/*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 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.
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 VisualUrl& url, const Rect<int>& border, bool& preMultiplyOnLoad, bool synchronousLoading)
{
- std::size_t hash = CalculateHash(url);
- OwnerContainer<NPatchData*>::SizeType index = UNINITIALIZED_ID;
- const OwnerContainer<NPatchData*>::SizeType count = mCache.Count();
+ NPatchData* data = GetNPatchData(url, border, preMultiplyOnLoad);
- for(; index < count; ++index)
+ DALI_ASSERT_ALWAYS(data && "NPatchData creation failed!");
+
+ if(data->GetLoadingState() == NPatchData::LoadingState::LOAD_COMPLETE)
{
- if(mCache[index]->GetHash() == hash)
+ if(!synchronousLoading)
{
- // hash match, check url as well in case of hash collision
- if(mCache[index]->GetUrl() == url)
+ // NotifyObserver already done, so
+ // data will not iterate observer list.
+ // We need to call LoadComplete directly.
+ data->NotifyObserver(textureObserver, true);
+ }
+ }
+ else // if NOT_STARTED or LOADING or LOAD_FAILED, try to reload.
+ {
+ if(!synchronousLoading)
+ {
+ data->AddObserver(textureObserver);
+ // If still LOADING and async, don't need to request reload. Fast return.
+ if(data->GetLoadingState() == NPatchData::LoadingState::LOADING)
{
- // 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);
+ return data->GetId();
+ }
+ }
- newData->SetPreMultiplyOnLoad(mCache[index]->IsPreMultiplied());
+ data->SetLoadingState(NPatchData::LoadingState::LOADING);
- newData->SetLoadingState(NPatchData::LoadingState::LOAD_COMPLETE);
- newData->AddObserver(textureObserver);
+ auto preMultiplyOnLoading = preMultiplyOnLoad ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD
+ : TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
- mCache.PushBack(newData);
+ Devel::PixelBuffer pixelBuffer = textureManager.LoadPixelBuffer(url, Dali::ImageDimensions(), FittingMode::DEFAULT, SamplingMode::BOX_THEN_LINEAR, synchronousLoading, data, true, preMultiplyOnLoading);
- return newData->GetId(); // valid ids start from 1u
- }
- }
- }
+ if(pixelBuffer)
+ {
+ preMultiplyOnLoad = (preMultiplyOnLoading == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD) ? true : false;
+ data->SetLoadedNPatchData(pixelBuffer, preMultiplyOnLoad);
+ }
+ else if(synchronousLoading)
+ {
+ data->SetLoadingState(NPatchData::LoadingState::LOAD_FAILED);
}
}
-
- // 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();
+ const unsigned int size = mCache.size();
for(unsigned int i = 0; i < size; ++i)
{
- if(mCache[i]->GetId() == id)
+ if(mCache[i].mData->GetId() == id)
{
return i;
}
int32_t cacheIndex = GetCacheIndexFromId(id);
if(cacheIndex != INVALID_CACHE_INDEX)
{
- data = mCache[cacheIndex];
+ data = mCache[cacheIndex].mData;
return true;
}
data = nullptr;
return;
}
- NPatchData* data;
- data = mCache[cacheIndex];
+ NPatchInfo& info(mCache[cacheIndex]);
- data->RemoveObserver(textureObserver);
+ info.mData->RemoveObserver(textureObserver);
- if(data->GetObserverCount() == 0)
+ if(--info.mReferenceCount <= 0)
{
- mCache.Erase(mCache.Begin() + cacheIndex);
+ mCache.erase(mCache.begin() + cacheIndex);
}
}
+NPatchData* NPatchLoader::GetNPatchData(const VisualUrl& url, const Rect<int>& border, bool& preMultiplyOnLoad)
+{
+ std::size_t hash = CalculateHash(url.GetUrl());
+ std::vector<NPatchInfo>::size_type index = UNINITIALIZED_ID;
+ const std::vector<NPatchInfo>::size_type count = mCache.size();
+
+ NPatchInfo* infoPtr = nullptr;
+
+ for(; index < count; ++index)
+ {
+ if(mCache[index].mData->GetHash() == hash)
+ {
+ // hash match, check url as well in case of hash collision
+ if(mCache[index].mData->GetUrl().GetUrl() == url.GetUrl())
+ {
+ // Use cached data. Need to fast-out return.
