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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.52 by root, Sat Dec 4 02:56:06 2004 UTC vs.
Revision 1.167 by sf-exg, Mon Nov 29 12:33:22 2010 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: defaultfont.C 2 * File: rxvtfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 4 * Copyright (c) 2003-2008 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
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details. 15 * GNU General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU General Public License 17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *---------------------------------------------------------------------*/ 20 *---------------------------------------------------------------------*/
21 21
22#include "../config.h" 22#include "../config.h"
23#include "rxvt.h" 23#include "rxvt.h"
24#include "rxvtutil.h" 24#include "rxvtutil.h"
25#include "rxvtfont.h" 25#include "rxvtfont.h"
26 26
27#include <cstdlib> 27#include <cstdlib>
28#include <wchar.h> 28
29#include <inttypes.h> 29#include <inttypes.h>
30 30
31#define DISPLAY r->display->display 31#if XFT
32#define TGC r->TermWin.gc 32# include <fontconfig/fontconfig.h>
33#endif
33 34
34#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
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 ))
35 43
36const struct rxvt_fallback_font { 44const struct rxvt_fallback_font {
37 codeset cs; 45 codeset cs;
38 const char *name; 46 const char *name;
39} fallback_fonts[] = { 47} fallback_fonts[] = {
40 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" }, 48 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },
41 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" }, 49 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },
42 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" }, 50 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" },
43 51
44#if ENCODING_EU 52#if ENCODING_EU
45 // cyrillic 53 // cyrillic
46 { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" }, 54 { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" },
47 { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" }, 55 { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" },
48 56
49 { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" }, 57 { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" },
50 { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" }, 58 { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" },
51 { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" }, 59 { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" },
52 { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" }, 60 { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" },
53 { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" }, 61 { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" },
59 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" }, 67 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },
60 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" }, 68 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },
61 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" }, 69 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },
62 70
63# if XFT 71# if XFT
64 { CS_KOI8_U, "xft::spacing=100:lang=ru:antialias=false" }, 72 { CS_KOI8_U, "xft::lang=ru" },
65 73
66 { CS_ISO8859_5, "xft::spacing=100:lang=ru:antialias=false" }, 74 { CS_ISO8859_5, "xft::lang=ru" },
67 { CS_ISO8859_6, "xft::spacing=100:lang=ar:antialias=false" }, 75 { CS_ISO8859_6, "xft::lang=ar" },
68 { CS_ISO8859_7, "xft::spacing=100:lang=el:antialias=false" }, 76 { CS_ISO8859_7, "xft::lang=el" },
69 { CS_ISO8859_8, "xft::spacing=100:lang=he:antialias=false" }, 77 { CS_ISO8859_8, "xft::lang=he" },
70 { CS_ISO8859_9, "xft::spacing=100:lang=tr:antialias=false" }, 78 { CS_ISO8859_9, "xft::lang=tr" },
71 { CS_ISO8859_10, "xft::spacing=100:lang=se:antialias=false" }, 79 { CS_ISO8859_10, "xft::lang=se" },
72 { CS_ISO8859_11, "xft::spacing=100:lang=th:antialias=false" }, 80 { CS_ISO8859_11, "xft::lang=th" },
73# endif 81# endif
74#endif 82#endif
75 83
76 // japanese 84 // japanese
77#if ENCODING_JP || ENCODING_JP_EXT 85#if ENCODING_JP || ENCODING_JP_EXT
78# if XFT 86# if XFT
79 // prefer xft for complex scripts 87 // prefer xft for complex scripts
88 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
80 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, 89 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
81 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
82 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" }, 90 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
83 { CS_JIS0208_1990_0, "xft::lang=ja:spacing=100:antialias=false" }, 91 { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
84# endif 92# endif
85 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 93 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
86 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 94 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
87 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 95 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
88 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 96 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
90 { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 98 { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
91#endif 99#endif
92 100
93#if ENCODING_ZH || ENCODING_ZH_EXT 101#if ENCODING_ZH || ENCODING_ZH_EXT
94# if XFT 102# if XFT
103 { CS_GBK_0, "xft:AR PL KaitiM GB" },
104 { CS_GBK_0, "xft:AR PL SungtiL GB" },
105 { CS_GBK_0, "xft::lang=zh" },
95 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 106 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
96 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 107 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
97 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 108 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
98 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 109 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
99 { CS_GB2312_1980_0, "xft::spacing=100:lang=zh" }, 110 { CS_GB2312_1980_0, "xft::lang=zh" },
100# endif 111# endif
112 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
101 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, 113 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
102 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, 114 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
103 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, 115 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
116 { CS_GB2312_1980_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
104 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" }, 117 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
105 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" }, 118 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
106 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" }, 119 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
107 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" }, 120 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
108 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" }, 121 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
115#if ENCODING_KR 128#if ENCODING_KR
116 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 129 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
117 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 130 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
118# if XFT 131# if XFT
119 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, 132 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
120 { CS_KSC5601_1987_0, "xft::spacing=100:lang=ko:antialias=false" }, 133 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
121# endif 134# endif
122#endif 135#endif
123 136
124 // generic font fallback
125 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" }, 137 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
126 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, 138 //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
127 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
128 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
129#if XFT 139#if XFT
130 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true"}, 140 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
131 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 141 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
132 { CS_UNICODE, "xft:Andale Mono:antialias=false" }, 142 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
133 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false" }, 143 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
134 144
135 // FreeMono is usually uglier than x fonts, so try last only. 145 // FreeMono is usually uglier than x fonts, so try after the others
136 { CS_UNICODE, "xft:FreeMono:autohint=true" }, 146 { CS_UNICODE, "xft:FreeMono:autohint=true" },
137#endif 147#endif
138 148
149 // generic font fallback, put this last, as many iso10646 fonts have extents
150 // specified for all glyphs in the range they cover, but most are simply empty
151 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
152 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
139 { CS_UNKNOWN, 0 } 153 { CS_UNKNOWN, 0 }
140}; 154};
141 155
142// these characters are used to guess the font height and width 156// these characters are used to guess the font height and width
143// pango uses a similar algorithm and eosn't trust the font either. 157// pango uses a similar algorithm and doesn't trust the font either.
