110401(DTXMania089)/SlimDXc_Jun2010(VC++2008)/source/directwrite/IFontFileLoader.cpp

   1 /*\r
   2 * Copyright (c) 2007-2010 SlimDX Group\r
   3 * \r
   4 * Permission is hereby granted, free of charge, to any person obtaining a copy\r
   5 * of this software and associated documentation files (the "Software"), to deal\r
   6 * in the Software without restriction, including without limitation the rights\r
   7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
   8 * copies of the Software, and to permit persons to whom the Software is\r
   9 * furnished to do so, subject to the following conditions:\r
  10 * \r
  11 * The above copyright notice and this permission notice shall be included in\r
  12 * all copies or substantial portions of the Software.\r
  13 * \r
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
  17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
  18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
  19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
  20 * THE SOFTWARE.\r
  21 */\r
  22 #include "stdafx.h"\r
  23 \r
  24 #include "FactoryDW.h"\r
  25 #include "FontFileLoader.h"\r
  26 #include "FontFileStream.h"\r
  27 #include "IFontFileLoader.h"\r
  28 #include "../SlimDXException.h"\r
  29 \r
  30 using namespace SlimDX;\r
  31 \r
  32 namespace SlimDX\r
  33 {\r
  34         namespace DirectWrite\r
  35         {\r
  36                 IFontFileLoaderShim *IFontFileLoaderShim::CreateInstance(IFontFileLoader ^loader)\r
  37                 {\r
  38                         return new IFontFileLoaderShim(loader);\r
  39                 }\r
  40 \r
  41                 IFontFileLoaderShim::IFontFileLoaderShim(IFontFileLoader ^wrappedInterface)\r
  42                         : m_wrappedInterface(wrappedInterface),\r
  43                         m_refCount(1)\r
  44                 {\r
  45                 }\r
  46 \r
  47                 HRESULT IFontFileLoaderShim::QueryInterface(const IID &iid, LPVOID *ppv)\r
  48                 {\r
  49                         if (iid == IID_IDWriteFontFileLoader)\r
  50                         {\r
  51                                 AddRef();\r
  52                                 *reinterpret_cast<IDWriteFontFileLoader**>(ppv) = this;\r
  53                                 return S_OK;\r
  54                         }\r
  55 \r
  56                         return E_NOTIMPL;\r
  57                 }\r
  58 \r
  59                 ULONG IFontFileLoaderShim::AddRef()\r
  60                 {\r
  61                         return ++m_refCount;\r
  62                 }\r
  63 \r
  64                 ULONG IFontFileLoaderShim::Release()\r
  65                 {\r
  66                         if (--m_refCount == 0)\r
  67                         {\r
  68                                 delete this;\r
  69                         }\r
  70                         return m_refCount;\r
  71                 }\r
  72 \r
  73                 HRESULT IFontFileLoaderShim::CreateStreamFromKey(void const *fontFileReferenceKey,\r
  74                         UINT32 fontFileReferenceKeySize, IDWriteFontFileStream **fontFileStream)\r
  75                 {\r
  76                         try\r
  77                         {\r
  78                                 FontFileStream ^stream = m_wrappedInterface->CreateStreamFromKey(\r
  79                                         IntPtr(const_cast<void *>(fontFileReferenceKey)), fontFileReferenceKeySize);\r
  80                                 *fontFileStream = stream->InternalPointer;\r
  81                         }\r
  82                         catch (SlimDXException ^ex)\r
  83                         {\r
  84                                 return ex->ResultCode.Code;\r
  85                         }\r
  86                         catch (Exception ^)\r
  87                         {\r
  88                                 return E_FAIL;\r
  89                         }\r
  90 \r
  91                         return S_OK;\r
  92                 }\r
  93         }\r
  94 }\r