2 * Copyright (c) 2015 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 "image-renderer.h"
21 #include <dali-toolkit/internal/controls/renderers/renderer-factory-impl.h>
22 #include <dali-toolkit/internal/controls/renderers/renderer-factory-cache.h>
23 #include <dali-toolkit/internal/controls/renderers/control-renderer-impl.h>
24 #include <dali-toolkit/internal/controls/renderers/control-renderer-data-impl.h>
25 #include <dali/public-api/images/resource-image.h>
38 const char * const RENDERER_TYPE("renderer-type");
39 const char * const RENDERER_TYPE_VALUE("image-renderer");
42 const char * const IMAGE_URL_NAME("image-url");
43 const char * const IMAGE_FITTING_MODE("image-fitting-mode");
44 const char * const IMAGE_SAMPLING_MODE("image-sampling-mode");
45 const char * const IMAGE_DESIRED_WIDTH("image-desired-width");
46 const char * const IMAGE_DESIRED_HEIGHT("image-desired-height");
49 const char * const SHRINK_TO_FIT("shrink-to-fit");
50 const char * const SCALE_TO_FILL("scale-to-fill");
51 const char * const FIT_WIDTH("fit-width");
52 const char * const FIT_HEIGHT("fit-height");
53 const char * const DEFAULT("default");
56 const char * const BOX("box");
57 const char * const NEAREST("nearest");
58 const char * const LINEAR("linear");
59 const char * const BOX_THEN_NEAREST("box-then-nearest");
60 const char * const BOX_THEN_LINEAR("box-then-linear");
61 const char * const NO_FILTER("no-filter");
62 const char * const DONT_CARE("dont-care");
64 std::string TEXTURE_UNIFORM_NAME = "sTexture";
66 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
67 attribute mediump vec2 aPosition;\n
68 varying mediump vec2 vTexCoord;\n
69 uniform mediump mat4 uMvpMatrix;\n
70 uniform mediump vec3 uSize;\n
74 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
75 vertexPosition.xyz *= uSize;\n
76 vertexPosition = uMvpMatrix * vertexPosition;\n
78 vTexCoord = aPosition + vec2(0.5);\n
79 gl_Position = vertexPosition;\n
83 const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
84 varying mediump vec2 vTexCoord;\n
85 uniform sampler2D sTexture;\n
86 uniform lowp vec4 uColor;\n
90 gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
96 ImageRenderer::ImageRenderer()
99 mFittingMode( FittingMode::DEFAULT ),
100 mSamplingMode( SamplingMode::DEFAULT )
104 ImageRenderer::~ImageRenderer()
108 void ImageRenderer::Initialize( RendererFactoryCache& factoryCache, const Property::Map& propertyMap )
110 Initialize(factoryCache);
112 Property::Value* imageURLValue = propertyMap.Find( IMAGE_URL_NAME );
115 imageURLValue->Get( mImageUrl );
117 Property::Value* fittingValue = propertyMap.Find( IMAGE_FITTING_MODE );
121 fittingValue->Get( fitting );
123 mFittingMode = FittingMode::DEFAULT;
124 if( fitting == SHRINK_TO_FIT )
126 mFittingMode = FittingMode::SHRINK_TO_FIT;
128 else if( fitting == SCALE_TO_FILL )
130 mFittingMode = FittingMode::SCALE_TO_FILL;
132 else if( fitting == FIT_WIDTH )
134 mFittingMode = FittingMode::FIT_WIDTH;
136 else if( fitting == FIT_HEIGHT )
138 mFittingMode = FittingMode::FIT_HEIGHT;
140 else if( fitting == DEFAULT )
142 mFittingMode = FittingMode::DEFAULT;
146 DALI_ASSERT_ALWAYS("Unknown fitting mode");
150 Property::Value* samplingValue = propertyMap.Find( IMAGE_SAMPLING_MODE );
153 std::string sampling;
154 samplingValue->Get( sampling );
156 mSamplingMode = SamplingMode::DEFAULT;
157 if( sampling == BOX )
159 mSamplingMode = SamplingMode::BOX;
161 else if( sampling == NEAREST )
163 mSamplingMode = SamplingMode::NEAREST;
165 else if( sampling == LINEAR )
167 mSamplingMode = SamplingMode::LINEAR;
169 else if( sampling == BOX_THEN_NEAREST )
171 mSamplingMode = SamplingMode::BOX_THEN_NEAREST;
173 else if( sampling == BOX_THEN_LINEAR )
175 mSamplingMode = SamplingMode::BOX_THEN_LINEAR;
177 else if( sampling == NO_FILTER )
179 mSamplingMode = SamplingMode::NO_FILTER;
181 else if( sampling == DONT_CARE )
183 mSamplingMode = SamplingMode::DONT_CARE;
185 else if( sampling == DEFAULT )
187 mSamplingMode = SamplingMode::DEFAULT;
191 DALI_ASSERT_ALWAYS("Unknown sampling mode");
195 int desiredWidth = 0;
196 Property::Value* desiredWidthValue = propertyMap.Find( IMAGE_DESIRED_WIDTH );
197 if( desiredWidthValue )
199 desiredWidthValue->Get( desiredWidth );
202 int desiredHeight = 0;
203 Property::Value* desiredHeightValue = propertyMap.Find( IMAGE_DESIRED_HEIGHT );
204 if( desiredHeightValue )
206 desiredHeightValue->Get( desiredHeight );
209 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
215 void ImageRenderer::SetSize( const Vector2& size )
217 ControlRenderer::SetSize( size );
