-/*
- * Copyright (c) 2023 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-// CLASS HEADER
-#include <dali-toolkit/internal/visuals/npatch-data.h>
-
-// INTERNAL HEADERS
-#include <dali-toolkit/internal/visuals/rendering-addon.h>
-
-// EXTERNAL HEADERS
-#include <dali/integration-api/debug.h>
-
-namespace Dali
-{
-namespace Toolkit
-{
-namespace Internal
-{
-NPatchData::NPatchData()
-: mId(INVALID_NPATCH_DATA_ID),
- mUrl(),
- mTextureSet(),
- mHash(0),
- mCroppedWidth(0),
- mCroppedHeight(0),
- mBorder(0, 0, 0, 0),
- mLoadingState(LoadingState::NOT_STARTED),
- mRenderingMap{nullptr},
- mPreMultiplyOnLoad(false),
- mObserverNotifying(false)
-{
-}
-
-NPatchData::~NPatchData()
-{
- // If there is an opacity map, it has to be destroyed using addon call
- if(mRenderingMap)
- {
- RenderingAddOn::Get().DestroyNPatch(mRenderingMap);
- }
- mObserverList.Clear();
- mQueuedObservers.Clear();
-}
-
-void NPatchData::SetId(const NPatchDataId id)
-{
- mId = id;
-}
-
-NPatchData::NPatchDataId NPatchData::GetId() const
-{
- return mId;
-}
-
-void NPatchData::AddObserver(TextureUploadObserver* textureObserver)
-{
- if(mObserverNotifying)
- {
- // Do not add it into observer list during observer notifying.
- mQueuedObservers.PushBack(textureObserver);
- }
- else
- {
- mObserverList.PushBack(textureObserver);
- }
- textureObserver->DestructionSignal().Connect(this, &NPatchData::ObserverDestroyed);
-}
-
-void NPatchData::RemoveObserver(TextureUploadObserver* textureObserver)
-{
- for(uint32_t index = 0; index < mObserverList.Count(); ++index)
- {
- if(textureObserver == mObserverList[index])
- {
- textureObserver->DestructionSignal().Disconnect(this, &NPatchData::ObserverDestroyed);
- mObserverList.Erase(mObserverList.begin() + index);
- break;
- }
- }
-}
-
-uint32_t NPatchData::GetObserverCount() const
-{
- return mObserverList.Count();
-}
-
-void NPatchData::SetUrl(const VisualUrl& url)
-{
- mUrl = url;
-}
-
-VisualUrl NPatchData::GetUrl() const
-{
- return mUrl;
-}
-
-void NPatchData::SetTextures(const TextureSet textureSet)
-{
- mTextureSet = textureSet;
-}
-
-TextureSet NPatchData::GetTextures() const
-{
- return mTextureSet;
-}
-
-void NPatchData::SetStretchPixelsX(const NPatchUtility::StretchRanges stretchPixelsX)
-{
- mStretchPixelsX = stretchPixelsX;
-}
-
-void NPatchData::SetStretchPixelsY(const NPatchUtility::StretchRanges stretchPixelsY)
-{
- mStretchPixelsY = stretchPixelsY;
-}
-
-NPatchUtility::StretchRanges NPatchData::GetStretchPixelsX() const
-{
- return mStretchPixelsX;
-}
-
-NPatchUtility::StretchRanges NPatchData::GetStretchPixelsY() const
-{
- return mStretchPixelsY;
-}
-
-void NPatchData::SetHash(std::size_t hash)
-{
- mHash = hash;
-}
-
-std::size_t NPatchData::GetHash() const
-{
- return mHash;
-}
-
-void NPatchData::SetCroppedWidth(uint32_t croppedWidth)
-{
- mCroppedWidth = croppedWidth;
-}
-
-void NPatchData::SetCroppedHeight(uint32_t croppedHeight)
-{
- mCroppedHeight = croppedHeight;
-}
-
-uint32_t NPatchData::GetCroppedWidth() const
-{
- return mCroppedWidth;
-}
-
-uint32_t NPatchData::GetCroppedHeight() const
-{
- return mCroppedHeight;
-}
-
-void NPatchData::SetBorder(const Rect<int> border)
-{
- mBorder = border;
-}
-
-Rect<int> NPatchData::GetBorder() const
-{
- return mBorder;
-}
-
-void NPatchData::SetPreMultiplyOnLoad(bool preMultiplyOnLoad)
-{
- mPreMultiplyOnLoad = preMultiplyOnLoad;
-}
-
-bool NPatchData::IsPreMultiplied() const
-{
- return mPreMultiplyOnLoad;
-}
-
-void NPatchData::SetLoadingState(const LoadingState loadingState)
-{
- mLoadingState = loadingState;
-}
-
-NPatchData::LoadingState NPatchData::GetLoadingState() const
-{
- return mLoadingState;
-}
-
-void* NPatchData::GetRenderingMap() const
-{
- return mRenderingMap;
-}
-
