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/image-visual-properties-devel.h>
35 #include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
36 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
37 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
38 #include <dali-toolkit/internal/visuals/visual-factory-cache.h>
39 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
40 #include <dali-toolkit/internal/visuals/image-atlas-manager.h>
41 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
42 #include <dali-toolkit/internal/visuals/visual-url.h>
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 SYNCHRONOUS_LOADING( "synchronousLoading" );
62 const char * const IMAGE_ATLASING("atlasing");
65 DALI_ENUM_TO_STRING_TABLE_BEGIN( FITTING_MODE )
66 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SHRINK_TO_FIT )
67 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, SCALE_TO_FILL )
68 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_WIDTH )
69 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, FIT_HEIGHT )
70 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::FittingMode, DEFAULT )
71 DALI_ENUM_TO_STRING_TABLE_END( FITTING_MODE )
74 DALI_ENUM_TO_STRING_TABLE_BEGIN( SAMPLING_MODE )
75 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX )
76 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NEAREST )
77 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, LINEAR )
78 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_NEAREST )
79 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, BOX_THEN_LINEAR )
80 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, NO_FILTER )
81 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::SamplingMode, DONT_CARE )
82 DALI_ENUM_TO_STRING_TABLE_END( SAMPLING_MODE )
85 DALI_ENUM_TO_STRING_TABLE_BEGIN( WRAP_MODE )
86 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, DEFAULT )
87 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, CLAMP_TO_EDGE )
88 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, REPEAT )
89 DALI_ENUM_TO_STRING_WITH_SCOPE( Dali::WrapMode, MIRRORED_REPEAT )
90 DALI_ENUM_TO_STRING_TABLE_END( WRAP_MODE )
92 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
94 const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
96 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
97 attribute mediump vec2 aPosition;\n
98 uniform mediump mat4 uModelMatrix;\n
99 uniform mediump mat4 uViewMatrix;\n
100 uniform mediump mat4 uProjection;\n
101 uniform mediump vec3 uSize;\n
102 uniform mediump vec4 pixelArea;
103 varying mediump vec2 vTexCoord;\n
106 //Visual size and offset
107 uniform mediump vec2 offset;\n
108 uniform mediump vec2 size;\n
109 uniform mediump vec4 offsetSizeMode;\n
110 uniform mediump vec2 origin;\n
111 uniform mediump vec2 anchorPoint;\n
113 vec4 ComputeVertexPosition()\n
115 vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
116 vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
117 return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n
122 mediump vec4 vertexPosition = uViewMatrix * uModelMatrix * ComputeVertexPosition();\n
123 vertexPosition.xy = floor ( vertexPosition.xy );\n // Pixel alignment
124 vertexPosition = uProjection * vertexPosition;\n
125 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
126 gl_Position = vertexPosition;\n
130 const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
131 varying mediump vec2 vTexCoord;\n
132 uniform sampler2D sTexture;\n
133 uniform lowp vec4 uColor;\n
134 uniform lowp vec3 mixColor;\n
135 uniform lowp float opacity;\n
136 uniform lowp float preMultipliedAlpha;\n
138 lowp vec4 visualMixColor()\n
140 return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
144 gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * visualMixColor();\n
148 const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
149 varying mediump vec2 vTexCoord;\n
150 uniform sampler2D sTexture;\n
151 uniform mediump vec4 uAtlasRect;\n
152 uniform lowp vec4 uColor;\n
153 uniform lowp vec3 mixColor;\n
154 uniform lowp float opacity;\n
155 uniform lowp float preMultipliedAlpha;\n
157 lowp vec4 visualMixColor()\n
159 return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
164 mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
165 gl_FragColor = texture2D( sTexture, texCoord ) * uColor * visualMixColor();\n
169 const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
