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/* zlibtest.c
Little example for rfxswf's lossless bitmap functions.
This program creates a swf with three zlib compressed
images: 8 bit indexed, 16 and 32 bit
Part of the swftools package.
Copyright (c) 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 <math.h>
#include "../rfxswf.h"
#define WIDTH 256
#define HEIGHT 256
#define ID_BITS 1
#define ID_SHAPE 16
int main ( int argc, char ** argv)
{ SWF swf;
TAG* t;
RGBA rgb;
SHAPE* s;
MATRIX m;
SRECT r;
JPEGBITS* jpeg;
int i,f;
int ls; // line style
int fs; // fill style
int dx = 256; // bitmap size
int dy = 256;
int bps8, bps16, bps32; // bytes per scanline
U8 * bitmap8;
U16 * bitmap16;
RGBA * bitmap32;
RGBA * pal;
// create test texture
bps8 = BYTES_PER_SCANLINE(dx*sizeof(U8));
bps16 = BYTES_PER_SCANLINE(dx*sizeof(U16));
bps32 = BYTES_PER_SCANLINE(dx*sizeof(U32));
pal = malloc(256*sizeof(RGBA));
bitmap8 = malloc(bps8*dy);
bitmap16 = malloc(bps16*dy);
bitmap32 = malloc(bps32*dy);
if ((bitmap8) && (pal) && (bitmap16))
{ int x,y;
for (y=0;y<dy;y++)
for (x=0;x<dx;x++)
bitmap8[y*bps8+x] = (y/16)*16+(x/16);
for (x=0;x<256;x++)
{
pal[x].r = (x/16)*16;
pal[x].g = (x&15)*16;
pal[x].b = 0;
pal[x].a = x;
pal[x].r = (pal[x].r*pal[x].a)/255;
pal[x].g = (pal[x].g*pal[x].a)/255;
pal[x].b = (pal[x].b*pal[x].a)/255;
}
for (y=0;y<dy;y++)
for (x=0;x<dx;x++) {
U8 red = x;
U8 green = y;
U8 blue = x+y;
bitmap16[y*(bps16>>1)+x] = ((green/0x40)&0x03)|
((red/4)&0x3f)<<2|
((blue/8)&0x1f)<<8|
((green/0x08)&0x07)<<13;
}
for (y=0;y<dy;y++)
for (x=0;x<dx;x++)
{ bitmap32[y*(bps32>>2)+x].r = /*((x&0x10)==(y&0x10))?*/((x&4)==(y&4))?y:x;
bitmap32[y*(bps32>>2)+x].g = x;
bitmap32[y*(bps32>>2)+x].b = y;
}
}
// put texture into flash movie
memset(&swf,0x00,sizeof(SWF));
swf.fileVersion = 4;
swf.frameRate = 0x1800;
swf.movieSize.xmax = 20*WIDTH;
swf.movieSize.ymax = 20*HEIGHT;
swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
t = swf.firstTag;
rgb.r = 0x00;
rgb.b = 0x00;
rgb.g = 0x00;
swf_SetRGB(t,&rgb);
t = swf_InsertTag(t,ST_DEFINEBITSLOSSLESS);
swf_SetU16(t,ID_BITS);
swf_SetLosslessBits(t,dx,dy,bitmap32,BMF_32BIT);
t = swf_InsertTag(t,ST_DEFINEBITSLOSSLESS2);
/* be careful with ST_DEFINEBITSLOSSLESS2, because
the Flash player produces great bugs if you use too many
alpha colors in your palette. The only sensible result that
can be archeived is setting one color to r=0,b=0,g=0,a=0 to
make transparent parts in sprites. That's the cause why alpha
handling is implemented in lossless routines of rfxswf.
*/
swf_SetU16(t,ID_BITS+1);
swf_SetLosslessBitsIndexed(t,dx,dy,bitmap8,pal,256);
t = swf_InsertTag(t,ST_DEFINEBITSLOSSLESS);
swf_SetU16(t,ID_BITS+2);
swf_SetLosslessBits(t,dx,dy,bitmap16,BMF_16BIT);
/* By the way: ST_DEFINELOSSLESS2 produces stange output on
16 and 32 bits image data, too.... it seems that the
ming developers deal with the same problem.
*/
for (i=0;i<9;i++)
{
t = swf_InsertTag(t,ST_DEFINESHAPE);
swf_ShapeNew(&s);
rgb.b = rgb.g = rgb.r = 0x00;
ls = swf_ShapeAddLineStyle(s,10,&rgb);
swf_GetMatrix(NULL,&m);
m.sx = (6*WIDTH/dx)<<16;
m.sy = (6*HEIGHT/dy)<<16;
fs = swf_ShapeAddBitmapFillStyle(s,&m,ID_BITS+((i+(i/3))%3),0);
swf_SetU16(t,ID_SHAPE+i); // ID
r.xmin = 0;
r.ymin = 0;
r.xmax = 6*WIDTH;
r.ymax = 6*HEIGHT;
swf_SetRect(t,&r);
swf_SetShapeStyles(t,s);
swf_ShapeCountBits(s,NULL,NULL);
swf_SetShapeBits(t,s);
swf_ShapeSetAll(t,s,0,0,ls,fs,0);
swf_ShapeSetLine(t,s,6*WIDTH,0);
swf_ShapeSetLine(t,s,0,6*HEIGHT);
swf_ShapeSetLine(t,s,-6*WIDTH,0);
swf_ShapeSetLine(t,s,0,-6*HEIGHT);
swf_ShapeSetEnd(t);
swf_GetMatrix(NULL,&m);
m.tx = (i%3) * (6*WIDTH+60);
m.ty = (i/3) * (6*HEIGHT+60);
t = swf_InsertTag(t,ST_PLACEOBJECT2);
swf_ObjectPlace(t,ID_SHAPE+i,1+i,&m,NULL,NULL);
}
t = swf_InsertTag(t,ST_SHOWFRAME);
t = swf_InsertTag(t,ST_END);
// swf_WriteCGI(&swf);
f = open("zlibtest.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 ..\\zlibtest.swf");
#endif
free(pal);
free(bitmap8);
free(bitmap16);
free(bitmap32);
return 0;
}
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