windowscodecs/tests: Add some tests for various TIFF color formats.

Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>
Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Dmitry Timoshkov 2020-04-22 17:41:00 +08:00 committed by Alexandre Julliard
parent a0b1f229c7
commit d9ac191542
1 changed files with 481 additions and 0 deletions

View File

@ -361,6 +361,61 @@ static HRESULT create_decoder(const void *image_data, UINT image_size, IWICBitma
return hr;
}
static HRESULT get_pixelformat_info(const GUID *format, UINT *bpp, UINT *channels, BOOL *trasparency)
{
HRESULT hr;
IWICComponentInfo *info;
IWICPixelFormatInfo2 *formatinfo;
hr = IWICImagingFactory_CreateComponentInfo(factory, format, &info);
ok(hr == S_OK, "CreateComponentInfo(%s) error %#x\n", wine_dbgstr_guid(format), hr);
if (hr == S_OK)
{
hr = IWICComponentInfo_QueryInterface(info, &IID_IWICPixelFormatInfo2, (void **)&formatinfo);
if (hr == S_OK)
{
hr = IWICPixelFormatInfo2_SupportsTransparency(formatinfo, trasparency);
ok(hr == S_OK, "SupportsTransparency error %#x\n", hr);
IWICPixelFormatInfo2_Release(formatinfo);
}
hr = IWICComponentInfo_QueryInterface(info, &IID_IWICPixelFormatInfo, (void **)&formatinfo);
if (hr == S_OK)
{
hr = IWICPixelFormatInfo2_GetBitsPerPixel(formatinfo, bpp);
ok(hr == S_OK, "GetBitsPerPixel error %#x\n", hr);
hr = IWICPixelFormatInfo2_GetChannelCount(formatinfo, channels);
ok(hr == S_OK, "GetChannelCount error %#x\n", hr);
IWICPixelFormatInfo2_Release(formatinfo);
}
IWICComponentInfo_Release(info);
}
return hr;
}
static void dump_tiff(void *buf)
{
UINT count, i;
struct tiff_1bpp_data *tiff;
struct IFD_entry *tag;
tiff = buf;
count = *(short *)((char *)tiff + tiff->dir_offset);
tag = (struct IFD_entry *)((char *)tiff + tiff->dir_offset + sizeof(short));
for (i = 0; i < count; i++)
{
printf("tag %u: id %04x, type %04x, count %u, value %d",
i, tag[i].id, tag[i].type, tag[i].count, tag[i].value);
if (tag[i].id == 0x102 && tag[i].count > 2)
{
short *bps = (short *)((char *)tiff + tag[i].value);
printf(" (%d,%d,%d,%d)\n", bps[0], bps[1], bps[2], bps[3]);
}
else
printf("\n");
}
}
static void test_tiff_1bpp_palette(void)
{
HRESULT hr;
@ -695,6 +750,7 @@ static void test_tiff_24bpp(void)
hr = create_decoder(&tiff_24bpp_data, sizeof(tiff_24bpp_data), &decoder);
ok(hr == S_OK, "Failed to load TIFF image data %#x\n", hr);
if (hr != S_OK) return;
ok(decoder != NULL, "Failed to load TIFF image data\n");
hr = IWICBitmapDecoder_GetFrameCount(decoder, &count);
ok(hr == S_OK, "GetFrameCount error %#x\n", hr);
@ -741,6 +797,430 @@ static void test_tiff_24bpp(void)
IWICBitmapDecoder_Release(decoder);
}
#include "pshpack2.h"
static const struct tiff_1x1_data
{
USHORT byte_order;
USHORT version;
ULONG dir_offset;
USHORT number_of_entries;
struct IFD_entry entry[13];
ULONG next_IFD;
struct IFD_rational res;
short palette_data[3][256];
short bps_data[4];
