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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 1.193 by sf-exg, Fri Nov 7 13:45:55 2014 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) 2003-2008 Marc Lehmann <schmorp@schmorp.de>
5 * - original version. 5 * - original version.
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version. 10 * (at your option) any later version.
11 * 11 *
12 * This program is distributed in the hope that it will be useful, 12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *---------------------------------------------------------------------*/ 20 *---------------------------------------------------------------------*/
21 21
22#include "../config.h" 22#include "../config.h"
23#include "rxvt.h" 23#include "rxvt.h"
24#include "rxvtlib.h"
25#include "rxvtutil.h" 24#include "rxvtutil.h"
26#include "rxvtfont.h" 25#include "rxvtfont.h"
27 26
28#include <cstdlib> 27#include <stdlib.h>
29#include <wchar.h> 28
30#include <inttypes.h> 29#include <inttypes.h>
31 30
31#if XFT
32# include <fontconfig/fontconfig.h>
33#endif
34
32#define MAX_OVERLAP (4 + 1) // max. character width in 4ths of the base width 35#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width
36#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts
33 37
38#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \
39 (prop)->slant >= rxvt_fontprop::italic \
40 ? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \
41 : ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \
42 ))
43
34const struct rxvt_fallback_font { 44static const struct rxvt_fallback_font {
35 codeset cs; 45 codeset cs;
36 const char *name; 46 const char *name;
37} fallback_fonts[] = { 47} fallback_fonts[] = {
38 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" }, 48 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },
39 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" }, 49 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },
40 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" }, 50 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" },
41 51
42#if ENCODING_EU 52#if ENCODING_EU
43 // cyrillic 53 // cyrillic
44 { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" }, 54 { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" },
45 { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" }, 55 { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" },
46 56
47 { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" }, 57 { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" },
48 { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" }, 58 { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" },
49 { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" }, 59 { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" },
50 { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" }, 60 { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" },
51 { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" }, 61 { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" },
… …
57 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" }, 67 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },
58 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" }, 68 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },
59 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" }, 69 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },
60 70
61# if XFT 71# if XFT
62 { CS_KOI8_U, "xft::spacing=100:lang=ru:antialias=false" }, 72 { CS_KOI8_U, "xft::lang=ru" },
63 73
64 { CS_ISO8859_5, "xft::spacing=100:lang=ru:antialias=false" }, 74 { CS_ISO8859_5, "xft::lang=ru" },
65 { CS_ISO8859_6, "xft::spacing=100:lang=ar:antialias=false" }, 75 { CS_ISO8859_6, "xft::lang=ar" },
66 { CS_ISO8859_7, "xft::spacing=100:lang=el:antialias=false" }, 76 { CS_ISO8859_7, "xft::lang=el" },
67 { CS_ISO8859_8, "xft::spacing=100:lang=he:antialias=false" }, 77 { CS_ISO8859_8, "xft::lang=he" },
68 { CS_ISO8859_9, "xft::spacing=100:lang=tr:antialias=false" }, 78 { CS_ISO8859_9, "xft::lang=tr" },
69 { CS_ISO8859_10, "xft::spacing=100:lang=se:antialias=false" }, 79 { CS_ISO8859_10, "xft::lang=se" },
70 { CS_ISO8859_11, "xft::spacing=100:lang=th:antialias=false" }, 80 { CS_ISO8859_11, "xft::lang=th" },
71# endif 81# endif
72#endif 82#endif
73 83
74 // japanese 84 // japanese
75#if ENCODING_JP || ENCODING_JP_EXT 85#if ENCODING_JP || ENCODING_JP_EXT
76# if XFT 86# if XFT
77 // prefer xft for complex scripts 87 // prefer xft for complex scripts
88 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
78 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, 89 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
79 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
80 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" }, 90 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
81 { CS_JIS0208_1990_0, "xft::lang=ja:spacing=100:antialias=false" }, 91 { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
82# endif 92# endif
83 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 93 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
84 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 94 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
85 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 95 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
86 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 96 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
… …
90 100
91#if ENCODING_ZH || ENCODING_ZH_EXT 101#if ENCODING_ZH || ENCODING_ZH_EXT
92# if XFT 102# if XFT
93 { CS_GBK_0, "xft:AR PL KaitiM GB" }, 103 { CS_GBK_0, "xft:AR PL KaitiM GB" },
94 { CS_GBK_0, "xft:AR PL SungtiL GB" }, 104 { CS_GBK_0, "xft:AR PL SungtiL GB" },
95 { CS_GBK_0, "xft::spacing=100:lang=zh" }, 105 { CS_GBK_0, "xft::lang=zh" },
96 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 106 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
97 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 107 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
98 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 108 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
99 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 109 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
100 { CS_GB2312_1980_0, "xft::spacing=100:lang=zh" }, 110 { CS_GB2312_1980_0, "xft::lang=zh" },
101# endif 111# endif
102 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" }, 112 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
103 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, 113 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
104 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, 114 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
105 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, 115 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
… …
118#if ENCODING_KR 128#if ENCODING_KR
119 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 129 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
120 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 130 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
121# if XFT 131# if XFT
122 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, 132 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
123 { CS_KSC5601_1987_0, "xft::spacing=100:lang=ko:antialias=false" }, 133 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
124# endif 134# endif
125#endif 135#endif
126 136
127 // generic font fallback 137 //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
128 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
129 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
130 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
131 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
132#if XFT 138#if XFT
133 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" }, 139 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
134 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 140 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
135 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, 141 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
136 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" }, 142 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
137 143
138 // FreeMono is usually uglier than x fonts, so try last only. 144 // FreeMono is usually uglier than x fonts, so try after the others
139 { CS_UNICODE, "xft:FreeMono:autohint=true" }, 145 { CS_UNICODE, "xft:FreeMono:autohint=true" },
140#endif 146#endif
141 147
148 // generic font fallback, put this last, as many iso10646 fonts have extents
149 // specified for all glyphs in the range they cover, but most are simply empty
150 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
151 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
142 { CS_UNKNOWN, 0 } 152 { CS_UNKNOWN, 0 }
143}; 153};
144 154
145// these characters are used to guess the font height and width 155// these characters are used to guess the font height and width
146// 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.
