/* * This file is part of MPlayer. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "config.h" #include #include #include #include #include #include #include "font_load.h" #include "mp_msg.h" raw_file* load_raw(char *name,int verbose){ int bpp; raw_file* raw=malloc(sizeof(raw_file)); unsigned char head[32]; FILE *f=fopen(name,"rb"); if(!f) goto err_out; // can't open if(fread(head,32,1,f)<1) goto err_out; // too small if(memcmp(head,"mhwanh",6)) goto err_out; // not raw file raw->w=head[8]*256+head[9]; raw->h=head[10]*256+head[11]; raw->c=head[12]*256+head[13]; if(raw->w == 0) // 2 bytes were not enough for the width... read 4 bytes from the end of the header raw->w = ((head[28]*0x100 + head[29])*0x100 + head[30])*0x100 + head[31]; if(raw->c>256) goto err_out; // too many colors!? mp_msg(MSGT_OSD, MSGL_DBG2, "RAW: %s %d x %d, %d colors\n",name,raw->w,raw->h,raw->c); if(raw->c){ raw->pal=malloc(raw->c*3); fread(raw->pal,3,raw->c,f); bpp=1; } else { raw->pal=NULL; bpp=3; } raw->bmp=malloc(raw->h*raw->w*bpp); fread(raw->bmp,raw->h*raw->w*bpp,1,f); fclose(f); return raw; err_out: if (f) fclose(f); free(raw); return NULL; } extern int sub_unicode; font_desc_t* read_font_desc(const char* fname,float factor,int verbose){ unsigned char sor[1024]; unsigned char sor2[1024]; font_desc_t *desc; FILE *f = NULL; char *dn; //struct stat fstate; char section[64]; int i,j; int chardb=0; int fontdb=-1; int version=0; int first=1; desc=malloc(sizeof(font_desc_t));if(!desc) goto fail_out; memset(desc,0,sizeof(font_desc_t)); f=fopen(fname,"rt");if(!f){ mp_msg(MSGT_OSD, MSGL_V, "font: can't open file: %s\n",fname); goto fail_out;} i = strlen (fname) - 9; if ((dn = malloc(i+1))){ strncpy (dn, fname, i); dn[i]='\0'; } desc->fpath = dn; // search in the same dir as fonts.desc // desc->fpath=get_path("font/"); // if (stat(desc->fpath, &fstate)!=0) desc->fpath=DATADIR"/font"; // set up some defaults, and erase table desc->charspace=2; desc->spacewidth=12; desc->height=0; for(i=0;i<65536;i++) desc->start[i]=desc->width[i]=desc->font[i]=-1; section[0]=0; while(fgets(sor,1020,f)){ unsigned char* p[8]; int pdb=0; unsigned char *s=sor; unsigned char *d=sor2; int ec=' '; int id=0; sor[1020]=0; /* skip files that look like: TTF (0x00, 0x01), PFM (0x00, 0x01), PFB * (0x80, 0x01), PCF (0x01, 0x66), fon ("MZ"), gzipped (0x1f, 0x8b) */ if (first) { if (!sor[0] || sor[1] == 1 || (sor[0] == 'M' && sor[1] == 'Z') || (sor[0] == 0x1f && sor[1] == 0x8b) || (sor[0] == 1 && sor[1] == 0x66)) { mp_msg(MSGT_OSD, MSGL_ERR, "%s doesn't look like a bitmap font description, ignoring.\n", fname); goto fail_out; } first = 0; } p[0]=d;++pdb; while(1){ int c=*s++; if(c==0 || c==13 || c==10) break; if(!id){ if(c==39 || c==34){ id=c;continue;} // idezojel if(c==';' || c=='#') break; if(c==9) c=' '; if(c==' '){ if(ec==' ') continue; *d=0; ++d; p[pdb]=d;++pdb; if(pdb>=8) break; continue; } } else { if(id==c){ id=0;continue;} // idezojel } *d=c;d++; ec=c; } if(d==sor2) continue; // skip empty lines *d=0; // printf("params=%d sor=%s\n",pdb,sor); // for(i=0;i=16){ mp_msg(MSGT_OSD, MSGL_ERR, "font: Too many bitmaps defined.\n");goto fail_out;} } continue; } } if(strcmp(section,"[fpath]")==0){ if(pdb==1){ free (desc->fpath); // release previously allocated memory desc->fpath=strdup(p[0]); continue; } } else #ifdef __AMIGAOS4__ #define FONT_PATH_SEP "" #else //! path seperator for font paths, may not be more than one character #define FONT_PATH_SEP "/" #endif if(strcmp(section,"[files]")==0){ char *default_dir=MPLAYER_DATADIR FONT_PATH_SEP "font"; if(pdb==2 && strcmp(p[0],"alpha")==0){ char *cp; if (!