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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.85 by root, Wed Jan 25 00:42:21 2006 UTC vs.
Revision 1.97 by root, Sun Feb 19 16:34:36 2006 UTC

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
158/////////////////////////////////////////////////////////////////////////////
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
175 165
176///////////////////////////////////////////////////////////////////////////// 166/////////////////////////////////////////////////////////////////////////////
177 167
178static const char * 168static const char *
179enc_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)
221 return res; 211 return res;
222} 212}
223 213
224///////////////////////////////////////////////////////////////////////////// 214/////////////////////////////////////////////////////////////////////////////
225 215
216rxvt_font::rxvt_font ()
217: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
218{
219}
220
226void 221void
227rxvt_font::set_name (char *name) 222rxvt_font::set_name (char *name)
228{ 223{
229 if (this->name == name) 224 if (this->name == name)
230 return; 225 return;
237rxvt_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
238{ 233{
239 dTermDisplay; 234 dTermDisplay;
240 dTermGC; 235 dTermGC;
241 236
242 if (color == Color_bg) 237 if (color < 0 || color == Color_bg)
243 XClearArea (disp, d, x, y, w, h, FALSE); 238 XClearArea (disp, d, x, y, w, h, false);
244 else if (color >= 0) 239 else
245 { 240 {
246#if XFT 241#if XFT
247 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h); 242 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
248#else 243#else
249 XSetForeground (disp, gc, term->pix_colors[color]); 244 XSetForeground (disp, gc, term->pix_colors[color]);
250 XFillRectangle (disp, d, gc, x, y, w, h); 245 XFillRectangle (disp, d, gc, x, y, w, h);
251#endif 246#endif
252 } 247 }
253} 248}
249
250/////////////////////////////////////////////////////////////////////////////
254 251
255#include "table/linedraw.h" 252#include "table/linedraw.h"
256 253
257struct rxvt_font_default : rxvt_font { 254struct rxvt_font_default : rxvt_font {
258 struct rxvt_fontset *fs; 255 struct rxvt_fontset *fs;
425 } 422 }
426 } 423 }
427#if ENABLE_COMBINING 424#if ENABLE_COMBINING
428 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 425 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
429 { 426 {
427 min_it (width, 2); // we only support wcwidth up to 2
428
430 text_t chrs[2]; 429 text_t chrs[2];
431 width = min (2, width);
432 chrs [1] = NOCHAR; 430 chrs [1] = NOCHAR;
433 431
434 *chrs = cc->c1; 432 *chrs = cc->c1;
435 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 433 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];
436 f1->draw (d, x, y, chrs, width, fg, bg); 434 f1->draw (d, x, y, chrs, width, fg, bg);
486 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
487 XFontStruct *f; 485 XFontStruct *f;
488 codeset cs; 486 codeset cs;
489 bool enc2b, encm; 487 bool enc2b, encm;
490 488
491 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 489 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
492 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);
493 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 491 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
494 bool set_properties (rxvt_fontprop &p, const char *name); 492 bool set_properties (rxvt_fontprop &p, const char *name);
495}; 493};
496 494
497char * 495char *
498rxvt_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
499{ 497{
500 unsigned long value; 498 unsigned long value;
501 499
502 if (XGetFontProperty (f, XInternAtom (term->display->display, property, 0), &value)) 500 if (XGetFontProperty (f, property, &value))
503 return XGetAtomName (term->display->display, value); 501 return XGetAtomName (term->dpy, value);
504 else 502 else
505 return rxvt_strdup (repl); 503 return rxvt_strdup (repl);
506} 504}
507 505
508rxvt_fontprop 506rxvt_fontprop
514} 512}
515 513
516bool 514bool
517rxvt_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)
518{ 516{
519 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;
520 p.height = height; 520 p.height = height;
521 p.ascent = rxvt_fontprop::unset; 521 p.ascent = rxvt_fontprop::unset;
522 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;
523 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;
524 524
529rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 529rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
530{ 530{
531 unsigned long height; 531 unsigned long height;
532 532
533#if 0 533#if 0
534 if (!XGetFontProperty (f, XInternAtom (term->display->display, "PIXEL_SIZE", 0), &height)) 534 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
535 return false; 535 return false;
536#else 536#else
537 height = f->ascent + f->descent; 537 height = f->ascent + f->descent;
538#endif 538#endif
539 539
540 unsigned long avgwidth; 540 unsigned long avgwidth;
