mg_png.c File Reference

Implementation of PNG decoder - according to the specification. More...

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <png.h>
#include "decoder.h"
#include "glue_memory.h"
#include "glue_debug.h"
#include "mg_ctxt.h"
#include "osd_utils.h"
#include "glue_assert.h"

Data Structures
struct	buffer
struct	info

Macros
#define	MAX_HEADER   8

Typedefs
typedef struct buffer	S_BUFFER
typedef struct info	S_INFO

Functions
S_IMAGE *	DEC_DecodePng (U8BIT *data, U32BIT len)
	Allocate memory for png and decode bitmap. More...
void	DEC_FreePng (S_IMAGE *data)
	Free memory allocated for PNG bitmap. More...

Detailed Description

Implementation of PNG decoder - according to the specification.

Date

18-07-2008

Author

Adam Sturtridge

Macro Definition Documentation

#define MAX_HEADER   8

Typedef Documentation

typedef struct buffer S_BUFFER

typedef struct info S_INFO

Function Documentation

S_IMAGE* DEC_DecodePng	(	U8BIT *	data,
		U32BIT	len
	)

Allocate memory for png and decode bitmap.

Allocate memory for PNG and decode bitmap To free "S_IMAGE" memory, DEC_FreePng will be called.

Parameters

void	* data PNG data. int len Length of data for PNG.

Returns

S_IMAGE * The decoded bitmap.

Warning

Bug:

void DEC_FreePng

(

S_IMAGE *

image

)

Free memory allocated for PNG bitmap.

Parameters

data

PNG image

Returns

void