… …
148 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 158 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
149 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 159 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
150 0x304c, 0x672c, // が本 160 0x304c, 0x672c, // が本
151}; 161};
152 162
153#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
154
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 (name == name_)
230 return; 225 return;
231 226
232 if (this->name) free (this->name); // let the compiler optimize 227 if (name) free (name); // let the compiler optimize
233 this->name = name; 228 name = name_;
234} 229}
235 230
236void 231void
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 == Color_bg || color == Color_transparent)
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 if (color >= 0)
245 { 240 {
246#if XFT 241#if XFT
242 Picture dst;
243
244# ifdef HAVE_BG_PIXMAP
245 if (term->bg_img
246 && !term->pix_colors[color].is_opaque ()
247 && ((dst = XftDrawPicture (d))))
248 {
249 XClearArea (disp, d, x, y, w, h, false);
250
251 Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c);
252 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h);
253 }
254 else
255# endif
247 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h); 256 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
257
248#else 258#else
249 XSetForeground (disp, gc, term->pix_colors[color]); 259 XSetForeground (disp, gc, term->pix_colors[color]);
250 XFillRectangle (disp, d, gc, x, y, w, h); 260 XFillRectangle (disp, d, gc, x, y, w, h);
251#endif 261#endif
252 } 262 }
253} 263}
254 264
255#include "table/linedraw.h" 265/////////////////////////////////////////////////////////////////////////////
256 266
257struct rxvt_font_default : rxvt_font { 267struct rxvt_font_default : rxvt_font {
258 struct rxvt_fontset *fs; 268 struct rxvt_fontset *fs;
259 269
260 rxvt_font_default (rxvt_fontset *fs) 270 rxvt_font_default (rxvt_fontset *fs)
… …
273 p.slant = rxvt_fontprop::roman; 283 p.slant = rxvt_fontprop::roman;
274 284
275 return p; 285 return p;
276 } 286 }
277 287
278 bool load (const rxvt_fontprop &prop) 288 bool load (const rxvt_fontprop &prop, bool force_prop)
279 { 289 {
280 width = 1; height = 1; 290 width = 1; height = 1;
281 ascent = 1; descent = 0; 291 ascent = 1; descent = 0;
282 292
283 set_name (strdup ("built-in support font")); 293 set_name (strdup ("built-in support font"));
… …
296 return false; 306 return false;
297 307
298 if (unicode <= 0x009f) 308 if (unicode <= 0x009f)
299 return true; 309 return true;
300 310
311#ifdef BUILTIN_GLYPHS
301 if (unicode >= 0x2500 && unicode <= 0x259f && 312 if (unicode >= 0x2500 && unicode <= 0x259f &&
302 !term->option (Opt_skipBuiltinGlyphs)) 313 !term->option (Opt_skipBuiltinGlyphs))
303 return true; 314 return true;
315#endif
304 316
305 if (IS_COMPOSE (unicode)) 317 if (IS_COMPOSE (unicode))
306 return true; 318 return true;
307 319
308 switch (unicode) 320 switch (unicode)
… …
344 ; 356 ;
345 357
346 int width = text - tp; 358 int width = text - tp;
347 int fwidth = term->fwidth * width; 359 int fwidth = term->fwidth * width;
348 360
361#ifdef BUILTIN_GLYPHS
349 if (0x2500 <= t && t <= 0x259f) 362 if (0x2500 <= t && t <= 0x259f)
350 { 363 {
364# include "table/linedraw.h"
351 uint16_t offs = linedraw_offs[t - 0x2500]; 365 uint16_t offs = linedraw_offs[t - 0x2500];
352 uint32_t *a = linedraw_command + (offs >> 4); 366 uint32_t *a = linedraw_command + (offs >> 4);
353 uint32_t *b = a + (offs & 15); 367 uint32_t *b = a + (offs & 15);
354 368
355 int W = fwidth; 369 int W = fwidth;
… …
393 407
394 case 1: // rectangle, possibly stippled 408 case 1: // rectangle, possibly stippled
395 if (a) 409 if (a)
396 { 410 {
397 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 411 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
398 412
399 gcv.fill_style = FillStippled; 413 gcv.fill_style = FillStippled;
400 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2); 414 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
401 gcv.ts_x_origin = x; 415 gcv.ts_x_origin = x;
402 gcv.ts_y_origin = y; 416 gcv.ts_y_origin = y;
403 417
… …
422 (a - 1) * 90*64, (b - 1) * 90*64); 436 (a - 1) * 90*64, (b - 1) * 90*64);
423 break; 437 break;
424 } 438 }
425 } 439 }
426 } 440 }
441#else
442 if (0)
443 ;
444#endif
427#if ENABLE_COMBINING 445#if ENABLE_COMBINING
428 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 446 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
429 { 447 {
448 min_it (width, 2); // we only support wcwidth up to 2
449
430 text_t chrs[2]; 450 text_t chrs[2];
431 width = min (2, width);
432 chrs [1] = NOCHAR; 451 chrs [1] = NOCHAR;
433 452
434 *chrs = cc->c1; 453 *chrs = cc->c1;
435 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 454 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
436 f1->draw (d, x, y, chrs, width, fg, bg); 455 f1->draw (d, x, y, chrs, width, fg, bg);
437 456
438 if (cc->c2 != NOCHAR) 457 if (cc->c2 != NOCHAR)
439 { 458 {
440 bool careful; 459 bool careful;
441 460
442 // prefer font of first character, for no good reasons 461 // prefer font of first character, for no good reasons
443 *chrs = cc->c2; 462 *chrs = cc->c2;
444 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) 463 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
445 ? f1 464 ? f1
446 : (*fs)[fs->find_font (cc->c2)]; 465 : (*fs)[fs->find_font_idx (cc->c2)];
447 466
448 f2->draw (d, x, y, chrs, width, fg, -1); 467 f2->draw (d, x, y, chrs, width, fg, Color_none);
449 } 468 }
450 } 469 }
451#endif 470#endif
452 else 471 else
453 switch (t) 472 switch (t)
… …
464 483
465 x += fwidth; 484 x += fwidth;
466 } 485 }
467} 486}
468 487
488struct rxvt_font_overflow : rxvt_font {
489 struct rxvt_fontset *fs;
490
491 rxvt_font_overflow (rxvt_fontset *fs)
492 : rxvt_font ()
493 {
494 this->fs = fs;
495 }
496
497 rxvt_fontprop properties ()
498 {
499 rxvt_fontprop p;
500
501 p.width = p.height = 1;
502 p.ascent = rxvt_fontprop::unset;
503 p.weight = rxvt_fontprop::medium;
504 p.slant = rxvt_fontprop::roman;
505
506 return p;
507 }
508
509 bool load (const rxvt_fontprop &prop, bool force_prop)
510 {
511 width = 1; height = 1;
512 ascent = 1; descent = 0;
513
514 set_name (strdup ("built-in rendition overflow font"));
515
516 return true;
517 }
518
519 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
520 {
521 return false;
522 }
523
524 void draw (rxvt_drawable &d, int x, int y,
525 const text_t *text, int len,
526 int fg, int bg)
527 {
528 while (len)
529 {
530 int fid = fs->find_font_idx (*text);
531 int w = 1;
532 while (w < len && text[w] == NOCHAR)
