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 <dali-toolkit/internal/visuals/image/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/texture-set-image.h>
26 #include <dali/devel-api/adaptor-framework/bitmap-loader.h>
27 #include <dali/devel-api/scripting/enum-helper.h>
28 #include <dali/devel-api/scripting/scripting.h>
29 #include <dali/integration-api/debug.h>
32 #include <dali-toolkit/public-api/visuals/image-visual-properties.h>
33 #include <dali-toolkit/devel-api/visuals/visual-properties-devel.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 SYNCHRONOUS_LOADING( "synchronousLoading" );
61 const char * const BATCHING_ENABLED( "batchingEnabled" );
64 DALI_ENUM_TO_STRING_TABLE_BEGIN( FITTING_MODE )
65 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SHRINK_TO_FIT )
66 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SCALE_TO_FILL )
67 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_WIDTH )
68 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_HEIGHT )
69 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, DEFAULT )
70 DALI_ENUM_TO_STRING_TABLE_END( FITTING_MODE )
73 DALI_ENUM_TO_STRING_TABLE_BEGIN( SAMPLING_MODE )
74 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX )
75 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NEAREST )
76 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, LINEAR )
77 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_NEAREST )
78 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_LINEAR )
79 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NO_FILTER )
80 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, DONT_CARE )
81 DALI_ENUM_TO_STRING_TABLE_END( SAMPLING_MODE )
84 DALI_ENUM_TO_STRING_TABLE_BEGIN( WRAP_MODE )
85 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, DEFAULT )
86 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, CLAMP_TO_EDGE )
87 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, REPEAT )
88 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, MIRRORED_REPEAT )
89 DALI_ENUM_TO_STRING_TABLE_END( WRAP_MODE )
91 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
93 const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
95 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
96 attribute mediump vec2 aPosition;\n
97 uniform mediump mat4 uMvpMatrix;\n
98 uniform mediump vec3 uSize;\n
99 uniform mediump vec4 pixelArea;
100 varying mediump vec2 vTexCoord;\n
103 //Visual size and offset
104 uniform mediump vec2 offset;\n
105 uniform mediump vec2 size;\n
106 uniform mediump vec4 offsetSizeMode;\n
107 uniform mediump vec2 origin;\n
108 uniform mediump vec2 anchorPoint;\n
110 vec4 ComputeVertexPosition()\n
112 vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
113 vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
114 return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n
119 mediump vec4 vertexPosition = uMvpMatrix * ComputeVertexPosition();\n
120 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
121 gl_Position = vertexPosition;\n
125 const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
126 varying mediump vec2 vTexCoord;\n
127 uniform sampler2D sTexture;\n
128 uniform lowp vec4 uColor;\n
129 uniform lowp vec4 mixColor;\n
130 uniform lowp float preMultipliedAlpha;\n
132 lowp vec4 visualMixColor()\n
134 return vec4( mixColor.rgb * mix( 1.0, mixColor.a, preMultipliedAlpha ), mixColor.a );\n
138 gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * visualMixColor();\n
142 const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
143 varying mediump vec2 vTexCoord;\n
144 uniform sampler2D sTexture;\n
145 uniform mediump vec4 uAtlasRect;\n
146 uniform lowp vec4 uColor;\n
147 uniform lowp vec4 mixColor;\n
148 uniform lowp float preMultipliedAlpha;\n
150 lowp vec4 visualMixColor()\n
152 return vec4( mixColor.rgb * mix( 1.0, mixColor.a, preMultipliedAlpha ), mixColor.a );\n
157 mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
158 gl_FragColor = texture2D( sTexture, texCoord ) * uColor * visualMixColor();\n
162 const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
163 varying mediump vec2 vTexCoord;\n
164 uniform sampler2D sTexture;\n
165 uniform mediump vec4 uAtlasRect;\n
166 // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
167 uniform lowp vec2 wrapMode;\n
168 uniform lowp vec4 uColor;\n
169 uniform lowp vec4 mixColor;\n
170 uniform lowp float preMultipliedAlpha;\n
172 mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
174 mediump float coord;\n
175 if( wrap > 1.5 )\n // REFLECT
176 coord = 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
177 else \n// warp == 0 or 1
178 coord = mix(coordinate, fract( coordinate ), wrap);\n
179 return clamp( mix(range.x, range.y, coord), range.x, range.y );
182 lowp vec4 visualMixColor()\n
184 return vec4( mixColor.rgb * mix( 1.0, mixColor.a, preMultipliedAlpha ), mixColor.a );\n
189 mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),
190 wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n
191 gl_FragColor = texture2D( sTexture, texCoord ) * uColor * visualMixColor();\n
195 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
199 if( gridSize == ImageDimensions( 1, 1 ) )
201 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
205 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
211 } // unnamed namespace
213 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
214 const std::string& imageUrl,
215 const Property::Map& properties,
216 ImageDimensions size,
