Mercurial > otakunoraifu
annotate font/font_peer_x11.cc @ 50:35ce1a30f3f9
* Added va_end where there is a va_start
* Used NULL instead of 0 (so it works on 64b)
author | thib |
---|---|
date | Fri, 17 Apr 2009 18:38:06 +0000 |
parents | 5f548e5957a8 |
children | 15a18fbe6f21 |
rev | line source |
---|---|
0 | 1 /* |
27 | 2 * Copyright (c) 2004 Kazunori "jagarl" Ueno |
0 | 3 * Copyright (c) 2000, 2001 Yuki Sawada |
4 * All rights reserved. | |
5 * | |
6 * Redistribution and use in source and binary forms, with or without | |
7 * modification, are permitted provided that the following conditions | |
8 * are met: | |
9 * 1. Redistributions of source code must retain the above copyright | |
10 * notice, this list of conditions and the following disclaimer. | |
11 * 2. Redistributions in binary form must reproduce the above copyright | |
12 * notice, this list of conditions and the following disclaimer in the | |
13 * documentation and/or other materials provided with the distribution. | |
14 * 3. The name of the author may not be used to endorse or promote products | |
15 * derived from this software without specific prior written permission. | |
16 * | |
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 */ | |
28 | |
29 #include <stdlib.h> | |
30 | |
31 #include "font.h" | |
32 #include "font_peer.h" | |
33 | |
34 #if USE_X11 | |
35 | |
36 #include <sys/ipc.h> | |
37 #include <sys/shm.h> | |
38 | |
39 #include <X11/Xlib.h> | |
40 #include <X11/Xutil.h> | |
41 #include <X11/extensions/XShm.h> | |
42 #include <stdio.h> | |
43 #include<iostream> | |
44 | |
45 #include<vector> | |
46 #include<map> | |
47 //#include<iostream> | |
48 #include<sstream> | |
49 #include <string> | |
50 #include <stdexcept> | |
51 | |
52 using namespace std; | |
53 | |
54 namespace XKFont { | |
55 inline int read_little_endian_int(const char* buf) { | |
56 const unsigned char *p = (const unsigned char *) buf; | |
57 return (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]; | |
58 } | |
59 | |
60 /*********************************** | |
61 ** | |
62 ** Fontinfo / FontSetInfo | |
63 ** | |
64 ** fontset ¤«¤éÆÃÄê pixel size ¤ò»ý¤Ä | |
65 ** Ê̤Îfontset¤òºîÀ®¤¹¤ë¤¿¤á¤Î¥¯¥é¥¹ | |
66 */ | |
67 struct FontInfo { | |
68 std::map<int, string> fontlist; | |
69 FontInfo(Display* display, const char* fontname_orig); | |
70 string Search(int pixsize); | |
71 }; | |
72 struct FontSetInfo { | |
73 std::vector<FontInfo*> fontlist; | |
74 FontSetInfo(Display* display, const char* fontset_orig); | |
75 string Search(int pixsize); | |
76 ~FontSetInfo(); | |
77 }; | |
78 | |
79 | |
80 /*********************************** | |
81 ** | |
82 ** Methods of Fontinfo / FontSetInfo | |
83 ** | |
84 */ | |
85 FontInfo::FontInfo(Display* display, const char* fontname_orig) { | |
86 /* ¥Õ¥©¥ó¥È¤ÎÂ礤µ´Ø·¸¤Î¾ðÊó¤ò¾Ãµî */ | |
87 int i; | |
88 char* fontname = new char[strlen(fontname_orig)+50]; | |
89 int minus_count = 0; bool is_skip = false; int fc = 0; | |
