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 );
190 geometry = VisualFactoryCache::CreateQuadGeometry();
191 factoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
196 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
202 } // unnamed namespace
204 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
205 const std::string& imageUrl,
206 const Property::Map& properties,
207 ImageDimensions size,
208 FittingMode::Type fittingMode,
209 Dali::SamplingMode::Type samplingMode )
211 ImageVisualPtr imageVisualPtr( new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode ) );
212 imageVisualPtr->SetProperties( properties );
213 return imageVisualPtr;
216 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache,
217 const std::string& imageUrl,
218 ImageDimensions size,
219 FittingMode::Type fittingMode,
220 Dali::SamplingMode::Type samplingMode )
222 return new ImageVisual( factoryCache, imageUrl, size, fittingMode, samplingMode );
225 ImageVisualPtr ImageVisual::New( VisualFactoryCache& factoryCache, const Image& image )
227 return new ImageVisual( factoryCache, image );
230 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache,
231 const std::string& imageUrl,
232 ImageDimensions size,
233 FittingMode::Type fittingMode,
234 Dali::SamplingMode::Type samplingMode )
235 : Visual::Base( factoryCache ),
238 mPixelArea( FULL_TEXTURE_RECT ),
240 mImageUrl( imageUrl ),
241 mDesiredSize( size ),
242 mFittingMode( fittingMode ),
243 mSamplingMode( samplingMode ),
244 mWrapModeU( WrapMode::DEFAULT ),
245 mWrapModeV( WrapMode::DEFAULT )
249 ImageVisual::ImageVisual( VisualFactoryCache& factoryCache, const Image& image )
250 : Visual::Base( factoryCache ),
253 mPixelArea( FULL_TEXTURE_RECT ),
257 mFittingMode( FittingMode::DEFAULT ),
258 mSamplingMode( SamplingMode::DEFAULT ),
259 mWrapModeU( WrapMode::DEFAULT ),
260 mWrapModeV( WrapMode::DEFAULT )
264 ImageVisual::~ImageVisual()
268 void ImageVisual::DoSetProperties( const Property::Map& propertyMap )
270 // Url is already received in constructor
271 Property::Value* fittingValue = propertyMap.Find( Toolkit::ImageVisual::Property::FITTING_MODE, IMAGE_FITTING_MODE );
275 Scripting::GetEnumerationProperty( *fittingValue, FITTING_MODE_TABLE, FITTING_MODE_TABLE_COUNT, value );
276 mFittingMode = Dali::FittingMode::Type( value );
279 Property::Value* samplingValue = propertyMap.Find( Toolkit::ImageVisual::Property::SAMPLING_MODE, IMAGE_SAMPLING_MODE );
283 Scripting::GetEnumerationProperty( *samplingValue, SAMPLING_MODE_TABLE, SAMPLING_MODE_TABLE_COUNT, value );
284 mSamplingMode = Dali::SamplingMode::Type( value );
287 // Use a variable to detect if the width or height have been modified by the property map.
288 bool desiredSizeSpecified = false;
289 int desiredWidth = 0;
290 Property::Value* desiredWidthValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_WIDTH, IMAGE_DESIRED_WIDTH );
291 if( desiredWidthValue )
293 desiredWidthValue->Get( desiredWidth );
294 desiredSizeSpecified = true;
297 int desiredHeight = 0;
298 Property::Value* desiredHeightValue = propertyMap.Find( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, IMAGE_DESIRED_HEIGHT );
299 if( desiredHeightValue )
301 desiredHeightValue->Get( desiredHeight );
302 desiredSizeSpecified = true;
305 // Only update the desired size if specified in the property map.
