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 <dali-toolkit/internal/visuals/image/image-visual.h>
22 #include <cstring> // for strncasecmp
23 #include <dali/public-api/images/resource-image.h>
24 #include <dali/public-api/images/native-image.h>
25 #include <dali/devel-api/images/atlas.h>
26 #include <dali/devel-api/images/texture-set-image.h>
27 #include <dali/devel-api/adaptor-framework/bitmap-loader.h>
28 #include <dali/devel-api/scripting/enum-helper.h>
29 #include <dali/devel-api/scripting/scripting.h>
30 #include <dali/integration-api/debug.h>
33 #include <dali-toolkit/public-api/visuals/image-visual-properties.h>
34 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
35 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
36 #include <dali-toolkit/internal/visuals/visual-factory-cache.h>
37 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
38 #include <dali-toolkit/internal/visuals/image-atlas-manager.h>
39 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
52 const char HTTP_URL[] = "http://";
53 const char HTTPS_URL[] = "https://";
56 const char * const IMAGE_FITTING_MODE( "fittingMode" );
57 const char * const IMAGE_SAMPLING_MODE( "samplingMode" );
58 const char * const IMAGE_DESIRED_WIDTH( "desiredWidth" );
59 const char * const IMAGE_DESIRED_HEIGHT( "desiredHeight" );
60 const char * const IMAGE_WRAP_MODE_U("wrapModeU");
61 const char * const IMAGE_WRAP_MODE_V("wrapModeV");
62 const char * const SYNCHRONOUS_LOADING( "synchronousLoading" );
63 const char * const BATCHING_ENABLED( "batchingEnabled" );
66 DALI_ENUM_TO_STRING_TABLE_BEGIN( FITTING_MODE )
67 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SHRINK_TO_FIT )
68 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SCALE_TO_FILL )
69 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_WIDTH )
70 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_HEIGHT )
71 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, DEFAULT )
72 DALI_ENUM_TO_STRING_TABLE_END( FITTING_MODE )
75 DALI_ENUM_TO_STRING_TABLE_BEGIN( SAMPLING_MODE )
76 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX )
77 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NEAREST )
78 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, LINEAR )
79 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_NEAREST )
80 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_LINEAR )
81 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NO_FILTER )
82 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, DONT_CARE )
83 DALI_ENUM_TO_STRING_TABLE_END( SAMPLING_MODE )
86 DALI_ENUM_TO_STRING_TABLE_BEGIN( WRAP_MODE )
87 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, DEFAULT )
88 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, CLAMP_TO_EDGE )
89 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, REPEAT )
90 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, MIRRORED_REPEAT )
91 DALI_ENUM_TO_STRING_TABLE_END( WRAP_MODE )
93 const std::string PIXEL_AREA_UNIFORM_NAME = "pixelArea";
94 const std::string WRAP_MODE_UNIFORM_NAME = "wrapMode";
96 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
98 const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
100 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
101 attribute mediump vec2 aPosition;\n
102 uniform mediump mat4 uMvpMatrix;\n
103 uniform mediump vec3 uSize;\n
104 uniform mediump vec4 pixelArea;
105 varying mediump vec2 vTexCoord;\n
109 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
110 vertexPosition.xyz *= uSize;\n
111 vertexPosition = uMvpMatrix * vertexPosition;\n
113 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
114 gl_Position = vertexPosition;\n
118 const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
119 varying mediump vec2 vTexCoord;\n
120 uniform sampler2D sTexture;\n
121 uniform lowp vec4 uColor;\n
125 gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
129 const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
130 varying mediump vec2 vTexCoord;\n
131 uniform sampler2D sTexture;\n
132 uniform mediump vec4 uAtlasRect;\n
133 uniform lowp vec4 uColor;\n
137 mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
138 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
142 const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
143 varying mediump vec2 vTexCoord;\n
144 uniform sampler2D sTexture;\n
145 uniform mediump vec4 uAtlasRect;\n
146 // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
147 uniform lowp vec2 wrapMode;\n
148 uniform lowp vec4 uColor;\n
150 mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
152 mediump float coord;\n
153 if( wrap > 1.5 )\n // REFLECT
154 coord = 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
155 else \n// warp == 0 or 1
156 coord = mix(coordinate, fract( coordinate ), wrap);\n
157 return clamp( mix(range.x, range.y, coord), range.x, range.y );
162 mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),
163 wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n
164 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
168 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
172 if( gridSize == ImageDimensions( 1, 1 ) )
174 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