170 varying mediump vec2 vTexCoord;\n
171 uniform sampler2D sTexture;\n
172 uniform mediump vec4 uAtlasRect;\n
173 // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
174 uniform lowp vec2 wrapMode;\n
175 uniform lowp vec4 uColor;\n
176 uniform lowp vec3 mixColor;\n
177 uniform lowp float opacity;\n
178 uniform lowp float preMultipliedAlpha;\n
180 mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
182 mediump float coord;\n
183 if( wrap > 1.5 )\n // REFLECT
184 coord = 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n
185 else \n// warp == 0 or 1
186 coord = mix(coordinate, fract( coordinate ), wrap);\n
187 return clamp( mix(range.x, range.y, coord), range.x, range.y );
190 lowp vec4 visualMixColor()\n
192 return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
197 mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),
198 wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n
199 gl_FragColor = texture2D( sTexture, texCoord ) * uColor * visualMixColor();\n
203 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
207 if( gridSize == ImageDimensions( 1, 1 ) )
209 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
213 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
219 } // unnamed namespace
221 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
222 const VisualUrl& imageUrl,
223 const Property::Map& properties,
224 ImageDimensions size,
225 FittingMode::Type fittingMode,
226 Dali::SamplingMode::Type samplingMode )
228 ImageVisualPtr imageVisualPtr( new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode ) );
229 imageVisualPtr->SetProperties( properties );
230 return imageVisualPtr;
233 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
234 const VisualUrl& imageUrl,
235 ImageDimensions size,
236 FittingMode::Type fittingMode,
237 Dali::SamplingMode::Type samplingMode )
239 return new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode );
242 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache, const Image& image )
244 return new ImageVisual( factoryCache, image );
247 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
248 const VisualUrl& imageUrl,
249 ImageDimensions size,
250 FittingMode::Type fittingMode,
251 Dali::SamplingMode::Type samplingMode )
252 : Visual::Base( factoryCache ),
255 mPixelArea( FULL_TEXTURE_RECT ),
257 mImageUrl( imageUrl ),
258 mDesiredSize( size ),
259 mFittingMode( fittingMode ),
260 mSamplingMode( samplingMode ),
261 mWrapModeU( WrapMode::DEFAULT ),
262 mWrapModeV( WrapMode::DEFAULT ),
263 mAttemptAtlasing( false )
267 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
268 : Visual::Base( factoryCache ),
271 mPixelArea( FULL_TEXTURE_RECT ),
275 mFittingMode( FittingMode::DEFAULT ),
276 mSamplingMode( SamplingMode::DEFAULT ),
277 mWrapModeU( WrapMode::DEFAULT ),
278 mWrapModeV( WrapMode::DEFAULT ),
279 mAttemptAtlasing( false )
283 ImageVisual::~ImageVisual()
287 void ImageVisual::DoSetProperties( const Property::Map& propertyMap )
289 // Url is already received in constructor
290 for( Property::Map::SizeType iter = 0; iter < propertyMap.Count(); ++iter )
292 KeyValuePair keyValue = propertyMap.GetKeyValue( iter );
293 if( keyValue.first.type == Property::Key::INDEX )
295 DoSetProperty( keyValue.first.indexKey, keyValue.second );
299 if( keyValue.first == IMAGE_FITTING_MODE )
301 DoSetProperty( Toolkit::ImageVisual::Property::FITTING_MODE, keyValue.second );
303 else if( keyValue.first == IMAGE_SAMPLING_MODE )
305 DoSetProperty( Toolkit::ImageVisual::Property::SAMPLING_MODE, keyValue.second );
307 else if( keyValue.first == IMAGE_DESIRED_WIDTH )
309 DoSetProperty( Toolkit::ImageVisual::Property::DESIRED_WIDTH, keyValue.second );
311 else if( keyValue.first == IMAGE_DESIRED_HEIGHT )
313 DoSetProperty( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, keyValue.second );
315 else if( keyValue.first == PIXEL_AREA_UNIFORM_NAME )
317 DoSetProperty( Toolkit::ImageVisual::Property::PIXEL_AREA, keyValue.second );
319 else if( keyValue.first == IMAGE_WRAP_MODE_U )
321 DoSetProperty( Toolkit::ImageVisual::Property::WRAP_MODE_U, keyValue.second );
323 else if( keyValue.first == IMAGE_WRAP_MODE_V )
325 DoSetProperty( Toolkit::ImageVisual::Property::WRAP_MODE_V, keyValue.second );
327 else if( keyValue.first == SYNCHRONOUS_LOADING )
329 DoSetProperty( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, keyValue.second );
331 else if ( keyValue.first == IMAGE_ATLASING )
