/*
- * Copyright (c) 2020 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.
// INTERNAL HEADERS
#include <dali-toolkit/internal/visuals/image-atlas-manager.h> // For ImageAtlasManagerPtr
+// EXTERNAL HEADERS
+#include <dali/integration-api/debug.h>
+
namespace Dali
{
namespace Toolkit
{
namespace Internal
{
-
namespace
{
-const bool ENABLE_ORIENTATION_CORRECTION( true );
+constexpr bool ENABLE_ORIENTATION_CORRECTION(true);
+constexpr uint32_t FIRST_FRAME_INDEX = 0u;
} // namespace
-FixedImageCache::FixedImageCache(
- TextureManager& textureManager, UrlList& urlList, ImageCache::FrameReadyObserver& observer,
- unsigned int batchSize )
-: ImageCache( textureManager, observer, batchSize ),
- mImageUrls( urlList ),
- mFront(0u)
-{
- mReadyFlags.reserve( mImageUrls.size() );
- LoadBatch();
+FixedImageCache::FixedImageCache(TextureManager& textureManager,
+ ImageDimensions size,
+ Dali::FittingMode::Type fittingMode,
+ Dali::SamplingMode::Type samplingMode,
+ UrlList& urlList,
+ TextureManager::MaskingDataPointer& maskingData,
+ ImageCache::FrameReadyObserver& observer,
+ uint32_t batchSize,
+ uint32_t interval,
+ bool preMultiplyOnLoad)
+: ImageCache(textureManager, size, fittingMode, samplingMode, maskingData, observer, batchSize, interval, preMultiplyOnLoad),
+ mImageUrls(urlList),
+ mFront(FIRST_FRAME_INDEX)
+{
+ mReadyFlags.reserve(mImageUrls.size());
}
FixedImageCache::~FixedImageCache()
{
- if( mTextureManagerAlive )
- {
- for( std::size_t i = 0; i < mImageUrls.size() ; ++i )
- {
- mTextureManager.Remove( mImageUrls[i].mTextureId, this );
- }
- }
+ ClearCache();
}
-TextureSet FixedImageCache::Frame( uint32_t frameIndex )
+TextureSet FixedImageCache::Frame(uint32_t frameIndex)
{
- while( frameIndex > mFront )
+ TextureSet textureSet;
+ if(frameIndex >= mImageUrls.size())
+ {
+ DALI_LOG_ERROR("Wrong frameIndex requested.\n");
+ return textureSet;
+ }
+
+ while(mReadyFlags.size() < mImageUrls.size() &&
+ (frameIndex > mFront || mReadyFlags.empty()))
{
++mFront;
- if( mFront >= mImageUrls.size() )
- {
- mFront = 0;
- }
LoadBatch();
}
mFront = frameIndex;
- TextureSet textureSet;
- if( IsFrontReady() == true )
+ if(IsFrontReady() && mLoadState != TextureManager::LoadState::LOAD_FAILED)
{
textureSet = GetFrontTextureSet();
}
- else
- {
- mWaitingForReadyFrame = true;
- }
return textureSet;
}
TextureSet FixedImageCache::FirstFrame()
{
- TextureSet textureSet = GetFrontTextureSet();
-
- if( ! textureSet )
- {
- mWaitingForReadyFrame = true;
- }
+ TextureSet textureSet = Frame(FIRST_FRAME_INDEX);
return textureSet;
}
-uint32_t FixedImageCache::GetFrameInterval( uint32_t frameIndex )
+uint32_t FixedImageCache::GetFrameInterval(uint32_t frameIndex) const
{
- return 0u;
+ return mInterval;
+}
+
+int32_t FixedImageCache::GetCurrentFrameIndex() const
+{
+ return static_cast<int32_t>(mFront);
+}
+
+int32_t FixedImageCache::GetTotalFrameCount() const
+{
+ return mImageUrls.size();
}
bool FixedImageCache::IsFrontReady() const
{
- return ( mReadyFlags.size() > 0 && mReadyFlags[mFront] == true );
+ return (mReadyFlags.size() > 0 && mReadyFlags[mFront] == true);
}
void FixedImageCache::LoadBatch()
{
// Try and load up to mBatchSize images, until the cache is filled.