BYTE pixel_data[32];
} tiff_1x1_data =
{
#ifdef WORDS_BIGENDIAN
'M' | 'M' << 8,
#else
'I' | 'I' << 8,
#endif
42,
FIELD_OFFSET(struct tiff_1x1_data, number_of_entries),
13,
{
{ 0xff, IFD_SHORT, 1, 0 }, /* SUBFILETYPE */
{ 0x100, IFD_LONG, 1, 1 }, /* IMAGEWIDTH */
{ 0x101, IFD_LONG, 1, 1 }, /* IMAGELENGTH */
{ 0x102, IFD_SHORT, 3, FIELD_OFFSET(struct tiff_1x1_data, bps_data) }, /* BITSPERSAMPLE */
{ 0x103, IFD_SHORT, 1, 1 }, /* COMPRESSION: XP doesn't accept IFD_LONG here */
{ 0x106, IFD_SHORT, 1, 2 }, /* PHOTOMETRIC */
{ 0x111, IFD_LONG, 1, FIELD_OFFSET(struct tiff_1x1_data, pixel_data) }, /* STRIPOFFSETS */
{ 0x115, IFD_SHORT, 1, 3 }, /* SAMPLESPERPIXEL */
{ 0x11a, IFD_RATIONAL, 1, FIELD_OFFSET(struct tiff_1x1_data, res) },
{ 0x11b, IFD_RATIONAL, 1, FIELD_OFFSET(struct tiff_1x1_data, res) },
{ 0x128, IFD_SHORT, 1, 2 }, /* RESOLUTIONUNIT */
{ 0x140, IFD_SHORT, 256*3, FIELD_OFFSET(struct tiff_1x1_data, palette_data) }, /* COLORMAP */
{ 0x152, IFD_SHORT, 1, 1 } /* EXTRASAMPLES: 1 - Associated alpha with pre-multiplied color */
},
0,
{ 96, 1 },
{ { 0 } },
{ 8,8,8,0 },
{ 1,0,2,3,4,5,6,7,8,9,0,1,2,3,4,5 }
};
#include "poppack.h"
static UINT width_bytes(UINT width, UINT bpp)
{
return (width * bpp + 7) / 8;
}
static void test_color_formats(void)
{
struct bitmap_data
{
UINT bpp;
UINT width;
UINT height;
const WICPixelFormatGUID *format;
const BYTE *bits;
};
static const BYTE bits_1bpsBGR[] = { 0,255,0,255,0,255,255,255,0,0,0,255,255,0,0,0,255,255,255,255,255,0,0,0,0,255,0,255,0,255 };
static const struct bitmap_data data_1bpsBGR =
{
24, 10, 2, &GUID_WICPixelFormat24bppBGR, bits_1bpsBGR
};
static const BYTE bits_4bpsBGR[] = { 204,85,85,136,187,51,0,85,85,85,0,68,0,102,0,136,0,119,0,153,0 };
static const struct bitmap_data data_4bpsBGR =
{
24, 5, 2, &GUID_WICPixelFormat24bppBGR, bits_4bpsBGR
};
static const BYTE bits_8bpsBGR[] = { 2,0,1,5,4,3,8,7,6 };
static const struct bitmap_data data_8bpsBGR =
{
24, 3, 1, &GUID_WICPixelFormat24bppBGR, bits_8bpsBGR
};
static const BYTE bits_48bppRGB[] = { 1,0,2,3,4,5,6,7,8,9,0,1 };
static const struct bitmap_data data_48bppRGB =
{
48, 2, 1, &GUID_WICPixelFormat48bppRGB, bits_48bppRGB
};
static const BYTE bits_1bpsBGRA[] = { 0,255,0,255,0,255,0,255,0,255,255,0,255,0,0,255,255,0,255,255,0,0,255,0,0,255,0,255,0,255,0,255,0,0,0,0,0,255,0,0 };
static const struct bitmap_data data_1bpsBGRA =
{
32, 5, 2, &GUID_WICPixelFormat32bppBGRA, bits_1bpsBGRA
};
static const struct bitmap_data data_1bpsPBGRA =
{
32, 5, 2, &GUID_WICPixelFormat32bppPBGRA, bits_1bpsBGRA
};
static const BYTE bits_4bpsBGRA[] = { 204,85,85,51,85,136,187,85,0,68,0,85,0,102,0,119,0,136,0,153,0,0,0,17,0,34,0,51 };
static const struct bitmap_data data_4bpsBGRA =
{
32, 5, 2, &GUID_WICPixelFormat32bppBGRA, bits_4bpsBGRA
};
static const struct bitmap_data data_4bpsPBGRA =
{
32, 5, 2, &GUID_WICPixelFormat32bppPBGRA, bits_4bpsBGRA
};
