mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
130 lines
3.1 KiB
130 lines
3.1 KiB
/*
|
|
*
|
|
*
|
|
* !!!!!!!!! THIS FILE IS NOT USED !!!!!!!!!!!!!!!
|
|
*
|
|
*
|
|
*/
|
|
#error THIS FILE IS NOT USED
|
|
#include <windows.h>
|
|
|
|
#undef WINAPI
|
|
#define WINAPI FAR PASCAL _loadds
|
|
|
|
#include "dciman.h"
|
|
|
|
static char szSystemIni[] = "system.ini";
|
|
static char szDrivers[] = "Drivers";
|
|
static char szDCI[] = "dci";
|
|
static char szDISPLAY[] = "display";
|
|
static char szDCISVGA[] = "dcisvga";
|
|
|
|
static BOOL fDVA;
|
|
extern LONG DVAEscape(HDC hdc, UINT function, UINT size, LPVOID lp_in_data, LPVOID lp_out_data);
|
|
|
|
/****************************************************************************
|
|
***************************************************************************/
|
|
|
|
HDC WINAPI DCIOpenProvider(void)
|
|
{
|
|
char ach[128];
|
|
HDC hdc;
|
|
UINT u;
|
|
|
|
//
|
|
// get the DCI provider, default to the display driver
|
|
//
|
|
GetPrivateProfileString(szDrivers, szDCI, szDISPLAY, ach, sizeof(ach), szSystemIni);
|
|
|
|
//
|
|
// if dci=dcisvga in system.ini, ignore it and try the display driver first.
|
|
//
|
|
if (lstrcmpi(ach, szDCISVGA) == 0) {
|
|
lstrcpy(ach, szDISPLAY);
|
|
}
|
|
|
|
again:
|
|
u = SetErrorMode(SEM_NOOPENFILEERRORBOX);
|
|
hdc = CreateDC(ach, NULL, NULL, NULL);
|
|
SetErrorMode(u);
|
|
|
|
if (hdc == NULL)
|
|
{
|
|
fail:
|
|
if (lstrcmpi(ach, szDCISVGA) == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
if (lstrcmpi(ach, szDISPLAY) == 0) {
|
|
lstrcpy(ach, szDISPLAY);
|
|
goto again;
|
|
}
|
|
|
|
lstrcpy(ach, szDISPLAY);
|
|
goto again;
|
|
}
|
|
|
|
//
|
|
// now check for the Escape
|
|
//
|
|
u = DCICOMMAND;
|
|
if (Escape(hdc, QUERYESCSUPPORT,sizeof(u),(LPCSTR)&u,NULL) == 0)
|
|
{
|
|
//
|
|
// driver does not do escape, punt it, try old DVA first though
|
|
//
|
|
if (lstrcmpi(ach, szDISPLAY) == 0)
|
|
{
|
|
if (DVAEscape(hdc,QUERYESCSUPPORT,sizeof(u),(LPCSTR)&u,NULL) != 0)
|
|
{
|
|
fDVA = TRUE;
|
|
return hdc;
|
|
}
|
|
}
|
|
|
|
DeleteDC(hdc);
|
|
goto fail;
|
|
}
|
|
|
|
return hdc;
|
|
|
|
}
|
|
|
|
/****************************************************************************
|
|
***************************************************************************/
|
|
|
|
void WINAPI DCICloseProvider(HDC hdc)
|
|
{
|
|
if (hdc)
|
|
DeleteDC(hdc);
|
|
}
|
|
|
|
/****************************************************************************
|
|
***************************************************************************/
|
|
|
|
int WINAPI DCISendCommand(HDC hdc, DCICMD FAR *pcmd, VOID FAR * FAR * lplpOut)
|
|
{
|
|
if (lplpOut) // in case it fails, make sure this is NULL
|
|
*lplpOut = NULL;
|
|
|
|
if (fDVA)
|
|
return DVAEscape(hdc, DCICOMMAND, sizeof(DCICMD),(LPCSTR)pcmd, lplpOut);
|
|
else
|
|
return Escape(hdc, DCICOMMAND, sizeof(DCICMD),(LPCSTR)pcmd, lplpOut);
|
|
}
|
|
|
|
/****************************************************************************
|
|
***************************************************************************/
|
|
|
|
extern int WINAPI DCICreatePrimary(HDC hdc, DCISURFACEINFO FAR * FAR *lplpSurface)
|
|
{
|
|
DCICMD cmd;
|
|
|
|
cmd.dwCommand = DCICREATEPRIMARYSURFACE;
|
|
cmd.dwParam1 = 0;
|
|
cmd.dwParam2 = 0;
|
|
cmd.dwVersion = DCI_VERSION;
|
|
cmd.dwReserved = 0;
|
|
|
|
return DCISendCommand(hdc, &cmd, lplpSurface);
|
|
}
|