#include <stdlib.h>#include <gandalf/image/pixel.h>#include <gandalf/common/misc_defs.h>Go to the source code of this file.
Compounds | |
| struct | Gan_Image |
| structure definition for image More... | |
| struct | Gan_ImageWindow |
| Definition of a rectangular sub-part of an image. More... | |
Typedefs | |
| typedef Gan_Image | Gan_Image |
| structure definition for image | |
| typedef Gan_ImageWindow | Gan_ImageWindow |
| Definition of a rectangular sub-part of an image. | |
Functions | |
| Gan_Image * | gan_image_alloc (Gan_ImageFormat format, Gan_Type type, unsigned long height, unsigned long width) |
| Macro: Allocate and return a new image. | |
| Gan_Image * | gan_image_form (Gan_Image *img, Gan_ImageFormat format, Gan_Type type, unsigned long height, unsigned long width) |
| Macro: Forms and returns a new image. | |
| Gan_Image * | gan_image_alloc_data (Gan_ImageFormat format, Gan_Type type, unsigned long height, unsigned long width, void *pix_data, size_t pix_data_size, void *row_data, size_t row_data_size) |
| Macro: Allocate image. | |
| Gan_Image * | gan_image_form_data (Gan_Image *img, Gan_ImageFormat format, Gan_Type type, unsigned long height, unsigned long width, void *pix_data, size_t pix_data_size, void *row_data, size_t row_data_size) |
| Macro: Form image. | |
| void | gan_image_free (Gan_Image *img) |
| Macro: Free an image. | |
| Gan_Image * | gan_image_copy_q (Gan_Image *img_s, Gan_Image *img_d) |
| Macro: Copy an image. | |
| Gan_Image * | gan_image_copy_s (Gan_Image *img) |
| Macro: Copy an image. | |
| Gan_Image * | gan_image_set_format_type_dims (Gan_Image *img, Gan_ImageFormat format, Gan_Type type, unsigned long height, unsigned long width) |
| Macro: Set format, type and dimensions of image. | |
| Gan_Image * | gan_image_set_format_type (Gan_Image *img, Gan_ImageFormat format, Gan_Type type) |
| Macro: Set format and type of image. | |
| Gan_Image * | gan_image_set_type (Gan_Image *img, Gan_Type type) |
| Macro: Set type of image. | |
| Gan_Image * | gan_image_set_dims (Gan_Image *img, unsigned long height, unsigned long width) |
| Macro: Set height and width of image. | |
| Gan_Bool | gan_image_test_format (Gan_Image *img, Gan_ImageFormat format) |
| Macro: Test image format. | |
| Gan_Bool | gan_image_test_type (Gan_Image *img, Gan_Type type) |
| Macro: Test image type. | |
| Gan_Bool | gan_image_test_dims (Gan_Image *img1, Gan_Image *img2) |
| Macro: Test image dimensions. | |
| Gan_Bool | gan_image_fill_zero_window (Gan_Image *img, unsigned r0, unsigned c0, unsigned height, unsigned width) |
| Macro: Fill window of image with zero. | |
| Gan_Image * | gan_image_form_gen (Gan_Image *img, Gan_ImageFormat format, Gan_Type type, unsigned long height, unsigned long width, unsigned long stride, Gan_Bool alloc_pix_data, void *pix_data, size_t pix_data_size, void *row_data, size_t row_data_size) |
| Form image. | |
| Gan_Bool | gan_image_set_data_free_func (Gan_Image *img, void(*data_free_func)(void *)) |
| Sets the function to free the image data buffer. | |
| size_t | gan_image_pixel_size (Gan_ImageFormat format, Gan_Type type) |
| Returns the size of an image pixel in bytes. | |
| size_t | gan_image_min_stride (Gan_ImageFormat format, Gan_Type type, unsigned long width, size_t alignment) |
| Returns the minimum size of a row of image pixels in bytes. | |
| Gan_Bool | gan_image_fill_const (Gan_Image *img, Gan_Pixel *pixel) |
| Fill an image with a constant value. | |
| Gan_Bool | gan_image_fill_zero (Gan_Image *img) |
| Fills an image with zero pixels. | |
| Gan_Bool | gan_image_fill_const_window (Gan_Image *img, unsigned r0, unsigned c0, unsigned height, unsigned width, Gan_Pixel *pixel) |
| Fill a subwindow of an image. | |
| Gan_Pixel | gan_image_get_pix (Gan_Image *img, unsigned row, unsigned col) |
| Gets a pixel from an image. | |
| void * | gan_image_get_pixptr (Gan_Image *img, unsigned row, unsigned col) |
| Gets a pointer to a pixel from an image. | |
| Gan_Bool | gan_image_get_pix_zero (Gan_Image *img, unsigned row, unsigned col) |
| Gets a pixel from an image and compares it with zero. | |
| Gan_Bool | gan_image_set_pix (Gan_Image *img, unsigned row, unsigned col, Gan_Pixel *pix) |
| Sets a pixel in an image. | |
| Gan_Bool | gan_image_set_pix_zero (Gan_Image *img, unsigned row, unsigned col) |
| Sets a pixel in an image to zero. | |
| Gan_Bool | gan_image_get_active_subwindow (Gan_Image *image, Gan_ImageWindow *subwin) |
| Computes bounding box of non-zero pixels in grey-level image. | |
| Gan_Bool | gan_image_mask_window (Gan_Image *image, unsigned r0, unsigned c0, unsigned height, unsigned width) |
| Clear image to zero except in specified rectangular region. | |
| void | gan_image_free_va (Gan_Image *img,...) |
Free a NULL-terminated variable argument list of images. | |
| Gan_Image * | gan_image_set_format_type_dims_gen (Gan_Image *img, Gan_ImageFormat format, Gan_Type type, unsigned long height, unsigned long width, unsigned long stride, Gan_Bool alloc_pix_data) |
| Sets the format, type, dimensions and stride of an image. | |
Part of: Gandalf Library
Revision: Last edited: Author:
Copyright: (c) 2000 Imagineer Software Limited
1.3-rc1