Make NPatchData receive LoadComplete call from TextureManager.

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / npatch-loader.h

diff --git a/dali-toolkit/internal/visuals/npatch-loader.h b/dali-toolkit/internal/visuals/npatch-loader.h
index 6bdc2f9..b2b4a7c 100644 (file)
--- a/dali-toolkit/internal/visuals/npatch-loader.h
+++ b/dali-toolkit/internal/visuals/npatch-loader.h
@@ -20,12 +20,13 @@
 // EXTERNAL INCLUDES
 #include <string>
 #include <dali/public-api/rendering/texture-set.h>
-#include <dali/public-api/math/uint-16-pair.h>
 #include <dali/devel-api/common/owner-container.h>
 #include <dali/devel-api/adaptor-framework/pixel-buffer.h>
 
-// INTERNAL HEADERS
+// INTERNAL INCLUDES
+#include <dali-toolkit/internal/visuals/npatch-data.h>
 #include <dali-toolkit/internal/visuals/texture-manager-impl.h>
+#include <dali-toolkit/devel-api/utility/npatch-utilities.h>
 
 namespace Dali
 {
@@ -36,13 +37,6 @@ namespace Toolkit
 namespace Internal
 {
 
-namespace NPatchBuffer
-{
-
-void GetRedOffsetAndMask( Dali::Pixel::Format pixelFormat, int& byteOffset, int& bitMask );
-
-} // namespace NPatchBuffer
-
 /**
  * The manager for loading Npatch textures.
  * It caches them internally for better performance; i.e. to avoid loading and
@@ -56,38 +50,6 @@ class NPatchLoader
 {
 public:
 
-  typedef Dali::Vector< Uint16Pair > StretchRanges;
-
-  enum
-  {
-    UNINITIALIZED_ID = 0 ///< uninitialised id, use to initialize ids
-  };
-
-  struct Data
-  {
-    Data()
-    : url(),
-      textureSet(),
-      hash( 0 ),
-      croppedWidth( 0 ),
-      croppedHeight( 0 ),
-      border( 0, 0, 0, 0 ),
-      loadCompleted( false )
-    {}
-
-    std::string url;                              ///< Url of the N-Patch
-    TextureSet textureSet;                        ///< Texture containing the cropped image
-    StretchRanges stretchPixelsX;                 ///< X stretch pixels
-    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 loadCompleted;                           ///< True if the data loading is completed
-  };
-
-public:
-
   /**
    * Constructor
    */
@@ -117,16 +79,33 @@ public:
    *
    * @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 );
+  void SetNPatchData( std::size_t id, Devel::PixelBuffer& pixelBuffer, bool preMultiplied );
 
   /**
    * @brief Retrieve N patch data matching to an id
    * @param [in] id of data
-   * @param [out] data const pointer to the data
+   * @param [out] data const pointer to the NPatchData
    * @return true if data matching to id was really found
    */
-  bool GetNPatchData( std::size_t id, const Data*& data );
+  bool GetNPatchData( const NPatchData::NPatchDataId id, const NPatchData*& data );
+
+  /**
+   * @brief Remove a texture matching id.
+   * Erase the observer from the observer list of cache.
+   * If the observer list is empty, the textureSet will be reset.
+   *
+   * @param [in] id cache data id
+   * @param [in] textureObserver The NPatchVisual that requested loading.
+   */
+  void Remove( std::size_t id, TextureUploadObserver* textureObserver );
+
+private:
+
+  NPatchData::NPatchDataId GenerateUniqueNPatchDataId();
+
+  int32_t GetCacheIndexFromId( const NPatchData::NPatchDataId id );
 
 protected:
 
@@ -142,8 +121,8 @@ protected:
 
 private:
 
-  OwnerContainer< Data* > mCache;
-
+  NPatchData::NPatchDataId mCurrentNPatchDataId;
+  OwnerContainer< NPatchData* > mCache;
 };
 
 } // name Internal