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/atlas.h>
26 #include <dali/devel-api/images/texture-set-image.h>
27 #include <dali/devel-api/adaptor-framework/bitmap-loader.h>
28 #include <dali/devel-api/scripting/enum-helper.h>
29 #include <dali/devel-api/scripting/scripting.h>
30 #include <dali/integration-api/debug.h>
33 #include <dali-toolkit/public-api/visuals/image-visual-properties.h>
34 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
35 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
36 #include <dali-toolkit/internal/visuals/visual-factory-cache.h>
37 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
38 #include <dali-toolkit/internal/visuals/image-atlas-manager.h>
39 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
52 const char HTTP_URL[] = "http://";
53 const char HTTPS_URL[] = "https://";
56 const char * const IMAGE_FITTING_MODE( "fittingMode" );
57 const char * const IMAGE_SAMPLING_MODE( "samplingMode" );
58 const char * const IMAGE_DESIRED_WIDTH( "desiredWidth" );
59 const char * const IMAGE_DESIRED_HEIGHT( "desiredHeight" );
60 const char * const IMAGE_WRAP_MODE_U("wrapModeU");
61 const char * const IMAGE_WRAP_MODE_V("wrapModeV");
62 const char * const SYNCHRONOUS_LOADING( "synchronousLoading" );
63 const char * const BATCHING_ENABLED( "batchingEnabled" );
66 DALI_ENUM_TO_STRING_TABLE_BEGIN( FITTING_MODE )
67 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SHRINK_TO_FIT )
68 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SCALE_TO_FILL )
69 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_WIDTH )
70 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_HEIGHT )
71 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, DEFAULT )
72 DALI_ENUM_TO_STRING_TABLE_END( FITTING_MODE )
75 DALI_ENUM_TO_STRING_TABLE_BEGIN( SAMPLING_MODE )
76 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX )
77 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NEAREST )
78 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, LINEAR )
79 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_NEAREST )
80 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_LINEAR )
81 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NO_FILTER )
82 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, DONT_CARE )
83 DALI_ENUM_TO_STRING_TABLE_END( SAMPLING_MODE )
86 DALI_ENUM_TO_STRING_TABLE_BEGIN( WRAP_MODE )
87 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, DEFAULT )
88 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, CLAMP_TO_EDGE )
89 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, REPEAT )
90 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, MIRRORED_REPEAT )
91 DALI_ENUM_TO_STRING_TABLE_END( WRAP_MODE )
93 const std::string PIXEL_AREA_UNIFORM_NAME = "pixelArea";
94 const std::string WRAP_MODE_UNIFORM_NAME = "wrapMode";
96 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
98 const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
100 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
101 attribute mediump vec2 aPosition;\n
102 uniform mediump mat4 uMvpMatrix;\n
103 uniform mediump vec3 uSize;\n
104 uniform mediump vec4 pixelArea;
105 varying mediump vec2 vTexCoord;\n
109 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
110 vertexPosition.xyz *= uSize;\n
111 vertexPosition = uMvpMatrix * vertexPosition;\n
113 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
114 gl_Position = vertexPosition;\n
118 const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
119 varying mediump vec2 vTexCoord;\n
120 uniform sampler2D sTexture;\n
121 uniform lowp vec4 uColor;\n
125 gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
129 const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
130 varying mediump vec2 vTexCoord;\n
131 uniform sampler2D sTexture;\n
132 uniform mediump vec4 uAtlasRect;\n
133 uniform lowp vec4 uColor;\n
137 mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
138 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
142 const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
143 varying mediump vec2 vTexCoord;\n
144 uniform sampler2D sTexture;\n
145 uniform mediump vec4 uAtlasRect;\n
146 // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
147 uniform lowp vec2 wrapMode;\n
148 uniform lowp vec4 uColor;\n
150 mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
152 mediump float coord;\n
153 if( wrap > 1.5 )\n // REFLECT
154 coord = 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
155 else \n// warp == 0 or 1
156 coord = mix(coordinate, fract( coordinate ), wrap);\n
157 return clamp( mix(range.x, range.y, coord), range.x, range.y );
162 mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),
163 wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n
164 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
168 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
172 if( gridSize == ImageDimensions( 1, 1 ) )
174 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
177 geometry = VisualFactoryCache::CreateQuadGeometry();
