563 free (weight); 549 free (weight);
564 free (slant); 550 free (slant);
662 f = XLoadQueryFont (disp, name); 648 f = XLoadQueryFont (disp, name);
663 649
664 if (!f) 650 if (!f)
665 return false; 651 return false;
666 652
667 char *new_name = get_property (f, "FONT", name); 653 char *new_name = get_property (f, XA_FONT, name);
668 654
669 if (new_name) 655 if (new_name)
670 set_name (new_name); 656 set_name (new_name);
671 else 657 else
672 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 658 rxvt_warn ("font '%s' has no FONT property, continuing without.", name);
781 delete [] fonts; 767 delete [] fonts;
782 768
783 if (!f) 769 if (!f)
784 return false; 770 return false;
785 771
786 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 772 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
787 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 773 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
788 774
789 if (registry && encoding) 775 if (registry && encoding)
790 { 776 {
791 char charset[64]; 777 char charset[64];
792 snprintf (charset, 64, "%s-%s", registry, encoding); 778 snprintf (charset, 64, "%s-%s", registry, encoding);
793 779
794 cs = codeset_from_name (charset); 780 cs = codeset_from_name (charset);
795 } 781 }
796 else 782 else
797 { 783 {
798 const char *charset = get_property (f, "FONT", 0); 784 const char *charset = get_property (f, XA_FONT, 0);
799 785
800 if (!charset) 786 if (!charset)
801 charset = name; 787 charset = name;
802 788
803 int count = 13; 789 int count = 13;
818 enc2b = encm || f->max_char_or_byte2 > 255; 804 enc2b = encm || f->max_char_or_byte2 > 255;
819 805
820 slow = false; 806 slow = false;
821 807
822#if 1 // only used for slow detection, TODO optimize 808#if 1 // only used for slow detection, TODO optimize
823 if (f->min_bounds.width == f->max_bounds.width) 809 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
824 width = f->min_bounds.width;
825 else if (f->per_char == NULL)
826 width = f->max_bounds.width; 810 width = f->max_bounds.width;
827 else 811 else
828 { 812 {
829 slow = true; 813 slow = true;
830 814
846 830
847 width = 1; 831 width = 1;
848 832
849 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 833 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
850 { 834 {
851 if (cs != CS_UNICODE
852 && *t > 0x100
853 && FROM_UNICODE (cs, *t) == NOCHAR) 835 if (FROM_UNICODE (cs, *t) == NOCHAR)
854 continue; 836 continue;
855 837
856 // ignore characters we wouldn't use anyways 838 // ignore characters we wouldn't use anyways
857 bool careful; 839 bool careful;
858 if (!has_char (*t, &prop, careful)) 840 if (!has_char (*t, &prop, careful))
862 844
863 XCharStruct g; 845 XCharStruct g;
864 int dir_ret, asc_ret, des_ret; 846 int dir_ret, asc_ret, des_ret;
865 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 847 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
866 848
849 int wcw = WCWIDTH (*t);
867 int wcw = wcwidth (*t); if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 850 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
868 851
869 if (width < g.width) width = g.width; 852 if (width < g.width) width = g.width;
870 } 853 }
871 854
872 if (cs == CS_UNKNOWN) 855 if (cs == CS_UNKNOWN)
873 { 856 {
874 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name); 857 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
891void 874void
892rxvt_font_x11::clear () 875rxvt_font_x11::clear ()
893{ 876{
894 if (f) 877 if (f)
895 { 878 {
896 XFreeFont (term->display->display, f); 879 XFreeFont (term->dpy, f);
897 f = 0; 880 f = 0;
898 } 881 }
899} 882}
900 883
901bool 884bool
944 return false; 927 return false;
945 928
946 if (!prop || prop->width == rxvt_fontprop::unset) 929 if (!prop || prop->width == rxvt_fontprop::unset)
947 return true; 930 return true;
948 931
949 // check character against base font bounding box 932 // check wether character overlaps previous/next character
950 int w = xcs->width; 933 int w = xcs->rbearing - xcs->lbearing;
951 int wcw = wcwidth (unicode); 934 int wcw = max (WCWIDTH (unicode), 1);
952 if (wcw > 0) w = (w + wcw - 1) / wcw;
953 935
954 careful = w > prop->width; 936 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
955 if (careful && w > prop->width * MAX_OVERLAP >> 2) 937
938 if (careful && !OVERLAP_OK (w, wcw, prop))
956 return false; 939 return false;
957 940
958 return true; 941 return true;
959} 942}
960 943
1073void 1056void
1074rxvt_font_xft::clear () 1057rxvt_font_xft::clear ()
1075{ 1058{
1076 if (f) 1059 if (f)
1077 { 1060 {
1078 XftFontClose (term->display->display, f); 1061 XftFontClose (term->dpy, f);
1079 f = 0; 1062 f = 0;
1080 } 1063 }
1081} 1064}
1082 1065
1083rxvt_fontprop 1066rxvt_fontprop
1190 XGlyphInfo g; 1173 XGlyphInfo g;
1191 XftTextExtents16 (disp, f, &ch, 1, &g); 1174 XftTextExtents16 (disp, f, &ch, 1, &g);
1192 1175
1193 g.width -= g.x; 1176 g.width -= g.x;
1194 1177
1195 int wcw = wcwidth (ch); 1178 int wcw = WCWIDTH (ch);
1196 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 1179 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1197 1180
1198 if (width < g.width ) width = g.width; 1181 if (width < g.width ) width = g.width;
1199 if (height < g.height ) height = g.height; 1182 if (height < g.height ) height = g.height;
1200 if (glheight < g.height - g.y) glheight = g.height - g.y; 1183 if (glheight < g.height - g.y) glheight = g.height - g.y;
1250bool 1233bool
1251rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const 1234rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1252{ 1235{
1253 careful = false; 1236 careful = false;
1254 1237
1255 if (!XftCharExists (term->display->display, f, unicode)) 1238 if (!XftCharExists (term->dpy, f, unicode))
1256 return false; 1239 return false;
1257 1240
1258 if (!prop || prop->width == rxvt_fontprop::unset) 1241 if (!prop || prop->width == rxvt_fontprop::unset)
1259 return true; 1242 return true;
1260 1243
1261 // check character against base font bounding box 1244 // check character against base font bounding box
1262 FcChar32 ch = unicode; 1245 FcChar32 ch = unicode;
1263 XGlyphInfo g; 1246 XGlyphInfo g;
1264 XftTextExtents32 (term->display->display, f, &ch, 1, &g); 1247 XftTextExtents32 (term->dpy, f, &ch, 1, &g);
1265 1248
1266 int w = g.width - g.x; 1249 int w = g.width - g.x;
1267 int wcw = wcwidth (unicode); 1250 int wcw = max (WCWIDTH (unicode), 1);
1268 if (wcw > 0) w = (w + wcw - 1) / wcw;
1269 1251
1270 careful = w > prop->width; 1252 careful = g.x > 0 || w > prop->width * wcw;
1271 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1253
1254 if (careful && !OVERLAP_OK (w, wcw, prop))
1255 return false;
1256
1257 // this weeds out _totally_ broken fonts, or glyphs
1258 if (!OVERLAP_OK (g.xOff, wcw, prop))
1272 return false; 1259 return false;
1273 1260
1274 return true; 1261 return true;
1275} 1262}
1276 1263
1277void 1264void
1278rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1265rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1279 const text_t *text, int len, 1266 const text_t *text, int len,
1280 int fg, int bg) 1267 int fg, int bg)
1281{ 1268{
1282 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
1283
1284 XGlyphInfo extents; 1269 XGlyphInfo extents;
1285 XftGlyphSpec *enc = (XftGlyphSpec *)get_enc_buf (len * sizeof (XftGlyphSpec)); 1270 XftGlyphSpec *enc = (XftGlyphSpec *)rxvt_temp_buf (len * sizeof (XftGlyphSpec));