static const BYTE bits_8bpsBGRA[] = { 2,0,1,3,6,5,4,7,0,9,8,1,4,3,2,5 };
static const struct bitmap_data data_8bpsBGRA =
{
32, 4, 1, &GUID_WICPixelFormat32bppBGRA, bits_8bpsBGRA
};
static const struct bitmap_data data_8bpsPBGRA =
{
32, 4, 1, &GUID_WICPixelFormat32bppPBGRA, bits_8bpsBGRA
};
static const BYTE bits_64bppRGBA[] = { 1,0,2,3,4,5,6,7,8,9,0,1,2,3,4,5 };
static const struct bitmap_data data_64bppRGBA =
{
64, 2, 1, &GUID_WICPixelFormat64bppRGBA, bits_64bppRGBA
};
static const struct bitmap_data data_64bppPRGBA =
{
64, 2, 1, &GUID_WICPixelFormat64bppPRGBA, bits_64bppRGBA
};
static const BYTE bits_BlackWhite[] = { 85,195,184,85 };
static const struct bitmap_data data_BlackWhite =
{
1, 30, 1, &GUID_WICPixelFormatBlackWhite, bits_BlackWhite
};
static const BYTE bits_BlackWhite_xp[] = { 85,195,184,84 };
static const struct bitmap_data data_BlackWhite_xp =
{
1, 30, 1, &GUID_WICPixelFormatBlackWhite, bits_BlackWhite_xp
};
static const BYTE bits_4bppGray[] = { 85,195,184,85 };
static const struct bitmap_data data_4bppGray =
{
4, 7, 1, &GUID_WICPixelFormat4bppGray, bits_4bppGray
};
static const BYTE bits_4bppGray_xp[] = { 85,195,184,80 };
static const struct bitmap_data data_4bppGray_xp =
{
4, 7, 1, &GUID_WICPixelFormat4bppGray, bits_4bppGray_xp
};
static const BYTE bits_8bppGray[] = { 1,0,2,3,4,5,6,7,8,9 };
static const struct bitmap_data data_8bppGray =
{
8, 10, 1, &GUID_WICPixelFormat8bppGray, bits_8bppGray
};
static const BYTE bits_16bppGray[] = { 1,0,2,3,4,5 };
static const struct bitmap_data data_16bppGray =
{
16, 3, 1, &GUID_WICPixelFormat16bppGray, bits_16bppGray
};
static const BYTE bits_32bppGrayFloat[] = { 1,0,2,3,4,5,6,7,8,9,0,1 };
static const struct bitmap_data data_32bppGrayFloat =
{
32, 3, 1, &GUID_WICPixelFormat32bppGrayFloat, bits_32bppGrayFloat
};
static const BYTE bits_96bppRGBFloat[] = { 1,0,2,3,4,5,6,7,8,9,0,1 };
static const struct bitmap_data data_96bppRGBFloat =
{
96, 1, 1, &GUID_WICPixelFormat96bppRGBFloat, bits_96bppRGBFloat
};
static const BYTE bits_128bppRGBAFloat[] = { 1,0,2,3,4,5,6,7,8,9,0,1,2,3,4,5 };
static const struct bitmap_data data_128bppRGBAFloat =
{
128, 1, 1, &GUID_WICPixelFormat128bppRGBAFloat, bits_128bppRGBAFloat
};
static const struct bitmap_data data_128bppPRGBAFloat =
{
128, 1, 1, &GUID_WICPixelFormat128bppPRGBAFloat, bits_128bppRGBAFloat
};
static const BYTE bits_1bppIndexed[] = { 85,195,184,85 };
static const struct bitmap_data data_1bppIndexed =
{
1, 32, 1, &GUID_WICPixelFormat1bppIndexed, bits_1bppIndexed
};
static const BYTE bits_4bppIndexed[] = { 85,195,184,85 };
static const struct bitmap_data data_4bppIndexed =
{
4, 7, 1, &GUID_WICPixelFormat4bppIndexed, bits_4bppIndexed
};
static const BYTE bits_4bppIndexed_xp[] = { 85,195,184,80 };
static const struct bitmap_data data_4bppIndexed_xp =
{
4, 7, 1, &GUID_WICPixelFormat4bppIndexed, bits_4bppIndexed_xp
};