541 if (!XGetFontProperty (f, XInternAtom (term->display->display, "AVERAGE_WIDTH", 0), &avgwidth)) 541 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
542 avgwidth = 0; 542 avgwidth = 0;
543 543
544 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 544 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
545 char *slant = get_property (f, "SLANT", "r"); 545 char *slant = get_property (f, term->xa [XA_SLANT], "r");
546 546
547 set_properties (p, height, weight, slant, avgwidth); 547 set_properties (p, height, weight, slant, avgwidth);
548 548
549 free (weight); 549 free (weight);
550 free (slant); 550 free (slant);
648 f = XLoadQueryFont (disp, name); 648 f = XLoadQueryFont (disp, name);
649 649
650 if (!f) 650 if (!f)
651 return false; 651 return false;
652 652
653 char *new_name = get_property (f, "FONT", name); 653 char *new_name = get_property (f, XA_FONT, name);
654 654
655 if (new_name) 655 if (new_name)
656 set_name (new_name); 656 set_name (new_name);
657 else 657 else
658 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 658 rxvt_warn ("font '%s' has no FONT property, continuing without.", name);
767 delete [] fonts; 767 delete [] fonts;
768 768
769 if (!f) 769 if (!f)
770 return false; 770 return false;
771 771
772 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 772 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
773 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 773 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
774 774
775 if (registry && encoding) 775 if (registry && encoding)
776 { 776 {
777 char charset[64]; 777 char charset[64];
778 snprintf (charset, 64, "%s-%s", registry, encoding); 778 snprintf (charset, 64, "%s-%s", registry, encoding);
779 779
780 cs = codeset_from_name (charset); 780 cs = codeset_from_name (charset);
781 } 781 }
782 else 782 else
783 { 783 {
784 const char *charset = get_property (f, "FONT", 0); 784 const char *charset = get_property (f, XA_FONT, 0);
785 785
786 if (!charset) 786 if (!charset)
787 charset = name; 787 charset = name;
788 788
789 int count = 13; 789 int count = 13;
804 enc2b = encm || f->max_char_or_byte2 > 255; 804 enc2b = encm || f->max_char_or_byte2 > 255;
805 805
806 slow = false; 806 slow = false;
807 807
808#if 1 // only used for slow detection, TODO optimize 808#if 1 // only used for slow detection, TODO optimize
809 if (f->min_bounds.width == f->max_bounds.width) 809 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
810 width = f->min_bounds.width;
811 else if (f->per_char == NULL)
812 width = f->max_bounds.width; 810 width = f->max_bounds.width;
813 else 811 else
814 { 812 {
815 slow = true; 813 slow = true;
816 814
832 830
833 width = 1; 831 width = 1;
834 832
835 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; )
836 { 834 {
837 if (cs != CS_UNICODE
838 && *t > 0x100
839 && FROM_UNICODE (cs, *t) == NOCHAR) 835 if (FROM_UNICODE (cs, *t) == NOCHAR)
840 continue; 836 continue;
841 837
842 // ignore characters we wouldn't use anyways 838 // ignore characters we wouldn't use anyways
843 bool careful; 839 bool careful;
844 if (!has_char (*t, &prop, careful)) 840 if (!has_char (*t, &prop, careful))
848 844
849 XCharStruct g; 845 XCharStruct g;
850 int dir_ret, asc_ret, des_ret; 846 int dir_ret, asc_ret, des_ret;
851 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 847 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
852 848
849 int wcw = WCWIDTH (*t);
853 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;
854 851
855 if (width < g.width) width = g.width; 852 if (width < g.width) width = g.width;
856 } 853 }
857 854
858 if (cs == CS_UNKNOWN) 855 if (cs == CS_UNKNOWN)
859 { 856 {
860 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name); 857 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
877void 874void
878rxvt_font_x11::clear () 875rxvt_font_x11::clear ()
879{ 876{
880 if (f) 877 if (f)
881 { 878 {
882 XFreeFont (term->display->display, f); 879 XFreeFont (term->dpy, f);
883 f = 0; 880 f = 0;
884 } 881 }
885} 882}
886 883
887bool 884bool
930 return false; 927 return false;
931 928
932 if (!prop || prop->width == rxvt_fontprop::unset) 929 if (!prop || prop->width == rxvt_fontprop::unset)
933 return true; 930 return true;
934 931
935 // check character against base font bounding box 932 // check wether character overlaps previous/next character
936 int w = xcs->width; 933 int w = xcs->rbearing - xcs->lbearing;
937 int wcw = wcwidth (unicode); 934 int wcw = max (WCWIDTH (unicode), 1);
938 if (wcw > 0) w = (w + wcw - 1) / wcw;
939 935
940 careful = w > prop->width; 936 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
941 if (careful && w > prop->width * MAX_OVERLAP >> 2) 937
938 if (careful && !OVERLAP_OK (w, wcw, prop))
942 return false; 939 return false;
943 940
944 return true; 941 return true;
945} 942}
946 943
1059void 1056void
1060rxvt_font_xft::clear () 1057rxvt_font_xft::clear ()
1061{ 1058{
1062 if (f) 1059 if (f)
1063 { 1060 {
1064 XftFontClose (term->display->display, f); 1061 XftFontClose (term->dpy, f);
