Mercurial > otakunoraifu
annotate font/font_peer_x11.cc @ 55:f1a27ee7e03c
* started the same changes on scn2k_text.cc
* handle opcodes childObj*. In fact, it was handled (in a strange way, but it worked) before the previous changeset
author | thib |
---|---|
date | Wed, 22 Apr 2009 15:01:42 +0000 |
parents | 15a18fbe6f21 |
children | 4416cfac86ae |
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> | |
52 | 43 #include <iostream> |
0 | 44 |
52 | 45 #include <vector> |
46 #include <map> | |
47 | |
48 #include <sstream> | |
0 | 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]; | |
52 | 89 int minus_count = 0; |
90 bool is_skip = false; | |
91 int fc = 0; | |
0 | 92 for (i=0; fontname_orig[i]!=0; i++) { |
93 if (fontname_orig[i] == '-') { | |
94 minus_count++; | |
95 if (minus_count >= 7 && minus_count <= 12) { | |
96 fontname[fc++] = '-'; | |
97 fontname[fc++] = '*'; | |
98 is_skip = true; | |
99 } else { | |
100 is_skip = false; | |
101 } | |
102 } | |
103 if (! is_skip) fontname[fc++] = fontname_orig[i]; | |
104 } | |
105 /* ¥Õ¥©¥ó¥È¾ðÊó¤òÆÀ¤ë */ | |
106 fontname[fc] = 0; | |
107 int count; | |
108 char** fontnamelist = XListFonts(display, fontname, 100, &count); | |
109 for (i=0; i<count; i++) { | |
110 char* curfont = fontnamelist[i]; | |
111 /* fontname ¤«¤é pixel size ¾ðÊó¤òÆÀ¤ë */ | |
52 | 112 int j; |
113 int minus_count = 0; | |
0 | 114 for (j=0; curfont[j] != 0; j++) { |
115 if (curfont[j] == '-') minus_count++; | |
116 if (minus_count == 7) { | |
117 int pixsize = atoi(curfont+j+1); | |
118 if (fontlist.find(pixsize) == fontlist.end()) { | |
119 fontlist[pixsize] = string(curfont); | |
120 } | |
121 break; | |
122 } | |
123 } | |
124 } | |
125 /* ¸¡º÷¤Ë¼ºÇÔ¤·¤¿¾ì¹ç¡¢¤È¤ê¤¢¤¨¤º fontname ¤òÆþ¤ì¤Æ¤ª¤¯ */ | |
126 if (fontlist.find(0) == fontlist.end()) { | |
127 fontlist[0] = string(fontname); | |
128 } | |
129 XFreeFontNames(fontnamelist); | |
130 delete[] fontname; | |
131 return; | |
132 } | |
133 string FontInfo::Search(int pixsize) { | |
134 int i; | |
135 /* pixsize ¤Ë¶á¤¤¥Õ¥©¥ó¥È¤¬(¤¢¤ì¤Ð)µ¢¤¹ */ | |
136 if (fontlist.find(pixsize) != fontlist.end()) return fontlist[pixsize]; | |
137 for (i=1; i<4; i++) { | |
138 if (fontlist.find(pixsize-i) != fontlist.end()) return fontlist[pixsize-i]; | |
139 if (fontlist.find(pixsize+i) != fontlist.end()) return fontlist[pixsize+i]; | |
140 } | |
141 /* ¸«¤Ä¤«¤é¤Ê¤¤¡§fontlist[0] ¤ò²Ã¹©¤·¤Æµ¢¤¹ */ | |
142 /* pt/xres/yres ¤Ê¤É¤Î¥Õ¥£¡¼¥ë¥É¤Ë '-0-' ¤È¤¤¤¦¤Î¤¬¤¢¤ì¤Ð '-*-'¤ËÊÑ´¹ | |
143 ** pixsize ¤ÏÍ¿¤¨¤é¤ì¤¿ pixsize ¤Ë¤¹¤ë | |
144 */ | |
145 string basefont_s = fontlist[0]; | |
146 const char* basefont = basefont_s.c_str(); | |
147 char* retfont = new char[strlen(basefont)+50]; | |
52 | 148 int minus_count = 0; |
149 int rc = 0; | |
150 bool is_skip = false; | |
0 | 151 for (i=0; basefont[i] != 0; i++) { |
152 if (basefont[i] == '-') { | |
153 minus_count++; | |
154 is_skip = false; | |
155 if (minus_count == 7) { | |
156 sprintf(retfont+rc, "-%d", pixsize); | |
157 rc = strlen(retfont); | |
158 is_skip = true; | |
159 } else if (minus_count > 7 && minus_count <= 12) { | |
160 if (basefont[i+1] == '0' && basefont[i+2] == '-') { | |
161 retfont[rc++]='-'; | |
162 retfont[rc++]='*'; | |
