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 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache )
193 return new ImageVisual( factoryCache );
196 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
197 const std::string& imageUrl,
198 ImageDimensions size,
199 FittingMode::Type fittingMode,
200 Dali::SamplingMode::Type samplingMode )
202 return new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode );
205 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache, const Image& image )
207 return new ImageVisual( factoryCache, image );
210 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache )
211 : Visual::Base( factoryCache ),
214 mPixelArea( FULL_TEXTURE_RECT ),
218 mFittingMode( FittingMode::DEFAULT ),
219 mSamplingMode( SamplingMode::DEFAULT ),
220 mWrapModeU( WrapMode::DEFAULT ),
221 mWrapModeV( WrapMode::DEFAULT ),
222 mNativeFragmentShaderCode(),
223 mNativeImageFlag( false )
227 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
228 const std::string& imageUrl,
229 ImageDimensions size,
230 FittingMode::Type fittingMode,
231 Dali::SamplingMode::Type samplingMode )
232 : Visual::Base( factoryCache ),
235 mPixelArea( FULL_TEXTURE_RECT ),
237 mImageUrl( imageUrl ),
238 mDesiredSize( size ),
239 mFittingMode( fittingMode ),
240 mSamplingMode( samplingMode ),
241 mWrapModeU( WrapMode::DEFAULT ),
242 mWrapModeV( WrapMode::DEFAULT ),
243 mNativeFragmentShaderCode(),
244 mNativeImageFlag( false )
248 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
249 : Visual::Base( factoryCache ),
252 mPixelArea( FULL_TEXTURE_RECT ),
256 mFittingMode( FittingMode::DEFAULT ),
257 mSamplingMode( SamplingMode::DEFAULT ),
258 mWrapModeU( WrapMode::DEFAULT ),
259 mWrapModeV( WrapMode::DEFAULT ),
260 mNativeFragmentShaderCode(),
261 mNativeImageFlag( false )
263 NativeImage newNativeImage = NativeImage::DownCast( image );
266 SetNativeFragmentShaderCode( newNativeImage );
267 mNativeImageFlag = true;
271 mNativeImageFlag = false;
275 ImageVisual::~ImageVisual()
279 void ImageVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
281 std::string oldImageUrl = mImageUrl;
283 Property::Value* imageURLValue = propertyMap.Find( Toolkit::ImageVisual::Property::URL, IMAGE_URL_NAME );
286 imageURLValue->Get( mImageUrl );
287 if( !mImageUrl.empty() )
292 Property::Value* fittingValue = propertyMap.Find( Toolkit::ImageVisual::Property::FITTING_MODE, IMAGE_FITTING_MODE );
295 Scripting::GetEnumerationProperty( *fittingValue, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, mFittingMode );
298 Property::Value* samplingValue = propertyMap.Find( Toolkit::ImageVisual::Property::SAMPLING_MODE, IMAGE_SAMPLING_MODE );
301 Scripting::GetEnumerationProperty( *samplingValue, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, mSamplingMode );
304 int desiredWidth = 0;
305 Property::Value* desiredWidthValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_WIDTH, IMAGE_DESIRED_WIDTH );
306 if( desiredWidthValue )
308 desiredWidthValue->Get( desiredWidth );
311 int desiredHeight = 0;
312 Property::Value* desiredHeightValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, IMAGE_DESIRED_HEIGHT );
313 if( desiredHeightValue )
315 desiredHeightValue->Get( desiredHeight );
318 Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
321 pixelAreaValue->Get( mPixelArea );
324 Property::Value* wrapModeValueU = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_U, IMAGE_WRAP_MODE_U );
327 Scripting::GetEnumerationProperty( *wrapModeValueU, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, mWrapModeU );
330 Property::Value* wrapModeValueV = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_V, IMAGE_WRAP_MODE_V );
333 Scripting::GetEnumerationProperty( *wrapModeValueV, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, mWrapModeV );
336 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
339 Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
343 syncLoading->Get( sync );
346 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
350 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
354 // if sync loading is required, the loading should start immediately when new image url is set or the actor is off stage
355 // ( for on-stage actor with image url unchanged, resource loading is already finished)
356 if( imageURLValue && IsSynchronousResourceLoading() )
358 LoadResourceSynchronously();
361 NativeImage nativeImage = NativeImage::DownCast( mImage );
365 SetNativeFragmentShaderCode( nativeImage );
368 // if actor is on stage, create new renderer and apply to actor
369 if( actor && actor.OnStage() )
375 void ImageVisual::GetNaturalSize( Vector2& naturalSize ) const
379 naturalSize.x = mImage.GetWidth();
380 naturalSize.y = mImage.GetHeight();
383 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
385 naturalSize.x = mDesiredSize.GetWidth();
386 naturalSize.y = mDesiredSize.GetHeight();
389 else if( !mImageUrl.empty() )
391 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
392 naturalSize.x = dimentions.GetWidth();
393 naturalSize.y = dimentions.GetHeight();
397 naturalSize = Vector2::ZERO;
400 Renderer ImageVisual::CreateRenderer() const
405 // If mImage is nativeImage with custom sampler or prefix, mNativeFragmentShaderCode will be applied.
406 // Renderer can't be shared between NativeImage and other image types.
407 if( !mNativeFragmentShaderCode.empty() )
409 return CreateNativeImageRenderer();
412 if( !mImpl->mCustomShader )
414 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
416 shader = GetImageShader( mFactoryCache,
417 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
418 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
422 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
423 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
425 shader = GetImageShader(mFactoryCache, false, true);
429 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
430 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
431 mImpl->mCustomShader->mHints );
432 if( mImpl->mCustomShader->mVertexShader.empty() )
434 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
439 Renderer renderer = Renderer::New( geometry, shader );
444 Renderer ImageVisual::CreateNativeImageRenderer() const
449 if( !mImpl->mCustomShader )
451 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
453 shader = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
454 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
458 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
459 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
460 mNativeFragmentShaderCode,
461 mImpl->mCustomShader->mHints );
462 if( mImpl->mCustomShader->mVertexShader.empty() )
464 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
468 TextureSet textureSet = TextureSet::New();
469 Renderer renderer = Renderer::New( geometry, shader );
470 renderer.SetTextures( textureSet );
475 bool ImageVisual::IsSynchronousResourceLoading() const
477 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
480 void ImageVisual::LoadResourceSynchronously()
482 if( !mImageUrl.empty() )
484 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
486 mPixels = loader.GetPixelData();
490 Image ImageVisual::LoadImage( const std::string& url, bool synchronousLoading )
492 if( synchronousLoading )
497 return VisualFactoryCache::GetBrokenVisualImage();
499 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
500 image.Upload( mPixels, 0, 0 );
505 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
506 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
507 return resourceImage;
511 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading )
513 TextureSet textureSet;
514 textureRect = FULL_TEXTURE_RECT;
515 if( synchronousLoading )
520 textureSet = TextureSet::New();
521 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
525 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
526 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
527 if( !textureSet ) // big image, no atlasing
529 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
530 Atlas image = Atlas::New( mPixels.GetWidth(), mPixels.GetHeight(), mPixels.GetPixelFormat() );
531 image.Upload( mPixels, 0, 0 );
532 textureSet = TextureSet::New();
533 TextureSetImage( textureSet, 0u, image );
539 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
540 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
541 if( !textureSet ) // big image, no atlasing
543 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
544 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
545 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
546 textureSet = TextureSet::New();
547 TextureSetImage( textureSet, 0u, resourceImage );
551 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
553 Sampler sampler = Sampler::New();
554 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
555 textureSet.SetSampler( 0u, sampler );
561 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
563 if( imageUrl.empty() )
568 mImageUrl = imageUrl;
569 mImpl->mRenderer.Reset();
570 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
572 if( !mImpl->mCustomShader &&
573 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // ignore remote images
574 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
576 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
577 bool cacheable = defaultWrapMode && mPixelArea == FULL_TEXTURE_RECT;
579 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
580 if( cacheable ) // fetch the renderer from cache if exist
582 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
583 mImpl->mFlags |= Impl::IS_FROM_CACHE;
586 if( !mImpl->mRenderer ) // new renderer is needed
589 TextureSet textureSet = CreateTextureSet(atlasRect, imageUrl, IsSynchronousResourceLoading() );
590 Geometry geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
591 Shader shader( GetImageShader(mFactoryCache, mImpl->mFlags & Impl::IS_ATLASING_APPLIED, defaultWrapMode) );
592 mImpl->mRenderer = Renderer::New( geometry, shader );
593 mImpl->mRenderer.SetTextures( textureSet );
595 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
597 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
598 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
600 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
601 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
602 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
