PNGdec.h File Reference

#include "zutil.h"
#include "inftrees.h"
#include "inflate.h"

Include dependency graph for PNGdec.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	png_draw_tag
struct	png_file_tag
struct	png_image_tag

Macros
#define	FALSE   0
#define	TRUE   1
#define	PNG_FILE_BUF_SIZE   2048
#define	PNG_MAX_BUFFERED_PIXELS   (640*4 + 1)
#define	PNG_STATIC
#define	INTELSHORT(p)   ((*p) + (*(p+1)<<8))
#define	INTELLONG(p)   ((*p) + (*(p+1)<<8) + (*(p+2)<<16) + (*(p+3)<<24))
#define	MOTOSHORT(p)   (((*(p))<<8) + (*(p+1)))
#define	MOTOLONG(p)   (((*p)<<24) + ((*(p+1))<<16) + ((*(p+2))<<8) + (*(p+3)))
#define	REGISTER_WIDTH   32

Typedefs
typedef struct png_draw_tag	PNGDRAW
typedef struct png_file_tag	PNGFILE
typedef int32_t()	PNG_READ_CALLBACK(PNGFILE *pFile, uint8_t *pBuf, int32_t iLen)
typedef int32_t()	PNG_SEEK_CALLBACK(PNGFILE *pFile, int32_t iPosition)
typedef void *()	PNG_OPEN_CALLBACK(const char *szFilename, int32_t *pFileSize)
typedef void()	PNG_DRAW_CALLBACK(PNGDRAW *)
typedef void()	PNG_CLOSE_CALLBACK(void *pHandle)
typedef struct png_image_tag	PNGIMAGE

Enumerations
enum	{   PNG_FILTER_NONE =0 , PNG_FILTER_SUB , PNG_FILTER_UP , PNG_FILTER_AVG ,   PNG_FILTER_PAETH , PNG_FILTER_COUNT }
enum	{ PNG_CHECK_CRC = 1 , PNG_FAST_PALETTE = 2 }
enum	{   PNG_PIXEL_GRAYSCALE =0 , PNG_PIXEL_TRUECOLOR =2 , PNG_PIXEL_INDEXED =3 , PNG_PIXEL_GRAY_ALPHA =4 ,   PNG_PIXEL_TRUECOLOR_ALPHA =6 }
enum	{ PNG_RGB565_LITTLE_ENDIAN = 0 , PNG_RGB565_BIG_ENDIAN }
enum	{ PNG_MEM_RAM =0 , PNG_MEM_FLASH }
enum	{   PNG_SUCCESS = 0 , PNG_INVALID_PARAMETER , PNG_DECODE_ERROR , PNG_MEM_ERROR ,   PNG_NO_BUFFER , PNG_UNSUPPORTED_FEATURE , PNG_INVALID_FILE , PNG_TOO_BIG }

Functions
int	PNG_openRAM (PNGIMAGE *pPNG, uint8_t *pData, int iDataSize)
int	PNG_openFile (PNGIMAGE *pPNG, const char *szFilename)
int	PNG_getWidth (PNGIMAGE *pPNG)
int	PNG_getHeight (PNGIMAGE *pPNG)
int	PNG_decode (PNGIMAGE *pPNG, void *pUser, int iOptions)
void	PNG_close (PNGIMAGE *pPNG)
int	PNG_getLastError (PNGIMAGE *pPNG)
int	PNG_getBpp (PNGIMAGE *pPNG)
int	PNG_getBufferSize (PNGIMAGE *pPNG)
uint8_t *	PNG_getPalette (PNGIMAGE *pPNG)
int	PNG_getPixelType (PNGIMAGE *pPNG)
int	PNG_hasAlpha (PNGIMAGE *pPNG)
int	PNG_isInterlaced (PNGIMAGE *pPNG)
uint8_t *	PNG_getBuffer (PNGIMAGE *pPNG)
void	PNG_setBuffer (PNGIMAGE *pPNG, uint8_t *pBuffer)

Macro Definition Documentation

FALSE

#define FALSE   0

Definition at line 48 of file PNGdec.h.

INTELLONG

#define INTELLONG

(

p

)

((*p) + (*(p+1)<<8) + (*(p+2)<<16) + (*(p+3)<<24))

Definition at line 211 of file PNGdec.h.

INTELSHORT

#define INTELSHORT

(

p

)

((*p) + (*(p+1)<<8))

Definition at line 210 of file PNGdec.h.

MOTOLONG

#define MOTOLONG

(

p

)

(((*p)<<24) + ((*(p+1))<<16) + ((*(p+2))<<8) + (*(p+3)))

Definition at line 213 of file PNGdec.h.

MOTOSHORT

#define MOTOSHORT

(

p

)

(((*(p))<<8) + (*(p+1)))

Definition at line 212 of file PNGdec.h.

PNG_FILE_BUF_SIZE

#define PNG_FILE_BUF_SIZE   2048

Definition at line 52 of file PNGdec.h.