306 if( desiredSizeSpecified )
308 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
311 Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
314 pixelAreaValue->Get( mPixelArea );
317 Property::Value* wrapModeValueU = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_U, IMAGE_WRAP_MODE_U );
321 Scripting::GetEnumerationProperty( *wrapModeValueU, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, value );
322 mWrapModeU = Dali::WrapMode::Type( value );
325 Property::Value* wrapModeValueV = propertyMap.Find( Toolkit::ImageVisual::Property::WRAP_MODE_V, IMAGE_WRAP_MODE_V );
329 Scripting::GetEnumerationProperty( *wrapModeValueV, WRAP_MODE_TABLE, WRAP_MODE_TABLE_COUNT, value );
330 mWrapModeV = Dali::WrapMode::Type( value );
333 Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
337 syncLoading->Get( sync );
340 mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
341 // if sync loading is required, the loading should start immediately when new image url is set or the actor is off stage
342 // ( for on-stage actor with image url unchanged, resource loading is already finished)
343 if( mImageUrl.size() > 0u )
345 LoadResourceSynchronously();
350 mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
355 void ImageVisual::GetNaturalSize( Vector2& naturalSize )
359 naturalSize.x = mImage.GetWidth();
360 naturalSize.y = mImage.GetHeight();
363 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
365 naturalSize.x = mDesiredSize.GetWidth();
366 naturalSize.y = mDesiredSize.GetHeight();
369 else if( !mImageUrl.empty() )
371 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
372 naturalSize.x = dimentions.GetWidth();
373 naturalSize.y = dimentions.GetHeight();
377 naturalSize = Vector2::ZERO;
380 void ImageVisual::CreateRenderer( TextureSet& textures )
385 if( !mImpl->mCustomShader )
387 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
389 shader = GetImageShader( mFactoryCache,
390 mImpl->mFlags & Impl::IS_ATLASING_APPLIED,
391 mWrapModeU <= WrapMode::CLAMP_TO_EDGE && mWrapModeV <= WrapMode::CLAMP_TO_EDGE );
395 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
396 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
398 shader = GetImageShader( mFactoryCache, false, true );
402 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
403 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER_NO_ATLAS : mImpl->mCustomShader->mFragmentShader,
404 mImpl->mCustomShader->mHints );
405 if( mImpl->mCustomShader->mVertexShader.empty() )
407 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
412 mImpl->mRenderer = Renderer::New( geometry, shader );
413 DALI_ASSERT_DEBUG( textures );
414 mImpl->mRenderer.SetTextures( textures );
416 //Register transform properties
417 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
420 void ImageVisual::CreateNativeImageRenderer( NativeImage& nativeImage )
425 std::string fragmentShader;
426 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
427 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
430 fragmentShader = fragmentPreFix;
431 fragmentShader += "\n";
433 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
435 fragmentShader += mImpl->mCustomShader->mFragmentShader;
439 fragmentShader += FRAGMENT_SHADER_NO_ATLAS;
441 if( customSamplerTypename )
443 fragmentShader.replace( fragmentShader.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
446 if( !mImpl->mCustomShader )
448 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
450 shader = Shader::New( VERTEX_SHADER, fragmentShader );
451 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
455 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
456 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
458 mImpl->mCustomShader->mHints );
459 if( mImpl->mCustomShader->mVertexShader.empty() )
461 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
465 mImpl->mRenderer = Renderer::New( geometry, shader );
467 //Register transform properties
468 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
472 bool ImageVisual::IsSynchronousResourceLoading() const
474 return mImpl->mFlags & Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
477 void ImageVisual::LoadResourceSynchronously()
479 if( !mImageUrl.empty() )
481 BitmapLoader loader = BitmapLoader::New( mImageUrl, mDesiredSize, mFittingMode, mSamplingMode );
483 mPixels = loader.GetPixelData();
487 TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::string& url, bool synchronousLoading, bool attemptAtlasing )