144static uint16_t extent_test_chars[] = { 158static uint16_t extent_test_chars[] = {
145 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 159 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
146 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 160 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
147 0x304c, 0x672c, // が本 161 0x304c, 0x672c, // が本
148}; 162};
149 163
150#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0])) 164#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
151 165
166#define dTermDisplay Display *disp = term->dpy
167#define dTermGC GC gc = term->gc
168
152///////////////////////////////////////////////////////////////////////////// 169/////////////////////////////////////////////////////////////////////////////
153
154#if XFT
155rxvt_drawable::~rxvt_drawable ()
156{
157 if (xftdrawable)
158 XftDrawDestroy (xftdrawable);
159}
160
161rxvt_drawable::operator XftDraw *()
162{
163 if (!xftdrawable)
164 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
165
166 return xftdrawable;
167}
168#endif
169
170/////////////////////////////////////////////////////////////////////////////
171
172static void *enc_buf;
173static uint32_t enc_len;
174
175static inline void *
176get_enc_buf (uint32_t len)
177{
178 if (len > enc_len)
179 {
180 free (enc_buf);
181 enc_buf = malloc (len);
182 enc_len = len;
183 }
184
185 return enc_buf;
186}
187 170
188static const char * 171static const char *
189enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero) 172enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
190{ 173{
191 uint8_t *buf = (uint8_t *)get_enc_buf (len); 174 uint8_t *buf = rxvt_temp_buf<uint8_t> (len);
175 uint8_t *res = buf;
192 176
193 while (len--) 177 while (len--)
194 { 178 {
195 uint32_t c = FROM_UNICODE (cs, *text++); 179 uint32_t c = FROM_UNICODE (cs, *text++);
196 180
201 } 185 }
202 186
203 *buf++ = c; 187 *buf++ = c;
204 } 188 }
205 189
206 return (const char *)enc_buf; 190 return (const char *)res;
207} 191}
208 192
209static const XChar2b * 193static const XChar2b *
210enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero) 194enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
211{ 195{
212 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 196 XChar2b *buf = rxvt_temp_buf<XChar2b> (len);
197 XChar2b *res = buf;
213 198
214 while (len--) 199 while (len--)
215 { 200 {
216 uint32_t c = FROM_UNICODE (cs, *text++); 201 uint32_t c = FROM_UNICODE (cs, *text++);
217 202
224 buf->byte1 = c >> 8; 209 buf->byte1 = c >> 8;
225 buf->byte2 = c; 210 buf->byte2 = c;
226 buf++; 211 buf++;
227 } 212 }
228 213
229 return (XChar2b *)enc_buf; 214 return res;
230} 215}
231 216
232///////////////////////////////////////////////////////////////////////////// 217/////////////////////////////////////////////////////////////////////////////
233 218
219rxvt_font::rxvt_font ()
220: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
221{
222}
223
234void 224void
235rxvt_font::set_name (char *name) 225rxvt_font::set_name (char *name_)
236{ 226{
237 if (this->name == name) 227 if (name == name_)
238 return; 228 return;
239 229
240 if (this->name) free (this->name); // let the compiler optimize 230 if (name) free (name); // let the compiler optimize
241 this->name = name; 231 name = name_;
242} 232}
243 233
244void 234void
245rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) 235rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const
246{ 236{
247 if (color == Color_bg) 237 dTermDisplay;
248 XClearArea (d.display->display, d, x, y, w, h, FALSE); 238 dTermGC;
239
240 if (color == Color_bg || color == Color_transparent)
241 XClearArea (disp, d, x, y, w, h, false);
249 else if (color >= 0) 242 else if (color >= 0)
250 { 243 {
251#if XFT 244#if XFT
245 Picture dst;
246
247# ifdef HAVE_BG_PIXMAP
248 if (term->bgPixmap.pixmap
249 && !term->pix_colors[color].is_opaque ()
250 && ((dst = XftDrawPicture (d))))
251 {
252 XClearArea (disp, d, x, y, w, h, false);
253
254 Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c);
255 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h);
256 }
257 else
258# endif
252 XftDrawRect (d, &r->pix_colors[color].c, x, y, w, h); 259 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
260
253#else 261#else
254 XSetForeground (d.display->display, TGC, r->pix_colors[color]); 262 XSetForeground (disp, gc, term->pix_colors[color]);
255 XFillRectangle (d.display->display, d, TGC, x, y, w, h); 263 XFillRectangle (disp, d, gc, x, y, w, h);
256#endif 264#endif
257 } 265 }
258} 266}
259 267
260#include "table/linedraw.h" 268/////////////////////////////////////////////////////////////////////////////
261 269
262struct rxvt_font_default : rxvt_font { 270struct rxvt_font_default : rxvt_font {
263 struct rxvt_fontset *fs; 271 struct rxvt_fontset *fs;
264 272
265 rxvt_font_default (rxvt_fontset *fs) 273 rxvt_font_default (rxvt_fontset *fs)
271 rxvt_fontprop properties () 279 rxvt_fontprop properties ()
272 { 280 {
273 rxvt_fontprop p; 281 rxvt_fontprop p;
274 282
275 p.width = p.height = 1; 283 p.width = p.height = 1;
284 p.ascent = rxvt_fontprop::unset;
276 p.weight = rxvt_fontprop::medium; 285 p.weight = rxvt_fontprop::medium;
277 p.slant = rxvt_fontprop::roman; 286 p.slant = rxvt_fontprop::roman;
278 287
279 return p; 288 return p;
280 } 289 }
281 290
282 bool load (const rxvt_fontprop &prop) 291 bool load (const rxvt_fontprop &prop, bool force_prop)
283 { 292 {
284 width = 1; height = 1; 293 width = 1; height = 1;
285 ascent = 1; descent = 0; 294 ascent = 1; descent = 0;
286 295
287 set_name (strdup ("built-in support font")); 296 set_name (strdup ("built-in support font"));
288 297
289 return true; 298 return true;
290 } 299 }
291 300
292 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 301 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
293 { 302 {
294 careful = false; 303 careful = false;
295 304
296 if (unicode <= 0x001f) 305 if (unicode <= 0x001f)
297 return true; 306 return true;
300 return false; 309 return false;
301 310
302 if (unicode <= 0x009f) 311 if (unicode <= 0x009f)
303 return true; 312 return true;
304 313
314#ifdef BUILTIN_GLYPHS
305 if (unicode >= 0x2500 && unicode <= 0x259f) 315 if (unicode >= 0x2500 && unicode <= 0x259f &&
316 !term->option (Opt_skipBuiltinGlyphs))
306 return true; 317 return true;
318#endif
307 319
308 if (IS_COMPOSE (unicode)) 320 if (IS_COMPOSE (unicode))
309 return true; 321 return true;
310 322
311 switch (unicode) 323 switch (unicode)
326void 338void
327rxvt_font_default::draw (rxvt_drawable &d, int x, int y, 339rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
328 const text_t *text, int len, 340 const text_t *text, int len,
329 int fg, int bg) 341 int fg, int bg)
330{ 342{
343 dTermDisplay;
344 dTermGC;
345
331 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 346 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
332 347
333 XSetForeground (d.display->display, TGC, r->pix_colors[fg]); 348 XSetForeground (disp, gc, term->pix_colors[fg]);
334 349
335 while (len--) 350 while (len)
336 { 351 {
337#if ENABLE_COMBINING 352#if ENABLE_COMBINING
338 compose_char *cc; 353 compose_char *cc;
339#endif 354#endif
355 const text_t *tp = text;
340 text_t t = *text++; 356 text_t t = *tp;
341 357
358 while (++text, --len && *text == NOCHAR)
359 ;
360
361 int width = text - tp;
362 int fwidth = term->fwidth * width;
363
364#ifdef BUILTIN_GLYPHS
342 if (0x2500 <= t && t <= 0x259f) 365 if (0x2500 <= t && t <= 0x259f)
343 { 366 {
367# include "table/linedraw.h"
344 uint16_t offs = linedraw_offs[t - 0x2500]; 368 uint16_t offs = linedraw_offs[t - 0x2500];
345 uint32_t *a = linedraw_command + (offs >> 4); 369 uint32_t *a = linedraw_command + (offs >> 4);
346 uint32_t *b = a + (offs & 15); 370 uint32_t *b = a + (offs & 15);
347 371
348 int W = r->TermWin.fwidth; 372 int W = fwidth;
349 int H = r->TermWin.fheight; 373 int H = term->fheight;
350
351 // support double-width (but not more) graphics chars
352 // TODO: do this outside the if/elsif.. statement for all cases
353 if (len && *text == NOCHAR)
354 W += r->TermWin.fwidth;
355 374
356 int x_[16]; 375 int x_[16];
357 int y_[16]; 376 int y_[16];
358 377
359 for (int i = 0; i <= 8; i++) 378 for (int i = 0; i <= 8; i++)
367 386
368 XGCValues gcv; 387 XGCValues gcv;
369 388
370 gcv.cap_style = CapButt; 389 gcv.cap_style = CapButt;
371 gcv.line_width = 0; 390 gcv.line_width = 0;
372 XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv); 391 XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
373 392
374 while (a < b) 393 while (a < b)
375 { 394 {
376 uint32_t command = *a++; 395 uint32_t command = *a++;
377 396
384 int y2 = y_[(command >> 0) & 15]; 403 int y2 = y_[(command >> 0) & 15];
385 404
386 switch (op) 405 switch (op)
387 { 406 {
388 case 0: // line 407 case 0: // line
389 XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2); 408 XDrawLine (disp, d, gc, x1, y1, x2, y2);
390 break; 409 break;
391 410
392 case 1: // rectangle, possibly stippled 411 case 1: // rectangle, possibly stippled
393 if (a) 412 if (a)
394 { 413 {
395 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 414 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
396 415
397 gcv.fill_style = FillStippled; 416 gcv.fill_style = FillStippled;
398 gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2); 417 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
399 gcv.ts_x_origin = x; 418 gcv.ts_x_origin = x;