533 w++;
534 (*fs)[fid]->draw (d, x, y, text, w, fg, bg);
535 text += w;
536 len -= w;
537 x += term->fwidth * w;
538 }
539 }
540};
541
469///////////////////////////////////////////////////////////////////////////// 542/////////////////////////////////////////////////////////////////////////////
470 543
471struct rxvt_font_x11 : rxvt_font { 544struct rxvt_font_x11 : rxvt_font {
472 rxvt_font_x11 () { f = 0; } 545 rxvt_font_x11 () { f = 0; }
473 546
474 void clear (); 547 void clear ();
475 548
476 rxvt_fontprop properties (); 549 rxvt_fontprop properties ();
477 550
478 bool load (const rxvt_fontprop &prop); 551 bool load (const rxvt_fontprop &prop, bool force_prop);
479 552
480 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const; 553 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
481 554
482 void draw (rxvt_drawable &d, int x, int y, 555 void draw (rxvt_drawable &d, int x, int y,
483 const text_t *text, int len, 556 const text_t *text, int len,
484 int fg, int bg); 557 int fg, int bg);
485 558
486 bool slow; // wether this is a proportional font or has other funny characteristics 559 bool slow; // whether this is a proportional font or has other funny characteristics
487 XFontStruct *f; 560 XFontStruct *f;
488 codeset cs;
489 bool enc2b, encm; 561 bool enc2b, encm;
490 562
491 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 563 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); 564 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); 565 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
494 bool set_properties (rxvt_fontprop &p, const char *name); 566 bool set_properties (rxvt_fontprop &p, const char *name);
495}; 567};
496 568
497char * 569char *
498rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 570rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
499{ 571{
500 unsigned long value; 572 unsigned long value;
501 573
502 if (XGetFontProperty (f, XInternAtom (term->display->display, property, 0), &value)) 574 if (XGetFontProperty (f, property, &value))
503 return XGetAtomName (term->display->display, value); 575 return XGetAtomName (term->dpy, value);
504 else 576 else
505 return rxvt_strdup (repl); 577 return repl ? strdup (repl) : 0;
506} 578}
507 579
508rxvt_fontprop 580rxvt_fontprop
509rxvt_font_x11::properties () 581rxvt_font_x11::properties ()
510{ 582{
… …
514} 586}
515 587
516bool 588bool
517rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 589rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
518{ 590{
519 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 591 p.width = width != rxvt_fontprop::unset ? width
592 : avgwidth ? (avgwidth + 1) / 10
593 : (height + 1) / 2;
520 p.height = height; 594 p.height = height;
521 p.ascent = rxvt_fontprop::unset; 595 p.ascent = rxvt_fontprop::unset;
522 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 596 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; 597 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
524 598
… …
529rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 603rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
530{ 604{
531 unsigned long height; 605 unsigned long height;
532 606
533#if 0 607#if 0
534 if (!XGetFontProperty (f, XInternAtom (term->display->display, "PIXEL_SIZE", 0), &height)) 608 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
535 return false; 609 return false;
536#else 610#else
537 height = f->ascent + f->descent; 611 height = f->ascent + f->descent;
538#endif 612#endif
539 613
540 unsigned long avgwidth; 614 unsigned long avgwidth;
541 if (!XGetFontProperty (f, XInternAtom (term->display->display, "AVERAGE_WIDTH", 0), &avgwidth)) 615 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
542 avgwidth = 0; 616 avgwidth = 0;
543 617
544 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 618 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
545 char *slant = get_property (f, "SLANT", "r"); 619 char *slant = get_property (f, term->xa [XA_SLANT], "r");
546 620
547 set_properties (p, height, weight, slant, avgwidth); 621 set_properties (p, height, weight, slant, avgwidth);
548 622
549 free (weight); 623 free (weight);
550 free (slant); 624 free (slant);
… …
590 return false; 664 return false;
591} 665}
592 666
593// fix the size of scalable fonts 667// fix the size of scalable fonts
594static bool 668static bool
595replace_field (char *buf, const char *name, int index, const char old, const char *replace) 669replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
596{ 670{
597 int slashes = 0; 671 int slashes = 0;
598 const char *field, *end; 672 const char *field, *end;
599 673
600 for (const char *c = name; *c; c++) 674 for (const char *c = name; *c; c++)
… …
610 break; 684 break;
611 } 685 }
612 686
613 if (slashes >= 13 && (!old || *field == old)) 687 if (slashes >= 13 && (!old || *field == old))
614 { 688 {
615 // TODO: check for overflow in font-name 689 size_t len = field - name;
616 strncpy (buf, name, field - name); 690 *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
617 buf += field - name; 691 memcpy (*ptr, name, len);
618 strcpy (buf, replace); 692 strcpy (*ptr + len, replace);
619 strcat (buf, end); 693 strcat (*ptr, end);
620 694
621 return true; 695 return true;
622 } 696 }
623 else 697 else
624 { 698 {
625 strcpy (buf, name); 699 *ptr = strdup (name);
626 700
627 return false; 701 return false;
628 } 702 }
629} 703}
630 704
631bool 705bool
632rxvt_font_x11::load (const rxvt_fontprop &prop) 706rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
633{ 707{
634 dTermDisplay; 708 dTermDisplay;
635 709
636 clear (); 710 clear ();
637 711
638 char field_str[64]; // enough for 128 bits 712 char field_str[64]; // enough for 128 bits
639 713
640 // first morph the font if required 714 // first morph the font if required
641 if (prop.weight != rxvt_fontprop::unset 715 if (force_prop)
642 || prop.slant != rxvt_fontprop::unset)
643 { 716 {
644 char fname[1024]; 717 char *fname;
645 718
646 if (name[0] != '-') 719 if (name[0] != '-')
647 { 720 {
648 f = XLoadQueryFont (disp, name); 721 f = XLoadQueryFont (disp, name);
649 722
650 if (!f) 723 if (!f)
651 return false; 724 return false;
652 725
653 char *new_name = get_property (f, "FONT", name); 726 char *new_name = get_property (f, XA_FONT, 0);
654 727
655 if (new_name) 728 if (new_name)
656 set_name (new_name); 729 set_name (new_name);
657 else 730 else
658 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 731 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
659 732
660 XFreeFont (disp, f); 733 XFreeFont (disp, f);
661 f = 0; 734 f = 0;
662 } 735 }
663 736
