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//
// cdmulti is a program to make a cgm file with multiple pictures in it.
//
//
// cdmulti.c: test program for the cgmdraw module.
//
// Written by G. Edward Johnson <mailto:lorax@nist.gov>
// Date: June 26, 1996
// Copyright: cd software produced by NIST, an agency of the
// U.S. government, is by statute not subject to copyright
// in the United States. Recipients of this software assume all
// responsibilities associated with its operation, modification
// and maintenance.
//
//
#include <stdio.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include "defines.h"
#include "cd.h"
int main()
{
// you must create a pointer to the image(s) that you will be using
// not suprisingly, it is of type cdImagePtr
cdImagePtr im;
// this is a pointer to the output file you will be using
FILE *outf;
// these will be index's into the color palette containing
// the corresponding colors
int black, white, blue;
// Create an image 200 pixels wide by 250 pixels high
im = cdImageCreate( 200, 250 );
// allocate some colors (isn't this fun?)
// the first color allocated is the background color
white = cdImageColorAllocate( im, 255, 255, 255 );
black = cdImageColorAllocate( im, 0, 0, 0 );
blue = cdImageColorAllocate( im, 0, 0, 255 );
// set the text attributes
// font, colorindex, and size respectivily
// font is the style the text is written in. 1 is for Times,
// 5 is for Helvetica.
// we will have black text for this one
// Size is a tough one, but larger numbers give larger text.
// 25 is a not too large size
if ( !( cdSetTextAttrib( im, 5, black, 25 ) ) )
return 1;
// Now that we have set some attributes, lets do some drawing
// lets put some text in the picture.
// (20,100) is the point at the lower left corner of the text
if ( !( cdText( im, 20, 100, "Hello World" ) ) )
return 1;
// Here's something special, put a second picture in the file
// we put in a second picture, and reset all defaults. This means
// we have to re-allocate the colors as well
if ( !( cdCgmNewPic( im, 0 ) ) )
return 1;
// allocate some colors (Again!)
// the first color allocated is the background color
white = cdImageColorAllocate( im, 255, 255, 255 );
black = cdImageColorAllocate( im, 0, 0, 0 );
blue = cdImageColorAllocate( im, 0, 0, 255 );
// set text attributes
if ( !( cdSetTextAttrib( im, 5, black, 25 ) ) )
return 1;
if ( !( cdText( im, 20, 100, "Goodbye World" ) ) )
return 1;
// now write the file out.
outf = fopen( "cdmulti.cgm", "wb" );
if ( !outf )
return 1;
cdImageCgm( im, outf );
fclose( outf );
outf = 0;
// Remember to destroy the image when you are done
cdImageDestroy( im );
im = 0;
printf( "I just created a multi picture CGM!!!\n" );
return 0;
}
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