400 gcv.ts_y_origin = y; 419 gcv.ts_y_origin = y;
401 420
402 XChangeGC (d.display->display, TGC, 421 XChangeGC (disp, gc,
403 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 422 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
404 &gcv); 423 &gcv);
405 } 424 }
406 425
407 XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); 426 XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
408 427
409 if (a) 428 if (a)
410 { 429 {
411 XFreePixmap (d.display->display, gcv.stipple); 430 XFreePixmap (disp, gcv.stipple);
412 gcv.stipple = 0; 431 gcv.stipple = 0;
413 gcv.fill_style = FillSolid; 432 gcv.fill_style = FillSolid;
414 XChangeGC (d.display->display, TGC, GCFillStyle, &gcv); 433 XChangeGC (disp, gc, GCFillStyle, &gcv);
415 } 434 }
416 break; 435 break;
417 case 2: // arc 436 case 2: // arc
418 XDrawArc (d.display->display, d, TGC, 437 XDrawArc (disp, d, gc,
419 x1 - W/2, y1 - H/2, W-1, H-1, 438 x1 - W/2, y1 - H/2, W-1, H-1,
420 (a - 1) * 90*64, (b - 1) * 90*64); 439 (a - 1) * 90*64, (b - 1) * 90*64);
421 break; 440 break;
422 } 441 }
423 } 442 }
424 } 443 }
444#else
445 if (0)
446 ;
447#endif
425#if ENABLE_COMBINING 448#if ENABLE_COMBINING
426 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 449 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
427 { 450 {
451 min_it (width, 2); // we only support wcwidth up to 2
452
428 text_t c2[2]; 453 text_t chrs[2];
429 int len2 = 1; 454 chrs [1] = NOCHAR;
430
431 // support double-width (but not more) combining characters
432 if (len && *text == NOCHAR)
433 {
434 c2[1] = *text; // not text++ to get correct x-width
435 len2++;
436 }
437 455
438 c2[0] = cc->c1; 456 *chrs = cc->c1;
439 rxvt_font *f1 = (*fs)[fs->find_font (c2[0])]; 457 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
440 f1->draw (d, x, y, c2, len2, fg, bg); 458 f1->draw (d, x, y, chrs, width, fg, bg);
441 459
442 if (cc->c2 != NOCHAR) 460 if (cc->c2 != NOCHAR)
443 { 461 {
444 bool careful; 462 bool careful;
445 463
446 // prefer font of first character, for no good reasons 464 // prefer font of first character, for no good reasons
447 c2[0] = cc->c2; 465 *chrs = cc->c2;
448 rxvt_font *f2 = (f1->has_char (c2[0], 0, careful) && !careful) 466 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
449 ? f1 467 ? f1
450 : (*fs)[fs->find_font (c2[0])]; 468 : (*fs)[fs->find_font_idx (cc->c2)];
451 469
452 f2->draw (d, x, y, c2, len2, fg, -1); 470 f2->draw (d, x, y, chrs, width, fg, Color_none);
453 } 471 }
454 } 472 }
455#endif 473#endif
456 else 474 else
457 switch (t) 475 switch (t)
460 case ZERO_WIDTH_CHAR: 478 case ZERO_WIDTH_CHAR:
461 case NOCHAR: 479 case NOCHAR:
462 break; 480 break;
463 481
464 default: 482 default:
465 int w = 0;
466 while (len > 0 && *text == NOCHAR)
467 {
468 ++text;
469 --len;
470 w += r->TermWin.fwidth;
471 }
472
473 XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2, 483 XDrawRectangle (disp, d, gc, x + 2, y + 2,
474 w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4); 484 fwidth - 4, term->fheight - 4);
475 x += w;
476 } 485 }
477 486
478 x += r->TermWin.fwidth; 487 x += fwidth;
488 }
489}
490
491struct rxvt_font_overflow : rxvt_font {
492 struct rxvt_fontset *fs;
493
494 rxvt_font_overflow (rxvt_fontset *fs)
495 : rxvt_font ()
496 {
497 this->fs = fs;
498 }
499
500 rxvt_fontprop properties ()
501 {
502 rxvt_fontprop p;
503
504 p.width = p.height = 1;
505 p.ascent = rxvt_fontprop::unset;
506 p.weight = rxvt_fontprop::medium;
507 p.slant = rxvt_fontprop::roman;
508
509 return p;
510 }
511
512 bool load (const rxvt_fontprop &prop, bool force_prop)
513 {
514 width = 1; height = 1;
515 ascent = 1; descent = 0;
516
517 set_name (strdup ("built-in rendition overflow font"));
518
519 return true;
520 }
521
522 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
523 {
524 return false;
525 }
526
527 void draw (rxvt_drawable &d, int x, int y,
528 const text_t *text, int len,
529 int fg, int bg)
530 {
531 while (len--)
532 {
533 int fid = fs->find_font_idx (*text);
534 (*fs)[fid]->draw (d, x, y, text, 1, fg, bg);
535 ++text;
536 x += term->fwidth;
479 } 537 }
480} 538 }
539};
481 540
482///////////////////////////////////////////////////////////////////////////// 541/////////////////////////////////////////////////////////////////////////////
483 542
484struct rxvt_font_x11 : rxvt_font { 543struct rxvt_font_x11 : rxvt_font {
485 rxvt_font_x11 () { f = 0; } 544 rxvt_font_x11 () { f = 0; }
486 545
487 void clear (); 546 void clear ();
488 547
489 rxvt_fontprop properties (); 548 rxvt_fontprop properties ();
490 549
491 bool load (const rxvt_fontprop &prop); 550 bool load (const rxvt_fontprop &prop, bool force_prop);
492 551
493 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful); 552 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
494 553
495 void draw (rxvt_drawable &d, int x, int y, 554 void draw (rxvt_drawable &d, int x, int y,
496 const text_t *text, int len, 555 const text_t *text, int len,
497 int fg, int bg); 556 int fg, int bg);
498 557
499 bool slow; // wether this is a proportional font or has other funny characteristics 558 bool slow; // whether this is a proportional font or has other funny characteristics
500 XFontStruct *f; 559 XFontStruct *f;
501 codeset cs;
502 bool enc2b, encm; 560 bool enc2b, encm;
503 561
504 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 562 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
505 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); 563 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
506 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 564 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
507 bool set_properties (rxvt_fontprop &p, const char *name); 565 bool set_properties (rxvt_fontprop &p, const char *name);
508}; 566};
509 567
510char * 568char *
511rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 569rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
512{ 570{
513 unsigned long value; 571 unsigned long value;
514 572
515 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 573 if (XGetFontProperty (f, property, &value))
516 return XGetAtomName (DISPLAY, value); 574 return XGetAtomName (term->dpy, value);
517 else 575 else
518 return rxvt_strdup (repl); 576 return repl ? strdup (repl) : 0;
519} 577}
520 578
521rxvt_fontprop 579rxvt_fontprop
522rxvt_font_x11::properties () 580rxvt_font_x11::properties ()
523{ 581{
527} 585}
528 586
529bool 587bool
530rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 588rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
531{ 589{
532 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 590 p.width = width != rxvt_fontprop::unset ? width
591 : avgwidth ? (avgwidth + 1) / 10
592 : (height + 1) / 2;
533 p.height = height; 593 p.height = height;
594 p.ascent = rxvt_fontprop::unset;
534 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 595 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
535 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 596 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
536 597
537 return true; 598 return true;
538} 599}
539 600
540bool 601bool
541rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 602rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
542{ 603{
543 unsigned long height; 604 unsigned long height;
605
606#if 0
544 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 607 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
545 return false; 608 return false;
609#else
610 height = f->ascent + f->descent;
611#endif
546 612
547 unsigned long avgwidth; 613 unsigned long avgwidth;
548 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 614 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
549 avgwidth = 0; 615 avgwidth = 0;
550 616
551 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 617 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
552 char *slant = get_property (f, "SLANT", "r"); 618 char *slant = get_property (f, term->xa [XA_SLANT], "r");
553 619
554 set_properties (p, height, weight, slant, avgwidth); 620 set_properties (p, height, weight, slant, avgwidth);
555 621
556 free (weight); 622 free (weight);
557 free (slant); 623 free (slant);
558 624
625 p.ascent = f->ascent;
626
559 return true; 627 return true;
560} 628}
561 629
562bool 630bool
563rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) 631rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
564{ 632{
633 dTermDisplay;
565 int slashes = 0; 634 int slashes = 0;
566 const char *comp[13]; 635 const char *comp[13];
567 636
568 for (const char *c = name; *c; c++) 637 for (const char *c = name; *c; c++)
569 if (*c == '-') 638 if (*c == '-')
577 if (slashes >= 13 646 if (slashes >= 13
578 && (*comp[ 6] >= '1' && *comp[ 6] <= '9') 647 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
579 && (*comp[11] >= '0' && *comp[11] <= '9')) 648 && (*comp[11] >= '0' && *comp[11] <= '9'))
580 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); 649 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
581 650
582 XFontStruct *f = XLoadQueryFont (DISPLAY, name); 651 XFontStruct *f = XLoadQueryFont (disp, name);
583 652
584 if (f) 653 if (f)
585 { 654 {
586 // the font should really exist now. if not, we have a problem 655 // the font should really exist now. if not, we have a problem
587 // (e.g. if the user did xset fp rehash just when we were searching fonts). 656 // (e.g. if the user did xset fp rehash just when we were searching fonts).