PNG_MAX_BUFFERED_PIXELS

#define PNG_MAX_BUFFERED_PIXELS   (640*4 + 1)

Definition at line 55 of file PNGdec.h.

PNG_STATIC

#define PNG_STATIC

Definition at line 190 of file PNGdec.h.

REGISTER_WIDTH

#define REGISTER_WIDTH   32

Definition at line 216 of file PNGdec.h.

TRUE

#define TRUE   1

Definition at line 49 of file PNGdec.h.

Typedef Documentation

PNG_CLOSE_CALLBACK

typedef void() PNG_CLOSE_CALLBACK(void *pHandle)

Definition at line 130 of file PNGdec.h.

PNG_DRAW_CALLBACK

typedef void() PNG_DRAW_CALLBACK(PNGDRAW *)

Definition at line 129 of file PNGdec.h.

PNG_OPEN_CALLBACK

typedef void *() PNG_OPEN_CALLBACK(const char *szFilename, int32_t *pFileSize)

Definition at line 128 of file PNGdec.h.

PNG_READ_CALLBACK

typedef int32_t() PNG_READ_CALLBACK(PNGFILE *pFile, uint8_t *pBuf, int32_t iLen)

Definition at line 126 of file PNGdec.h.

PNG_SEEK_CALLBACK

typedef int32_t() PNG_SEEK_CALLBACK(PNGFILE *pFile, int32_t iPosition)

Definition at line 127 of file PNGdec.h.

PNGDRAW

typedef struct png_draw_tag PNGDRAW

PNGFILE

typedef struct png_file_tag PNGFILE

PNGIMAGE

typedef struct png_image_tag PNGIMAGE

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
PNG_FILTER_NONE
PNG_FILTER_SUB
PNG_FILTER_UP
PNG_FILTER_AVG
PNG_FILTER_PAETH
PNG_FILTER_COUNT

Definition at line 57 of file PNGdec.h.

anonymous enum

anonymous enum

Enumerator
PNG_CHECK_CRC
PNG_FAST_PALETTE

Definition at line 67 of file PNGdec.h.

anonymous enum

anonymous enum

Enumerator
PNG_PIXEL_GRAYSCALE
PNG_PIXEL_TRUECOLOR
PNG_PIXEL_INDEXED
PNG_PIXEL_GRAY_ALPHA
PNG_PIXEL_TRUECOLOR_ALPHA

Definition at line 73 of file PNGdec.h.

anonymous enum

anonymous enum

Enumerator
PNG_RGB565_LITTLE_ENDIAN
PNG_RGB565_BIG_ENDIAN

Definition at line 81 of file PNGdec.h.

anonymous enum

anonymous enum

Enumerator
PNG_MEM_RAM
PNG_MEM_FLASH

Definition at line 86 of file PNGdec.h.

anonymous enum

anonymous enum

Enumerator
PNG_SUCCESS
PNG_INVALID_PARAMETER
PNG_DECODE_ERROR
PNG_MEM_ERROR
PNG_NO_BUFFER
PNG_UNSUPPORTED_FEATURE
PNG_INVALID_FILE
PNG_TOO_BIG

Definition at line 92 of file PNGdec.h.

Function Documentation

PNG_close()

void PNG_close

(

PNGIMAGE *

pPNG

)

PNG_decode()

int PNG_decode	(	PNGIMAGE *	pPNG,
		void *	pUser,
		int	iOptions
	)

PNG_getBpp()

int PNG_getBpp

(

PNGIMAGE *

pPNG

)

PNG_getBuffer()

uint8_t * PNG_getBuffer

(

PNGIMAGE *

pPNG

)

PNG_getBufferSize()

int PNG_getBufferSize

(

PNGIMAGE *

pPNG

)

PNG_getHeight()

int PNG_getHeight

(

PNGIMAGE *

pPNG

)

PNG_getLastError()

int PNG_getLastError

(

PNGIMAGE *

pPNG

)

PNG_getPalette()

uint8_t * PNG_getPalette

(

PNGIMAGE *

pPNG

)

PNG_getPixelType()

int PNG_getPixelType

(

PNGIMAGE *

pPNG

)

PNG_getWidth()

int PNG_getWidth

(

PNGIMAGE *

pPNG

)

PNG_hasAlpha()

int PNG_hasAlpha

(

PNGIMAGE *

pPNG

)

PNG_isInterlaced()

int PNG_isInterlaced

(

PNGIMAGE *

pPNG

)

PNG_openFile()

int PNG_openFile	(	PNGIMAGE *	pPNG,
		const char *	szFilename
	)

PNG_openRAM()

int PNG_openRAM	(	PNGIMAGE *	pPNG,
		uint8_t *	pData,
		int	iDataSize
	)

PNG_setBuffer()

void PNG_setBuffer	(	PNGIMAGE *	pPNG,
		uint8_t *	pBuffer
	)