664 if (prop.weight != rxvt_fontprop::unset) 737 if (prop.weight != rxvt_fontprop::unset)
665 { 738 {
666 replace_field (fname, name, 2, 0, 739 replace_field (&fname, name, 2, 0,
667 prop.weight < rxvt_fontprop::bold 740 prop.weight < rxvt_fontprop::bold
668 ? "medium" : "bold"); 741 ? "medium" : "bold");
669 set_name (strdup (fname)); 742 set_name (fname);
670 } 743 }
671 744
672 if (prop.slant != rxvt_fontprop::unset) 745 if (prop.slant != rxvt_fontprop::unset)
673 { 746 {
674 replace_field (fname, name, 3, 0, 747 replace_field (&fname, name, 3, 0,
675 prop.slant < rxvt_fontprop::italic 748 prop.slant < rxvt_fontprop::italic
676 ? "r" : "i"); // TODO: handle "o"blique, too 749 ? "r" : "i"); // TODO: handle "o"blique, too
677 set_name (strdup (fname)); 750 set_name (fname);
678 } 751 }
679 } 752 }
680 753
681 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 754 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
682 ? 0 : prop.height); 755 ? 0 : prop.height);
… …
707 font_weight *fonts = new font_weight[count]; 780 font_weight *fonts = new font_weight[count];
708 781
709 for (int i = 0; i < count; i++) 782 for (int i = 0; i < count; i++)
710 { 783 {
711 rxvt_fontprop p; 784 rxvt_fontprop p;
712 char fname[1024]; 785 char *fname;
713 786
714 int diff = 0; 787 int diff = 0;
715 788
716 if (replace_field (fname, list[i], 6, '0', field_str)) 789 if (replace_field (&fname, list[i], 6, '0', field_str))
717 diff += 10; // slightly penalize scalable fonts 790 diff += 10; // slightly penalize scalable fonts
791 else
792 {
793 free (fname);
718 else if (replace_field (fname, list[i], 11, '0', "0")) 794 if (replace_field (&fname, list[i], 11, '0', "0"))
719 diff += 300; // more heavily penalize what looks like scaled bitmap fonts 795 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
796 }
720 797
721 if (!set_properties (p, fname)) 798 if (!set_properties (p, fname)
799 // also weed out too large fonts
800 || (prop.height != rxvt_fontprop::unset
801 && p.height > prop.height))
802 {
803 free (fname);
722 continue; 804 continue;
723 805 }
724 if (prop.height != rxvt_fontprop::unset
725 && p.height > prop.height) // weed out too large fonts
726 continue;
727 806
728 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 807 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
729 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 808 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
730 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 809 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
731 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 810 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
732 811
733 fonts[i].name = strdup (fname); 812 fonts[i].name = fname;
734 fonts[i].diff = diff; 813 fonts[i].diff = diff;
735 } 814 }
736 815
737 XFreeFontNames (list); 816 XFreeFontNames (list);
738 817
739 // this loop only iterates when the guessed font-size is too small 818 // this loop only iterates when the guessed font-size is too small
740 for (;;) 819 for (;;)
741 { 820 {
742 font_weight *best = fonts + count - 1; 821 font_weight *best = fonts;
743 822
744 for (font_weight *w = best; w-- > fonts; ) 823 for (font_weight *w = fonts + 1; w < fonts + count; w++)
745 if (w->diff <= best->diff) 824 if (w->diff < best->diff)
746 best = w; 825 best = w;
747 826
748 if (!best->name 827 if (!best->name
749 || !(f = XLoadQueryFont (disp, best->name))) 828 || !(f = XLoadQueryFont (disp, best->name)))
750 break; 829 break;
… …
767 delete [] fonts; 846 delete [] fonts;
768 847
769 if (!f) 848 if (!f)
770 return false; 849 return false;
771 850
772 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 851 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
773 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 852 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
853
854 cs = CS_UNKNOWN;
774 855
775 if (registry && encoding) 856 if (registry && encoding)
776 { 857 {
777 char charset[64]; 858 char charset[64];
778 snprintf (charset, 64, "%s-%s", registry, encoding); 859 snprintf (charset, 64, "%s-%s", registry, encoding);
779 860
780 cs = codeset_from_name (charset); 861 cs = codeset_from_name (charset);
781 } 862
782 else 863 if (cs == CS_UNKNOWN)
864 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
783 { 865 }
866
867 free (registry);
868 free (encoding);
869
870 if (cs == CS_UNKNOWN)
871 {
784 const char *charset = get_property (f, "FONT", 0); 872 char *value = get_property (f, XA_FONT, 0);
873 const char *charset = value;
785 874
786 if (!charset) 875 if (!charset)
787 charset = name; 876 charset = name;
788 877
789 int count = 13; 878 int count = 13;
790 while (*charset) 879 while (*charset)
791 if (*charset++ == '-' && !--count) 880 if (*charset++ == '-' && !--count)
792 break; 881 break;
793 882
794 cs = codeset_from_name (charset); 883 cs = codeset_from_name (charset);
884 if (cs == CS_UNKNOWN)
885 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
886
887 free (value);
888 }
889
890 if (cs == CS_UNKNOWN)
795 } 891 {
796 892 clear ();
797 free (registry); 893 return false;
798 free (encoding); 894 }
799 895
800 if (cs == CS_UNICODE) 896 if (cs == CS_UNICODE)
801 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 897 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
802 898
803 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 899 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
804 enc2b = encm || f->max_char_or_byte2 > 255; 900 enc2b = encm || f->max_char_or_byte2 > 255;
805 901
806 slow = false; 902 slow = false;
807 903
808#if 1 // only used for slow detection, TODO optimize 904#if 1 // only used for slow detection, TODO optimize
809 if (f->min_bounds.width == f->max_bounds.width) 905 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; 906 width = f->max_bounds.width;
813 else 907 else
814 { 908 {
815 slow = true; 909 slow = true;
816 910
817 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 911 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
818 912
819 if (encm) 913 if (encm)
820 N += (f->max_byte1 - f->min_byte1) 914 N += (f->max_byte1 - f->min_byte1)
821 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); 915 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
822 916
823 while (N) 917 while (N)
824 { 918 {
825 if (f->per_char[N].width > width) 919 if (f->per_char[N].width > width)
826 width = f->per_char[N].width; 920 width = f->per_char[N].width;
827 921
… …
830 } 924 }
831#endif 925#endif
832 926
833 width = 1; 927 width = 1;
834 928
835 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 929 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
836 { 930 {
