#define DALI_TOOLKIT_NPATCH_LOADER_H
/*
- * 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.
#include <string>
#include <dali/public-api/rendering/texture-set.h>
#include <dali/devel-api/common/owner-container.h>
-#include <dali/devel-api/images/nine-patch-image.h>
+#include <dali/devel-api/adaptor-framework/pixel-buffer.h>
// INTERNAL INCLUDES
-#include <dali-toolkit/devel-api/image-loader/image-atlas.h>
+#include <dali-toolkit/internal/visuals/texture-manager-impl.h>
+#include <dali-toolkit/devel-api/utility/npatch-utilities.h>
namespace Dali
{
class NPatchLoader
{
public:
+ /**
+ * Observer class to inform the npatch image is loaded.
+ */
+ class NPatchLoadObserver: public Dali::Toolkit::TextureUploadObserver
+ {
+ public:
+ /**
+ * Informs observer when the npatch image is loaded.
+ * @param[in] preMultiplied True if the image had pre-multiplied alpha applied
+ */
+ virtual void NPatchLoadComplete ( bool preMultiplied ) = 0;
+ };
enum
{
struct Data
{
- std::string url; ///< Url of the N-Patch
- TextureSet textureSet; ///< Texture containing the cropped image
- NinePatchImage::StretchRanges stretchPixelsX; ///< X stretch pixels
- NinePatchImage::StretchRanges stretchPixelsY; ///< Y stretch pixels
- std::size_t hash; ///< Hash code for the Url
- uint32_t croppedWidth; ///< Width of the cropped middle part of N-patch
- uint32_t croppedHeight; ///< Height of the cropped middle part of N-patch
+ Data()
+ : url(),
+ textureSet(),
+ hash( 0 ),
+ croppedWidth( 0 ),
+ croppedHeight( 0 ),
+ border( 0, 0, 0, 0 ),
+ loadCompleted( false ),
+ renderingMap{ nullptr }
+ {}
+
+ ~Data();
+
+ using ObserverListType = Dali::Vector< NPatchLoadObserver* >;
+
+ TextureUploadObserver* textureObserver; ///< TextureUploadObserver that requests to load texture.
+ ObserverListType observerList; ///< Container used to store all observer clients of this Texture
+ std::string url; ///< Url of the N-Patch
+ TextureSet textureSet; ///< Texture containing the cropped image
+ NPatchUtility::StretchRanges stretchPixelsX; ///< X stretch pixels
+ NPatchUtility::StretchRanges stretchPixelsY; ///< Y stretch pixels
+ std::size_t hash; ///< Hash code for the Url
+ uint32_t croppedWidth; ///< Width of the cropped middle part of N-patch
+ uint32_t croppedHeight; ///< Height of the cropped middle part of N-patch
+ Rect< int > border; ///< The size of the border
+ bool preMultiplyOnLoad; ///< Whether to multiply alpha into color channels on load
+ bool loadCompleted; ///< True if the data loading is completed
+ void* renderingMap; ///< NPatch rendering data
};
public:
/**
* @brief Retrieve a texture matching the n-patch url.
*
+ * @param [in] textureManager that will be used to loading image
+ * @param [in] nPatchObserver The NPatchVisual that requested loading.
* @param [in] url to retrieve
+ * @param [in] border The border size of the image
+ * @param [in,out] preMultiplyOnLoad True if the image color should be multiplied by it's alpha. Set to false if the
+ * image has no alpha channel
+ * @param [in] synchronousLoading True if the image will be loaded in synchronous time.
* @return id of the texture.
*/
- std::size_t Load( const std::string& url );
+ std::size_t Load( TextureManager& textureManager, NPatchLoadObserver* nPatchObserver, const std::string& url, const Rect< int >& border, bool& preMultiplyOnLoad, bool synchronousLoading );
+
+ /**
+ * @brief Set loaded PixelBuffer and its information
+ *
+ * @param [in] id cache data id
+ * @param [in] pixelBuffer of loaded image
+ * @param [in] preMultiplied True if the image had pre-multiplied alpha applied
+ */
+ void SetNPatchData( std::size_t id, Devel::PixelBuffer& pixelBuffer, bool preMultiplied );
/**
* @brief Retrieve N patch data matching to an id
*/
bool GetNPatchData( std::size_t id, const Data*& data );
+ void Remove( std::size_t id, TextureManager& textureManager, NPatchLoadObserver* nPatchObserver, bool synchronousLoading );
+
protected:
/**