winppi.h

本源码是vc环境下的usb程序

/*++ 
Copyright (c) 1985-1999, Microsoft Corporation
All rights reserved

Module Name:

    winppi.h

Abstract:

    Procedure declarations, constant definitions and macros for the GDI
    component.

--*/
#ifndef _WINPPI_
#define _WINPPI_

typedef int (CALLBACK* EMFPLAYPROC)( HDC, INT, HANDLE );

#define  EMF_PP_COLOR_OPTIMIZATION  0x01

HANDLE WINAPI GdiGetSpoolFileHandle(
    LPWSTR     pwszPrinterName,
    LPDEVMODEW pDevmode,
    LPWSTR     pwszDocName);

BOOL WINAPI GdiDeleteSpoolFileHandle(
    HANDLE     SpoolFileHandle);

DWORD WINAPI GdiGetPageCount(
    HANDLE     SpoolFileHandle);

HDC WINAPI GdiGetDC(
    HANDLE     SpoolFileHandle);

HANDLE WINAPI GdiGetPageHandle(
    HANDLE     SpoolFileHandle,
    DWORD      Page,
    LPDWORD    pdwPageType);

BOOL WINAPI GdiStartDocEMF(
    HANDLE     SpoolFileHandle,
    DOCINFOW   *pDocInfo);

BOOL WINAPI GdiStartPageEMF(
    HANDLE     SpoolFileHandle);

BOOL WINAPI GdiPlayPageEMF(
    HANDLE     SpoolFileHandle,
    HANDLE     hemf,
    RECT       *prectDocument,
    RECT       *prectBorder,
    RECT       *prectClip);

BOOL WINAPI GdiEndPageEMF(
    HANDLE     SpoolFileHandle,
    DWORD      dwOptimization);

BOOL WINAPI GdiEndDocEMF(
    HANDLE     SpoolFileHandle);

BOOL WINAPI GdiGetDevmodeForPage(
    HANDLE     SpoolFileHandle,
    DWORD      dwPageNumber,
    PDEVMODEW  *pCurrDM,
    PDEVMODEW  *pLastDM);

BOOL WINAPI GdiResetDCEMF(
    HANDLE     SpoolFileHandle,
    PDEVMODEW  pCurrDM);

#endif /* _WINPPI_ */