2 * Copyright (c) 2016 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.
19 #include "color-visual.h"
22 #include <dali/integration-api/debug.h>
25 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
26 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
27 #include <dali-toolkit/internal/visuals/visual-factory-cache.h>
28 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
29 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
42 const char * const COLOR_NAME("mixColor");
44 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
45 attribute mediump vec2 aPosition;\n
46 uniform mediump mat4 uMvpMatrix;\n
47 uniform mediump vec3 uSize;\n
51 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
52 vertexPosition.xyz *= uSize;\n
53 gl_Position = uMvpMatrix * vertexPosition;\n
57 const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
58 uniform lowp vec4 uColor;\n
59 uniform lowp vec4 mixColor;\n
63 gl_FragColor = mixColor*uColor;\n
68 ColorVisual::ColorVisual( VisualFactoryCache& factoryCache )
69 : Visual::Base( factoryCache ),
70 mMixColorIndex( Property::INVALID_INDEX )
74 ColorVisual::~ColorVisual()
78 void ColorVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
80 Property::Value* color = propertyMap.Find( Toolkit::ColorVisual::Property::MIX_COLOR, COLOR_NAME );
81 if( !( color && color->Get(mMixColor) ) )
83 DALI_LOG_ERROR( "Fail to provide a color to the ColorVisual object\n" );
87 void ColorVisual::SetSize( const Vector2& size )
89 Visual::Base::SetSize( size );
91 // ToDo: renderer responds to the size change
94 void ColorVisual::SetClipRect( const Rect<int>& clipRect )
96 Visual::Base::SetClipRect( clipRect );
98 //ToDo: renderer responds to the clipRect change
101 void ColorVisual::SetOffset( const Vector2& offset )
103 //ToDo: renderer applies the offset
106 void ColorVisual::DoSetOnStage( Actor& actor )
108 InitializeRenderer();
111 void ColorVisual::DoCreatePropertyMap( Property::Map& map ) const
114 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR );
115 map.Insert( Toolkit::ColorVisual::Property::MIX_COLOR, mMixColor );
118 void ColorVisual::InitializeRenderer()
120 Geometry geometry = mFactoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
123 geometry = VisualFactoryCache::CreateQuadGeometry();
124 mFactoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
127 Shader shader = mFactoryCache.GetShader( VisualFactoryCache::COLOR_SHADER );
130 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
131 mFactoryCache.SaveShader( VisualFactoryCache::COLOR_SHADER, shader );
134 mImpl->mRenderer = Renderer::New( geometry, shader );
136 mMixColorIndex = mImpl->mRenderer.RegisterProperty( COLOR_NAME, mMixColor );
137 if( mMixColor.a < 1.f )
139 mImpl->mRenderer.SetProperty( Renderer::Property::BLEND_MODE, BlendMode::ON );
143 void ColorVisual::SetColor(const Vector4& color)
147 if( mImpl->mRenderer )
149 (mImpl->mRenderer).SetProperty( mMixColorIndex, color );
152 mImpl->mRenderer.SetProperty( Renderer::Property::BLEND_MODE, BlendMode::ON );
157 } // namespace Internal
159 } // namespace Toolkit