110401(DTXMania089)/SlimDXc_Jun2010(VC++2008)/source/design/Color4Converter.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 \r
  24 #include "../InternalHelpers.h"\r
  25 #include "../math/Color4.h"\r
  26 \r
  27 #include "Color4Converter.h"\r
  28 #include "FieldPropertyDescriptor.h"\r
  29 \r
  30 using namespace System;\r
  31 using namespace System::Collections;\r
  32 using namespace System::Drawing;\r
  33 using namespace System::ComponentModel;\r
  34 using namespace System::ComponentModel::Design::Serialization;\r
  35 using namespace System::Globalization;\r
  36 using namespace System::Reflection;\r
  37 \r
  38 namespace SlimDX\r
  39 {\r
  40 namespace Design\r
  41 {\r
  42         Color4Converter::Color4Converter()\r
  43         {\r
  44                 Type^ type = Color4::typeid;\r
  45                 array<PropertyDescriptor^>^ propArray =\r
  46                 {\r
  47                         gcnew FieldPropertyDescriptor(type->GetField("Red")),\r
  48                         gcnew FieldPropertyDescriptor(type->GetField("Green")),\r
  49                         gcnew FieldPropertyDescriptor(type->GetField("Blue")),\r
  50                         gcnew FieldPropertyDescriptor(type->GetField("Alpha")),\r
  51                 };\r
  52 \r
  53                 m_Properties = gcnew PropertyDescriptorCollection(propArray);\r
  54         }\r
  55 \r
  56         bool Color4Converter::CanConvertTo(ITypeDescriptorContext^ context, Type^ destinationType)\r
  57         {\r
  58                 if( destinationType == String::typeid || destinationType == InstanceDescriptor::typeid )\r
  59                         return true;\r
  60                 else\r
  61                         return ExpandableObjectConverter::CanConvertTo(context, destinationType);\r
  62         }\r
  63 \r
  64         bool Color4Converter::CanConvertFrom(ITypeDescriptorContext^ context, Type^ sourceType)\r
  65         {\r
  66                 if( sourceType == String::typeid )\r
  67                         return true;\r
  68                 else\r
  69                         return ExpandableObjectConverter::CanConvertFrom(context, sourceType);\r
  70         }\r
  71 \r
  72         Object^ Color4Converter::ConvertTo(ITypeDescriptorContext^ context, CultureInfo^ culture, Object^ value, Type^ destinationType)\r
  73         {\r
  74                 if( destinationType == nullptr )\r
  75                         throw gcnew ArgumentNullException( "destinationType" );\r
  76 \r
  77                 if( culture == nullptr )\r
  78                         culture = CultureInfo::CurrentCulture;\r
  79 \r
  80                 Color4^ color = dynamic_cast<Color4^>( value );\r
  81 \r
  82                 if( destinationType == String::typeid && color != nullptr )\r
  83                 {\r
  84                         String^ separator = culture->TextInfo->ListSeparator + " ";\r
  85                         TypeConverter^ converter = TypeDescriptor::GetConverter(float::typeid);\r
  86                         array<String^>^ stringArray = gcnew array<String^>( 4 );\r
  87 \r
  88                         stringArray[0] = converter->ConvertToString( context, culture, color->Alpha );\r
  89                         stringArray[1] = converter->ConvertToString( context, culture, color->Red );\r
  90                         stringArray[2] = converter->ConvertToString( context, culture, color->Green );\r
  91                         stringArray[3] = converter->ConvertToString( context, culture, color->Blue );\r
  92 \r
  93                         return String::Join( separator, stringArray );\r
  94                 }\r
  95                 else if( destinationType == InstanceDescriptor::typeid && color != nullptr )\r
  96                 {\r
  97                         ConstructorInfo^ info = (Color4::typeid)->GetConstructor( gcnew array<Type^> { float::typeid, float::typeid, float::typeid, float::typeid } );\r
  98                         if( info != nullptr )\r
  99                                 return gcnew InstanceDescriptor( info, gcnew array<Object^> { color->Alpha, color->Red, color->Green, color->Blue } );\r
 100                 }\r
 101 \r
 102                 return ExpandableObjectConverter::ConvertTo(context, culture, value, destinationType);\r
 103         }\r
 104 \r
 105         Object^ Color4Converter::ConvertFrom(ITypeDescriptorContext^ context, CultureInfo^ culture, Object^ value)\r
 106         {\r
 107                 if( culture == nullptr )\r
 108                         culture = CultureInfo::CurrentCulture;\r
 109 \r
 110                 String^ string = dynamic_cast<String^>( value );\r
 111 \r
 112                 if( string != nullptr )\r
 113                 {\r
