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windowscodecs: Implement IWICColorContext::InitializeFromFilename.

This commit is contained in:
Hans Leidekker 2013-02-06 13:51:32 +01:00 committed by Alexandre Julliard
parent 956ec43201
commit b64eb8a8d6
2 changed files with 123 additions and 7 deletions
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69
dlls/windowscodecs/colorcontext.c
View File

@ -96,27 +96,82 @@ static ULONG WINAPI ColorContext_Release(IWICColorContext *iface)
return ref;
}
static HRESULT load_profile(const WCHAR *filename, BYTE **profile, UINT *len)
{
HANDLE handle;
DWORD count;
LARGE_INTEGER size;
BOOL ret;
*len = 0;
*profile = NULL;
handle = CreateFileW(filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
if (handle == INVALID_HANDLE_VALUE) return HRESULT_FROM_WIN32(GetLastError());
if (!(GetFileSizeEx(handle, &size)))
{
CloseHandle(handle);
return HRESULT_FROM_WIN32(GetLastError());
}
if (size.u.HighPart)
{
WARN("file too large\n");
CloseHandle(handle);
return E_FAIL;
}
if (!(*profile = HeapAlloc(GetProcessHeap(), 0, size.u.LowPart)))
{
CloseHandle(handle);
return E_OUTOFMEMORY;
}
ret = ReadFile(handle, *profile, size.u.LowPart, &count, NULL);
CloseHandle(handle);
if (!ret) return HRESULT_FROM_WIN32(GetLastError());
if (count != size.u.LowPart) return E_FAIL;
*len = count;
return S_OK;
}
static HRESULT WINAPI ColorContext_InitializeFromFilename(IWICColorContext *iface,
LPCWSTR wzFilename)
{
FIXME("(%p,%s)\n", iface, debugstr_w(wzFilename));
return E_NOTIMPL;
ColorContext *This = impl_from_IWICColorContext(iface);
BYTE *profile;
UINT len;
HRESULT hr;
TRACE("(%p,%s)\n", iface, debugstr_w(wzFilename));
if (This->type != WICColorContextUninitialized && This->type != WICColorContextProfile)
return WINCODEC_ERR_WRONGSTATE;
if (!wzFilename) return E_INVALIDARG;
hr = load_profile(wzFilename, &profile, &len);
if (FAILED(hr)) return hr;
HeapFree(GetProcessHeap(), 0, This->profile);
This->profile = profile;
This->profile_len = len;
This->type = WICColorContextProfile;
return S_OK;
}
static HRESULT WINAPI ColorContext_InitializeFromMemory(IWICColorContext *iface,
const BYTE *pbBuffer, UINT cbBufferSize)
{
ColorContext *This = impl_from_IWICColorContext(iface);
BYTE *profile;
TRACE("(%p,%p,%u)\n", iface, pbBuffer, cbBufferSize);
if (This->type != WICColorContextUninitialized)
if (This->type != WICColorContextUninitialized && This->type != WICColorContextProfile)
return WINCODEC_ERR_WRONGSTATE;
HeapFree(GetProcessHeap(), 0, This->profile);
if (!(This->profile = HeapAlloc(GetProcessHeap(), 0, cbBufferSize)))
return E_OUTOFMEMORY;
if (!(profile = HeapAlloc(GetProcessHeap(), 0, cbBufferSize))) return E_OUTOFMEMORY;
memcpy(profile, pbBuffer, cbBufferSize);
memcpy(This->profile, pbBuffer, cbBufferSize);
HeapFree(GetProcessHeap(), 0, This->profile);
This->profile = profile;
This->profile_len = cbBufferSize;
This->type = WICColorContextProfile;

61
dlls/windowscodecs/tests/pngformat.c
View File

@ -317,6 +317,27 @@ static IWICBitmapDecoder *create_decoder(const void *image_data, UINT image_size
return decoder;
}
static WCHAR *save_profile( BYTE *buffer, UINT size )
{
static const WCHAR tstW[] = {'t','s','t',0};
WCHAR path[MAX_PATH], filename[MAX_PATH], *ret;
HANDLE handle;
DWORD count;
GetTempPathW(MAX_PATH, path);
GetTempFileNameW(path, tstW, 0, filename);
handle = CreateFileW(filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL);
if (handle == INVALID_HANDLE_VALUE) return NULL;
WriteFile(handle, buffer, size, &count, NULL);
CloseHandle( handle );
ret = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(filename) + 1) * sizeof(WCHAR));
lstrcpyW(ret, filename);
return ret;
}
static void test_color_contexts(void)
{
HRESULT hr;
@ -325,7 +346,9 @@ static void test_color_contexts(void)
IWICColorContext *context;
WICColorContextType type;
UINT count, colorspace, size;
WCHAR *tmpfile;
BYTE *buffer;
BOOL ret;
decoder = create_decoder(png_no_color_profile, sizeof(png_no_color_profile));
ok(decoder != 0, "Failed to load PNG image data\n");
@ -453,6 +476,8 @@ static void test_color_contexts(void)
buffer = HeapAlloc(GetProcessHeap(), 0, size);
hr = IWICColorContext_GetProfileBytes(context, size, buffer, &size);
ok(hr == S_OK, "GetProfileBytes error %#x\n", hr);
tmpfile = save_profile( buffer, size );
HeapFree(GetProcessHeap(), 0, buffer);
type = 0xdeadbeef;
@ -468,6 +493,42 @@ static void test_color_contexts(void)
hr = IWICColorContext_InitializeFromExifColorSpace(context, 1);
ok(hr == WINCODEC_ERR_WRONGSTATE, "InitializeFromExifColorSpace error %#x\n", hr);
if (tmpfile)
{
hr = IWICColorContext_InitializeFromFilename(context, NULL);
ok(hr == E_INVALIDARG, "InitializeFromFilename error %#x\n", hr);
hr = IWICColorContext_InitializeFromFilename(context, tmpfile);
ok(hr == S_OK, "InitializeFromFilename error %#x\n", hr);
ret = DeleteFileW(tmpfile);
ok(ret, "DeleteFileW failed %u\n", GetLastError());
type = 0xdeadbeef;
hr = IWICColorContext_GetType(context, &type);
ok(hr == S_OK, "GetType error %#x\n", hr);
ok(type == WICColorContextProfile, "unexpected type %u\n", type);
colorspace = 0xdeadbeef;
hr = IWICColorContext_GetExifColorSpace(context, &colorspace);
ok(hr == S_OK, "GetExifColorSpace error %#x\n", hr);
ok(colorspace == 0xffffffff, "unexpected color space %u\n", colorspace);
hr = IWICColorContext_InitializeFromExifColorSpace(context, 1);
ok(hr == WINCODEC_ERR_WRONGSTATE, "InitializeFromExifColorSpace error %#x\n", hr);
size = 0;
hr = IWICColorContext_GetProfileBytes(context, 0, NULL, &size);
ok(hr == S_OK, "GetProfileBytes error %#x\n", hr);
ok(size, "unexpected size %u\n", size);
buffer = HeapAlloc(GetProcessHeap(), 0, size);
hr = IWICColorContext_GetProfileBytes(context, size, buffer, &size);
ok(hr == S_OK, "GetProfileBytes error %#x\n", hr);
HeapFree(GetProcessHeap(), 0, buffer);
HeapFree(GetProcessHeap(), 0, tmpfile);
}
IWICColorContext_Release(context);
IWICBitmapFrameDecode_Release(frame);
IWICBitmapDecoder_Release(decoder);