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 strlen()
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/adaptor-framework/image-loading.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>
41 #include <dali-toolkit/internal/visuals/visual-url.h>
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" );
63 DALI_ENUM_TO_STRING_TABLE_BEGIN( FITTING_MODE )
64 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SHRINK_TO_FIT )
65 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SCALE_TO_FILL )
66 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_WIDTH )
67 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_HEIGHT )
68 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, DEFAULT )
69 DALI_ENUM_TO_STRING_TABLE_END( FITTING_MODE )
72 DALI_ENUM_TO_STRING_TABLE_BEGIN( SAMPLING_MODE )
73 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX )
74 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NEAREST )
75 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, LINEAR )
76 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_NEAREST )
77 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_LINEAR )
78 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NO_FILTER )
79 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, DONT_CARE )
80 DALI_ENUM_TO_STRING_TABLE_END( SAMPLING_MODE )
83 DALI_ENUM_TO_STRING_TABLE_BEGIN( WRAP_MODE )
84 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, DEFAULT )
85 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, CLAMP_TO_EDGE )
86 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, REPEAT )
87 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, MIRRORED_REPEAT )
88 DALI_ENUM_TO_STRING_TABLE_END( WRAP_MODE )
90 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
92 const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
94 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
95 attribute mediump vec2 aPosition;\n
96 uniform mediump mat4 uMvpMatrix;\n
97 uniform mediump vec3 uSize;\n
98 uniform mediump vec4 pixelArea;
99 varying mediump vec2 vTexCoord;\n
102 //Visual size and offset
103 uniform mediump vec2 offset;\n
104 uniform mediump vec2 size;\n
105 uniform mediump vec4 offsetSizeMode;\n
106 uniform mediump vec2 origin;\n
107 uniform mediump vec2 anchorPoint;\n
109 vec4 ComputeVertexPosition()\n
111 vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
112 vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
113 return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n
118 mediump vec4 vertexPosition = uMvpMatrix * ComputeVertexPosition();\n
119 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
120 gl_Position = vertexPosition;\n
124 const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
125 varying mediump vec2 vTexCoord;\n
126 uniform sampler2D sTexture;\n
127 uniform lowp vec4 uColor;\n
128 uniform lowp vec3 mixColor;\n
129 uniform lowp float opacity;\n
130 uniform lowp float preMultipliedAlpha;\n
132 lowp vec4 visualMixColor()\n
134 return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\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 vec3 mixColor;\n
148 uniform lowp float opacity;\n
149 uniform lowp float preMultipliedAlpha;\n
151 lowp vec4 visualMixColor()\n
153 return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
158 mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
159 gl_FragColor = texture2D( sTexture, texCoord ) * uColor * visualMixColor();\n
163 const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
164 varying mediump vec2 vTexCoord;\n
165 uniform sampler2D sTexture;\n
166 uniform mediump vec4 uAtlasRect;\n
167 // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
168 uniform lowp vec2 wrapMode;\n
169 uniform lowp vec4 uColor;\n
170 uniform lowp vec3 mixColor;\n
171 uniform lowp float opacity;\n
172 uniform lowp float preMultipliedAlpha;\n
174 mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
176 mediump float coord;\n
177 if( wrap > 1.5 )\n // REFLECT
178 coord = 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
179 else \n// warp == 0 or 1
180 coord = mix(coordinate, fract( coordinate ), wrap);\n
181 return clamp( mix(range.x, range.y, coord), range.x, range.y );
184 lowp vec4 visualMixColor()\n
186 return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
191 mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),
192 wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n
193 gl_FragColor = texture2D( sTexture, texCoord ) * uColor * visualMixColor();\n
197 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
201 if( gridSize == ImageDimensions( 1, 1 ) )
203 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
207 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
213 } // unnamed namespace
215 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
216 const VisualUrl& imageUrl,
217 const Property::Map& properties,
218 ImageDimensions size,
219 FittingMode::Type fittingMode,
220 Dali::SamplingMode::Type samplingMode )
222 ImageVisualPtr imageVisualPtr( new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode ) );
223 imageVisualPtr->SetProperties( properties );
224 return imageVisualPtr;
227 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
228 const VisualUrl& imageUrl,
