windowscodecs: Add test for 4-bit indexed color BMP.

This commit is contained in:
Vincent Povirk 2009-07-06 12:44:38 -05:00 committed by Alexandre Julliard
parent aec0ccbd77
commit 6caca23678
1 changed files with 160 additions and 0 deletions

View File

@ -17,6 +17,7 @@
*/
#include <stdarg.h>
#include <math.h>
#define COBJMACROS
@ -359,12 +360,171 @@ static void test_decode_1bpp(void)
IWICBitmapDecoder_Release(decoder);
}
static const char testbmp_4bpp[] = {
/* BITMAPFILEHEADER */
66,77, /* "BM" */
82,0,0,0, /* file size */
0,0,0,0, /* reserved */
74,0,0,0, /* offset to bits */
/* BITMAPINFOHEADER */
40,0,0,0, /* header size */
2,0,0,0, /* width */
254,255,255,255, /* height = -2 */
1,0, /* planes */
4,0, /* bit count */
0,0,0,0, /* compression = BI_RGB */
0,0,0,0, /* image size = 0 */
16,39,0,0, /* X pixels per meter = 10000 */
32,78,0,0, /* Y pixels per meter = 20000 */
5,0,0,0, /* colors used */
5,0,0,0, /* colors important */
/* color table */
255,0,0,0,
0,255,0,255,
0,0,255,23,
128,0,128,1,
255,255,255,0,
/* bits */
0x01,0,0,0,
0x23,0,0,0,
};
static void test_decode_4bpp(void)
{
IWICBitmapDecoder *decoder, *decoder2;
IWICBitmapFrameDecode *framedecode;
HRESULT hr;
HGLOBAL hbmpdata;
char *bmpdata;
IStream *bmpstream;
DWORD capability=0;
GUID guidresult;
UINT count=0, width=0, height=0;
double dpiX, dpiY;
BYTE imagedata[2] = {1};
const BYTE expected_imagedata[2] = {0x01,0x23};
WICColor palettedata[5] = {1};
const WICColor expected_palettedata[5] =
{0xff0000ff,0xff00ff00,0xffff0000,0xff800080,0xffffffff};
WICRect rc;
hr = CoCreateInstance(&CLSID_WICBmpDecoder, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICBitmapDecoder, (void**)&decoder);
ok(SUCCEEDED(hr), "CoCreateInstance failed, hr=%x\n", hr);
if (!SUCCEEDED(hr)) return;
hbmpdata = GlobalAlloc(GMEM_MOVEABLE, sizeof(testbmp_4bpp));
ok(hbmpdata != 0, "GlobalAlloc failed\n");
if (hbmpdata)
{
bmpdata = GlobalLock(hbmpdata);
memcpy(bmpdata, testbmp_4bpp, sizeof(testbmp_4bpp));
GlobalUnlock(hbmpdata);
hr = CreateStreamOnHGlobal(hbmpdata, FALSE, &bmpstream);
ok(SUCCEEDED(hr), "CreateStreamOnHGlobal failed, hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICBitmapDecoder_Initialize(decoder, bmpstream, WICDecodeMetadataCacheOnLoad);
ok(hr == S_OK, "Initialize failed, hr=%x\n", hr);
hr = IWICBitmapDecoder_GetContainerFormat(decoder, &guidresult);
ok(SUCCEEDED(hr), "GetContainerFormat failed, hr=%x\n", hr);
ok(IsEqualGUID(&guidresult, &GUID_ContainerFormatBmp), "unexpected container format\n");
hr = IWICBitmapDecoder_GetFrameCount(decoder, &count);
ok(SUCCEEDED(hr), "GetFrameCount failed, hr=%x\n", hr);
ok(count == 1, "unexpected count %u\n", count);
hr = IWICBitmapDecoder_GetFrame(decoder, 0, &framedecode);
ok(SUCCEEDED(hr), "GetFrame failed, hr=%x\n", hr);
if (SUCCEEDED(hr))
{
IWICImagingFactory *factory;
IWICPalette *palette;
hr = IWICBitmapFrameDecode_GetSize(framedecode, &width, &height);
ok(SUCCEEDED(hr), "GetSize failed, hr=%x\n", hr);
ok(width == 2, "expected width=2, got %u\n", width);
ok(height == 2, "expected height=2, got %u\n", height);
hr = IWICBitmapFrameDecode_GetResolution(framedecode, &dpiX, &dpiY);
ok(SUCCEEDED(hr), "GetResolution failed, hr=%x\n", hr);
ok(fabs(dpiX - 254.0) < 0.01, "expected dpiX=96.0, got %f\n", dpiX);
ok(fabs(dpiY - 508.0) < 0.01, "expected dpiY=96.0, got %f\n", dpiY);
hr = IWICBitmapFrameDecode_GetPixelFormat(framedecode, &guidresult);
ok(SUCCEEDED(hr), "GetPixelFormat failed, hr=%x\n", hr);
ok(IsEqualGUID(&guidresult, &GUID_WICPixelFormat4bppIndexed), "unexpected pixel format\n");
hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICImagingFactory, (void**)&factory);
ok(SUCCEEDED(hr), "CoCreateInstance failed, hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICImagingFactory_CreatePalette(factory, &palette);
ok(SUCCEEDED(hr), "CreatePalette failed, hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICBitmapDecoder_CopyPalette(decoder, palette);
ok(hr == WINCODEC_ERR_PALETTEUNAVAILABLE, "expected WINCODEC_ERR_PALETTEUNAVAILABLE, got %x\n", hr);
hr = IWICBitmapFrameDecode_CopyPalette(framedecode, palette);
ok(SUCCEEDED(hr), "CopyPalette failed, hr=%x\n", hr);
hr = IWICPalette_GetColorCount(palette, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 5, "expected count=5, got %u\n", count);
hr = IWICPalette_GetColors(palette, 5, palettedata, &count);
ok(SUCCEEDED(hr), "GetColorCount failed, hr=%x\n", hr);
ok(count == 5, "expected count=5, got %u\n", count);
ok(!memcmp(palettedata, expected_palettedata, sizeof(palettedata)), "unexpected palette data\n");
IWICPalette_Release(palette);
}
IWICImagingFactory_Release(factory);
}
rc.X = 0;
rc.Y = 0;
rc.Width = 2;
rc.Height = 2;
hr = IWICBitmapFrameDecode_CopyPixels(framedecode, &rc, 1, sizeof(imagedata), imagedata);
ok(SUCCEEDED(hr), "CopyPixels failed, hr=%x\n", hr);
ok(!memcmp(imagedata, expected_imagedata, sizeof(imagedata)), "unexpected image data\n");
IWICBitmapFrameDecode_Release(framedecode);
}
hr = CoCreateInstance(&CLSID_WICBmpDecoder, NULL, CLSCTX_INPROC_SERVER,
&IID_IWICBitmapDecoder, (void**)&decoder2);
ok(SUCCEEDED(hr), "CoCreateInstance failed, hr=%x\n", hr);
if (SUCCEEDED(hr))
{
hr = IWICBitmapDecoder_QueryCapability(decoder2, bmpstream, &capability);
ok(hr == S_OK, "QueryCapability failed, hr=%x\n", hr);
ok(capability == (WICBitmapDecoderCapabilityCanDecodeAllImages),
"unexpected capabilities: %x\n", capability);
}
IStream_Release(bmpstream);
}
GlobalFree(hbmpdata);
}
IWICBitmapDecoder_Release(decoder);
}
START_TEST(bmpformat)
{
CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
test_decode_24bpp();
test_decode_1bpp();
test_decode_4bpp();
CoUninitialize();
}