[PATCH 4/4] mfplat: Add trivial implementation of MFCopyImage().

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov 
---
 dlls/mfplat/main.c         | 15 +++++++++++++--
 dlls/mfplat/tests/mfplat.c | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/dlls/mfplat/main.c b/dlls/mfplat/main.c
index 94d5ab0f48..21240dfbeb 100644
--- a/dlls/mfplat/main.c
+++ b/dlls/mfplat/main.c
@@ -476,10 +476,21 @@ HRESULT WINAPI MFUnlockPlatform(void)
     return S_OK;
 }

+/***********************************************************************
+ *      MFCopyImage (mfplat.@)
+ */
 HRESULT WINAPI MFCopyImage(BYTE *dest, LONG deststride, const BYTE *src, LONG srcstride, DWORD width, DWORD lines)
 {
-    FIXME("(%p, %d, %p, %d, %d, %d) stub\n", dest, deststride, src, srcstride, width, lines);
-    return E_NOTIMPL;
+    TRACE("(%p, %d, %p, %d, %u, %u)\n", dest, deststride, src, srcstride, width, lines);
+
+    while (lines--)
+    {
+        memcpy(dest, src, width);
+        dest += deststride;
+        src += srcstride;
+    }
+
+    return S_OK;
 }

typedef struct _mfattributes
diff --git a/dlls/mfplat/tests/mfplat.c b/dlls/mfplat/tests/mfplat.c
index 8b06e23375..7d319b480d 100644
--- a/dlls/mfplat/tests/mfplat.c
+++ b/dlls/mfplat/tests/mfplat.c
@@ -877,6 +877,40 @@ static void test_allocate_queue(void)
     ok(hr == S_OK, "Failed to shutdown, hr %#x.\n", hr);
 }

+static void test_MFCopyImage(void)
+{
+    BYTE dest[16], src[16];
+    HRESULT hr;
+
+    memset(dest, 0xaa, sizeof(dest));
+    memset(src, 0x11, sizeof(src));
+
+    hr = MFCopyImage(dest, 8, src, 8, 4, 1);
+    ok(hr == S_OK, "Failed to copy image %#x.\n", hr);
+    ok(!memcmp(dest, src, 4) && dest[4] == 0xaa, "Unexpected buffer contents.\n");
+
+    memset(dest, 0xaa, sizeof(dest));
+    memset(src, 0x11, sizeof(src));
+
+    hr = MFCopyImage(dest, 8, src, 8, 16, 1);
+    ok(hr == S_OK, "Failed to copy image %#x.\n", hr);
+    ok(!memcmp(dest, src, 16), "Unexpected buffer contents.\n");
+
+    memset(dest, 0xaa, sizeof(dest));
+    memset(src, 0x11, sizeof(src));
+
+    hr = MFCopyImage(dest, 8, src, 8, 8, 2);
+    ok(hr == S_OK, "Failed to copy image %#x.\n", hr);
+    ok(!memcmp(dest, src, 16), "Unexpected buffer contents.\n");
+
+    memset(dest, 0xaa, sizeof(dest));
+    memset(src, 0x11, sizeof(src));
+
+    hr = MFCopyImage(dest, 8, src, 8, 8, 0);
+    ok(hr == S_OK, "Failed to copy image %#x.\n", hr);
+    ok(dest[0] == 0xaa, "Unexpected buffer contents.\n");
+}
+
 START_TEST(mfplat)
 {
     CoInitialize(NULL);
@@ -895,6 +929,7 @@ START_TEST(mfplat)
     test_source_resolver();
     test_MFCreateAsyncResult();
     test_allocate_queue();
+    test_MFCopyImage();

CoUninitialize();
 }