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Comparing rxvt-unicode/src/defaultfont.C (file contents):
Revision 1.10 by pcg, Wed Dec 24 09:07:01 2003 UTC vs.
Revision 1.45 by pcg, Tue Mar 16 05:51:36 2004 UTC

1/*--------------------------------*-C-*---------------------------------*; 1/*--------------------------------*-C-*---------------------------------*;
2 * File: defaultfont.C 2 * File: defaultfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003 Marc Lehmann rxvt@plan9.de> 4 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
5 * - original version. 5 * - original version.
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
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 2 of the License, or
23#include "rxvt.h" 23#include "rxvt.h"
24#include "defaultfont.h" 24#include "defaultfont.h"
25 25
26#include <cstdlib> 26#include <cstdlib>
27 27
28#define DISPLAY r->Xdisplay 28#define DISPLAY r->display->display
29#define DRAWABLE r->TermWin.vt
30#define GC r->TermWin.gc 29#define TGC r->TermWin.gc
31 30
32const struct rxvt_fallback_font { 31const struct rxvt_fallback_font {
33 codeset cs; 32 codeset cs;
34 const char *name; 33 const char *name;
35} fallback_fonts[] = { 34} fallback_fonts[] = {
62# if XFT 61# if XFT
63 // prefer xft for complex scripts 62 // prefer xft for complex scripts
64 { CS_UNICODE, "xft:Kochi Gothic:antialias=false" }, 63 { CS_UNICODE, "xft:Kochi Gothic:antialias=false" },
65# endif 64# endif
66 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 65 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
67 { CS_JIS0208_1983_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 66 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
68 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 67 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
69#endif 68#endif
70 69
71#if ENCODING_CN || ENCODING_CN_EXT 70#if ENCODING_CN || ENCODING_CN_EXT
72# if XFT 71# if XFT
73 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 72 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
74 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 73 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
75 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 74 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
76 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 75 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
77# endif 76# endif
77 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
78 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
79 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
80 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
78 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-1" }, 81 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
79 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-2" }, 82 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
80 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-3" }, 83 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
81 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-4" }, 84 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
82 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-5" }, 85 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-5" },
83 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-6" }, 86 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
84 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-7" }, 87 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
85 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-f" }, 88 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
86#endif 89#endif
87 90
88#if XFT 91#if XFT
89 { CS_UNICODE, "xft:Andale Mono" }, 92 { CS_UNICODE, "xft:Andale Mono" },
90 { CS_UNICODE, "xft:Arial Unicode MS" }, 93 { CS_UNICODE, "xft:Arial Unicode MS" },
93 { CS_UNICODE, "xft:FreeMono" }, 96 { CS_UNICODE, "xft:FreeMono" },
94 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, 97 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
95 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" }, 98 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
96 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 99 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