1286 XftGlyphSpec *ep = enc; 1271 XftGlyphSpec *ep = enc;
1287 1272
1288 dTermDisplay; 1273 dTermDisplay;
1289 dTermGC; 1274 dTermGC;
1275
1276 int w = term->fwidth * len;
1277 int h = term->fheight;
1278
1279 bool buffered = 0
1280#if defined(XPM_BACKGROUND) || defined(TRANSPARENT)
1281 || !term->am_transparent // we aren't transparent
1282 || term->am_pixmap_trans // we have a pixmap
1283#endif
1284 || bg >= 0; // we don't use a transparent bg
1290 1285
1291 // cut trailing spaces 1286 // cut trailing spaces
1292 while (len && text [len - 1] == ' ') 1287 while (len && text [len - 1] == ' ')
1293 len--; 1288 len--;
1289
1290 int x_ = buffered ? 0 : x;
1291 int y_ = buffered ? 0 : y;
1294 1292
1295 while (len) 1293 while (len)
1296 { 1294 {
1297 int cwidth = term->fwidth; 1295 int cwidth = term->fwidth;
1298 FcChar32 fc = *text++; len--; 1296 FcChar32 fc = *text++; len--;
1304 { 1302 {
1305 FT_UInt glyph = XftCharIndex (disp, f, fc); 1303 FT_UInt glyph = XftCharIndex (disp, f, fc);
1306 XftGlyphExtents (disp, f, &glyph, 1, &extents); 1304 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1307 1305
1308 ep->glyph = glyph; 1306 ep->glyph = glyph;
1309 ep->x = x + (cwidth - extents.xOff >> 1); 1307 ep->x = x_ + (cwidth - extents.xOff >> 1);
1310 ep->y = y + ascent; 1308 ep->y = y_ + ascent;
1309
1310 if (extents.xOff == 0)
1311 ep->x = x_ + cwidth;
1312
1311 ep++; 1313 ep++;
1312 } 1314 }
1313 1315
1314 x += cwidth; 1316 x_ += cwidth;
1317 }
1318
1319 if (buffered)
1315 } 1320 {
1316
1317 if (ep != enc) 1321 if (ep != enc)
1322 {
1323 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1324
1325#if defined(XPM_BACKGROUND) || defined(TRANSPARENT)
1326 if (bg < 0 && term->am_pixmap_trans)
1327 XCopyArea (disp, term->pixmap, d2, gc, x, y, w, h, 0, 0);
1328 else if (bg < 0 && term->bgPixmap.pixmap)
1329 {
1330 XGCValues gcv;
1331
1332 gcv.fill_style = FillTiled;
1333 gcv.tile = term->pixmap;
1334 gcv.ts_x_origin = -x;
1335 gcv.ts_y_origin = -y;
1336
1337 GC gc2 = XCreateGC (disp, d2,
1338 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1339 &gcv);
1340
1341 XFillRectangle (disp, d2, gc2, 0, 0, w, h);
1342
1343 XFreeGC (disp, gc2);
1344 }
1345 else
1346#endif
1347 XftDrawRect (d2, &term->pix_colors[bg].c, 0, 0, w, h);
1348
1349 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1350 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1351 }
1352 else
1353 clear_rect (d, x, y, w, h, bg);
1354 }
1355 else
1356 {
1357 clear_rect (d, x, y, w, h, bg);
1318 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc); 1358 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1359 }
1319} 1360}
1361
1320#endif 1362#endif
1321 1363
1322///////////////////////////////////////////////////////////////////////////// 1364/////////////////////////////////////////////////////////////////////////////
1323 1365
1324rxvt_fontset::rxvt_fontset (rxvt_term *term) 1366rxvt_fontset::rxvt_fontset (rxvt_term *term)
1567 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1609 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1568 FcPatternAddBool (p, FC_MINSPACE, 1); 1610 FcPatternAddBool (p, FC_MINSPACE, 1);
1569 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1611 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1570 1612
1571 XftResult result; 1613 XftResult result;
1572 FcPattern *match = XftFontMatch (term->display->display, term->display->screen, p, &result); 1614 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1573 1615
1574 FcPatternDestroy (p); 1616 FcPatternDestroy (p);
1575 1617
1576 if (match) 1618 if (match)
1577 { 1619 {

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