2 * Copyright 2012 Hans Leidekker for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #include "wincodecs_private.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
36 typedef struct ColorContext {
37 IWICColorContext IWICColorContext_iface;
39 WICColorContextType type;
42 UINT exif_color_space;
45 static inline ColorContext *impl_from_IWICColorContext(IWICColorContext *iface)
47 return CONTAINING_RECORD(iface, ColorContext, IWICColorContext_iface);
50 static HRESULT WINAPI ColorContext_QueryInterface(IWICColorContext *iface, REFIID iid,
53 ColorContext *This = impl_from_IWICColorContext(iface);
54 TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
56 if (!ppv) return E_INVALIDARG;
58 if (IsEqualIID(&IID_IUnknown, iid) ||
59 IsEqualIID(&IID_IWICColorContext, iid))
61 *ppv = &This->IWICColorContext_iface;
69 IUnknown_AddRef((IUnknown*)*ppv);
73 static ULONG WINAPI ColorContext_AddRef(IWICColorContext *iface)
75 ColorContext *This = impl_from_IWICColorContext(iface);
76 ULONG ref = InterlockedIncrement(&This->ref);
78 TRACE("(%p) refcount=%u\n", iface, ref);
83 static ULONG WINAPI ColorContext_Release(IWICColorContext *iface)
85 ColorContext *This = impl_from_IWICColorContext(iface);
86 ULONG ref = InterlockedDecrement(&This->ref);
88 TRACE("(%p) refcount=%u\n", iface, ref);
92 HeapFree(GetProcessHeap(), 0, This->profile);
93 HeapFree(GetProcessHeap(), 0, This);
99 static HRESULT load_profile(const WCHAR *filename, BYTE **profile, UINT *len)
108 handle = CreateFileW(filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
109 if (handle == INVALID_HANDLE_VALUE) return HRESULT_FROM_WIN32(GetLastError());
111 if (!(GetFileSizeEx(handle, &size)))
114 return HRESULT_FROM_WIN32(GetLastError());
118 WARN("file too large\n");
122 if (!(*profile = HeapAlloc(GetProcessHeap(), 0, size.u.LowPart)))
125 return E_OUTOFMEMORY;
127 ret = ReadFile(handle, *profile, size.u.LowPart, &count, NULL);
129 if (!ret) return HRESULT_FROM_WIN32(GetLastError());
130 if (count != size.u.LowPart) return E_FAIL;
135 static HRESULT WINAPI ColorContext_InitializeFromFilename(IWICColorContext *iface,
138 ColorContext *This = impl_from_IWICColorContext(iface);
142 TRACE("(%p,%s)\n", iface, debugstr_w(wzFilename));
144 if (This->type != WICColorContextUninitialized && This->type != WICColorContextProfile)
145 return WINCODEC_ERR_WRONGSTATE;
147 if (!wzFilename) return E_INVALIDARG;
149 hr = load_profile(wzFilename, &profile, &len);
150 if (FAILED(hr)) return hr;
152 HeapFree(GetProcessHeap(), 0, This->profile);
153 This->profile = profile;
154 This->profile_len = len;
155 This->type = WICColorContextProfile;
160 static HRESULT WINAPI ColorContext_InitializeFromMemory(IWICColorContext *iface,
161 const BYTE *pbBuffer, UINT cbBufferSize)
163 ColorContext *This = impl_from_IWICColorContext(iface);
165 TRACE("(%p,%p,%u)\n", iface, pbBuffer, cbBufferSize);
167 if (This->type != WICColorContextUninitialized && This->type != WICColorContextProfile)
168 return WINCODEC_ERR_WRONGSTATE;
170 if (!(profile = HeapAlloc(GetProcessHeap(), 0, cbBufferSize))) return E_OUTOFMEMORY;
171 memcpy(profile, pbBuffer, cbBufferSize);
173 HeapFree(GetProcessHeap(), 0, This->profile);
174 This->profile = profile;
175 This->profile_len = cbBufferSize;
176 This->type = WICColorContextProfile;
181 static HRESULT WINAPI ColorContext_InitializeFromExifColorSpace(IWICColorContext *iface,
184 ColorContext *This = impl_from_IWICColorContext(iface);
185 TRACE("(%p,%u)\n", iface, value);
187 if (This->type != WICColorContextUninitialized && This->type != WICColorContextExifColorSpace)
188 return WINCODEC_ERR_WRONGSTATE;
190 This->exif_color_space = value;
191 This->type = WICColorContextExifColorSpace;
196 static HRESULT WINAPI ColorContext_GetType(IWICColorContext *iface,
197 WICColorContextType *pType)
199 ColorContext *This = impl_from_IWICColorContext(iface);
200 TRACE("(%p,%p)\n", iface, pType);
202 if (!pType) return E_INVALIDARG;
208 static HRESULT WINAPI ColorContext_GetProfileBytes(IWICColorContext *iface,
209 UINT cbBuffer, BYTE *pbBuffer, UINT *pcbActual)
211 ColorContext *This = impl_from_IWICColorContext(iface);
212 TRACE("(%p,%u,%p,%p)\n", iface, cbBuffer, pbBuffer, pcbActual);
214 if (This->type != WICColorContextProfile)
215 return WINCODEC_ERR_NOTINITIALIZED;
217 if (!pcbActual) return E_INVALIDARG;
219 if (cbBuffer >= This->profile_len && pbBuffer)
220 memcpy(pbBuffer, This->profile, This->profile_len);
222 *pcbActual = This->profile_len;
227 static HRESULT WINAPI ColorContext_GetExifColorSpace(IWICColorContext *iface,
230 ColorContext *This = impl_from_IWICColorContext(iface);
231 TRACE("(%p,%p)\n", iface, pValue);
233 if (!pValue) return E_INVALIDARG;
235 *pValue = This->exif_color_space;
239 static const IWICColorContextVtbl ColorContext_Vtbl = {
240 ColorContext_QueryInterface,
242 ColorContext_Release,
243 ColorContext_InitializeFromFilename,
244 ColorContext_InitializeFromMemory,
245 ColorContext_InitializeFromExifColorSpace,
246 ColorContext_GetType,
247 ColorContext_GetProfileBytes,
248 ColorContext_GetExifColorSpace
251 HRESULT ColorContext_Create(IWICColorContext **colorcontext)
255 if (!colorcontext) return E_INVALIDARG;
257 This = HeapAlloc(GetProcessHeap(), 0, sizeof(ColorContext));
258 if (!This) return E_OUTOFMEMORY;
260 This->IWICColorContext_iface.lpVtbl = &ColorContext_Vtbl;
263 This->profile = NULL;
264 This->profile_len = 0;
265 This->exif_color_space = ~0u;
267 *colorcontext = &This->IWICColorContext_iface;