253 lines
6.2 KiB
C
253 lines
6.2 KiB
C
/*
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* Escape() function.
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*
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* Copyright 1994 Bob Amstadt
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*/
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#include <string.h>
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#include "wingdi.h"
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#include "gdi.h"
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#include "heap.h"
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#include "ldt.h"
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#include "dc.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(driver)
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/***********************************************************************
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* Escape16 [GDI.38]
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*/
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INT16 WINAPI Escape16( HDC16 hdc, INT16 nEscape, INT16 cbInput,
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SEGPTR lpszInData, SEGPTR lpvOutData )
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{
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc || !dc->funcs->pEscape) return 0;
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if(nEscape == SETABORTPROC) SetAbortProc16(hdc, lpszInData);
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return dc->funcs->pEscape( dc, nEscape, cbInput, lpszInData, lpvOutData );
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}
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/************************************************************************
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* Escape [GDI32.200]
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*/
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INT WINAPI Escape( HDC hdc, INT nEscape, INT cbInput,
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LPCSTR lpszInData, LPVOID lpvOutData )
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{
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SEGPTR segin,segout;
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INT ret;
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc || !dc->funcs->pEscape) return 0;
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segin = (SEGPTR)lpszInData;
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segout = (SEGPTR)lpvOutData;
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switch (nEscape) {
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/* Escape(hdc,QUERYESCSUPPORT,LPINT,NULL) */
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/* Escape(hdc,CLIP_TO_PATH,LPINT,NULL) */
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case QUERYESCSUPPORT:
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case CLIP_TO_PATH:
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{
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LPINT16 x = (LPINT16)SEGPTR_NEW(INT16);
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*x = *(INT*)lpszInData;
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segin = SEGPTR_GET(x);
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cbInput = sizeof(INT16);
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break;
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}
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/* Escape(hdc,GETSCALINGFACTOR,NULL,LPPOINT32) */
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/* Escape(hdc,GETPHYSPAGESIZE,NULL,LPPOINT32) */
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/* Escape(hdc,GETPRINTINGOFFSET,NULL,LPPOINT32) */
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case GETSCALINGFACTOR:
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case GETPHYSPAGESIZE:
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case GETPRINTINGOFFSET:
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segout = SEGPTR_GET(SEGPTR_NEW(POINT16));
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cbInput = sizeof(POINT16);
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break;
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/* Escape(hdc,EXT_DEVICE_CAPS,LPINT,LPDWORD) */
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case EXT_DEVICE_CAPS:
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{
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LPINT16 lpIndex = (LPINT16)SEGPTR_NEW(INT16);
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LPDWORD lpCaps = (LPDWORD)SEGPTR_NEW(DWORD);
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*lpIndex = *(INT*)lpszInData;
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segin = SEGPTR_GET(lpIndex);
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segout = SEGPTR_GET(lpCaps);
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cbInput = sizeof(INT16);
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break;
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}
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/* Escape(hdc,SETLINECAP,LPINT,LPINT) */
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case SETLINECAP:
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case SETLINEJOIN:
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case SETMITERLIMIT:
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{
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LPINT16 new = (LPINT16)SEGPTR_NEW(INT16);
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LPINT16 old = (LPINT16)SEGPTR_NEW(INT16);
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*new = *(INT*)lpszInData;
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segin = SEGPTR_GET(new);
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segout = SEGPTR_GET(old);
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cbInput = sizeof(INT16);
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break;
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}
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/* Escape(hdc,GETTECHNOLOGY,NULL,LPSTR); */
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case GETTECHNOLOGY: {
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segout = SEGPTR_GET(SEGPTR_ALLOC(200)); /* enough I hope */
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break;
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}
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/* Escape(hdc,ENABLEPAIRKERNING,LPINT16,LPINT16); */
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case ENABLEPAIRKERNING: {
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LPINT16 enab = SEGPTR_NEW(INT16);
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segout = SEGPTR_GET(SEGPTR_NEW(INT16));
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segin = SEGPTR_GET(enab);
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*enab = *(INT*)lpszInData;
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cbInput = sizeof(INT16);
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break;
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}
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/* Escape(hdc,GETFACENAME,NULL,LPSTR); */
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case GETFACENAME: {
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segout = SEGPTR_GET(SEGPTR_ALLOC(200));
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break;
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}
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/* Escape(hdc,STARTDOC,LPSTR,NULL); */
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case STARTDOC: /* string may not be \0 terminated */
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if(lpszInData) {
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char *cp = SEGPTR_ALLOC(cbInput);
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memcpy(cp, lpszInData, cbInput);
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segin = SEGPTR_GET(cp);
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} else
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segin = 0;
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break;
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case SETABORTPROC:
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SetAbortProc(hdc, (ABORTPROC)lpszInData);
