windowscodecs/tests: Add tests for DDS format.

dlls/windowscodecs/tests/Makefile.in

@@ -5,6 +5,7 @@ C_SRCS = \
 	bitmap.c \
 	bmpformat.c \
 	converter.c \
+	ddsformat.c \
 	gifformat.c \
 	icoformat.c \
 	info.c \

dlls/windowscodecs/tests/ddsformat.c

+/*
+ * Copyright 2020 Ziqing Hui
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+
+#define COBJMACROS
+
+#include "windef.h"
+#include "wincodec.h"
+#include "wine/test.h"
+
+/* 4x4 DDS image */
+static BYTE test_dds_image[] = {
+    'D',  'D',  'S',  ' ',  0x7C, 0x00, 0x00, 0x00, 0x07, 0x10, 0x08, 0x00, 0x04, 0x00, 0x00, 0x00,
+    0x04, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
+    0x04, 0x00, 0x00, 0x00, 0x44, 0x58, 0x54, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xF5, 0xA7, 0x08, 0x69, 0x74, 0xC0, 0xBF, 0xD7
+};
+
+static IWICImagingFactory *factory = NULL;
+
+static IWICStream *create_stream(const void *image_data, UINT image_size)
+{
+    HRESULT hr;
+    IWICStream *stream = NULL;
+
+    hr = IWICImagingFactory_CreateStream(factory, &stream);
+    ok(SUCCEEDED(hr), "CreateStream failed, hr=%x\n", hr);
+    if (FAILED(hr)) goto fail;
+
+    hr = IWICStream_InitializeFromMemory(stream, (BYTE *)image_data, image_size);
+    ok(SUCCEEDED(hr), "InitializeFromMemory failed, hr=%x\n", hr);
+    if (FAILED(hr)) goto fail;
+
+    return stream;
+
+fail:
+    if (stream) IWICStream_Release(stream);
+    return NULL;
+}
+
+static IWICBitmapDecoder *create_decoder(IWICStream *stream)
+{
+    HRESULT hr;
+    IWICBitmapDecoder *decoder = NULL;
+    GUID guidresult;
+
+    hr = CoCreateInstance(&CLSID_WICDdsDecoder, NULL, CLSCTX_INPROC_SERVER,
+                          &IID_IWICBitmapDecoder, (void **)&decoder);
+    if (FAILED(hr)) {
+        win_skip("Dds decoder is not supported\n");
+        return NULL;
+    }
+
+    memset(&guidresult, 0, sizeof(guidresult));
+    hr = IWICBitmapDecoder_GetContainerFormat(decoder, &guidresult);
+    ok(SUCCEEDED(hr), "GetContainerFormat failed, hr=%x\n", hr);
+    ok(IsEqualGUID(&guidresult, &GUID_ContainerFormatDds), "Unexpected container format\n");
+
+    hr = IWICBitmapDecoder_Initialize(decoder, (IStream*)stream, WICDecodeMetadataCacheOnDemand);
+    ok(hr == S_OK, "Decoder Initialize failed, hr=%x\n", hr);
+    if (hr != S_OK) {
+        IWICBitmapDecoder_Release(decoder);
+        return NULL;
+    }
+
+    return decoder;
+}
+
+static void test_dds_decoder(void)
+{
+    IWICStream *stream = NULL;
+    IWICBitmapDecoder *decoder = NULL;
+
+    stream = create_stream(test_dds_image, sizeof(test_dds_image));
+    if (!stream) goto end;
+
+    todo_wine decoder = create_decoder(stream);
+    if (!decoder) goto end;
+
+end:
+    if (decoder) IWICBitmapDecoder_Release(decoder);
+    if (stream) IWICStream_Release(stream);
+}
+
+START_TEST(ddsformat)
+{
+    HRESULT hr;
+    CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
+
+    hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
+                          &IID_IWICImagingFactory, (void **)&factory);
+    ok(SUCCEEDED(hr), "CoCreateInstance failed, hr=%x\n", hr);
+    if (FAILED(hr)) goto end;
+
+    test_dds_decoder();
+
+end:
+    if(factory) IWICImagingFactory_Release(factory);
+    CoUninitialize();
+}