97 100
101#if UNICODE_3 && XFT
102 { CS_UNICODE, "xft:Code2001" }, // contains many plane-1 characters
103#endif
104
98 { CS_UNKNOWN, 0 } 105 { CS_UNKNOWN, 0 }
99}; 106};
100 107
101///////////////////////////////////////////////////////////////////////////// 108/////////////////////////////////////////////////////////////////////////////
102 109
110#if XFT
111rxvt_drawable::~rxvt_drawable ()
112{
113 if (xftdrawable)
114 XftDrawDestroy (xftdrawable);
115}
116
117rxvt_drawable::operator XftDraw *()
118{
119 if (!xftdrawable)
120 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
121
122 return xftdrawable;
123}
124#endif
125
126/////////////////////////////////////////////////////////////////////////////
127
103static void *enc_buf; 128static void *enc_buf;
104static uint32_t enc_len; 129static uint32_t enc_len;
105 130
106static inline void * 131static inline void *
107get_enc_buf (int len) 132get_enc_buf (uint32_t len)
108{ 133{
109 if (len > enc_len) 134 if (len > enc_len)
110 { 135 {
111 free (enc_buf); 136 free (enc_buf);
112 enc_buf = malloc (len); 137 enc_buf = malloc (len);
114 139
115 return enc_buf; 140 return enc_buf;
116} 141}
117 142
118static const char * 143static const char *
119enc_char (const text_t *text, int len, codeset cs, bool &zero) 144enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
120{ 145{
121 uint8_t *buf = (uint8_t *)get_enc_buf (len); 146 uint8_t *buf = (uint8_t *)get_enc_buf (len);
122 147
123 while (len--) 148 while (len--)
124 { 149 {
135 160
136 return (const char *)enc_buf; 161 return (const char *)enc_buf;
137} 162}
138 163
139static const XChar2b * 164static const XChar2b *
140enc_xchar2b (const text_t *text, int len, codeset cs, bool &zero) 165enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
141{ 166{
142 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 167 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b));
143 168
144 while (len--) 169 while (len--)
145 { 170 {
160} 185}
161 186
162///////////////////////////////////////////////////////////////////////////// 187/////////////////////////////////////////////////////////////////////////////
163 188
164void 189void
165rxvt_font::clear_rect (int x, int y, int w, int h, int color) 190rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color)
166{ 191{
167 if (color == Color_bg) 192 if (color == Color_bg)
168 XClearArea (DISPLAY, DRAWABLE, x, y, w, h, FALSE); 193 XClearArea (d.display->display, d, x, y, w, h, FALSE);
169 else if (color >= 0) 194 else if (color >= 0)
170 { 195 {
196#if XFT
197 XftDrawRect (d, &r->PixColors[color].c, x, y, w, h);
198#else
171 XSetForeground (DISPLAY, GC, r->PixColors[color]); 199 XSetForeground (d.display->display, TGC, r->PixColors[color]);
172 XFillRectangle (DISPLAY, DRAWABLE, GC, x, y, w, h); 200 XFillRectangle (d.display->display, d, TGC, x, y, w, h);
201#endif
173 } 202 }
174} 203}
175 204
176static const char *linedraw_cmds[128] = { 205#include "table/linedraw.h"
177 "1hH", "2hH", "1vV", "2vV",
178 0, 0, 0, 0,
179 0, 0, 0, 0,
180 "1HV", "2H1V", "1H2V", "2HV",
181
182 // 2510
183 "1hV", "2h1V", "1h2V", "2hV",
184 "1Hv", "2H1v", "1H2v", "2Hv",
185 "1hv", "2h1v", "1h2v", "2hv",
186 "1HvV", "2H1vV", "1HV2v", "1Hv2V",
187
188 // 2520
189 "1H2vV", "2Hv1V", "2HV1v", "2HvV",
190 "1hvV", "2h1vV", "1hV2v", "1hv2V",
191 "1h2vV", "2hv1V", "1v2hV", "2hvV",
192 "1hHV", "2h1HV", "2H1hV", "2hH1V",
193
194 // 2530
195 "1hH2V", "2hV1H", "1h2HV", "2hHV",
196 "1hHv", "1vH2h", "1hv2H", "1v2hH",
197 "1hH2v", "1H2hv", "1h2Hv", "2hHv",
198 "1hHvV", "1vVH2h", "1hvV2H", "1vV2hH",
199
200 // 2540
201 "1hHV2v", "1hHv2V", "1hH2vV", "1HV2hv",
202 "1hV2Hv", "1Hv2hV", "1hv2HV", "1V2hHv",
203 "1v2hHV", "1H2hvV", "1h2HvV", "2hHvV",
204 0, 0, 0, 0,
205
206 // 2550
207 0, 0, 0, 0,
208 0, 0, 0, 0,
209 0, 0, 0, 0,
210 0, 0, 0, 0,
211
212 // 2560
213 0, 0, 0, 0,
214 0, 0, 0, 0,
215 0, 0, 0, 0,
216 0, 0, 0, 0,
217
218 // 2570
219 0, "1a", "1b", "1ab",
220 "1h", "1v", "1H", "1V",
221 "2h", "2v", "2H", "2V",
222 "1h2H", "1v2V", "1H2h", "1V2v"
223
224 // to be done
225};
226 206
227struct rxvt_font_default : rxvt_font { 207struct rxvt_font_default : rxvt_font {
208
228 rxvt_fontprop properties () 209 rxvt_fontprop properties ()
