1 files changed, 151 insertions, 0 deletions
diff --git a/print/OEM Printer Customization Plug-in Samples/C++/oemps/devmode.cpp b/print/OEM Printer Customization Plug-in Samples/C++/oemps/devmode.cpp
new file mode 100644
index 00000000..3e66faeb
--- /dev/null
+++ b/print/OEM Printer Customization Plug-in Samples/C++/oemps/devmode.cpp
@@ -0,0 +1,151 @@
+//  THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
+//  ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+//  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
+//  PARTICULAR PURPOSE.
+//
+//  Copyright  1998 - 2003  Microsoft Corporation.  All Rights Reserved.
+//
+//  FILE:    Devmode.cpp
+//    
+//
+//  PURPOSE:  Implementation of Devmode functions shared with OEM UI and OEM rendering modules.
+//
+
+#include "precomp.h"
+#include "oemps.h"
+#include "debug.h"
+#include "devmode.h"
+
+
+// This indicates to Prefast that this is a usermode driver file.
+_Analysis_mode_(_Analysis_code_type_user_driver_);
+
+HRESULT hrOEMDevMode(DWORD dwMode, POEMDMPARAM pOemDMParam)
+{
+    POEMDEV pOEMDevIn;
+    POEMDEV pOEMDevOut;
+
+
+    // Verify parameters.
+    if( (NULL == pOemDMParam)
+        ||
+        ( (OEMDM_SIZE != dwMode)
+          &&
+          (OEMDM_DEFAULT != dwMode)
+          &&
+          (OEMDM_CONVERT != dwMode)
+          &&
+          (OEMDM_MERGE != dwMode)
+        )
+      )
+    {
+        ERR("DevMode() ERROR_INVALID_PARAMETER.\r\n");
+
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return E_FAIL;
+    }
+
+    // Cast generic (i.e. PVOID) to OEM private devomode pointer type.
+    pOEMDevIn = (POEMDEV) pOemDMParam->pOEMDMIn;
+    pOEMDevOut = (POEMDEV) pOemDMParam->pOEMDMOut;
+
+    switch(dwMode)
+    {
+        case OEMDM_SIZE:
+            pOemDMParam->cbBufSize = sizeof(OEMDEV);
+            break;
+
+        case OEMDM_DEFAULT:
+            pOEMDevOut->dmOEMExtra.dwSize       = sizeof(OEMDEV);
+            pOEMDevOut->dmOEMExtra.dwSignature  = OEM_SIGNATURE;
+            pOEMDevOut->dmOEMExtra.dwVersion    = OEM_VERSION;
+            pOEMDevOut->dwDriverData            = 0;
+            break;
+
+        case OEMDM_CONVERT:
+            ConvertOEMDevmode(pOEMDevIn, pOEMDevOut);
+            break;
+
+        case OEMDM_MERGE:
+            ConvertOEMDevmode(pOEMDevIn, pOEMDevOut);
+            MakeOEMDevmodeValid(pOEMDevOut);
+            break;
+    }
+
+    return S_OK;
+}
+
+
+BOOL ConvertOEMDevmode(PCOEMDEV pOEMDevIn, POEMDEV pOEMDevOut)
+{
+    if( (NULL == pOEMDevIn)
+        ||
+        (NULL == pOEMDevOut)
+      )
+    {
+        ERR("ConvertOEMDevmode() invalid parameters.\r\n");
+        return FALSE;
+    }
+
+    // Check OEM Signature, if it doesn't match ours,
+    // then just assume DMIn is bad and use defaults.
+    if(pOEMDevIn->dmOEMExtra.dwSignature == pOEMDevOut->dmOEMExtra.dwSignature)
+    {
+        VERBOSE("Converting private OEM Devmode.\r\n");
+
+        // Set the devmode defaults so that anything the isn't copied over will
+        // be set to the default value.
+        pOEMDevOut->dwDriverData = 0;
+
+        // Copy the old structure in to the new using which ever size is the smaller.
+        // Devmode maybe from newer Devmode (not likely since there is only one), or
+        // Devmode maybe a newer Devmode, in which case it maybe larger,
+        // but the first part of the structure should be the same.
+
+        // DESIGN ASSUMPTION: the private DEVMODE structure only gets added to;
+        // the fields that are in the DEVMODE never change only new fields get added to the end.
+
+        memcpy(pOEMDevOut, pOEMDevIn, __min(pOEMDevOut->dmOEMExtra.dwSize, pOEMDevIn->dmOEMExtra.dwSize));
+
+        // Re-fill in the size and version fields to indicated 
+        // that the DEVMODE is the current private DEVMODE version.
+        pOEMDevOut->dmOEMExtra.dwSize       = sizeof(OEMDEV);
+        pOEMDevOut->dmOEMExtra.dwVersion    = OEM_VERSION;
+    }
+    else
+    {
+        WARNING("Unknown DEVMODE signature, pOEMDMIn ignored.\r\n");
+
+        // Don't know what the input DEVMODE is, so just use defaults.
+        pOEMDevOut->dmOEMExtra.dwSize       = sizeof(OEMDEV);
+        pOEMDevOut->dmOEMExtra.dwSignature  = OEM_SIGNATURE;
+        pOEMDevOut->dmOEMExtra.dwVersion    = OEM_VERSION;
+        pOEMDevOut->dwDriverData            = 0;
+    }
+
+    return TRUE;
+}
+
+
+BOOL MakeOEMDevmodeValid(POEMDEV pOEMDevmode)
+{
+    if(NULL == pOEMDevmode)
+    {
+        return FALSE;
+    }
+
+    // ASSUMPTION: pOEMDevmode is large enough to contain OEMDEV structure.
+
+    // Make sure that dmOEMExtra indicates the current OEMDEV structure.
+    pOEMDevmode->dmOEMExtra.dwSize       = sizeof(OEMDEV);
+    pOEMDevmode->dmOEMExtra.dwSignature  = OEM_SIGNATURE;
+    pOEMDevmode->dmOEMExtra.dwVersion    = OEM_VERSION;
+
+    // Set driver data.
+    pOEMDevmode->dwDriverData = 0;
+
+    return TRUE;
+}
+
+
+