178 factoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
183 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
189 } //unnamed namespace
191 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache )
192 : Visual::Base( factoryCache ),
196 mPixelArea( FULL_TEXTURE_RECT ),
199 mNativeFragmentShaderCode(),
201 mFittingMode( FittingMode::DEFAULT ),
202 mSamplingMode( SamplingMode::DEFAULT ),
203 mWrapModeU( WrapMode::DEFAULT ),
204 mWrapModeV( WrapMode::DEFAULT ),
205 mNativeImageFlag( false )
209 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
210 const std::string& imageUrl,
211 ImageDimensions size,
212 FittingMode::Type fittingMode,
213 Dali::SamplingMode::Type samplingMode )
214 : Visual::Base( factoryCache ),
218 mPixelArea( FULL_TEXTURE_RECT ),
220 mImageUrl( imageUrl ),
221 mNativeFragmentShaderCode(),
222 mDesiredSize( size ),
223 mFittingMode( fittingMode ),
224 mSamplingMode( samplingMode ),
225 mWrapModeU( WrapMode::DEFAULT ),
226 mWrapModeV( WrapMode::DEFAULT ),
227 mNativeImageFlag( false )
231 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
232 : Visual::Base( factoryCache ),
235 mPixelArea( FULL_TEXTURE_RECT ),
238 mNativeFragmentShaderCode(),
240 mFittingMode( FittingMode::DEFAULT ),
241 mSamplingMode( SamplingMode::DEFAULT ),
242 mWrapModeU( WrapMode::DEFAULT ),
243 mWrapModeV( WrapMode::DEFAULT ),
244 mNativeImageFlag( false )
246 NativeImage newNativeImage = NativeImage::DownCast( image );
249 SetNativeFragmentShaderCode( newNativeImage );
250 mNativeImageFlag = true;
254 mNativeImageFlag = false;
258 ImageVisual::~ImageVisual()
262 void ImageVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
264 std::string oldImageUrl = mImageUrl;
266 Property::Value* imageURLValue = propertyMap.Find( Toolkit::ImageVisual::Property::URL, IMAGE_URL_NAME );
269 imageURLValue->Get( mImageUrl );
270 if( !mImageUrl.empty() )
275 Property::Value* fittingValue = propertyMap.Find( Toolkit::ImageVisual::Property::FITTING_MODE, IMAGE_FITTING_MODE );
279 Scripting::GetEnumerationProperty( *fittingValue, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, value );
280 mFittingMode = Dali::FittingMode::Type( value );
283 Property::Value* samplingValue = propertyMap.Find( Toolkit::ImageVisual::Property::SAMPLING_MODE, IMAGE_SAMPLING_MODE );
287 Scripting::GetEnumerationProperty( *samplingValue, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, value );
288 mSamplingMode = Dali::SamplingMode::Type( value );
291 int desiredWidth = 0;
292 Property::Value* desiredWidthValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_WIDTH, IMAGE_DESIRED_WIDTH );
293 if( desiredWidthValue )
295 desiredWidthValue->Get( desiredWidth );
298 int desiredHeight = 0;
299 Property::Value* desiredHeightValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, IMAGE_DESIRED_HEIGHT );
300 if( desiredHeightValue )
302 desiredHeightValue->Get( desiredHeight );
305 Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
308 pixelAreaValue->Get( mPixelArea );
311 Property::Value* wrapModeValueU = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_U, IMAGE_WRAP_MODE_U );
315 Scripting::GetEnumerationProperty( *wrapModeValueU, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, value );
316 mWrapModeU = Dali::WrapMode::Type( value );
319 Property::Value* wrapModeValueV = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_V, IMAGE_WRAP_MODE_V );
323 Scripting::GetEnumerationProperty( *wrapModeValueV, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, value );
324 mWrapModeV = Dali::WrapMode::Type( value );
327 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
330 Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
334 syncLoading->Get( sync );
337 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
341 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
345 // if sync loading is required, the loading should start immediately when new image url is set or the actor is off stage
346 // ( for on-stage actor with image url unchanged, resource loading is already finished)
347 if( imageURLValue && IsSynchronousResourceLoading() )
349 LoadResourceSynchronously();
352 NativeImage nativeImage = NativeImage::DownCast( mImage );
356 SetNativeFragmentShaderCode( nativeImage );
359 // if actor is on stage, create new renderer and apply to actor
360 if( actor && actor.OnStage() )
366 void ImageVisual::GetNaturalSize( Vector2& naturalSize ) const
370 naturalSize.x = mImage.GetWidth();
371 naturalSize.y = mImage.GetHeight();
374 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
376 naturalSize.x = mDesiredSize.GetWidth();
377 naturalSize.y = mDesiredSize.GetHeight();
380 else if( !mImageUrl.empty() )
382 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
383 naturalSize.x = dimentions.GetWidth();
384 naturalSize.y = dimentions.GetHeight();
388 naturalSize = Vector2::ZERO;
391 void ImageVisual::CreateRenderer()
396 // If mImage is nativeImage with custom sampler or prefix, mNativeFragmentShaderCode will be applied.
397 // Renderer can't be shared between NativeImage and other image types.