588 // in that case, just return garbage. 657 // in that case, just return garbage.
589 bool ret = set_properties (p, f); 658 bool ret = set_properties (p, f);
590 XFreeFont (DISPLAY, f); 659 XFreeFont (disp, f);
591 return ret; 660 return ret;
592 } 661 }
593 else 662 else
594 return false; 663 return false;
595} 664}
596 665
597// fix the size of scalable fonts 666// fix the size of scalable fonts
598static bool 667static bool
599replace_field (char *buf, const char *name, int index, const char old, const char *replace) 668replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
600{ 669{
601 int slashes = 0; 670 int slashes = 0;
602 const char *field, *end; 671 const char *field, *end;
603 672
604 for (const char *c = name; *c; c++) 673 for (const char *c = name; *c; c++)
614 break; 683 break;
615 } 684 }
616 685
617 if (slashes >= 13 && (!old || *field == old)) 686 if (slashes >= 13 && (!old || *field == old))
618 { 687 {
619 // TODO: check for overflow in font-name 688 size_t len = field - name;
620 strncpy (buf, name, field - name); 689 *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
621 buf += field - name; 690 memcpy (*ptr, name, len);
622 strcpy (buf, replace); 691 strcpy (*ptr + len, replace);
623 strcat (buf, end); 692 strcat (*ptr, end);
624 693
625 return true; 694 return true;
626 } 695 }
627 else 696 else
628 { 697 {
629 strcpy (buf, name); 698 *ptr = strdup (name);
630 699
631 return false; 700 return false;
632 } 701 }
633} 702}
634 703
635bool 704bool
636rxvt_font_x11::load (const rxvt_fontprop &prop) 705rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
637{ 706{
707 dTermDisplay;
708
638 clear (); 709 clear ();
639 710
640 char field_str[64]; // enough for 128 bits 711 char field_str[64]; // enough for 128 bits
641 712
642 // first morph the font if required 713 // first morph the font if required
643 if (prop.weight != rxvt_fontprop::unset 714 if (force_prop)
644 || prop.slant != rxvt_fontprop::unset)
645 { 715 {
646 char fname[1024]; 716 char *fname;
647 717
648 if (name[0] != '-') 718 if (name[0] != '-')
649 { 719 {
650 f = XLoadQueryFont (DISPLAY, name); 720 f = XLoadQueryFont (disp, name);
651 721
652 if (!f) 722 if (!f)
653 return false; 723 return false;
654 724
655 char *new_name = get_property (f, "FONT", name); 725 char *new_name = get_property (f, XA_FONT, name);
656 726
657 if (new_name) 727 if (new_name)
658 set_name (new_name); 728 set_name (new_name);
659 else 729 else
660 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 730 rxvt_warn ("font '%s' has no FONT property, continuing without.", name);
661 731
662 XFreeFont (DISPLAY, f); 732 XFreeFont (disp, f);
663 f = 0; 733 f = 0;
664 } 734 }
665 735
666 if (prop.weight != rxvt_fontprop::unset) 736 if (prop.weight != rxvt_fontprop::unset)
667 { 737 {
668 replace_field (fname, name, 2, 0, 738 replace_field (&fname, name, 2, 0,
669 prop.weight < rxvt_fontprop::bold 739 prop.weight < rxvt_fontprop::bold
670 ? "medium" : "bold"); 740 ? "medium" : "bold");
671 set_name (strdup (fname)); 741 set_name (fname);
672 } 742 }
673 743
674 if (prop.slant != rxvt_fontprop::unset) 744 if (prop.slant != rxvt_fontprop::unset)
675 { 745 {
676 replace_field (fname, name, 3, 0, 746 replace_field (&fname, name, 3, 0,
677 prop.slant < rxvt_fontprop::italic 747 prop.slant < rxvt_fontprop::italic
678 ? "r" : "i"); // TODO: handle "o"blique, too 748 ? "r" : "i"); // TODO: handle "o"blique, too
679 set_name (strdup (fname)); 749 set_name (fname);
680 } 750 }
751 }
752
753 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
754 ? 0 : prop.height);
755
756 struct font_weight {
757 char *name;
758 int diff;
759
760 void clear ()
681 } 761 {
762 name = 0;
763 diff = 0x7fffffff;
764 }
765
766 font_weight () { clear (); }
767 ~font_weight () { free (name); }
768 };
682 769
683 char **list; 770 char **list;
684 int count; 771 int count;
685 list = XListFonts (DISPLAY, name, 1024, &count); 772 list = XListFonts (disp, name, 4000, &count);
686 773
687 set_name (0); 774 set_name (0);
688 775
689 if (!list) 776 if (!list)
690 return false; 777 return false;
691 778
692 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 779 font_weight *fonts = new font_weight[count];
693 ? 0 : prop.height);
694 780
695 int bestdiff = 0x7fffffff;
696 for (int i = 0; i < count; i++) 781 for (int i = 0; i < count; i++)
697 { 782 {
698 rxvt_fontprop p; 783 rxvt_fontprop p;
699 char fname[1024]; 784 char *fname;
700 785
701 int diff = 0; 786 int diff = 0;
702 787
703 if (replace_field (fname, list[i], 6, '0', field_str)) 788 if (replace_field (&fname, list[i], 6, '0', field_str))
704 diff += 10; // slightly penalize scalable fonts 789 diff += 10; // slightly penalize scalable fonts
790 else
791 {
792 free (fname);
793 if (replace_field (&fname, list[i], 11, '0', "0"))
794 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
795 }
705 796
706 if (!set_properties (p, fname)) 797 if (!set_properties (p, fname))
707 continue; 798 continue;
708 799
709 if (prop.height != rxvt_fontprop::unset 800 if (prop.height != rxvt_fontprop::unset
713 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 804 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
714 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 805 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
715 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 806 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
716 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 807 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
717 808
718 if (!name // compare against best found so far 809 fonts[i].name = fname;
719 || diff < bestdiff) 810 fonts[i].diff = diff;
720 {
721 set_name (strdup (fname));
722 bestdiff = diff;
723 }
724 } 811 }
725 812
726 XFreeFontNames (list); 813 XFreeFontNames (list);
727 814
728 if (!name) 815 // this loop only iterates when the guessed font-size is too small
729 return false; 816 for (;;)
817 {
818 font_weight *best = fonts + count - 1;
730 819
731 f = XLoadQueryFont (DISPLAY, name); 820 for (font_weight *w = best; w-- > fonts; )
821 if (w->diff <= best->diff)
822 best = w;
823
824 if (!best->name
825 || !(f = XLoadQueryFont (disp, best->name)))
826 break;
827
828 set_name (best->name);
829 best->clear ();
830
831 ascent = f->ascent;
832 descent = f->descent;
833 height = ascent + descent;
834
835 if (prop.height == rxvt_fontprop::unset
836 || height <= prop.height)
837 break; // font is ready for use
838
839 // PIXEL_SIZE small enough, but real height too large
840 clear ();
