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 "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" );
65 DALI_ENUM_TO_STRING_TABLE_BEGIN( FITTING_MODE )
66 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SHRINK_TO_FIT )
67 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SCALE_TO_FILL )
68 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_WIDTH )
69 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_HEIGHT )
70 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, DEFAULT )
71 DALI_ENUM_TO_STRING_TABLE_END( FITTING_MODE )
74 DALI_ENUM_TO_STRING_TABLE_BEGIN( SAMPLING_MODE )
75 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX )
76 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NEAREST )
77 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, LINEAR )
78 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_NEAREST )
79 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_LINEAR )
80 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NO_FILTER )
81 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, DONT_CARE )
82 DALI_ENUM_TO_STRING_TABLE_END( SAMPLING_MODE )
85 DALI_ENUM_TO_STRING_TABLE_BEGIN( WRAP_MODE )
86 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, DEFAULT )
87 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, CLAMP_TO_EDGE )
88 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, REPEAT )
89 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, MIRRORED_REPEAT )
90 DALI_ENUM_TO_STRING_TABLE_END( WRAP_MODE )
92 const std::string PIXEL_AREA_UNIFORM_NAME = "pixelArea";
93 const std::string WRAP_MODE_UNIFORM_NAME = "wrapMode";
95 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
97 const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
99 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
100 attribute mediump vec2 aPosition;\n
101 uniform mediump mat4 uMvpMatrix;\n
102 uniform mediump vec3 uSize;\n
103 uniform mediump vec4 pixelArea;
104 varying mediump vec2 vTexCoord;\n
108 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
109 vertexPosition.xyz *= uSize;\n
110 vertexPosition = uMvpMatrix * vertexPosition;\n
112 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
113 gl_Position = vertexPosition;\n
117 const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
118 varying mediump vec2 vTexCoord;\n
119 uniform sampler2D sTexture;\n
120 uniform lowp vec4 uColor;\n
124 gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
128 const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
129 varying mediump vec2 vTexCoord;\n
130 uniform sampler2D sTexture;\n
131 uniform mediump vec4 uAtlasRect;\n
132 uniform lowp vec4 uColor;\n
136 mediump vec2 texCoord = mix( uAtlasRect.xy, uAtlasRect.zw, clamp( vTexCoord, 0.0, 1.0 ) );\n
137 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
141 const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
142 varying mediump vec2 vTexCoord;\n
143 uniform sampler2D sTexture;\n
144 uniform mediump vec4 uAtlasRect;\n
145 // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
146 uniform lowp vec2 wrapMode;\n
147 uniform lowp vec4 uColor;\n
149 mediump float wrapCoordinate( mediump float coordinate, lowp float wrap )\n
151 if( abs(wrap-2.0) < 0.5 )\n // REFLECT
152 return 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
153 else \n// warp == 0 or 1
154 return mix( clamp( coordinate, 0.0, 1.0 ), fract( coordinate ), wrap);\n
158 mediump vec2 texCoord = mix( uAtlasRect.xy, uAtlasRect.zw,
159 vec2( wrapCoordinate( vTexCoord.x, wrapMode.x ), wrapCoordinate( vTexCoord.y, wrapMode.y ) ) );\n
160 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
164 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
168 if( gridSize == ImageDimensions( 1, 1 ) )
170 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
173 geometry = VisualFactoryCache::CreateQuadGeometry();
174 factoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
