| 144 | } |
| 145 | |
| 146 | StateComponentPtr attributeToColorState( const IECore::Object *attribute ) |
| 147 | { |
| 148 | Imath::Color4f color( 1 ); |
| 149 | |
| 150 | if( auto vectorData = runTimeCast<const Color3fVectorData>( attribute ) ) |
| 151 | { |
| 152 | const std::vector<Imath::Color3f> &v = vectorData->readable(); |
| 153 | if( v.size() == 1 ) |
| 154 | { |
| 155 | const Imath::Color3f &c = v[0]; |
| 156 | color = Imath::Color4f( c[0], c[1], c[2], 1.0f ); |
| 157 | } |
| 158 | else |
| 159 | { |
| 160 | IECore::msg( IECore::Msg::Warning, "ToGLStateConverter", "Expected array of length 1 for \"render:displayColor\"" ); |
| 161 | } |
| 162 | } |
| 163 | else if( auto color4fData = runTimeCast<const Color4fData>( attribute ) ) |
| 164 | { |
| 165 | color = color4fData->readable(); |
| 166 | } |
| 167 | else if( auto color3fData = runTimeCast<const Color3fData>( attribute ) ) |
| 168 | { |
| 169 | const Imath::Color3f &c = color3fData->readable(); |
| 170 | color = Imath::Color4f( c[0], c[1], c[2], 1.0f ); |
| 171 | } |
| 172 | else |
| 173 | { |
| 174 | IECore::msg( IECore::Msg::Warning, "ToGLStateConverter", "Expected Color3fData or Color4fData or Color3fVectorData for \"render:displayColor\"" ); |
| 175 | } |
| 176 | |
| 177 | return new Color( color ); |
| 178 | } |
| 179 | |
| 180 | typedef StateComponentPtr (*AttributeToState)( const IECore::Object *attribute ); |
| 181 | typedef std::map<IECore::InternedString, AttributeToState> AttributeToStateMap; |