489 TextureSet textureSet;
490 textureRect = FULL_TEXTURE_RECT;
491 if( synchronousLoading )
496 textureSet = TextureSet::New();
497 TextureSetImage( textureSet, 0u, VisualFactoryCache::GetBrokenVisualImage() );
501 if( attemptAtlasing )
503 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, mPixels );
504 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
506 if( !textureSet ) // big image, no atlasing or atlasing failed
508 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
509 Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D, mPixels.GetPixelFormat(),
510 mPixels.GetWidth(), mPixels.GetHeight() );
511 texture.Upload( mPixels );
512 textureSet = TextureSet::New();
513 textureSet.SetTexture( 0u, texture );
519 if( attemptAtlasing )
521 textureSet = mFactoryCache.GetAtlasManager()->Add(textureRect, url, mDesiredSize, mFittingMode, true, this );
522 mImpl->mFlags |= Impl::IS_ATLASING_APPLIED;
524 if( !textureSet ) // big image, no atlasing or atlasing failed
526 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
527 ResourceImage resourceImage = Dali::ResourceImage::New( url, mDesiredSize, mFittingMode, mSamplingMode );
528 resourceImage.LoadingFinishedSignal().Connect( this, &ImageVisual::OnImageLoaded );
529 textureSet = TextureSet::New();
530 TextureSetImage( textureSet, 0u, resourceImage );
534 if( !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
536 Sampler sampler = Sampler::New();
537 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
538 textureSet.SetSampler( 0u, sampler );
543 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
545 mImageUrl = imageUrl;
546 mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
548 if( !mImpl->mCustomShader &&
549 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // dont atlas 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 defaultTransform = mImpl->mTransform.mSize == Vector2::ONE &&
554 mImpl->mTransform.mOffset == Vector2::ZERO &&
555 mImpl->mTransform.mOffsetSizeMode == Vector4::ZERO &&
556 mImpl->mTransform.mOrigin == Toolkit::Align::CENTER &&
557 mImpl->mTransform.mAnchorPoint == Toolkit::Align::CENTER;
559 bool cacheable = defaultWrapMode && defaultTransform && mPixelArea == FULL_TEXTURE_RECT;
562 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
563 if( cacheable ) // fetch the renderer from cache if exist
565 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
566 mImpl->mFlags |= Impl::IS_FROM_CACHE;
569 if( !mImpl->mRenderer ) // new renderer is needed
572 // texture set has to be created first as we need to know if atlasing succeeded or not
573 // when selecting the shader
574 TextureSet textures = CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), true );
575 CreateRenderer( textures );
577 if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED ) // the texture is packed inside atlas
579 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
580 if( !defaultWrapMode ) // custom wrap mode, renderer is not cached.
582 Vector2 wrapMode(mWrapModeU-WrapMode::CLAMP_TO_EDGE, mWrapModeV-WrapMode::CLAMP_TO_EDGE);
583 wrapMode.Clamp( Vector2::ZERO, Vector2( 2.f, 2.f ) );
584 mImpl->mRenderer.RegisterProperty( WRAP_MODE_UNIFORM_NAME, wrapMode );
588 // save the renderer to cache only when default wrap mode and default pixel area is used
591 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
597 // for custom shader or remote image, renderer is not cached and atlas is not applied
598 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
599 Vector4 atlasRect; // ignored in this case
600 TextureSet textures = CreateTextureSet( atlasRect, imageUrl, IsSynchronousResourceLoading(), false );
601 CreateRenderer( textures );
605 void ImageVisual::InitializeRenderer( const Image& image )
608 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
610 // don't reuse CreateTextureSet
611 TextureSet textures = TextureSet::New();
612 // Renderer can't be shared if mImage is NativeImage
613 NativeImage nativeImage = NativeImage::DownCast( image );
616 CreateNativeImageRenderer( nativeImage );
617 DALI_ASSERT_DEBUG( textures );
618 mImpl->mRenderer.SetTextures( textures );
622 // reuse existing code for regular images
623 CreateRenderer( textures );
625 ApplyImageToSampler( image );
628 void ImageVisual::UploadCompleted()
630 // Resource image is loaded. If weak handle is holding a placement actor, it is the time to add the renderer to actor.