837 if (cs != CS_UNICODE
838 && *t > 0x100
839 && FROM_UNICODE (cs, *t) == NOCHAR) 931 if (FROM_UNICODE (cs, *t) == NOCHAR)
840 continue; 932 continue;
841 933
842 // ignore characters we wouldn't use anyways 934 // ignore characters we wouldn't use anyways
843 bool careful; 935 bool careful;
844 if (!has_char (*t, &prop, careful)) 936 if (!has_char (*t, &prop, careful))
845 continue; 937 continue;
846 938
847 XChar2b ch = { *t >> 8, *t }; 939 // the casts are needed in C++11 (see 8.5.1)
940 XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t };
848 941
849 XCharStruct g; 942 XCharStruct g;
850 int dir_ret, asc_ret, des_ret; 943 int dir_ret, asc_ret, des_ret;
851 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 944 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
852 945
946 int wcw = WCWIDTH (*t);
853 int wcw = wcwidth (*t); if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 947 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
854 948
855 if (width < g.width) width = g.width; 949 if (width < g.width) width = g.width;
856 }
857
858 if (cs == CS_UNKNOWN)
859 { 950 }
860 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
861 951
952#if 0 // do it per-character
953 if (prop && width > prop->width)
954 {
862 clear (); 955 clear ();
863 return false; 956 return false;
864 } 957 }
865
866#if 0 // do it per-character
867 if (prop && width > prop->width)
868 {
869 clear ();
870 return false;
871 }
872#endif 958#endif
873 959
874 return true; 960 return true;
875} 961}
876 962
877void 963void
878rxvt_font_x11::clear () 964rxvt_font_x11::clear ()
879{ 965{
880 if (f) 966 if (f)
881 { 967 {
882 XFreeFont (term->display->display, f); 968 XFreeFont (term->dpy, f);
883 f = 0; 969 f = 0;
884 } 970 }
885} 971}
886 972
887bool 973bool
888rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const 974rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
889{ 975{
976 careful = false;
977
890 uint32_t ch = FROM_UNICODE (cs, unicode); 978 uint32_t ch = FROM_UNICODE (cs, unicode);
891 979
892 if (ch == NOCHAR) 980 if (ch == NOCHAR)
893 return false; 981 return false;
894 982
895 /* check wether the character exists in _this_ font. horrible. */ 983 /* check whether the character exists in _this_ font. horrible. */
896 XCharStruct *xcs; 984 XCharStruct *xcs;
897 985
898 if (encm) 986 if (encm)
899 { 987 {
900 unsigned char byte1 = ch >> 8; 988 unsigned char byte1 = ch >> 8;
… …
930 return false; 1018 return false;
931 1019
932 if (!prop || prop->width == rxvt_fontprop::unset) 1020 if (!prop || prop->width == rxvt_fontprop::unset)
933 return true; 1021 return true;
934 1022
935 // check character against base font bounding box 1023 // check whether character overlaps previous/next character
936 int w = xcs->width; 1024 int w = xcs->rbearing - xcs->lbearing;
937 int wcw = wcwidth (unicode); 1025 int wcw = max (WCWIDTH (unicode), 1);
938 if (wcw > 0) w = (w + wcw - 1) / wcw;
939 1026
940 careful = w > prop->width; 1027 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
941 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1028
1029 if (careful && !OVERLAP_OK (w, wcw, prop))
942 return false; 1030 return false;
943 1031
944 return true; 1032 return true;
945} 1033}
946 1034
… …
980 else 1068 else
981 { 1069 {
982 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); 1070 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
983 1071
984 XChangeGC (disp, gc, GCForeground | GCFont, &v); 1072 XChangeGC (disp, gc, GCForeground | GCFont, &v);
985 1073
986 if (slow) 1074 if (slow)
987 { 1075 {
988 do 1076 do
989 { 1077 {
990 if (xc->byte1 || xc->byte2) 1078 if (xc->byte1 || xc->byte2)
… …
1012 else 1100 else
1013 { 1101 {
1014 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg); 1102 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
1015 1103
1016 XChangeGC (disp, gc, GCForeground | GCFont, &v); 1104 XChangeGC (disp, gc, GCForeground | GCFont, &v);
1017 1105
1018 if (slow) 1106 if (slow)
1019 { 1107 {
1020 do 1108 do
1021 { 1109 {
1022 if (*xc) 1110 if (*xc)
… …
1042 1130
1043 void clear (); 1131 void clear ();
1044 1132
1045 rxvt_fontprop properties (); 1133 rxvt_fontprop properties ();
1046 1134
1047 bool load (const rxvt_fontprop &prop); 1135 bool load (const rxvt_fontprop &prop, bool force_prop);
1048 1136
1049 void draw (rxvt_drawable &d, int x, int y, 1137 void draw (rxvt_drawable &d, int x, int y,
1050 const text_t *text, int len, 1138 const text_t *text, int len,
1051 int fg, int bg); 1139 int fg, int bg);
1052 1140
1053 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull) const; 1141 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
1054 1142
1055protected: 1143protected:
1056 XftFont *f; 1144 XftFont *f;
1057}; 1145};
1058 1146
1059void 1147void
1060rxvt_font_xft::clear () 1148rxvt_font_xft::clear ()
1061{ 1149{
1062 if (f) 1150 if (f)
1063 { 1151 {
1064 XftFontClose (term->display->display, f); 1152 XftFontClose (term->dpy, f);
1065 f = 0; 1153 f = 0;
1066 } 1154 }
1067} 1155}
1068 1156
1069rxvt_fontprop 1157rxvt_fontprop
… …
1085 1173
1086 return p; 1174 return p;
1087} 1175}
1088 1176
1089bool 1177bool
1090rxvt_font_xft::load (const rxvt_fontprop &prop) 1178rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
1091{ 1179{
1092 dTermDisplay; 1180 dTermDisplay;
1093 1181
1094 clear (); 1182 clear ();
1095 1183
… …
1104 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1192 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1105 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1193 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1106 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1194 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1107 1195
1108 if (prop.weight != rxvt_fontprop::unset 1196 if (prop.weight != rxvt_fontprop::unset
1109 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1197 && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
1110 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1198 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1111 1199
1112 if (prop.slant != rxvt_fontprop::unset 1200 if (prop.slant != rxvt_fontprop::unset
1113 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1201 && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
1114 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1202 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1115 1203
1116#if 0 // clipping unfortunately destroys our precious double-width-characters 1204#if 0 // clipping unfortunately destroys our precious double-width-characters
1117 // clip width, we can't do better, or can we? 1205 // clip width, we can't do better, or can we?
