/*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 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.
// CLASS HEADER
#include <dali-toolkit/internal/visuals/npatch-loader.h>
-// EXTERNAL HEADER
+// INTERNAL HEADERS
+#include <dali-toolkit/internal/visuals/rendering-addon.h>
+
+// EXTERNAL HEADERS
#include <dali/devel-api/common/hash.h>
-#include <dali/devel-api/images/texture-set-image.h>
+#include <dali/integration-api/debug.h>
namespace Dali
{
namespace Internal
{
+namespace
+{
+
+constexpr auto INVALID_CACHE_INDEX = int32_t{-1}; ///< Invalid Cache index
+constexpr auto UNINITIALIZED_ID = int32_t{0}; ///< uninitialised id, use to initialize ids
+
+} // Anonymous namespace
+
NPatchLoader::NPatchLoader()
+: mCurrentNPatchDataId(0)
{
}
{
}
-std::size_t NPatchLoader::Load( const std::string& url )
+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 hash = CalculateHash( url );
- OwnerContainer< Data* >::SizeType index = UNINITIALIZED_ID;
- const OwnerContainer< Data* >::SizeType count = mCache.Count();
+ OwnerContainer< NPatchData* >::SizeType index = UNINITIALIZED_ID;
+ const OwnerContainer< NPatchData* >::SizeType count = mCache.Count();
+
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)
{
- return index+1u; // valid indices are from 1 onwards
+ // Use cached data
+ if( mCache[ index ]->GetBorder() == border )
+ {
+ if( mCache[ index ]->GetLoadingState() == NPatchData::LoadingState::LOADING )
+ {
+ mCache[ index ]->AddObserver( textureObserver );
+ }
+ return mCache[ index ]->GetId(); // valid indices are from 1 onwards
+ }
+ else
+ {
+ if( mCache[ index ]->GetLoadingState() == NPatchData::LoadingState::LOAD_COMPLETE )
+ {
+ // Same url but border is different - use the existing texture
+ NPatchData* newData = new NPatchData();
+ newData->SetId(GenerateUniqueNPatchDataId());
+ newData->SetHash(hash);
+ newData->SetUrl(url);
+ newData->SetCroppedWidth(mCache[ index ]->GetCroppedWidth());
+ newData->SetCroppedHeight(mCache[ index ]->GetCroppedHeight());
+
+ newData->SetTextures(mCache[ index ]->GetTextures());
+
+ NPatchUtility::StretchRanges stretchRangesX;
+ 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, ( (newData->GetCroppedWidth() >= static_cast< unsigned int >( border.bottom )) ? newData->GetCroppedHeight() - border.bottom : 0 ) ) );
+
+ newData->SetStretchPixelsX(stretchRangesX);
+ newData->SetStretchPixelsY(stretchRangesY);
+ newData->SetBorder(border);
+
+ newData->SetPreMultiplyOnLoad(mCache[ index ]->IsPreMultiplied());
+
+ newData->SetLoadingState(NPatchData::LoadingState::LOAD_COMPLETE);
+ newData->AddObserver( textureObserver );
+
+ mCache.PushBack( newData );
+
+ return newData->GetId(); // valid ids start from 1u
+ }
+ }
}
}
}
- // got to the end so no match, decode N patch and append new item to cache
- NinePatchImage ninePatch = NinePatchImage::New( url );
- if( ninePatch )
+
+ // 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,
+ data, true, preMultiplyOnLoading );
+
+ if( pixelBuffer )
+ {
+ preMultiplyOnLoad = ( preMultiplyOnLoading == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD ) ? true : false;
+ data->SetLoadedNPatchData( pixelBuffer, preMultiplyOnLoad );
+ }
+
+ return data->GetId();
+}
+
+int32_t NPatchLoader::GetCacheIndexFromId( const NPatchData::NPatchDataId id )
+{
+ const unsigned int size = mCache.Count();
+
+ for( unsigned int i = 0; i < size; ++i )
{
- BufferImage croppedImage = ninePatch.CreateCroppedBufferImage();
- if( croppedImage )
+ if( mCache[i]->GetId() == id )
{
- Data* data = new Data();
- data->hash = hash;
- data->url = url;
- data->textureSet = TextureSet::New();
- TextureSetImage( data->textureSet, 0u, croppedImage );
- data->croppedWidth = croppedImage.GetWidth();
- data->croppedHeight = croppedImage.GetHeight();
- data->stretchPixelsX = ninePatch.GetStretchPixelsX();
- data->stretchPixelsY = ninePatch.GetStretchPixelsY();
- mCache.PushBack( data );
-
- return mCache.Count(); // valid ids start from 1u
+ return i;
}
}
- return 0u;
+
+ return INVALID_CACHE_INDEX;
}
-bool NPatchLoader::GetNPatchData( std::size_t id, const Data*& data )
+bool NPatchLoader::GetNPatchData( const NPatchData::NPatchDataId id, const NPatchData*& data )
{
- 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
+ data = mCache[cacheIndex];
return true;
}
- data = NULL;
+ data = nullptr;
return false;
}
+void NPatchLoader::Remove( std::size_t id, TextureUploadObserver* textureObserver )
+{
+ int32_t cacheIndex = GetCacheIndexFromId(id);
+ if( cacheIndex == INVALID_CACHE_INDEX )
+ {
+ return;
+ }
+
+ NPatchData* data;
+ data = mCache[cacheIndex];
+
+ data->RemoveObserver(textureObserver);
+
+ if(data->GetObserverCount() == 0)
+ {
+ mCache.Erase( mCache.Begin() + cacheIndex );
+ }
+}
+
} // namespace Internal
} // namespace Toolkit
projects / platform / core / uifw / dali-toolkit.git / blobdiff