Sweden-Number/dlls/windowscodecs/tests/palette.c

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/*
* Copyright 2009 Vincent Povirk for CodeWeavers
*
* 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 "objbase.h"
#include "wincodec.h"
#include "wine/test.h"
static void test_custom_palette(void)
{
IWICImagingFactory *factory;
IWICPalette *palette;
HRESULT hr;
WICBitmapPaletteType type=0xffffffff;
UINT count=1;
const WICColor initcolors[4]={0xff000000,0xff0000ff,0xffffff00,0xffffffff};
WICColor colors[4];
BOOL boolresult;
hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICImagingFactory, (void**)&factory);
ok(SUCCEEDED(hr), "CoCreateInstance failed, hr=%x\n", hr);
if (FAILED(hr)) return;
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(SUCCEEDED(hr), "CreatePalette failed, hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICPalette_GetType(palette, &type);
ok(SUCCEEDED(hr), "GetType failed, hr=%x\n", hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %x\n", type);
hr = IWICPalette_GetColorCount(palette, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
hr = IWICPalette_GetColors(palette, 0, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
hr = IWICPalette_GetColors(palette, 4, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 0, "expected 0, got %u\n", count);
memcpy(colors, initcolors, sizeof(initcolors));
hr = IWICPalette_InitializeCustom(palette, colors, 4);
ok(SUCCEEDED(hr), "InitializeCustom failed, hr=%x\n", hr);
hr = IWICPalette_GetType(palette, &type);
ok(SUCCEEDED(hr), "GetType failed, hr=%x\n", hr);
ok(type == WICBitmapPaletteTypeCustom, "expected WICBitmapPaletteTypeCustom, got %x\n", type);
hr = IWICPalette_GetColorCount(palette, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 4, "expected 4, got %u\n", count);
memset(colors, 0, sizeof(colors));
count = 0;
hr = IWICPalette_GetColors(palette, 4, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 4, "expected 4, got %u\n", count);
ok(!memcmp(colors, initcolors, sizeof(colors)), "got unexpected palette data\n");
memset(colors, 0, sizeof(colors));
count = 0;
hr = IWICPalette_GetColors(palette, 2, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 2, "expected 2, got %u\n", count);
ok(!memcmp(colors, initcolors, sizeof(WICColor)*2), "got unexpected palette data\n");
count = 0;
hr = IWICPalette_GetColors(palette, 6, colors, &count);
ok(SUCCEEDED(hr), "GetColors failed, hr=%x\n", hr);
ok(count == 4, "expected 4, got %u\n", count);
hr = IWICPalette_HasAlpha(palette, &boolresult);
ok(SUCCEEDED(hr), "HasAlpha failed, hr=%x\n", hr);
ok(!boolresult, "expected FALSE, got TRUE\n");
hr = IWICPalette_IsBlackWhite(palette, &boolresult);
ok(SUCCEEDED(hr), "IsBlackWhite failed, hr=%x\n", hr);
ok(!boolresult, "expected FALSE, got TRUE\n");
hr = IWICPalette_IsGrayscale(palette, &boolresult);
ok(SUCCEEDED(hr), "IsGrayscale failed, hr=%x\n", hr);
ok(!boolresult, "expected FALSE, got TRUE\n");
/* try a palette with some alpha in it */
colors[2] = 0x80ffffff;
hr = IWICPalette_InitializeCustom(palette, colors, 4);
ok(SUCCEEDED(hr), "InitializeCustom failed, hr=%x\n", hr);
hr = IWICPalette_HasAlpha(palette, &boolresult);
ok(SUCCEEDED(hr), "HasAlpha failed, hr=%x\n", hr);
ok(boolresult, "expected TRUE, got FALSE\n");
/* setting to a 0-color palette is acceptable */
hr = IWICPalette_InitializeCustom(palette, NULL, 0);
ok(SUCCEEDED(hr), "InitializeCustom failed, hr=%x\n", hr);
/* IWICPalette is paranoid about NULL pointers */
hr = IWICPalette_GetType(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_GetColorCount(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_InitializeCustom(palette, NULL, 4);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_GetColors(palette, 4, NULL, &count);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_GetColors(palette, 4, colors, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_HasAlpha(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_IsBlackWhite(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
hr = IWICPalette_IsGrayscale(palette, NULL);
ok(hr == E_INVALIDARG, "expected E_INVALIDARG, got %x\n", hr);
IWICPalette_Release(palette);
}
IWICImagingFactory_Release(factory);
}
START_TEST(palette)
{
CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
test_custom_palette();
CoUninitialize();
}