841 }
842
843 delete [] fonts;
732 844
733 if (!f) 845 if (!f)
734 return false; 846 return false;
735 847
736 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 848 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
737 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 849 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
850
851 cs = CS_UNKNOWN;
738 852
739 if (registry && encoding) 853 if (registry && encoding)
740 { 854 {
741 char charset[64]; 855 char charset[64];
742 snprintf (charset, 64, "%s-%s", registry, encoding); 856 snprintf (charset, 64, "%s-%s", registry, encoding);
743 857
744 cs = codeset_from_name (charset); 858 cs = codeset_from_name (charset);
745 } 859
746 else 860 if (cs == CS_UNKNOWN)
861 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
747 { 862 }
863
864 free (registry);
865 free (encoding);
866
867 if (cs == CS_UNKNOWN)
868 {
748 const char *charset = get_property (f, "FONT", 0); 869 const char *charset = get_property (f, XA_FONT, 0);
749 870
750 if (!charset) 871 if (!charset)
751 charset = name; 872 charset = name;
752 873
753 int count = 13; 874 int count = 13;
754 while (*charset) 875 while (*charset)
755 if (*charset++ == '-' && !--count) 876 if (*charset++ == '-' && !--count)
756 break; 877 break;
757 878
758 cs = codeset_from_name (charset); 879 cs = codeset_from_name (charset);
880 if (cs == CS_UNKNOWN)
881 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
882 }
883
884 if (cs == CS_UNKNOWN)
759 } 885 {
760 886 clear ();
761 free (registry); 887 return false;
762 free (encoding); 888 }
763 889
764 if (cs == CS_UNICODE) 890 if (cs == CS_UNICODE)
765 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 891 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
766 892
767 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 893 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
768 enc2b = encm || f->max_char_or_byte2 > 255; 894 enc2b = encm || f->max_char_or_byte2 > 255;
769 895
770 ascent = f->ascent;
771 descent = f->descent;
772 height = ascent + descent;
773
774 slow = false; 896 slow = false;
775 897
776#if 1 // only used for slow detection, TODO optimize 898#if 1 // only used for slow detection, TODO optimize
777 if (f->min_bounds.width == f->max_bounds.width) 899 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
778 width = f->min_bounds.width;
779 else if (f->per_char == NULL)
780 width = f->max_bounds.width; 900 width = f->max_bounds.width;
781 else 901 else
782 { 902 {
783 slow = true; 903 slow = true;
784 904
785 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 905 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
786 906
787 if (encm) 907 if (encm)
788 N += (f->max_byte1 - f->min_byte1) 908 N += (f->max_byte1 - f->min_byte1)
789 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); 909 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
790 910
791 while (N) 911 while (N)
792 { 912 {
793 if (f->per_char[N].width > width) 913 if (f->per_char[N].width > width)
794 width = f->per_char[N].width; 914 width = f->per_char[N].width;
795 915
800 920
801 width = 1; 921 width = 1;
802 922
803 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 923 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
804 { 924 {
805 if (cs != CS_UNICODE
806 && *t > 0x100
807 && FROM_UNICODE (cs, *t) == NOCHAR) 925 if (FROM_UNICODE (cs, *t) == NOCHAR)
808 continue; 926 continue;
809 927
810 // ignore characters we wouldn't use anyways 928 // ignore characters we wouldn't use anyways
811 bool careful; 929 bool careful;
812 if (!has_char (*t, &prop, careful)) 930 if (!has_char (*t, &prop, careful))
816 934
817 XCharStruct g; 935 XCharStruct g;
818 int dir_ret, asc_ret, des_ret; 936 int dir_ret, asc_ret, des_ret;
819 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 937 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
820 938
821 int wcw = wcwidth (*t); if (wcw > 0) g.width = g.width / wcw; 939 int wcw = WCWIDTH (*t);
940 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
822 941
823 if (width < g.width) width = g.width; 942 if (width < g.width) width = g.width;
824 }
825
826 if (cs == CS_UNKNOWN)
827 { 943 }
828 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
829 944
945#if 0 // do it per-character
946 if (prop && width > prop->width)
947 {
830 clear (); 948 clear ();
831 return false; 949 return false;
832 } 950 }
833
834#if 0 // do it per-character
835 if (prop && width > prop->width)
836 {
837 clear ();
838 return false;
839 }
840#endif 951#endif
841 952
842 return true; 953 return true;
843} 954}
844 955
845void 956void
846rxvt_font_x11::clear () 957rxvt_font_x11::clear ()
847{ 958{
848 if (f) 959 if (f)
849 { 960 {
850 XFreeFont (DISPLAY, f); 961 XFreeFont (term->dpy, f);
851 f = 0; 962 f = 0;
852 } 963 }
853} 964}
854 965
855bool 966bool
856rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 967rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
857{ 968{
858 uint32_t ch = FROM_UNICODE (cs, unicode); 969 uint32_t ch = FROM_UNICODE (cs, unicode);
859 970
860 if (ch == NOCHAR) 971 if (ch == NOCHAR)
861 return false; 972 return false;
862 973
863 /* check wether the character exists in _this_ font. horrible. */ 974 /* check whether the character exists in _this_ font. horrible. */
864 XCharStruct *xcs; 975 XCharStruct *xcs;
865 976
866 if (encm) 977 if (encm)
867 { 978 {
868 unsigned char byte1 = ch >> 8; 979 unsigned char byte1 = ch >> 8;
898 return false; 1009 return false;
899 1010
900 if (!prop || prop->width == rxvt_fontprop::unset) 1011 if (!prop || prop->width == rxvt_fontprop::unset)
901 return true; 1012 return true;
902 1013
903 // check character against base font bounding box 1014 // check whether character overlaps previous/next character
904 int w = xcs->width; 1015 int w = xcs->rbearing - xcs->lbearing;
905 int wcw = wcwidth (unicode); 1016 int wcw = max (WCWIDTH (unicode), 1);
906 if (wcw > 0) w /= wcw;
907 1017
908 careful = w > prop->width; 1018 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
909 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1019
1020 if (careful && !OVERLAP_OK (w, wcw, prop))
910 return false; 1021 return false;
911 1022
912 return true; 1023 return true;
913} 1024}
914 1025
920 // this looks like a mess /. 1031 // this looks like a mess /.
921 // and it is a mess /. 1032 // and it is a mess /.
922 // yet we are trying to be perfect /. 1033 // yet we are trying to be perfect /.
923 // but the result still isn't perfect /. 1034 // but the result still isn't perfect /.