229 { 210 {
230 rxvt_fontprop p; 211 rxvt_fontprop p;
231 212
232 p.width = p.height = 1; 213 p.width = p.height = 1;
239 bool load (const rxvt_fontprop &prop) 220 bool load (const rxvt_fontprop &prop)
240 { 221 {
241 width = 1; height = 1; 222 width = 1; height = 1;
242 ascent = 1; descent = 0; 223 ascent = 1; descent = 0;
243 224
225 set_name (strdup ("built-in pseudofont"));
226
244 return true; 227 return true;
245 } 228 }
246 229
247 bool has_codepoint (uint32_t unicode) 230 bool has_codepoint (unicode_t unicode)
248 { 231 {
249 if (unicode <= 0x001f) 232 if (unicode <= 0x001f)
250 return true; 233 return true;
234
251 if (unicode >= 0x0080 && unicode <= 0x009f) 235 if (unicode >= 0x0080 && unicode <= 0x009f)
252 return true; 236 return true;
253 237
254 if (unicode >= 0x2500 && unicode <= 0x257f 238 if (unicode >= 0x2500 && unicode <= 0x259f
255 && linedraw_cmds[unicode - 0x2500]) 239 && linedraw_offs[unicode - 0x2500] & 15)
240 return true;
241
242 if (IS_COMPOSE (unicode))
256 return true; 243 return true;
257 244
258 switch (unicode) 245 switch (unicode)
259 { 246 {
260 case ZERO_WIDTH_CHAR: 247 case ZERO_WIDTH_CHAR:
262 } 249 }
263 250
264 return false; 251 return false;
265 } 252 }
266 253
267 void draw (int x, int y, 254 void draw (rxvt_drawable &d, int x, int y,
268 const text_t *text, int len, 255 const text_t *text, int len,
269 int fg, int bg); 256 int fg, int bg);
270}; 257};
271 258
272void 259void
273rxvt_font_default::draw (int x, int y, 260rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
274 const text_t *text, int len, 261 const text_t *text, int len,
275 int fg, int bg) 262 int fg, int bg)
276{ 263{
264return;
277 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 265 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
278 266
279 XSetForeground (DISPLAY, GC, r->PixColors[fg]); 267 XSetForeground (d.display->display, TGC, r->PixColors[fg]);
280 268
281 while (len--) 269 while (len--)
282 { 270 {
271#if ENABLE_COMBINING
272 compose_char *cc;
273#endif
283 text_t t = *text++; 274 text_t t = *text++;
284 275
285 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500]) 276 int W = r->TermWin.fwidth , w = (W - 1) / 2;
286 { 277 int H = r->TermWin.fheight, h = (H - 1) / 2;
287 const char *p = linedraw_cmds[t - 0x2500]; 278 int x0 = x, x1 = x + w, x2 = x + r->TermWin.fwidth ;
288
289 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth ;
290 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight; 279 int y0 = y, y1 = y + h, y2 = y + r->TermWin.fheight;
280
281 if (0x2500 <= t && t <= 0x259f
282 && linedraw_offs[t - 0x2500] & 15)
283 {
284 uint16_t offs = linedraw_offs[t - 0x2500];
285 uint32_t *a = linedraw_command + (offs >> 4);
286 uint32_t *b = a + (offs & 15);
287
288 int x_[16];
289 int y_[16];
290
291 for (int i = 0; i <= 8; i++)
292 {
293 x_[i] = x + ((W-1) * i + (i*7/8)) / 8;
294 y_[i] = y + ((H-1) * i + (i*7/8)) / 8;
295 }
296
297 x_[10] = x + (W - 1) / 2; x_[9] = x_[10] - 1; x_[11] = x_[10] + 1;
298 y_[10] = y + (H - 1) / 2; y_[9] = y_[10] - 1; y_[11] = y_[10] + 1;
291 299
292 XGCValues gcv; 300 XGCValues gcv;
293 301
302 gcv.cap_style = CapButt;
303 gcv.line_width = 0;
304 XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv);
305
294 while (*p) 306 while (a < b)
295 { 307 {
308 uint32_t command = *a++;
309
310 int op = (command >> 24) & 255;
311 int a = (command >> 20) & 15;
312 int b = (command >> 16) & 15;
313 int x1 = x_[(command >> 12) & 15];
314 int y1 = y_[(command >> 8) & 15];
315 int x2 = x_[(command >> 4) & 15];
316 int y2 = y_[(command >> 0) & 15];
317
296 switch (*p++) 318 switch (op)
297 { 319 {
298 case '1': 320 case 0: // line
299 gcv.line_width = 0; 321 XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2);
300 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv);
301 break; 322 break;
302 323
303 case '2': 324 case 1: // rectangle, possibly stippled
325 if (a)
326 {
327 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
328
329 gcv.fill_style = FillStippled;
330 gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2);
331 gcv.ts_x_origin = x;
332 gcv.ts_y_origin = y;
333
334 XChangeGC (d.display->display, TGC,
335 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