177 geometry = VisualFactoryCache::CreateQuadGeometry();
178 factoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
183 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
189 } // unnamed namespace
191 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache )
193 return new ImageVisual( factoryCache );
196 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
197 const std::string& imageUrl,
198 ImageDimensions size,
199 FittingMode::Type fittingMode,
200 Dali::SamplingMode::Type samplingMode )
202 return new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode );
205 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache, const Image& image )
207 return new ImageVisual( factoryCache, image );
210 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache )
211 : Visual::Base( factoryCache ),
215 mPixelArea( FULL_TEXTURE_RECT ),
218 mNativeFragmentShaderCode(),
220 mFittingMode( FittingMode::DEFAULT ),
221 mSamplingMode( SamplingMode::DEFAULT ),
222 mWrapModeU( WrapMode::DEFAULT ),
223 mWrapModeV( WrapMode::DEFAULT ),
224 mNativeImageFlag( false )
228 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
229 const std::string& imageUrl,
230 ImageDimensions size,
231 FittingMode::Type fittingMode,
232 Dali::SamplingMode::Type samplingMode )
233 : Visual::Base( factoryCache ),
237 mPixelArea( FULL_TEXTURE_RECT ),
239 mImageUrl( imageUrl ),
240 mNativeFragmentShaderCode(),
241 mDesiredSize( size ),
242 mFittingMode( fittingMode ),
243 mSamplingMode( samplingMode ),
244 mWrapModeU( WrapMode::DEFAULT ),
245 mWrapModeV( WrapMode::DEFAULT ),
246 mNativeImageFlag( false )
250 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
251 : Visual::Base( factoryCache ),
254 mPixelArea( FULL_TEXTURE_RECT ),
257 mNativeFragmentShaderCode(),
259 mFittingMode( FittingMode::DEFAULT ),
260 mSamplingMode( SamplingMode::DEFAULT ),
261 mWrapModeU( WrapMode::DEFAULT ),
262 mWrapModeV( WrapMode::DEFAULT ),
263 mNativeImageFlag( false )
265 NativeImage newNativeImage = NativeImage::DownCast( image );
268 SetNativeFragmentShaderCode( newNativeImage );
269 mNativeImageFlag = true;
273 mNativeImageFlag = false;
277 ImageVisual::~ImageVisual()
281 void ImageVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
283 std::string oldImageUrl = mImageUrl;
285 Property::Value* imageURLValue = propertyMap.Find( Toolkit::ImageVisual::Property::URL, IMAGE_URL_NAME );
288 imageURLValue->Get( mImageUrl );
289 if( !mImageUrl.empty() )
294 Property::Value* fittingValue = propertyMap.Find( Toolkit::ImageVisual::Property::FITTING_MODE, IMAGE_FITTING_MODE );
298 Scripting::GetEnumerationProperty( *fittingValue, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, value );
299 mFittingMode = Dali::FittingMode::Type( value );
302 Property::Value* samplingValue = propertyMap.Find( Toolkit::ImageVisual::Property::SAMPLING_MODE, IMAGE_SAMPLING_MODE );
306 Scripting::GetEnumerationProperty( *samplingValue, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, value );
307 mSamplingMode = Dali::SamplingMode::Type( value );
310 int desiredWidth = 0;
311 Property::Value* desiredWidthValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_WIDTH, IMAGE_DESIRED_WIDTH );
312 if( desiredWidthValue )
314 desiredWidthValue->Get( desiredWidth );
317 int desiredHeight = 0;
318 Property::Value* desiredHeightValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, IMAGE_DESIRED_HEIGHT );
319 if( desiredHeightValue )
321 desiredHeightValue->Get( desiredHeight );
324 Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
327 pixelAreaValue->Get( mPixelArea );
330 Property::Value* wrapModeValueU = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_U, IMAGE_WRAP_MODE_U );
334 Scripting::GetEnumerationProperty( *wrapModeValueU, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, value );
335 mWrapModeU = Dali::WrapMode::Type( value );
338 Property::Value* wrapModeValueV = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_V, IMAGE_WRAP_MODE_V );
342 Scripting::GetEnumerationProperty( *wrapModeValueV, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, value );
343 mWrapModeV = Dali::WrapMode::Type( value );
346 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
349 Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
353 syncLoading->Get( sync );
356 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
360 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
364 // if sync loading is required, the loading should start immediately when new image url is set or the actor is off stage
365 // ( for on-stage actor with image url unchanged, resource loading is already finished)
366 if( imageURLValue && IsSynchronousResourceLoading() )
368 LoadResourceSynchronously();
371 NativeImage nativeImage = NativeImage::DownCast( mImage );
375 SetNativeFragmentShaderCode( nativeImage );
378 // if actor is on stage, create new renderer and apply to actor
379 if( actor && actor.OnStage() )
385 void ImageVisual::GetNaturalSize( Vector2& naturalSize ) const
389 naturalSize.x = mImage.GetWidth();
390 naturalSize.y = mImage.GetHeight();
393 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
395 naturalSize.x = mDesiredSize.GetWidth();
396 naturalSize.y = mDesiredSize.GetHeight();
399 else if( !mImageUrl.empty() )