179 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
185 } //unnamed namespace
187 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache )
188 : Visual::Base( factoryCache ),
189 mPixelArea( FULL_TEXTURE_RECT ),
191 mFittingMode( FittingMode::DEFAULT ),
192 mSamplingMode( SamplingMode::DEFAULT ),
193 mWrapModeU( WrapMode::DEFAULT ),
194 mWrapModeV( WrapMode::DEFAULT ),
195 mNativeFragmentShaderCode( ),
196 mNativeImageFlag( false )
200 ImageVisual::~ImageVisual()
204 void ImageVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
206 std::string oldImageUrl = mImageUrl;
208 Property::Value* imageURLValue = propertyMap.Find( Toolkit::ImageVisual::Property::URL, IMAGE_URL_NAME );
211 imageURLValue->Get( mImageUrl );
212 if( !mImageUrl.empty() )
217 Property::Value* fittingValue = propertyMap.Find( Toolkit::ImageVisual::Property::FITTING_MODE, IMAGE_FITTING_MODE );
220 Scripting::GetEnumerationProperty( *fittingValue, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, mFittingMode );
223 Property::Value* samplingValue = propertyMap.Find( Toolkit::ImageVisual::Property::SAMPLING_MODE, IMAGE_SAMPLING_MODE );
226 Scripting::GetEnumerationProperty( *samplingValue, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, mSamplingMode );
229 int desiredWidth = 0;
230 Property::Value* desiredWidthValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_WIDTH, IMAGE_DESIRED_WIDTH );
231 if( desiredWidthValue )
233 desiredWidthValue->Get( desiredWidth );
236 int desiredHeight = 0;
237 Property::Value* desiredHeightValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, IMAGE_DESIRED_HEIGHT );
238 if( desiredHeightValue )
240 desiredHeightValue->Get( desiredHeight );
243 Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
246 pixelAreaValue->Get( mPixelArea );
249 Property::Value* wrapModeValueU = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_U, IMAGE_WRAP_MODE_U );
252 Scripting::GetEnumerationProperty( *wrapModeValueU, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, mWrapModeU );
255 Property::Value* wrapModeValueV = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_V, IMAGE_WRAP_MODE_V );
258 Scripting::GetEnumerationProperty( *wrapModeValueV, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, mWrapModeV );
261 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
264 Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
268 syncLoading->Get( sync );
271 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
275 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
279 // if sync loading is required, the loading should start immediately when new image url is set or the actor is off stage
280 // ( for on-stage actor with image url unchanged, resource loading is already finished)
281 if( ( !mImpl->mRenderer || imageURLValue) && IsSynchronousResourceLoading() )
283 DoSynchronousResourceLoading();
286 // remove old renderer if exit
287 if( mImpl->mRenderer )
289 if( actor ) //remove old renderer from actor
291 actor.RemoveRenderer( mImpl->mRenderer );
293 if( !oldImageUrl.empty() ) //clean old renderer from cache
295 CleanCache( oldImageUrl );
299 // if actor is on stage, create new renderer and apply to actor
300 if( actor && actor.OnStage() )
306 void ImageVisual::GetNaturalSize( Vector2& naturalSize ) const
310 naturalSize.x = mImage.GetWidth();
311 naturalSize.y = mImage.GetHeight();
314 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
316 naturalSize.x = mDesiredSize.GetWidth();
317 naturalSize.y = mDesiredSize.GetHeight();
320 else if( !mImageUrl.empty() )
322 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
323 naturalSize.x = dimentions.GetWidth();
324 naturalSize.y = dimentions.GetHeight();
328 naturalSize = Vector2::ZERO;
331 Renderer ImageVisual::CreateRenderer() const
336 // If mImage is nativeImage with custom sampler or prefix, mNativeFragmentShaderCode will be applied.
337 // Renderer can't be shared between NativeImage and other image types.
