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/devel-api/visuals/visual-properties-devel.h>
35 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
36 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
37 #include <dali-toolkit/internal/visuals/visual-factory-cache.h>
38 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
39 #include <dali-toolkit/internal/visuals/image-atlas-manager.h>
40 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
53 const char HTTP_URL[] = "http://";
54 const char HTTPS_URL[] = "https://";
57 const char * const IMAGE_FITTING_MODE( "fittingMode" );
58 const char * const IMAGE_SAMPLING_MODE( "samplingMode" );
59 const char * const IMAGE_DESIRED_WIDTH( "desiredWidth" );
60 const char * const IMAGE_DESIRED_HEIGHT( "desiredHeight" );
61 const char * const IMAGE_WRAP_MODE_U("wrapModeU");
62 const char * const IMAGE_WRAP_MODE_V("wrapModeV");
63 const char * const SYNCHRONOUS_LOADING( "synchronousLoading" );
64 const char * const BATCHING_ENABLED( "batchingEnabled" );
67 DALI_ENUM_TO_STRING_TABLE_BEGIN( FITTING_MODE )
68 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SHRINK_TO_FIT )
69 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SCALE_TO_FILL )
70 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_WIDTH )
71 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_HEIGHT )
72 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, DEFAULT )
73 DALI_ENUM_TO_STRING_TABLE_END( FITTING_MODE )
76 DALI_ENUM_TO_STRING_TABLE_BEGIN( SAMPLING_MODE )
77 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX )
78 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NEAREST )
79 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, LINEAR )
80 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_NEAREST )
81 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_LINEAR )
82 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NO_FILTER )
83 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, DONT_CARE )
84 DALI_ENUM_TO_STRING_TABLE_END( SAMPLING_MODE )
87 DALI_ENUM_TO_STRING_TABLE_BEGIN( WRAP_MODE )
88 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, DEFAULT )
89 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, CLAMP_TO_EDGE )
90 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, REPEAT )
91 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, MIRRORED_REPEAT )
92 DALI_ENUM_TO_STRING_TABLE_END( WRAP_MODE )
94 const std::string PIXEL_AREA_UNIFORM_NAME = "pixelArea";
95 const std::string WRAP_MODE_UNIFORM_NAME = "wrapMode";
97 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
99 const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
101 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
102 attribute mediump vec2 aPosition;\n
103 uniform mediump mat4 uMvpMatrix;\n
104 uniform mediump vec3 uSize;\n
105 uniform mediump vec4 pixelArea;
106 varying mediump vec2 vTexCoord;\n
109 //Visual size and offset
110 uniform mediump vec2 offset;\n
111 uniform mediump vec2 size;\n
112 uniform mediump vec4 offsetSizeMode;\n
113 uniform mediump vec2 origin;\n
114 uniform mediump vec2 anchorPoint;\n
116 vec4 ComputeVertexPosition()\n
118 vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
119 vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
120 return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n
125 mediump vec4 vertexPosition = uMvpMatrix * ComputeVertexPosition();\n
126 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
127 gl_Position = vertexPosition;\n
131 const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
132 varying mediump vec2 vTexCoord;\n
133 uniform sampler2D sTexture;\n
134 uniform lowp vec4 uColor;\n
138 gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\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
150 mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
151 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
155 const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
156 varying mediump vec2 vTexCoord;\n
