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" );
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 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache )
192 : Visual::Base( factoryCache ),
193 mPixelArea( FULL_TEXTURE_RECT ),
195 mFittingMode( FittingMode::DEFAULT ),
196 mSamplingMode( SamplingMode::DEFAULT ),
197 mWrapModeU( WrapMode::DEFAULT ),
198 mWrapModeV( WrapMode::DEFAULT ),
199 mNativeFragmentShaderCode( ),
200 mNativeImageFlag( false )
204 ImageVisual::~ImageVisual()
208 void ImageVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
210 std::string oldImageUrl = mImageUrl;
212 Property::Value* imageURLValue = propertyMap.Find( Toolkit::ImageVisual::Property::URL, IMAGE_URL_NAME );
215 imageURLValue->Get( mImageUrl );
216 if( !mImageUrl.empty() )
221 Property::Value* fittingValue = propertyMap.Find( Toolkit::ImageVisual::Property::FITTING_MODE, IMAGE_FITTING_MODE );
224 Scripting::GetEnumerationProperty( *fittingValue, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, mFittingMode );
227 Property::Value* samplingValue = propertyMap.Find( Toolkit::ImageVisual::Property::SAMPLING_MODE, IMAGE_SAMPLING_MODE );
230 Scripting::GetEnumerationProperty( *samplingValue, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, mSamplingMode );
233 int desiredWidth = 0;
234 Property::Value* desiredWidthValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_WIDTH, IMAGE_DESIRED_WIDTH );
235 if( desiredWidthValue )
237 desiredWidthValue->Get( desiredWidth );
240 int desiredHeight = 0;
241 Property::Value* desiredHeightValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, IMAGE_DESIRED_HEIGHT );
242 if( desiredHeightValue )
244 desiredHeightValue->Get( desiredHeight );
247 Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
250 pixelAreaValue->Get( mPixelArea );
253 Property::Value* wrapModeValueU = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_U, IMAGE_WRAP_MODE_U );
256 Scripting::GetEnumerationProperty( *wrapModeValueU, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, mWrapModeU );
259 Property::Value* wrapModeValueV = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_V, IMAGE_WRAP_MODE_V );
262 Scripting::GetEnumerationProperty( *wrapModeValueV, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, mWrapModeV );
265 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
268 Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
272 syncLoading->Get( sync );
275 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
279 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
283 // if sync loading is required, the loading should start immediately when new image url is set or the actor is off stage
284 // ( for on-stage actor with image url unchanged, resource loading is already finished)
285 if( ( !mImpl->mRenderer || imageURLValue) && IsSynchronousResourceLoading() )
287 DoSynchronousResourceLoading();
290 // remove old renderer if exit
291 if( mImpl->mRenderer )
293 if( actor ) //remove old renderer from actor
295 actor.RemoveRenderer( mImpl->mRenderer );
297 if( !oldImageUrl.empty() ) //clean old renderer from cache
299 CleanCache( oldImageUrl );
303 NativeImage nativeImage = NativeImage::DownCast( mImage );
307 SetNativeFragmentShaderCode( nativeImage );
310 // if actor is on stage, create new renderer and apply to actor
311 if( actor && actor.OnStage() )
317 void ImageVisual::GetNaturalSize( Vector2& naturalSize ) const
321 naturalSize.x = mImage.GetWidth();
322 naturalSize.y = mImage.GetHeight();
325 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
327 naturalSize.x = mDesiredSize.GetWidth();
328 naturalSize.y = mDesiredSize.GetHeight();
331 else if( !mImageUrl.empty() )
333 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
334 naturalSize.x = dimentions.GetWidth();
335 naturalSize.y = dimentions.GetHeight();
339 naturalSize = Vector2::ZERO;
342 Renderer ImageVisual::CreateRenderer() const
347 // If mImage is nativeImage with custom sampler or prefix, mNativeFragmentShaderCode will be applied.
348 // Renderer can't be shared between NativeImage and other image types.