338 if( !mNativeFragmentShaderCode.empty() )
340 return CreateNativeImageRenderer();
343 if( !mImpl->mCustomShader )
345 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
347 shader = GetImageShader( mFactoryCache,
348 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
349 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
353 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
354 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
356 shader = GetImageShader(mFactoryCache, false, true);
360 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
361 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
362 mImpl->mCustomShader->mHints );
363 if( mImpl->mCustomShader->mVertexShader.empty() )
365 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
370 Renderer renderer = Renderer::New( geometry, shader );
375 Renderer ImageVisual::CreateNativeImageRenderer() const
380 if( !mImpl->mCustomShader )
382 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
384 shader = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
385 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
389 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
390 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
391 mNativeFragmentShaderCode,
392 mImpl->mCustomShader->mHints );
393 if( mImpl->mCustomShader->mVertexShader.empty() )
395 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
399 TextureSet textureSet = TextureSet::New();
400 Renderer renderer = Renderer::New( geometry, shader );
401 renderer.SetTextures( textureSet );
406 bool ImageVisual::IsSynchronousResourceLoading() const
408 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
411 void ImageVisual::DoSynchronousResourceLoading()
413 if( !mImageUrl.empty() )
415 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
417 mPixels = loader.GetPixelData();
421 Image ImageVisual::LoadImage( const std::string& url, bool synchronousLoading )
423 if( synchronousLoading )
428 return VisualFactoryCache::GetBrokenVisualImage();
430 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
431 image.Upload( mPixels, 0, 0 );
436 // Asynchronous image load
437 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
438 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
439 return resourceImage;
443 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading )
445 TextureSet textureSet;
446 textureRect = FULL_TEXTURE_RECT;
447 if( synchronousLoading )
452 textureSet = TextureSet::New();
453 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
457 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
458 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
459 if( !textureSet ) // big image, no atlasing
461 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
462 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
463 image.Upload( mPixels, 0, 0 );
464 textureSet = TextureSet::New();
465 TextureSetImage( textureSet, 0u, image );
471 // Asynchronous image load
472 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
473 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
474 if( !textureSet ) // big image, no atlasing
476 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
477 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
478 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
479 textureSet = TextureSet::New();
480 TextureSetImage( textureSet, 0u, resourceImage );
484 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
486 Sampler sampler = Sampler::New();
487 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
488 textureSet.SetSampler( 0u, sampler );
494 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
496 if( imageUrl.empty() )
501 mImageUrl = imageUrl;
502 mImpl->mRenderer.Reset();
503 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
505 if( !mImpl->mCustomShader &&
506 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // ignore remote images
507 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
509 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
510 bool cacheable = defaultWrapMode && mPixelArea == FULL_TEXTURE_RECT;
512 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
513 if( cacheable ) // fetch the renderer from cache if exist
515 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
516 mImpl->mFlags |= Impl::IS_FROM_CACHE;
519 if( !mImpl->mRenderer ) // new renderer is needed
522 TextureSet textureSet = CreateTextureSet(atlasRect, imageUrl, IsSynchronousResourceLoading() );
523 Geometry geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
524 Shader shader( GetImageShader(mFactoryCache, mImpl->mFlags & Impl::IS_ATLASING_APPLIED, defaultWrapMode) );
525 mImpl->mRenderer = Renderer::New( geometry, shader );
526 mImpl->mRenderer.SetTextures( textureSet );
528 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
530 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
531 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
533 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
534 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
535 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
539 // save the renderer to cache only when default wrap mode and default pixel area is used
542 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
548 // for custom shader or remote image, renderer is not cached and atlas is not applied
549 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
550 mImpl->mRenderer = CreateRenderer();
551 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
552 ApplyImageToSampler( image );
556 void ImageVisual::InitializeRenderer( const Image& image )
558 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
560 NativeImage nativeImage = NativeImage::DownCast( image );
564 SetNativeFragmentShaderCode( nativeImage );
567 mImpl->mRenderer = CreateRenderer();
571 ApplyImageToSampler( image );
574 if( mPixelArea != FULL_TEXTURE_RECT )
576 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
581 void ImageVisual::UploadCompleted()
583 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
584 Actor actor = mPlacementActor.GetHandle();
587 actor.AddRenderer( mImpl->mRenderer );
588 // reset the weak handle so that the renderer only get added to actor once
589 mPlacementActor.Reset();
592 // Image async loaded into the Atlas and is ready to display
596 void ImageVisual::DoSetOnStage( Actor& actor )