336 &gcv);
337 }
338
339
340 XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
341
342 if (a)
343 {
344 XFreePixmap (d.display->display, gcv.stipple);
304 gcv.line_width = 2; 345 gcv.stipple = 0;
305 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 346 gcv.fill_style = FillSolid;
347 XChangeGC (d.display->display, TGC, GCFillStyle, &gcv);
348 }
349
306 break; 350 break;
307 351 case 2: // arc
308 case 'h': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y1, x1, y1); break; 352 XDrawArc (d.display->display, d, TGC,
309 case 'H': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x2, y1); break; 353 x1 - W/2, y1 - H/2, W-1, H-1,
310 case 'v': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y0, x1, y1); break; 354 (a - 1) * 90*64, (b - 1) * 90*64);
311 case 'V': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x1, y2); break; 355 break;
312 case 'a': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y2, x2, y0); break;
313 case 'b': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y0, x2, y2); break;
314 } 356 }
315 } 357 }
316 358 }
317 gcv.line_width = 0; 359#if ENABLE_COMBINING
318 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 360 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
319 } 361 {
362 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];
363 f1->draw (d, x, y, &(t = cc->c1), 1, fg, bg);
364 if (cc->c2 != NOCHAR)
365 {
366 // prefer font of first character, for no good reasons
367 rxvt_font *f2 = f1->has_codepoint (cc->c2)
368 ? f1
369 : (*fs)[fs->find_font (cc->c2)];
370
371 f2->draw (d, x, y, &(t = cc->c2), 1, fg, -1);
372 }
373 }
374#endif
320 else 375 else
321 switch (*text++) 376 switch (t)
322 { 377 {
323 case NOCHAR:
324 case ZERO_WIDTH_CHAR: 378 case ZERO_WIDTH_CHAR:
325 break; 379 break;
380
326 default: 381 default:
327 XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5); 382 int w = 0;
383 while (len > 0 && *text == NOCHAR)
384 {
385 ++text;
386 --len;
387 w += r->TermWin.fwidth;
388 }
389
390 XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2,
391 w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4);
392 x += w;
328 } 393 }
329 394
330 x += r->TermWin.fwidth; 395 x += r->TermWin.fwidth;
331 } 396 }
332} 397}
337 rxvt_font_x11 () { f = 0; } 402 rxvt_font_x11 () { f = 0; }
338 403
339 void clear (); 404 void clear ();
340 405
341 rxvt_fontprop properties (); 406 rxvt_fontprop properties ();
342 rxvt_fontprop properties (XFontStruct *f);
343 407
344 bool load (const rxvt_fontprop &prop); 408 bool load (const rxvt_fontprop &prop);
345 409
346 bool has_codepoint (uint32_t unicode); 410 bool has_codepoint (unicode_t unicode);
347 411
348 void draw (int x, int y, 412 void draw (rxvt_drawable &d, int x, int y,
349 const text_t *text, int len, 413 const text_t *text, int len,
350 int fg, int bg); 414 int fg, int bg);
351 415
352 XFontStruct *f; 416 XFontStruct *f;
353 codeset cs; 417 codeset cs;
354 bool enc2b, encm; 418 bool enc2b, encm;
355 419
356 const char *get_property (XFontStruct *f, const char *property, const char *repl) const; 420 const char *get_property (XFontStruct *f, const char *property, const char *repl) const;
421 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
422 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
423 bool set_properties (rxvt_fontprop &p, const char *name);
357}; 424};
358 425
359const char * 426const char *
360rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 427rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const
361{ 428{
368} 435}
369 436
370rxvt_fontprop 437rxvt_fontprop
371rxvt_font_x11::properties () 438rxvt_font_x11::properties ()
372{ 439{
373 return properties (f);
374}
375
376rxvt_fontprop
377rxvt_font_x11::properties (XFontStruct *f)
378{
379 rxvt_fontprop p; 440 rxvt_fontprop p;
441 set_properties (p, f);
442 return p;
443}
380 444
445bool
446rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
447{
448 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
449 p.height = height;
450 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
451 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
452
453 return true;
454}
455
456bool
457rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