+ if(mCache[index].mData->GetBorder() == border)
+ {
+ mCache[index].mReferenceCount++;
+ return mCache[index].mData;
+ }
+ else
+ {
+ if(mCache[index].mData->GetLoadingState() == NPatchData::LoadingState::LOAD_COMPLETE)
+ {
+ // If we only found LOAD_FAILED case, replace current data. We can reuse texture
+ if(infoPtr == nullptr || infoPtr->mData->GetLoadingState() != NPatchData::LoadingState::LOAD_COMPLETE)
+ {
+ infoPtr = &mCache[index];
+ }
+ }
+ // Still loading pixel buffer. We cannot reuse cached texture yet. Skip checking
+ else if(mCache[index].mData->GetLoadingState() == NPatchData::LoadingState::LOADING)
+ {
+ continue;
+ }
+ // if LOAD_FAILED, reuse this cached NPatchData, and try to load again.
+ else
+ {
+ if(infoPtr == nullptr)
+ {
+ infoPtr = &mCache[index];
+ }
+ }
+ }
+ }
+ }
+ }
+
+ // If this is new image loading, make new cache data
+ if(infoPtr == nullptr)
+ {
+ NPatchInfo info(new NPatchData());
+ info.mData->SetId(GenerateUniqueNPatchDataId());
+ info.mData->SetHash(hash);
+ info.mData->SetUrl(url);
+ info.mData->SetBorder(border);
+ info.mData->SetPreMultiplyOnLoad(preMultiplyOnLoad);
+
+ mCache.emplace_back(std::move(info));
+ infoPtr = &mCache.back();
+ }
+ // Else if LOAD_COMPLETE, Same url but border is different - use the existing texture
+ else if(infoPtr->mData->GetLoadingState() == NPatchData::LoadingState::LOAD_COMPLETE)
+ {
+ NPatchInfo info(new NPatchData());
+
+ info.mData->SetId(GenerateUniqueNPatchDataId());
+ info.mData->SetHash(hash);
+ info.mData->SetUrl(url);
+ info.mData->SetCroppedWidth(infoPtr->mData->GetCroppedWidth());
+ info.mData->SetCroppedHeight(infoPtr->mData->GetCroppedHeight());
+
+ info.mData->SetTextures(infoPtr->mData->GetTextures());
+
+ NPatchUtility::StretchRanges stretchRangesX;
+ stretchRangesX.PushBack(Uint16Pair(border.left, ((info.mData->GetCroppedWidth() >= static_cast<unsigned int>(border.right)) ? info.mData->GetCroppedHeight() - border.right : 0)));
+
+ NPatchUtility::StretchRanges stretchRangesY;
+ stretchRangesY.PushBack(Uint16Pair(border.top, ((info.mData->GetCroppedWidth() >= static_cast<unsigned int>(border.bottom)) ? info.mData->GetCroppedHeight() - border.bottom : 0)));
+
+ info.mData->SetStretchPixelsX(stretchRangesX);
+ info.mData->SetStretchPixelsY(stretchRangesY);
+ info.mData->SetBorder(border);
+
+ info.mData->SetPreMultiplyOnLoad(infoPtr->mData->IsPreMultiplied());
+
+ info.mData->SetLoadingState(NPatchData::LoadingState::LOAD_COMPLETE);
+
+ mCache.emplace_back(std::move(info));
+ infoPtr = &mCache.back();
+ }
+ // Else, LOAD_FAILED. just increase reference so we can reuse it.
+ else
+ {
+ infoPtr->mReferenceCount++;
+ }
+
+ DALI_ASSERT_ALWAYS(infoPtr && "NPatchInfo creation failed!");
+
+ return infoPtr->mData;
+}
+
} // namespace Internal
} // namespace Toolkit
projects / platform / core / uifw / dali-toolkit.git / blobdiff