157 uniform sampler2D sTexture;\n
158 uniform mediump vec4 uAtlasRect;\n
159 // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
160 uniform lowp vec2 wrapMode;\n
161 uniform lowp vec4 uColor;\n
163 mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
165 mediump float coord;\n
166 if( wrap > 1.5 )\n // REFLECT
167 coord = 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
168 else \n// warp == 0 or 1
169 coord = mix(coordinate, fract( coordinate ), wrap);\n
170 return clamp( mix(range.x, range.y, coord), range.x, range.y );
175 mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),
176 wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n
177 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
181 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
185 if( gridSize == ImageDimensions( 1, 1 ) )
187 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
191 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
197 } // unnamed namespace
199 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
200 const std::string& imageUrl,
201 const Property::Map& properties,
202 ImageDimensions size,
203 FittingMode::Type fittingMode,
204 Dali::SamplingMode::Type samplingMode )
206 ImageVisualPtr imageVisualPtr( new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode ) );
207 imageVisualPtr->SetProperties( properties );
208 return imageVisualPtr;
211 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
212 const std::string& imageUrl,
213 ImageDimensions size,
214 FittingMode::Type fittingMode,
215 Dali::SamplingMode::Type samplingMode )
217 return new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode );
220 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache, const Image& image )
222 return new ImageVisual( factoryCache, image );
225 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
226 const std::string& imageUrl,
227 ImageDimensions size,
228 FittingMode::Type fittingMode,
229 Dali::SamplingMode::Type samplingMode )
230 : Visual::Base( factoryCache ),
233 mPixelArea( FULL_TEXTURE_RECT ),
235 mImageUrl( imageUrl ),
236 mDesiredSize( size ),
237 mFittingMode( fittingMode ),
238 mSamplingMode( samplingMode ),
239 mWrapModeU( WrapMode::DEFAULT ),
240 mWrapModeV( WrapMode::DEFAULT )
244 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
245 : Visual::Base( factoryCache ),
248 mPixelArea( FULL_TEXTURE_RECT ),
252 mFittingMode( FittingMode::DEFAULT ),
253 mSamplingMode( SamplingMode::DEFAULT ),
254 mWrapModeU( WrapMode::DEFAULT ),
255 mWrapModeV( WrapMode::DEFAULT )
259 ImageVisual::~ImageVisual()
263 void ImageVisual::DoSetProperties( const Property::Map& propertyMap )
265 // Url is already received in constructor
266 Property::Value* fittingValue = propertyMap.Find( Toolkit::ImageVisual::Property::FITTING_MODE, IMAGE_FITTING_MODE );
270 Scripting::GetEnumerationProperty( *fittingValue, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, value );
271 mFittingMode = Dali::FittingMode::Type( value );
274 Property::Value* samplingValue = propertyMap.Find( Toolkit::ImageVisual::Property::SAMPLING_MODE, IMAGE_SAMPLING_MODE );
278 Scripting::GetEnumerationProperty( *samplingValue, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, value );
279 mSamplingMode = Dali::SamplingMode::Type( value );
282 // Use a variable to detect if the width or height have been modified by the property map.
283 bool desiredSizeSpecified = false;
284 int desiredWidth = 0;
285 Property::Value* desiredWidthValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_WIDTH, IMAGE_DESIRED_WIDTH );
286 if( desiredWidthValue )
288 desiredWidthValue->Get( desiredWidth );
289 desiredSizeSpecified = true;
292 int desiredHeight = 0;
293 Property::Value* desiredHeightValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, IMAGE_DESIRED_HEIGHT );
294 if( desiredHeightValue )
296 desiredHeightValue->Get( desiredHeight );
297 desiredSizeSpecified = true;
300 // Only update the desired size if specified in the property map.
