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/* dumpfont.c
Example for font handling
This tool dumps font information into C files
which can be included to rfxswf applications.
This is an easy way for developers to use
fonts in applications without dealing with
external files.
Usage: ./dumpfont filename.swf > myfont.c
Part of the swftools package.
Copyright (c) 2000, 2001 Rainer Böhme <rfxswf@reflex-studio.de>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include "../rfxswf.h"
#define PRINTABLE(a) (((a>0x20)&&(a<0xff)&&(a!='\\'))?a:0x20)
SWF swf;
void DumpFont(SWFFONT * f,char * name)
{ int n,i;
int*gpos = malloc(sizeof(int*)*f->numchars);
memset(gpos,0,sizeof(int*)*f->numchars);
// Glyph Shapes Data
n = 0;
printf("U8 Glyphs_%s[] = {\n\t ",name);
for (i=0;i<f->numchars;i++)
if (f->glyph[i].shape)
{ SHAPE * s = f->glyph[i].shape;
int j,l = (s->bitlen+7)/8;
gpos[i] = n;
for (j=0;j<l;j++)
{ printf("0x%02x, ",s->data[j]);
if ((n&7)==7) printf("\n\t ");
n++;
}
}
printf("0x00 };\n");
// SWFFONT function
printf("\nSWFFONT * Font_%s(U16 id)\n",name);
printf("{ SWFFONT * f;\n int i;\n\n");
printf(" if (!(f=malloc(sizeof(SWFFONT)))) return NULL;\n");
printf(" memset(f,0x00,sizeof(SWFFONT));\n");
printf(" f->id = id;\n");
printf(" f->version = %d;\n", f->version);
printf(" f->name = strdup(\"%s\");\n",f->name);
printf(" f->style = 0x%02x;\n",f->style);
printf(" f->encoding = 0x%02x;\n",f->encoding);
printf(" f->numchars = %d;\n",f->numchars);
printf(" f->maxascii = %d;\n",f->maxascii);
printf(" f->glyph = (SWFGLYPH*)malloc(sizeof(SWFGLYPH)*%d);\n",f->numchars);
printf(" f->glyph2ascii = (U16*)malloc(sizeof(U16)*%d);\n",f->numchars);
printf(" f->ascii2glyph = (int*)malloc(sizeof(int)*%d);\n",f->maxascii);
printf(" memset(f->ascii2glyph, -1, sizeof(int)*%d);\n\n", f->maxascii);
if(f->layout) {
printf(" f->layout = (SWFLAYOUT*)malloc(sizeof(SWFLAYOUT));\n");
printf(" f->layout->ascent = %d;\n", f->layout->ascent);
printf(" f->layout->descent = %d;\n", f->layout->descent);
printf(" f->layout->leading = %d;\n", f->layout->leading);
printf(" f->layout->kerningcount = 0;\n");
printf(" f->layout->kerning = 0;\n");
printf(" f->layout->bounds = (SRECT*)malloc(sizeof(SRECT)*%d);\n", f->numchars);
printf(" memset(f->layout->bounds, 0, sizeof(SRECT)*%d);\n\n", f->numchars);
}
for (i=0;i<f->numchars;i++)
if (f->glyph[i].shape)
{
printf(" addGlyph(f,%3i, 0x%03x,%4i, &Glyphs_%s[0x%04x], %4i, ",
i, f->glyph2ascii[i], f->glyph[i].advance, name, gpos[i],
f->glyph[i].shape->bitlen);
if(f->layout && f->layout->bounds) {
printf("%d, %d, %d, %d);",
f->layout->bounds[i].xmin,
f->layout->bounds[i].ymin,
f->layout->bounds[i].xmax,
f->layout->bounds[i].ymax);
} else {
printf("/* bbox not set */ 0, 0, 0, 0);");
}
printf(" // %c\n", PRINTABLE(f->glyph2ascii[i]));
}
printf(" return f;\n}\n\n");
free(gpos);
}
void DumpGlobal(char * funcname)
{ printf("\nvoid %s(SWFFONT * f,int i,U16 ascii,U16 advance,U8 * data,U32 bitlen,int xmin,int ymin,int xmax, int ymax)\n",funcname);
printf("{ SHAPE * s;\n U32 l = (bitlen+7)/8;\n\n");
printf(" if (FAILED(swf_ShapeNew(&s))) return;\n");
printf(" s->data = malloc(l);\n");
printf(" if (!s->data) { swf_ShapeFree(s); return; }\n\n");
printf(" f->glyph2ascii[i] = ascii;\n");
printf(" f->ascii2glyph[ascii] = i;\n");
printf(" f->glyph[i].advance = advance;\n");
printf(" f->glyph[i].shape = s;\n");
printf(" s->bitlen = bitlen;\n");
printf(" s->bits.fill = 1;\n");
printf(" if(f->layout && f->layout->bounds)\n");
printf(" { f->layout->bounds[i].xmin = xmin;\n");
printf(" f->layout->bounds[i].ymin = ymin;\n");
printf(" f->layout->bounds[i].xmax = xmax;\n");
printf(" f->layout->bounds[i].ymax = ymax;\n");
printf(" }\n");
printf(" memcpy(s->data,data,l);\n}\n\n");
}
void fontcallback(U16 id,U8 * name,void*data)
{ SWFFONT * font;
int f;
char s[500],*ss;
swf_FontExtract(&swf,id,&font);
sprintf(s,"%s%s%s",name,swf_FontIsBold(font)?"_bold":"",swf_FontIsItalic(font)?"_italic":"");
ss = s;
while(*ss)
{
if(!((*ss>='a' && *ss<='z') ||
(*ss>='A' && *ss<='Z') ||
(*ss>='0' && *ss<='9' && ss!=s) ||
(*ss=='_')))
*ss = '_';
ss++;
}
DumpFont(font,s);
swf_FontFree(font);
}
int main(int argc,char ** argv)
{ int f;
if (argc>1)
{ f = open(argv[1],O_RDONLY);
if (f>=0)
{ if FAILED(swf_ReadSWF(f,&swf))
{ fprintf(stderr,"%s is not a valid SWF file or contains errors.\n",argv[1]);
close(f);
}
else
{ char fn[200];
close(f);
sprintf(fn,"fn%04x",getpid()); // avoid name conflicts @ using multiple fonts
printf("#define addGlyph %s\n",fn);
DumpGlobal(fn);
swf_FontEnumerate(&swf,&fontcallback,0);
swf_FreeTags(&swf);
printf("#undef addGlyph\n");
}
} else fprintf(stderr,"File not found: %s\n",argv[1]);
}
else fprintf(stderr,"\nreflex SWF Font Dump Utility\n(w) 2000 by Rainer Boehme <rb@reflex-studio.de>\n\nUsage: dumpfont filename.swf\n");
return 0;
}
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