229 ImageDimensions size,
230 FittingMode::Type fittingMode,
231 Dali::SamplingMode::Type samplingMode )
233 return new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode );
236 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache, const Image& image )
238 return new ImageVisual( factoryCache, image );
241 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
242 const VisualUrl& imageUrl,
243 ImageDimensions size,
244 FittingMode::Type fittingMode,
245 Dali::SamplingMode::Type samplingMode )
246 : Visual::Base( factoryCache ),
249 mPixelArea( FULL_TEXTURE_RECT ),
251 mImageUrl( imageUrl ),
252 mDesiredSize( size ),
253 mFittingMode( fittingMode ),
254 mSamplingMode( samplingMode ),
255 mWrapModeU( WrapMode::DEFAULT ),
256 mWrapModeV( WrapMode::DEFAULT )
260 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
261 : Visual::Base( factoryCache ),
264 mPixelArea( FULL_TEXTURE_RECT ),
268 mFittingMode( FittingMode::DEFAULT ),
269 mSamplingMode( SamplingMode::DEFAULT ),
270 mWrapModeU( WrapMode::DEFAULT ),
271 mWrapModeV( WrapMode::DEFAULT )
275 ImageVisual::~ImageVisual()
279 void ImageVisual::DoSetProperties( const Property::Map& propertyMap )
281 // Url is already received in constructor
282 for( Property::Map::SizeType iter = 0; iter < propertyMap.Count(); ++iter )
284 KeyValuePair keyValue = propertyMap.GetKeyValue( iter );
285 if( keyValue.first.type == Property::Key::INDEX )
287 DoSetProperty( keyValue.first.indexKey, keyValue.second );
291 if( keyValue.first == IMAGE_FITTING_MODE )
293 DoSetProperty( Toolkit::ImageVisual::Property::FITTING_MODE, keyValue.second );
295 else if( keyValue.first == IMAGE_SAMPLING_MODE )
297 DoSetProperty( Toolkit::ImageVisual::Property::SAMPLING_MODE, keyValue.second );
299 else if( keyValue.first == IMAGE_DESIRED_WIDTH )
301 DoSetProperty( Toolkit::ImageVisual::Property::DESIRED_WIDTH, keyValue.second );
303 else if( keyValue.first == IMAGE_DESIRED_HEIGHT )
305 DoSetProperty( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, keyValue.second );
307 else if( keyValue.first == PIXEL_AREA_UNIFORM_NAME )
309 DoSetProperty( Toolkit::ImageVisual::Property::PIXEL_AREA, keyValue.second );
311 else if( keyValue.first == IMAGE_WRAP_MODE_U )
313 DoSetProperty( Toolkit::ImageVisual::Property::WRAP_MODE_U, keyValue.second );
315 else if( keyValue.first == IMAGE_WRAP_MODE_V )
317 DoSetProperty( Toolkit::ImageVisual::Property::WRAP_MODE_V, keyValue.second );
319 else if( keyValue.first == SYNCHRONOUS_LOADING )
321 DoSetProperty( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, keyValue.second );
326 if( mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING && mImageUrl.IsValid() )
328 // if sync loading is required, the loading should start
329 // immediately when new image url is set or the actor is off stage
330 // ( for on-stage actor with image url unchanged, resource loading
331 // is already finished )
332 LoadResourceSynchronously();
336 void ImageVisual::DoSetProperty( Property::Index index, const Property::Value& value )
340 case Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING:
343 if( value.Get( sync ) )
347 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
351 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
356 DALI_LOG_ERROR("ImageVisual: synchronousLoading property has incorrect type\n");
361 case Toolkit::ImageVisual::Property::DESIRED_WIDTH:
364 if( value.Get( desiredWidth ) )
366 mDesiredSize.SetWidth( desiredWidth );
370 DALI_LOG_ERROR("ImageVisual: desiredWidth property has incorrect type\n");
375 case Toolkit::ImageVisual::Property::DESIRED_HEIGHT:
378 if( value.Get( desiredHeight ) )
380 mDesiredSize.SetHeight( desiredHeight );
384 DALI_LOG_ERROR("ImageVisual: desiredHeight property has incorrect type\n");
389 case Toolkit::ImageVisual::Property::FITTING_MODE:
392 Scripting::GetEnumerationProperty( value, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, fittingMode );
393 mFittingMode = Dali::FittingMode::Type( fittingMode );
397 case Toolkit::ImageVisual::Property::SAMPLING_MODE:
400 Scripting::GetEnumerationProperty( value, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, samplingMode );
401 mSamplingMode = Dali::SamplingMode::Type( samplingMode );
405 case Toolkit::ImageVisual::Property::PIXEL_AREA:
407 value.Get( mPixelArea );
411 case Toolkit::ImageVisual::Property::WRAP_MODE_U:
414 Scripting::GetEnumerationProperty( value, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, wrapMode );
415 mWrapModeU = Dali::WrapMode::Type( wrapMode );
419 case Toolkit::ImageVisual::Property::WRAP_MODE_V:
422 Scripting::GetEnumerationProperty( value, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, wrapMode );
423 mWrapModeV = Dali::WrapMode::Type( wrapMode );
429 void ImageVisual::GetNaturalSize( Vector2& naturalSize )
433 naturalSize.x = mImage.GetWidth();
434 naturalSize.y = mImage.GetHeight();
437 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
439 naturalSize.x = mDesiredSize.GetWidth();
440 naturalSize.y = mDesiredSize.GetHeight();
443 else if( mImageUrl.IsValid() && mImageUrl.GetLocation() == VisualUrl::LOCAL )
445 ImageDimensions dimentions = Dali::GetClosestImageSize( mImageUrl.GetUrl() );
446 naturalSize.x = dimentions.GetWidth();