401 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
402 naturalSize.x = dimentions.GetWidth();
403 naturalSize.y = dimentions.GetHeight();
407 naturalSize = Vector2::ZERO;
410 void ImageVisual::CreateRenderer()
415 // If mImage is nativeImage with custom sampler or prefix, mNativeFragmentShaderCode will be applied.
416 // Renderer can't be shared between NativeImage and other image types.
417 if( !mNativeFragmentShaderCode.empty() )
419 CreateNativeImageRenderer();
423 if( !mImpl->mCustomShader )
425 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
427 shader = GetImageShader( mFactoryCache,
428 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
429 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
433 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
434 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
436 shader = GetImageShader(mFactoryCache, false, true);
440 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
441 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
442 mImpl->mCustomShader->mHints );
443 if( mImpl->mCustomShader->mVertexShader.empty() )
445 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
450 mImpl->mRenderer = Renderer::New( geometry, shader );
451 // apply the texture set as well so it's only done in one place
452 DALI_ASSERT_DEBUG( mTextureSet );
453 mImpl->mRenderer.SetTextures( mTextureSet );
456 void ImageVisual::CreateNativeImageRenderer()
461 if( !mImpl->mCustomShader )
463 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
465 shader = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
466 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
470 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
471 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
472 mNativeFragmentShaderCode,
473 mImpl->mCustomShader->mHints );
474 if( mImpl->mCustomShader->mVertexShader.empty() )
476 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
480 mImpl->mRenderer = Renderer::New( geometry, shader );
481 // apply the texture set as well so it's only done in one place
482 DALI_ASSERT_DEBUG( mTextureSet );
483 mImpl->mRenderer.SetTextures( mTextureSet );
487 bool ImageVisual::IsSynchronousResourceLoading() const
489 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
492 void ImageVisual::LoadResourceSynchronously()
494 if( !mImageUrl.empty() )
496 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
498 mPixels = loader.GetPixelData();
502 void ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading, bool attemptAtlasing )
504 textureRect = FULL_TEXTURE_RECT;
505 if( synchronousLoading )
510 mTextureSet = TextureSet::New();
511 TextureSetImage( mTextureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
515 if( attemptAtlasing )
517 mTextureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
518 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
520 if( !mTextureSet ) // big image, no atlasing or atlasing failed
522 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
523 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, mPixels.GetPixelFormat(),
524 mPixels.GetWidth(), mPixels.GetHeight() );
525 texture.Upload( mPixels );
526 mTextureSet = TextureSet::New();
527 mTextureSet.SetTexture( 0u, texture );
533 if( attemptAtlasing )
535 mTextureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
536 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
538 if( !mTextureSet ) // big image, no atlasing or atlasing failed
540 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
541 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
542 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
543 mTextureSet = TextureSet::New();
544 TextureSetImage( mTextureSet, 0u, resourceImage );
548 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
550 Sampler sampler = Sampler::New();
551 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
552 mTextureSet.SetSampler( 0u, sampler );
556 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
558 if( imageUrl.empty() )
563 mImageUrl = imageUrl;
564 mImpl->mRenderer.Reset();
565 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
567 if( !mImpl->mCustomShader &&
568 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // ignore remote images
569 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
571 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
572 bool cacheable = defaultWrapMode && mPixelArea == FULL_TEXTURE_RECT;
574 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
575 if( cacheable ) // fetch the renderer from cache if exist
577 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
578 mImpl->mFlags |= Impl::IS_FROM_CACHE;
581 if( !mImpl->mRenderer ) // new renderer is needed
584 // texture set has to be created first as we need to know if atlasing succeeded or not
585 // when selecting the shader
586 CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), true );
589 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
591 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
592 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
594 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
595 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
596 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
