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//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
//** **//
//** (C)Copyright 2011, American Megatrends, Inc. **//
//** **//
//** All Rights Reserved. **//
//** **//
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **//
//** **//
//** Phone (770)-246-8600 **//
//** **//
//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
// $Archive: /Alaska/SOURCE/Modules/AMITSE2_0/AMITSE/TseAdvanced/png.h $
//
// $Author: Arunsb $
//
// $Revision: 2 $
//
// $Date: 10/18/12 5:53a $
//
//*****************************************************************//
//*****************************************************************//
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/AMITSE2_0/AMITSE/TseAdvanced/png.h $
//
// 2 10/18/12 5:53a Arunsb
// Updated for 2.16.1235 QA submission
//
// 2 10/10/12 12:35p Arunsb
// Synched the source for v2.16.1232, backup with Aptio
//
// 1 6/13/11 12:21p Rajashakerg
// EIP:60910 -PNG image support in TSE.
//
//
//*****************************************************************//
//*****************************************************************//
//<AMI_FHDR_START>
//----------------------------------------------------------------------------
//
// Name: png.h
//
// Description: Header file for png image format related code
//
//----------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "MyDefs.h"
#include EFI_PROTOCOL_DEFINITION(GraphicsOutput)
#ifndef _PNG_H_
#define _PNG_H_
EFI_STATUS ConvertPNGToBlt ( IN VOID *PNGImage, IN UINT32 PNGImageSize, IN OUT VOID **Blt, IN OUT UINTN *BltSize, OUT UINT32 *PixelHeight, OUT UINT32 *PixelWidth);
typedef struct _PngHeader //information about the PNG image
{
unsigned int width; //width of the image in pixels
unsigned int height; //height of the image in pixels
unsigned int bitDepth;
unsigned int colorType;
unsigned int compressionMethod; //compression method of the original file
unsigned int filterMethod; //filter method of the original file
unsigned int interlaceMethod; //interlace method of the original file
} PngHeader;
typedef struct _PngPalette
{
unsigned int nEntry;
unsigned char *entry;
} PngPalette;
typedef struct _PngTransparency
{
unsigned int col[3];
} PngTransparency;
enum{
gamma_default=100000
};
typedef struct _PngImageDecoder
{
PngHeader hdr;
PngPalette plt;
PngTransparency trns;
int wid,hei;
unsigned char *rgba; // Raw data of R,G,B,A
int autoDeleteRgbaBuffer;
int filter,x,y,firstByte;
int inLineCount;
int inPixelCount;
unsigned int r,g,b,msb; // msb for reading 16 bit depth
unsigned int index;
unsigned int interlacePass;
unsigned char *twoLineBuf8,*curLine8,*prvLine8; // For filtering
unsigned int gamma;
}PngImageDecoder;
PngImageDecoder gPng_Info;
void Initialize(void);
int CheckSignature(CHAR8 *PNGImage);
EFI_STATUS ReadChunk(unsigned *length,unsigned char **buf,unsigned *chunkType,unsigned *crc);
void Header_Decode(unsigned char dat[]);
EFI_STATUS Palette_Decode(unsigned length,unsigned char dat[]);
EFI_STATUS Transparency_Decode(unsigned length,unsigned char dat[],unsigned int colorType);
EFI_STATUS Decode(unsigned char *PNGImage,UINT32 PNGImageSize);
void ShiftTwoLineBuf(void);
EFI_STATUS PrepareOutput(void);
EFI_STATUS Output(unsigned char dat);
EFI_STATUS EndOutput(void);
EFI_STATUS Uncompress(unsigned length, unsigned char dat[]);
#endif //#ifndef _PNG_H_
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