447 naturalSize.y = dimentions.GetHeight();
451 naturalSize = Vector2::ZERO;
454 void ImageVisual::CreateRenderer( TextureSet& textures )
459 if( !mImpl->mCustomShader )
461 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
463 shader = GetImageShader( mFactoryCache,
464 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
465 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
469 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
470 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
472 shader = GetImageShader( mFactoryCache, false, true );
476 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
477 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
478 mImpl->mCustomShader->mHints );
479 if( mImpl->mCustomShader->mVertexShader.empty() )
481 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
486 mImpl->mRenderer = Renderer::New( geometry, shader );
487 DALI_ASSERT_DEBUG( textures );
488 mImpl->mRenderer.SetTextures( textures );
490 //Register transform properties
491 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
494 void ImageVisual::CreateNativeImageRenderer( NativeImage& nativeImage )
499 std::string fragmentShader;
500 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
501 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
505 fragmentShader = fragmentPreFix;
506 fragmentShader += "\n";
509 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
511 fragmentShader += mImpl->mCustomShader->mFragmentShader;
515 fragmentShader += FRAGMENT_SHADER_NO_ATLAS;
518 if( customSamplerTypename )
520 fragmentShader.replace( fragmentShader.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
523 if( !mImpl->mCustomShader )
525 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
527 shader = Shader::New( VERTEX_SHADER, fragmentShader );
528 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
532 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
533 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
535 mImpl->mCustomShader->mHints );
536 if( mImpl->mCustomShader->mVertexShader.empty() )
538 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
542 mImpl->mRenderer = Renderer::New( geometry, shader );
544 //Register transform properties
545 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
549 bool ImageVisual::IsSynchronousResourceLoading() const
551 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
554 void ImageVisual::LoadResourceSynchronously()
556 if( mImageUrl.IsValid() )
558 BitmapLoader loader = BitmapLoader::New( mImageUrl.GetUrl(), mDesiredSize, mFittingMode, mSamplingMode );
560 mPixels = loader.GetPixelData();
564 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, bool synchronousLoading, bool attemptAtlasing )
566 TextureSet textureSet;
567 textureRect = FULL_TEXTURE_RECT;
568 if( synchronousLoading )
573 textureSet = TextureSet::New();
574 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
578 if( attemptAtlasing )
580 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
581 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
583 if( !textureSet ) // big image, no atlasing or atlasing failed
585 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
586 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, mPixels.GetPixelFormat(),
587 mPixels.GetWidth(), mPixels.GetHeight() );
588 texture.Upload( mPixels );
589 textureSet = TextureSet::New();
590 textureSet.SetTexture( 0u, texture );
596 if( attemptAtlasing )
598 textureSet = mFactoryCache.GetAtlasManager()->Add( textureRect, mImageUrl.GetUrl(), mDesiredSize, mFittingMode, true, this );
599 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
601 if( !textureSet ) // big image, no atlasing or atlasing failed
603 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
604 ResourceImage resourceImage = Dali::ResourceImage::New( mImageUrl.GetUrl(), mDesiredSize, mFittingMode, mSamplingMode );
605 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
606 textureSet = TextureSet::New();
607 TextureSetImage( textureSet, 0u, resourceImage );
611 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
613 Sampler sampler = Sampler::New();
614 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
615 textureSet.SetSampler( 0u, sampler );
620 void ImageVisual::InitializeRenderer()
622 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
624 if( !mImpl->mCustomShader && mImageUrl.GetLocation() == VisualUrl::LOCAL )
626 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
629 // texture set has to be created first as we need to know if atlasing succeeded or not
630 // when selecting the shader
631 TextureSet textures = CreateTextureSet( atlasRect, IsSynchronousResourceLoading(), true );
632 CreateRenderer( textures );
634 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
636 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
637 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
639 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
640 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
641 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
647 // for custom shader or remote image, atlas is not applied
648 Vector4 atlasRect; // ignored in this case