- // Once the cache is filled, mUrlIndex exceeds mImageUrls size and
- // no more images are loaded.
- bool frontFrameReady = IsFrontReady();
-
- for( unsigned int i=0; i< mBatchSize && mUrlIndex < mImageUrls.size(); ++i )
+ // Once the cache is filled, no more images are loaded.
+ for(unsigned int i = 0; i < mBatchSize && mReadyFlags.size() < mImageUrls.size(); ++i)
{
- std::string& url = mImageUrls[ mUrlIndex ].mUrl;
+ uint32_t frameIndex = mReadyFlags.size();
+ VisualUrl& url = mImageUrls[frameIndex].mUrl;
mReadyFlags.push_back(false);
- // Note, if the image is already loaded, then UploadComplete will get called
+ // Note, if the image is already loaded, then LoadComplete will get called
// from within this method. This means it won't yet have a texture id, so we
- // need to account for this inside the UploadComplete method using mRequestingLoad.
+ // need to account for this inside the LoadComplete method using mRequestingLoad.
mRequestingLoad = true;
-
- bool synchronousLoading = false;
- bool atlasingStatus = false;
- bool loadingStatus = false;
- TextureManager::MaskingDataPointer maskInfo = nullptr;
- AtlasUploadObserver* atlasObserver = nullptr;
- ImageAtlasManagerPtr imageAtlasManager = nullptr;
- Vector4 textureRect;
+ mLoadState = TextureManager::LoadState::LOADING;
+
+ bool synchronousLoading = false;
+ bool atlasingStatus = false;
+ bool loadingStatus = false;
+ AtlasUploadObserver* atlasObserver = nullptr;
+ ImageAtlasManagerPtr imageAtlasManager = nullptr;
+ Vector4 textureRect;
Dali::ImageDimensions textureRectSize;
- auto preMultiply = TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
-
- mTextureManager.LoadTexture(
- url, ImageDimensions(), FittingMode::SCALE_TO_FILL,
- SamplingMode::BOX_THEN_LINEAR, maskInfo,
- synchronousLoading, mImageUrls[ mUrlIndex ].mTextureId, textureRect, textureRectSize,
- atlasingStatus, loadingStatus, Dali::WrapMode::Type::DEFAULT,
- Dali::WrapMode::Type::DEFAULT, this,
- atlasObserver, imageAtlasManager, ENABLE_ORIENTATION_CORRECTION, TextureManager::ReloadPolicy::CACHED,
- preMultiply );
-
- if( loadingStatus == false ) // not loading, means it's already ready.
