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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright 1997 - 2003 Microsoft Corporation. All Rights Reserved.
//
// FILE: BITMAP.H
//
//
// PURPOSE: Define the COemPDEV class which stores the private
// PDEV for the driver.
//
#pragma once
#define OEM_SIGNATURE 'MSFT'
#define OEM_VERSION 0x00000001L
#define RGB_BLACK RGB(0, 0, 0)
#define RGB_WHITE RGB(255, 255, 255)
class COemPDEV
{
public:
COemPDEV(void) :
m_pfnDrvEndDoc(NULL),
pBufStart(NULL),
dwBufSize(0),
cPalColors(0),
hpalDefault(),
prgbq(NULL),
cbHeaderOffBits(0),
bHeadersFilled(FALSE),
bColorTable(FALSE)
{
memset(&bmFileHeader, 0, sizeof(bmFileHeader));
memset(&bmInfoHeader, 0, sizeof(bmInfoHeader));
}
virtual ~COemPDEV(void)
{
}
void InitializeDDITable(DRVENABLEDATA* pded)
{
UINT iDrvFn;
UINT cDrvFn = pded->c;
PDRVFN pDrvFn = pded->pdrvfn;
for (iDrvFn = 0; iDrvFn < cDrvFn; ++iDrvFn, ++pDrvFn)
{
if (pDrvFn->iFunc == INDEX_DrvEndDoc)
{
m_pfnDrvEndDoc = (PFN_DrvEndDoc)(pDrvFn->pfn);
}
}
}
public:
PFN_DrvEndDoc m_pfnDrvEndDoc; // Unidrv function to call back into from the DDI hook
PBYTE pBufStart; // Pointer to start of buffer to hold the bitmap data
DWORD dwBufSize; // Buffer size
BITMAPFILEHEADER bmFileHeader; // BitmapFileHeader for each dump
BITMAPINFOHEADER bmInfoHeader; // BitmapInfoHeader for each dump
int cPalColors; // Count of colors in palette.
HPALETTE hpalDefault; // Default palette to pass to GDI.
_Field_size_(cPalColors) RGBQUAD * prgbq; // Color table
INT cbHeaderOffBits; // Offset to bits in the file
BOOL bHeadersFilled; // Flag to indicate if the header stuff has been filled
BOOL bColorTable; // Flag to indicate if color table needs to be dumped
};
typedef COemPDEV* POEMPDEV;
BOOL bGrowBuffer(POEMPDEV, DWORD); // Function to enlarge the buffer for holding the bitmap data
VOID vFreeBuffer(POEMPDEV); // Function to free the buffer for holding the bitmap data
BOOL bFillColorTable(POEMPDEV); // Function to fill the color table for the bitmap data
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