env_pyr.h File Reference

#include "Envision/env_image.h"
#include "Envision/env_log.h"

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Classes
struct	env_pyr
	This class implements a set of images, often used as a dyadic pyramid. More...
Defines
#define	env_pyr_initializer   { 0, 0 }
Functions
static void	env_pyr_init_empty (struct env_pyr *pyr)
	Construct an empty pyramid.
void	env_pyr_init (struct env_pyr *pyr, const env_size_t n)
	Construct with a given number of empty images.
void	env_pyr_make_empty (struct env_pyr *dst)
void	env_pyr_copy_src_dst (const struct env_pyr *src, struct env_pyr *dst)
void	env_pyr_swap (struct env_pyr *pyr1, struct env_pyr *pyr2)
	Swap contents with another env_pyr.
static env_size_t	env_pyr_depth (const struct env_pyr *pyr)
	Return number of images in image set.
static struct env_image *	env_pyr_img (const struct env_pyr *pyr, const env_size_t lev)
	Get image from a given level.
static struct env_image *	env_pyr_imgw (struct env_pyr *pyr, const env_size_t lev)
	Get mutable image from a given level.

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Detailed Description

Definition in file env_pyr.h.

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Function Documentation

static env_size_t env_pyr_depth

(

const struct env_pyr *

pyr

)

[inline, static]

Return number of images in image set.

Definition at line 99 of file env_pyr.h.

Referenced by env_pyr_build_lowpass_5().

static struct env_image * env_pyr_img	(	const struct env_pyr *	pyr,
		const env_size_t	lev
	)			[static, read]

Get image from a given level.

Definition at line 105 of file env_pyr.h.

Referenced by env_motion_channel_input_and_consume_pyr(), env_pyr_build_lowpass_5(), and is_dyadic().

static struct env_image * env_pyr_imgw	(	struct env_pyr *	pyr,
		const env_size_t	lev
	)			[static, read]

Get mutable image from a given level.

Definition at line 112 of file env_pyr.h.

Referenced by env_motion_channel_input_and_consume_pyr(), and env_pyr_build_lowpass_5().

void env_pyr_init	(	struct env_pyr *	pyr,
		const env_size_t	n
	)

Construct with a given number of empty images.

Definition at line 44 of file env_pyr.c.

References env_allocate().

Referenced by env_chan_color(), env_chan_orientation(), env_motion_channel_input_and_consume_pyr(), and env_mt_chan_orientation().

static void env_pyr_init_empty

(

struct env_pyr *

pyr

)

[inline, static]

Construct an empty pyramid.

Definition at line 92 of file env_pyr.h.

void env_pyr_swap	(	struct env_pyr *	pyr1,
		struct env_pyr *	pyr2
	)

Swap contents with another env_pyr.

Definition at line 66 of file env_pyr.c.

Referenced by env_motion_channel_input_and_consume_pyr(), and env_mt_motion_channel_input_and_consume_pyr().