X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fvisuals%2Ftexture-manager-impl.h;h=c64b7816de01fd82504cb7e9bf884913be60e2aa;hb=8ae521ab64a3922f3419fbbfb83dde57e6135cf5;hp=5b6a98e010baca79f04e4fb39d2c371c67d861c1;hpb=30ae04d70a9a93e49163a5cec2efafd32fc678b5;p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git diff --git a/dali-toolkit/internal/visuals/texture-manager-impl.h b/dali-toolkit/internal/visuals/texture-manager-impl.h old mode 100644 new mode 100755 index 5b6a98e..c64b781 --- a/dali-toolkit/internal/visuals/texture-manager-impl.h +++ b/dali-toolkit/internal/visuals/texture-manager-impl.h @@ -136,6 +136,18 @@ public: }; using MaskingDataPointer = std::unique_ptr; + + /** + * Class to provide lifecycle event on destruction of texture manager. + */ + struct LifecycleObserver + { + /** + * Called shortly before the texture manager is destroyed. + */ + virtual void TextureManagerDestroyed() = 0; + }; + /** * Constructor. */ @@ -144,8 +156,7 @@ public: /** * Destructor. */ - ~TextureManager() = default; - + ~TextureManager(); // TextureManager Main API: @@ -164,7 +175,10 @@ public: * @param[in] maskInfo Mask info structure * @param[in] synchronousLoading true if the URL should be loaded synchronously * @param[out] textureId, The textureId of the URL - * @param[out] textureRect The rectangle within the texture atlas that this URL occupies + * @param[out] textureRect The rectangle within the texture atlas that this URL occupies, + * this is the rectangle in normalized coordinates. + * @param[out] textureRectSize The rectangle within the texture atlas that this URL occupies, + * this is the same rectangle in pixels. * @param[in,out] atlasingStatus Set to USE_ATLAS to attempt atlasing. If atlasing fails, the image will still * be loaded, and marked successful, but this will be set to false. * If atlasing succeeds, this will be set to true. @@ -192,6 +206,7 @@ public: bool synchronousLoading, TextureManager::TextureId& textureId, Vector4& textureRect, + Dali::ImageDimensions& textureRectSize, bool& atlasingStatus, bool& loadingStatus, Dali::WrapMode::Type wrapModeU, @@ -296,9 +311,11 @@ public: void Remove( const TextureManager::TextureId textureId ); /** - * Get the visualUrl associated with the texture id + * @brief Get the visualUrl associated with the texture id. + * @param[in] textureId The texture Id to get + * @return The visual Url associated with the texture id. */ - const VisualUrl& GetVisualUrl( TextureId textureId ); + VisualUrl GetVisualUrl( TextureId textureId ); /** * @brief Get the current state of a texture @@ -329,6 +346,25 @@ public: */ TextureSet RemoveExternalTexture( const std::string& url ); + /** + * Add an observer to the object. + * @param[in] observer The observer to add. + */ + void AddObserver( TextureManager::LifecycleObserver& observer ); + + /** + * Remove an observer from the object + * @pre The observer has already been added. + * @param[in] observer The observer to remove. + */ + void RemoveObserver( TextureManager::LifecycleObserver& observer ); + + /** + * @brief Set an image to be used when a visual has failed to correctly render + * @param[in] brokenImageUrl The broken image url. + */ + void SetBrokenImageUrl(const std::string& brokenImageUrl); + private: /** @@ -388,6 +424,8 @@ private: typedef size_t TextureHash; ///< The type used to store the hash used for Texture caching. + // Structs: + /** * @brief This struct is used to manage the life-cycle of Texture loading and caching. */ @@ -446,12 +484,12 @@ private: TextureManager::TextureHash hash; ///< The hash used to cache this Texture float scaleFactor; ///< The scale factor to apply to the Texture when masking int16_t referenceCount; ///< The reference count of clients using this Texture - LoadState loadState:3; ///< The load state showing the load progress of the Texture + LoadState loadState:4; ///< The load state showing the load progress of the Texture FittingMode::Type fittingMode:2; ///< The requested FittingMode Dali::SamplingMode::Type samplingMode:3; ///< The requested SamplingMode - StorageType storageType:1; ///< CPU storage / GPU upload; + StorageType storageType:2; ///< CPU storage / GPU upload; bool loadSynchronously:1; ///< True if synchronous loading was requested - UseAtlas useAtlas:1; ///< USE_ATLAS if an atlas was requested. + UseAtlas useAtlas:2; ///< USE_ATLAS if an atlas was requested. ///< This is updated to false if atlas is not used bool cropToMask:1; ///< true if the image should be cropped to the mask size. bool orientationCorrection:1; ///< true if the image should be rotated to match exif orientation data @@ -459,7 +497,20 @@ private: bool preMultiplied:1; ///< true if the image's color was multiplied by it's alpha }; - // Structs: + /** + * Structure to hold info about a texture load queued during NotifyObservers + */ + struct LoadQueueElement + { + LoadQueueElement( TextureId textureId, TextureUploadObserver* observer ) + : mTextureId( textureId ), + mObserver( observer ) + { + } + + TextureId mTextureId; ///< The texture id of the requested load. + TextureUploadObserver* mObserver; ///< Observer of texture load. + }; /** * Struct to hold information about a requested Async load. @@ -483,16 +534,35 @@ private: typedef std::vector TextureInfoContainerType; ///< The container type used to manage the life-cycle and caching of Textures /** + * @brief Initiate a load or queue load if NotifyObservers is invoking callbacks + * @param[in] textureInfo The TextureInfo struct associated with the Texture + * @param[in] observer The observer wishing to observe the texture upload + */ + void LoadOrQueueTexture( TextureInfo& textureInfo, TextureUploadObserver* observer ); + + /** + * @brief Queue a texture load to be subsequently handled by ProcessQueuedTextures. + * @param[in] textureInfo The TextureInfo struct associated with the Texture + * @param[in] observer The observer wishing to observe the texture upload + */ + void QueueLoadTexture( TextureInfo& textureInfo, TextureUploadObserver* observer ); + + /** * @brief Used internally to initiate a load. * @param[in] textureInfo The TextureInfo struct associated with the Texture - * @return True if the load was initiated + * @param[in] observer The observer wishing to observe the texture upload */ - bool LoadTexture( TextureInfo& textureInfo ); + void LoadTexture( TextureInfo& textureInfo, TextureUploadObserver* observer ); + + /** + * @brief Initiate load of textures queued whilst NotifyObservers invoking callbacks. + */ + void ProcessQueuedTextures(); /** * Add the observer to the observer list * @param[in] textureInfo The TextureInfo struct associated with the texture - * observer The observer wishing to observe the texture upload + * @param[in] observer The observer wishing to observe the texture upload */ void ObserveTexture( TextureInfo & textureInfo, TextureUploadObserver* observer ); @@ -595,8 +665,8 @@ private: TextureHash GenerateHash( const std::string& url, const ImageDimensions size, const FittingMode::Type fittingMode, const Dali::SamplingMode::Type samplingMode, const UseAtlas useAtlas, - TextureId maskTextureId, - MultiplyOnLoad preMultiplyOnLoad); + TextureId maskTextureId ); + /** * @brief Looks up a cached texture by its hash. * If found, the given parameters are used to check there is no hash-collision. @@ -710,7 +780,11 @@ private: // Member Variables: RoundRobinContainerView< AsyncLoadingHelper > mAsyncLocalLoaders; ///< The Asynchronous image loaders used to provide all local async loads RoundRobinContainerView< AsyncLoadingHelper > mAsyncRemoteLoaders; ///< The Asynchronous image loaders used to provide all remote async loads std::vector< ExternalTextureInfo > mExternalTextures; ///< Externally provided textures + Dali::Vector mLifecycleObservers; ///< Lifecycle observers of texture manager + Dali::Vector mLoadQueue; ///< Queue of textures to load after NotifyObservers + std::string mBrokenImageUrl; ///< Broken image url TextureId mCurrentTextureId; ///< The current value used for the unique Texture Id generation + bool mQueueLoadFlag; ///< Flag that causes Load Textures to be queued. };