90 for (i=0; fontname_orig[i]!=0; i++) { | |
91 if (fontname_orig[i] == '-') { | |
92 minus_count++; | |
93 if (minus_count >= 7 && minus_count <= 12) { | |
94 fontname[fc++] = '-'; | |
95 fontname[fc++] = '*'; | |
96 is_skip = true; | |
97 } else { | |
98 is_skip = false; | |
99 } | |
100 } | |
101 if (! is_skip) fontname[fc++] = fontname_orig[i]; | |
102 } | |
103 /* ¥Õ¥©¥ó¥È¾ðÊó¤òÆÀ¤ë */ | |
104 fontname[fc] = 0; | |
105 int count; | |
106 char** fontnamelist = XListFonts(display, fontname, 100, &count); | |
107 for (i=0; i<count; i++) { | |
108 char* curfont = fontnamelist[i]; | |
109 /* fontname ¤«¤é pixel size ¾ðÊó¤òÆÀ¤ë */ | |
110 int j; int minus_count = 0; | |
111 for (j=0; curfont[j] != 0; j++) { | |
112 if (curfont[j] == '-') minus_count++; | |
113 if (minus_count == 7) { | |
114 int pixsize = atoi(curfont+j+1); | |
115 if (fontlist.find(pixsize) == fontlist.end()) { | |
116 fontlist[pixsize] = string(curfont); | |
117 } | |
118 break; | |
119 } | |
120 } | |
121 } | |
122 /* ¸¡º÷¤Ë¼ºÇÔ¤·¤¿¾ì¹ç¡¢¤È¤ê¤¢¤¨¤º fontname ¤òÆþ¤ì¤Æ¤ª¤¯ */ | |
123 if (fontlist.find(0) == fontlist.end()) { | |
124 fontlist[0] = string(fontname); | |
125 } | |
126 XFreeFontNames(fontnamelist); | |
127 delete[] fontname; | |
128 return; | |
129 } | |
130 string FontInfo::Search(int pixsize) { | |
131 int i; | |
132 /* pixsize ¤Ë¶á¤¤¥Õ¥©¥ó¥È¤¬(¤¢¤ì¤Ð)µ¢¤¹ */ | |
133 if (fontlist.find(pixsize) != fontlist.end()) return fontlist[pixsize]; | |
134 for (i=1; i<4; i++) { | |
135 if (fontlist.find(pixsize-i) != fontlist.end()) return fontlist[pixsize-i]; | |
136 if (fontlist.find(pixsize+i) != fontlist.end()) return fontlist[pixsize+i]; | |
137 } | |
138 /* ¸«¤Ä¤«¤é¤Ê¤¤¡§fontlist[0] ¤ò²Ã¹©¤·¤Æµ¢¤¹ */ | |
139 /* pt/xres/yres ¤Ê¤É¤Î¥Õ¥£¡¼¥ë¥É¤Ë '-0-' ¤È¤¤¤¦¤Î¤¬¤¢¤ì¤Ð '-*-'¤ËÊÑ´¹ | |
140 ** pixsize ¤ÏÍ¿¤¨¤é¤ì¤¿ pixsize ¤Ë¤¹¤ë | |
141 */ | |
142 string basefont_s = fontlist[0]; | |
143 const char* basefont = basefont_s.c_str(); | |
144 char* retfont = new char[strlen(basefont)+50]; | |
145 int minus_count = 0; int rc = 0; bool is_skip = false; | |
146 for (i=0; basefont[i] != 0; i++) { | |
147 if (basefont[i] == '-') { | |
148 minus_count++; | |
149 is_skip = false; | |
150 if (minus_count == 7) { | |
151 sprintf(retfont+rc, "-%d", pixsize); | |
152 rc = strlen(retfont); | |
153 is_skip = true; | |
154 } else if (minus_count > 7 && minus_count <= 12) { | |
155 if (basefont[i+1] == '0' && basefont[i+2] == '-') { | |
156 retfont[rc++]='-'; | |
157 retfont[rc++]='*'; | |
158 is_skip = true; | |
159 } | |
160 } | |
161 } | |
162 if (! is_skip) retfont[rc++] = basefont[i]; | |
163 } | |
164 retfont[rc] = 0; | |
165 string retfont_str = string(retfont); | |
166 delete[] retfont; | |
167 return retfont_str; | |
168 } | |
169 | |
170 FontSetInfo::FontSetInfo(Display* display, const char* fontset_orig) { | |
171 char* fontset = new char[strlen(fontset_orig)+1]; | |
172 strcpy(fontset, fontset_orig); | |