1118 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1206 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1119 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1207 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1120#endif 1208#endif
1121 1209
1122 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1210 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1123 FcPatternAddBool (p, FC_MINSPACE, 1); 1211 FcPatternAddBool (p, FC_MINSPACE, 1);
1124 1212
… …
1136 int ftheight = 0; 1224 int ftheight = 0;
1137 bool success = true; 1225 bool success = true;
1138 1226
1139 for (;;) 1227 for (;;)
1140 { 1228 {
1229 p = FcPatternDuplicate (match);
1141 f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); 1230 f = XftFontOpenPattern (disp, p);
1142 1231
1143 if (!f) 1232 if (!f)
1144 { 1233 {
1234 FcPatternDestroy (p);
1145 success = false; 1235 success = false;
1146 break; 1236 break;
1147 } 1237 }
1148 1238
1149 FT_Face face = XftLockFace (f); 1239 FT_Face face = XftLockFace (f);
… …
1157 1247
1158 XftUnlockFace (f); 1248 XftUnlockFace (f);
1159 1249
1160 int glheight = height; 1250 int glheight = height;
1161 1251
1162 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1252 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1163 { 1253 {
1164 FcChar16 ch = *t; 1254 FcChar16 ch = *t;
1165 1255
1166 if (cs != CS_UNICODE 1256 if (cs != CS_UNICODE
1167 && ch > 0x100 1257 && ch > 0x100
… …
1176 XGlyphInfo g; 1266 XGlyphInfo g;
1177 XftTextExtents16 (disp, f, &ch, 1, &g); 1267 XftTextExtents16 (disp, f, &ch, 1, &g);
1178 1268
1179 g.width -= g.x; 1269 g.width -= g.x;
1180 1270
1181 int wcw = wcwidth (ch); 1271 int wcw = WCWIDTH (ch);
1182 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 1272 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1183 1273
1184 if (width < g.width ) width = g.width; 1274 if (width < g.width ) width = g.width;
1185 if (height < g.height ) height = g.height; 1275 if (height < g.height ) height = g.height;
1186 if (glheight < g.height - g.y) glheight = g.height - g.y; 1276 if (glheight < g.height - g.y) glheight = g.height - g.y;
… …
1236bool 1326bool
1237rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const 1327rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1238{ 1328{
1239 careful = false; 1329 careful = false;
1240 1330
1241 if (!XftCharExists (term->display->display, f, unicode)) 1331 if (!XftCharExists (term->dpy, f, unicode))
1242 return false; 1332 return false;
1243 1333
1244 if (!prop || prop->width == rxvt_fontprop::unset) 1334 if (!prop || prop->width == rxvt_fontprop::unset)
1245 return true; 1335 return true;
1246 1336
1247 // check character against base font bounding box 1337 // check character against base font bounding box
1248 FcChar32 ch = unicode; 1338 FcChar32 ch = unicode;
1249 XGlyphInfo g; 1339 XGlyphInfo g;
1250 XftTextExtents32 (term->display->display, f, &ch, 1, &g); 1340 XftTextExtents32 (term->dpy, f, &ch, 1, &g);
1251 1341
1252 int w = g.width - g.x; 1342 int w = g.width - g.x;
1253 int wcw = wcwidth (unicode); 1343 int wcw = max (WCWIDTH (unicode), 1);
1254 if (wcw > 0) w = (w + wcw - 1) / wcw;
1255 1344
1256 careful = w > prop->width; 1345 careful = g.x > 0 || w > prop->width * wcw;
1257 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1346
1347 if (careful && !OVERLAP_OK (w, wcw, prop))
1348 return false;
1349
1350 // this weeds out _totally_ broken fonts, or glyphs
1351 if (!OVERLAP_OK (g.xOff, wcw, prop))
1258 return false; 1352 return false;
1259 1353
1260 return true; 1354 return true;
1261} 1355}
1262 1356
1263void 1357void
1264rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1358rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1265 const text_t *text, int len, 1359 const text_t *text, int len,
1266 int fg, int bg) 1360 int fg, int bg)
1267{ 1361{
1268 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
1269
1270 XGlyphInfo extents; 1362 XGlyphInfo extents;
1271 XftGlyphSpec *enc = (XftGlyphSpec *)rxvt_temp_buf (len * sizeof (XftGlyphSpec)); 1363 XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
1272 XftGlyphSpec *ep = enc; 1364 XftGlyphSpec *ep = enc;
1273 1365
1274 dTermDisplay; 1366 dTermDisplay;
1275 dTermGC; 1367 dTermGC;
1368
1369 int w = term->fwidth * len;
1370 int h = term->fheight;
1371
1372 bool buffered = bg >= Color_transparent
1373 && term->option (Opt_buffered);
1276 1374
1277 // cut trailing spaces 1375 // cut trailing spaces
1278 while (len && text [len - 1] == ' ') 1376 while (len && text [len - 1] == ' ')
1279 len--; 1377 len--;
1280 1378
1379 int x_ = buffered ? 0 : x;
1380 int y_ = buffered ? 0 : y;
1381
1281 while (len) 1382 while (len)
1282 { 1383 {
1283 int cwidth = term->fwidth; 1384 int cwidth = term->fwidth;
1284 FcChar32 fc = *text++; len--; 1385 FcChar32 fc = *text++; len--;
1285 1386
1286 while (len && *text == NOCHAR) 1387 while (len && *text == NOCHAR)
1287 text++, len--, cwidth += term->fwidth; 1388 text++, len--, cwidth += term->fwidth;