349 if( !mNativeFragmentShaderCode.empty() )
351 return CreateNativeImageRenderer();
354 if( !mImpl->mCustomShader )
356 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
358 shader = GetImageShader( mFactoryCache,
359 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
360 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
364 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
365 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
367 shader = GetImageShader(mFactoryCache, false, true);
371 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
372 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
373 mImpl->mCustomShader->mHints );
374 if( mImpl->mCustomShader->mVertexShader.empty() )
376 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
381 Renderer renderer = Renderer::New( geometry, shader );
386 Renderer ImageVisual::CreateNativeImageRenderer() const
391 if( !mImpl->mCustomShader )
393 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
395 shader = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
396 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
400 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
401 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
402 mNativeFragmentShaderCode,
403 mImpl->mCustomShader->mHints );
404 if( mImpl->mCustomShader->mVertexShader.empty() )
406 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
410 TextureSet textureSet = TextureSet::New();
411 Renderer renderer = Renderer::New( geometry, shader );
412 renderer.SetTextures( textureSet );
417 bool ImageVisual::IsSynchronousResourceLoading() const
419 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
422 void ImageVisual::DoSynchronousResourceLoading()
424 if( !mImageUrl.empty() )
426 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
428 mPixels = loader.GetPixelData();
432 Image ImageVisual::LoadImage( const std::string& url, bool synchronousLoading )
434 if( synchronousLoading )
439 return VisualFactoryCache::GetBrokenVisualImage();
441 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
442 image.Upload( mPixels, 0, 0 );
447 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
448 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
449 return resourceImage;
453 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading )
455 TextureSet textureSet;
456 textureRect = FULL_TEXTURE_RECT;
457 if( synchronousLoading )
462 textureSet = TextureSet::New();
463 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
467 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
468 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
469 if( !textureSet ) // big image, no atlasing
471 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
472 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
473 image.Upload( mPixels, 0, 0 );
474 textureSet = TextureSet::New();
475 TextureSetImage( textureSet, 0u, image );
481 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
482 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
483 if( !textureSet ) // big image, no atlasing
485 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
486 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
487 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
488 textureSet = TextureSet::New();
489 TextureSetImage( textureSet, 0u, resourceImage );
493 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
495 Sampler sampler = Sampler::New();
496 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
497 textureSet.SetSampler( 0u, sampler );
503 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
505 if( imageUrl.empty() )
510 mImageUrl = imageUrl;
511 mImpl->mRenderer.Reset();
512 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
514 if( !mImpl->mCustomShader &&
515 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // ignore remote images
516 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
518 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
519 bool cacheable = defaultWrapMode && mPixelArea == FULL_TEXTURE_RECT;
521 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
522 if( cacheable ) // fetch the renderer from cache if exist
524 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
525 mImpl->mFlags |= Impl::IS_FROM_CACHE;
528 if( !mImpl->mRenderer ) // new renderer is needed
531 TextureSet textureSet = CreateTextureSet(atlasRect, imageUrl, IsSynchronousResourceLoading() );
532 Geometry geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
533 Shader shader( GetImageShader(mFactoryCache, mImpl->mFlags & Impl::IS_ATLASING_APPLIED, defaultWrapMode) );
534 mImpl->mRenderer = Renderer::New( geometry, shader );
535 mImpl->mRenderer.SetTextures( textureSet );
537 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
539 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
540 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
542 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
543 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
544 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
548 // save the renderer to cache only when default wrap mode and default pixel area is used
551 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
557 // for custom shader or remote image, renderer is not cached and atlas is not applied
558 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
559 mImpl->mRenderer = CreateRenderer();
560 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
561 ApplyImageToSampler( image );
565 void ImageVisual::InitializeRenderer( const Image& image )
567 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
569 mImpl->mRenderer = CreateRenderer();
573 ApplyImageToSampler( image );
577 void ImageVisual::UploadCompleted()
579 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
580 Actor actor = mPlacementActor.GetHandle();
583 actor.AddRenderer( mImpl->mRenderer );
584 // reset the weak handle so that the renderer only get added to actor once
585 mPlacementActor.Reset();
589 void ImageVisual::DoSetOnStage( Actor& actor )
591 mPlacementActor = actor;
593 if( !mImageUrl.empty() )
595 InitializeRenderer( mImageUrl );
599 InitializeRenderer( mImage );
602 if( mPixelArea != FULL_TEXTURE_RECT )
604 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
