- /*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
namespace Dali
{
-
namespace Toolkit
{
-
namespace Internal
{
-
-namespace NPatchBuffer
-{
-
-void SetLoadedNPatchData( NPatchLoader::Data* data, Devel::PixelBuffer& pixelBuffer )
+namespace
{
- if( data->border == Rect< int >( 0, 0, 0, 0 ) )
- {
- NPatchUtility::ParseBorders( pixelBuffer, data->stretchPixelsX, data->stretchPixelsY );
-
- // Crop the image
- pixelBuffer.Crop( 1, 1, pixelBuffer.GetWidth() - 2, pixelBuffer.GetHeight() - 2 );
- }
- else
- {
- data->stretchPixelsX.PushBack( Uint16Pair( data->border.left, ( (pixelBuffer.GetWidth() >= static_cast< unsigned int >( data->border.right )) ? pixelBuffer.GetWidth() - data->border.right : 0 ) ) );
- data->stretchPixelsY.PushBack( Uint16Pair( data->border.top, ( (pixelBuffer.GetHeight() >= static_cast< unsigned int >( data->border.bottom )) ? pixelBuffer.GetHeight() - data->border.bottom : 0 ) ) );
- }
-
- data->croppedWidth = pixelBuffer.GetWidth();
- data->croppedHeight = pixelBuffer.GetHeight();
+constexpr auto INVALID_CACHE_INDEX = int32_t{-1}; ///< Invalid Cache index
+constexpr auto UNINITIALIZED_ID = int32_t{0}; ///< uninitialised id, use to initialize ids
- // Create opacity map
- data->renderingMap = RenderingAddOn::Get().IsValid() ? RenderingAddOn::Get().BuildNPatch(pixelBuffer, data ) : nullptr;
+} // Anonymous namespace
- PixelData pixels = Devel::PixelBuffer::Convert( pixelBuffer ); // takes ownership of buffer
-
- Texture texture = Texture::New( TextureType::TEXTURE_2D, pixels.GetPixelFormat(), pixels.GetWidth(), pixels.GetHeight() );
- texture.Upload( pixels );
-
- data->textureSet = TextureSet::New();
- data->textureSet.SetTexture( 0u, texture );
-
- data->loadCompleted = true;
-}
-
-} // namespace NPatchBuffer
-
-NPatchLoader::Data::~Data()
+NPatchLoader::NPatchLoader()
+: mCurrentNPatchDataId(0)
{
- // If there is an opacity map, it has to be destroyed using addon call
- if( renderingMap )
- {
- RenderingAddOn::Get().DestroyNPatch( renderingMap );
- }
}
-NPatchLoader::NPatchLoader()
+NPatchLoader::~NPatchLoader()
{
}
-NPatchLoader::~NPatchLoader()
+NPatchData::NPatchDataId NPatchLoader::GenerateUniqueNPatchDataId()
{
+ return mCurrentNPatchDataId++;
}
-std::size_t NPatchLoader::Load( TextureManager& textureManager, TextureUploadObserver* textureObserver, const std::string& url, const Rect< int >& border, bool& preMultiplyOnLoad, bool synchronousLoading )
+std::size_t NPatchLoader::Load(TextureManager& textureManager, TextureUploadObserver* textureObserver, const std::string& url, const Rect<int>& border, bool& preMultiplyOnLoad, bool synchronousLoading)
{
- std::size_t hash = CalculateHash( url );
- OwnerContainer< Data* >::SizeType index = UNINITIALIZED_ID;
- const OwnerContainer< Data* >::SizeType count = mCache.Count();
- int cachedIndex = -1;
- Data* data;
+ std::size_t hash = CalculateHash(url);
+ OwnerContainer<NPatchData*>::SizeType index = UNINITIALIZED_ID;
+ const OwnerContainer<NPatchData*>::SizeType count = mCache.Count();
- for( ; index < count; ++index )
+ for(; index < count; ++index)
{
- if( mCache[ index ]->hash == hash )
+ if(mCache[index]->GetHash() == hash)