924 1035
1036 dTermDisplay;
1037 dTermGC;
1038
925 bool slow = this->slow 1039 bool slow = this->slow
926 || width != r->TermWin.fwidth 1040 || width != term->fwidth
927 || height != r->TermWin.fheight; 1041 || height != term->fheight;
928 1042
929 int base = ascent; // sorry, incorrect: r->TermWin.fbase; 1043 int base = ascent; // sorry, incorrect: term->fbase;
930 1044
931 XGCValues v; 1045 XGCValues v;
932 v.foreground = r->pix_colors[fg]; 1046 v.foreground = term->pix_colors[fg];
933 v.font = f->fid; 1047 v.font = f->fid;
934 1048
935 if (enc2b) 1049 if (enc2b)
936 { 1050 {
937 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 1051 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
938 1052
939 if (bg == Color_bg && !slow) 1053 if (bg == Color_bg && !slow)
940 { 1054 {
941 v.background = r->pix_colors[bg]; 1055 v.background = term->pix_colors[bg];
942 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1056 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
943 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 1057 XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
944 } 1058 }
945 else 1059 else
946 { 1060 {
947 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1061 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
948 1062
949 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1063 XChangeGC (disp, gc, GCForeground | GCFont, &v);
950 1064
951 if (slow) 1065 if (slow)
952 { 1066 {
953 do 1067 do
954 { 1068 {
955 if (xc->byte1 || xc->byte2) 1069 if (xc->byte1 || xc->byte2)
956 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 1070 XDrawString16 (disp, d, gc, x, y + base, xc, 1);
957 1071
958 x += r->TermWin.fwidth; 1072 x += term->fwidth;
959 xc++; len--; 1073 xc++; len--;
960 } 1074 }
961 while (len); 1075 while (len);
962 } 1076 }
963 else 1077 else
964 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); 1078 XDrawString16 (disp, d, gc, x, y + base, xc, len);
965 } 1079 }
966 } 1080 }
967 else 1081 else
968 { 1082 {
969 const char *xc = enc_char (text, len, cs, slow); 1083 const char *xc = enc_char (text, len, cs, slow);
970 1084
971 if (bg == Color_bg && !slow) 1085 if (bg == Color_bg && !slow)
972 { 1086 {
973 v.background = r->pix_colors[bg]; 1087 v.background = term->pix_colors[bg];
974 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1088 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
975 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1089 XDrawImageString (disp, d, gc, x, y + base, xc, len);
976 } 1090 }
977 else 1091 else
978 { 1092 {
979 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1093 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
980 1094
981 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1095 XChangeGC (disp, gc, GCForeground | GCFont, &v);
982 1096
983 if (slow) 1097 if (slow)
984 { 1098 {
985 do 1099 do
986 { 1100 {
987 if (*xc) 1101 if (*xc)
988 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1102 XDrawString (disp, d, gc, x, y + base, xc, 1);
989 1103
990 x += r->TermWin.fwidth; 1104 x += term->fwidth;
991 xc++; len--; 1105 xc++; len--;
992 } 1106 }
993 while (len); 1107 while (len);
994 } 1108 }
995 else 1109 else
996 XDrawString (d.display->display, d, TGC, x, y + base, xc, len); 1110 XDrawString (disp, d, gc, x, y + base, xc, len);
997 } 1111 }
998 } 1112 }
999} 1113}
1000 1114
1001///////////////////////////////////////////////////////////////////////////// 1115/////////////////////////////////////////////////////////////////////////////
1007 1121
1008 void clear (); 1122 void clear ();
1009 1123
1010 rxvt_fontprop properties (); 1124 rxvt_fontprop properties ();
1011 1125
1012 bool load (const rxvt_fontprop &prop); 1126 bool load (const rxvt_fontprop &prop, bool force_prop);
1013 1127
1014 void draw (rxvt_drawable &d, int x, int y, 1128 void draw (rxvt_drawable &d, int x, int y,
1015 const text_t *text, int len, 1129 const text_t *text, int len,
1016 int fg, int bg); 1130 int fg, int bg);
1017 1131
1018 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull); 1132 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
1019 1133
1020protected: 1134protected:
1021 XftFont *f; 1135 XftFont *f;
1022}; 1136};
1023 1137
1024void 1138void
1025rxvt_font_xft::clear () 1139rxvt_font_xft::clear ()
1026{ 1140{
1027 if (f) 1141 if (f)
1028 { 1142 {
1029 XftFontClose (DISPLAY, f); 1143 XftFontClose (term->dpy, f);
1030 f = 0; 1144 f = 0;
1031 } 1145 }
1032} 1146}
1033 1147
1034rxvt_fontprop 1148rxvt_fontprop
1038 1152
1039 FT_Face face = XftLockFace (f); 1153 FT_Face face = XftLockFace (f);
1040 1154
1041 p.width = width; 1155 p.width = width;
1042 p.height = height; 1156 p.height = height;
1157 p.ascent = ascent;
1043 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD 1158 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
1044 ? rxvt_fontprop::bold : rxvt_fontprop::medium; 1159 ? rxvt_fontprop::bold : rxvt_fontprop::medium;
1045 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC 1160 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
1046 ? rxvt_fontprop::italic : rxvt_fontprop::roman; 1161 ? rxvt_fontprop::italic : rxvt_fontprop::roman;
1047 1162
1049 1164
1050 return p; 1165 return p;
1051} 1166}
1052 1167
1053bool 1168bool
1054rxvt_font_xft::load (const rxvt_fontprop &prop) 1169rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
1055{ 1170{
1171 dTermDisplay;
1172
1056 clear (); 1173 clear ();
1057 1174
1058 FcPattern *p = FcNameParse ((FcChar8 *) name); 1175 FcPattern *p = FcNameParse ((FcChar8 *) name);
1059 1176
1060 if (!p) 1177 if (!p)
1061 return false; 1178 return false;
1062 1179
1063 FcValue v; 1180 FcValue v;
1064 1181
1065 if (prop.height != rxvt_fontprop::unset 1182 if (prop.height != rxvt_fontprop::unset
1066 || (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1183 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1067 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1184 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1068 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1185 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1069 1186
1070 if (prop.weight != rxvt_fontprop::unset 1187 if (prop.weight != rxvt_fontprop::unset
1071 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1188 && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
1072 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1189 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1073 1190
1074 if (prop.slant != rxvt_fontprop::unset 1191 if (prop.slant != rxvt_fontprop::unset
1075 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1192 && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
1076 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1193 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1077 1194
1078#if 0 // clipping unfortunately destroys our precious double-width-characters 1195#if 0 // clipping unfortunately destroys our precious double-width-characters
1079 // clip width, we can't do better, or can we? 1196 // clip width, we can't do better, or can we?
1080 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1197 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1081 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1198 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1082#endif 1199#endif
1083 1200
1084 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1201 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1085 FcPatternAddBool (p, FC_MINSPACE, 1); 1202 FcPatternAddBool (p, FC_MINSPACE, 1);
1086 1203
1087 // store generated name so iso14755 view gives better results 1204 // store generated name so iso14755 view gives better results
1088 set_name ((char *)FcNameUnparse (p)); 1205 set_name ((char *)FcNameUnparse (p));
1089 1206
1090 XftResult result; 1207 XftResult result;
1091 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1208 FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
1092 1209
1093 FcPatternDestroy (p); 1210 FcPatternDestroy (p);
1094 1211
1095 if (!match) 1212 if (!match)
1096 return false; 1213 return false;
1098 int ftheight = 0; 1215 int ftheight = 0;
1099 bool success = true; 1216 bool success = true;
1100 1217
1101 for (;;) 1218 for (;;)
1102 { 1219 {
1103 f = XftFontOpenPattern (DISPLAY, FcPatternDuplicate (match)); 1220 f = XftFontOpenPattern (disp, FcPatternDuplicate (match));
1104 1221
1105 if (!f) 1222 if (!f)
1106 { 1223 {
1107 success = false; 1224 success = false;
1108 break; 1225 break;
1117 1234
1118 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE; 1235 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
1119 1236
1120 XftUnlockFace (f); 1237 XftUnlockFace (f);
1121 1238
1239 int glheight = height;
1240
1122 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1241 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
1123 { 1242 {
1124 FcChar16 ch = *t; 1243 FcChar16 ch = *t;
1125 1244
1126 if (cs != CS_UNICODE 1245 if (cs != CS_UNICODE
1132 bool careful; 1251 bool careful;
1133 if (!has_char (*t, &prop, careful)) 1252 if (!has_char (*t, &prop, careful))
1134 continue; 1253 continue;
1135 1254
1136 XGlyphInfo g; 1255 XGlyphInfo g;
1137 XftTextExtents16 (DISPLAY, f, &ch, 1, &g); 1256 XftTextExtents16 (disp, f, &ch, 1, &g);
1138 1257
1258 g.width -= g.x;
1259
1139 int wcw = wcwidth (ch); 1260 int wcw = WCWIDTH (ch);
1140 if (wcw > 0) g.width = g.width / wcw; 1261 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1141 1262
1142 if (width < g.width) width = g.width; 1263 if (width < g.width ) width = g.width;
1143 if (height < g.height) height = g.height; 1264 if (height < g.height ) height = g.height;
1265 if (glheight < g.height - g.y) glheight = g.height - g.y;
