From:	"Michael Stewart" <mike AT reggin DOT freeserve DOT co DOT uk>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Flipping an image
Date:	Tue, 13 Jul 1999 14:09:52 +0100
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Alan Wills wrote in message <7mf2qk$nlg$1 AT rockall DOT cc DOT strath DOT ac DOT uk>...
>void flip_image(int array[], int rows, int cols)
>{
>int row_count, col_count, total_pixelsp;
>
>  for(row_count = 0; row_count < rows; row_count++)
>   {
>    for(col_count = 0; col_count < cols; col_count++)
>     {


// Something like this ? (note: this is untested)
tmp = array[row_count * cols + col_count];
array[row_count * cols + col_count] = array[(row_count + 1) * cols - 1 -
col_count];
array[(row_count + 1) * cols - 1 - col_count] = tmp;

>     }
>   }
>}

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