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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 1998 - 2003 Microsoft Corporation. All Rights Reserved.
//
// FILE: DDIHook.cpp
//
//
// PURPOSE: Implementation of DDI Hook OEMEndDoc. This function
// dumps the buffered bitmap data out.
//
#include "precomp.h"
#include "bitmap.h"
#include "debug.h"
// This indicates to Prefast that this is a usermode driver file.
_Analysis_mode_(_Analysis_code_type_user_driver_);
//
// Function prototype is defined in printoem.h
//
BOOL APIENTRY
OEMEndDoc(
SURFOBJ *pso,
FLONG fl
)
/*++
Routine Description:
Implementation of DDI hook for DrvEndDoc.
DrvEndDoc is called by GDI when it has finished
sending a document to the driver for rendering.
Please refer to DDK documentation for more details.
This particular implementation of OEMEndDoc performs
the following operations:
- Dump the bitmap file header
- Dump the bitmap info header
- Dump the color table if one exists
- Dump the buffered bitmap data
- Free the memory for the data buffers
Arguments:
pso - Defines the surface object
flags - A set of flag bits
Return Value:
TRUE if successful, FALSE if there is an error
--*/
{
PDEVOBJ pDevObj = (PDEVOBJ)pso->dhpdev;
POEMPDEV pOemPDEV = (POEMPDEV)pDevObj->pdevOEM;
DWORD dwWritten;
INT cScans;
if (pOemPDEV->pBufStart)
{
// Fill BitmapFileHeader
//
DWORD dwTotalBytes = pOemPDEV->cbHeaderOffBits + pOemPDEV->bmInfoHeader.biSizeImage; // File size
pOemPDEV->bmFileHeader.bfType = 0x4d42; // Signature = 'BM'
pOemPDEV->bmFileHeader.bfSize = dwTotalBytes; // Bytes in whole file.
pOemPDEV->bmFileHeader.bfReserved1 = 0;
pOemPDEV->bmFileHeader.bfReserved2 = 0;
pOemPDEV->bmFileHeader.bfOffBits = pOemPDEV->cbHeaderOffBits; // Offset to bits in file.
if (pOemPDEV->bColorTable)
pOemPDEV->bmFileHeader.bfOffBits += pOemPDEV->cPalColors * sizeof(ULONG);
// Num of scanlines
//
cScans = pOemPDEV->bmInfoHeader.biHeight;
// Flip the biHeight member so that it denotes top-down bitmap
//
pOemPDEV->bmInfoHeader.biHeight = cScans * -1;
// Dump headers first
//
dwWritten = pDevObj->pDrvProcs->DrvWriteSpoolBuf(pDevObj, (void*)&(pOemPDEV->bmFileHeader), sizeof(BITMAPFILEHEADER));
dwWritten = pDevObj->pDrvProcs->DrvWriteSpoolBuf(pDevObj, (void*)&(pOemPDEV->bmInfoHeader), sizeof(BITMAPINFOHEADER));
if (pOemPDEV->bColorTable)
{
dwWritten = pDevObj->pDrvProcs->DrvWriteSpoolBuf(pDevObj, pOemPDEV->prgbq, pOemPDEV->cPalColors * sizeof(ULONG));
LocalFree(pOemPDEV->prgbq);
}
// Dump the data now
//
dwWritten = pDevObj->pDrvProcs->DrvWriteSpoolBuf(pDevObj, pOemPDEV->pBufStart, pOemPDEV->bmInfoHeader.biSizeImage);
// Free memory for the data buffers
//
vFreeBuffer(pOemPDEV);
}
// Punt call back to UNIDRV.
//
return (pOemPDEV->m_pfnDrvEndDoc)(pso, fl);
}
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