607 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
609 actor.AddRenderer( mImpl->mRenderer );
610 mPlacementActor.Reset();
614 void ImageVisual::DoSetOffStage( Actor& actor )
616 //If we own the image then make sure we release it when we go off stage
617 if( !mImageUrl.empty() )
619 actor.RemoveRenderer( mImpl->mRenderer );
620 CleanCache(mImageUrl);
625 actor.RemoveRenderer( mImpl->mRenderer );
626 mImpl->mRenderer.Reset();
628 mPlacementActor.Reset();
631 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
634 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE );
636 bool sync = IsSynchronousResourceLoading();
637 map.Insert( SYNCHRONOUS_LOADING, sync );
638 if( !mImageUrl.empty() )
640 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
641 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
642 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
646 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
647 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
649 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
652 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
656 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
657 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
659 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
660 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
661 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
664 void ImageVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
669 Dali::Property::Value ImageVisual::DoGetProperty( Dali::Property::Index index )
672 return Dali::Property::Value();
675 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
680 if( defaultTextureWrapping )
682 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
685 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
686 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
691 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
694 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
695 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
701 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
704 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
705 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
708 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
712 void ImageVisual::SetImage( Actor& actor, const std::string& imageUrl, ImageDimensions size, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode )
714 if( mImageUrl != imageUrl )
716 std::string oldImageUrl = mImageUrl;
717 mImageUrl = imageUrl;
719 mFittingMode = fittingMode;
720 mSamplingMode = samplingMode;
723 if( IsSynchronousResourceLoading() )
725 DoSynchronousResourceLoading();
728 if( mImpl->mRenderer )
730 if( GetIsFromCache() ) // if renderer is from cache, remove the old one
732 //remove old renderer
735 actor.RemoveRenderer( mImpl->mRenderer );
739 if( !oldImageUrl.empty() )
741 CleanCache(oldImageUrl);
744 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
749 else // if renderer is not from cache, reuse the same renderer and only change the texture
751 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
752 ApplyImageToSampler( image );
758 void ImageVisual::SetImage( Actor& actor, const Image& image )
760 if( mImage != image )
762 NativeImage newNativeImage = NativeImage::DownCast( image );
763 bool newRendererFlag = true;
765 if( newNativeImage && !mNativeImageFlag )
767 SetNativeFragmentShaderCode( newNativeImage );
770 if( ( newNativeImage && mNativeImageFlag ) || ( !newNativeImage && !mNativeImageFlag ) )
772 newRendererFlag = false;
777 mNativeImageFlag = true;
781 mNativeFragmentShaderCode.clear();
782 mNativeImageFlag = false;
787 if( mImpl->mRenderer )
789 // if renderer is from cache, remove the old one, and create new renderer
790 if( GetIsFromCache() )
792 //remove old renderer
795 actor.RemoveRenderer( mImpl->mRenderer );
799 if( !mImageUrl.empty() )
801 CleanCache(mImageUrl);
805 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
810 // if input image is nativeImage and mImage is regular image or the reverse, remove the old one, and create new renderer
811 else if( newRendererFlag )
813 //remove old renderer
816 actor.RemoveRenderer( mImpl->mRenderer );
819 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
824 else // if renderer is not from cache, reuse the same renderer and only change the texture
826 ApplyImageToSampler( image );
831 mDesiredSize = ImageDimensions();
832 mFittingMode = FittingMode::DEFAULT;
833 mSamplingMode = SamplingMode::DEFAULT;
837 void ImageVisual::ApplyImageToSampler( const Image& image )
841 TextureSet textureSet = mImpl->mRenderer.GetTextures();
844 textureSet = TextureSet::New();
845 mImpl->mRenderer.SetTextures( textureSet );
847 TextureSetImage( textureSet, 0u, image );
848 Sampler sampler = Sampler::New();
849 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
850 textureSet.SetSampler( 0u, sampler );
854 void ImageVisual::OnImageLoaded( ResourceImage image )
856 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
858 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
859 if( mImpl->mRenderer )
861 ApplyImageToSampler( brokenImage );
866 void ImageVisual::CleanCache(const std::string& url)
868 TextureSet textureSet = mImpl->mRenderer.GetTextures();
870 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
871 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
872 if( index != Property::INVALID_INDEX )
874 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
875 atlasRectValue.Get( atlasRect );
878 mImpl->mRenderer.Reset();
879 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
881 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
885 void ImageVisual::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
887 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
888 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
892 mNativeFragmentShaderCode = fragmentPreFix;
893 mNativeFragmentShaderCode += "\n";
896 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
898 mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
902 mNativeFragmentShaderCode += FRAGMENT_SHADER_NO_ATLAS;
905 if( customSamplerTypename )
907 mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
911 } // namespace Internal
913 } // namespace Toolkit