-void NPatchData::SetLoadedNPatchData(Devel::PixelBuffer& pixelBuffer, bool preMultiplied)
-{
- if(mBorder == Rect<int>(0, 0, 0, 0))
- {
- NPatchUtility::ParseBorders(pixelBuffer, mStretchPixelsX, mStretchPixelsY);
-
- // Crop the image
- pixelBuffer.Crop(1, 1, pixelBuffer.GetWidth() - 2, pixelBuffer.GetHeight() - 2);
- }
- else
- {
- mStretchPixelsX.PushBack(Uint16Pair(mBorder.left, ((pixelBuffer.GetWidth() >= static_cast<unsigned int>(mBorder.right)) ? pixelBuffer.GetWidth() - mBorder.right : 0)));
- mStretchPixelsY.PushBack(Uint16Pair(mBorder.top, ((pixelBuffer.GetHeight() >= static_cast<unsigned int>(mBorder.bottom)) ? pixelBuffer.GetHeight() - mBorder.bottom : 0)));
- }
-
- mCroppedWidth = pixelBuffer.GetWidth();
- mCroppedHeight = pixelBuffer.GetHeight();
-
- // Create opacity map
- mRenderingMap = RenderingAddOn::Get().IsValid() ? RenderingAddOn::Get().BuildNPatch(pixelBuffer, this) : nullptr;
-
- 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);
-
- mTextureSet = TextureSet::New();
- mTextureSet.SetTexture(0u, texture);
-
- mPreMultiplyOnLoad = preMultiplied;
-
- mLoadingState = LoadingState::LOAD_COMPLETE;
-}
-
-void NPatchData::NotifyObserver(TextureUploadObserver* observer, const bool& loadSuccess)
-{
- observer->LoadComplete(
- loadSuccess,
- TextureUploadObserver::TextureInformation(
- TextureUploadObserver::ReturnType::TEXTURE,
- static_cast<TextureManager::TextureId>(mId), ///< Note : until end of NPatchLoader::Load, npatch-visual don't know the id of data.
- mTextureSet,
- mUrl.GetUrl(),
- mPreMultiplyOnLoad));
-}
-
-void NPatchData::LoadComplete(bool loadSuccess, TextureInformation textureInformation)
-{
- if(loadSuccess)
- {
- if(mLoadingState != LoadingState::LOAD_COMPLETE)
- {
- // If mLoadingState is LOAD_FAILED, just re-set (It can be happened when sync loading is failed, but async loading is succeeded).
- SetLoadedNPatchData(textureInformation.pixelBuffer, textureInformation.preMultiplied);
- }
- }
- else
- {
- if(mLoadingState == LoadingState::LOADING)
- {
- mLoadingState = LoadingState::LOAD_FAILED;
- }
- // If mLoadingState is already LOAD_COMPLETE, we can use uploaded texture (It can be happened when sync loading is succeeded, but async loading is failed).
- else if(mLoadingState == LoadingState::LOAD_COMPLETE)
- {
- loadSuccess = true;
- }
- }
-
- mObserverNotifying = true;
-
- // Reverse observer list that we can pop_back the observer.
- std::reverse(mObserverList.Begin(), mObserverList.End());
-
- while(mObserverList.Count() > 0u)
- {
- TextureUploadObserver* observer = *(mObserverList.End() - 1u);
- mObserverList.Erase(mObserverList.End() - 1u);
-
- observer->DestructionSignal().Disconnect(this, &NPatchData::ObserverDestroyed);
-
- NotifyObserver(observer, loadSuccess);
- }
-
- mObserverNotifying = false;
-
- // Swap observer list what we queued during notify observer.
- // If mQueuedObserver is not empty, it mean mLoadingState was LOAD_FAILED, and we try to re-load for this data.
- // (If mLoadingState was LOAD_COMPLETE, NotifyObserver will be called directly. @todo : Should we fix this logic, matched with texture manager?)
- // So LoadComplete will be called.
- mObserverList.Swap(mQueuedObservers);
-}
-
-void NPatchData::ObserverDestroyed(TextureUploadObserver* observer)
-{
- for(auto iter = mObserverList.Begin(); iter != mObserverList.End();)
- {
- if(observer == (*iter))
- {
- iter = mObserverList.Erase(iter);
- }
- else
- {
- ++iter;
- }
- }
- if(mObserverNotifying)
- {
- for(auto iter = mQueuedObservers.Begin(); iter != mQueuedObservers.End();)
- {
- if(observer == (*iter))
- {
- iter = mQueuedObservers.Erase(iter);
- }
- else
- {
- ++iter;
- }
- }
- }
-}
-
-} // namespace Internal
-
-} // namespace Toolkit
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff