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 = mix( uAtlasRect.xy, uAtlasRect.zw, clamp( vTexCoord, 0.0, 1.0 ) );\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 float coordinate, lowp float wrap )\n
152 if( abs(wrap-2.0) < 0.5 )\n // REFLECT
153 return 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
154 else \n// warp == 0 or 1
155 return mix( clamp( coordinate, 0.0, 1.0 ), fract( coordinate ), wrap);\n
159 mediump vec2 texCoord = mix( uAtlasRect.xy, uAtlasRect.zw,
160 vec2( wrapCoordinate( vTexCoord.x, wrapMode.x ), wrapCoordinate( vTexCoord.y, wrapMode.y ) ) );\n
161 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
165 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
169 if( gridSize == ImageDimensions( 1, 1 ) )
171 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
174 geometry = VisualFactoryCache::CreateQuadGeometry();
175 factoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
180 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
186 } //unnamed namespace
188 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache )
189 : Visual::Base( factoryCache ),
190 mPixelArea( FULL_TEXTURE_RECT ),
192 mFittingMode( FittingMode::DEFAULT ),
193 mSamplingMode( SamplingMode::DEFAULT ),
194 mWrapModeU( WrapMode::DEFAULT ),
195 mWrapModeV( WrapMode::DEFAULT ),
196 mNativeFragmentShaderCode( ),
197 mNativeImageFlag( false )
201 ImageVisual::~ImageVisual()
205 void ImageVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
207 std::string oldImageUrl = mImageUrl;
209 Property::Value* imageURLValue = propertyMap.Find( Toolkit::ImageVisual::Property::URL, IMAGE_URL_NAME );
212 imageURLValue->Get( mImageUrl );
213 if( !mImageUrl.empty() )
218 Property::Value* fittingValue = propertyMap.Find( Toolkit::ImageVisual::Property::FITTING_MODE, IMAGE_FITTING_MODE );
221 Scripting::GetEnumerationProperty( *fittingValue, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, mFittingMode );
224 Property::Value* samplingValue = propertyMap.Find( Toolkit::ImageVisual::Property::SAMPLING_MODE, IMAGE_SAMPLING_MODE );
227 Scripting::GetEnumerationProperty( *samplingValue, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, mSamplingMode );
230 int desiredWidth = 0;
231 Property::Value* desiredWidthValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_WIDTH, IMAGE_DESIRED_WIDTH );
232 if( desiredWidthValue )
234 desiredWidthValue->Get( desiredWidth );
237 int desiredHeight = 0;
238 Property::Value* desiredHeightValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, IMAGE_DESIRED_HEIGHT );
239 if( desiredHeightValue )
241 desiredHeightValue->Get( desiredHeight );
244 Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
247 pixelAreaValue->Get( mPixelArea );
250 Property::Value* wrapModeValueU = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_U, IMAGE_WRAP_MODE_U );
253 Scripting::GetEnumerationProperty( *wrapModeValueU, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, mWrapModeU );
256 Property::Value* wrapModeValueV = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_V, IMAGE_WRAP_MODE_V );
259 Scripting::GetEnumerationProperty( *wrapModeValueV, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, mWrapModeV );
262 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
265 Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
269 syncLoading->Get( sync );
272 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
276 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
280 // if sync loading is required, the loading should start immediately when new image url is set or the actor is off stage
281 // ( for on-stage actor with image url unchanged, resource loading is already finished)
282 if( ( !mImpl->mRenderer || imageURLValue) && IsSynchronousResourceLoading() )
284 DoSynchronousResourceLoading();
287 // remove old renderer if exit
288 if( mImpl->mRenderer )
290 if( actor ) //remove old renderer from actor
292 actor.RemoveRenderer( mImpl->mRenderer );
294 if( !oldImageUrl.empty() ) //clean old renderer from cache
296 CleanCache( oldImageUrl );
300 NativeImage nativeImage = NativeImage::DownCast( mImage );
304 SetNativeFragmentShaderCode( nativeImage );
307 // if actor is on stage, create new renderer and apply to actor
308 if( actor && actor.OnStage() )
314 void ImageVisual::GetNaturalSize( Vector2& naturalSize ) const
318 naturalSize.x = mImage.GetWidth();
319 naturalSize.y = mImage.GetHeight();
322 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
324 naturalSize.x = mDesiredSize.GetWidth();
325 naturalSize.y = mDesiredSize.GetHeight();
328 else if( !mImageUrl.empty() )
330 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
331 naturalSize.x = dimentions.GetWidth();
332 naturalSize.y = dimentions.GetHeight();
336 naturalSize = Vector2::ZERO;
339 Renderer ImageVisual::CreateRenderer() const
344 // If mImage is nativeImage with custom sampler or prefix, mNativeFragmentShaderCode will be applied.
345 // Renderer can't be shared between NativeImage and other image types.
346 if( !mNativeFragmentShaderCode.empty() )
348 return CreateNativeImageRenderer();
351 if( !mImpl->mCustomShader )
353 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
355 shader = GetImageShader( mFactoryCache,
356 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
357 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
361 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
362 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
364 shader = GetImageShader(mFactoryCache, false, true);
368 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
369 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
370 mImpl->mCustomShader->mHints );
371 if( mImpl->mCustomShader->mVertexShader.empty() )
373 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
378 Renderer renderer = Renderer::New( geometry, shader );
383 Renderer ImageVisual::CreateNativeImageRenderer() const
388 if( !mImpl->mCustomShader )
390 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
392 shader = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
393 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
397 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
398 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
399 mNativeFragmentShaderCode,
400 mImpl->mCustomShader->mHints );
401 if( mImpl->mCustomShader->mVertexShader.empty() )
403 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
407 TextureSet textureSet = TextureSet::New();
408 Renderer renderer = Renderer::New( geometry, shader );
409 renderer.SetTextures( textureSet );
414 bool ImageVisual::IsSynchronousResourceLoading() const
416 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
419 void ImageVisual::DoSynchronousResourceLoading()
421 if( !mImageUrl.empty() )
423 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
425 mPixels = loader.GetPixelData();
429 Image ImageVisual::LoadImage( const std::string& url, bool synchronousLoading )
431 if( synchronousLoading )
436 return VisualFactoryCache::GetBrokenVisualImage();
438 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
439 image.Upload( mPixels, 0, 0 );
444 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
445 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
446 return resourceImage;
450 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading )
452 TextureSet textureSet;
453 textureRect = FULL_TEXTURE_RECT;
454 if( synchronousLoading )
459 textureSet = TextureSet::New();
460 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
464 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
465 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
466 if( !textureSet ) // big image, no atlasing
468 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
469 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
470 image.Upload( mPixels, 0, 0 );
471 textureSet = TextureSet::New();
472 TextureSetImage( textureSet, 0u, image );
478 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, mSamplingMode );
479 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
480 if( !textureSet ) // big image, no atlasing
482 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
483 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
484 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
485 textureSet = TextureSet::New();
486 TextureSetImage( textureSet, 0u, resourceImage );
490 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
492 Sampler sampler = Sampler::New();
493 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
494 textureSet.SetSampler( 0u, sampler );
500 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
502 if( imageUrl.empty() )
507 mImageUrl = imageUrl;
508 mImpl->mRenderer.Reset();
510 if( !mImpl->mCustomShader &&
511 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // ignore remote images
512 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
514 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
515 bool cacheable = defaultWrapMode && mPixelArea == FULL_TEXTURE_RECT;
517 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
518 if( cacheable ) // fetch the renderer from cache if exist
520 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
521 mImpl->mFlags |= Impl::IS_FROM_CACHE;
524 if( !mImpl->mRenderer ) // new renderer is needed
527 TextureSet textureSet = CreateTextureSet(atlasRect, imageUrl, IsSynchronousResourceLoading() );
528 Geometry geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
529 Shader shader( GetImageShader(mFactoryCache, mImpl->mFlags & Impl::IS_ATLASING_APPLIED, defaultWrapMode) );
530 mImpl->mRenderer = Renderer::New( geometry, shader );
531 mImpl->mRenderer.SetTextures( textureSet );
533 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
535 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
536 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
538 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
539 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
540 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
544 // save the renderer to cache only when default wrap mode and default pixel area is used
547 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
553 // for custom shader or remote image, renderer is not cached and atlas is not applied
554 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
555 mImpl->mRenderer = CreateRenderer();
556 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
557 ApplyImageToSampler( image );
561 void ImageVisual::InitializeRenderer( const Image& image )
563 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
565 mImpl->mRenderer = CreateRenderer();
569 ApplyImageToSampler( image );
573 void ImageVisual::DoSetOnStage( Actor& actor )
575 if( !mImageUrl.empty() )
577 InitializeRenderer( mImageUrl );
581 InitializeRenderer( mImage );
584 if( mPixelArea != FULL_TEXTURE_RECT )
586 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
