windowscodecs: Add some tests for GIF palette.

dlls/windowscodecs/tests/Makefile.in

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

dlls/windowscodecs/tests/gifformat.c

+/*
+ * Copyright 2012 Dmitry Timoshkov
+ *
+ * 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>
+#include <stdio.h>
+
+#define COBJMACROS
+
+#include "windef.h"
+#include "wincodec.h"
+#include "wine/test.h"
+
+static const char gif_local_palette[] = {
+/* LSD */'G','I','F','8','7','a',0x01,0x00,0x01,0x00,0x27,0x02,0x00,
+/* GCE */0x21,0xf9,0x04,0x01,0x05,0x00,0x01,0x00, /* index 1 */
+/* IMD */0x2c,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x81,
+/* palette */0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,
+0x02,0x02,0x44,0x01,0x00,0x3b
+};
+
+static IWICImagingFactory *factory;
+
+static const char *debugstr_guid(const GUID *guid)
+{
+    static char buf[50];
+
+    if (!guid) return "(null)";
+    sprintf(buf, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
+            guid->Data1, guid->Data2, guid->Data3, guid->Data4[0],
+            guid->Data4[1], guid->Data4[2], guid->Data4[3], guid->Data4[4],
+            guid->Data4[5], guid->Data4[6], guid->Data4[7]);
+    return buf;
+}
+
+static IWICBitmapDecoder *create_decoder(const void *image_data, UINT image_size)
+{
+    HGLOBAL hmem;
+    BYTE *data;
+    HRESULT hr;
+    IWICBitmapDecoder *decoder = NULL;
+    IStream *stream;
+    GUID format;
+
+    hmem = GlobalAlloc(0, image_size);
+    data = GlobalLock(hmem);
+    memcpy(data, image_data, image_size);
+    GlobalUnlock(hmem);
+
+    hr = CreateStreamOnHGlobal(hmem, TRUE, &stream);
+    ok(hr == S_OK, "CreateStreamOnHGlobal error %#x\n", hr);
+
+    hr = IWICImagingFactory_CreateDecoderFromStream(factory, stream, NULL, 0, &decoder);
+    ok(hr == S_OK, "CreateDecoderFromStream error %#x\n", hr);
+
+    hr = IWICBitmapDecoder_GetContainerFormat(decoder, &format);
+    ok(hr == S_OK, "GetContainerFormat error %#x\n", hr);
+    ok(IsEqualGUID(&format, &GUID_ContainerFormatGif),
+       "wrong container format %s\n", debugstr_guid(&format));
+
+    IStream_Release(stream);
+
+    return decoder;
+}
+
+static void test_local_gif_palette(void)
+{
+    HRESULT hr;
+    IWICBitmapDecoder *decoder;
+    IWICBitmapFrameDecode *frame;
+    IWICPalette *palette;
+    GUID format;
+    UINT count, ret;
+    WICColor color[256];
+
+    decoder = create_decoder(gif_local_palette, sizeof(gif_local_palette));
+    ok(decoder != 0, "Failed to load GIF image data\n");
+
+    hr = IWICImagingFactory_CreatePalette(factory, &palette);
+    ok(hr == S_OK, "CreatePalette error %#x\n", hr);
+
+    /* global palette */
+    hr = IWICBitmapDecoder_CopyPalette(decoder, palette);
+todo_wine
+    ok(hr == WINCODEC_ERR_FRAMEMISSING,
+       "expected WINCODEC_ERR_FRAMEMISSING, got %#x\n", hr);
+
+    /* frame palette */
+    hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
+    ok(hr == S_OK, "GetFrame error %#x\n", hr);
+
+    hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &format);
+    ok(hr == S_OK, "GetPixelFormat error %#x\n", hr);
+    ok(IsEqualGUID(&format, &GUID_WICPixelFormat8bppIndexed),
+       "wrong pixel format %s\n", debugstr_guid(&format));
+
+    hr = IWICBitmapFrameDecode_CopyPalette(frame, palette);
+    ok(hr == S_OK, "CopyPalette error %#x\n", hr);
+
+    hr = IWICPalette_GetColorCount(palette, &count);
+    ok(hr == S_OK, "GetColorCount error %#x\n", hr);
+    ok(count == 4, "expected 4, got %u\n", count);
+
+    hr = IWICPalette_GetColors(palette, count, color, &ret);
+    ok(hr == S_OK, "GetColors error %#x\n", hr);
+    ok(ret == count, "expected %u, got %u\n", count, ret);
+    ok(color[0] == 0xff010203, "expected 0xff010203, got %#x\n", color[0]);
+todo_wine
+    ok(color[1] == 0x00040506, "expected 0x00040506, got %#x\n", color[1]);
+    ok(color[2] == 0xff070809, "expected 0xff070809, got %#x\n", color[2]);
+    ok(color[3] == 0xff0a0b0c, "expected 0xff0a0b0c, got %#x\n", color[3]);
+
+    IWICPalette_Release(palette);
+    IWICBitmapFrameDecode_Release(frame);
+    IWICBitmapDecoder_Release(decoder);
+}
+
+START_TEST(gifformat)
+{
+    HRESULT hr;
+
+    CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
+    hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
+                          &IID_IWICImagingFactory, (void **)&factory);
+    ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
+    if (FAILED(hr)) return;
+
+    test_local_gif_palette();
+
+    IWICImagingFactory_Release(factory);
+    CoUninitialize();
+}