mirror of
https://github.com/reactos/reactos.git
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278 lines
7.4 KiB
C
278 lines
7.4 KiB
C
/*
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* Copyright 2012 Hans Leidekker for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "objbase.h"
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#include "wincodecs_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
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typedef struct ColorContext {
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IWICColorContext IWICColorContext_iface;
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LONG ref;
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WICColorContextType type;
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BYTE *profile;
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UINT profile_len;
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UINT exif_color_space;
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} ColorContext;
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static inline ColorContext *impl_from_IWICColorContext(IWICColorContext *iface)
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{
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return CONTAINING_RECORD(iface, ColorContext, IWICColorContext_iface);
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}
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static HRESULT WINAPI ColorContext_QueryInterface(IWICColorContext *iface, REFIID iid,
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void **ppv)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(&IID_IUnknown, iid) ||
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IsEqualIID(&IID_IWICColorContext, iid))
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{
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*ppv = &This->IWICColorContext_iface;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI ColorContext_AddRef(IWICColorContext *iface)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI ColorContext_Release(IWICColorContext *iface)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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if (ref == 0)
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{
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HeapFree(GetProcessHeap(), 0, This->profile);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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static HRESULT load_profile(const WCHAR *filename, BYTE **profile, UINT *len)
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{
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HANDLE handle;
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DWORD count;
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LARGE_INTEGER size;
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BOOL ret;
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*len = 0;
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*profile = NULL;
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handle = CreateFileW(filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
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if (handle == INVALID_HANDLE_VALUE) return HRESULT_FROM_WIN32(GetLastError());
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if (!(GetFileSizeEx(handle, &size)))
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{
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CloseHandle(handle);
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return HRESULT_FROM_WIN32(GetLastError());
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}
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if (size.u.HighPart)
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{
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WARN("file too large\n");
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CloseHandle(handle);
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return E_FAIL;
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}
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if (!(*profile = HeapAlloc(GetProcessHeap(), 0, size.u.LowPart)))
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{
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CloseHandle(handle);
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return E_OUTOFMEMORY;
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}
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ret = ReadFile(handle, *profile, size.u.LowPart, &count, NULL);
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CloseHandle(handle);
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if (!ret) {
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HeapFree (GetProcessHeap(),0,*profile);
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*profile = NULL;
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return HRESULT_FROM_WIN32(GetLastError());
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}
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if (count != size.u.LowPart) {
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HeapFree (GetProcessHeap(),0,*profile);
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*profile = NULL;
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return E_FAIL;
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}
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*len = count;
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return S_OK;
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}
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static HRESULT WINAPI ColorContext_InitializeFromFilename(IWICColorContext *iface,
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LPCWSTR wzFilename)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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BYTE *profile;
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UINT len;
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HRESULT hr;
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TRACE("(%p,%s)\n", iface, debugstr_w(wzFilename));
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if (This->type != WICColorContextUninitialized && This->type != WICColorContextProfile)
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return WINCODEC_ERR_WRONGSTATE;
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if (!wzFilename) return E_INVALIDARG;
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hr = load_profile(wzFilename, &profile, &len);
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if (FAILED(hr)) return hr;
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HeapFree(GetProcessHeap(), 0, This->profile);
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This->profile = profile;
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This->profile_len = len;
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This->type = WICColorContextProfile;
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return S_OK;
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}
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static HRESULT WINAPI ColorContext_InitializeFromMemory(IWICColorContext *iface,
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const BYTE *pbBuffer, UINT cbBufferSize)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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BYTE *profile;
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TRACE("(%p,%p,%u)\n", iface, pbBuffer, cbBufferSize);
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if (This->type != WICColorContextUninitialized && This->type != WICColorContextProfile)
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return WINCODEC_ERR_WRONGSTATE;
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if (!(profile = HeapAlloc(GetProcessHeap(), 0, cbBufferSize))) return E_OUTOFMEMORY;
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memcpy(profile, pbBuffer, cbBufferSize);
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HeapFree(GetProcessHeap(), 0, This->profile);
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This->profile = profile;
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This->profile_len = cbBufferSize;
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This->type = WICColorContextProfile;
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return S_OK;
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}
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static HRESULT WINAPI ColorContext_InitializeFromExifColorSpace(IWICColorContext *iface,
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UINT value)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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TRACE("(%p,%u)\n", iface, value);
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if (This->type != WICColorContextUninitialized && This->type != WICColorContextExifColorSpace)
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return WINCODEC_ERR_WRONGSTATE;
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This->exif_color_space = value;
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This->type = WICColorContextExifColorSpace;
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return S_OK;
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}
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static HRESULT WINAPI ColorContext_GetType(IWICColorContext *iface,
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WICColorContextType *pType)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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TRACE("(%p,%p)\n", iface, pType);
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if (!pType) return E_INVALIDARG;
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*pType = This->type;
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return S_OK;
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}
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static HRESULT WINAPI ColorContext_GetProfileBytes(IWICColorContext *iface,
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UINT cbBuffer, BYTE *pbBuffer, UINT *pcbActual)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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TRACE("(%p,%u,%p,%p)\n", iface, cbBuffer, pbBuffer, pcbActual);
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if (This->type != WICColorContextProfile)
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return WINCODEC_ERR_NOTINITIALIZED;
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if (!pcbActual) return E_INVALIDARG;
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if (cbBuffer >= This->profile_len && pbBuffer)
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memcpy(pbBuffer, This->profile, This->profile_len);
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*pcbActual = This->profile_len;
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return S_OK;
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}
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static HRESULT WINAPI ColorContext_GetExifColorSpace(IWICColorContext *iface,
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UINT *pValue)
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{
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ColorContext *This = impl_from_IWICColorContext(iface);
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TRACE("(%p,%p)\n", iface, pValue);
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if (!pValue) return E_INVALIDARG;
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*pValue = This->exif_color_space;
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return S_OK;
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}
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static const IWICColorContextVtbl ColorContext_Vtbl = {
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ColorContext_QueryInterface,
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ColorContext_AddRef,
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ColorContext_Release,
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ColorContext_InitializeFromFilename,
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ColorContext_InitializeFromMemory,
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ColorContext_InitializeFromExifColorSpace,
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ColorContext_GetType,
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ColorContext_GetProfileBytes,
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ColorContext_GetExifColorSpace
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};
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HRESULT ColorContext_Create(IWICColorContext **colorcontext)
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{
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ColorContext *This;
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if (!colorcontext) return E_INVALIDARG;
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This = HeapAlloc(GetProcessHeap(), 0, sizeof(ColorContext));
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if (!This) return E_OUTOFMEMORY;
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This->IWICColorContext_iface.lpVtbl = &ColorContext_Vtbl;
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This->ref = 1;
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This->type = 0;
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This->profile = NULL;
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This->profile_len = 0;
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This->exif_color_space = ~0u;
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*colorcontext = &This->IWICColorContext_iface;
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return S_OK;
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}
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