333 DoSetProperty( Toolkit::DevelImageVisual::Property::ATLASING, keyValue.second );
338 if( ( mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING ) && mImageUrl.IsValid() )
340 // if sync loading is required, the loading should start
341 // immediately when new image url is set or the actor is off stage
342 // ( for on-stage actor with image url unchanged, resource loading
343 // is already finished )
344 LoadResourceSynchronously();
348 void ImageVisual::DoSetProperty( Property::Index index, const Property::Value& value )
352 case Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING:
355 if( value.Get( sync ) )
359 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
363 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
368 DALI_LOG_ERROR("ImageVisual: synchronousLoading property has incorrect type\n");
373 case Toolkit::ImageVisual::Property::DESIRED_WIDTH:
376 if( value.Get( desiredWidth ) )
378 mDesiredSize.SetWidth( desiredWidth );
382 DALI_LOG_ERROR("ImageVisual: desiredWidth property has incorrect type\n");
387 case Toolkit::ImageVisual::Property::DESIRED_HEIGHT:
390 if( value.Get( desiredHeight ) )
392 mDesiredSize.SetHeight( desiredHeight );
396 DALI_LOG_ERROR("ImageVisual: desiredHeight property has incorrect type\n");
401 case Toolkit::ImageVisual::Property::FITTING_MODE:
404 Scripting::GetEnumerationProperty( value, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, fittingMode );
405 mFittingMode = Dali::FittingMode::Type( fittingMode );
409 case Toolkit::ImageVisual::Property::SAMPLING_MODE:
412 Scripting::GetEnumerationProperty( value, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, samplingMode );
413 mSamplingMode = Dali::SamplingMode::Type( samplingMode );
417 case Toolkit::ImageVisual::Property::PIXEL_AREA:
419 value.Get( mPixelArea );
423 case Toolkit::ImageVisual::Property::WRAP_MODE_U:
426 Scripting::GetEnumerationProperty( value, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, wrapMode );
427 mWrapModeU = Dali::WrapMode::Type( wrapMode );
431 case Toolkit::ImageVisual::Property::WRAP_MODE_V:
434 Scripting::GetEnumerationProperty( value, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, wrapMode );
435 mWrapModeV = Dali::WrapMode::Type( wrapMode );
439 case Toolkit::DevelImageVisual::Property::ATLASING:
441 bool atlasing = false;
442 mAttemptAtlasing = value.Get( atlasing );
447 void ImageVisual::GetNaturalSize( Vector2& naturalSize )
451 naturalSize.x = mImage.GetWidth();
452 naturalSize.y = mImage.GetHeight();
455 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
457 naturalSize.x = mDesiredSize.GetWidth();
458 naturalSize.y = mDesiredSize.GetHeight();
461 else if( mImageUrl.IsValid() && mImageUrl.GetLocation() == VisualUrl::LOCAL )
463 ImageDimensions dimentions = Dali::GetClosestImageSize( mImageUrl.GetUrl() );
464 naturalSize.x = dimentions.GetWidth();
465 naturalSize.y = dimentions.GetHeight();
469 naturalSize = Vector2::ZERO;
472 void ImageVisual::CreateRenderer( TextureSet& textures )
477 if( !mImpl->mCustomShader )
479 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
481 shader = GetImageShader( mFactoryCache,
482 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
483 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
487 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
488 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
490 shader = GetImageShader( mFactoryCache, false, true );
494 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
495 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
496 mImpl->mCustomShader->mHints );
497 if( mImpl->mCustomShader->mVertexShader.empty() )
499 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
504 mImpl->mRenderer = Renderer::New( geometry, shader );
505 DALI_ASSERT_DEBUG( textures );
506 mImpl->mRenderer.SetTextures( textures );
508 //Register transform properties
509 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
512 void ImageVisual::CreateNativeImageRenderer( NativeImage& nativeImage )
517 std::string fragmentShader;
518 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
519 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
523 fragmentShader = fragmentPreFix;
524 fragmentShader += "\n";
527 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
529 fragmentShader += mImpl->mCustomShader->mFragmentShader;
533 fragmentShader += FRAGMENT_SHADER_NO_ATLAS;
536 if( customSamplerTypename )