606 // save the renderer to cache only when default wrap mode and default pixel area is used
609 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
615 // for custom shader or remote image, renderer is not cached and atlas is not applied
616 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
617 mImpl->mRenderer = CreateRenderer();
618 Image image = LoadImage( imageUrl, IsSynchronousResourceLoading() );
619 ApplyImageToSampler( image );
623 void ImageVisual::InitializeRenderer( const Image& image )
625 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
627 mImpl->mRenderer = CreateRenderer();
631 ApplyImageToSampler( image );
635 void ImageVisual::UploadCompleted()
637 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
638 Actor actor = mPlacementActor.GetHandle();
641 actor.AddRenderer( mImpl->mRenderer );
642 // reset the weak handle so that the renderer only get added to actor once
643 mPlacementActor.Reset();
647 void ImageVisual::DoSetOnStage( Actor& actor )
649 mPlacementActor = actor;
651 if( !mImageUrl.empty() )
653 InitializeRenderer( mImageUrl );
657 InitializeRenderer( mImage );
660 if( mPixelArea != FULL_TEXTURE_RECT )
662 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
665 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
667 actor.AddRenderer( mImpl->mRenderer );
668 mPlacementActor.Reset();
672 void ImageVisual::DoSetOffStage( Actor& actor )
674 //If we own the image then make sure we release it when we go off stage
675 if( !mImageUrl.empty() )
677 actor.RemoveRenderer( mImpl->mRenderer );
678 CleanCache(mImageUrl);
683 actor.RemoveRenderer( mImpl->mRenderer );
684 mImpl->mRenderer.Reset();
686 mPlacementActor.Reset();
689 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
692 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE );
694 bool sync = IsSynchronousResourceLoading();
695 map.Insert( SYNCHRONOUS_LOADING, sync );
696 if( !mImageUrl.empty() )
698 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
699 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
700 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
704 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
705 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
707 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
710 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
714 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
715 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
717 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
718 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
719 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
722 void ImageVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
727 Dali::Property::Value ImageVisual::DoGetProperty( Dali::Property::Index index )
730 return Dali::Property::Value();
733 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
738 if( defaultTextureWrapping )
740 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
743 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
744 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
749 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
752 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
753 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
759 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
762 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
763 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
766 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
770 void ImageVisual::ApplyImageToSampler( const Image& image )
774 TextureSet textureSet = mImpl->mRenderer.GetTextures();
777 textureSet = TextureSet::New();
778 mImpl->mRenderer.SetTextures( textureSet );
780 TextureSetImage( textureSet, 0u, image );
781 Sampler sampler = Sampler::New();
782 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
783 textureSet.SetSampler( 0u, sampler );
787 void ImageVisual::OnImageLoaded( ResourceImage image )
789 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
791 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
792 if( mImpl->mRenderer )
794 ApplyImageToSampler( brokenImage );
799 void ImageVisual::CleanCache(const std::string& url)
803 TextureSet textureSet = mImpl->mRenderer.GetTextures();
805 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
806 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
807 if( index != Property::INVALID_INDEX )
809 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
810 atlasRectValue.Get( atlasRect );
813 mImpl->mRenderer.Reset();
814 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
816 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
821 void ImageVisual::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
823 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
824 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
828 mNativeFragmentShaderCode = fragmentPreFix;
829 mNativeFragmentShaderCode += "\n";
832 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
834 mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
838 mNativeFragmentShaderCode += FRAGMENT_SHADER_NO_ATLAS;
841 if( customSamplerTypename )
843 mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
847 } // namespace Internal
849 } // namespace Toolkit