218 // ToDo: renderer responds to the size change
221 void ImageRenderer::SetClipRect( const Rect<int>& clipRect )
223 ControlRenderer::SetClipRect( clipRect );
224 //ToDo: renderer responds to the clipRect change
227 void ImageRenderer::SetOffset( const Vector2& offset )
229 //ToDo: renderer applies the offset
232 void ImageRenderer::DoSetOnStage( Actor& actor )
234 if( !mImageUrl.empty() && !mImage )
236 mImage = Dali::ResourceImage::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
239 ApplyImageToSampler();
242 void ImageRenderer::DoSetOffStage( Actor& actor )
244 //If we own the image then make sure we release it when we go off stage
245 if( !mImageUrl.empty() )
251 void ImageRenderer::CreatePropertyMap( Property::Map& map ) const
254 map.Insert( RENDERER_TYPE, RENDERER_TYPE_VALUE );
255 if( !mImageUrl.empty() )
257 map.Insert( IMAGE_URL_NAME, mImageUrl );
258 map.Insert( IMAGE_DESIRED_WIDTH, mDesiredSize.GetWidth() );
259 map.Insert( IMAGE_DESIRED_HEIGHT, mDesiredSize.GetHeight() );
263 map.Insert( IMAGE_DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
264 map.Insert( IMAGE_DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
266 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
269 map.Insert( IMAGE_URL_NAME, resourceImage.GetUrl() );
273 switch( mFittingMode )
275 case Dali::FittingMode::FIT_HEIGHT:
277 map.Insert( IMAGE_FITTING_MODE, FIT_HEIGHT );
280 case Dali::FittingMode::FIT_WIDTH:
282 map.Insert( IMAGE_FITTING_MODE, FIT_WIDTH );
285 case Dali::FittingMode::SCALE_TO_FILL:
287 map.Insert( IMAGE_FITTING_MODE, SCALE_TO_FILL );
290 case Dali::FittingMode::SHRINK_TO_FIT:
292 map.Insert( IMAGE_FITTING_MODE, SHRINK_TO_FIT );
297 map.Insert( IMAGE_FITTING_MODE, DEFAULT );
302 switch( mSamplingMode )
304 case Dali::SamplingMode::BOX:
306 map.Insert( IMAGE_SAMPLING_MODE, BOX );
309 case Dali::SamplingMode::NEAREST:
311 map.Insert( IMAGE_SAMPLING_MODE, NEAREST );
314 case Dali::SamplingMode::LINEAR:
316 map.Insert( IMAGE_SAMPLING_MODE, LINEAR );
319 case Dali::SamplingMode::BOX_THEN_LINEAR:
321 map.Insert( IMAGE_SAMPLING_MODE, BOX_THEN_LINEAR );
324 case Dali::SamplingMode::BOX_THEN_NEAREST:
326 map.Insert( IMAGE_SAMPLING_MODE, BOX_THEN_NEAREST );
329 case Dali::SamplingMode::NO_FILTER:
331 map.Insert( IMAGE_SAMPLING_MODE, NO_FILTER );
334 case Dali::SamplingMode::DONT_CARE:
336 map.Insert( IMAGE_SAMPLING_MODE, DONT_CARE );
341 map.Insert( IMAGE_SAMPLING_MODE, DEFAULT );
347 void ImageRenderer::Initialize( RendererFactoryCache& factoryCache )
349 mImpl->mGeometry = factoryCache.GetGeometry( RendererFactoryCache::QUAD_GEOMETRY );
350 if( !(mImpl->mGeometry) )
352 mImpl->mGeometry = factoryCache.CreateQuadGeometry();
353 factoryCache.SaveGeometry( RendererFactoryCache::QUAD_GEOMETRY, mImpl->mGeometry );
356 mImpl->mShader = factoryCache.GetShader( RendererFactoryCache::IMAGE_SHADER );
357 if( !mImpl->mShader )
359 mImpl->mShader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
360 factoryCache.SaveShader( RendererFactoryCache::IMAGE_SHADER, mImpl->mShader );
363 mDesiredSize = ImageDimensions();
364 mFittingMode = FittingMode::DEFAULT;
365 mSamplingMode = SamplingMode::DEFAULT;
369 void ImageRenderer::SetImage( const std::string& imageUrl )
371 SetImage( imageUrl, 0, 0, Dali::FittingMode::DEFAULT, Dali::SamplingMode::DEFAULT );
374 void ImageRenderer::SetImage( const std::string& imageUrl, int desiredWidth, int desiredHeight, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode )
376 if( mImageUrl != imageUrl )
378 mImageUrl = imageUrl;
379 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
380 mFittingMode = fittingMode;
381 mSamplingMode = samplingMode;
383 if( !mImageUrl.empty() && mImpl->mIsOnStage )
385 mImage = Dali::ResourceImage::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
386 ApplyImageToSampler();
395 void ImageRenderer::SetImage( Image image )
397 if( mImage != image )
400 mDesiredSize = ImageDimensions();
401 mFittingMode = FittingMode::DEFAULT;
402 mSamplingMode = SamplingMode::DEFAULT;
405 if( mImage && mImpl->mIsOnStage )
407 ApplyImageToSampler();
412 Image ImageRenderer::GetImage() const
417 void ImageRenderer::ApplyImageToSampler()
421 Material material = mImpl->mRenderer.GetMaterial();
424 for( std::size_t i = 0; i < material.GetNumberOfSamplers(); ++i )
426 Sampler sampler = material.GetSamplerAt( i );
427 if( sampler.GetUniformName() == TEXTURE_UNIFORM_NAME )
429 sampler.SetImage( mImage );
434 Sampler sampler = Sampler::New( mImage, TEXTURE_UNIFORM_NAME );
435 material.AddSampler( sampler );
440 } // namespace Internal
442 } // namespace Toolkit