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windowscodecs: Implement MetadataReaderInfo_GetPatterns.

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This commit is contained in:
Vincent Povirk 2014-11-11 15:59:31 -06:00 committed by Alexandre Julliard
parent a8d08e2ad7
commit 8891b8f815
2 changed files with 106 additions and 5 deletions
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110
dlls/windowscodecs/info.c
View File

@ -1681,12 +1681,114 @@ static HRESULT WINAPI MetadataReaderInfo_DoesRequireFixedSize(IWICMetadataReader
}
static HRESULT WINAPI MetadataReaderInfo_GetPatterns(IWICMetadataReaderInfo *iface,
REFGUID container, UINT length, WICMetadataPattern *pattern, UINT *count, UINT *actual_length)
REFGUID container, UINT length, WICMetadataPattern *patterns, UINT *count, UINT *actual_length)
{
if (!actual_length) return E_INVALIDARG;
MetadataReaderInfo *This = impl_from_IWICMetadataReaderInfo(iface);
HRESULT hr=S_OK;
LONG res;
UINT pattern_count=0, patterns_size=0;
DWORD valuesize, patternsize;
BYTE *bPatterns=(BYTE*)patterns;
HKEY containers_key, guid_key, pattern_key;
WCHAR subkeyname[11];
WCHAR guidkeyname[39];
int i;
static const WCHAR uintformatW[] = {'%','u',0};
static const WCHAR patternW[] = {'P','a','t','t','e','r','n',0};
static const WCHAR positionW[] = {'P','o','s','i','t','i','o','n',0};
static const WCHAR maskW[] = {'M','a','s','k',0};
static const WCHAR dataoffsetW[] = {'D','a','t','a','O','f','f','s','e','t',0};
FIXME("(%p,%s,%u,%p,%p,%p): stub\n", iface, debugstr_guid(container), length, pattern, count, actual_length);
return E_NOTIMPL;
TRACE("(%p,%s,%u,%p,%p,%p)\n", iface, debugstr_guid(container), length, patterns, count, actual_length);
if (!actual_length || !container) return E_INVALIDARG;
res = RegOpenKeyExW(This->classkey, containers_keyname, 0, KEY_READ, &containers_key);
if (res == ERROR_SUCCESS)
{
StringFromGUID2(container, guidkeyname, 39);
res = RegOpenKeyExW(containers_key, guidkeyname, 0, KEY_READ, &guid_key);
if (res == ERROR_FILE_NOT_FOUND) hr = WINCODEC_ERR_COMPONENTNOTFOUND;
else if (res != ERROR_SUCCESS) hr = HRESULT_FROM_WIN32(res);
RegCloseKey(containers_key);
}
else if (res == ERROR_FILE_NOT_FOUND) hr = WINCODEC_ERR_COMPONENTNOTFOUND;
else hr = HRESULT_FROM_WIN32(res);
if (SUCCEEDED(hr))
{
res = RegQueryInfoKeyW(guid_key, NULL, NULL, NULL, &pattern_count, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
if (res != ERROR_SUCCESS) hr = HRESULT_FROM_WIN32(res);
if (SUCCEEDED(hr))
{
patterns_size = pattern_count * sizeof(WICMetadataPattern);
for (i=0; i<pattern_count; i++)
{
snprintfW(subkeyname, 11, uintformatW, i);
res = RegOpenKeyExW(guid_key, subkeyname, 0, KEY_READ, &pattern_key);
if (res == ERROR_SUCCESS)
{
res = RegGetValueW(pattern_key, NULL, patternW, RRF_RT_REG_BINARY, NULL,
NULL, &patternsize);
patterns_size += patternsize*2;
if ((length >= patterns_size) && (res == ERROR_SUCCESS))
{
patterns[i].Length = patternsize;
patterns[i].DataOffset.QuadPart = 0;
valuesize = sizeof(ULARGE_INTEGER);
RegGetValueW(pattern_key, NULL, dataoffsetW, RRF_RT_DWORD|RRF_RT_QWORD, NULL,
&patterns[i].DataOffset, &valuesize);
patterns[i].Position.QuadPart = 0;
valuesize = sizeof(ULARGE_INTEGER);
res = RegGetValueW(pattern_key, NULL, positionW, RRF_RT_DWORD|RRF_RT_QWORD, NULL,
&patterns[i].Position, &valuesize);
if (res == ERROR_SUCCESS)
{
patterns[i].Pattern = bPatterns+patterns_size-patternsize*2;
valuesize = patternsize;
res = RegGetValueW(pattern_key, NULL, patternW, RRF_RT_REG_BINARY, NULL,
patterns[i].Pattern, &valuesize);
}
if (res == ERROR_SUCCESS)
{
patterns[i].Mask = bPatterns+patterns_size-patternsize;
valuesize = patternsize;
res = RegGetValueW(pattern_key, NULL, maskW, RRF_RT_REG_BINARY, NULL,
patterns[i].Mask, &valuesize);
}
}
RegCloseKey(pattern_key);
}
if (res != ERROR_SUCCESS)
{
hr = HRESULT_FROM_WIN32(res);
break;
}
}
}
RegCloseKey(guid_key);
}
if (hr == S_OK)
{
*count = pattern_count;
*actual_length = patterns_size;
if (patterns && length < patterns_size)
hr = WINCODEC_ERR_INSUFFICIENTBUFFER;
}
return hr;
}
static HRESULT WINAPI MetadataReaderInfo_MatchesPattern(IWICMetadataReaderInfo *iface,

1
dlls/windowscodecs/tests/info.c
View File

@ -425,7 +425,6 @@ static void test_reader_info(void)
count = size = 0xdeadbeef;
hr = IWICMetadataReaderInfo_GetPatterns(reader_info, &GUID_ContainerFormatPng,
0, NULL, &count, &size);
todo_wine
ok(hr == WINCODEC_ERR_COMPONENTNOTFOUND || broken(hr == S_OK) /* Windows XP */,
"GetPatterns failed, hr=%x\n", hr);
ok(count == 0xdeadbeef, "unexpected count %d\n", count);