1288 1389
1289 if (fc != ' ') // skip spaces 1390 if (fc != ' ') // skip spaces
1290 { 1391 {
1291 FT_UInt glyph = XftCharIndex (disp, f, fc); 1392 FT_UInt glyph = XftCharIndex (disp, f, fc);
1292 XftGlyphExtents (disp, f, &glyph, 1, &extents); 1393 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1293 1394
1294 ep->glyph = glyph; 1395 ep->glyph = glyph;
1295 ep->x = x + (cwidth - extents.xOff >> 1); 1396 ep->x = x_ + (cwidth - extents.xOff >> 1);
1296 ep->y = y + ascent; 1397 ep->y = y_ + ascent;
1398
1399 if (extents.xOff == 0)
1400 ep->x = x_ + cwidth;
1401
1297 ep++; 1402 ep++;
1298 } 1403 }
1299 1404
1300 x += cwidth; 1405 x_ += cwidth;
1406 }
1407
1408 if (buffered)
1301 } 1409 {
1302
1303 if (ep != enc) 1410 if (ep != enc)
1411 {
1412 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1413
1414#ifdef HAVE_BG_PIXMAP
1415 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1416
1417 if (term->bg_img
1418 && (bg == Color_transparent || bg == Color_bg
1419 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1420 {
1421 int src_x = x, src_y = y;
1422
1423 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1424 {
1425 src_x += term->window_vt_x;
1426 src_y += term->window_vt_y;
1427 }
1428
1429 if (term->bg_img->w >= src_x + w
1430 && term->bg_img->h >= src_y + h)
1431 {
1432 XCopyArea (disp, term->bg_img->pm, d2, gc,
1433 src_x, src_y, w, h, 0, 0);
1434 }
1435 else
1436 {
1437 XGCValues gcv;
1438
1439 gcv.fill_style = FillTiled;
1440 gcv.tile = term->bg_img->pm;
1441 gcv.ts_x_origin = -src_x;
1442 gcv.ts_y_origin = -src_y;
1443
1444 XChangeGC (disp, gc,
1445 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1446 &gcv);
1447
1448 XFillRectangle (disp, d2, gc, 0, 0, w, h);
1449
1450 gcv.fill_style = FillSolid;
1451 XChangeGC (disp, gc, GCFillStyle, &gcv);
1452 }
1453
1454 if (dst)
1455 {
1456 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1457
1458 // dst can only be set when bg >= 0
1459 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1460 }
1461 }
1462 else
1463#endif
1464 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1465
1466 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1467 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1468 }
1469 else
1470 clear_rect (d, x, y, w, h, bg);
1471 }
1472 else
1473 {
1474 clear_rect (d, x, y, w, h, bg);
1304 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc); 1475 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1476 }
1305} 1477}
1478
1306#endif 1479#endif
1307 1480
1308///////////////////////////////////////////////////////////////////////////// 1481/////////////////////////////////////////////////////////////////////////////
1309 1482
1310rxvt_fontset::rxvt_fontset (rxvt_term *term) 1483rxvt_fontset::rxvt_fontset (rxvt_term *term)
… …
1321void 1494void
1322rxvt_fontset::clear () 1495rxvt_fontset::clear ()
1323{ 1496{
1324 prop.width = prop.height = prop.ascent = prop.weight = prop.slant 1497 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1325 = rxvt_fontprop::unset; 1498 = rxvt_fontprop::unset;
1499 force_prop = false;
1326 1500
1327 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1501 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1328 FONT_UNREF (*i); 1502 (*i)->unref ();
1329 1503
1330 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1504 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1331 delete *p; 1505 delete *p;
1332 1506
1333 free (fontdesc); fontdesc = 0; 1507 free (fontdesc); fontdesc = 0;
… …
1335 fonts.clear (); 1509 fonts.clear ();
1336 1510
1337 fallback = fallback_fonts; 1511 fallback = fallback_fonts;
1338} 1512}
1339 1513
1514void
1515rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1516{
1517 font->set_term (term);
1518
1519 font->cs = cs;
1520 font->loaded = false;
1521}
1522
1340rxvt_font * 1523rxvt_font *
1341rxvt_fontset::new_font (const char *name, codeset cs) 1524rxvt_fontset::new_font (const char *name, codeset cs)
1342{ 1525{
1343 rxvt_font *f; 1526 rxvt_font *f;
1344 1527
1345 if (!name || !*name) 1528 if (!name || !*name)
1346 { 1529 {
1347 name = ""; 1530 name = "";
1348 f = new rxvt_font_default (this); 1531 f = new rxvt_font_default (this);
1349 } 1532 }
… …
1360 f = new rxvt_font_x11; 1543 f = new rxvt_font_x11;
1361 } 1544 }
1362 else 1545 else
1363 f = new rxvt_font_x11; 1546 f = new rxvt_font_x11;
1364 1547
1365 f->set_term (term);
1366 f->set_name (strdup (name)); 1548 f->set_name (strdup (name));
1367 1549 prepare_font (f, cs);
1368 f->cs = cs;
1369 f->loaded = false;
1370 1550
1371 return f; 1551 return f;
1372} 1552}
1373 1553
1374///////////////////////////////////////////////////////////////////////////// 1554/////////////////////////////////////////////////////////////////////////////
1555
1556void
1557rxvt_fontset::push_font (rxvt_font *font)
1558{
1559 // the fontCount index is reserved for the overflow font, it is only
1560 // necessary when we get fontCount or more fonts, as they cannot be
1561 // represented in the rendition.