{
// hash match, check url as well in case of hash collision
- if( mCache[ index ]->url == url )
+ if(mCache[index]->GetUrl() == url)
{
// Use cached data
- if( mCache[ index ]->border == border )
+ if(mCache[index]->GetBorder() == border)
{
- if( mCache[ index ]->loadCompleted )
+ if(mCache[index]->GetLoadingState() == NPatchData::LoadingState::LOADING)
{
- return index + 1u; // valid indices are from 1 onwards
+ mCache[index]->AddObserver(textureObserver);
}
- mCache[ index ]->observerList.PushBack( textureObserver );
- data = mCache[ index ];
- return index + 1u; // valid indices are from 1 onwards
+ return mCache[index]->GetId(); // valid indices are from 1 onwards
}
else
{
- if( mCache[ index ]->loadCompleted )
+ if(mCache[index]->GetLoadingState() == NPatchData::LoadingState::LOAD_COMPLETE)
{
// Same url but border is different - use the existing texture
- Data* data = new Data();
- data->hash = hash;
- data->url = url;
- data->croppedWidth = mCache[ index ]->croppedWidth;
- data->croppedHeight = mCache[ index ]->croppedHeight;
+ NPatchData* newData = new NPatchData();
+ newData->SetId(GenerateUniqueNPatchDataId());
+ newData->SetHash(hash);
+ newData->SetUrl(url);
+ newData->SetCroppedWidth(mCache[index]->GetCroppedWidth());
+ newData->SetCroppedHeight(mCache[index]->GetCroppedHeight());
- data->textureSet = mCache[ index ]->textureSet;
+ newData->SetTextures(mCache[index]->GetTextures());
NPatchUtility::StretchRanges stretchRangesX;
- stretchRangesX.PushBack( Uint16Pair( border.left, ( (data->croppedWidth >= static_cast< unsigned int >( border.right )) ? data->croppedWidth - border.right : 0 ) ) );
+ stretchRangesX.PushBack(Uint16Pair(border.left, ((newData->GetCroppedWidth() >= static_cast<unsigned int>(border.right)) ? newData->GetCroppedHeight() - border.right : 0)));
NPatchUtility::StretchRanges stretchRangesY;
- stretchRangesY.PushBack( Uint16Pair( border.top, ( (data->croppedHeight >= static_cast< unsigned int >( border.bottom )) ? data->croppedHeight - border.bottom : 0 ) ) );
+ stretchRangesY.PushBack(Uint16Pair(border.top, ((newData->GetCroppedWidth() >= static_cast<unsigned int>(border.bottom)) ? newData->GetCroppedHeight() - border.bottom : 0)));
+
+ newData->SetStretchPixelsX(stretchRangesX);
+ newData->SetStretchPixelsY(stretchRangesY);
+ newData->SetBorder(border);
- data->stretchPixelsX = stretchRangesX;
- data->stretchPixelsY = stretchRangesY;
- data->border = border;
+ newData->SetPreMultiplyOnLoad(mCache[index]->IsPreMultiplied());
- data->loadCompleted = mCache[ index ]->loadCompleted;
+ newData->SetLoadingState(NPatchData::LoadingState::LOAD_COMPLETE);
+ newData->AddObserver(textureObserver);
- mCache.PushBack( data );
+ mCache.PushBack(newData);
- return mCache.Count(); // valid ids start from 1u
+ return newData->GetId(); // valid ids start from 1u
}
}
}
}
}
- if( cachedIndex == -1 )
- {
- data = new Data();
- data->loadCompleted = false;
- data->hash = hash;
- data->url = url;
- data->border = border;
-
- mCache.PushBack( data );
-
- cachedIndex = mCache.Count();
- }
+ // If this is new image loading, make new cache data
+ NPatchData* data;
+ data = new NPatchData();
