int GrQueryPng( char *pngfn, int *width, int *height )
{
FILE *f;
int r;
f = fopen( pngfn,"rb" );
if( f == NULL ) return -1;
r = querypng( f,width,height );
fclose( f );
return r;
}
/**
* grx_query_png_file:
* @filename: (type filename): Name of jpeg file
* @width: (out): return pnm width
* @height: (out): return pnm height
*
* Query width and height data from a PNG file
*
* Returns: %TRUE on success, otherwise %FALSE
*/
gboolean grx_query_png_file(const char *pngfn, int *width, int *height)
{
FILE *f;
int r;
f = fopen( pngfn,"rb" );
if (f == NULL) {
return FALSE;
}
r = querypng( f,width,height );
fclose( f );
return r;
}