217 FittingMode::Type fittingMode,
218 Dali::SamplingMode::Type samplingMode )
220 ImageVisualPtr imageVisualPtr( new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode ) );
221 imageVisualPtr->SetProperties( properties );
222 return imageVisualPtr;
225 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
226 const std::string& imageUrl,
227 ImageDimensions size,
228 FittingMode::Type fittingMode,
229 Dali::SamplingMode::Type samplingMode )
231 return new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode );
234 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache, const Image& image )
236 return new ImageVisual( factoryCache, image );
239 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
240 const std::string& imageUrl,
241 ImageDimensions size,
242 FittingMode::Type fittingMode,
243 Dali::SamplingMode::Type samplingMode )
244 : Visual::Base( factoryCache ),
247 mPixelArea( FULL_TEXTURE_RECT ),
249 mImageUrl( imageUrl ),
250 mDesiredSize( size ),
251 mFittingMode( fittingMode ),
252 mSamplingMode( samplingMode ),
253 mWrapModeU( WrapMode::DEFAULT ),
254 mWrapModeV( WrapMode::DEFAULT )
258 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
259 : Visual::Base( factoryCache ),
262 mPixelArea( FULL_TEXTURE_RECT ),
266 mFittingMode( FittingMode::DEFAULT ),
267 mSamplingMode( SamplingMode::DEFAULT ),
268 mWrapModeU( WrapMode::DEFAULT ),
269 mWrapModeV( WrapMode::DEFAULT )
273 ImageVisual::~ImageVisual()
277 void ImageVisual::DoSetProperties( const Property::Map& propertyMap )
279 // Url is already received in constructor
280 for( Property::Map::SizeType iter = 0; iter < propertyMap.Count(); ++iter )
282 KeyValuePair keyValue = propertyMap.GetKeyValue( iter );
283 if( keyValue.first.type == Property::Key::INDEX )
285 DoSetProperty( keyValue.first.indexKey, keyValue.second );
289 if( keyValue.first == IMAGE_FITTING_MODE )
291 DoSetProperty( Toolkit::ImageVisual::Property::FITTING_MODE, keyValue.second );
293 else if( keyValue.first == IMAGE_SAMPLING_MODE )
295 DoSetProperty( Toolkit::ImageVisual::Property::SAMPLING_MODE, keyValue.second );
297 else if( keyValue.first == IMAGE_DESIRED_WIDTH )
299 DoSetProperty( Toolkit::ImageVisual::Property::DESIRED_WIDTH, keyValue.second );
301 else if( keyValue.first == IMAGE_DESIRED_HEIGHT )
303 DoSetProperty( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, keyValue.second );
305 else if( keyValue.first == PIXEL_AREA_UNIFORM_NAME )
307 DoSetProperty( Toolkit::ImageVisual::Property::PIXEL_AREA, keyValue.second );
309 else if( keyValue.first == IMAGE_WRAP_MODE_U )
311 DoSetProperty( Toolkit::ImageVisual::Property::WRAP_MODE_U, keyValue.second );
313 else if( keyValue.first == IMAGE_WRAP_MODE_V )
315 DoSetProperty( Toolkit::ImageVisual::Property::WRAP_MODE_V, keyValue.second );
317 else if( keyValue.first == SYNCHRONOUS_LOADING )
319 DoSetProperty( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, keyValue.second );
324 if( mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING && mImageUrl.size() > 0u )
326 // if sync loading is required, the loading should start
327 // immediately when new image url is set or the actor is off stage
328 // ( for on-stage actor with image url unchanged, resource loading
329 // is already finished )
330 LoadResourceSynchronously();
334 void ImageVisual::DoSetProperty( Property::Index index, const Property::Value& value )
338 case Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING:
341 if( value.Get( sync ) )
345 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
349 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
354 DALI_LOG_ERROR("ImageVisual: synchronousLoading property has incorrect type\n");
359 case Toolkit::ImageVisual::Property::DESIRED_WIDTH:
362 if( value.Get( desiredWidth ) )
364 mDesiredSize.SetWidth( desiredWidth );
368 DALI_LOG_ERROR("ImageVisual: desiredWidth property has incorrect type\n");
373 case Toolkit::ImageVisual::Property::DESIRED_HEIGHT:
376 if( value.Get( desiredHeight ) )
378 mDesiredSize.SetHeight( desiredHeight );
382 DALI_LOG_ERROR("ImageVisual: desiredHeight property has incorrect type\n");
387 case Toolkit::ImageVisual::Property::FITTING_MODE:
390 Scripting::GetEnumerationProperty( value, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, fittingMode );
391 mFittingMode = Dali::FittingMode::Type( fittingMode );
395 case Toolkit::ImageVisual::Property::SAMPLING_MODE:
398 Scripting::GetEnumerationProperty( value, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, samplingMode );
399 mSamplingMode = Dali::SamplingMode::Type( samplingMode );
403 case Toolkit::ImageVisual::Property::PIXEL_AREA:
405 value.Get( mPixelArea );
409 case Toolkit::ImageVisual::Property::WRAP_MODE_U:
412 Scripting::GetEnumerationProperty( value, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, wrapMode );
413 mWrapModeU = Dali::WrapMode::Type( wrapMode );
417 case Toolkit::ImageVisual::Property::WRAP_MODE_V:
420 Scripting::GetEnumerationProperty( value, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, wrapMode );
421 mWrapModeV = Dali::WrapMode::Type( wrapMode );
427 void ImageVisual::GetNaturalSize( Vector2& naturalSize )
431 naturalSize.x = mImage.GetWidth();
432 naturalSize.y = mImage.GetHeight();
435 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
437 naturalSize.x = mDesiredSize.GetWidth();
438 naturalSize.y = mDesiredSize.GetHeight();
441 else if( !mImageUrl.empty() )
443 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