1266 }
1267
1268 if (!width)
1269 {
1270 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name);
1271
1272 XftFontClose (disp, f);
1273 f = 0;
1274
1275 success = false;
1276 break;
1144 } 1277 }
1145 1278
1146 if (prop.height == rxvt_fontprop::unset 1279 if (prop.height == rxvt_fontprop::unset
1147 || height <= prop.height 1280 || (height <= prop.height && glheight <= prop.height)
1148 || height <= 2 1281 || height <= 2
1149 || !scalable) 1282 || !scalable)
1150 break; 1283 break;
1151 1284
1152 if (ftheight) 1285 if (ftheight)
1159 ftheight -= height - prop.height; 1292 ftheight -= height - prop.height;
1160 } 1293 }
1161 else 1294 else
1162 ftheight = prop.height - 1; 1295 ftheight = prop.height - 1;
1163 1296
1164 XftFontClose (DISPLAY, f); 1297 XftFontClose (disp, f);
1165 FcPatternDel (match, FC_PIXEL_SIZE); 1298 FcPatternDel (match, FC_PIXEL_SIZE);
1166 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight); 1299 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
1167 } 1300 }
1168 1301
1169 FcPatternDestroy (match); 1302 FcPatternDestroy (match);
1170 1303
1171#if 0 // do it per-character 1304#if 0 // do it per-character
1178 1311
1179 return success; 1312 return success;
1180} 1313}
1181 1314
1182bool 1315bool
1183rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 1316rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1184{ 1317{
1185 careful = false; 1318 careful = false;
1186 1319
1187 if (!XftCharExists (DISPLAY, f, unicode)) 1320 if (!XftCharExists (term->dpy, f, unicode))
1188 return false; 1321 return false;
1189 1322
1190 if (!prop || prop->width == rxvt_fontprop::unset) 1323 if (!prop || prop->width == rxvt_fontprop::unset)
1191 return true; 1324 return true;
1192 1325
1193 // check character against base font bounding box 1326 // check character against base font bounding box
1194 FcChar32 ch = unicode; 1327 FcChar32 ch = unicode;
1195 XGlyphInfo g; 1328 XGlyphInfo g;
1196 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1329 XftTextExtents32 (term->dpy, f, &ch, 1, &g);
1197 1330
1198 int w = g.width; 1331 int w = g.width - g.x;
1199 int wcw = wcwidth (unicode); 1332 int wcw = max (WCWIDTH (unicode), 1);
1200 if (wcw > 0) w /= wcw;
1201 1333
1202 careful = w > prop->width; 1334 careful = g.x > 0 || w > prop->width * wcw;
1203 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1335
1336 if (careful && !OVERLAP_OK (w, wcw, prop))
1337 return false;
1338
1339 // this weeds out _totally_ broken fonts, or glyphs
1340 if (!OVERLAP_OK (g.xOff, wcw, prop))
1204 return false; 1341 return false;
1205 1342
1206 return true; 1343 return true;
1207} 1344}
1208 1345
1209void 1346void
1210rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1347rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1211 const text_t *text, int len, 1348 const text_t *text, int len,
1212 int fg, int bg) 1349 int fg, int bg)
1213{ 1350{
1214 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
1215
1216 int base = ascent; // should be fbase, but that is incorrect
1217
1218 XGlyphInfo extents; 1351 XGlyphInfo extents;
1219 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1352 XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
1220 FcChar32 *ep = enc; 1353 XftGlyphSpec *ep = enc;
1221 int ewidth = 0; 1354
1222 int xoff = 0; 1355 dTermDisplay;
1356 dTermGC;
1357
1358 int w = term->fwidth * len;
1359 int h = term->fheight;
1360
1361 bool buffered = bg >= Color_transparent
1362 && term->option (Opt_buffered);
1363
1364 // cut trailing spaces
1365 while (len && text [len - 1] == ' ')
1366 len--;
1367
1368 int x_ = buffered ? 0 : x;
1369 int y_ = buffered ? 0 : y;
1223 1370
1224 while (len) 1371 while (len)
1225 { 1372 {
1226 int cwidth = r->TermWin.fwidth; 1373 int cwidth = term->fwidth;
1227 FcChar32 fc = *text++; len--; 1374 FcChar32 fc = *text++; len--;
1228 FT_UInt gl;
1229 1375
1230 while (len && *text == NOCHAR) 1376 while (len && *text == NOCHAR)
1231 text++, len--, cwidth += r->TermWin.fwidth; 1377 text++, len--, cwidth += term->fwidth;
1232
1233 gl = XftCharIndex (d.display->display, f, fc);
1234 XftGlyphExtents (d.display->display, f, &gl, 1, &extents);
1235 1378
1236 if (extents.xOff != cwidth && ep != enc) 1379 if (fc != ' ') // skip spaces
1237 {
1238 if (xoff > ewidth) xoff = ewidth;
1239 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1240 x + (ewidth - xoff >> 1),
1241 y + base, enc, ep - enc);
1242 x += ewidth;
1243
1244 ep = enc;
1245 ewidth = 0;
1246 xoff = 0;
1247 } 1380 {
1381 FT_UInt glyph = XftCharIndex (disp, f, fc);
1382 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1248 1383
1249 if (fc == ' ' && ep == enc) // skip leading spaces 1384 ep->glyph = glyph;
1385 ep->x = x_ + (cwidth - extents.xOff >> 1);
1386 ep->y = y_ + ascent;
1387
1388 if (extents.xOff == 0)
1389 ep->x = x_ + cwidth;
1390
1391 ep++;
1250 { 1392 }
1393
1251 x += cwidth; 1394 x_ += cwidth;
1252 continue; 1395 }
1396
1397 if (buffered)
1398 {
1399 if (ep != enc)
1253 } 1400 {
1401 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1254 1402
1403#ifdef HAVE_BG_PIXMAP
1404 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1405
1406 if (term->bgPixmap.pixmap
1407 && (bg == Color_transparent || bg == Color_bg
1408 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1409 {
1410 int src_x = x, src_y = y;
1411
1412 if (term->bgPixmap.flags & bgPixmap_t::isTransparent)
1413 {
1414 src_x += term->window_vt_x;
1415 src_y += term->window_vt_y;
1416 }
1417
1418 if (term->bgPixmap.pmap_width >= src_x + w
1419 && term->bgPixmap.pmap_height >= src_y + h)
1420 {
1421 XCopyArea (disp, term->bgPixmap.pixmap, d2, gc,
1422 src_x, src_y, w, h, 0, 0);
1423 }
1424 else
1425 {
1426 XGCValues gcv;
1427
1428 gcv.fill_style = FillTiled;
1429 gcv.tile = term->bgPixmap.pixmap;
1430 gcv.ts_x_origin = -src_x;
1431 gcv.ts_y_origin = -src_y;
1432
1433 XChangeGC (disp, gc,
1434 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1435 &gcv);
1436
1437 XFillRectangle (disp, d2, gc, 0, 0, w, h);
1438
1439 gcv.fill_style = FillSolid;
1440 XChangeGC (disp, gc, GCFillStyle, &gcv);
1441 }
1442
1443 if (dst)
1444 {
1445 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1446
1447 // dst can only be set when bg >= 0
1448 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1449 }
1450 }
1451 else
1452#endif
1453 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1454
1455 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1456 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1457 }
1255 else 1458 else
1256 { 1459 clear_rect (d, x, y, w, h, bg);
1257 *ep++ = gl;
1258 ewidth += cwidth;
1259 xoff += extents.xOff;
1260 }
1261 }
1262
1263 if (ep != enc)
1264 { 1460 }
1265 if (xoff > ewidth) xoff = ewidth; 1461 else
1266 XftDrawGlyphs (d, &r->pix_colors[fg].c, f,
1267 x + (ewidth - xoff >> 1),
1268 y + base, enc, ep - enc);
1269 } 1462 {
1463 clear_rect (d, x, y, w, h, bg);
1464 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1465 }
1270} 1466}
1467
1271#endif 1468#endif
1272 1469
1273///////////////////////////////////////////////////////////////////////////// 1470/////////////////////////////////////////////////////////////////////////////
1274 1471
1275rxvt_fontset::rxvt_fontset (rxvt_t r) 1472rxvt_fontset::rxvt_fontset (rxvt_term *term)
1276: r (r), fontdesc (0) 1473: fontdesc (0), term (term)
1277{ 1474{
1278 clear (); 1475 clear ();
1279} 1476}
1280 1477
1281rxvt_fontset::~rxvt_fontset () 1478rxvt_fontset::~rxvt_fontset ()
1284} 1481}
1285 1482
1286void 1483void
1287rxvt_fontset::clear () 1484rxvt_fontset::clear ()
1288{ 1485{
1289 prop.width = prop.height = prop.weight = prop.slant 1486 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1290 = rxvt_fontprop::unset; 1487 = rxvt_fontprop::unset;
1488 force_prop = false;
1291 1489
1292 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1490 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1293 FONT_UNREF (*i); 1491 (*i)->unref ();
1294 1492
1295 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1493 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1296 delete *p; 1494 delete *p;
1297 1495
1298 free (fontdesc); fontdesc = 0; 1496 free (fontdesc); fontdesc = 0;
1300 fonts.clear (); 1498 fonts.clear ();
1301 1499
1302 fallback = fallback_fonts; 1500 fallback = fallback_fonts;
1303} 1501}
1304 1502
1503void
1504rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1505{
1506 font->set_term (term);
1507
1508 font->cs = cs;
1509 font->loaded = false;
1510}
1511
1305rxvt_font * 1512rxvt_font *
1306rxvt_fontset::new_font (const char *name, codeset cs) 1513rxvt_fontset::new_font (const char *name, codeset cs)
1307{ 1514{
1308 rxvt_font *f; 1515 rxvt_font *f;
1309 1516
1310 if (!name || !*name) 1517 if (!name || !*name)
1311 { 1518 {
1312 name = ""; 1519 name = "";
1313 f = new rxvt_font_default (this); 1520 f = new rxvt_font_default (this);
1314 } 1521 }
1325 f = new rxvt_font_x11; 1532 f = new rxvt_font_x11;
1326 } 1533 }
1327 else 1534 else
1328 f = new rxvt_font_x11; 1535 f = new rxvt_font_x11;
1329 1536
1330 f->set_term (r);
1331 f->set_name (strdup (name)); 1537 f->set_name (strdup (name));
1332 1538 prepare_font (f, cs);
1333 f->cs = cs;
1334 f->loaded = false;
1335 1539
1336 return f; 1540 return f;
1337} 1541}
1338 1542
1339///////////////////////////////////////////////////////////////////////////// 1543/////////////////////////////////////////////////////////////////////////////
1544
1545void
1546rxvt_fontset::push_font (rxvt_font *font)
1547{
1548 // the fontCount index is reserved for the overflow font, it is only
1549 // necessary when we get fontCount or more fonts, as they cannot be
1550 // represented in the rendition.
