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/* glyphshape.c
Part of the swftools package.
Copyright (c) 2001 Rainer Böhme <rfxswf@reflex-studio.de>
This file is distributed under the GPL, see file COPYING for details
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 <math.h>
#include "../rfxswf.h"
#include "demofont.c" // six glyphs only: f, l, o, s, t, w
//#include "stdfonts.c"
#define BANNER_TEXT "swftools"
#define ID_FONT 1000
#define ID_SHAPES 2000 // to 2255
TAG * PlaceGlyph(TAG * t,SWFFONT * font,U8 glyph,U16 depth,int x,int y,int angle)
{ MATRIX m;
t = swf_InsertTag(t,ST_PLACEOBJECT2);
swf_GetMatrix(NULL,&m);
if (angle)
{ m.sy = m.sx = (int)(cos(((double)(angle))/128*3.14159)*0x10000);
m.r0 = (int)(sin(((double)(angle))/128*3.14159)*0x10000);
m.r1 = -m.r0;
}
else m.sx = m.sy = 0x10000;
// move origin
m.tx = x+((m.r1-m.sx)/0x100); // this is correct
m.ty = y+((m.sx-m.r0)/0x100);
// m.tx = x+((m.r1-m.sx)/0x40); // this looks crazier ;-)
// m.ty = y+((m.sx-m.r0)/0x40);
if (font)
swf_ObjectPlace(t,ID_SHAPES+glyph,depth,&m,NULL,NULL);
else swf_ObjectMove(t,depth,&m,NULL);
return t;
}
// some helper functions which define the figure
int posX(int count)
{ return (int)(-sin(((double)count)/1024*3.14159)*3000);
}
int posY(int count)
{ return (int)(sin(((double)count)/2048*3.14159)*3200);
}
int angle(int count)
{ return (int)(pow(cos(((double)count)/2048*3.14159),3)*110);
// this is not the mathematical correct solution, but it works & looks nice
}
int main(int argc, char ** argv)
{ SWF swf;
TAG * t;
SRECT r;
RGBA rgb;
MATRIX m;
U8 abits, gbits;
int f,i,frame;
int width = 400;
int height = 400;
char * s = BANNER_TEXT;
SWFFONT * font = Font_Demo_Font(ID_FONT); // change font name here
swf_FontInitUsage(font);
swf_FontUse(font,s);
swf_FontReduce(font); // make sure that gid's point to the specific glyphs
memset(&swf,0x00,sizeof(SWF));
swf.fileVersion = 4;
swf.frameRate = 0x1000;
swf.movieSize.xmax = 20*width;
swf.movieSize.ymax = 20*height;
swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
t = swf.firstTag;
rgb.r = 0xff;
rgb.g = 0xff;
rgb.b = 0xff;
swf_SetRGB(t,&rgb);
// define Glyph Shapes
for (i=0;i<font->numchars;i++)
{ if (font->glyph[i].shape)
{ SHAPE * s;
int fs;
t = swf_InsertTag(t,ST_DEFINESHAPE);
swf_ShapeNew(&s);
rgb.r = rgb.g = rgb.b = i;
swf_ShapeAddSolidFillStyle(s,&rgb);
swf_SetU16(t,ID_SHAPES+i);
r.xmin = -50*20; r.ymin = -50*20; // Glyph Shapes are placed into a 2000*2000 box
r.ymax = 50*20; r.xmax = 50*20; // where (1000,1000) is the origin
swf_SetRect(t,&r);
swf_SetShapeStyles(t,s); // rest of header is set by swf_SetSimpleShape
swf_SetSimpleShape(t,font->glyph[i].shape);
swf_ShapeFree(s);
}
}
for (frame=0;frame<128;frame++)
{ int cnt = 4096-frame*32;
for (i=0;i<strlen(s);i++)
{ int glyph = font->ascii2glyph[s[i]];
int advance = font->glyph[glyph].advance/2;
int cnt2 = cnt+=advance/2;
t = PlaceGlyph(t,frame?NULL:font,glyph,i+1,
200*20+posX(cnt2),
200*20+posY(cnt2),
angle(cnt2));
cnt+=advance;
}
t = swf_InsertTag(t,ST_SHOWFRAME);
}
t = swf_InsertTag(t,ST_END);
// swf_WriteCGI(&swf);
f = open("glyphshape.swf",O_RDWR|O_CREAT|O_TRUNC|O_BINARY,0644);
if FAILED(swf_WriteSWF(f,&swf)) fprintf(stderr,"WriteSWF() failed.\n");
close(f);
swf_FreeTags(&swf);
#ifdef __NT__
system("start ..\\glyphshape.swf");
#endif
return 0;
}
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