458{
381 const char *weight = get_property (f, "WEIGHT_NAME", "medium"); 459 const char *weight = get_property (f, "WEIGHT_NAME", "medium");
382 const char *slant = get_property (f, "SLANT", "r"); 460 const char *slant = get_property (f, "SLANT", "r");
383 461
462 unsigned long height;
463 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
464 return false;
465
384 unsigned long avgwidth; 466 unsigned long avgwidth;
385 p.width = XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth) 467 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
386 ? avgwidth / 10 468 avgwidth = 0;
387 : (height + 1) / 2;
388 p.height = height;
389 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
390 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
391 469
392 return p; 470 return set_properties (p, height, weight, slant, avgwidth);
471}
472
473bool
474rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
475{
476 int slashes = 0;
477 const char *comp[13];
478
479 for (const char *c = name; *c; c++)
480 if (*c == '-')
481 {
482 comp[slashes++] = c + 1;
483 if (slashes >= 13)
484 break;
485 }
486
487 /* can we short-circuit the costly XLoadQueryFont? */
488 if (slashes >= 13
489 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
490 && (*comp[11] >= '0' && *comp[11] <= '9'))
491 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
492
493 XFontStruct *f = XLoadQueryFont (DISPLAY, name);
494
495 if (f)
496 {
497 // the font should really exist now. if not, we have a problem
498 // (e.g. if the user did xset fp rehash just when we were searching fonts).
499 // in that case, just return garbage.
500 bool ret = set_properties (p, f);
501 XFreeFont (DISPLAY, f);
502 return ret;
503 }
504 else
505 return false;
506}
507
508// fix the size of scalable fonts
509static void
510fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)
511{
512 int slashes = 0;
513 const char *size;
514
515 for (const char *c = name; *c; c++)
516 if (*c == '-')
517 {
518 if (slashes == 6)
519 size = c + 1;
520
521 if (++slashes >= 13)
522 break;
523 }
524
525 if (slashes >= 13 && size[0] == '0')
526 {
527 strncpy (buf, name, size - name);
528 buf += size - name;
529 buf += sprintf (buf, "%d", prop.height);
530 strcpy (buf, size + 1);
531 }
532 else
533 strcpy (buf, name);
393} 534}
394 535
395bool 536bool
396rxvt_font_x11::load (const rxvt_fontprop &prop) 537rxvt_font_x11::load (const rxvt_fontprop &prop)
397{ 538{
398 clear (); 539 clear ();
399 540
400 char **list; 541 char **list;
401 int count; 542 int count;
402 XFontStruct *info;
403 list = XListFontsWithInfo (DISPLAY, name, 128, &count, &info); 543 list = XListFonts (DISPLAY, name, 512, &count);
544 set_name (0);
404 545
405 if (!list) 546 if (!list)
406 return false; 547 return false;
407 548
408 int bestdiff = 0x7fffffff; 549 int bestdiff = 0x7fffffff;
409 XFontStruct *best = 0;
410 for (int i = 0; i < count; i++) 550 for (int i = 0; i < count; i++)
411 { 551 {
412 XFontStruct *f = info + i; 552 rxvt_fontprop p;
553 char fname[1024];
554 fix_scalable (fname, list[i], prop);
413 555
556 if (!set_properties (p, fname))
557 continue;
558
414 if (f->ascent + f->descent <= prop.height) // weed out too large fonts 559 if (p.height > prop.height) // weed out too large fonts
415 { 560 continue;
416 rxvt_fontprop p = properties (f); 561
417 int diff = (prop.height - f->ascent + f->descent) * 32 562 int diff = (prop.height - p.height) * 32
418 + abs (prop.weight - p.weight) 563 + abs (prop.weight - p.weight)
419 + abs (prop.slant - p.slant ); 564 + abs (prop.slant - p.slant );
420 565
421 if (!best // compare against best found so far 566 if (!name // compare against best found so far
422 || diff < bestdiff) 567 || diff < bestdiff)
423 { 568 {
424 best = f; 569 set_name (strdup (fname));
425 bestdiff = diff; 570 bestdiff = diff;
426 } 571 }
427 }
428 } 572 }
429 573
574 XFreeFontNames (list);
575
430 if (!best) 576 if (!name)
431 return false; 577 return false;
432
433 set_name (strdup (list[best - info]));
434
435 XFreeFontInfo (list, info, count);
436 578
437 f = XLoadQueryFont (DISPLAY, name); 579 f = XLoadQueryFont (DISPLAY, name);
438 580
439 if (!f) 581 if (!f)
440 return false; 582 return false;
441
