X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fvisuals%2Fnpatch-loader.cpp;h=a7734da6b4901e6dcdece95d80334372225326cf;hp=6e3c8ec04de64b76930233570bb709bd07ee212f;hb=f2039d47f9bed8104575da80a2ecf0bb6e37ff8d;hpb=574ce69b5c6abe40f245aa2dc7e36e55ca873995

diff --git a/dali-toolkit/internal/visuals/npatch-loader.cpp b/dali-toolkit/internal/visuals/npatch-loader.cpp
index 6e3c8ec..a7734da 100644
--- a/dali-toolkit/internal/visuals/npatch-loader.cpp
+++ b/dali-toolkit/internal/visuals/npatch-loader.cpp
@@ -1,5 +1,5 @@
- /*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2021 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.
@@ -18,20 +18,28 @@
 // CLASS HEADER
 #include <dali-toolkit/internal/visuals/npatch-loader.h>
 
-// EXTERNAL HEADER
+// INTERNAL HEADERS
+#include <dali-toolkit/internal/visuals/rendering-addon.h>
+
+// EXTERNAL HEADERS
 #include <dali/devel-api/common/hash.h>
-#include <dali/devel-api/images/texture-set-image.h>
+#include <dali/integration-api/debug.h>
 
 namespace Dali
 {
-
 namespace Toolkit
 {
-
 namespace Internal
 {
+namespace
+{
+constexpr auto INVALID_CACHE_INDEX = int32_t{-1}; ///< Invalid Cache index
+constexpr auto UNINITIALIZED_ID    = int32_t{0};  ///< uninitialised id, use to initialize ids
+
+} // Anonymous namespace
 