163 is_skip = true; | |
164 } | |
165 } | |
166 } | |
167 if (! is_skip) retfont[rc++] = basefont[i]; | |
168 } | |
169 retfont[rc] = 0; | |
170 string retfont_str = string(retfont); | |
171 delete[] retfont; | |
172 return retfont_str; | |
173 } | |
174 | |
175 FontSetInfo::FontSetInfo(Display* display, const char* fontset_orig) { | |
176 char* fontset = new char[strlen(fontset_orig)+1]; | |
177 strcpy(fontset, fontset_orig); | |
178 char* cur = fontset; | |
179 while(strchr(cur, ',')) { | |
180 char* font = cur; | |
181 cur = strchr(cur, ','); | |
182 *cur++ = '\0'; | |
183 fontlist.push_back(new FontInfo(display, font)); | |
184 } | |
185 fontlist.push_back(new FontInfo(display, cur)); | |
186 delete[] fontset; | |
187 return; | |
188 } | |
189 FontSetInfo::~FontSetInfo() { | |
190 std::vector<FontInfo*>::iterator it; | |
191 for (it=fontlist.begin(); it != fontlist.end(); it++) { | |
192 delete (*it); | |
193 } | |
194 return; | |
195 } | |
196 string FontSetInfo::Search(int pixsize) { | |
197 stringstream s; | |
198 std::vector<FontInfo*>::iterator it; | |
199 for (it=fontlist.begin(); it != fontlist.end(); it++) { | |
200 if (it != fontlist.begin()) s << ","; | |
201 s << (*it)->Search(pixsize); | |
202 } | |
52 | 203 s << ends; |
0 | 204 return string(s.str()); |
205 } | |
206 | |
207 /**************************************** | |
208 ** | |
209 ** FontPeerX11 | |
210 */ | |
52 | 211 Display* PeerX11::display = NULL; |
0 | 212 void PeerX11::InitDisplay(Display* _d) { |
213 /* d = ((GdkWindowPrivate*)(top_window.gdkobj()))->xdisplay; */ | |
214 display = _d; | |
215 } | |
216 | |
217 void PeerX11::OpenDisplay(void) { | |
52 | 218 if (display != NULL) return; |
0 | 219 |
47
5f548e5957a8
* get rid of the "deprecated conversion from string constant to ‘char*’" warnings
thib
parents:
27
diff
changeset
|
220 const char* display_name = getenv("DISPLAY"); |
52 | 221 if (display_name == NULL) display_name = ":0"; |
0 | 222 |
223 display = XOpenDisplay(display_name); | |
224 | |
52 | 225 if (display == NULL) { |
0 | 226 string err = string("XKFont::PeerX11:OpenDisplay() : Cannot open X display ") + display_name; |
227 throw std::invalid_argument(err); | |
228 } | |
229 } | |
230 | |
231 inline int MAX(int a, int b) { | |
232 if (a > b) return a; | |
233 else return b; | |
234 } | |
235 | |
236 PeerX11::PeerX11(const char* fontname, int index, int fontsize, int _vsize) : | |
237 fontset(0), gc(0), canvas(0), image(0), colortable(0) { | |
238 OpenDisplay(); | |
239 | |
240 int scr = DefaultScreen(display); | |
241 Window w = RootWindow(display, scr); | |
242 Colormap cmap = DefaultColormap(display, scr); | |
243 visual = DefaultVisual(display, scr); | |
244 | |
245 if (visual->c_class != TrueColor && visual->c_class != DirectColor) { | |
246 string err = "XKFont::PeerX11:PeerX11() : No supported Color mode of X : neither TrueColor nor DirectColor"; | |
247 throw std::runtime_error(err); | |
248 } | |
249 /* ¿§¤Î½é´ü²½ */ | |
250 white = visual->red_mask | visual->green_mask | visual->blue_mask; | |
251 black = 0; | |
252 if (visual->green_mask == 0) { | |
253 string err = "XKFont::PeerX11:PeerX11() : Invalid Visual on X"; | |