598 mPlacementActor = actor;
600 if( !mImageUrl.empty() )
602 InitializeRenderer( mImageUrl );
606 InitializeRenderer( mImage );
609 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
611 actor.AddRenderer( mImpl->mRenderer );
612 mPlacementActor.Reset();
614 // If we're sync loading and not atlasing (async), then the resource is ready to display
619 void ImageVisual::DoSetOffStage( Actor& actor )
621 //If we own the image then make sure we release it when we go off stage
622 if( !mImageUrl.empty() )
624 actor.RemoveRenderer( mImpl->mRenderer );
625 CleanCache(mImageUrl);
630 actor.RemoveRenderer( mImpl->mRenderer );
631 mImpl->mRenderer.Reset();
633 mPlacementActor.Reset();
636 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
639 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE );
641 bool sync = IsSynchronousResourceLoading();
642 map.Insert( SYNCHRONOUS_LOADING, sync );
643 if( !mImageUrl.empty() )
645 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
646 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
647 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
651 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
652 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
654 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
657 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
661 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
662 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
664 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
665 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
666 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
669 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
674 if( defaultTextureWrapping )
676 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
679 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
680 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
685 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
688 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
689 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
695 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
698 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
699 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
702 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
706 void ImageVisual::SetImage( Actor& actor, const std::string& imageUrl, ImageDimensions size, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode )
708 if( mImageUrl != imageUrl )
710 std::string oldImageUrl = mImageUrl;
711 mImageUrl = imageUrl;
713 mFittingMode = fittingMode;
714 mSamplingMode = samplingMode;
717 if( IsSynchronousResourceLoading() )
719 DoSynchronousResourceLoading();
722 if( mImpl->mRenderer )
724 if( GetIsFromCache() ) // if renderer is from cache, remove the old one
726 //remove old renderer
729 actor.RemoveRenderer( mImpl->mRenderer );
733 if( !oldImageUrl.empty() )
735 CleanCache(oldImageUrl);
738 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
743 else // if renderer is not from cache, reuse the same renderer and only change the texture
745 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
746 ApplyImageToSampler( image );
752 void ImageVisual::SetImage( Actor& actor, const Image& image )
754 if( mImage != image )
756 NativeImage newNativeImage = NativeImage::DownCast( image );
757 bool newRendererFlag = true;
759 if( newNativeImage && !mNativeImageFlag )
761 SetNativeFragmentShaderCode( newNativeImage );
764 if( ( newNativeImage && mNativeImageFlag ) || ( !newNativeImage && !mNativeImageFlag ) )
766 newRendererFlag = false;
771 mNativeImageFlag = true;
775 mNativeFragmentShaderCode.clear();
776 mNativeImageFlag = false;
781 if( mImpl->mRenderer )
783 // if renderer is from cache, remove the old one, and create new renderer
784 if( GetIsFromCache() )
786 //remove old renderer
789 actor.RemoveRenderer( mImpl->mRenderer );
793 if( !mImageUrl.empty() )
795 CleanCache(mImageUrl);
799 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
804 // if input image is nativeImage and mImage is regular image or the reverse, remove the old one, and create new renderer
805 else if( newRendererFlag )
807 //remove old renderer
810 actor.RemoveRenderer( mImpl->mRenderer );
813 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
818 else // if renderer is not from cache, reuse the same renderer and only change the texture
820 ApplyImageToSampler( image );
825 mDesiredSize = ImageDimensions();
826 mFittingMode = FittingMode::DEFAULT;
827 mSamplingMode = SamplingMode::DEFAULT;
831 void ImageVisual::ApplyImageToSampler( const Image& image )
835 TextureSet textureSet = mImpl->mRenderer.GetTextures();
838 textureSet = TextureSet::New();
839 mImpl->mRenderer.SetTextures( textureSet );
841 TextureSetImage( textureSet, 0u, image );
842 Sampler sampler = Sampler::New();
843 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
844 textureSet.SetSampler( 0u, sampler );
848 void ImageVisual::OnImageLoaded( ResourceImage image )
850 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
852 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
853 if( mImpl->mRenderer )
855 ApplyImageToSampler( brokenImage );
858 // ResourceImage async loaded and ready to display
862 void ImageVisual::CleanCache(const std::string& url)
864 TextureSet textureSet = mImpl->mRenderer.GetTextures();
866 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
867 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
868 if( index != Property::INVALID_INDEX )
870 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
871 atlasRectValue.Get( atlasRect );
874 mImpl->mRenderer.Reset();
875 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
877 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
881 void ImageVisual::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
883 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
884 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
888 mNativeFragmentShaderCode = fragmentPreFix;
889 mNativeFragmentShaderCode += "\n";
892 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
894 mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
898 mNativeFragmentShaderCode += FRAGMENT_SHADER_NO_ATLAS;
901 if( customSamplerTypename )
903 mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
907 } // namespace Internal
909 } // namespace Toolkit