PS passthrough was sending 2 bytes too many.

Added GETSETPRINTORIENT stub.
Implemented EPSPRINTING mode changer.

dlls/wineps/escape.c

@@ -79,6 +79,7 @@ INT PSDRV_Escape( DC *dc, INT nEscape, INT cbInput,
 	    case SETCHARSET:
 	    case EXT_DEVICE_CAPS:
 	    case SET_BOUNDS:
+            case EPSPRINTING:
             case PASSTHROUGH:
             case POSTSCRIPT_PASSTHROUGH:
 	        return TRUE;
@@ -314,17 +315,37 @@ INT PSDRV_Escape( DC *dc, INT nEscape, INT cbInput,
 	    return 0;
 	}
 
+    case EPSPRINTING:
+	{
+	    UINT16	epsprint = *(UINT16*)MapSL(lpInData);
+	    /* FIXME: In this mode we do not need to send page intros and page
+	     * ends according to the doc. But I just ignore that detail
+	     * for now.
+	     */
+	    TRACE("EPS Printing support %sable.\n",epsprint?"en":"dis");
+	    return 1;
+        }
     case PASSTHROUGH:
     case POSTSCRIPT_PASSTHROUGH:
         {
             /* Write directly to spool file, bypassing normal PS driver
              * processing that is done along with writing PostScript code
              * to the spool.
+	     * (Usually we have a WORD before the data counting the size, but
+	     * cbInput is just this +2.)
              */
-            return WriteSpool16(physDev->job.hJob, ((char *)lpInData) + 2,
-                                cbInput);
+            return WriteSpool16(physDev->job.hJob,((char*)lpInData)+2,cbInput-2);
         }
 
+    case GETSETPRINTORIENT:
+	{
+	    /* If lpInData is present, it is a 20 byte structure, first 32
+	     * bit LONG value is the orientation. if lpInData is NULL, it
+	     * returns the current orientation.
+	     */
+	    FIXME("GETSETPRINTORIENT not implemented (lpInData %ld)!\n",lpInData);
+	    return 1;
+	}
     default:
         FIXME("Unimplemented code 0x%x\n", nEscape);
 	return 0;

graphics/escape.c

@@ -50,8 +50,10 @@ INT WINAPI Escape( HDC hdc, INT nEscape, INT cbInput,
     switch (nEscape) {
     	/* Escape(hdc,QUERYESCSUPPORT,LPINT,NULL) */
         /* Escape(hdc,CLIP_TO_PATH,LPINT,NULL) */
+        /* Escape(hdc,EPSPRINTING,LPINT,NULL) */
     case QUERYESCSUPPORT:
     case CLIP_TO_PATH:
+    case EPSPRINTING:
       {
     	LPINT16 x = (LPINT16)SEGPTR_NEW(INT16);
 	*x = *(INT*)lpszInData;

include/wingdi.h

@@ -327,6 +327,13 @@ DECL_WINELIB_TYPE_AW(LOGCOLORSPACE)
 #define CLOSECHANNEL		4112
 #define	POSTSCRIPT_PASSTHROUGH	4115
 #define	ENCAPSULATED_POSTSCRIPT	4116
+#define	POSTSCRIPT_IDENTIFY	4117
+#define	POSTSCRIPT_INJECTION	4118
+
+/* for POSTSCRIPT_IDENTIFY */
+#define PSIDENT_GDICENTRIC	0
+#define PSIDENT_PSCENTRIC	1
+
 
 #define QDI_SETDIBITS           1
 #define QDI_GETDIBITS           2