Merge pull request #1 from Microsoft/master

Updating Local

1 files changed, 132 insertions, 0 deletions

diff --git a/print/OEM Printer Customization Plug-in Samples/C++/bitmap/devmode.cpp b/print/OEM Printer Customization Plug-in Samples/C++/bitmap/devmode.cpp
new file mode 100644
index 00000000..7845d5c1
--- /dev/null
+++ b/print/OEM Printer Customization Plug-in Samples/C++/bitmap/devmode.cpp
@@ -0,0 +1,132 @@
+//  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:  Helper functions for manipulating the DEVMODE. These are commonly 
+//            shared by UI & rendering modules
+//
+
+
+#include "precomp.h"
+#include "bitmap.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_);
+
+
+BOOL bConvertOEMDevmode(
+    PCOEMDEV    pOEMDevIn, 
+    POEMDEV pOEMDevOut
+    )
+
+/*++
+
+Routine Description:
+
+    Converts private DEVMODE members to the 
+    current version.
+
+Arguments:
+
+    pOEMDevIn - pointer to OEM private devmode
+    pOEMDevOut - pointer to OEM private devmode
+
+Return Value:
+
+    TRUE if successful, FALSE if there is an error
+
+--*/
+
+{
+    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)
+    {
+        // 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
+    {
+        // 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 bMakeOEMDevmodeValid(
+    POEMDEV pOEMDevmode
+    )
+
+/*++
+
+Routine Description:
+
+    Ensures that private OEM devmode members are valid.
+
+Arguments:
+
+    pOEMDevmode - pointer to OEM private devmode
+    
+Return Value:
+
+    TRUE if successful, FALSE if there is an error
+
+--*/
+
+{
+    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;
+}
+