444 naturalSize.x = dimentions.GetWidth();
445 naturalSize.y = dimentions.GetHeight();
449 naturalSize = Vector2::ZERO;
452 void ImageVisual::CreateRenderer( TextureSet& textures )
457 if( !mImpl->mCustomShader )
459 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
461 shader = GetImageShader( mFactoryCache,
462 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
463 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
467 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
468 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
470 shader = GetImageShader( mFactoryCache, false, true );
474 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
475 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
476 mImpl->mCustomShader->mHints );
477 if( mImpl->mCustomShader->mVertexShader.empty() )
479 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
484 mImpl->mRenderer = Renderer::New( geometry, shader );
485 DALI_ASSERT_DEBUG( textures );
486 mImpl->mRenderer.SetTextures( textures );
488 //Register transform properties
489 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
492 void ImageVisual::CreateNativeImageRenderer( NativeImage& nativeImage )
497 std::string fragmentShader;
498 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
499 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
502 fragmentShader = fragmentPreFix;
503 fragmentShader += "\n";
505 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
507 fragmentShader += mImpl->mCustomShader->mFragmentShader;
511 fragmentShader += FRAGMENT_SHADER_NO_ATLAS;
513 if( customSamplerTypename )
515 fragmentShader.replace( fragmentShader.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
518 if( !mImpl->mCustomShader )
520 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
522 shader = Shader::New( VERTEX_SHADER, fragmentShader );
523 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
527 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
528 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
530 mImpl->mCustomShader->mHints );
531 if( mImpl->mCustomShader->mVertexShader.empty() )
533 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
537 mImpl->mRenderer = Renderer::New( geometry, shader );
539 //Register transform properties
540 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
544 bool ImageVisual::IsSynchronousResourceLoading() const
546 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
549 void ImageVisual::LoadResourceSynchronously()
551 if( !mImageUrl.empty() )
553 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
555 mPixels = loader.GetPixelData();
559 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading, bool attemptAtlasing )
561 TextureSet textureSet;
562 textureRect = FULL_TEXTURE_RECT;
563 if( synchronousLoading )
568 textureSet = TextureSet::New();
569 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
573 if( attemptAtlasing )
575 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
576 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
578 if( !textureSet ) // big image, no atlasing or atlasing failed
580 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
581 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, mPixels.GetPixelFormat(),
582 mPixels.GetWidth(), mPixels.GetHeight() );
583 texture.Upload( mPixels );
584 textureSet = TextureSet::New();
585 textureSet.SetTexture( 0u, texture );
591 if( attemptAtlasing )
593 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
594 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
596 if( !textureSet ) // big image, no atlasing or atlasing failed
598 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
599 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
600 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
601 textureSet = TextureSet::New();
602 TextureSetImage( textureSet, 0u, resourceImage );
606 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
608 Sampler sampler = Sampler::New();
609 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
610 textureSet.SetSampler( 0u, sampler );
615 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
617 mImageUrl = imageUrl;
618 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
620 if( !mImpl->mCustomShader &&
621 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // dont atlas remote images
622 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
624 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
625 bool defaultTransform = mImpl->mTransform.mSize == Vector2::ONE &&
626 mImpl->mTransform.mOffset == Vector2::ZERO &&
627 mImpl->mTransform.mOffsetSizeMode == Vector4::ZERO &&
628 mImpl->mTransform.mOrigin == Toolkit::Align::CENTER &&
629 mImpl->mTransform.mAnchorPoint == Toolkit::Align::CENTER;
631 bool cacheable = defaultWrapMode && defaultTransform && mPixelArea == FULL_TEXTURE_RECT;
634 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
635 if( cacheable ) // fetch the renderer from cache if exist
637 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
638 mImpl->mFlags |= Impl::IS_FROM_CACHE;
641 if( !mImpl->mRenderer ) // new renderer is needed
644 // texture set has to be created first as we need to know if atlasing succeeded or not
645 // when selecting the shader
646 TextureSet textures = CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), true );
647 CreateRenderer( textures );
649 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
651 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