1065 f = 0; 1062 f = 0;
1066 } 1063 }
1067} 1064}
1068 1065
1069rxvt_fontprop 1066rxvt_fontprop
1176 XGlyphInfo g; 1173 XGlyphInfo g;
1177 XftTextExtents16 (disp, f, &ch, 1, &g); 1174 XftTextExtents16 (disp, f, &ch, 1, &g);
1178 1175
1179 g.width -= g.x; 1176 g.width -= g.x;
1180 1177
1181 int wcw = wcwidth (ch); 1178 int wcw = WCWIDTH (ch);
1182 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 1179 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1183 1180
1184 if (width < g.width ) width = g.width; 1181 if (width < g.width ) width = g.width;
1185 if (height < g.height ) height = g.height; 1182 if (height < g.height ) height = g.height;
1186 if (glheight < g.height - g.y) glheight = g.height - g.y; 1183 if (glheight < g.height - g.y) glheight = g.height - g.y;
1236bool 1233bool
1237rxvt_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
1238{ 1235{
1239 careful = false; 1236 careful = false;
1240 1237
1241 if (!XftCharExists (term->display->display, f, unicode)) 1238 if (!XftCharExists (term->dpy, f, unicode))
1242 return false; 1239 return false;
1243 1240
1244 if (!prop || prop->width == rxvt_fontprop::unset) 1241 if (!prop || prop->width == rxvt_fontprop::unset)
1245 return true; 1242 return true;
1246 1243
1247 // check character against base font bounding box 1244 // check character against base font bounding box
1248 FcChar32 ch = unicode; 1245 FcChar32 ch = unicode;
1249 XGlyphInfo g; 1246 XGlyphInfo g;
1250 XftTextExtents32 (term->display->display, f, &ch, 1, &g); 1247 XftTextExtents32 (term->dpy, f, &ch, 1, &g);
1251 1248
1252 int w = g.width - g.x; 1249 int w = g.width - g.x;
1253 int wcw = wcwidth (unicode); 1250 int wcw = max (WCWIDTH (unicode), 1);
1254 if (wcw > 0) w = (w + wcw - 1) / wcw;
1255 1251
1256 careful = w > prop->width; 1252 careful = g.x > 0 || w > prop->width * wcw;
1257 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))
1258 return false; 1259 return false;
1259 1260
1260 return true; 1261 return true;
1261} 1262}
1262 1263
1263void 1264void
1264rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1265rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1265 const text_t *text, int len, 1266 const text_t *text, int len,
1266 int fg, int bg) 1267 int fg, int bg)
1267{ 1268{
1268 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
1269
1270 XGlyphInfo extents; 1269 XGlyphInfo extents;
1271 XftGlyphSpec *enc = (XftGlyphSpec *)rxvt_temp_buf (len * sizeof (XftGlyphSpec)); 1270 XftGlyphSpec *enc = (XftGlyphSpec *)rxvt_temp_buf (len * sizeof (XftGlyphSpec));
1272 XftGlyphSpec *ep = enc; 1271 XftGlyphSpec *ep = enc;
1273 1272
1274 dTermDisplay; 1273 dTermDisplay;
1275 dTermGC; 1274 dTermGC;
1276 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
1285
1277 // cut trailing spaces 1286 // cut trailing spaces
1278 while (len && text [len - 1] == ' ') 1287 while (len && text [len - 1] == ' ')
1279 len--; 1288 len--;
1289
1290 int x_ = buffered ? 0 : x;
1291 int y_ = buffered ? 0 : y;
1280 1292
1281 while (len) 1293 while (len)
1282 { 1294 {
1283 int cwidth = term->fwidth; 1295 int cwidth = term->fwidth;
1284 FcChar32 fc = *text++; len--; 1296 FcChar32 fc = *text++; len--;
1290 { 1302 {
1291 FT_UInt glyph = XftCharIndex (disp, f, fc); 1303 FT_UInt glyph = XftCharIndex (disp, f, fc);
1292 XftGlyphExtents (disp, f, &glyph, 1, &extents); 1304 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1293 1305
1294 ep->glyph = glyph; 1306 ep->glyph = glyph;
1295 ep->x = x + (cwidth - extents.xOff >> 1); 1307 ep->x = x_ + (cwidth - extents.xOff >> 1);
1296 ep->y = y + ascent; 1308 ep->y = y_ + ascent;
1309
1310 if (extents.xOff == 0)
1311 ep->x = x_ + cwidth;
1312
1297 ep++; 1313 ep++;
1298 } 1314 }
1299 1315
1300 x += cwidth; 1316 x_ += cwidth;
1317 }
1318
1319 if (buffered)
1301 } 1320 {
1302
1303 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);
1304 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc); 1358 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1359 }
1305} 1360}
1361
1306#endif 1362#endif
1307 1363
1308///////////////////////////////////////////////////////////////////////////// 1364/////////////////////////////////////////////////////////////////////////////
1309 1365
1310rxvt_fontset::rxvt_fontset (rxvt_term *term) 1366rxvt_fontset::rxvt_fontset (rxvt_term *term)
1553 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1609 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1554 FcPatternAddBool (p, FC_MINSPACE, 1); 1610 FcPatternAddBool (p, FC_MINSPACE, 1);
1555 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1611 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1556 1612
1557 XftResult result; 1613 XftResult result;
1558 FcPattern *match = XftFontMatch (term->display->display, term->display->screen, p, &result); 1614 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1559 1615
1560 FcPatternDestroy (p); 1616 FcPatternDestroy (p);
1561 1617
1562 if (match) 1618 if (match)
1563 { 1619 {

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