254 throw std::runtime_error(err); | |
255 } | |
256 shift = 0; | |
257 mask = visual->green_mask; | |
258 while(mask & 0x01) { shift++; mask >>= 1; } | |
259 | |
260 int tablesize = mask+1; | |
261 colortable = new int[tablesize]; | |
52 | 262 int i; |
263 for (i=0; i< tablesize; i++) { | |
0 | 264 colortable[i] = i*255/tablesize; |
265 } | |
52 | 266 |
267 XSupportsLocale(); //FIXME: er... yes? | |
0 | 268 |
269 /* font Æɤ߹þ¤ß */ | |
270 FontSetInfo fsinfo(display,fontname); | |
271 string fontset_name = fsinfo.Search(fontsize); | |
52 | 272 char** missing_cl; |
273 int missing_cc; | |
274 char* def_s; | |
0 | 275 printf("fontset %s\n",fontset_name.c_str()); |
276 fontset = XCreateFontSet(display, fontset_name.c_str(), &missing_cl, &missing_cc, &def_s); | |
277 | |
278 if (fontset == 0) { | |
279 delete[] colortable; | |
280 string err = string("XKFont::PeerX11:PeerX11() : Cannot create fontset "); | |
281 err += fontset_name; err += " (font name "; err += fontname; err += ")"; | |
282 throw std::invalid_argument(err); | |
283 } | |
284 | |
285 if (missing_cc != 0) { | |
286 cerr << "XKFont::PeerX11:PeerX11() : Cannot found some fonts in the fontset"<<endl; | |
287 cerr << " fontset: "<<fontset_name<<endl; | |
288 cerr << " not found fonts:"<<endl; | |
289 int i; for (i=0; i<missing_cc; i++) { | |
290 cerr << " " << missing_cl[i] << endl; | |
291 } | |
292 } | |
293 | |
294 XFontSetExtents* extents = XExtentsOfFontSet(fontset); | |
295 | |
296 width = extents->max_ink_extent.width; | |
297 height = extents->max_ink_extent.height; | |
298 | |
299 /* calculate ascent / descent */ | |
300 XFontStruct** font_structs; char** font_names; | |
301 int num_fonts = XFontsOfFontSet(fontset, &font_structs, &font_names); | |
302 printf("locale %s\n",XLocaleOfOM(XOMOfOC(fontset))); | |
303 | |
304 ascent = 0; | |
305 for (i=0; i<num_fonts; i++) { | |
306 ascent = MAX(ascent, font_structs[i]->ascent); | |
307 } | |
308 | |
309 /* ÉÁ²èÍѤΠpixmap ¤òºîÀ® */ | |
52 | 310 XGCValues gc_values; |
311 unsigned int gc_values_mask; | |
0 | 312 gc_values.function = GXcopy; |
313 gc_values.fill_style = FillSolid; | |
314 gc_values.arc_mode = ArcPieSlice; | |
315 gc_values.subwindow_mode = ClipByChildren; | |
316 gc_values.graphics_exposures = False; | |
317 gc_values.foreground = white; | |
318 gc_values.background = black; | |
319 gc_values_mask = GCFunction | GCFillStyle | GCArcMode | GCSubwindowMode | GCGraphicsExposures | GCForeground | GCBackground; | |
320 gc = XCreateGC(display, w, gc_values_mask, &gc_values); | |
321 | |
322 canvas = XCreatePixmap(display, w, width, height, DefaultDepth(display, scr)); | |
323 | |
324 /* ¥¤¥á¡¼¥¸Å¾Á÷ÍѤΠimage ¤ÎºîÀ® */ | |
325 int ignore; | |
326 use_shm = false; | |
327 if (XShmQueryExtension(display) == True) { | |
328 x_shm_info.shmid = -1; | |
329 x_shm_info.shmaddr = (char*)-1; | |
330 image = XShmCreateImage(display, visual, DefaultDepth(display, scr), ZPixmap, NULL, &x_shm_info, width, height); | |
52 | 331 if (image != NULL) { |
0 | 332 x_shm_info.shmid = shmget(IPC_PRIVATE, image->bytes_per_line*image->height, IPC_CREAT | 0600); |
333 if (x_shm_info.shmid == -1) { | |
334 XDestroyImage(image); | |
