image_bit.c File Reference

#include <gandalf/image/image_bit.h>
#include <string.h>
#include <gandalf/image/image_defs.h>
#include <gandalf/common/array.h>
#include <gandalf/common/allocate.h>
#include <gandalf/common/misc_error.h>

Defines
#define	GAN_PIXEL   Gan_BitWord
#define	GAN_PIXEL_FORMAT   grey-level
#define	GAN_PIXEL_TYPE   Gan_Bool
#define	GAN_PIXTYPE   GAN_BOOL
#define	GAN_IMTYPE   b
#define	GAN_IMAGE_FORM_GEN   gan_image_form_gen_b
#define	GAN_IMAGE_SET_GEN   gan_image_set_gen_b
#define	GAN_IMAGE_ALLOC   gan_image_alloc_b
#define	GAN_IMAGE_ALLOC_DATA   gan_image_alloc_data_b
#define	GAN_IMAGE_FORM   gan_image_form_b
#define	GAN_IMAGE_FORM_DATA   gan_image_form_data_b
#define	GAN_IMAGE_SET   gan_image_set_b
#define	GAN_IMAGE_SET_PIX   gan_image_set_pix_b
#define	GAN_IMAGE_GET_PIX   gan_image_get_pix_b
#define	GAN_IMAGE_FILL_CONST   gan_image_fill_const_b
#define	GAN_IMAGE_GET_ACTIVE_SUBWINDOW   gan_image_get_active_subwindow_b
#define	GAN_IMAGE_MASK_WINDOW   gan_image_mask_window_b
#define	GAN_IMAGE_CLEAR_WINDOW   gan_image_clear_window_b
#define	GAN_IMAGE_PIXEL_ZERO_VAL   GAN_FALSE
#define	GAN_FILL_ARRAY   gan_fill_array_b
#define	GAN_COPY_ARRAY   gan_copy_array_b
#define	GAN_BITMAP
#define	GAN_PIXFMT   GAN_GREY_LEVEL_IMAGE
#define	GAN_IMFMT   gl
Functions
Gan_Image *	gan_image_set_gen_b (Gan_Image *img, unsigned long height, unsigned long width, unsigned long stride, Gan_Bool alloc_pix_data)
	Set format, type, dimension and stride attributes of an image.
Gan_Image *	gan_image_form_gen_b (Gan_Image *img, unsigned long height, unsigned long width, unsigned long stride, Gan_Bool alloc_pix_data, Gan_BitWord *pix_data, size_t pix_data_size, Gan_BitWord **row_data, size_t row_data_size)
	Form an image with specific format, type, dimensions and stride.
Gan_Bool	gan_image_get_active_subwindow_b (const Gan_Image *image, Gan_Alignment alignment, Gan_ImageWindow *subwin)
	Computes bounding box of non-zero pixels in binary image.
Gan_Bool	gan_image_mask_window_b (Gan_Image *img, unsigned r0, unsigned c0, unsigned height, unsigned width)
	Clear binary image except in specified rectangular region.
Gan_Bool	gan_image_clear_window_b (Gan_Image *img, unsigned r0, unsigned c0, unsigned height, unsigned width)
	Clear binary image in specified rectangular region.
Gan_Bool	gan_image_bit_get_pix_4group (const Gan_Image *image, unsigned row, unsigned col)
	Test local group of four binary pixels.
Gan_Bool	gan_image_bit_get_pix_5group (const Gan_Image *image, unsigned row, unsigned col)
	Test local group of five binary pixels.
Gan_Bool	gan_image_bit_get_pix_9group (const Gan_Image *image, unsigned row, unsigned col)
	Test local group of nine binary pixels.
Gan_Bool	gan_image_bit_get_pix_3group_horiz (const Gan_Image *image, unsigned row, unsigned col)
	Test local group of three binary pixels in a row.
Gan_Bool	gan_image_bit_get_pix_3group_vert (const Gan_Image *image, unsigned row, unsigned col)
	Test local group of three binary pixels in a column.
int	gan_image_get_pixel_count_b (const Gan_Image *image, Gan_Bool val, const Gan_ImageWindow *psubwin)
	Returns number of pixels set or unset in the given binary image.
Gan_Image *	gan_image_bit_invert_q (Gan_Image *image, Gan_Image *result_image)
	Invert binary image.
Gan_Image *	gan_image_bit_and_q (Gan_Image *image1, Gan_Image *image2, Gan_Image *result)
	Binary AND of all pixels in a binary image.
Gan_Image *	gan_image_bit_nand_q (Gan_Image *image1, Gan_Image *image2, Gan_Image *result)
	Binary NAND of all pixels in a binary image.
Gan_Image *	gan_image_bit_or_q (Gan_Image *image1, Gan_Image *image2, Gan_Image *result)
	Binary OR of all pixels in a binary image.
Gan_Image *	gan_image_bit_eor_q (Gan_Image *image1, Gan_Image *image2, Gan_Image *result)
	Binary EOR of all pixels in a binary image.
Gan_Image *	gan_image_bit_andnot_q (Gan_Image *image1, Gan_Image *image2, Gan_Image *result)
	Binary AND-NOT of all pixels in a binary image.
Gan_Bool	gan_image_bit_fill_row (Gan_Image *image, unsigned y, unsigned x, unsigned width, Gan_Bool pix)
	Fill part of a row of a binary image.
Gan_Bool	gan_image_bit_invert_row (Gan_Image *image, unsigned y, unsigned x, unsigned width)
	Invert part of a row of a binary image.
Gan_Bool	gan_image_bit_dilate_horiz (Gan_Image *image, int no_pixels, Gan_Image *restrict_mask)
	Dilate binary image horizontally.
Gan_Bool	gan_image_bit_dilate_vert (Gan_Image *image, int no_pixels, Gan_Image *restrict_mask)
	Dilate binary image vertically.
Gan_Bool	gan_image_bit_shift (const Gan_Image *image, int vshift, int hshift, Gan_Image *result_image)
	Shift binary image horizontally and vertically.

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Detailed Description

Module: Binary images

Part of: Gandalf Library

Version:

1.50

Date:

2006/03/15 16:18:23

Author:

pm

Copyright: (c) 2000 Imagineer Software Limited

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