538 fragmentShader.replace( fragmentShader.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
541 if( !mImpl->mCustomShader )
543 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
545 shader = Shader::New( VERTEX_SHADER, fragmentShader );
546 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
550 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
551 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
553 mImpl->mCustomShader->mHints );
554 if( mImpl->mCustomShader->mVertexShader.empty() )
556 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
560 mImpl->mRenderer = Renderer::New( geometry, shader );
562 //Register transform properties
563 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
567 bool ImageVisual::IsSynchronousResourceLoading() const
569 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
572 void ImageVisual::LoadResourceSynchronously()
574 if( mImageUrl.IsValid() )
576 BitmapLoader loader = BitmapLoader::New( mImageUrl.GetUrl(), mDesiredSize, mFittingMode, mSamplingMode );
578 mPixels = loader.GetPixelData();
582 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, bool synchronousLoading, bool attemptAtlasing )
584 TextureSet textureSet;
585 textureRect = FULL_TEXTURE_RECT;
586 if( synchronousLoading )
591 textureSet = TextureSet::New();
592 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
596 if( attemptAtlasing )
598 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
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 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, mPixels.GetPixelFormat(),
605 mPixels.GetWidth(), mPixels.GetHeight() );
606 texture.Upload( mPixels );
607 textureSet = TextureSet::New();
608 textureSet.SetTexture( 0u, texture );
614 if( attemptAtlasing )
616 textureSet = mFactoryCache.GetAtlasManager()->Add( textureRect, mImageUrl.GetUrl(), mDesiredSize, mFittingMode, true, this );
617 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
619 if( !textureSet ) // big image, no atlasing or atlasing failed
621 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
622 ResourceImage resourceImage = Dali::ResourceImage::New( mImageUrl.GetUrl(), mDesiredSize, mFittingMode, mSamplingMode );
623 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
624 textureSet = TextureSet::New();
625 TextureSetImage( textureSet, 0u, resourceImage );
629 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
631 Sampler sampler = Sampler::New();
632 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
633 textureSet.SetSampler( 0u, sampler );
638 void ImageVisual::InitializeRenderer()
640 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
642 if( !mImpl->mCustomShader && mImageUrl.GetLocation() == VisualUrl::LOCAL )
644 bool defaultWrapMode = mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE;
647 // texture set has to be created first as we need to know if atlasing succeeded or not
648 // when selecting the shader
649 TextureSet textures = CreateTextureSet( atlasRect, IsSynchronousResourceLoading(), mAttemptAtlasing );
650 CreateRenderer( textures );
652 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
654 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
655 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
657 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
658 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
659 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
665 // for custom shader or remote image, atlas is not applied
666 Vector4 atlasRect; // ignored in this case
667 TextureSet textures = CreateTextureSet( atlasRect, IsSynchronousResourceLoading(), false );
668 CreateRenderer( textures );
672 void ImageVisual::InitializeRenderer( const Image& image )
674 // don't reuse CreateTextureSet
675 TextureSet textures = TextureSet::New();
677 // Renderer can't be shared if mImage is NativeImage
678 NativeImage nativeImage = NativeImage::DownCast( image );
681 CreateNativeImageRenderer( nativeImage );
682 DALI_ASSERT_DEBUG( textures );
683 mImpl->mRenderer.SetTextures( textures );
687 // reuse existing code for regular images
688 CreateRenderer( textures );
690 ApplyImageToSampler( image );
693 void ImageVisual::UploadCompleted()
695 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
696 Actor actor = mPlacementActor.GetHandle();
699 actor.AddRenderer( mImpl->mRenderer );
700 // reset the weak handle so that the renderer only get added to actor once
701 mPlacementActor.Reset();
