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

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