Mercurial > otakunoraifu
annotate font/font_peer_x11.cc @ 65:4416cfac86ae
Convert EUC-JP files to UTF8
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Fri, 26 Nov 2010 10:53:15 +0100 |
| parents | 15a18fbe6f21 |
| children |
| 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 ** | |
|
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64 ** fontset から特定 pixel size を持つ |
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Convert EUC-JP files to UTF8
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65 ** 別のfontsetを作成するためのクラス |
| 0 | 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) { | |
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86 /* フォントの大きさ関係の情報を消去 */ |
| 0 | 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 } | |
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105 /* フォント情報を得る */ |
| 0 | 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]; | |
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111 /* fontname から pixel size 情報を得る */ |
| 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 } | |
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Convert EUC-JP files to UTF8
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125 /* 検索に失敗した場合、とりあえず fontname を入れておく */ |
| 0 | 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; | |
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Convert EUC-JP files to UTF8
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135 /* pixsize に近いフォントが(あれば)帰す */ |
| 0 | 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 } | |
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141 /* 見つからない：fontlist[0] を加工して帰す */ |
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142 /* pt/xres/yres などのフィールドに '-0-' というのがあれば '-*-'に変換 |
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Convert EUC-JP files to UTF8
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parents:
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diff
changeset
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143 ** pixsize は与えられた pixsize にする |
| 0 | 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 |
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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 } | |
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Convert EUC-JP files to UTF8
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parents:
52
diff
changeset
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249 /* 色の初期化 */ |
| 0 | 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 |
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Convert EUC-JP files to UTF8
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parents:
52
diff
changeset
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269 /* font 読み込み */ |
| 0 | 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 | |
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Convert EUC-JP files to UTF8
Thibaut Girka <thib@sitedethib.com>
parents:
52
diff
changeset
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309 /* 描画用の pixmap を作成 */ |
| 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 | |
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Convert EUC-JP files to UTF8
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parents:
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diff
changeset
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324 /* イメージ転送用の image の作成 */ |
| 0 | 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 */ |