1551 if (fonts.size () == fontCount)
1552 {
1553 rxvt_font *f = new rxvt_font_overflow (this);
1554
1555 prepare_font (f, CS_UNICODE);
1556 fonts.push_back (f);
1557 }
1558
1559 fonts.push_back (font);
1560}
1340 1561
1341void 1562void
1342rxvt_fontset::add_fonts (const char *desc) 1563rxvt_fontset::add_fonts (const char *desc)
1343{ 1564{
1344 if (desc) 1565 if (desc)
1346 char buf[512]; 1567 char buf[512];
1347 const char *end; 1568 const char *end;
1348 1569
1349 do 1570 do
1350 { 1571 {
1351 while (*desc <= ' ') desc++; 1572 while (*desc && *desc <= ' ')
1573 desc++;
1352 1574
1353 codeset cs = CS_UNICODE; 1575 codeset cs = CS_UNICODE;
1354 1576
1355 if (*desc == '[') 1577 if (*desc == '[')
1356 { 1578 {
1381 if (!end) 1603 if (!end)
1382 end = desc + strlen (desc); 1604 end = desc + strlen (desc);
1383 1605
1384 if (end - desc < 511) 1606 if (end - desc < 511)
1385 { 1607 {
1386 strncpy (buf, desc, end - desc); 1608 memcpy (buf, desc, end - desc);
1387 buf[end - desc] = 0; 1609 buf[end - desc] = 0;
1388 1610
1389 fonts.push_back (new_font (buf, cs)); 1611 push_font (new_font (buf, cs));
1390 } 1612 }
1391 else 1613 else
1392 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1614 rxvt_warn ("fontset element too long (>511 bytes), ignored.");
1393 1615
1394 desc = end + 1; 1616 desc = end + 1;
1406 if (fonts[i]->loaded) 1628 if (fonts[i]->loaded)
1407 return true; 1629 return true;
1408 1630
1409 fonts[i]->loaded = true; 1631 fonts[i]->loaded = true;
1410 1632
1411 if (!fonts[i]->load (prop)) 1633 if (!fonts[i]->load (prop, force_prop))
1412 { 1634 {
1413 fonts[i]->cs = CS_UNKNOWN; 1635 fonts[i]->cs = CS_UNKNOWN;
1414 return false; 1636 return false;
1415 } 1637 }
1416 1638
1422{ 1644{
1423 clear (); 1645 clear ();
1424 1646
1425 fontdesc = strdup (desc); 1647 fontdesc = strdup (desc);
1426 1648
1427 fonts.push_back (new_font (0, CS_UNICODE)); 1649 push_font (new_font (0, CS_UNICODE));
1428 realize_font (0); 1650 realize_font (0);
1429 1651
1430 add_fonts (desc); 1652 add_fonts (desc);
1431 1653
1432 return true; 1654 return true;
1441 1663
1442 return -1; 1664 return -1;
1443} 1665}
1444 1666
1445int 1667int
1446rxvt_fontset::find_font (unicode_t unicode) 1668rxvt_fontset::find_font_idx (unicode_t unicode)
1447{ 1669{
1448 if (unicode >= 1<<20) 1670 if (unicode >= 1<<20)
1449 return 0; 1671 return 0;
1450 1672
1451 unicode_t hi = unicode >> 8; 1673 unicode_t hi = unicode >> 8;
1466 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1688 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1467 goto next_font; 1689 goto next_font;
1468 1690
1469 if (!realize_font (i)) 1691 if (!realize_font (i))
1470 goto next_font; 1692 goto next_font;
1693
1694 if (prop.ascent != rxvt_fontprop::unset)
1695 max_it (f->ascent, prop.ascent);
1471 } 1696 }
1472 1697
1473 if (f->cs == CS_UNKNOWN) 1698 if (f->cs == CS_UNKNOWN)
1474 goto next_font; 1699 goto next_font;
1475 1700
1476 bool careful; 1701 bool careful;
1477 if (f->has_char (unicode, &prop, careful)) 1702 if (f->has_char (unicode, &prop, careful))
1478 { 1703 {
1479 if (careful) 1704 i = (i << 1) | careful;
1480 i |= 128;
1481 1705
1482 goto found; 1706 goto found;
1483 } 1707 }
1484 1708
1485 next_font: 1709 next_font:
1486 if (i == fonts.size () - 1) 1710 if (i == fonts.size () - 1)
1487 { 1711 {
1488 if (fallback->name) 1712 if (fallback->name)
1489 { 1713 {
1490 // search through the fallback list 1714 // search through the fallback list
1491 fonts.push_back (new_font (fallback->name, fallback->cs)); 1715 push_font (new_font (fallback->name, fallback->cs));
1492 fallback++; 1716 fallback++;
1493 } 1717 }
1494 else 1718 else
1495 { 1719 {
1496 // try to find a new font. 1720 // try to find a new font.
1514 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1738 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1515 FcPatternAddBool (p, FC_MINSPACE, 1); 1739 FcPatternAddBool (p, FC_MINSPACE, 1);
1516 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1740 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1517 1741
1518 XftResult result; 1742 XftResult result;
1519 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1743 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1520 1744
1521 FcPatternDestroy (p); 1745 FcPatternDestroy (p);
1522 1746
1523 if (match) 1747 if (match)
1524 { 1748 {
1527 FcPatternDestroy (match); 1751 FcPatternDestroy (match);
1528 1752
1529 if (find_font (font) < 0) 1753 if (find_font (font) < 0)
1530 { 1754 {
1531 char fontname[4096]; 1755 char fontname[4096];
1532 sprintf (fontname, "xft:%-.4090s", font); 1756 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1533 1757
1534 fonts.push_back (new_font (fontname, CS_UNICODE)); 1758 push_font (new_font (fontname, CS_UNICODE));
1535 } 1759 }
1536 1760
1537 free (font); 1761 free (font);
1538 } 1762 }
1539#endif 1763#endif
1561 } 1785 }
1562 1786
1563 return i; 1787 return i;
1564} 1788}
1565 1789
1566
1567

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