static const BYTE bits_8bppIndexed[] = { 1,0,2,3,4,5,6,7,8,9 };
static const struct bitmap_data data_8bppIndexed =
{
8, 3, 1, &GUID_WICPixelFormat8bppIndexed, bits_8bppIndexed
};
static const BYTE bits_32bppCMYK[] = { 1,0,2,3,4,5,6,7,8,9,0,1 };
static const struct bitmap_data data_32bppCMYK =
{
32, 3, 1, &GUID_WICPixelFormat32bppCMYK, bits_32bppCMYK
};
static const BYTE bits_64bppCMYK[] = { 1,0,2,3,4,5,6,7,8,9,0,1,2,3,4,5 };
static const struct bitmap_data data_64bppCMYK =
{
64, 2, 1, &GUID_WICPixelFormat64bppCMYK, bits_64bppCMYK
};
static const struct
{
int photometric; /* PhotometricInterpretation */
int samples; /* SamplesPerPixel */
int bps; /* BitsPerSample */
int extra_samples; /* ExtraSamples */
const struct bitmap_data *data;
const struct bitmap_data *alt_data;
} td[] =
{
/* 2 - RGB */
{ 2, 3, 1, 0, &data_1bpsBGR },
{ 2, 3, 4, 0, &data_4bpsBGR },
{ 2, 3, 8, 0, &data_8bpsBGR },
{ 2, 3, 16, 0, &data_48bppRGB },
{ 2, 3, 24, 0, NULL },
{ 2, 3, 32, 0, &data_96bppRGBFloat },
{ 2, 4, 1, 0, &data_1bpsBGRA },
{ 2, 4, 1, 1, &data_1bpsPBGRA },
{ 2, 4, 4, 0, &data_4bpsBGRA },
{ 2, 4, 4, 1, &data_4bpsPBGRA },
{ 2, 4, 8, 0, &data_8bpsBGRA },
{ 2, 4, 8, 1, &data_8bpsPBGRA },
{ 2, 4, 16, 0, &data_64bppRGBA },
{ 2, 4, 16, 1, &data_64bppPRGBA },
{ 2, 4, 24, 0, NULL },
{ 2, 4, 32, 0, &data_128bppRGBAFloat },
{ 2, 4, 32, 1, &data_128bppPRGBAFloat },
/* 1 - BlackIsZero (Bilevel) */
{ 1, 1, 1, 0, &data_BlackWhite, &data_BlackWhite_xp },
{ 1, 1, 4, 0, &data_4bppGray, &data_4bppGray_xp },
{ 1, 1, 8, 0, &data_8bppGray },
{ 1, 1, 16, 0, &data_16bppGray },
{ 1, 1, 24, 0, NULL },
{ 1, 1, 32, 0, &data_32bppGrayFloat },
/* 3 - Palette Color */
{ 3, 1, 1, 0, &data_1bppIndexed },
{ 3, 1, 4, 0, &data_4bppIndexed, &data_4bppIndexed_xp },
{ 3, 1, 8, 0, &data_8bppIndexed },
#if 0 /* FIXME: for some reason libtiff replaces photometric 3 by 1 for bps > 8 */
{ 3, 1, 16, 0, &data_8bppIndexed },
{ 3, 1, 24, 0, &data_8bppIndexed },
{ 3, 1, 32, 0, &data_8bppIndexed },
#endif
/* 5 - Separated */
{ 5, 4, 1, 0, NULL },
{ 5, 4, 4, 0, NULL },
{ 5, 4, 8, 0, &data_32bppCMYK },
{ 5, 4, 16, 0, &data_64bppCMYK },
{ 5, 4, 24, 0, NULL },
{ 5, 4, 32, 0, NULL },
};
BYTE buf[sizeof(tiff_1x1_data)];
BYTE pixels[256];
HRESULT hr;
IWICBitmapDecoder *decoder;
IWICBitmapFrameDecode *frame;
GUID format;
UINT count, i, bpp, channels, ret;
BOOL trasparency;
struct IFD_entry *tag, *tag_photo = NULL, *tag_bps = NULL, *tag_samples = NULL, *tag_colormap = NULL;
struct IFD_entry *tag_width = NULL, *tag_height = NULL, *tag_extra_samples = NULL;
short *bps;
memcpy(buf, &tiff_1x1_data, sizeof(tiff_1x1_data));
generate_tiff_palette(buf + FIELD_OFFSET(struct tiff_1x1_data, palette_data), 256);
count = *(short *)(buf + tiff_1x1_data.dir_offset);
tag = (struct IFD_entry *)(buf + tiff_1x1_data.dir_offset + sizeof(short));
/* verify the TIFF structure */
for (i = 0; i < count; i++)
{