- {
- SetImageFrameReady( mImageUrls[ mUrlIndex ].mTextureId );
- }
+
+ auto preMultiplyOnLoading = mPreMultiplyOnLoad ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD
+ : TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
+
+ mTextureManager.LoadTexture(url, mDesiredSize, mFittingMode, mSamplingMode, mMaskingData, synchronousLoading, mImageUrls[frameIndex].mTextureId, textureRect, textureRectSize, atlasingStatus, loadingStatus, this, atlasObserver, imageAtlasManager, ENABLE_ORIENTATION_CORRECTION, TextureManager::ReloadPolicy::CACHED, preMultiplyOnLoading);
mRequestingLoad = false;
- ++mUrlIndex;
}
-
- CheckFrontFrame( frontFrameReady );
}
-void FixedImageCache::SetImageFrameReady( TextureManager::TextureId textureId )
+TextureSet FixedImageCache::GetFrontTextureSet() const
{
- for( std::size_t i = 0; i < mImageUrls.size() ; ++i )
+ TextureSet textureSet = mTextureManager.GetTextureSet(mImageUrls[mFront].mTextureId);
+ if(textureSet)
{
- if( mImageUrls[i].mTextureId == textureId )
- {
- mReadyFlags[i] = true;
- break;
- }
+ Sampler sampler = Sampler::New();
+ sampler.SetWrapMode(Dali::WrapMode::Type::DEFAULT, Dali::WrapMode::Type::DEFAULT);
+ textureSet.SetSampler(0u, sampler);
}
+ return textureSet;
}
-TextureSet FixedImageCache::GetFrontTextureSet() const
+void FixedImageCache::CheckFrontFrame(bool wasReady, bool preMultiplied)
{
- return mTextureManager.GetTextureSet( mImageUrls[mFront].mTextureId );
+ if(wasReady == false && IsFrontReady())
+ {
+ mObserver.FrameReady(GetFrontTextureSet(), mInterval, preMultiplied);
+ }
}
-void FixedImageCache::CheckFrontFrame( bool wasReady )
+void FixedImageCache::ClearCache()
{
- if( mWaitingForReadyFrame && wasReady == false && IsFrontReady() )
+ if(mTextureManagerAlive)
{
- mWaitingForReadyFrame = false;
- mObserver.FrameReady( GetFrontTextureSet() );
+ for(std::size_t i = 0; i < mImageUrls.size(); ++i)
+ {
+ mTextureManager.Remove(mImageUrls[i].mTextureId, this);
+ mImageUrls[i].mTextureId = TextureManager::INVALID_TEXTURE_ID;
+ }
+ }
+ mReadyFlags.clear();
+ mLoadState = TextureManager::LoadState::NOT_STARTED;
+ if(mMaskingData)
+ {
+ mMaskingData->mAlphaMaskId = TextureManager::INVALID_TEXTURE_ID;
}
}
-void FixedImageCache::UploadComplete(
- bool loadSuccess,
- int32_t textureId,
- TextureSet textureSet,
- bool useAtlasing,
- const Vector4& atlasRect,
- bool preMultiplied)
+void FixedImageCache::LoadComplete(bool loadSuccess, TextureInformation textureInformation)
{
- bool frontFrameReady = IsFrontReady();
-
- if( ! mRequestingLoad )
+ if(loadSuccess)
{
- SetImageFrameReady( textureId );
-
- CheckFrontFrame( frontFrameReady );
+ mLoadState = TextureManager::LoadState::LOAD_FINISHED;
+ bool frontFrameReady = IsFrontReady();
+ if(!mRequestingLoad)
+ {
+ for(std::size_t i = 0; i < mImageUrls.size(); ++i)
+ {
+ if(mImageUrls[i].mTextureId == textureInformation.textureId)
+ {
+ mReadyFlags[i] = true;
+ break;
+ }
+ }
+ }
+ else
+ {
+ mReadyFlags.back() = true;
+ }
+ CheckFrontFrame(frontFrameReady, textureInformation.preMultiplied);
}
else
{
- // UploadComplete has been called from within RequestLoad. TextureManager must
- // therefore already have the texture cached, so make the texture ready.
- // (Use the last texture, as the texture id hasn't been assigned yet)
- mReadyFlags.back() = true;
+ mLoadState = TextureManager::LoadState::LOAD_FAILED;
+ // preMultiplied should be false because broken image don't premultiply alpha on load
+ mObserver.FrameReady(TextureSet(), 0, false);
}
}
-void FixedImageCache::LoadComplete(
- bool loadSuccess,
- Devel::PixelBuffer pixelBuffer,
- const VisualUrl& url,
- bool preMultiplied )
-{
- // LoadComplete is called if this TextureUploadObserver requested to load
- // an image that will be returned as a type of PixelBuffer by using a method
- // TextureManager::LoadPixelBuffer.
-}
-
} //namespace Internal
} //namespace Toolkit
} //namespace Dali
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