652 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
654 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
655 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
656 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
660 // save the renderer to cache only when default wrap mode and default pixel area is used
663 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
669 // for custom shader or remote image, renderer is not cached and atlas is not applied
670 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
671 Vector4 atlasRect; // ignored in this case
672 TextureSet textures = CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), false );
673 CreateRenderer( textures );
677 void ImageVisual::InitializeRenderer( const Image& image )
679 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
681 // don't reuse CreateTextureSet
682 TextureSet textures = TextureSet::New();
683 // Renderer can't be shared if mImage is NativeImage
684 NativeImage nativeImage = NativeImage::DownCast( image );
687 CreateNativeImageRenderer( nativeImage );
688 DALI_ASSERT_DEBUG( textures );
689 mImpl->mRenderer.SetTextures( textures );
693 // reuse existing code for regular images
694 CreateRenderer( textures );
696 ApplyImageToSampler( image );
699 void ImageVisual::UploadCompleted()
701 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
702 Actor actor = mPlacementActor.GetHandle();
705 actor.AddRenderer( mImpl->mRenderer );
706 // reset the weak handle so that the renderer only get added to actor once
707 mPlacementActor.Reset();
711 void ImageVisual::DoSetOnStage( Actor& actor )
713 if( !mImageUrl.empty() )
715 InitializeRenderer( mImageUrl );
719 InitializeRenderer( mImage );
722 if ( !mImpl->mRenderer )
727 mPlacementActor = actor;
729 if( mPixelArea != FULL_TEXTURE_RECT )
731 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
734 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
736 actor.AddRenderer( mImpl->mRenderer );
737 mPlacementActor.Reset();
741 void ImageVisual::DoSetOffStage( Actor& actor )
743 // Visual::Base::SetOffStage only calls DoSetOffStage if mRenderer exists (is on onstage)
745 //If we own the image then make sure we release it when we go off stage
746 actor.RemoveRenderer( mImpl->mRenderer);
747 if( !mImageUrl.empty() )
749 CleanCache(mImageUrl);
753 mImpl->mRenderer.Reset();
754 mPlacementActor.Reset();
757 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
760 map.Insert( Toolkit::DevelVisual::Property::TYPE, Toolkit::Visual::IMAGE );
762 bool sync = IsSynchronousResourceLoading();
763 map.Insert( SYNCHRONOUS_LOADING, sync );
764 if( !mImageUrl.empty() )
766 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
767 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
768 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
772 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
773 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
775 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
778 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
782 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
783 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
785 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
786 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
787 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
790 void ImageVisual::OnSetTransform()
792 if( mImpl->mRenderer )
794 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
798 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
803 if( defaultTextureWrapping )
805 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
808 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
809 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
810 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
815 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
818 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
819 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
820 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
826 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
829 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
830 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
831 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
838 void ImageVisual::ApplyImageToSampler( const Image& image )
842 TextureSet textureSet = mImpl->mRenderer.GetTextures();
843 DALI_ASSERT_DEBUG( textureSet ); // texture set should always exist by this time
845 TextureSetImage( textureSet, 0u, image );
846 Sampler sampler = Sampler::New();
847 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
848 textureSet.SetSampler( 0u, sampler );
852 void ImageVisual::OnImageLoaded( ResourceImage image )
854 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
856 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
857 if( mImpl->mRenderer )
859 ApplyImageToSampler( brokenImage );
864 void ImageVisual::CleanCache(const std::string& url)
868 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
869 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
870 if( index != Property::INVALID_INDEX )
872 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
873 atlasRectValue.Get( atlasRect );
876 TextureSet textureSet = mImpl->mRenderer.GetTextures();
877 mImpl->mRenderer.Reset();
878 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
880 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
885 } // namespace Internal
887 } // namespace Toolkit