2 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 #include "wireframe-visual.h"
23 #include <dali-toolkit/public-api/visuals/visual-properties.h>
24 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
25 #include <dali-toolkit/internal/visuals/visual-factory-cache.h>
26 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
27 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
28 #include <dali-toolkit/internal/graphics/builtin-shader-extern-gen.h>
41 const char * const POSITION_ATTRIBUTE_NAME("aPosition");
42 const char * const INDEX_NAME("indices");
45 WireframeVisualPtr WireframeVisual::New( VisualFactoryCache& factoryCache, const Property::Map& properties )
47 Visual::BasePtr emtptyVisual;
49 return New(factoryCache, emtptyVisual, properties);
52 WireframeVisualPtr WireframeVisual::New( VisualFactoryCache& factoryCache, Visual::BasePtr actualVisual )
54 return new WireframeVisual( factoryCache, actualVisual );
57 WireframeVisualPtr WireframeVisual::New( VisualFactoryCache& factoryCache, Visual::BasePtr actualVisual, const Property::Map& properties )
59 WireframeVisualPtr wireframeVisual( new WireframeVisual( factoryCache, actualVisual ) );
61 // Instead of calling SetProperties, looking for the only valid property 'transform'
62 Property::Value* transformValue = properties.Find( Toolkit::Visual::Property::TRANSFORM, TRANSFORM );
63 Property::Map transformMap;
64 if( transformValue && transformValue->Get( transformMap ) )
66 wireframeVisual->SetTransformAndSize( transformMap, Vector2::ZERO );
69 return wireframeVisual;
72 WireframeVisual::WireframeVisual( VisualFactoryCache& factoryCache, Visual::BasePtr actualVisual )
73 : Visual::Base( factoryCache, Visual::FittingMode::FILL, actualVisual ? actualVisual->GetType() : Toolkit::Visual::WIREFRAME ),
74 mActualVisual( actualVisual )
78 WireframeVisual::~WireframeVisual()
82 float WireframeVisual::GetHeightForWidth( float width )
86 return mActualVisual->GetHeightForWidth( width );
90 return Visual::Base::GetHeightForWidth( width );
94 void WireframeVisual::GetNaturalSize( Vector2& naturalSize )
98 mActualVisual->GetNaturalSize( naturalSize );
102 Visual::Base::GetNaturalSize( naturalSize );
106 void WireframeVisual::DoCreatePropertyMap( Property::Map& map ) const
110 mActualVisual->CreatePropertyMap( map );
115 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::WIREFRAME );
119 void WireframeVisual::DoCreateInstancePropertyMap( Property::Map& map ) const
124 void WireframeVisual::DoSetProperties( const Property::Map& propertyMap )
126 Property::Value* mixValue = propertyMap.Find( Toolkit::Visual::Property::MIX_COLOR, MIX_COLOR );
130 mixValue->Get( mixColor );
131 SetMixColor( mixColor );
135 void WireframeVisual::DoSetOnScene( Actor& actor )
137 InitializeRenderer();
139 actor.AddRenderer( mImpl->mRenderer );
141 // Wireframe generated and ready to display
142 ResourceReady( Toolkit::Visual::ResourceStatus::READY );
145 void WireframeVisual::InitializeRenderer()
147 Shader shader = mFactoryCache.GetShader( VisualFactoryCache::WIREFRAME_SHADER );
150 shader = Shader::New( SHADER_WIREFRAME_VISUAL_SHADER_VERT, SHADER_WIREFRAME_VISUAL_SHADER_FRAG );
151 mFactoryCache.SaveShader( VisualFactoryCache::WIREFRAME_SHADER, shader );
154 Geometry geometry = mFactoryCache.GetGeometry( VisualFactoryCache::WIREFRAME_GEOMETRY );
157 geometry = CreateQuadWireframeGeometry();
158 mFactoryCache.SaveGeometry( VisualFactoryCache::WIREFRAME_GEOMETRY, geometry );
161 //Create the renderer
162 mImpl->mRenderer = Renderer::New( geometry, shader);
164 //Register transform properties
165 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
168 Geometry WireframeVisual::CreateQuadWireframeGeometry()
170 const float halfWidth = 0.5f;
171 const float halfHeight = 0.5f;
172 struct QuadVertex { Vector2 position;};
173 QuadVertex quadVertexData[4] =
175 { Vector2(-halfWidth, -halfHeight) },
176 { Vector2( halfWidth, -halfHeight) },
177 { Vector2( halfWidth, halfHeight) },
178 { Vector2(-halfWidth, halfHeight) }
181 Property::Map quadVertexFormat;
182 quadVertexFormat[POSITION_ATTRIBUTE_NAME] = Property::VECTOR2;
183 VertexBuffer quadVertices = VertexBuffer::New( quadVertexFormat );
184 quadVertices.SetData( quadVertexData, 4 );
187 unsigned short indexData[10] = { 0, 1, 1, 2, 2, 3, 3, 0 };
189 // Create the geometry object
190 Geometry geometry = Geometry::New();
191 geometry.AddVertexBuffer( quadVertices );
192 geometry.SetIndexBuffer( indexData, sizeof(indexData)/sizeof(indexData[0]) );
193 geometry.SetType( Geometry::LINES );
198 void WireframeVisual::OnSetTransform()
200 if( mImpl->mRenderer )
202 //Register transform properties
203 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
207 Visual::Base& WireframeVisual::GetVisualObject()
211 return *mActualVisual.Get();
217 } // namespace Internal
219 } // namespace Toolkit