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sgi_io.c File Reference

#include <string.h>
#include <gandalf/image/io/sgi_io.h>
#include <gandalf/image/io/image_io.h>
#include <gandalf/image/image_gl_uint8.h>
#include <gandalf/image/image_gl_uint16.h>
#include <gandalf/image/image_rgb_uint8.h>
#include <gandalf/image/image_rgb_uint16.h>
#include <gandalf/image/image_rgba_uint8.h>
#include <gandalf/image/image_rgba_uint16.h>
#include <gandalf/common/misc_error.h>

Defines

#define SGI_MAGIC_NUMBER_OFFSET   0
#define SGI_STORAGE_OFFSET   2
#define SGI_BPC_OFFSET   3
#define SGI_DIMENSION_OFFSET   4
#define SGI_XSIZE_OFFSET   6
#define SGI_YSIZE_OFFSET   8
#define SGI_ZSIZE_OFFSET   10
#define SGI_PIXMIN_OFFSET   12
#define SGI_PIXMAX_OFFSET   16
#define SGI_COLOURMAP_OFFSET   104
#define BIG_BUFFER_SIZE   530

Functions

Gan_Bool gan_image_is_sgi (const unsigned char *magic_string, size_t length)
 Determines whether an image is a SGI image using the magic number.
Gan_Imagegan_read_sgi_image_stream (FILE *infile, Gan_Image *image, const struct Gan_ImageReadControlStruct *ictrlstr, struct Gan_ImageHeaderStruct *header)
 Reads a RGB colour image file in SGI format from a stream.
Gan_Imagegan_read_sgi_image (const char *filename, Gan_Image *image, const struct Gan_ImageReadControlStruct *ictrlstr, struct Gan_ImageHeaderStruct *header)
 Reads a RGB colour image file in SGI format.
void gan_initialise_sgi_header_struct (Gan_SGIHeaderStruct *octrlstr)
 Initialises the output control structure for SGI files.
Gan_Bool gan_write_sgi_image_stream (FILE *outfile, const Gan_Image *image, Gan_Bool new_file, const struct Gan_ImageWriteControlStruct *octrlstr)
 Writes a RGB colour image to a file stream in SGI format.
Gan_Bool gan_write_sgi_image (const char *filename, const Gan_Image *image, const struct Gan_ImageWriteControlStruct *octrlstr)
 Writes a RGB colour image file in SGI format.

Detailed Description

Module: SGI format image file I/O functions

Part of: Gandalf Library

Version:
1.16
Date:
2006/03/15 14:09:07
Author:
pm
Copyright: (c) 2000 Imagineer Software Limited
Generated on Fri Mar 17 12:44:52 2006 by  doxygen 1.3.9.1