301 if( desiredSizeSpecified )
303 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
306 Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
309 pixelAreaValue->Get( mPixelArea );
312 Property::Value* wrapModeValueU = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_U, IMAGE_WRAP_MODE_U );
316 Scripting::GetEnumerationProperty( *wrapModeValueU, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, value );
317 mWrapModeU = Dali::WrapMode::Type( value );
320 Property::Value* wrapModeValueV = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_V, IMAGE_WRAP_MODE_V );
324 Scripting::GetEnumerationProperty( *wrapModeValueV, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, value );
325 mWrapModeV = Dali::WrapMode::Type( value );
328 Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
332 syncLoading->Get( sync );
335 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
336 // if sync loading is required, the loading should start immediately when new image url is set or the actor is off stage
337 // ( for on-stage actor with image url unchanged, resource loading is already finished)
338 if( mImageUrl.size() > 0u )
340 LoadResourceSynchronously();
345 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
350 void ImageVisual::GetNaturalSize( Vector2& naturalSize )
354 naturalSize.x = mImage.GetWidth();
355 naturalSize.y = mImage.GetHeight();
358 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
360 naturalSize.x = mDesiredSize.GetWidth();
361 naturalSize.y = mDesiredSize.GetHeight();
364 else if( !mImageUrl.empty() )
366 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
367 naturalSize.x = dimentions.GetWidth();
368 naturalSize.y = dimentions.GetHeight();
372 naturalSize = Vector2::ZERO;
375 void ImageVisual::CreateRenderer( TextureSet& textures )
380 if( !mImpl->mCustomShader )
382 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
384 shader = GetImageShader( mFactoryCache,
385 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
386 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
390 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
391 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
393 shader = GetImageShader( mFactoryCache, false, true );
397 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
398 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
399 mImpl->mCustomShader->mHints );
400 if( mImpl->mCustomShader->mVertexShader.empty() )
402 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
407 mImpl->mRenderer = Renderer::New( geometry, shader );
408 DALI_ASSERT_DEBUG( textures );
409 mImpl->mRenderer.SetTextures( textures );
411 //Register transform properties
412 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
415 void ImageVisual::CreateNativeImageRenderer( NativeImage& nativeImage )
420 std::string fragmentShader;
421 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
422 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
425 fragmentShader = fragmentPreFix;
426 fragmentShader += "\n";
428 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
430 fragmentShader += mImpl->mCustomShader->mFragmentShader;
434 fragmentShader += FRAGMENT_SHADER_NO_ATLAS;
436 if( customSamplerTypename )
438 fragmentShader.replace( fragmentShader.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
441 if( !mImpl->mCustomShader )
443 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
445 shader = Shader::New( VERTEX_SHADER, fragmentShader );
446 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
450 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
451 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
453 mImpl->mCustomShader->mHints );
454 if( mImpl->mCustomShader->mVertexShader.empty() )
456 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
460 mImpl->mRenderer = Renderer::New( geometry, shader );
462 //Register transform properties
463 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
467 bool ImageVisual::IsSynchronousResourceLoading() const
469 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
472 void ImageVisual::LoadResourceSynchronously()
474 if( !mImageUrl.empty() )
476 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
478 mPixels = loader.GetPixelData();
482 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading, bool attemptAtlasing )
484 TextureSet textureSet;
485 textureRect = FULL_TEXTURE_RECT;
486 if( synchronousLoading )
491 textureSet = TextureSet::New();
492 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
496 if( attemptAtlasing )
498 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
499 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
501 if( !textureSet ) // 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 textureSet = TextureSet::New();
508 textureSet.SetTexture( 0u, texture );
514 if( attemptAtlasing )
516 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
517 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
519 if( !textureSet ) // 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 textureSet = TextureSet::New();
525 TextureSetImage( textureSet, 0u, resourceImage );
529 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
531 Sampler sampler = Sampler::New();
532 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
533 textureSet.SetSampler( 0u, sampler );
538 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
540 mImageUrl = imageUrl;
541 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
543 if( !mImpl->mCustomShader &&
544 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // dont atlas remote images
545 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
547 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
548 bool defaultTransform = mImpl->mTransform.mSize == Vector2::ONE &&
549 mImpl->mTransform.mOffset == Vector2::ZERO &&
550 mImpl->mTransform.mOffsetSizeMode == Vector4::ZERO &&
551 mImpl->mTransform.mOrigin == Toolkit::Align::CENTER &&
552 mImpl->mTransform.mAnchorPoint == Toolkit::Align::CENTER;
554 bool cacheable = defaultWrapMode && defaultTransform && mPixelArea == FULL_TEXTURE_RECT;
