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//*****************************************************************//
//*****************************************************************//
//*****************************************************************//
//** **//
//** (C)Copyright 2010, 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/pcxc.c $
//
// $Author: Arunsb $
//
// $Revision: 5 $
//
// $Date: 10/18/12 5:53a $
//
//*****************************************************************//
//*****************************************************************//
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/AMITSE2_0/AMITSE/TseAdvanced/pcxc.c $
//
// 5 10/18/12 5:53a Arunsb
// Updated for 2.16.1235 QA submission
//
// 8 10/10/12 12:35p Arunsb
// Synched the source for v2.16.1232, backup with Aptio
//
// 4 2/19/10 1:02p Madhans
// Updated for TSE 2.01. Refer Changelog.log for File change history.
//
// 6 2/19/10 8:11a Mallikarjunanv
// updated year in copyright message
//
// 5 8/13/09 12:16p Blaines
// Move Image support to binary module
//
// 4 8/04/09 10:23a Madhans
// Fix to support big PCX images.(previously it was not supporing 800x600
// images.)
//
// 3 6/23/09 7:09p Blaines
// Coding standard update,
// Remove spaces from file header to allow proper chm function list
// creation.
//
// 2 6/12/09 7:43p Presannar
// Initial implementation of coding standards for AMITSE2.0
//
// 1 6/04/09 8:05p Madhans
//
// 1 4/28/09 11:16p Madhans
// Tse 2.0 Code complete Checkin.
//
// 1 4/28/09 10:27p Madhans
// Tse 2.0 Code complete Checkin.
//
// 3 7/05/06 11:19a Madhans
//
// 2 7/05/06 11:09a Madhans
// DecodePCX function optimized.
//
// 1 6/30/06 4:22p Madhans
// PCX image support in C.
//
// 2 6/26/06 8:41a Shirinmd
// Modifications based on design change suggested by Madhan
//
// 1 6/16/06 8:15a Shirinmd
// Added PCX Support in C for Minisetup
//
//*****************************************************************//
//<AMI_FHDR_START>
//----------------------------------------------------------------------------
//
// Name: pcx.c
//
// Description: This file contains code for pcx image handling
//
//----------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "pcx.h"
AMI_TRUECOLOR_PIXEL * ScreenBuffer = (AMI_TRUECOLOR_PIXEL *)NULL;
//Functions
BOOL PCX_Init(BYTE * pbyPCXImage, PCX_INFO *pPCX_INFO, DWORD dwPCXImageSize);
BOOL GetPCXDimensions( BYTE * pbyPCXImageData, UINT32 * pn32Width, UINT32 * pn32Height);
BOOL DecodePCX(BYTE * pbyPCXInputData, BYTE * pbyPCXOutputData, DWORD dwPCXImageSize);
void Decode_Line(DWORD *wCountX, PCX_INFO *pPCX_INFO, BYTE *pbOneLineBuffer);
void Output_Line(DWORD wTop, PCX_INFO *pPCX_INFO, BYTE *pbOneLineBuffer);
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: PCX_Init
//
// Description: This routine is used to fill the PCX_INFO structure.
//
// Input: BYTE * pbyPCXImage - Pointer that gives the memory location
// where the PCX input data is available.
// PCX_INFO *pPCX_INFO - Pointer to PCX_INFO structure
// DWORD dwPCXImageSize - Size of the PCX Image
//
// Output: BOOL - TRUE/FALSE
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
BOOL PCX_Init(BYTE * pbyPCXImage, PCX_INFO *pPCX_INFO, DWORD dwPCXImageSize)
{
PCX_HEADER *pPCX_HEADER = (PCX_HEADER *)pbyPCXImage;
if(pPCX_HEADER->bVersion != 5 || pPCX_HEADER->bBitsPerPixel == 1 || pPCX_HEADER->bBitsPerPixel == 2 || pPCX_HEADER->bColorPlanes != 1)
return FALSE;
pPCX_INFO->wImageWidth = pPCX_HEADER->wXmax - pPCX_HEADER->wXmin + 1;
pPCX_INFO->wImageHeight = pPCX_HEADER->wYmax - pPCX_HEADER->wYmin + 1;
pPCX_INFO->wBytesPerLine = pPCX_HEADER->wBytesPerLine;
pPCX_INFO->bBitsPerPixel = pPCX_HEADER->bBitsPerPixel;
pPCX_INFO->dwPCXImageSize = dwPCXImageSize;
pPCX_INFO->bpPCXData = pbyPCXImage + 128;
if(pPCX_HEADER->bBitsPerPixel == 8) //256 color image palette at the end
pPCX_INFO->bpPalette = pbyPCXImage + dwPCXImageSize - 768;
else if(pPCX_HEADER->bBitsPerPixel == 4) //16 color image palette in the header
pPCX_INFO->bpPalette = pPCX_HEADER->bPalette;
return TRUE;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: GetPCXDimensions
//
// Description: Get the dimensions (Width and Height of the PCX Image).
