SlimDXc_Jun2010(VC++2008)/source/design/Half4Converter.cpp

   1 #include "stdafx.h"\r
   2 /*\r
   3 * Copyright (c) 2007-2010 SlimDX Group\r
   4 * \r
   5 * Permission is hereby granted, free of charge, to any person obtaining a copy\r
   6 * of this software and associated documentation files (the "Software"), to deal\r
   7 * in the Software without restriction, including without limitation the rights\r
   8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
   9 * copies of the Software, and to permit persons to whom the Software is\r
  10 * furnished to do so, subject to the following conditions:\r
  11 * \r
  12 * The above copyright notice and this permission notice shall be included in\r
  13 * all copies or substantial portions of the Software.\r
  14 * \r
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
  18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
  21 * THE SOFTWARE.\r
  22 */\r
  23 #include <d3dx9.h>\r
  24 \r
  25 #include "../InternalHelpers.h"\r
  26 #include "../math/Half.h"\r
  27 #include "../math/Half4.h"\r
  28 \r
  29 #include "Half4Converter.h"\r
  30 #include "FieldPropertyDescriptor.h"\r
  31 \r
  32 using namespace System;\r
  33 using namespace System::Collections;\r
  34 using namespace System::Drawing;\r
  35 using namespace System::ComponentModel;\r
  36 using namespace System::ComponentModel::Design::Serialization;\r
  37 using namespace System::Globalization;\r
  38 using namespace System::Reflection;\r
  39 \r
  40 namespace SlimDX\r
  41 {\r
  42 namespace Design\r
  43 {\r
  44         Half4Converter::Half4Converter()\r
  45         {\r
  46                 Type^ type = Half4::typeid;\r
  47                 array<PropertyDescriptor^>^ propArray =\r
  48                 {\r
  49                         gcnew FieldPropertyDescriptor(type->GetField("X")),\r
  50                         gcnew FieldPropertyDescriptor(type->GetField("Y")),\r
  51                         gcnew FieldPropertyDescriptor(type->GetField("Z")),\r
  52                         gcnew FieldPropertyDescriptor(type->GetField("W")),\r
  53                 };\r
  54 \r
  55                 m_Properties = gcnew PropertyDescriptorCollection(propArray);\r
  56         }\r
  57 \r
  58         bool Half4Converter::CanConvertTo(ITypeDescriptorContext^ context, Type^ destinationType)\r
  59         {\r
  60                 if( destinationType == String::typeid || destinationType == InstanceDescriptor::typeid )\r
  61                         return true;\r
  62                 else\r
  63                         return ExpandableObjectConverter::CanConvertTo(context, destinationType);\r
  64         }\r
  65 \r
  66         bool Half4Converter::CanConvertFrom(ITypeDescriptorContext^ context, Type^ sourceType)\r
  67         {\r
  68                 if( sourceType == String::typeid )\r
  69                         return true;\r
  70                 else\r
  71                         return ExpandableObjectConverter::CanConvertFrom(context, sourceType);\r
  72         }\r
  73 \r
  74         Object^ Half4Converter::ConvertTo(ITypeDescriptorContext^ context, CultureInfo^ culture, Object^ value, Type^ destinationType)\r
  75         {\r
  76                 if( destinationType == nullptr )\r
  77                         throw gcnew ArgumentNullException( "destinationType" );\r
  78 \r
  79                 if( culture == nullptr )\r
  80                         culture = CultureInfo::CurrentCulture;\r
  81 \r
  82                 Half4^ half = dynamic_cast<Half4^>( value );\r
  83 \r
  84                 if( destinationType == String::typeid && half != nullptr )\r
  85                 {\r
  86                         String^ separator = culture->TextInfo->ListSeparator + " ";\r
  87                         TypeConverter^ converter = TypeDescriptor::GetConverter(Half::typeid);\r
  88                         array<String^>^ stringArray = gcnew array<String^>( 4 );\r
  89 \r