398 if( !mNativeFragmentShaderCode.empty() )
400 CreateNativeImageRenderer();
404 if( !mImpl->mCustomShader )
406 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
408 shader = GetImageShader( mFactoryCache,
409 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
410 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
414 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
415 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
417 shader = GetImageShader(mFactoryCache, false, true);
421 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
422 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
423 mImpl->mCustomShader->mHints );
424 if( mImpl->mCustomShader->mVertexShader.empty() )
426 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
431 mImpl->mRenderer = Renderer::New( geometry, shader );
432 // apply the texture set as well so it's only done in one place
433 DALI_ASSERT_DEBUG( mTextureSet );
434 mImpl->mRenderer.SetTextures( mTextureSet );
437 void ImageVisual::CreateNativeImageRenderer()
442 if( !mImpl->mCustomShader )
444 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
446 shader = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
447 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
451 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
452 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
453 mNativeFragmentShaderCode,
454 mImpl->mCustomShader->mHints );
455 if( mImpl->mCustomShader->mVertexShader.empty() )
457 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
461 mImpl->mRenderer = Renderer::New( geometry, shader );
462 // apply the texture set as well so it's only done in one place
463 DALI_ASSERT_DEBUG( mTextureSet );
464 mImpl->mRenderer.SetTextures( mTextureSet );
468 bool ImageVisual::IsSynchronousResourceLoading() const
470 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
473 void ImageVisual::LoadResourceSynchronously()
475 if( !mImageUrl.empty() )
477 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
479 mPixels = loader.GetPixelData();
483 void ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading, bool attemptAtlasing )
485 textureRect = FULL_TEXTURE_RECT;
486 if( synchronousLoading )
491 mTextureSet = TextureSet::New();
492 TextureSetImage( mTextureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
496 if( attemptAtlasing )
498 mTextureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
499 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
501 if( !mTextureSet ) // big image, no atlasing or atlasing failed
503 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
504 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, mPixels.GetPixelFormat(),
505 mPixels.GetWidth(), mPixels.GetHeight() );
506 texture.Upload( mPixels );
507 mTextureSet = TextureSet::New();
508 mTextureSet.SetTexture( 0u, texture );
514 if( attemptAtlasing )
516 mTextureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
517 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
519 if( !mTextureSet ) // big image, no atlasing or atlasing failed
521 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
522 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
523 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
524 mTextureSet = TextureSet::New();
525 TextureSetImage( mTextureSet, 0u, resourceImage );
529 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
531 Sampler sampler = Sampler::New();
532 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
533 mTextureSet.SetSampler( 0u, sampler );
537 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
539 if( imageUrl.empty() )
544 mImageUrl = imageUrl;
545 mImpl->mRenderer.Reset();
546 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
548 if( !mImpl->mCustomShader &&
549 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // ignore remote images
550 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
552 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
553 bool cacheable = defaultWrapMode && mPixelArea == FULL_TEXTURE_RECT;
555 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
556 if( cacheable ) // fetch the renderer from cache if exist
558 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
559 mImpl->mFlags |= Impl::IS_FROM_CACHE;
562 if( !mImpl->mRenderer ) // new renderer is needed
565 // texture set has to be created first as we need to know if atlasing succeeded or not
566 // when selecting the shader
567 CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), true );
570 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
572 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
573 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
575 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
576 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
577 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
581 // save the renderer to cache only when default wrap mode and default pixel area is used
584 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