+ data->SetId(GenerateUniqueNPatchDataId());
+ data->SetHash(hash);
+ data->SetUrl(url);
+ data->SetBorder(border);
+ data->SetPreMultiplyOnLoad(preMultiplyOnLoad);
+ data->AddObserver(textureObserver);
+ mCache.PushBack(data);
auto preMultiplyOnLoading = preMultiplyOnLoad ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD
: TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
- Devel::PixelBuffer pixelBuffer = textureManager.LoadPixelBuffer( url, Dali::ImageDimensions(), FittingMode::DEFAULT,
- SamplingMode::BOX_THEN_LINEAR, synchronousLoading,
- textureObserver, true, preMultiplyOnLoading );
- if( pixelBuffer )
+ Devel::PixelBuffer pixelBuffer = textureManager.LoadPixelBuffer(url, Dali::ImageDimensions(), FittingMode::DEFAULT, SamplingMode::BOX_THEN_LINEAR, synchronousLoading, data, true, preMultiplyOnLoading);
+
+ if(pixelBuffer)
{
- NPatchBuffer::SetLoadedNPatchData( data, pixelBuffer );
- preMultiplyOnLoad = ( preMultiplyOnLoading == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD ) ? true : false;
+ preMultiplyOnLoad = (preMultiplyOnLoading == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD) ? true : false;
+ data->SetLoadedNPatchData(pixelBuffer, preMultiplyOnLoad);
}
- return cachedIndex;
+ return data->GetId();
}
-void NPatchLoader::SetNPatchData( bool loadSuccess, std::size_t id, Devel::PixelBuffer& pixelBuffer, const Internal::VisualUrl& url, bool preMultiplied )
+int32_t NPatchLoader::GetCacheIndexFromId(const NPatchData::NPatchDataId id)
{
- Data* data;
- data = mCache[ id - 1u ];
+ const unsigned int size = mCache.Count();
- // To prevent recursion.
- // data->loadCompleted will be set true in the NPatchBuffer::SetLoadedNPatchData when the first observer called this method.
- if( data->loadCompleted )
+ for(unsigned int i = 0; i < size; ++i)
{
- return;
+ if(mCache[i]->GetId() == id)
+ {
+ return i;
+ }
}
- NPatchBuffer::SetLoadedNPatchData( data, pixelBuffer );
+ return INVALID_CACHE_INDEX;
+}
- while( data->observerList.Count() )
+bool NPatchLoader::GetNPatchData(const NPatchData::NPatchDataId id, const NPatchData*& data)
+{
+ int32_t cacheIndex = GetCacheIndexFromId(id);
+ if(cacheIndex != INVALID_CACHE_INDEX)
{
- TextureUploadObserver* observer = data->observerList[0];
- observer->LoadComplete( loadSuccess, Devel::PixelBuffer(), url, preMultiplied );
- data->observerList.Erase( data->observerList.begin() );
+ data = mCache[cacheIndex];
+ return true;
}
+ data = nullptr;
+ return false;
}
-bool NPatchLoader::GetNPatchData( std::size_t id, const Data*& data )
+void NPatchLoader::Remove(std::size_t id, TextureUploadObserver* textureObserver)
{
- if( ( id > UNINITIALIZED_ID )&&( id <= mCache.Count() ) )
+ int32_t cacheIndex = GetCacheIndexFromId(id);
+ if(cacheIndex == INVALID_CACHE_INDEX)
{
- data = mCache[ id - 1u ]; // id's start from 1u
- return true;
+ return;
+ }
+
+ NPatchData* data;
+ data = mCache[cacheIndex];
+
+ data->RemoveObserver(textureObserver);
+
+ if(data->GetObserverCount() == 0)
+ {
+ mCache.Erase(mCache.Begin() + cacheIndex);
}
- data = NULL;
- return false;
}
} // namespace Internal
projects / platform / core / uifw / dali-toolkit.git / blobdiff