#include <magick.h>
#include <string.h>
int bmptopng(char *prefix);
#if 0
int main (int argc, char **argv)
	{
	return(bmptopng(argv[1]));
	}
#endif

int bmptopng(char *prefix)
	{
	Image *image;
	ImageInfo image_info;

	char buffer[4096];

	GetImageInfo (&image_info);
	sprintf(buffer, "%s.bmp",prefix);
	strcpy (image_info.filename, buffer);
	image = ReadBMPImage (&image_info);
	if (image == (Image *) NULL)
		return(1);
	sprintf(buffer, "%s.png",prefix);

	strcpy(image_info.filename,buffer);
	SetImageInfo(&image_info,1);
	strcpy (image->filename, buffer);
	WritePNGImage (&image_info, image);

	DestroyImage (image);
	return(0);
	}