173 char* cur = fontset; | |
174 while(strchr(cur, ',')) { | |
175 char* font = cur; | |
176 cur = strchr(cur, ','); | |
177 *cur++ = '\0'; | |
178 fontlist.push_back(new FontInfo(display, font)); | |
179 } | |
180 fontlist.push_back(new FontInfo(display, cur)); | |
181 delete[] fontset; | |
182 return; | |
183 } | |
184 FontSetInfo::~FontSetInfo() { | |
185 std::vector<FontInfo*>::iterator it; | |
186 for (it=fontlist.begin(); it != fontlist.end(); it++) { | |
187 delete (*it); | |
188 } | |
189 return; | |
190 } | |
191 string FontSetInfo::Search(int pixsize) { | |
192 stringstream s; | |
193 std::vector<FontInfo*>::iterator it; | |
194 for (it=fontlist.begin(); it != fontlist.end(); it++) { | |
195 if (it != fontlist.begin()) s << ","; | |
196 s << (*it)->Search(pixsize); | |
197 } | |
198 s<<ends; | |
199 return string(s.str()); | |
200 } | |
201 | |
202 /**************************************** | |
203 ** | |
204 ** FontPeerX11 | |
205 */ | |
206 Display* PeerX11::display = 0; | |
207 void PeerX11::InitDisplay(Display* _d) { | |
208 /* d = ((GdkWindowPrivate*)(top_window.gdkobj()))->xdisplay; */ | |
209 display = _d; | |
210 } | |
211 | |
212 void PeerX11::OpenDisplay(void) { | |
213 if (display) return; | |
214 | |
47
5f548e5957a8
* get rid of the "deprecated conversion from string constant to ‘char*’" warnings
thib
parents:
27
diff
changeset
|
215 const char* display_name = getenv("DISPLAY"); |
0 | 216 if (display_name == 0) display_name = ":0"; |
217 | |
218 display = XOpenDisplay(display_name); | |
219 | |
220 if (display == 0) { | |
221 string err = string("XKFont::PeerX11:OpenDisplay() : Cannot open X display ") + display_name; | |
222 throw std::invalid_argument(err); | |
223 } | |
224 } | |
225 | |
226 inline int MAX(int a, int b) { | |
227 if (a > b) return a; | |
228 else return b; | |
229 } | |
230 | |
231 PeerX11::PeerX11(const char* fontname, int index, int fontsize, int _vsize) : | |
232 fontset(0), gc(0), canvas(0), image(0), colortable(0) { | |
233 OpenDisplay(); | |
234 | |
235 int scr = DefaultScreen(display); | |
236 Window w = RootWindow(display, scr); | |
237 Colormap cmap = DefaultColormap(display, scr); | |
238 visual = DefaultVisual(display, scr); | |
239 | |
240 if (visual->c_class != TrueColor && visual->c_class != DirectColor) { | |
241 string err = "XKFont::PeerX11:PeerX11() : No supported Color mode of X : neither TrueColor nor DirectColor"; | |
242 throw std::runtime_error(err); | |
243 } | |
244 /* ¿§¤Î½é´ü²½ */ | |
245 white = visual->red_mask | visual->green_mask | visual->blue_mask; | |
246 black = 0; | |
247 if (visual->green_mask == 0) { | |
248 string err = "XKFont::PeerX11:PeerX11() : Invalid Visual on X"; | |
249 throw std::runtime_error(err); | |
250 } | |
251 shift = 0; | |
252 mask = visual->green_mask; | |
253 while(mask & 0x01) { shift++; mask >>= 1; } | |
254 | |
255 int tablesize = mask+1; | |
256 colortable = new int[tablesize]; | |