52 | 335 image = NULL; |
0 | 336 goto no_shm; |
337 } | |
338 x_shm_info.readOnly = False; | |
339 x_shm_info.shmaddr = (char*) shmat(x_shm_info.shmid, 0, 0); | |
340 image->data = x_shm_info.shmaddr; | |
341 if (x_shm_info.shmaddr == (char*) -1) { | |
342 XDestroyImage(image); | |
343 shmctl(x_shm_info.shmid, IPC_RMID, 0); | |
344 image = 0; | |
345 goto no_shm; | |
346 } | |
347 XShmAttach(display, &x_shm_info); | |
348 XSync(display, False); | |
349 shmctl(x_shm_info.shmid, IPC_RMID, 0); | |
350 use_shm = true; | |
351 } | |
352 } | |
52 | 353 no_shm: //TODO: Understand why he did it, and supress it if needed |
0 | 354 if (image == 0) { |
355 use_shm = false; | |
356 image = XCreateImage(display, visual, DefaultDepth(display, scr), ZPixmap, 0, 0, width, height, 32, 0); | |
357 image->data = (char*)malloc(image->bytes_per_line * image->height); | |
52 | 358 if (image->data == NULL) { |
0 | 359 XDestroyImage(image); |
52 | 360 image = NULL; |
0 | 361 throw bad_alloc(); |
362 } | |
363 } | |
52 | 364 |
365 Glyph g; | |
366 GlyphCreate(0xa1a2, &g); //FIXME: Two calls? Huh? | |
367 GlyphCreate(0xa4a3, &g); | |
0 | 368 } |
369 | |
370 PeerX11::~PeerX11() { | |
371 if (display) { | |
372 if (fontset) XFreeFontSet(display, fontset); | |
373 if (gc) XFlushGC(display, gc); | |
374 if (canvas) XFreePixmap(display, canvas); | |
375 if (image) { | |
376 if (use_shm) XShmDetach(display, &x_shm_info); | |
377 XDestroyImage(image); | |
378 if (use_shm) shmdt(x_shm_info.shmaddr); | |
379 } | |
380 if (colortable) delete[] colortable; | |
381 } | |
382 } | |
383 | |
384 bool PeerX11::GlyphCreate(unsigned int code, Glyph* glyph) { | |
385 XRectangle ink, logic; | |
386 | |
387 char str[3]={0,0,0}; | |
388 | |
389 if ( (code>>8)&0xff){ | |
390 str[0]=code>>8; | |
391 str[1]=code & 0xff; | |
392 } else { | |
393 str[0]=code; | |
394 } | |
395 | |
396 XmbTextExtents(fontset, str, strlen(str),&ink,&logic); | |
397 int cwidth = logic.width; | |
398 XmbDrawImageString(display, canvas, fontset, gc, 0, -logic.y, str, strlen(str)); | |
399 if (use_shm) { | |
400 XShmGetImage(display, canvas, image, 0, 0, AllPlanes); | |
401 } else { | |
402 XGetSubImage(display, canvas, 0, 0, width, height, AllPlanes, ZPixmap, image, 0, 0); | |
403 } | |
404 XSync(display, False); | |
405 glyph->bitmap.buffer = new unsigned char[logic.width*logic.height]; | |
406 int i; | |
407 unsigned char* mem = (unsigned char*) image->data; | |
408 unsigned char* dest = glyph->bitmap.buffer; | |
409 int bpp = image->bytes_per_line/width; | |
410 int bpl = image->bytes_per_line; | |
52 | 411 for (i=0; i < logic.height; i++) { |
0 | 412 unsigned char* m = mem; |
413 int j; for (j=0; j<cwidth; j++) { | |
414 *dest = colortable[((read_little_endian_int((char*)m))>>shift) & mask]; | |
415 dest++; | |
416 m += bpp; | |
417 } | |
418 mem += bpl; | |
419 } | |
420 glyph->bitmap_left = logic.x; | |
421 glyph->bitmap_top = -logic.y; | |
422 glyph->bitmap.width = logic.width; | |
423 glyph->bitmap.rows = logic.height; | |
424 glyph->advance.x = logic.width + 1; | |
425 glyph->advance.y = logic.height+ 1; | |
426 | |
427 return true; | |
428 } | |
429 }; | |
430 | |
431 #endif /* USE_X11 */ |