  90                         stringArray[0] = converter->ConvertToString( context, culture, half->X );\r
  91                         stringArray[1] = converter->ConvertToString( context, culture, half->Y );\r
  92                         stringArray[2] = converter->ConvertToString( context, culture, half->Z );\r
  93                         stringArray[3] = converter->ConvertToString( context, culture, half->W );\r
  94 \r
  95                         return String::Join( separator, stringArray );\r
  96                 }\r
  97                 else if( destinationType == InstanceDescriptor::typeid && half != nullptr )\r
  98                 {\r
  99                         ConstructorInfo^ info = (Half4::typeid)->GetConstructor( gcnew array<Type^> { Half::typeid, Half::typeid, Half::typeid, Half::typeid } );\r
 100                         if( info != nullptr )\r
 101                                 return gcnew InstanceDescriptor( info, gcnew array<Object^> { half->X, half->Y, half->Z, half->W } );\r
 102                 }\r
 103 \r
 104                 return ExpandableObjectConverter::ConvertTo(context, culture, value, destinationType);\r
 105         }\r
 106 \r
 107         Object^ Half4Converter::ConvertFrom(ITypeDescriptorContext^ context, CultureInfo^ culture, Object^ value)\r
 108         {\r
 109                 if( culture == nullptr )\r
 110                         culture = CultureInfo::CurrentCulture;\r
 111 \r
 112                 String^ string = dynamic_cast<String^>( value );\r
 113 \r
 114                 if( string != nullptr )\r
 115                 {\r
 116                         string = string->Trim();\r
 117                         TypeConverter^ converter = TypeDescriptor::GetConverter(Half::typeid);\r
 118                         array<String^>^ stringArray = string->Split( culture->TextInfo->ListSeparator[0] );\r
 119 \r
 120                         if( stringArray->Length != 4 )\r
 121                                 throw gcnew ArgumentException("Invalid half format.");\r
 122 \r
 123                         Half X = safe_cast<Half>( converter->ConvertFromString( context, culture, stringArray[0] ) );\r
 124                         Half Y = safe_cast<Half>( converter->ConvertFromString( context, culture, stringArray[1] ) );\r
 125                         Half Z = safe_cast<Half>( converter->ConvertFromString( context, culture, stringArray[2] ) );\r
 126                         Half W = safe_cast<Half>( converter->ConvertFromString( context, culture, stringArray[3] ) );\r
 127 \r
 128                         return gcnew Half4(X, Y, Z, W);\r
 129                 }\r
 130 \r
 131                 return ExpandableObjectConverter::ConvertFrom(context, culture, value);\r
 132         }\r
 133 \r
 134         bool Half4Converter::GetCreateInstanceSupported(ITypeDescriptorContext^ context)\r
 135         {\r
 136                 SLIMDX_UNREFERENCED_PARAMETER(context);\r
 137 \r
 138                 return true;\r
 139         }\r
 140 \r
 141         Object^ Half4Converter::CreateInstance(ITypeDescriptorContext^ context, IDictionary^ propertyValues)\r
 142         {\r
 143                 SLIMDX_UNREFERENCED_PARAMETER(context);\r
 144 \r
 145                 if( propertyValues == nullptr )\r
 146                         throw gcnew ArgumentNullException( "propertyValues" );\r
 147 \r
 148                 return gcnew Half4( safe_cast<Half>( propertyValues["X"] ), safe_cast<Half>( propertyValues["Y"] ),\r
 149                         safe_cast<Half>( propertyValues["Z"] ), safe_cast<Half>( propertyValues["W"] ) );\r
 150         }\r
 151 \r
 152         bool Half4Converter::GetPropertiesSupported(ITypeDescriptorContext^)\r
 153         {\r
 154                 return true;\r
 155         }\r
 156 \r
 157         PropertyDescriptorCollection^ Half4Converter::GetProperties(ITypeDescriptorContext^, Object^, array<Attribute^>^)\r
 158         {\r
 159                 return m_Properties;\r
 160         }\r
 161 }\r
 162 }