600 // save the renderer to cache only when default wrap mode and default pixel area is used
603 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
609 // for custom shader or remote image, renderer is not cached and atlas is not applied
610 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
611 Vector4 atlasRect; // ignored in this case
612 CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), false );
617 void ImageVisual::InitializeRenderer( const Image& image )
619 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
621 // don't reuse CreateTextureSet
622 mTextureSet = TextureSet::New();
627 ApplyImageToSampler( image );
631 void ImageVisual::UploadCompleted()
633 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
634 Actor actor = mPlacementActor.GetHandle();
637 actor.AddRenderer( mImpl->mRenderer );
638 // reset the weak handle so that the renderer only get added to actor once
639 mPlacementActor.Reset();
643 void ImageVisual::DoSetOnStage( Actor& actor )
645 mPlacementActor = actor;
647 if( !mImageUrl.empty() )
649 InitializeRenderer( mImageUrl );
653 InitializeRenderer( mImage );
656 if( mPixelArea != FULL_TEXTURE_RECT )
658 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
661 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
663 actor.AddRenderer( mImpl->mRenderer );
664 mPlacementActor.Reset();
668 void ImageVisual::DoSetOffStage( Actor& actor )
670 //If we own the image then make sure we release it when we go off stage
671 if( !mImageUrl.empty() )
673 actor.RemoveRenderer( mImpl->mRenderer );
674 CleanCache(mImageUrl);
679 actor.RemoveRenderer( mImpl->mRenderer );
680 mImpl->mRenderer.Reset();
682 mPlacementActor.Reset();
683 mTextureSet.Reset(); // release texture when going offstage
686 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
689 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE );
691 bool sync = IsSynchronousResourceLoading();
692 map.Insert( SYNCHRONOUS_LOADING, sync );
693 if( !mImageUrl.empty() )
695 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
696 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
697 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
701 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
702 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
704 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
707 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
711 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
712 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
714 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
715 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
716 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
719 void ImageVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
724 Dali::Property::Value ImageVisual::DoGetProperty( Dali::Property::Index index )
727 return Dali::Property::Value();
730 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
735 if( defaultTextureWrapping )
737 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
740 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
741 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
746 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
749 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
750 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
756 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
759 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
760 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
763 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
767 void ImageVisual::ApplyImageToSampler( const Image& image )
771 DALI_ASSERT_DEBUG( mTextureSet ); // texture set should always exist by this time
773 TextureSetImage( mTextureSet, 0u, image );
774 Sampler sampler = Sampler::New();
775 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
776 mTextureSet.SetSampler( 0u, sampler );
780 void ImageVisual::OnImageLoaded( ResourceImage image )
782 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
784 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
785 if( mImpl->mRenderer )
787 ApplyImageToSampler( brokenImage );
792 void ImageVisual::CleanCache(const std::string& url)
796 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
797 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
798 if( index != Property::INVALID_INDEX )
800 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
801 atlasRectValue.Get( atlasRect );
804 mImpl->mRenderer.Reset();
805 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
807 mFactoryCache.GetAtlasManager()->Remove( mTextureSet, atlasRect );
812 void ImageVisual::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
814 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
815 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
819 mNativeFragmentShaderCode = fragmentPreFix;
820 mNativeFragmentShaderCode += "\n";
823 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
825 mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
829 mNativeFragmentShaderCode += FRAGMENT_SHADER_NO_ATLAS;
832 if( customSamplerTypename )
834 mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
838 } // namespace Internal
840 } // namespace Toolkit