(cp=malloc(strlen(desc->fpath)+strlen(p[1])+2))) goto fail_out; snprintf(cp,strlen(desc->fpath)+strlen(p[1])+2,"%s" FONT_PATH_SEP "%s", desc->fpath,p[1]); if(!((desc->pic_a[fontdb]=load_raw(cp,verbose)))){ free(cp); if (!(cp=malloc(strlen(default_dir)+strlen(p[1])+2))) goto fail_out; snprintf(cp,strlen(default_dir)+strlen(p[1])+2,"%s" FONT_PATH_SEP "%s", default_dir,p[1]); if (!((desc->pic_a[fontdb]=load_raw(cp,verbose)))){ mp_msg(MSGT_OSD, MSGL_ERR, "Can't load font bitmap: %s\n",p[1]); free(cp); goto fail_out; } } free(cp); continue; } if(pdb==2 && strcmp(p[0],"bitmap")==0){ char *cp; if (!(cp=malloc(strlen(desc->fpath)+strlen(p[1])+2))) goto fail_out; snprintf(cp,strlen(desc->fpath)+strlen(p[1])+2,"%s" FONT_PATH_SEP "%s", desc->fpath,p[1]); if(!((desc->pic_b[fontdb]=load_raw(cp,verbose)))){ free(cp); if (!(cp=malloc(strlen(default_dir)+strlen(p[1])+2))) goto fail_out; snprintf(cp,strlen(default_dir)+strlen(p[1])+2,"%s" FONT_PATH_SEP "%s", default_dir,p[1]); if (!((desc->pic_b[fontdb]=load_raw(cp,verbose)))){ mp_msg(MSGT_OSD, MSGL_ERR, "Can't load font bitmap: %s\n",p[1]); free(cp); goto fail_out; } } free(cp); continue; } } else if(strcmp(section,"[info]")==0){ if(pdb==2 && strcmp(p[0],"name")==0){ desc->name=strdup(p[1]); continue; } if(pdb==2 && strcmp(p[0],"descversion")==0){ version=atoi(p[1]); continue; } if(pdb==2 && strcmp(p[0],"spacewidth")==0){ desc->spacewidth=atoi(p[1]); continue; } if(pdb==2 && strcmp(p[0],"charspace")==0){ desc->charspace=atoi(p[1]); continue; } if(pdb==2 && strcmp(p[0],"height")==0){ desc->height=atoi(p[1]); continue; } } else if(strcmp(section,"[characters]")==0){ if(pdb==3){ int chr=p[0][0]; int start=atoi(p[1]); int end=atoi(p[2]); if(sub_unicode && (chr>=0x80)) chr=(chr<<8)+p[0][1]; else if(strlen(p[0])!=1) chr=strtol(p[0],NULL,0); if(endstart[chr]=start; desc->width[chr]=end-start+1; desc->font[chr]=fontdb; // printf("char %d '%c' start=%d width=%d\n",chr,chr,desc->start[chr],desc->width[chr]); ++chardb; } continue; } } mp_msg(MSGT_OSD, MSGL_ERR, "Syntax error in font desc: %s",sor); goto fail_out; } fclose(f); f = NULL; if (first == 1) { mp_msg(MSGT_OSD, MSGL_ERR, "%s is empty or a directory, ignoring.\n", fname); goto fail_out; } //printf("font: pos of U = %d\n",desc->start[218]); for(i=0;i<=fontdb;i++){ if(!desc->pic_a[i] || !desc->pic_b[i]){ mp_msg(MSGT_OSD, MSGL_ERR, "font: Missing bitmap(s) for sub-font #%d\n",i); goto fail_out; } //if(factor!=1.0f) { // re-sample alpha int f=factor*256.0f; int size=desc->pic_a[i]->w*desc->pic_a[i]->h; int j; mp_msg(MSGT_OSD, MSGL_DBG2, "font: resampling alpha by factor %5.3f (%d) ",factor,f);fflush(stdout); for(j=0;jpic_a[i]->bmp[j]; // alpha int y=desc->pic_b[i]->bmp[j]; // bitmap #ifdef FAST_OSD x=(x<(255-f))?0:1; #else x=255-((x*f)>>8); // scale //if(x<0) x=0; else if(x>255) x=255; //x^=255; // invert if(x+y>255) x=255-y; // to avoid overflows //x=0; //x=((x*f*(255-y))>>16); //x=((x*f*(255-y))>>16)+y; //x=(x*f)>>8;if(x=252) x=0; #endif desc->pic_a[i]->bmp[j]=x; // desc->pic_b[i]->bmp[j]=0; // hack } mp_msg(MSGT_OSD, MSGL_DBG2, "DONE!\n"); } if(!desc->height) desc->height=desc->pic_a[i]->h; } j='_';if(desc->font[j]<0) j='?'; for(i=0;i<65536;i++) if(desc->font[i]<0){ desc->start[i]=desc->start[j]; desc->width[i]=desc->width[j]; desc->font[i]=desc->font[j]; } desc->font[' ']=-1; desc->width[' ']=desc->spacewidth; mp_msg(MSGT_OSD, MSGL_V, "Bitmap font %s loaded successfully! (%d chars)\n",fname,chardb); return desc; fail_out: if (f) fclose(f); free(desc->fpath); free(desc->name); free(desc); return NULL; } #ifndef CONFIG_FREETYPE void render_one_glyph(font_desc_t *desc, int c) {} int kerning(font_desc_t *desc, int prevc, int c) { return 0; } #endif