257 int i; for (i=0; i< tablesize; i++) { | |
258 colortable[i] = i*255/tablesize; | |
259 } | |
260 XSupportsLocale(); | |
261 | |
262 /* font Æɤ߹þ¤ß */ | |
263 FontSetInfo fsinfo(display,fontname); | |
264 string fontset_name = fsinfo.Search(fontsize); | |
265 char** missing_cl; int missing_cc; char* def_s; | |
266 printf("fontset %s\n",fontset_name.c_str()); | |
267 fontset = XCreateFontSet(display, fontset_name.c_str(), &missing_cl, &missing_cc, &def_s); | |
268 | |
269 if (fontset == 0) { | |
270 delete[] colortable; | |
271 string err = string("XKFont::PeerX11:PeerX11() : Cannot create fontset "); | |
272 err += fontset_name; err += " (font name "; err += fontname; err += ")"; | |
273 throw std::invalid_argument(err); | |
274 } | |
275 | |
276 if (missing_cc != 0) { | |
277 cerr << "XKFont::PeerX11:PeerX11() : Cannot found some fonts in the fontset"<<endl; | |
278 cerr << " fontset: "<<fontset_name<<endl; | |
279 cerr << " not found fonts:"<<endl; | |
280 int i; for (i=0; i<missing_cc; i++) { | |
281 cerr << " " << missing_cl[i] << endl; | |
282 } | |
283 } | |
284 | |
285 XFontSetExtents* extents = XExtentsOfFontSet(fontset); | |
286 | |
287 width = extents->max_ink_extent.width; | |
288 height = extents->max_ink_extent.height; | |
289 | |
290 /* calculate ascent / descent */ | |
291 XFontStruct** font_structs; char** font_names; | |
292 int num_fonts = XFontsOfFontSet(fontset, &font_structs, &font_names); | |
293 printf("locale %s\n",XLocaleOfOM(XOMOfOC(fontset))); | |
294 | |
295 ascent = 0; | |
296 for (i=0; i<num_fonts; i++) { | |
297 ascent = MAX(ascent, font_structs[i]->ascent); | |
298 } | |
299 | |
300 /* ÉÁ²èÍѤΠpixmap ¤òºîÀ® */ | |
301 XGCValues gc_values; unsigned int gc_values_mask; | |
302 gc_values.function = GXcopy; | |
303 gc_values.fill_style = FillSolid; | |
304 gc_values.arc_mode = ArcPieSlice; | |
305 gc_values.subwindow_mode = ClipByChildren; | |
306 gc_values.graphics_exposures = False; | |
307 gc_values.foreground = white; | |
308 gc_values.background = black; | |
309 gc_values_mask = GCFunction | GCFillStyle | GCArcMode | GCSubwindowMode | GCGraphicsExposures | GCForeground | GCBackground; | |
310 gc = XCreateGC(display, w, gc_values_mask, &gc_values); | |
311 | |
312 canvas = XCreatePixmap(display, w, width, height, DefaultDepth(display, scr)); | |
313 | |
314 /* ¥¤¥á¡¼¥¸Å¾Á÷ÍѤΠimage ¤ÎºîÀ® */ | |
315 int ignore; | |
316 use_shm = false; | |
317 if (XShmQueryExtension(display) == True) { | |
318 x_shm_info.shmid = -1; | |
319 x_shm_info.shmaddr = (char*)-1; | |
320 image = XShmCreateImage(display, visual, DefaultDepth(display, scr), ZPixmap, NULL, &x_shm_info, width, height); | |
321 if (image) { | |
322 x_shm_info.shmid = shmget(IPC_PRIVATE, image->bytes_per_line*image->height, IPC_CREAT | 0600); | |
323 if (x_shm_info.shmid == -1) { | |
324 XDestroyImage(image); | |
325 image = 0; | |
326 goto no_shm; | |
327 } | |
328 x_shm_info.readOnly = False; | |