590 void ImageVisual::DoSetOffStage( Actor& actor )
592 //If we own the image then make sure we release it when we go off stage
593 if( !mImageUrl.empty() )
595 actor.RemoveRenderer( mImpl->mRenderer );
596 CleanCache(mImageUrl);
601 actor.RemoveRenderer( mImpl->mRenderer );
602 mImpl->mRenderer.Reset();
606 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
609 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE );
611 bool sync = IsSynchronousResourceLoading();
612 map.Insert( SYNCHRONOUS_LOADING, sync );
613 if( !mImageUrl.empty() )
615 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
616 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
617 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
621 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
622 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
624 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
627 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
631 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
632 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
634 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
635 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
636 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
639 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
644 if( defaultTextureWrapping )
646 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
649 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
650 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
655 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
658 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
659 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
665 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
668 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
669 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
672 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
676 void ImageVisual::SetImage( Actor& actor, const std::string& imageUrl, ImageDimensions size, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode )
678 if( mImageUrl != imageUrl )
680 std::string oldImageUrl = mImageUrl;
681 mImageUrl = imageUrl;
683 mFittingMode = fittingMode;
684 mSamplingMode = samplingMode;
687 if( IsSynchronousResourceLoading() )
689 DoSynchronousResourceLoading();
692 if( mImpl->mRenderer )
694 if( GetIsFromCache() ) // if renderer is from cache, remove the old one
696 //remove old renderer
699 actor.RemoveRenderer( mImpl->mRenderer );
703 if( !oldImageUrl.empty() )
705 CleanCache(oldImageUrl);
708 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
713 else // if renderer is not from cache, reuse the same renderer and only change the texture
715 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
716 ApplyImageToSampler( image );
722 void ImageVisual::SetImage( Actor& actor, const Image& image )
724 if( mImage != image )
726 NativeImage newNativeImage = NativeImage::DownCast( image );
727 bool newRendererFlag = true;
729 if( newNativeImage && !mNativeImageFlag )
731 SetNativeFragmentShaderCode( newNativeImage );
734 if( ( newNativeImage && mNativeImageFlag ) || ( !newNativeImage && !mNativeImageFlag ) )
736 newRendererFlag = false;
741 mNativeImageFlag = true;
745 mNativeFragmentShaderCode.clear();
746 mNativeImageFlag = false;
751 if( mImpl->mRenderer )
753 // if renderer is from cache, remove the old one, and create new renderer
754 if( GetIsFromCache() )
756 //remove old renderer
759 actor.RemoveRenderer( mImpl->mRenderer );
763 if( !mImageUrl.empty() )
765 CleanCache(mImageUrl);
769 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
774 // if input image is nativeImage and mImage is regular image or the reverse, remove the old one, and create new renderer
775 else if( newRendererFlag )
777 //remove old renderer
780 actor.RemoveRenderer( mImpl->mRenderer );
783 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
788 else // if renderer is not from cache, reuse the same renderer and only change the texture
790 ApplyImageToSampler( image );
795 mDesiredSize = ImageDimensions();
796 mFittingMode = FittingMode::DEFAULT;
797 mSamplingMode = SamplingMode::DEFAULT;
801 void ImageVisual::ApplyImageToSampler( const Image& image )
805 TextureSet textureSet = mImpl->mRenderer.GetTextures();
808 textureSet = TextureSet::New();
809 mImpl->mRenderer.SetTextures( textureSet );
811 TextureSetImage( textureSet, 0u, image );
812 Sampler sampler = Sampler::New();
813 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
814 textureSet.SetSampler( 0u, sampler );
818 void ImageVisual::OnImageLoaded( ResourceImage image )
820 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
822 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
823 if( mImpl->mRenderer )
825 ApplyImageToSampler( brokenImage );
830 void ImageVisual::CleanCache(const std::string& url)
832 TextureSet textureSet = mImpl->mRenderer.GetTextures();
834 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
835 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
836 if( index != Property::INVALID_INDEX )
838 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
839 atlasRectValue.Get( atlasRect );
842 mImpl->mRenderer.Reset();
843 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
845 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
849 void ImageVisual::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
851 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
852 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
856 mNativeFragmentShaderCode = fragmentPreFix;
857 mNativeFragmentShaderCode += "\n";
860 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
862 mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
866 mNativeFragmentShaderCode += FRAGMENT_SHADER_NO_ATLAS;
869 if( customSamplerTypename )
871 mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
875 } // namespace Internal
877 } // namespace Toolkit