png.c File Reference

#include <png.h>
#include <onion/response.h>
#include <onion/log.h>

Data Structures
struct	onion_png_data_t

Typedefs
typedef struct onion_png_data_t	onion_png_data

Functions
int	onion_png_response (unsigned char *image, int Bpp, int width, int height, onion_response *res)
	Writes an image as png to the response object.

Typedef Documentation

typedef struct onion_png_data_t onion_png_data

Function Documentation

int onion_png_response	(	unsigned char *	image,
		int	Bpp,
		int	width,
		int	height,
		onion_response *	res
	)

Writes an image as png to the response object.

Writes an image data to a response object.

Parameters

image	flat buffer with all pixels
Bpp	Bytes per pixel: 1 grayscale, 2 grayscale with alpha, 3 RGB, 4 RGB with alpha. Negative if in BGR format (cairo)
width	The width of the image
height	The height of the image
res	where to write the image, it sets the necessary structs

References OCS_INTERNAL_ERROR, OCS_PROCESSED, onion_response_t::onion_response_set_header(), onion_response_t::onion_response_write_headers(), OR_SKIP_CONTENT, onion_png_data_t::res, and onion_png_data_t::sent.