[PATCH v2 1/3] ole32: Add in-process user marshalling for bitmaps.
Zebediah Figura
zfigura at codeweavers.com
Thu Dec 7 11:20:10 CST 2017
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
dlls/ole32/tests/usrmarshal.c | 34 +++++++++++++++++++++++++++++
dlls/ole32/usrmarshal.c | 51 +++++++++++++++++++++++++++++++++++--------
2 files changed, 76 insertions(+), 9 deletions(-)
diff --git a/dlls/ole32/tests/usrmarshal.c b/dlls/ole32/tests/usrmarshal.c
index 529ad757c6..aaf3556abd 100644
--- a/dlls/ole32/tests/usrmarshal.c
+++ b/dlls/ole32/tests/usrmarshal.c
@@ -1190,6 +1190,39 @@ static void test_marshal_HBRUSH(void)
DeleteObject(hBrush);
}
+static void test_marshal_HBITMAP(void)
+{
+ static BYTE bmp_bits[1024];
+ MIDL_STUB_MESSAGE stub_msg;
+ HBITMAP hBitmap, hBitmap2;
+ USER_MARSHAL_CB umcb;
+ RPC_MESSAGE rpc_msg;
+ unsigned char *buffer, *buffer_end;
+ ULONG size;
+
+ hBitmap = CreateBitmap(16, 16, 1, 1, bmp_bits);
+ ok(hBitmap != 0, "CreateBitmap failed\n");
+
+ init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_INPROC);
+ size = HBITMAP_UserSize(&umcb.Flags, 1, &hBitmap);
+ ok(size == 0xc, "Wrong size %d\n", size);
+ buffer = HeapAlloc(GetProcessHeap(), 0, size + 4);
+ init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_INPROC);
+ buffer_end = HBITMAP_UserMarshal(&umcb.Flags, buffer + 1, &hBitmap);
+ ok(buffer_end == buffer + 0xc, "HBITMAP_UserMarshal() returned wrong size %d\n", (LONG)(buffer_end - buffer));
+ ok(*(ULONG *)(buffer + 0x4) == WDT_INPROC_CALL, "Context should be WDT_INPROC_CALL instead of 0x%08x\n", *(ULONG *)(buffer + 0x4));
+ ok(*(ULONG *)(buffer + 0x8) == (ULONG)(ULONG_PTR)hBitmap, "wirestgm + 0x4 should be bitmap handle instead of 0x%08x\n", *(ULONG *)(buffer + 0x8));
+
+ init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_INPROC);
+ HBITMAP_UserUnmarshal(&umcb.Flags, buffer + 1, &hBitmap2);
+ ok(hBitmap2 != NULL, "Didn't unmarshal properly\n");
+ HeapFree(GetProcessHeap(), 0, buffer);
+
+ init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_INPROC);
+ HBITMAP_UserFree(&umcb.Flags, &hBitmap2);
+ DeleteObject(hBitmap);
+}
+
struct obj
{
IDataObject IDataObject_iface;
@@ -1353,6 +1386,7 @@ START_TEST(usrmarshal)
test_marshal_HDC();
test_marshal_HICON();
test_marshal_HBRUSH();
+ test_marshal_HBITMAP();
test_GetDataHere_Proxy();
diff --git a/dlls/ole32/usrmarshal.c b/dlls/ole32/usrmarshal.c
index 89d0675f48..696b243043 100644
--- a/dlls/ole32/usrmarshal.c
+++ b/dlls/ole32/usrmarshal.c
@@ -584,10 +584,17 @@ void __RPC_USER HGLOBAL_UserFree(ULONG *pFlags, HGLOBAL *phGlobal)
* the first parameter is a ULONG.
* This function is only intended to be called by the RPC runtime.
*/
-ULONG __RPC_USER HBITMAP_UserSize(ULONG *pFlags, ULONG StartingSize, HBITMAP *phBmp)
+ULONG __RPC_USER HBITMAP_UserSize(ULONG *flags, ULONG size, HBITMAP *bmp)
{
- FIXME(":stub\n");
- return StartingSize;
+ TRACE("(%s, %d, %p)\n", debugstr_user_flags(flags), size, *bmp);
+
+ ALIGN_LENGTH(size, 3);
+
+ size += sizeof(ULONG);
+ if (LOWORD(*flags) == MSHCTX_INPROC)
+ size += sizeof(ULONG);
+
+ return size;
}
/******************************************************************************
@@ -609,10 +616,20 @@ ULONG __RPC_USER HBITMAP_UserSize(ULONG *pFlags, ULONG StartingSize, HBITMAP *ph
* the first parameter is a ULONG.
* This function is only intended to be called by the RPC runtime.
*/
-unsigned char * __RPC_USER HBITMAP_UserMarshal(ULONG *pFlags, unsigned char *pBuffer, HBITMAP *phBmp)
+unsigned char * __RPC_USER HBITMAP_UserMarshal(ULONG *flags, unsigned char *buffer, HBITMAP *bmp)
{
- FIXME(":stub\n");
- return pBuffer;
+ TRACE("(%s, %p, %p)\n", debugstr_user_flags(flags), buffer, *bmp);
+
+ ALIGN_POINTER(buffer, 3);
+
+ if (LOWORD(*flags) == MSHCTX_INPROC)
+ {
+ *(ULONG *)buffer = WDT_INPROC_CALL;
+ buffer += sizeof(ULONG);
+ *(ULONG *)buffer = (ULONG)(ULONG_PTR)*bmp;
+ buffer += sizeof(ULONG);
+ }
+ return buffer;
}
/******************************************************************************
@@ -634,10 +651,26 @@ unsigned char * __RPC_USER HBITMAP_UserMarshal(ULONG *pFlags, unsigned char *pBu
* the first parameter is an ULONG.
* This function is only intended to be called by the RPC runtime.
*/
-unsigned char * __RPC_USER HBITMAP_UserUnmarshal(ULONG *pFlags, unsigned char *pBuffer, HBITMAP *phBmp)
+unsigned char * __RPC_USER HBITMAP_UserUnmarshal(ULONG *flags, unsigned char *buffer, HBITMAP *bmp)
{
- FIXME(":stub\n");
- return pBuffer;
+ ULONG context;
+
+ TRACE("(%s, %p, %p)\n", debugstr_user_flags(flags), buffer, bmp);
+
+ ALIGN_POINTER(buffer, 3);
+
+ context = *(ULONG *)buffer;
+ buffer += sizeof(ULONG);
+
+ if (context == WDT_INPROC_CALL)
+ {
+ *bmp = *(HBITMAP *)buffer;
+ buffer += sizeof(*bmp);
+ }
+ else
+ RaiseException(RPC_S_INVALID_TAG, 0, 0, NULL);
+
+ return buffer;
}
/******************************************************************************
--
2.15.1
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