TLIB documentation
 

tlChannel.h File Reference

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Detailed Description

Internal channel manipulation routines.

#include "tlVision.h"

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Defines
#define	TL_MAX_CHANNEL   10
Functions
int	tl_to_channel (tlPixel *src, int width, int height, int pixel_width, int channel, tlPixel *mask, tlRect *rect, tlPixel *dest)
int	tl_channel_put (tlPixel *src, int width, int height, int pixel_width, int channel, tlPixel *mask, tlRect *rect, tlPixel *dest)
int	tl_channel_swap (tlPixel *src, int width, int height, int pixel_width, int channel1, int channel2, tlRect *rect, tlPixel *dest)

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Define Documentation

#define TL_MAX_CHANNEL   10

Number of channels tolerated in an image. Used in tlImage, tlObject and tlColor.

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Function Documentation

int tl_channel_put	(	tlPixel *	src,
		int	width,
		int	height,
		int	pixel_width,
		int	channel,
		tlPixel *	mask,
		tlRect *	rect,
		tlPixel *	dest
	)

Fill a given channel of a pixel array with another channel contained in another pixel array.

Parameters:

	src	pixel array containing source image
	width	image width
	height	image height
	pixel_width	destination image bytes per pixel
	channel	channel to put data into
	mask	conversion mask (only fills active pixels)
	rect	portion of the image to process
	dest	[out] pixel array containing the converted image

0 on success, -1 otherwise.
See error management for details.

int tl_channel_swap	(	tlPixel *	src,
		int	width,
		int	height,
		int	pixel_width,
		int	channel1,
		int	channel2,
		tlRect *	rect,
		tlPixel *	dest
	)

Swap channels in a pixel array

Parameters:

	src	pixel array containing source image
	width	image width
	height	image height
	pixel_width	destination image bytes per pixel
	channel1	channel to swap
	channel2	channel to swap
	rect	portion of the image to process
	dest	[out] pixel array containing the converted image

Returns:

0 on success, -1 otherwise.
See error management for details.

int tl_to_channel	(	tlPixel *	src,
		int	width,
		int	height,
		int	pixel_width,
		int	channel,
		tlPixel *	mask,
		tlRect *	rect,
		tlPixel *	dest
	)

Extract a channel from an image. The result is placed in a pixel array.

Parameters:

	src	pixel array containing source image
	width	image width
	height	image height
	pixel_width	bytes per pixel
	channel	channel to extract
	mask	conversion mask (only converts active pixels)
	rect	portion of the image to process
	dest	[out] pixel array containing the converted image

Returns:

0 on success, -1 otherwise.
See error management for details.

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TLIB documentation - generated on 7 May 2008
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