jpeg.c File Reference

#include <setjmp.h>
#include <stdio.h>
#include <stddef.h>
#include <stdbool.h>
#include <jpeglib.h>
#include <onion/types_internal.h>
#include <onion/response.h>
#include <onion/log.h>

Data Structures
struct	onion_jpeg_data_t
struct	onion_error_mgr

Typedefs
typedef struct onion_jpeg_data_t	onion_jpeg_data
typedef struct onion_error_mgr *	onion_error_ptr

Functions
void	onion_error_exit (j_common_ptr cinfo)
void	onion_init_destination (j_compress_ptr cinfo)
boolean	onion_empty_output_buffer (j_compress_ptr cinfo)
void	onion_term_destination (j_compress_ptr cinfo)
int	onion_jpeg_response (unsigned char *image, int image_num_color_channels, J_COLOR_SPACE image_color_space, int image_width, int image_height, int output_quality, onion_response *res)
	Writes image data to a response object.

Typedef Documentation

typedef struct onion_error_mgr* onion_error_ptr

typedef struct onion_jpeg_data_t onion_jpeg_data

Function Documentation

boolean onion_empty_output_buffer

(

j_compress_ptr

cinfo

)

References onion_response_t::buffer, onion_response_t::buffer_pos, onion_response_flush(), onion_jpeg_data_t::res, and onion_jpeg_data_t::sent.

Referenced by onion_jpeg_response().

void onion_error_exit

(

j_common_ptr

cinfo

)

References HTTP_INTERNAL_ERROR, ONION_ERROR, onion_response_t::onion_response_printf(), onion_response_t::onion_response_set_code(), onion_jpeg_data_t::res, onion_jpeg_data_t::sent, and onion_error_mgr::setjmp_buffer.

Referenced by onion_jpeg_response().

void onion_init_destination

(

j_compress_ptr

cinfo

)

References onion_response_t::buffer, onion_response_t::buffer_pos, and onion_jpeg_data_t::res.

Referenced by onion_jpeg_response().

int onion_jpeg_response	(	unsigned char *	image,
		int	image_num_color_channels,
		J_COLOR_SPACE	image_color_space,
		int	image_width,
		int	image_height,
		int	output_quality,
		onion_response *	res
	)

Writes image data to a response object.

References OCS_PROCESSED, onion_empty_output_buffer(), onion_error_exit(), onion_init_destination(), onion_response_t::onion_response_set_header(), onion_response_t::onion_response_write_headers(), onion_term_destination(), OR_SKIP_CONTENT, onion_error_mgr::pub, onion_jpeg_data_t::res, onion_jpeg_data_t::sent, and onion_error_mgr::setjmp_buffer.

void onion_term_destination

(

j_compress_ptr

cinfo

)

References onion_response_t::buffer, onion_response_t::buffer_pos, onion_response_flush(), onion_jpeg_data_t::res, and onion_jpeg_data_t::sent.

Referenced by onion_jpeg_response().