 114                         string = string->Trim();\r
 115                         TypeConverter^ floatConverter = TypeDescriptor::GetConverter(float::typeid);\r
 116                         array<String^>^ stringArray = string->Split( culture->TextInfo->ListSeparator[0] );\r
 117 \r
 118                         if( stringArray->Length == 1 )\r
 119                         {\r
 120                                 int number = 0;\r
 121                                 if( int::TryParse( string, number ) )\r
 122                                         return gcnew Color4( number );\r
 123 \r
 124                                 TypeConverter^ colorConverter = TypeDescriptor::GetConverter(Color::typeid);\r
 125                                 return gcnew Color4( safe_cast<Color>( colorConverter->ConvertFromString( context, culture, string ) ) );\r
 126                         }\r
 127                         else if( stringArray->Length == 3 )\r
 128                         {\r
 129                                 int red;\r
 130                                 int green;\r
 131                                 int blue;\r
 132                                 if( int::TryParse( stringArray[0], red ) && int::TryParse( stringArray[1], green ) && int::TryParse( stringArray[2], blue ) )\r
 133                                         return gcnew Color4( Color::FromArgb( red, green, blue ) );\r
 134 \r
 135                                 float r = safe_cast<float>( floatConverter->ConvertFromString( context, culture, stringArray[0] ) );\r
 136                                 float g = safe_cast<float>( floatConverter->ConvertFromString( context, culture, stringArray[1] ) );\r
 137                                 float b = safe_cast<float>( floatConverter->ConvertFromString( context, culture, stringArray[2] ) );\r
 138 \r
 139                                 return gcnew Color4( r, g, b );\r
 140                         }\r
 141                         else if( stringArray->Length == 4 )\r
 142                         {\r
 143                                 int red;\r
 144                                 int green;\r
 145                                 int blue;\r
 146                                 int alpha;\r
 147                                 if( int::TryParse( stringArray[0], alpha ) && int::TryParse( stringArray[1], red ) && int::TryParse( stringArray[2], green ) && int::TryParse( stringArray[3], blue ) )\r
 148                                         return gcnew Color4( Color::FromArgb( alpha, red, green, blue ) );\r
 149 \r
 150                                 float a = safe_cast<float>( floatConverter->ConvertFromString( context, culture, stringArray[0] ) );\r
 151                                 float r = safe_cast<float>( floatConverter->ConvertFromString( context, culture, stringArray[1] ) );\r
 152                                 float g = safe_cast<float>( floatConverter->ConvertFromString( context, culture, stringArray[2] ) );\r
 153                                 float b = safe_cast<float>( floatConverter->ConvertFromString( context, culture, stringArray[3] ) );\r
 154 \r
 155                                 return gcnew Color4( a, r, g, b );\r
 156                         }\r
 157                         else\r
 158                                 throw gcnew ArgumentException("Invalid color format.");\r
 159                 }\r
 160 \r
 161                 return ExpandableObjectConverter::ConvertFrom(context, culture, value);\r
 162         }\r
 163 \r
 164         bool Color4Converter::GetCreateInstanceSupported(ITypeDescriptorContext^ context)\r
 165         {\r
 166                 SLIMDX_UNREFERENCED_PARAMETER(context);\r
 167 \r
 168                 return true;\r
 169         }\r
 170 \r
 171         Object^ Color4Converter::CreateInstance(ITypeDescriptorContext^ context, IDictionary^ propertyValues)\r
 172         {\r
 173                 SLIMDX_UNREFERENCED_PARAMETER(context);\r
 174 \r
 175                 if( propertyValues == nullptr )\r
 176                         throw gcnew ArgumentNullException( "propertyValues" );\r
 177 \r
 178                 return gcnew Color4( safe_cast<float>( propertyValues["Alpha"] ), safe_cast<float>( propertyValues["Red"] ),\r
 179                         safe_cast<float>( propertyValues["Green"] ), safe_cast<float>( propertyValues["Blue"] ) );\r
 180         }\r
 181 \r
 182         bool Color4Converter::GetPropertiesSupported(ITypeDescriptorContext^)\r
 183         {\r
 184                 return true;\r
 185         }\r
 186 \r
 187         PropertyDescriptorCollection^ Color4Converter::GetProperties(ITypeDescriptorContext^, Object^, array<Attribute^>^)\r
 188         {\r
 189                 return m_Properties;\r
 190         }\r
 191 }\r
 192 }