int ppmb_write ( char *fileout_name, int xsize, int ysize, int maxrgb, int *array )
{
FILE *fileout;
int result;
/*
Open the output file.
*/
fileout = fopen ( fileout_name, "wb" );
if ( fileout == NULL ) {
printf ( "\n" );
printf ( "PPMB_WRITE: Fatal error!\n" );
printf ( " Cannot open the output file %s.\n", fileout_name );
return 1;
}
/*
Write the header.
*/
result = ppmb_write_header ( fileout, xsize, ysize, maxrgb );
if ( result != 0 ) {
printf ( "\n" );
printf ( "PPMB_WRITE: Fatal error!\n" );
printf ( " PPMB_WRITE_HEADER failed.\n" );
return 1;
}
/*
Write the data.
*/
result = ppmb_write_data (fileout, xsize, ysize, array);
if ( result != 0 ) {
printf ( "\n" );
printf ( "PPMB_WRITE: Fatal error!\n" );
printf ( " PPMB_WRITE_DATA failed.\n" );
return 1;
}
/*
Close the file.
*/
fclose ( fileout );
return 0;
}
bool ppmb_write ( char *file_name, int xsize, int ysize, unsigned char *rarray,
unsigned char *garray, unsigned char *barray )
/******************************************************************************/
/*
Purpose:
PPMB_WRITE writes the header and data for a binary portable pixel map file.
Licensing:
This code is distributed under the GNU LGPL license.
Modified:
16 June 2012
Author:
John Burkardt
Parameters:
Input, char *FILE_NAME, the name of the file to contain the binary
portable pixel map data.
Input, int XSIZE, YSIZE, the number of rows and columns of data.
Input, unsigned char *RARRAY, *GARRAY, *BARRAY, the arrays of XSIZE by YSIZE
data values.
Output, bool PPMB_WRITE, equals
true, if the file could not be written,
false, if the file was written.
*/
{
FILE *file_pointer;
int i;
unsigned char *indexb;
unsigned char *indexg;
unsigned char *indexr;
int j;
int maxrgb;
bool result;
/*
Open the output file.
*/
file_pointer = fopen ( file_name, "wb" );
if ( file_pointer == NULL )
{
printf ( "\n" );
printf ( "PPMB_WRITE: Fatal error!\n" );
printf ( " Cannot open the output file %s.\n", file_name );
return true;
}
/*
Compute the maximum.
*/
maxrgb = 0;
indexr = rarray;
indexg = garray;
indexb = barray;
for ( j = 0; j < ysize; j++ )
{
for ( i = 0; i < xsize; i++ )
{
if ( maxrgb < *indexr )
{
maxrgb = *indexr;
}
if ( maxrgb < *indexg )
{
maxrgb = *indexg;
}
if ( maxrgb < *indexb )
{
maxrgb = *indexb;
}
indexr = indexr + 1;
indexg = indexg + 1;
indexb = indexb + 1;
}
}
/*
Write the header.
*/
result = ppmb_write_header ( file_pointer, xsize, ysize, maxrgb );
if ( result )
{
printf ( "\n" );
printf ( "PPMB_WRITE: Fatal error!\n" );
printf ( " PPMB_WRITE_HEADER failed.\n" );
return true;
}
/*
Write the data.
*/
result = ppmb_write_data ( file_pointer, xsize, ysize, rarray, garray,
barray );
if ( result )
{
printf ( "\n" );
printf ( "PPMB_WRITE: Fatal error!\n" );
printf ( " PPMB_WRITE_DATA failed.\n" );
return true;
}
/*
Close the file.
*/
fclose ( file_pointer );
return false;
}