442 unsigned long value;
443 583
444 const char *registry = get_property (f, "CHARSET_REGISTRY", 0); 584 const char *registry = get_property (f, "CHARSET_REGISTRY", 0);
445 const char *encoding = get_property (f, "CHARSET_ENCODING", 0); 585 const char *encoding = get_property (f, "CHARSET_ENCODING", 0);
446 586
447 if (registry && encoding) 587 if (registry && encoding)
522 f = 0; 662 f = 0;
523 } 663 }
524} 664}
525 665
526bool 666bool
527rxvt_font_x11::has_codepoint (uint32_t unicode) 667rxvt_font_x11::has_codepoint (unicode_t unicode)
528{ 668{
529 uint32_t ch = FROM_UNICODE (cs, unicode); 669 uint32_t ch = FROM_UNICODE (cs, unicode);
530 670
531 if (ch == NOCHAR) 671 if (ch == NOCHAR)
532 return false; 672 return false;
534 /* check wether the character exists in _this_ font. horrible. */ 674 /* check wether the character exists in _this_ font. horrible. */
535 XCharStruct *xcs; 675 XCharStruct *xcs;
536 676
537 if (encm) 677 if (encm)
538 { 678 {
539 int byte1 = ch >> 8; 679 unsigned char byte1 = ch >> 8;
540 int byte2 = ch & 255; 680 unsigned char byte2 = ch & 255;
541 681
542 if (byte1 < f->min_byte1 || byte1 > f->max_byte1 682 if (byte1 < f->min_byte1 || byte1 > f->max_byte1
543 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) 683 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
544 return false; 684 return false;
545 685
568 708
569 return true; 709 return true;
570} 710}
571 711
572void 712void
573rxvt_font_x11::draw (int x, int y, 713rxvt_font_x11::draw (rxvt_drawable &d, int x, int y,
574 const text_t *text, int len, 714 const text_t *text, int len,
575 int fg, int bg) 715 int fg, int bg)
576{ 716{
577 // this looks like a mess /. 717 // this looks like a mess /.
578 // and it is a mess /. 718 // and it is a mess /.
594 { 734 {
595 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 735 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
596 736
597 if (bg == Color_bg && !slow) 737 if (bg == Color_bg && !slow)
598 { 738 {
599 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 739 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v);
600 XDrawImageString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 740 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len);
601 } 741 }
602 else 742 else
603 { 743 {
604 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 744 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
605 745
606 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 746 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v);
607 747
608 if (slow) 748 if (slow)
609 { 749 {
610 do 750 do
611 { 751 {
612 if (xc->byte1 || xc->byte2) 752 if (xc->byte1 || xc->byte2)
613 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 753 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1);
614 754
615 x += r->TermWin.fwidth; 755 x += r->TermWin.fwidth;
616 xc++; len--; 756 xc++; len--;
617 } 757 }
618 while (len); 758 while (len);
619 } 759 }
620 else 760 else
621 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 761 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len);
622 } 762 }
623 } 763 }
624 else 764 else
625 { 765 {
626 const char *xc = enc_char (text, len, cs, slow); 766 const char *xc = enc_char (text, len, cs, slow);
627 767
628 if (bg == Color_bg && !slow) 768 if (bg == Color_bg && !slow)
629 { 769 {
630 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 770 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v);
631 XDrawImageString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 771 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len);
632 } 772 }
633 else 773 else
634 { 774 {
635 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 775 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
636 776
637 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 777 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v);
638 778
639 if (slow) 779 if (slow)
640 { 780 {
641 do 781 do
642 { 782 {
643 if (*xc) 783 if (*xc)
644 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 784 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1);
645 785
646 x += r->TermWin.fwidth; 786 x += r->TermWin.fwidth;
647 xc++; len--; 787 xc++; len--;
648 } 788 }
649 while (len); 789 while (len);
