example.c File Reference

#include <stdio.h>
#include "jpeglib.h"
#include <setjmp.h>

Go to the source code of this file.

Typedefs
typedef struct my_error_mgr *	my_error_ptr

Functions
	write_JPEG_file (char *filename, int quality)
	my_error_exit (j_common_ptr cinfo)
	read_JPEG_file (char *filename)

Variables
JSAMPLE *	image_buffer
int	image_height
int	image_width

Typedef Documentation

my_error_ptr

typedef struct my_error_mgr* my_error_ptr

Definition at line 256 of file example.c.

Function Documentation

my_error_exit()

my_error_exit

(

j_common_ptr

cinfo

)

Definition at line 263 of file example.c.

References GLOBAL.

Referenced by vl::loadJPG(), and read_JPEG_file().

read_JPEG_file()

read_JPEG_file

(

char *

filename

)

Definition at line 284 of file example.c.

References infile, jpeg_create_decompress, jpeg_destroy_decompress(), jpeg_finish_decompress(), jpeg_read_header(), jpeg_read_scanlines(), jpeg_std_error(), jpeg_stdio_src(), JPOOL_IMAGE, my_error_exit(), NULL, jpeg_decompress_struct::output_components, jpeg_decompress_struct::output_height, jpeg_decompress_struct::output_scanline, jpeg_decompress_struct::output_width, TRUE, and void().

write_JPEG_file()

write_JPEG_file	(	char *	filename,
		int	quality
	)

Definition at line 72 of file example.c.

References image_buffer, image_height, jpeg_compress_struct::image_height, image_width, jpeg_compress_struct::image_width, jpeg_compress_struct::in_color_space, jpeg_compress_struct::input_components, JCS_RGB, jpeg_create_compress, jpeg_destroy_compress(), jpeg_finish_compress(), jpeg_set_defaults(), jpeg_set_quality(), jpeg_start_compress(), jpeg_std_error(), jpeg_stdio_dest(), jpeg_write_scanlines(), jpeg_compress_struct::next_scanline, NULL, outfile, TRUE, and void().

Variable Documentation

image_buffer

JSAMPLE* image_buffer

Referenced by write_JPEG_file().

image_height

int image_height

Referenced by rpng_win_wndproc(), and write_JPEG_file().

image_width

int image_width

Referenced by rpng_win_wndproc(), and write_JPEG_file().