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break;
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/* Escape(hdc,END_PATH,PATHINFO,NULL); */
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case END_PATH:
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{
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BYTE *p = SEGPTR_ALLOC(cbInput);
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memcpy(p, lpszInData, cbInput);
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segin = SEGPTR_GET(p);
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break;
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}
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default:
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break;
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}
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ret = dc->funcs->pEscape( dc, nEscape, cbInput, segin, segout );
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switch(nEscape) {
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case QUERYESCSUPPORT:
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if (ret)
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TRACE("target DC implements Escape %d\n",nEscape);
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SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
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break;
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case SETLINECAP:
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case SETLINEJOIN:
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case SETMITERLIMIT:
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*(LPINT)lpvOutData = *(LPINT16)PTR_SEG_TO_LIN(segout);
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SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
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SEGPTR_FREE(PTR_SEG_TO_LIN(segout));
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break;
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case GETSCALINGFACTOR:
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case GETPRINTINGOFFSET:
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case GETPHYSPAGESIZE: {
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LPPOINT16 x = (LPPOINT16)PTR_SEG_TO_LIN(segout);
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CONV_POINT16TO32(x,(LPPOINT)lpvOutData);
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SEGPTR_FREE(x);
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break;
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}
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case EXT_DEVICE_CAPS:
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*(LPDWORD)lpvOutData = *(LPDWORD)PTR_SEG_TO_LIN(segout);
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SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
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SEGPTR_FREE(PTR_SEG_TO_LIN(segout));
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break;
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case GETTECHNOLOGY: {
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LPSTR x=PTR_SEG_TO_LIN(segout);
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lstrcpyA(lpvOutData,x);
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SEGPTR_FREE(x);
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break;
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}
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case ENABLEPAIRKERNING: {
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LPINT16 enab = (LPINT16)PTR_SEG_TO_LIN(segout);
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*(LPINT)lpvOutData = *enab;
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SEGPTR_FREE(enab);
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SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
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break;
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}
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case GETFACENAME: {
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LPSTR x = (LPSTR)PTR_SEG_TO_LIN(segout);
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lstrcpyA(lpvOutData,x);
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SEGPTR_FREE(x);
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break;
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}
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case STARTDOC:
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case CLIP_TO_PATH:
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case END_PATH:
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SEGPTR_FREE(PTR_SEG_TO_LIN(segin));
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break;
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default:
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break;
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}
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return ret;
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}
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/******************************************************************************
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* ExtEscape [GDI32.95]
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*
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* PARAMS
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* hdc [I] Handle to device context
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* nEscape [I] Escape function
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* cbInput [I] Number of bytes in input structure
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* lpszInData [I] Pointer to input structure
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* cbOutput [I] Number of bytes in output structure
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* lpszOutData [O] Pointer to output structure
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*
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* RETURNS
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* Success: >0
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* Not implemented: 0
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* Failure: <0
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*/
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INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput,
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LPCSTR lpszInData, INT cbOutput, LPSTR lpszOutData )
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{
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char *inBuf, *outBuf;
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INT ret;
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inBuf = SEGPTR_ALLOC(cbInput);
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memcpy(inBuf, lpszInData, cbInput);
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outBuf = cbOutput ? SEGPTR_ALLOC(cbOutput) : NULL;
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ret = Escape16( hdc, nEscape, cbInput, SEGPTR_GET(inBuf),
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SEGPTR_GET(outBuf) );
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SEGPTR_FREE(inBuf);
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if(outBuf) {
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memcpy(lpszOutData, outBuf, cbOutput);
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SEGPTR_FREE(outBuf);
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}
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return ret;
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}
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/*******************************************************************
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* DrawEscape [GDI32.74]
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*
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*
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*/
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INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
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{
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FIXME("DrawEscape, stub\n");
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return 0;
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}
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