Sweden-Number/graphics/escape.c

204 lines
4.9 KiB
C

/*
* Escape() function.
*
* Copyright 1994 Bob Amstadt
*/
#include <string.h>
#include "wingdi.h"
#include "gdi.h"
#include "heap.h"
#include "ldt.h"
#include "dc.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(driver)
/***********************************************************************
* Escape16 [GDI.38]
*/
INT16 WINAPI Escape16( HDC16 hdc, INT16 nEscape, INT16 cbInput,
SEGPTR lpszInData, SEGPTR lpvOutData )
{
DC * dc = DC_GetDCPtr( hdc );
if (!dc || !dc->funcs->pEscape) return 0;
return dc->funcs->pEscape( dc, nEscape, cbInput, lpszInData, lpvOutData );
}
/************************************************************************
* Escape [GDI32.200]
*/
INT WINAPI Escape( HDC hdc, INT nEscape, INT cbInput,
LPCSTR lpszInData, LPVOID lpvOutData )
{
SEGPTR segin,segout;
INT ret;
segin = (SEGPTR)lpszInData;
segout = (SEGPTR)lpvOutData;
switch (nEscape) {
/* Escape(hdc,QUERYESCSUPPORT,LPINT,NULL) */
/* Escape(hdc,EXT_DEVICE_CAPS,LPINT,NULL) */
/* Escape(hdc,SETLINECAP,LPINT,NULL) */
case QUERYESCSUPPORT:
case EXT_DEVICE_CAPS:
case SETLINECAP:
case SETLINEJOIN:
{
LPINT16 x = (LPINT16)SEGPTR_NEW(INT16);
*x = *(INT*)lpszInData;
segin = SEGPTR_GET(x);
cbInput = sizeof(INT16);
break;
}
/* Escape(hdc,GETSCALINGFACTOR,NULL,LPPOINT32) */
/* Escape(hdc,GETPHYSPAGESIZE,NULL,LPPOINT32) */
/* Escape(hdc,GETPRINTINGOFFSET,NULL,LPPOINT32) */
case GETSCALINGFACTOR:
case GETPHYSPAGESIZE:
case GETPRINTINGOFFSET:
segout = SEGPTR_GET(SEGPTR_NEW(POINT16));
cbInput = sizeof(POINT16);
break;
/* Escape(hdc,GETTECHNOLOGY,NULL,LPSTR); */
case GETTECHNOLOGY: {
segout = SEGPTR_GET(SEGPTR_ALLOC(200)); /* enough I hope */
break;
}
/* Escape(hdc,ENABLEPAIRKERNING,LPINT16,LPINT16); */
case ENABLEPAIRKERNING: {
LPINT16 enab = SEGPTR_NEW(INT16);
segout = SEGPTR_GET(SEGPTR_NEW(INT16));
segin = SEGPTR_GET(enab);
*enab = *(INT*)lpszInData;
cbInput = sizeof(INT16);
break;
}
/* Escape(hdc,GETFACENAME,NULL,LPSTR); */
case GETFACENAME: {
segout = SEGPTR_GET(SEGPTR_ALLOC(200));
break;
}
/* Escape(hdc,STARTDOC,LPSTR,NULL); */
case STARTDOC: /* string may not be \0 terminated */
if(lpszInData) {
char *cp = SEGPTR_ALLOC(cbInput);
memcpy(cp, lpszInData, cbInput);
segin = SEGPTR_GET(cp);
} else
segin = 0;
break;
default:
break;
}
ret = Escape16( hdc, nEscape, cbInput, segin, segout );
switch(nEscape) {
case QUERYESCSUPPORT:
if (ret)
TRACE("target DC implements Escape %d\n",nEscape);
SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
break;
case EXT_DEVICE_CAPS:
case SETLINECAP:
case SETLINEJOIN:
SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
break;
case GETSCALINGFACTOR:
case GETPRINTINGOFFSET:
case GETPHYSPAGESIZE: {
LPPOINT16 x = (LPPOINT16)PTR_SEG_TO_LIN(segout);
CONV_POINT16TO32(x,(LPPOINT)lpvOutData);
SEGPTR_FREE(x);
break;
}
case GETTECHNOLOGY: {
LPSTR x=PTR_SEG_TO_LIN(segout);
lstrcpyA(lpvOutData,x);
SEGPTR_FREE(x);
break;
}
case ENABLEPAIRKERNING: {
LPINT16 enab = (LPINT16)PTR_SEG_TO_LIN(segout);
*(LPINT)lpvOutData = *enab;
SEGPTR_FREE(enab);
SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
break;
}
case GETFACENAME: {
LPSTR x = (LPSTR)PTR_SEG_TO_LIN(segout);
lstrcpyA(lpvOutData,x);
SEGPTR_FREE(x);
break;
}
case STARTDOC:
SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
break;
default:
break;
}
return ret;
}
/******************************************************************************
* ExtEscape [GDI32.95]
*
* PARAMS
* hdc [I] Handle to device context
* nEscape [I] Escape function
* cbInput [I] Number of bytes in input structure
* lpszInData [I] Pointer to input structure
* cbOutput [I] Number of bytes in output structure
* lpszOutData [O] Pointer to output structure
*
* RETURNS
* Success: >0
* Not implemented: 0
* Failure: <0
*/
INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput,
LPCSTR lpszInData, INT cbOutput, LPSTR lpszOutData )
{
char *inBuf, *outBuf;
INT ret;
inBuf = SEGPTR_ALLOC(cbInput);
memcpy(inBuf, lpszInData, cbInput);
outBuf = cbOutput ? SEGPTR_ALLOC(cbOutput) : NULL;
ret = Escape16( hdc, nEscape, cbInput, SEGPTR_GET(inBuf),
SEGPTR_GET(outBuf) );
SEGPTR_FREE(inBuf);
if(outBuf) {
memcpy(lpszOutData, outBuf, cbOutput);
SEGPTR_FREE(outBuf);
}
return ret;
}
/*******************************************************************
* DrawEscape [GDI32.74]
*
*
*/
INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
{
FIXME("DrawEscape, stub\n");
return 0;
}