1562 if (fonts.size () == fontCount)
1563 {
1564 rxvt_font *f = new rxvt_font_overflow (this);
1565
1566 prepare_font (f, CS_UNICODE);
1567 fonts.push_back (f);
1568 }
1569
1570 fonts.push_back (font);
1571}
1375 1572
1376void 1573void
1377rxvt_fontset::add_fonts (const char *desc) 1574rxvt_fontset::add_fonts (const char *desc)
1378{ 1575{
1379 if (desc) 1576 if (desc)
… …
1417 if (!end) 1614 if (!end)
1418 end = desc + strlen (desc); 1615 end = desc + strlen (desc);
1419 1616
1420 if (end - desc < 511) 1617 if (end - desc < 511)
1421 { 1618 {
1422 strncpy (buf, desc, end - desc); 1619 memcpy (buf, desc, end - desc);
1423 buf[end - desc] = 0; 1620 buf[end - desc] = 0;
1424 1621
1425 fonts.push_back (new_font (buf, cs)); 1622 push_font (new_font (buf, cs));
1426 } 1623 }
1427 else 1624 else
1428 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1625 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1429 1626
1430 desc = end + 1; 1627 desc = end + 1;
1431 } 1628 }
1432 while (*end); 1629 while (*end);
1433 } 1630 }
… …
1442 if (fonts[i]->loaded) 1639 if (fonts[i]->loaded)
1443 return true; 1640 return true;
1444 1641
1445 fonts[i]->loaded = true; 1642 fonts[i]->loaded = true;
1446 1643
1447 if (!fonts[i]->load (prop)) 1644 if (!fonts[i]->load (prop, force_prop))
1448 { 1645 {
1449 fonts[i]->cs = CS_UNKNOWN; 1646 fonts[i]->cs = CS_UNKNOWN;
1450 return false; 1647 return false;
1451 } 1648 }
1452 1649
… …
1458{ 1655{
1459 clear (); 1656 clear ();
1460 1657
1461 fontdesc = strdup (desc); 1658 fontdesc = strdup (desc);
1462 1659
1463 fonts.push_back (new_font (0, CS_UNICODE)); 1660 push_font (new_font (0, CS_UNICODE));
1464 realize_font (0); 1661 realize_font (0);
1465 1662
1466 add_fonts (desc); 1663 add_fonts (desc);
1467 1664
1468 return true; 1665 return true;
… …
1477 1674
1478 return -1; 1675 return -1;
1479} 1676}
1480 1677
1481int 1678int
1482rxvt_fontset::find_font (unicode_t unicode) 1679rxvt_fontset::find_font_idx (unicode_t unicode)
1483{ 1680{
1484 if (unicode >= 1<<20) 1681 if (unicode >= 1<<20)
1485 return 0; 1682 return 0;
1486 1683
1487 unicode_t hi = unicode >> 8; 1684 unicode_t hi = unicode >> 8;
… …
1513 goto next_font; 1710 goto next_font;
1514 1711
1515 bool careful; 1712 bool careful;
1516 if (f->has_char (unicode, &prop, careful)) 1713 if (f->has_char (unicode, &prop, careful))
1517 { 1714 {
1518 if (careful) 1715 i = (i << 1) | careful;
1519 i |= 128;
1520 1716
1521 goto found; 1717 goto found;
1522 } 1718 }
1523 1719
1524 next_font: 1720 next_font:
1525 if (i == fonts.size () - 1) 1721 if (i == fonts.size () - 1)
1526 { 1722 {
1527 if (fallback->name) 1723 if (fallback->name)
1528 { 1724 {
1529 // search through the fallback list 1725 // search through the fallback list
1530 fonts.push_back (new_font (fallback->name, fallback->cs)); 1726 push_font (new_font (fallback->name, fallback->cs));
1531 fallback++; 1727 fallback++;
1532 } 1728 }
1533 else 1729 else
1534 { 1730 {
1535 // try to find a new font. 1731 // try to find a new font.
… …
1553 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1749 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1554 FcPatternAddBool (p, FC_MINSPACE, 1); 1750 FcPatternAddBool (p, FC_MINSPACE, 1);
1555 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1751 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1556 1752
1557 XftResult result; 1753 XftResult result;
1558 FcPattern *match = XftFontMatch (term->display->display, term->display->screen, p, &result); 1754 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1559 1755
1560 FcPatternDestroy (p); 1756 FcPatternDestroy (p);
1561 1757
1562 if (match) 1758 if (match)
1563 { 1759 {
… …
1566 FcPatternDestroy (match); 1762 FcPatternDestroy (match);
1567 1763
1568 if (find_font (font) < 0) 1764 if (find_font (font) < 0)
1569 { 1765 {
1570 char fontname[4096]; 1766 char fontname[4096];
1571 sprintf (fontname, "xft:%-.4090s", font); 1767 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1572 1768
1573 fonts.push_back (new_font (fontname, CS_UNICODE)); 1769 push_font (new_font (fontname, CS_UNICODE));
1574 } 1770 }
1575 1771
1576 free (font); 1772 free (font);
1577 } 1773 }
1578#endif 1774#endif
… …
1590 while (hi >= fmap.size ()) 1786 while (hi >= fmap.size ())
1591 fmap.push_back (0); 1787 fmap.push_back (0);
1592 1788
1593 if (!fmap[hi]) 1789 if (!fmap[hi])
1594 { 1790 {
1595 fmap[hi] = (pagemap *)new pagemap; 1791 fmap[hi] = new pagemap;
1596 memset (fmap[hi], 0xff, sizeof (pagemap)); 1792 memset (fmap[hi], 0xff, sizeof (pagemap));
1597 } 1793 }
1598 1794
1599 (*fmap[hi])[unicode & 0xff] = i; 1795 (*fmap[hi])[unicode & 0xff] = i;
1600 } 1796 }
1601 1797
1602 return i; 1798 return i;
1603} 1799}
1604 1800
1605
1606

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