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 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
437 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
438 return resourceImage;
442 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading )
444 TextureSet textureSet;
445 textureRect = FULL_TEXTURE_RECT;
446 if( synchronousLoading )
451 textureSet = TextureSet::New();
452 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
456 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
457 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
458 if( !textureSet ) // big image, no atlasing
460 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
461 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
462 image.Upload( mPixels, 0, 0 );
463 textureSet = TextureSet::New();
464 TextureSetImage( textureSet, 0u, image );
470 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
471 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
472 if( !textureSet ) // big image, no atlasing
474 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
475 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
476 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
477 textureSet = TextureSet::New();
478 TextureSetImage( textureSet, 0u, resourceImage );
482 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
484 Sampler sampler = Sampler::New();
485 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
486 textureSet.SetSampler( 0u, sampler );
492 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
494 if( imageUrl.empty() )
499 mImageUrl = imageUrl;
500 mImpl->mRenderer.Reset();
501 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
503 if( !mImpl->mCustomShader &&
504 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // ignore remote images
505 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
507 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
508 bool cacheable = defaultWrapMode && mPixelArea == FULL_TEXTURE_RECT;
510 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
511 if( cacheable ) // fetch the renderer from cache if exist
513 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
514 mImpl->mFlags |= Impl::IS_FROM_CACHE;
517 if( !mImpl->mRenderer ) // new renderer is needed
520 TextureSet textureSet = CreateTextureSet(atlasRect, imageUrl, IsSynchronousResourceLoading() );
521 Geometry geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
522 Shader shader( GetImageShader(mFactoryCache, mImpl->mFlags & Impl::IS_ATLASING_APPLIED, defaultWrapMode) );
523 mImpl->mRenderer = Renderer::New( geometry, shader );
524 mImpl->mRenderer.SetTextures( textureSet );
526 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
528 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
529 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
531 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
532 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
533 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
537 // save the renderer to cache only when default wrap mode and default pixel area is used
540 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
546 // for custom shader or remote image, renderer is not cached and atlas is not applied
547 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
548 mImpl->mRenderer = CreateRenderer();
549 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
550 ApplyImageToSampler( image );
554 void ImageVisual::InitializeRenderer( const Image& image )
556 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
558 NativeImage nativeImage = NativeImage::DownCast( image );
562 SetNativeFragmentShaderCode( nativeImage );
565 mImpl->mRenderer = CreateRenderer();
569 ApplyImageToSampler( image );
572 if( mPixelArea != FULL_TEXTURE_RECT )
574 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
579 void ImageVisual::UploadCompleted()
581 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
582 Actor actor = mPlacementActor.GetHandle();
585 actor.AddRenderer( mImpl->mRenderer );
586 // reset the weak handle so that the renderer only get added to actor once
587 mPlacementActor.Reset();
591 void ImageVisual::DoSetOnStage( Actor& actor )
593 mPlacementActor = actor;
595 if( !mImageUrl.empty() )
597 InitializeRenderer( mImageUrl );
601 InitializeRenderer( mImage );
604 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
606 actor.AddRenderer( mImpl->mRenderer );
607 mPlacementActor.Reset();
611 void ImageVisual::DoSetOffStage( Actor& actor )
613 //If we own the image then make sure we release it when we go off stage
614 if( !mImageUrl.empty() )
616 actor.RemoveRenderer( mImpl->mRenderer );
617 CleanCache(mImageUrl);
622 actor.RemoveRenderer( mImpl->mRenderer );
623 mImpl->mRenderer.Reset();
625 mPlacementActor.Reset();
628 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
631 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE );
633 bool sync = IsSynchronousResourceLoading();
634 map.Insert( SYNCHRONOUS_LOADING, sync );
635 if( !mImageUrl.empty() )
637 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
638 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
639 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
643 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
644 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
646 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
649 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
653 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
654 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
656 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
657 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
658 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
661 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
666 if( defaultTextureWrapping )
668 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
671 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
672 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
677 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
680 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
681 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
687 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
690 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
691 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
694 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
698 void ImageVisual::SetImage( Actor& actor, const std::string& imageUrl, ImageDimensions size, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode )
700 if( mImageUrl != imageUrl )
702 std::string oldImageUrl = mImageUrl;
703 mImageUrl = imageUrl;
705 mFittingMode = fittingMode;
706 mSamplingMode = samplingMode;
709 if( IsSynchronousResourceLoading() )
711 DoSynchronousResourceLoading();
714 if( mImpl->mRenderer )
716 if( GetIsFromCache() ) // if renderer is from cache, remove the old one
718 //remove old renderer
721 actor.RemoveRenderer( mImpl->mRenderer );
725 if( !oldImageUrl.empty() )
727 CleanCache(oldImageUrl);
730 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
735 else // if renderer is not from cache, reuse the same renderer and only change the texture
737 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
738 ApplyImageToSampler( image );
744 void ImageVisual::SetImage( Actor& actor, const Image& image )
746 if( mImage != image )
748 NativeImage newNativeImage = NativeImage::DownCast( image );
749 bool newRendererFlag = true;
751 if( newNativeImage && !mNativeImageFlag )
753 SetNativeFragmentShaderCode( newNativeImage );
756 if( ( newNativeImage && mNativeImageFlag ) || ( !newNativeImage && !mNativeImageFlag ) )
758 newRendererFlag = false;
763 mNativeImageFlag = true;
767 mNativeFragmentShaderCode.clear();
768 mNativeImageFlag = false;
773 if( mImpl->mRenderer )
775 // if renderer is from cache, remove the old one, and create new renderer
776 if( GetIsFromCache() )
778 //remove old renderer
781 actor.RemoveRenderer( mImpl->mRenderer );
785 if( !mImageUrl.empty() )
787 CleanCache(mImageUrl);
791 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
796 // if input image is nativeImage and mImage is regular image or the reverse, remove the old one, and create new renderer
797 else if( newRendererFlag )
799 //remove old renderer
802 actor.RemoveRenderer( mImpl->mRenderer );
805 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
810 else // if renderer is not from cache, reuse the same renderer and only change the texture
812 ApplyImageToSampler( image );
817 mDesiredSize = ImageDimensions();
818 mFittingMode = FittingMode::DEFAULT;
819 mSamplingMode = SamplingMode::DEFAULT;
823 void ImageVisual::ApplyImageToSampler( const Image& image )
827 TextureSet textureSet = mImpl->mRenderer.GetTextures();
830 textureSet = TextureSet::New();
831 mImpl->mRenderer.SetTextures( textureSet );
833 TextureSetImage( textureSet, 0u, image );
834 Sampler sampler = Sampler::New();
835 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
836 textureSet.SetSampler( 0u, sampler );
840 void ImageVisual::OnImageLoaded( ResourceImage image )
842 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
844 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
845 if( mImpl->mRenderer )
847 ApplyImageToSampler( brokenImage );
852 void ImageVisual::CleanCache(const std::string& url)
854 TextureSet textureSet = mImpl->mRenderer.GetTextures();
856 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
857 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
858 if( index != Property::INVALID_INDEX )
860 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
861 atlasRectValue.Get( atlasRect );
864 mImpl->mRenderer.Reset();
865 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
867 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
871 void ImageVisual::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
873 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
874 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
878 mNativeFragmentShaderCode = fragmentPreFix;
879 mNativeFragmentShaderCode += "\n";
882 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
884 mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
888 mNativeFragmentShaderCode += FRAGMENT_SHADER_NO_ATLAS;
891 if( customSamplerTypename )
893 mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
897 } // namespace Internal
899 } // namespace Toolkit