//
// Input: BYTE * pbyPCXImageData - Pointer to the buffer that contains the PCX data
// UINT32 * pun32Width - Pointer to the UINT32 variable that will
// receive the Width of the PCX Image
// UINT32 * pun32Height - Pointer to the UINT32 variable that
// will receive the Height of the PCX Image
//
// Output: BOOL - TRUE/FALSE
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
BOOL GetPCXDimensions( BYTE * pbyPCXImageData, UINT32 * pun32Width, UINT32 * pun32Height){
BOOL bReturn = FALSE;
WORD wWidth = 0;
WORD wHeight= 0;
wWidth = *((WORD*)(pbyPCXImageData+8)) - *((WORD*)(pbyPCXImageData+4)) + 1;
wHeight = *((WORD*)(pbyPCXImageData+10)) - *((WORD*)(pbyPCXImageData+6)) + 1;
if( (wWidth > 0) && (wHeight > 0))
{
*pun32Width = (UINT32)wWidth;
*pun32Height = (UINT32)wHeight;
bReturn = TRUE;
}
return bReturn;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: Decode_Line
//
// Description: This routine will first check whether the PCX image is 16
// color or 256 color and then decode the PCX image data one
// line at a time and put the decoded data in a One Line Buffer.
//
// Input: WORD *wCountX - Pointer to the index of the image data after 128 byte header
// PCX_INFO *pPCX_INFO - Pointer to PCX_INFO structure
// BYTE *pbOneLineBuffer - Pointer to the buffer that holds one line of decoded data.
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void Decode_Line(DWORD *wCountX, PCX_INFO *pPCX_INFO, BYTE *pbOneLineBuffer)
{
WORD wOffset_of_buffer = 0;
int nDataCount = 0;
WORD wLength_of_buffer = 0;
while(wLength_of_buffer < (pPCX_INFO->wImageWidth))
{
if((pPCX_INFO->bpPCXData[*wCountX] & 0xC0) >= 0xC0)
nDataCount = (pPCX_INFO->bpPCXData[(*wCountX)++] & 0x3f);
else
nDataCount = 1;
while(nDataCount--)
{
if(pPCX_INFO->bBitsPerPixel == 8)
{
pbOneLineBuffer[wOffset_of_buffer++] = pPCX_INFO->bpPCXData[*wCountX];
(wLength_of_buffer)++;
}
else if(pPCX_INFO->bBitsPerPixel == 4)
{
pbOneLineBuffer[wOffset_of_buffer++] = ((pPCX_INFO->bpPCXData[*wCountX]) >> 4);
pbOneLineBuffer[wOffset_of_buffer++] = ((pPCX_INFO->bpPCXData[*wCountX]) & 0x0f);
(wLength_of_buffer) = (wLength_of_buffer)+2;
}
}
(*wCountX)++;
}
if(pPCX_INFO->bBitsPerPixel == 8)
{
if((pPCX_INFO->wImageWidth) != (pPCX_INFO->wBytesPerLine))
(*wCountX)++;
}
else if(pPCX_INFO->bBitsPerPixel == 4)
{
if(wLength_of_buffer < ((pPCX_INFO->wBytesPerLine)<<1))
(*wCountX)++;
}
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: Output_Line
//
// Description: This routine is used to map the decoded data to the palette
// and fill the global Screen Buffer.
//
// Input: WORD wTop - This variable gives the position from where a
// line should start in the Screen Buffer
// PCX_INFO *pPCX_INFO - Pointer to PCX_INFO structure
// BYTE *pbOneLineBuffer - Pointer to the buffer that holds one line of decoded data.
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void Output_Line(DWORD wTop, PCX_INFO *pPCX_INFO, BYTE *pbOneLineBuffer)
{
WORD wCountX;
int nIndex;
AMI_TRUECOLOR_PIXEL * pStartofLineInScreenBuffer = (AMI_TRUECOLOR_PIXEL *)ScreenBuffer + (wTop*(pPCX_INFO->wImageWidth));
for(wCountX = 0; wCountX< pPCX_INFO->wImageWidth; wCountX++)
{
nIndex = (3 * (int)(pbOneLineBuffer[wCountX]));
pStartofLineInScreenBuffer->Red = pPCX_INFO->bpPalette[nIndex];
pStartofLineInScreenBuffer->Green = pPCX_INFO->bpPalette[nIndex + 1];
pStartofLineInScreenBuffer->Blue = pPCX_INFO->bpPalette[nIndex + 2];
pStartofLineInScreenBuffer++;
}
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: DecodePCX
//
// Description: This routine will call functions to decode both 16 and 256
// color PCX images of version 5 (with palette information) and
// fill the Screen Buffer.
//
// Input: BYTE * pbyPCXInputData - Pointer that gives the memory location
// where the PCX input data is available.
// BYTE * pbyPCXOutputData - Pointer to the buffer that will
// receive the decoded PCX image
// DWORD dwPCXImageSize - Size of the PCX Image
//
// Output: BOOL - TRUE/FALSE
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
BOOL DecodePCX(BYTE * pbyPCXInputData, BYTE * pbyPCXOutputData, DWORD dwPCXImageSize)
{
PCX_INFO pcx_info;
BYTE * bOneLineBuffer = NULL;
DWORD wCountY = 0;
DWORD wCountX = 0;
bOneLineBuffer = EfiLibAllocatePool(sizeof(BYTE)*1280);
if(bOneLineBuffer == NULL)
return FALSE;
ScreenBuffer = (AMI_TRUECOLOR_PIXEL *)pbyPCXOutputData;
if(PCX_Init(pbyPCXInputData, &pcx_info, dwPCXImageSize))
{
for(wCountY = 0; wCountY < pcx_info.wImageHeight; wCountY++)
{
Decode_Line(&wCountX, &pcx_info, bOneLineBuffer);
Output_Line(wCountY, &pcx_info, bOneLineBuffer);
}
MemFreePointer( (VOID **)&bOneLineBuffer);
return TRUE;
}
else
{
MemFreePointer( (VOID **)&bOneLineBuffer);
return FALSE;
}
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Building 200,Norcross, Georgia 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