 NPatchLoader::NPatchLoader()
+: mCurrentNPatchDataId(0)
 {
 }
 
@@ -39,57 +47,142 @@ NPatchLoader::~NPatchLoader()
 {
 }
 
-std::size_t NPatchLoader::Load( const std::string& url )
+NPatchData::NPatchDataId NPatchLoader::GenerateUniqueNPatchDataId()
 {
-  std::size_t hash = CalculateHash( url );
-  OwnerContainer< Data* >::SizeType index = UNINITIALIZED_ID;
-  const OwnerContainer< Data* >::SizeType count = mCache.Count();
-  for( ; index < count; ++index )
+  return mCurrentNPatchDataId++;
+}
+
+std::size_t NPatchLoader::Load(TextureManager& textureManager, TextureUploadObserver* textureObserver, const std::string& url, const Rect<int>& border, bool& preMultiplyOnLoad, bool synchronousLoading)
+{
+  std::size_t                                 hash  = CalculateHash(url);
+  OwnerContainer<NPatchData*>::SizeType       index = UNINITIALIZED_ID;
+  const OwnerContainer<NPatchData*>::SizeType count = mCache.Count();
+
+  for(; index < count; ++index)
   {
-    if( mCache[ index ]->hash == hash )
+    if(mCache[index]->GetHash() == hash)
     {
       // hash match, check url as well in case of hash collision
-      if( mCache[ index ]->url == url )
+      if(mCache[index]->GetUrl() == url)
       {
-        return index+1u; // valid indices are from 1 onwards
+        // Use cached data
+        if(mCache[index]->GetBorder() == border)
+        {
+          if(mCache[index]->GetLoadingState() == NPatchData::LoadingState::LOADING)
+          {
+            mCache[index]->AddObserver(textureObserver);
+          }
+          return mCache[index]->GetId(); // valid indices are from 1 onwards
+        }
+        else
+        {
+          if(mCache[index]->GetLoadingState() == NPatchData::LoadingState::LOAD_COMPLETE)
+          {
+            // Same url but border is different - use the existing texture
+            NPatchData* newData = new NPatchData();
+            newData->SetId(GenerateUniqueNPatchDataId());
+            newData->SetHash(hash);
+            newData->SetUrl(url);
+            newData->SetCroppedWidth(mCache[index]->GetCroppedWidth());
+            newData->SetCroppedHeight(mCache[index]->GetCroppedHeight());
+
+            newData->SetTextures(mCache[index]->GetTextures());
+
+            NPatchUtility::StretchRanges stretchRangesX;
+            stretchRangesX.PushBack(Uint16Pair(border.left, ((newData->GetCroppedWidth() >= static_cast<unsigned int>(border.right)) ? newData->GetCroppedHeight() - border.right : 0)));
+
+            NPatchUtility::StretchRanges stretchRangesY;
+            stretchRangesY.PushBack(Uint16Pair(border.top, ((newData->GetCroppedWidth() >= static_cast<unsigned int>(border.bottom)) ? newData->GetCroppedHeight() - border.bottom : 0)));
+
+            newData->SetStretchPixelsX(stretchRangesX);
+            newData->SetStretchPixelsY(stretchRangesY);
+            newData->SetBorder(border);
+
+            newData->SetPreMultiplyOnLoad(mCache[index]->IsPreMultiplied());
+
+            newData->SetLoadingState(NPatchData::LoadingState::LOAD_COMPLETE);
+            newData->AddObserver(textureObserver);
+
+            mCache.PushBack(newData);
+
+            return newData->GetId(); // valid ids start from 1u
+          }
+        }
       }
     }
   }
-  // got to the end so no match, decode N patch and append new item to cache
-  NinePatchImage ninePatch = NinePatchImage::New( url );
-  if( ninePatch )
+
+  // If this is new image loading, make new cache data
+  NPatchData* data;
+  data = new NPatchData();
+  data->SetId(GenerateUniqueNPatchDataId());
+  data->SetHash(hash);
+  data->SetUrl(url);
+  data->SetBorder(border);
+  data->SetPreMultiplyOnLoad(preMultiplyOnLoad);
+  data->AddObserver(textureObserver);
+  mCache.PushBack(data);
+
+  auto preMultiplyOnLoading = preMultiplyOnLoad ? TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD
+                                                : TextureManager::MultiplyOnLoad::LOAD_WITHOUT_MULTIPLY;
+
+  Devel::PixelBuffer pixelBuffer = textureManager.LoadPixelBuffer(url, Dali::ImageDimensions(), FittingMode::DEFAULT, SamplingMode::BOX_THEN_LINEAR, synchronousLoading, data, true, preMultiplyOnLoading);
+
+  if(pixelBuffer)
+  {
+    preMultiplyOnLoad = (preMultiplyOnLoading == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD) ? true : false;
+    data->SetLoadedNPatchData(pixelBuffer, preMultiplyOnLoad);
+  }
+
+  return data->GetId();
+}
+
+int32_t NPatchLoader::GetCacheIndexFromId(const NPatchData::NPatchDataId id)
+{
+  const unsigned int size = mCache.Count();
+
+  for(unsigned int i = 0; i < size; ++i)
   {
-    BufferImage croppedImage = ninePatch.CreateCroppedBufferImage();
-    if( croppedImage )
+    if(mCache[i]->GetId() == id)
     {
-      Data* data = new Data();
-      data->hash = hash;
-      data->url = url;
-      data->textureSet = TextureSet::New();
-      TextureSetImage( data->textureSet, 0u, croppedImage );
-      data->croppedWidth = croppedImage.GetWidth();
-      data->croppedHeight = croppedImage.GetHeight();
-      data->stretchPixelsX = ninePatch.GetStretchPixelsX();
-      data->stretchPixelsY = ninePatch.GetStretchPixelsY();
-      mCache.PushBack( data );
-
-      return mCache.Count(); // valid ids start from 1u
+      return i;
     }
   }
-  return 0u;
+
+  return INVALID_CACHE_INDEX;
 }
 
-bool NPatchLoader::GetNPatchData( std::size_t id, const Data*& data )
+bool NPatchLoader::GetNPatchData(const NPatchData::NPatchDataId id, const NPatchData*& data)
 {
-  if( ( id > UNINITIALIZED_ID )&&( id <= mCache.Count() ) )
+  int32_t cacheIndex = GetCacheIndexFromId(id);
+  if(cacheIndex != INVALID_CACHE_INDEX)
   {
-    data = mCache[ id - 1u ]; // id's start from 1u
+    data = mCache[cacheIndex];
     return true;
   }
-  data = NULL;
+  data = nullptr;
   return false;
 }
 
+void NPatchLoader::Remove(std::size_t id, TextureUploadObserver* textureObserver)
+{
+  int32_t cacheIndex = GetCacheIndexFromId(id);
+  if(cacheIndex == INVALID_CACHE_INDEX)
+  {
+    return;
+  }
+
+  NPatchData* data;
+  data = mCache[cacheIndex];
+
+  data->RemoveObserver(textureObserver);
+
+  if(data->GetObserverCount() == 0)
+  {
+    mCache.Erase(mCache.Begin() + cacheIndex);
+  }
+}
+
 } // namespace Internal
 
 } // namespace Toolkit