650 } 790 }
651 else 791 else
652 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 792 XDrawString (d.display->display, d, TGC, x, y + base, xc, len);
653 } 793 }
654 } 794 }
655} 795}
656 796
657///////////////////////////////////////////////////////////////////////////// 797/////////////////////////////////////////////////////////////////////////////
662//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables 802//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
663#define SWATHBITS 8 803#define SWATHBITS 8
664#endif 804#endif
665 805
666struct rxvt_font_xft : rxvt_font { 806struct rxvt_font_xft : rxvt_font {
667 rxvt_font_xft () { f = 0; d = 0; } 807 rxvt_font_xft () { f = 0; }
668 808
669 void clear (); 809 void clear ();
670 810
671 rxvt_fontprop properties (); 811 rxvt_fontprop properties ();
672 812
673 bool load (const rxvt_fontprop &prop); 813 bool load (const rxvt_fontprop &prop);
674 814
675 void draw (int x, int y, 815 void draw (rxvt_drawable &d, int x, int y,
676 const text_t *text, int len, 816 const text_t *text, int len,
677 int fg, int bg); 817 int fg, int bg);
678 818
679 bool has_codepoint (uint32_t unicode); 819 bool has_codepoint (unicode_t unicode);
680 820
681protected: 821protected:
682 XftFont *f; 822 XftFont *f;
683 XftDraw *d;
684}; 823};
685 824
686void 825void
687rxvt_font_xft::clear () 826rxvt_font_xft::clear ()
688{ 827{
689 if (f) 828 if (f)
690 { 829 {
691 XftFontClose (DISPLAY, f); 830 XftFontClose (DISPLAY, f);
692 f = 0; 831 f = 0;
693 }
694
695 if (d)
696 {
697 XftDrawDestroy (d);
698 d = 0;
699 } 832 }
700} 833}
701 834
702rxvt_fontprop 835rxvt_fontprop
703rxvt_font_xft::properties () 836rxvt_font_xft::properties ()
736 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 869 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
737 870
738 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 871 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
739 FcPatternAddInteger (p, FC_SLANT, prop.slant); 872 FcPatternAddInteger (p, FC_SLANT, prop.slant);
740 873
874#if 0 // clipping unfortunately destroys our precious double-width-characters
741 // clip width, we can't do better, or can we? 875 // clip width, we can't do better, or can we?
742 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 876 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
743 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width); 877 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
878#endif
744 879
745 //FcPatternAddBool (p, FC_MINSPACE, 1); 880 //FcPatternAddBool (p, FC_MINSPACE, 1);
746 881
747 XftResult result; 882 XftResult result;
748 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 883 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
802 937
803 return true; 938 return true;
804} 939}
805 940
806bool 941bool
807rxvt_font_xft::has_codepoint (uint32_t unicode) 942rxvt_font_xft::has_codepoint (unicode_t unicode)
808{ 943{
809 return XftCharExists (DISPLAY, f, unicode); 944 return XftCharExists (DISPLAY, f, unicode);
810} 945}
811 946
812void 947void
813rxvt_font_xft::draw (int x, int y, 948rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
814 const text_t *text, int len, 949 const text_t *text, int len,
815 int fg, int bg) 950 int fg, int bg)
816{ 951{
817 if (!d)
818 {
819 dR;
820 d = XftDrawCreate (DISPLAY, DRAWABLE, XVISUAL, XCMAP);
821 }
822
823 if (bg >= 0 && bg != Color_bg)
824 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);
825 else
826 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 952 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
827 953
828 if (!slow && width == r->TermWin.fwidth) 954 if (!slow && width == r->TermWin.fwidth && 0)
829 { 955 {
830 if (sizeof (text_t) == sizeof (FcChar16)) 956 if (sizeof (text_t) == sizeof (FcChar16))
831 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 957 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
832 else 958 else
833 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 959 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
836 { 962 {
837 while (len) 963 while (len)
838 { 964 {
839 if (*text != NOCHAR && *text != ' ') 965 if (*text != NOCHAR && *text != ' ')
840 { 966 {
967 int fwidth = r->TermWin.fwidth;
