Ejemplo n.º 1
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 */ 
static im_function read_dmask_desc = {
	"im_read_dmask",		/* Name */
	"read matrix of double from file",
	0,				/* Flags */
	read_dmask_vec, 		/* Dispatch function */
	IM_NUMBER( read_dmask_args ),	/* Size of arg list */
	read_dmask_args 		/* Arg list */
};

/* Args for convolver with imask.
 */
static im_arg_desc conv_imask[] = {
	IM_INPUT_IMAGE( "in" ),
	IM_OUTPUT_IMAGE( "out" ),
	IM_INPUT_IMASK( "matrix" )
};

/* Args for convolver with dmask.
 */
static im_arg_desc conv_dmask[] = {
	IM_INPUT_IMAGE( "in" ),
	IM_OUTPUT_IMAGE( "out" ),
	IM_INPUT_DMASK( "matrix" )
};

/* Call im_compass via arg vector.
 */
static int
compass_vec( im_object *argv )
{
Ejemplo n.º 2
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 */ 
static im_function profile_desc = {
	"im_profile",	 		/* Name */
	"find first horizontal/vertical edge",	/* Descr. */
	IM_FN_TRANSFORM,		/* Flags */
	profile_vec, 			/* Dispatch function */
	IM_NUMBER( profile_args ), 	/* Size of arg list */
	profile_args 			/* Arg list */
};

/* Args to im_erode.
 */
static im_arg_desc erode_args[] = {
	IM_INPUT_IMAGE( "in" ),
	IM_OUTPUT_IMAGE( "out" ),
	IM_INPUT_IMASK( "mask" )
};

/* Call im_dilate via arg vector.
 */
static int
dilate_vec( im_object *argv )
{
	im_mask_object *mo = argv[2];

	return( im_dilate( argv[0], argv[1], mo->mask ) );
}

/* Description of im_dilate.
 */ 
static im_function dilate_desc = {
Ejemplo n.º 3
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 */ 
static im_function sharpen_desc = {
	"im_sharpen",	 		/* Name */
	"sharpen high frequencies of L channel of LabQ",
	IM_FN_PIO,			/* Flags */
	sharpen_vec, 			/* Dispatch function */
	IM_NUMBER( sharpen_args ), 	/* Size of arg list */
	sharpen_args 			/* Arg list */
};

/* Args for convolver with imask.
 */
static im_arg_desc conv_imask[] = {
	IM_INPUT_IMAGE( "in" ),
	IM_OUTPUT_IMAGE( "out" ),
	IM_INPUT_IMASK( "matrix" )
};

/* Args for convolver with dmask.
 */
static im_arg_desc conv_dmask[] = {
	IM_INPUT_IMAGE( "in" ),
	IM_OUTPUT_IMAGE( "out" ),
	IM_INPUT_DMASK( "matrix" )
};

/* Call im_compass via arg vector.
 */
static int
compass_vec( im_object *argv )
{