1 /*
2 * Copyright 2009 Vincent Povirk for CodeWeavers
3 *
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.
8 *
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.
13 *
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
17 */
18
19 #include "config.h"
20
21 #include <stdarg.h>
22
23 #define COBJMACROS
24
25 #include "windef.h"
26 #include "winbase.h"
27 #include "winreg.h"
28 #include "objbase.h"
29 #include "ocidl.h"
30 #include "initguid.h"
31 #include "wincodec.h"
32
33 #include "wincodecs_private.h"
34
35 #include "wine/debug.h"
36
37 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
38
39 typedef struct {
40 REFCLSID classid;
41 HRESULT (*constructor)(IUnknown*,REFIID,void**);
42 } classinfo;
43
44 static classinfo wic_classes[] = {
45 {&CLSID_WICImagingFactory, ImagingFactory_CreateInstance},
46 {&CLSID_WICBmpDecoder, BmpDecoder_CreateInstance},
47 {&CLSID_WICPngDecoder, PngDecoder_CreateInstance},
48 {&CLSID_WICPngEncoder, PngEncoder_CreateInstance},
49 {&CLSID_WICBmpEncoder, BmpEncoder_CreateInstance},
50 {&CLSID_WICGifDecoder, GifDecoder_CreateInstance},
51 {&CLSID_WICIcoDecoder, IcoDecoder_CreateInstance},
52 {&CLSID_WICJpegDecoder, JpegDecoder_CreateInstance},
53 {&CLSID_WICDefaultFormatConverter, FormatConverter_CreateInstance},
54 {0}};
55
56 typedef struct {
57 const IClassFactoryVtbl *lpIClassFactoryVtbl;
58 LONG ref;
59 classinfo *info;
60 } ClassFactoryImpl;
61
62 static HRESULT WINAPI ClassFactoryImpl_QueryInterface(IClassFactory *iface,
63 REFIID iid, void **ppv)
64 {
65 ClassFactoryImpl *This = (ClassFactoryImpl*)iface;
66 TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
67
68 if (!ppv) return E_INVALIDARG;
69
70 if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IClassFactory, iid))
71 {
72 *ppv = This;
73 }
74 else
75 {
76 *ppv = NULL;
77 return E_NOINTERFACE;
78 }
79
80 IUnknown_AddRef((IUnknown*)*ppv);
81 return S_OK;
82 }
83
84 static ULONG WINAPI ClassFactoryImpl_AddRef(IClassFactory *iface)
85 {
86 ClassFactoryImpl *This = (ClassFactoryImpl*)iface;
87 ULONG ref = InterlockedIncrement(&This->ref);
88
89 TRACE("(%p) refcount=%u\n", iface, ref);
90
91 return ref;
92 }
93
94 static ULONG WINAPI ClassFactoryImpl_Release(IClassFactory *iface)
95 {
96 ClassFactoryImpl *This = (ClassFactoryImpl*)iface;
97 ULONG ref = InterlockedDecrement(&This->ref);
98
99 TRACE("(%p) refcount=%u\n", iface, ref);
100
101 if (ref == 0)
102 HeapFree(GetProcessHeap(), 0, This);
103
104 return ref;
105 }
106
107 static HRESULT WINAPI ClassFactoryImpl_CreateInstance(IClassFactory *iface,
108 IUnknown *pUnkOuter, REFIID riid, void **ppv)
109 {
110 ClassFactoryImpl *This = (ClassFactoryImpl*)iface;
111
112 return This->info->constructor(pUnkOuter, riid, ppv);
113 }
114
115 static HRESULT WINAPI ClassFactoryImpl_LockServer(IClassFactory *iface, BOOL lock)
116 {
117 TRACE("(%p, %i): stub\n", iface, lock);
118 return E_NOTIMPL;
119 }
120
121 static const IClassFactoryVtbl ClassFactoryImpl_Vtbl = {
122 ClassFactoryImpl_QueryInterface,
123 ClassFactoryImpl_AddRef,
124 ClassFactoryImpl_Release,
125 ClassFactoryImpl_CreateInstance,
126 ClassFactoryImpl_LockServer
127 };
128
129 static HRESULT ClassFactoryImpl_Constructor(classinfo *info, REFIID riid, LPVOID *ppv)
130 {
131 ClassFactoryImpl *This;
132 HRESULT ret;
133
134 *ppv = NULL;
135
136 This = HeapAlloc(GetProcessHeap(), 0, sizeof(ClassFactoryImpl));
137 if (!This) return E_OUTOFMEMORY;
138
139 This->lpIClassFactoryVtbl = &ClassFactoryImpl_Vtbl;
140 This->ref = 1;
141 This->info = info;
142
143 ret = IClassFactory_QueryInterface((IClassFactory*)This, riid, ppv);
144 IClassFactory_Release((IClassFactory*)This);
145
146 return ret;
147 }
148
149 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
150 {
151 HRESULT ret;
152 classinfo *info=NULL;
153 int i;
154
155 TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
156
157 if (!rclsid || !iid || !ppv)
158 return E_INVALIDARG;
159
160 *ppv = NULL;
161
162 for (i=0; wic_classes[i].classid; i++)
163 {
164 if (IsEqualCLSID(wic_classes[i].classid, rclsid))
165 {
166 info = &wic_classes[i];
167 break;
168 }
169 }
170
171 if (info)
172 ret = ClassFactoryImpl_Constructor(info, iid, ppv);
173 else
174 ret = CLASS_E_CLASSNOTAVAILABLE;
175
176 TRACE("<-- %08X\n", ret);
177 return ret;
178 }
179
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