705 void ImageVisual::DoSetOnStage( Actor& actor )
707 if( mImageUrl.IsValid() )
709 InitializeRenderer();
713 InitializeRenderer( mImage );
716 if ( !mImpl->mRenderer )
721 mPlacementActor = actor;
723 if( mPixelArea != FULL_TEXTURE_RECT )
725 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
728 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
730 actor.AddRenderer( mImpl->mRenderer );
731 mPlacementActor.Reset();
735 void ImageVisual::DoSetOffStage( Actor& actor )
737 // Visual::Base::SetOffStage only calls DoSetOffStage if mRenderer exists (is on onstage)
739 //If we own the image then make sure we release it when we go off stage
740 actor.RemoveRenderer( mImpl->mRenderer);
741 if( mImageUrl.IsValid() )
743 RemoveFromAtlas( mImageUrl.GetUrl() );
747 mImpl->mRenderer.Reset();
748 mPlacementActor.Reset();
751 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
754 map.Insert( Toolkit::DevelVisual::Property::TYPE, Toolkit::Visual::IMAGE );
756 bool sync = IsSynchronousResourceLoading();
757 map.Insert( SYNCHRONOUS_LOADING, sync );
758 if( mImageUrl.IsValid() )
760 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl.GetUrl() );
761 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
762 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
766 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
767 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
769 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
772 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
776 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
777 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
779 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
780 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
781 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
783 map.Insert( Toolkit::DevelImageVisual::Property::ATLASING, mAttemptAtlasing );
786 void ImageVisual::DoCreateInstancePropertyMap( Property::Map& map ) const
789 map.Insert( Toolkit::DevelVisual::Property::TYPE, Toolkit::Visual::IMAGE );
790 if( mImageUrl.IsValid() )
792 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
793 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
797 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
798 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
802 void ImageVisual::OnSetTransform()
804 if( mImpl->mRenderer )
806 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
810 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
815 if( defaultTextureWrapping )
817 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
820 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
821 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
822 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
827 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
830 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
831 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
832 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
838 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
841 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
842 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
843 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
850 void ImageVisual::ApplyImageToSampler( const Image& image )
854 TextureSet textureSet = mImpl->mRenderer.GetTextures();
855 DALI_ASSERT_DEBUG( textureSet ); // texture set should always exist by this time
857 TextureSetImage( textureSet, 0u, image );
858 Sampler sampler = Sampler::New();
859 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
860 textureSet.SetSampler( 0u, sampler );
864 void ImageVisual::OnImageLoaded( ResourceImage image )
866 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
868 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
869 if( mImpl->mRenderer )
871 ApplyImageToSampler( brokenImage );
876 void ImageVisual::RemoveFromAtlas(const std::string& url)
878 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
879 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
880 if( index != Property::INVALID_INDEX )
882 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
883 atlasRectValue.Get( atlasRect );
886 TextureSet textureSet = mImpl->mRenderer.GetTextures();
887 mImpl->mRenderer.Reset();
889 if( index != Property::INVALID_INDEX )
891 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
895 } // namespace Internal
897 } // namespace Toolkit