557 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
558 if( cacheable ) // fetch the renderer from cache if exist
560 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
561 mImpl->mFlags |= Impl::IS_FROM_CACHE;
564 if( !mImpl->mRenderer ) // new renderer is needed
567 // texture set has to be created first as we need to know if atlasing succeeded or not
568 // when selecting the shader
569 TextureSet textures = CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), true );
570 CreateRenderer( textures );
572 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
574 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
575 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
577 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
578 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
579 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
583 // save the renderer to cache only when default wrap mode and default pixel area is used
586 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
592 // for custom shader or remote image, renderer is not cached and atlas is not applied
593 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
594 Vector4 atlasRect; // ignored in this case
595 TextureSet textures = CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), false );
596 CreateRenderer( textures );
600 void ImageVisual::InitializeRenderer( const Image& image )
603 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
605 // don't reuse CreateTextureSet
606 TextureSet textures = TextureSet::New();
607 // Renderer can't be shared if mImage is NativeImage
608 NativeImage nativeImage = NativeImage::DownCast( image );
611 CreateNativeImageRenderer( nativeImage );
612 DALI_ASSERT_DEBUG( textures );
613 mImpl->mRenderer.SetTextures( textures );
617 // reuse existing code for regular images
618 CreateRenderer( textures );
620 ApplyImageToSampler( image );
623 void ImageVisual::UploadCompleted()
625 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
626 Actor actor = mPlacementActor.GetHandle();
629 actor.AddRenderer( mImpl->mRenderer );
630 // reset the weak handle so that the renderer only get added to actor once
631 mPlacementActor.Reset();
635 void ImageVisual::DoSetOnStage( Actor& actor )
637 if( !mImageUrl.empty() )
639 InitializeRenderer( mImageUrl );
643 InitializeRenderer( mImage );
646 if ( !mImpl->mRenderer)
651 mPlacementActor = actor;
653 if( mPixelArea != FULL_TEXTURE_RECT )
655 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
658 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
660 actor.AddRenderer( mImpl->mRenderer );
661 mPlacementActor.Reset();
665 void ImageVisual::DoSetOffStage( Actor& actor )
667 // Visual::Base::SetOffStage only calls DoSetOffStage if mRenderer exists (is on onstage)
669 //If we own the image then make sure we release it when we go off stage
670 actor.RemoveRenderer( mImpl->mRenderer);
671 if( !mImageUrl.empty() )
673 CleanCache(mImageUrl);
677 mImpl->mRenderer.Reset();
678 mPlacementActor.Reset();
681 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
684 map.Insert( Toolkit::DevelVisual::Property::TYPE, Toolkit::Visual::IMAGE );
686 bool sync = IsSynchronousResourceLoading();
687 map.Insert( SYNCHRONOUS_LOADING, sync );
688 if( !mImageUrl.empty() )
690 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
691 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
692 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
696 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
697 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
699 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
702 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
706 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
707 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
709 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
710 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
711 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
714 void ImageVisual::OnSetTransform()
716 if( mImpl->mRenderer )
718 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
722 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
727 if( defaultTextureWrapping )
729 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
732 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
733 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
734 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
739 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
742 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
743 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
744 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
750 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
753 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
754 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
755 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
762 void ImageVisual::ApplyImageToSampler( const Image& image )
766 TextureSet textureSet = mImpl->mRenderer.GetTextures();
767 DALI_ASSERT_DEBUG( textureSet ); // texture set should always exist by this time
769 TextureSetImage( textureSet, 0u, image );
770 Sampler sampler = Sampler::New();
771 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
772 textureSet.SetSampler( 0u, sampler );
776 void ImageVisual::OnImageLoaded( ResourceImage image )
778 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
780 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
781 if( mImpl->mRenderer )
783 ApplyImageToSampler( brokenImage );
788 void ImageVisual::CleanCache(const std::string& url)
792 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
793 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
794 if( index != Property::INVALID_INDEX )
796 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
797 atlasRectValue.Get( atlasRect );
800 TextureSet textureSet = mImpl->mRenderer.GetTextures();
801 mImpl->mRenderer.Reset();
802 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
804 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
809 } // namespace Internal
811 } // namespace Toolkit