631 Actor actor = mPlacementActor.GetHandle();
634 actor.AddRenderer( mImpl->mRenderer );
635 // reset the weak handle so that the renderer only get added to actor once
636 mPlacementActor.Reset();
640 void ImageVisual::DoSetOnStage( Actor& actor )
642 if( !mImageUrl.empty() )
644 InitializeRenderer( mImageUrl );
648 InitializeRenderer( mImage );
651 if ( !mImpl->mRenderer)
656 mPlacementActor = actor;
658 if( mPixelArea != FULL_TEXTURE_RECT )
660 mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
663 if( IsSynchronousResourceLoading() || !(mImpl->mFlags & Impl::IS_ATLASING_APPLIED) )
665 actor.AddRenderer( mImpl->mRenderer );
666 mPlacementActor.Reset();
670 void ImageVisual::DoSetOffStage( Actor& actor )
672 // Visual::Base::SetOffStage only calls DoSetOffStage if mRenderer exists (is on onstage)
674 //If we own the image then make sure we release it when we go off stage
675 actor.RemoveRenderer( mImpl->mRenderer);
676 if( !mImageUrl.empty() )
678 CleanCache(mImageUrl);
682 mImpl->mRenderer.Reset();
683 mPlacementActor.Reset();
686 void ImageVisual::DoCreatePropertyMap( Property::Map& map ) const
689 map.Insert( Toolkit::DevelVisual::Property::TYPE, Toolkit::Visual::IMAGE );
691 bool sync = IsSynchronousResourceLoading();
692 map.Insert( SYNCHRONOUS_LOADING, sync );
693 if( !mImageUrl.empty() )
695 map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
696 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, mDesiredSize.GetWidth() );
697 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, mDesiredSize.GetHeight() );
701 map.Insert( Toolkit::ImageVisual::Property::DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
702 map.Insert( Toolkit::ImageVisual::Property::DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
704 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
707 map.Insert( Toolkit::ImageVisual::Property::URL, resourceImage.GetUrl() );
711 map.Insert( Toolkit::ImageVisual::Property::FITTING_MODE, mFittingMode );
712 map.Insert( Toolkit::ImageVisual::Property::SAMPLING_MODE, mSamplingMode );
714 map.Insert( Toolkit::ImageVisual::Property::PIXEL_AREA, mPixelArea );
715 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_U, mWrapModeU );
716 map.Insert( Toolkit::ImageVisual::Property::WRAP_MODE_V, mWrapModeV );
719 void ImageVisual::OnSetTransform()
721 if( mImpl->mRenderer )
723 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
727 Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlasing, bool defaultTextureWrapping )
732 if( defaultTextureWrapping )
734 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
737 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
738 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
739 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
744 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP );
747 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
748 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
749 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
755 shader = factoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER );
758 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
759 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
760 factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
767 void ImageVisual::ApplyImageToSampler( const Image& image )
771 TextureSet textureSet = mImpl->mRenderer.GetTextures();
772 DALI_ASSERT_DEBUG( textureSet ); // texture set should always exist by this time
774 TextureSetImage( textureSet, 0u, image );
775 Sampler sampler = Sampler::New();
776 sampler.SetWrapMode( mWrapModeU, mWrapModeV );
777 textureSet.SetSampler( 0u, sampler );
781 void ImageVisual::OnImageLoaded( ResourceImage image )
783 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
785 Image brokenImage = VisualFactoryCache::GetBrokenVisualImage();
786 if( mImpl->mRenderer )
788 ApplyImageToSampler( brokenImage );
793 void ImageVisual::CleanCache(const std::string& url)
797 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
798 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
799 if( index != Property::INVALID_INDEX )
801 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
802 atlasRectValue.Get( atlasRect );
805 TextureSet textureSet = mImpl->mRenderer.GetTextures();
806 mImpl->mRenderer.Reset();
807 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
809 mFactoryCache.GetAtlasManager()->Remove( textureSet, atlasRect );
814 } // namespace Internal
816 } // namespace Toolkit