if (tag[i].id == 0x100) /* ImageWidth */
tag_width = &tag[i];
else if (tag[i].id == 0x101) /* ImageLength */
tag_height = &tag[i];
else if (tag[i].id == 0x102) /* BitsPerSample */
tag_bps = &tag[i];
else if (tag[i].id == 0x106) /* PhotometricInterpretation */
tag_photo = &tag[i];
else if (tag[i].id == 0x115) /* SamplesPerPixel */
tag_samples = &tag[i];
else if (tag[i].id == 0x140) /* ColorMap */
tag_colormap = &tag[i];
else if (tag[i].id == 0x152) /* ExtraSamples */
tag_extra_samples = &tag[i];
}
ok(tag_bps && tag_photo && tag_samples && tag_colormap && tag_extra_samples, "tag 0x102,0x106,0x115,0x140 or 0x152 is missing\n");
if (!tag_bps || !tag_photo || !tag_samples || !tag_colormap || !tag_extra_samples) return;
ok(tag_bps->type == IFD_SHORT, "tag 0x102 should have type IFD_SHORT\n");
bps = (short *)(buf + tag_bps->value);
ok(bps[0] == 8 && bps[1] == 8 && bps[2] == 8 && bps[3] == 0,
"expected bps 8,8,8,0 got %d,%d,%d,%d\n", bps[0], bps[1], bps[2], bps[3]);
for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
{
if (td[i].data)
{
bpp = td[i].samples * td[i].bps;
if (winetest_debug > 1)
trace("photometric %d, samples %d, extra samples %d, bps %d, bpp %u, width %u => width_bytes %u\n",
td[i].photometric, td[i].samples, td[i].extra_samples, td[i].bps, bpp,
td[i].data->width, width_bytes(td[i].data->width, bpp));
tag_width->value = td[i].data->width;
tag_height->value = td[i].data->height;
}
else
{
tag_width->value = 1;
tag_height->value = 1;
}
tag_colormap->count = (1 << td[i].bps) * 3;
if (td[i].bps < 8)
{
buf[FIELD_OFFSET(struct tiff_1x1_data, pixel_data)] = 0x55;
buf[FIELD_OFFSET(struct tiff_1x1_data, pixel_data) + 1] = 0xc3;
buf[FIELD_OFFSET(struct tiff_1x1_data, pixel_data) + 2] = 0xb8;
buf[FIELD_OFFSET(struct tiff_1x1_data, pixel_data) + 3] = 0x55;
}
else
{
buf[FIELD_OFFSET(struct tiff_1x1_data, pixel_data)] = 1;
buf[FIELD_OFFSET(struct tiff_1x1_data, pixel_data) + 1] = 0;
buf[FIELD_OFFSET(struct tiff_1x1_data, pixel_data) + 2] = 2;
buf[FIELD_OFFSET(struct tiff_1x1_data, pixel_data) + 3] = 3;
}
tag_photo->value = td[i].photometric;
tag_bps->count = td[i].samples;
tag_samples->value = td[i].samples;
if (td[i].samples == 1)
tag_bps->value = td[i].bps;
else if (td[i].samples == 2)
tag_bps->value = MAKELONG(td[i].bps, td[i].bps);
else if (td[i].samples == 3)
{
tag_bps->value = (BYTE *)bps - buf;
bps[0] = bps[1] = bps[2] = td[i].bps;
}
else if (td[i].samples == 4)
{
tag_bps->value = (BYTE *)bps - buf;
bps[0] = bps[1] = bps[2] = bps[3] = td[i].bps;
}
else
{
ok(0, "%u: unsupported samples count %d\n", i, td[i].samples);
continue;
}
if (td[i].extra_samples)
{
tag_extra_samples->id = 0x152; /* ExtraSamples */
tag_extra_samples->value = td[i].extra_samples;
}
else /* remove ExtraSamples tag */
{
tag_extra_samples->id = 0x14e; /* NumberOfInks */
tag_extra_samples->value = td[i].samples;
}
hr = create_decoder(buf, sizeof(buf), &decoder);
