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windowscodecs: Add a test for palette of a PNG image with PLTE and tRNS chunks.

This commit is contained in:
Dmitry Timoshkov 2013-03-06 16:28:56 +09:00 committed by Alexandre Julliard
parent 0029bbcf48
commit b0e8a18a5d
1 changed files with 54 additions and 0 deletions
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54
dlls/windowscodecs/tests/pngformat.c
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@ -534,6 +534,59 @@ static void test_color_contexts(void)
IWICBitmapDecoder_Release(decoder);
}
/* 1 bpp 1x1 pixel PNG image with PLTE and tRNS chunks */
static const char png_PLTE_tRNS[] = {
0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a,
0x00,0x00,0x00,0x0d,'I','H','D','R',0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x01,0x03,0x00,0x00,0x00,0x25,0xdb,0x56,0xca,
0x00,0x00,0x00,0x06,'P','L','T','E',0x01,0x02,0x03,0x04,0x05,0x06,0x95,0x53,0x6f,0x48,
0x00,0x00,0x00,0x02,'t','R','N','S',0xff,0x00,0xe5,0xb7,0x30,0x4a,
0x00,0x00,0x00,0x0a,'I','D','A','T',0x18,0xd3,0x63,0x68,0x00,0x00,0x00,0x82,0x00,0x81,0xa7,0x01,0xba,0x10,
0x00,0x00,0x00,0x00,'I','E','N','D',0xae,0x42,0x60,0x82
};
static void test_png_palette(void)
{
HRESULT hr;
IWICBitmapDecoder *decoder;
IWICBitmapFrameDecode *frame;
IWICPalette *palette;
GUID format;
UINT count, ret;
WICColor color[256];
decoder = create_decoder(png_PLTE_tRNS, sizeof(png_PLTE_tRNS));
ok(decoder != 0, "Failed to load PNG image data\n");
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_WICPixelFormat1bppIndexed),
"got wrong format %s\n", debugstr_guid(&format));
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(hr == S_OK, "CreatePalette error %#x\n", hr);
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 == 2, "expected 2, got %u\n", count);
hr = IWICPalette_GetColors(palette, 256, color, &ret);
ok(hr == S_OK, "GetColors error %#x\n", hr);
ok(ret == count, "expected %u, got %u\n", count, ret);
todo_wine
ok(color[0] == 0xff010203, "expected 0xff010203, got %#x\n", color[0]);
todo_wine
ok(color[1] == 0x00040506, "expected 0x00040506, got %#x\n", color[1]);
IWICPalette_Release(palette);
IWICBitmapFrameDecode_Release(frame);
IWICBitmapDecoder_Release(decoder);
}
START_TEST(pngformat)
{
HRESULT hr;
@ -545,6 +598,7 @@ START_TEST(pngformat)
if (FAILED(hr)) return;
test_color_contexts();
test_png_palette();
IWICImagingFactory_Release(factory);
CoUninitialize();