329 x_shm_info.shmaddr = (char*) shmat(x_shm_info.shmid, 0, 0); | |
330 image->data = x_shm_info.shmaddr; | |
331 if (x_shm_info.shmaddr == (char*) -1) { | |
332 XDestroyImage(image); | |
333 shmctl(x_shm_info.shmid, IPC_RMID, 0); | |
334 image = 0; | |
335 goto no_shm; | |
336 } | |
337 XShmAttach(display, &x_shm_info); | |
338 XSync(display, False); | |
339 shmctl(x_shm_info.shmid, IPC_RMID, 0); | |
340 use_shm = true; | |
341 } | |
342 } | |
343 no_shm: | |
344 if (image == 0) { | |
345 use_shm = false; | |
346 image = XCreateImage(display, visual, DefaultDepth(display, scr), ZPixmap, 0, 0, width, height, 32, 0); | |
347 image->data = (char*)malloc(image->bytes_per_line * image->height); | |
348 if (image->data == 0) { | |
349 XDestroyImage(image); | |
350 image = 0; | |
351 throw bad_alloc(); | |
352 } | |
353 } | |
354 Glyph g; | |
355 GlyphCreate(0xa1a2,&g); | |
356 GlyphCreate(0xa4a3,&g); | |
357 } | |
358 | |
359 PeerX11::~PeerX11() { | |
360 if (display) { | |
361 if (fontset) XFreeFontSet(display, fontset); | |
362 if (gc) XFlushGC(display, gc); | |
363 if (canvas) XFreePixmap(display, canvas); | |
364 if (image) { | |
365 if (use_shm) XShmDetach(display, &x_shm_info); | |
366 XDestroyImage(image); | |
367 if (use_shm) shmdt(x_shm_info.shmaddr); | |
368 } | |
369 if (colortable) delete[] colortable; | |
370 } | |
371 } | |
372 | |
373 bool PeerX11::GlyphCreate(unsigned int code, Glyph* glyph) { | |
374 XRectangle ink, logic; | |
375 | |
376 char str[3]={0,0,0}; | |
377 | |
378 if ( (code>>8)&0xff){ | |
379 str[0]=code>>8; | |
380 str[1]=code & 0xff; | |
381 } else { | |
382 str[0]=code; | |
383 } | |
384 | |
385 XmbTextExtents(fontset, str, strlen(str),&ink,&logic); | |
386 int cwidth = logic.width; | |
387 XmbDrawImageString(display, canvas, fontset, gc, 0, -logic.y, str, strlen(str)); | |
388 if (use_shm) { | |
389 XShmGetImage(display, canvas, image, 0, 0, AllPlanes); | |
390 } else { | |
391 XGetSubImage(display, canvas, 0, 0, width, height, AllPlanes, ZPixmap, image, 0, 0); | |
392 } | |
393 XSync(display, False); | |
394 glyph->bitmap.buffer = new unsigned char[logic.width*logic.height]; | |
395 int i; | |
396 unsigned char* mem = (unsigned char*) image->data; | |
397 unsigned char* dest = glyph->bitmap.buffer; | |
398 int bpp = image->bytes_per_line/width; | |
399 int bpl = image->bytes_per_line; | |
400 for (i=0; i<logic.height; i++) { | |
401 unsigned char* m = mem; | |
402 int j; for (j=0; j<cwidth; j++) { | |
403 *dest = colortable[((read_little_endian_int((char*)m))>>shift) & mask]; | |
404 dest++; | |
405 m += bpp; | |
406 } | |
407 mem += bpl; | |
408 } | |
409 glyph->bitmap_left = logic.x; | |
410 glyph->bitmap_top = -logic.y; | |
411 glyph->bitmap.width = logic.width; | |
412 glyph->bitmap.rows = logic.height; | |
413 glyph->advance.x = logic.width + 1; | |
414 glyph->advance.y = logic.height+ 1; | |
415 | |
416 return true; | |
417 } | |
418 }; | |
419 | |
420 #endif /* USE_X11 */ |