if (!td[i].data)
{
ok(hr == WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT || hr == WINCODEC_ERR_COMPONENTNOTFOUND /* win8+ */ || hr == WINCODEC_ERR_BADIMAGE /* XP */,
"%u: (%d,%d,%d,%d) wrong error %#x\n", i, td[i].photometric, td[i].samples, td[i].extra_samples, td[i].bps, hr);
if (hr == S_OK)
{
IWICBitmapDecoder_Release(decoder);
dump_tiff(buf);
}
continue;
}
else
ok(hr == S_OK || broken(hr == WINCODEC_ERR_UNSUPPORTEDPIXELFORMAT || hr == WINCODEC_ERR_BADIMAGE) /* XP */,
"%u: failed to load TIFF image data (%d,%d,%d,%d) %#x\n",
i, td[i].photometric, td[i].samples, td[i].extra_samples, td[i].bps, hr);
if (hr != S_OK) continue;
hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
ok(hr == S_OK, "%u: GetFrame error %#x\n", i, hr);
hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &format);
ok(hr == S_OK, "%u: GetPixelFormat error %#x\n", i, hr);
if (IsEqualGUID(td[i].data->format, &GUID_WICPixelFormat96bppRGBFloat) && IsEqualGUID(&format, &GUID_WICPixelFormat128bppRGBFloat))
{
win_skip("Windows Server 2008 misinterprets 96bppRGBFloat as 128bppRGBFloat, skipping the tests\n");
IWICBitmapFrameDecode_Release(frame);
IWICBitmapDecoder_Release(decoder);
continue;
}
ok(IsEqualGUID(&format, td[i].data->format),
"%u (%d,%d,%d,%d): expected %s, got %s\n",
i, td[i].photometric, td[i].samples, td[i].extra_samples, td[i].bps,
wine_dbgstr_guid(td[i].data->format), wine_dbgstr_guid(&format));
trasparency = (td[i].photometric == 2 && td[i].samples == 4); /* for XP */
hr = get_pixelformat_info(&format, &bpp, &channels, &trasparency);
ok(hr == S_OK, "%u: get_pixelformat_bpp error %#x\n", i, hr);
ok(bpp == td[i].data->bpp, "%u: expected %u, got %u\n", i, td[i].data->bpp, bpp);
ok(channels == td[i].samples, "%u: expected %u, got %u\n", i, td[i].samples, channels);
ok(trasparency == (td[i].photometric == 2 && td[i].samples == 4), "%u: got %u\n", i, trasparency);
memset(pixels, 0, sizeof(pixels));
hr = IWICBitmapFrameDecode_CopyPixels(frame, NULL, width_bytes(td[i].data->width, bpp), sizeof(pixels), pixels);
ok(hr == S_OK, "%u: CopyPixels error %#x\n", i, hr);
ret = memcmp(pixels, td[i].data->bits, width_bytes(td[i].data->width, bpp));
if (ret && td[i].alt_data)
ret = memcmp(pixels, td[i].alt_data->bits, width_bytes(td[i].data->width, bpp));
ok(ret == 0, "%u: (%d,%d,%d,%d) wrong pixel data\n", i, td[i].photometric, td[i].samples, td[i].extra_samples, td[i].bps);
if (ret)
{
UINT j, n = width_bytes(td[i].data->width, bpp);
for (j = 0; j < n; j++)
printf("%u%s", pixels[j], (j + 1) < n ? "," : "\n");
}
IWICBitmapFrameDecode_Release(frame);
IWICBitmapDecoder_Release(decoder);
}
}
START_TEST(tiffformat)
{
HRESULT hr;
@ -752,6 +1232,7 @@ START_TEST(tiffformat)
ok(hr == S_OK, "CoCreateInstance error %#x\n", hr);
if (FAILED(hr)) return;
test_color_formats();
test_tiff_1bpp_palette();
test_tiff_8bpp_palette();
test_QueryCapability();