968 if (len >= 2 && text[1] == NOCHAR)
969 fwidth *= 2;
970
971 XGlyphInfo extents;
841 if (sizeof (text_t) == sizeof (FcChar16)) 972 if (sizeof (text_t) == sizeof (FcChar16))
842 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, 1); 973 {
974 XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);
975 XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
976 y + r->TermWin.fbase, (const FcChar16 *)text, 1);
977 }
843 else 978 else
844 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, 1); 979 {
980 XGlyphInfo extents;
981 XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);
982 XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
983 y + r->TermWin.fbase, (const FcChar32 *)text, 1);
984 }
845 } 985 }
846 986
847 x += r->TermWin.fwidth; 987 x += r->TermWin.fwidth;
848 text++; 988 text++;
849 len--; 989 len--;
853#endif 993#endif
854 994
855///////////////////////////////////////////////////////////////////////////// 995/////////////////////////////////////////////////////////////////////////////
856 996
857rxvt_fontset::rxvt_fontset (rxvt_t r) 997rxvt_fontset::rxvt_fontset (rxvt_t r)
858#ifdef EXPLICIT_CONTEXT
859: r(r) 998: r (r)
860#endif
861{ 999{
862 clear (); 1000 clear ();
863} 1001}
864 1002
865rxvt_fontset::~rxvt_fontset () 1003rxvt_fontset::~rxvt_fontset ()
868} 1006}
869 1007
870void 1008void
871rxvt_fontset::clear () 1009rxvt_fontset::clear ()
872{ 1010{
873 for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++) 1011 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
874 FONT_UNREF (*i); 1012 FONT_UNREF (*i);
875 1013
876 fonts.clear (); 1014 fonts.clear ();
877 base_id = 0; 1015 base_id = 0;
878 base_prop.height = 0x7fffffff; 1016 base_prop.height = 0x7fffffff;
905 f = new rxvt_font_x11; 1043 f = new rxvt_font_x11;
906 } 1044 }
907 else 1045 else
908 f = new rxvt_font_x11; 1046 f = new rxvt_font_x11;
909 1047
1048 f->fs = this;
910 f->set_term (r); 1049 f->set_term (r);
911 f->set_name (strdup (name)); 1050 f->set_name (strdup (name));
912 1051
913 f->cs = cs; 1052 f->cs = cs;
914 f->loaded = false; 1053 f->loaded = false;
932 1071
933 if (*desc == '[') 1072 if (*desc == '[')
934 { 1073 {
935 fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); 1074 fprintf (stderr, "extra font parameters not yet supported, skipping.\n");
936 1075
937 const char *extra = desc++; 1076 //const char *extra = desc++; // not yet used
938 1077
939 desc = strchr (desc, ']'); 1078 desc = strchr (desc, ']');
940 1079
941 if (!desc) 1080 if (!desc)
942 { 1081 {
981 } 1120 }
982 1121
983 return true; 1122 return true;
984} 1123}
985 1124
986void 1125bool
987rxvt_fontset::populate (const char *desc) 1126rxvt_fontset::populate (const char *desc)
988{ 1127{
989 clear (); 1128 clear ();
990 1129
991 fonts.push_back (new_font (0, CS_UNICODE)); 1130 fonts.push_back (new_font (0, CS_UNICODE));
995 1134
996 if (!base_id) 1135 if (!base_id)
997 base_id = 1; 1136 base_id = 1;
998 1137
999 // we currently need a base-font, no matter what 1138 // we currently need a base-font, no matter what
1000 if (fonts.size () <= base_id || !realize_font (base_id)) 1139 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1001 { 1140 {
1141 puts ("unable to load specified font (s), falling back to 'fixed'\n");
1002 add_fonts ("fixed"); 1142 add_fonts ("fixed");
1003 base_id = fonts.size () - 1; 1143 base_id = fonts.size () - 1;
1004 } 1144 }
1005 1145
1006 if (fonts.size () <= base_id || !realize_font (base_id)) 1146 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1007 { 1147 return false;
1008 fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");
1009 exit (1);
1010 }
1011 1148
1012 base_prop = fonts[base_id]->properties (); 1149 base_prop = fonts[base_id]->properties ();
1150
1151 return true;
1013} 1152}
1014 1153
1015int 1154int
1016rxvt_fontset::find_font (uint32_t unicode) 1155rxvt_fontset::find_font (unicode_t unicode)
1017{ 1156{
1018 for (int i = 0; i < fonts.size (); i++) 1157 for (unsigned int i = 0; i < fonts.size (); i++)
1019 { 1158 {
1020 rxvt_font *f = fonts[i]; 1159 rxvt_font *f = fonts[i];
1021 1160
1022 if (!f->loaded) 1161 if (!f->loaded)
1023 { 1162 {

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