649 TextureSet textures = CreateTextureSet( atlasRect, IsSynchronousResourceLoading(), false );
650 CreateRenderer( textures );
654 void ImageVisual::InitializeRenderer( const Image& image )
656 // don't reuse CreateTextureSet
657 TextureSet textures = TextureSet::New();
659 // Renderer can't be shared if mImage is NativeImage
660 NativeImage nativeImage = NativeImage::DownCast( image );
663 CreateNativeImageRenderer( nativeImage );
664 DALI_ASSERT_DEBUG( textures );
665 mImpl->mRenderer.SetTextures( textures );
669 // reuse existing code for regular images
670 CreateRenderer( textures );
672 ApplyImageToSampler( image );
675 void ImageVisual::UploadCompleted()
677 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
678 Actor actor = mPlacementActor.GetHandle();
681 actor.AddRenderer( mImpl->mRenderer );
682 // reset the weak handle so that the renderer only get added to actor once
683 mPlacementActor.Reset();
687 void ImageVisual::DoSetOnStage( Actor& actor )
689 if( mImageUrl.IsValid() )
691 InitializeRenderer();
695 InitializeRenderer( mImage );
698 if ( !mImpl->mRenderer )
703 mPlacementActor = actor;
705 if( mPixelArea != FULL_TEXTURE_RECT )
707 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
710 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
712 actor.AddRenderer( mImpl->mRenderer );
713 mPlacementActor.Reset();
717 void ImageVisual::DoSetOffStage( Actor& actor )
719 // Visual::Base::SetOffStage only calls DoSetOffStage if mRenderer exists (is on onstage)
721 //If we own the image then make sure we release it when we go off stage
722 actor.RemoveRenderer( mImpl->mRenderer);
723 if( mImageUrl.IsValid() )
725 RemoveFromAtlas( mImageUrl.GetUrl() );
729 mImpl->mRenderer.Reset();
730 mPlacementActor.Reset();
733 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
736 map.Insert( Toolkit::DevelVisual::Property::TYPE, Toolkit::Visual::IMAGE );
738 bool sync = IsSynchronousResourceLoading();
739 map.Insert( SYNCHRONOUS_LOADING, sync );
740 if( mImageUrl.IsValid() )
742 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl.GetUrl() );
743 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
744 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
748 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
749 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
751 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
754 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
758 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
759 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
761 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
762 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
763 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
766 void ImageVisual::DoCreateInstancePropertyMap( Property::Map& map ) const
769 map.Insert( Toolkit::DevelVisual::Property::TYPE, Toolkit::Visual::IMAGE );
770 if( mImageUrl.IsValid() )
772 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
773 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
777 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
778 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
782 void ImageVisual::OnSetTransform()
784 if( mImpl->mRenderer )
786 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
790 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
795 if( defaultTextureWrapping )
797 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
800 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
801 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
802 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
807 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
810 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
811 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
812 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
818 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
821 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
822 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
823 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
830 void ImageVisual::ApplyImageToSampler( const Image& image )
834 TextureSet textureSet = mImpl->mRenderer.GetTextures();
835 DALI_ASSERT_DEBUG( textureSet ); // texture set should always exist by this time
837 TextureSetImage( textureSet, 0u, image );
838 Sampler sampler = Sampler::New();
839 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
840 textureSet.SetSampler( 0u, sampler );
844 void ImageVisual::OnImageLoaded( ResourceImage image )
846 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
848 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
849 if( mImpl->mRenderer )
851 ApplyImageToSampler( brokenImage );
856 void ImageVisual::RemoveFromAtlas(const std::string& url)
858 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
859 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
860 if( index != Property::INVALID_INDEX )
862 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
863 atlasRectValue.Get( atlasRect );
866 TextureSet textureSet = mImpl->mRenderer.GetTextures();
867 mImpl->mRenderer.Reset();
869 if( index != Property::INVALID_INDEX )
871 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
875 } // namespace Internal
877 } // namespace Toolkit