590 // for custom shader or remote image, renderer is not cached and atlas is not applied
591 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
592 Vector4 atlasRect; // ignored in this case
593 CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), false );
598 void ImageVisual::InitializeRenderer( const Image& image )
600 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
602 // don't reuse CreateTextureSet
603 mTextureSet = TextureSet::New();
608 ApplyImageToSampler( image );
612 void ImageVisual::UploadCompleted()
614 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
615 Actor actor = mPlacementActor.GetHandle();
618 actor.AddRenderer( mImpl->mRenderer );
619 // reset the weak handle so that the renderer only get added to actor once
620 mPlacementActor.Reset();
624 void ImageVisual::DoSetOnStage( Actor& actor )
626 mPlacementActor = actor;
628 if( !mImageUrl.empty() )
630 InitializeRenderer( mImageUrl );
634 InitializeRenderer( mImage );
637 if( mPixelArea != FULL_TEXTURE_RECT )
639 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
642 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
644 actor.AddRenderer( mImpl->mRenderer );
645 mPlacementActor.Reset();
649 void ImageVisual::DoSetOffStage( Actor& actor )
651 //If we own the image then make sure we release it when we go off stage
652 if( !mImageUrl.empty() )
654 actor.RemoveRenderer( mImpl->mRenderer );
655 CleanCache(mImageUrl);
660 actor.RemoveRenderer( mImpl->mRenderer );
661 mImpl->mRenderer.Reset();
663 mPlacementActor.Reset();
664 mTextureSet.Reset(); // release texture when going offstage
667 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
670 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE );
672 bool sync = IsSynchronousResourceLoading();
673 map.Insert( SYNCHRONOUS_LOADING, sync );
674 if( !mImageUrl.empty() )
676 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
677 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
678 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
682 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
683 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
685 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
688 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
692 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
693 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
695 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
696 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
697 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
700 void ImageVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
705 Dali::Property::Value ImageVisual::DoGetProperty( Dali::Property::Index index )
708 return Dali::Property::Value();
711 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
716 if( defaultTextureWrapping )
718 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
721 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
722 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
727 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
730 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
731 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
737 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
740 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
741 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
744 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
748 void ImageVisual::ApplyImageToSampler( const Image& image )
752 DALI_ASSERT_DEBUG( mTextureSet ); // texture set should always exist by this time
754 TextureSetImage( mTextureSet, 0u, image );
755 Sampler sampler = Sampler::New();
756 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
757 mTextureSet.SetSampler( 0u, sampler );
761 void ImageVisual::OnImageLoaded( ResourceImage image )
763 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
765 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
766 if( mImpl->mRenderer )
768 ApplyImageToSampler( brokenImage );
773 void ImageVisual::CleanCache(const std::string& url)
777 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
778 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
779 if( index != Property::INVALID_INDEX )
781 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
782 atlasRectValue.Get( atlasRect );
785 mImpl->mRenderer.Reset();
786 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
788 mFactoryCache.GetAtlasManager()->Remove( mTextureSet, atlasRect );
793 void ImageVisual::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
795 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
796 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
800 mNativeFragmentShaderCode = fragmentPreFix;
801 mNativeFragmentShaderCode += "\n";
804 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
806 mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
810 mNativeFragmentShaderCode += FRAGMENT_SHADER_NO_ATLAS;
813 if( customSamplerTypename )
815 mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
819 } // namespace Internal
821 } // namespace Toolkit