Make do not caching pixelBuffer in texture-manager.
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / npatch-loader.cpp
index f23f1ca..2550001 100644 (file)
@@ -1,5 +1,5 @@
  /*
- * 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.
 // 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-toolkit/public-api/image-loader/sync-image-loader.h>
+#include <dali/integration-api/debug.h>
 
 namespace Dali
 {
@@ -32,6 +34,52 @@ namespace Toolkit
 namespace Internal
 {
 
+namespace NPatchBuffer
+{
+
+void SetLoadedNPatchData( NPatchLoader::Data* data, Devel::PixelBuffer& pixelBuffer )
+{
+  if( data->border == Rect< int >( 0, 0, 0, 0 ) )
+  {
+    NPatchUtility::ParseBorders( pixelBuffer, data->stretchPixelsX, data->stretchPixelsY );
+
+    // Crop the image
+    pixelBuffer.Crop( 1, 1, pixelBuffer.GetWidth() - 2, pixelBuffer.GetHeight() - 2 );
+  }
+  else
+  {
+    data->stretchPixelsX.PushBack( Uint16Pair( data->border.left, ( (pixelBuffer.GetWidth() >= static_cast< unsigned int >( data->border.right )) ? pixelBuffer.GetWidth() - data->border.right : 0 ) ) );
+    data->stretchPixelsY.PushBack( Uint16Pair( data->border.top, ( (pixelBuffer.GetHeight() >= static_cast< unsigned int >( data->border.bottom )) ? pixelBuffer.GetHeight() - data->border.bottom : 0 ) ) );
+  }
+
+  data->croppedWidth = pixelBuffer.GetWidth();
+  data->croppedHeight = pixelBuffer.GetHeight();
+
+  // Create opacity map
+  data->renderingMap = RenderingAddOn::Get().IsValid() ? RenderingAddOn::Get().BuildNPatch(pixelBuffer, data ) : nullptr;
+
+  PixelData pixels = Devel::PixelBuffer::Convert( pixelBuffer ); // takes ownership of buffer
+
+  Texture texture = Texture::New( TextureType::TEXTURE_2D, pixels.GetPixelFormat(), pixels.GetWidth(), pixels.GetHeight() );
+  texture.Upload( pixels );
+
+  data->textureSet = TextureSet::New();
+  data->textureSet.SetTexture( 0u, texture );
+
+  data->loadCompleted = true;
+}
+
+} // namespace NPatchBuffer
+
+NPatchLoader::Data::~Data()
+{
+  // If there is an opacity map, it has to be destroyed using addon call
+  if( renderingMap )
+  {
+    RenderingAddOn::Get().DestroyNPatch( renderingMap );
+  }
+}
+
 NPatchLoader::NPatchLoader()
 {
 }
@@ -40,12 +88,13 @@ NPatchLoader::~NPatchLoader()
 {
 }
 
-std::size_t NPatchLoader::Load( const std::string& url, const Rect< int >& border )
+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< Data* >::SizeType index = UNINITIALIZED_ID;
   const OwnerContainer< Data* >::SizeType count = mCache.Count();
   int cachedIndex = -1;
+  Data* data;
 
   for( ; index < count; ++index )
   {
@@ -57,102 +106,96 @@ std::size_t NPatchLoader::Load( const std::string& url, const Rect< int >& borde
         // Use cached data
         if( mCache[ index ]->border == border )
         {
-          return index+1u; // valid indices are from 1 onwards
+          if( mCache[ index ]->loadCompleted )
+          {
+            return index + 1u; // valid indices are from 1 onwards
+          }
+          mCache[ index ]->observerList.PushBack( textureObserver );
+          data = mCache[ index ];
+          return index + 1u; // valid indices are from 1 onwards
         }
         else
         {
-          cachedIndex = index;
+          if( mCache[ index ]->loadCompleted )
+          {
+            // Same url but border is different - use the existing texture
+            Data* data = new Data();
+            data->hash = hash;
+            data->url = url;
+            data->croppedWidth = mCache[ index ]->croppedWidth;
+            data->croppedHeight = mCache[ index ]->croppedHeight;
+
+            data->textureSet = mCache[ index ]->textureSet;
+
+            NPatchUtility::StretchRanges stretchRangesX;
+            stretchRangesX.PushBack( Uint16Pair( border.left, ( (data->croppedWidth >= static_cast< unsigned int >( border.right )) ? data->croppedWidth - border.right : 0 ) ) );
+
+            NPatchUtility::StretchRanges stretchRangesY;
+            stretchRangesY.PushBack( Uint16Pair( border.top, ( (data->croppedHeight >= static_cast< unsigned int >( border.bottom )) ? data->croppedHeight - border.bottom : 0 ) ) );
+
+            data->stretchPixelsX = stretchRangesX;
+            data->stretchPixelsY = stretchRangesY;
+            data->border = border;
+
+            data->loadCompleted = mCache[ index ]->loadCompleted;
+
+            mCache.PushBack( data );
+
+            return mCache.Count(); // valid ids start from 1u
+          }
         }
       }
     }
   }
 
-  if( cachedIndex != -1 )
+  if( cachedIndex == -1 )
   {
-    // Same url but border is different - use the existing texture
-    Data* data = new Data();
+    data = new Data();
+    data->loadCompleted = false;
     data->hash = hash;
     data->url = url;
-    data->croppedWidth = mCache[ cachedIndex ]->croppedWidth;
-    data->croppedHeight = mCache[ cachedIndex ]->croppedHeight;
-
-    data->textureSet = mCache[ cachedIndex ]->textureSet;
-
-    NinePatchImage::StretchRanges stretchRangesX;
-    stretchRangesX.PushBack( Uint16Pair( border.left, data->croppedWidth - border.right ) );
-
-    NinePatchImage::StretchRanges stretchRangesY;
-    stretchRangesY.PushBack( Uint16Pair( border.top, data->croppedHeight - border.bottom ) );
-
-    data->stretchPixelsX = stretchRangesX;
-    data->stretchPixelsY = stretchRangesY;
     data->border = border;
 
     mCache.PushBack( data );
 
-    return mCache.Count(); // valid ids start from 1u
+    cachedIndex = mCache.Count();
   }
 
-  // got to the end so no match, decode N patch and append new item to cache
-  if( border == Rect< int >( 0, 0, 0, 0 ) )
+  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,
+                                                                   textureObserver, true, preMultiplyOnLoading );
+
+  if( pixelBuffer )
   {
-    NinePatchImage ninePatch = NinePatchImage::New( url );
-    if( ninePatch )
-    {
-      BufferImage croppedImage = ninePatch.CreateCroppedBufferImage();
-      if( croppedImage )
-      {
-        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();
-        data->border = Rect< int >( 0, 0, 0, 0 );
-        mCache.PushBack( data );
-
-        return mCache.Count(); // valid ids start from 1u
-      }
-    }
+    NPatchBuffer::SetLoadedNPatchData( data, pixelBuffer );
+    preMultiplyOnLoad = ( preMultiplyOnLoading == TextureManager::MultiplyOnLoad::MULTIPLY_ON_LOAD ) ? true : false;
   }
-  else
-  {
-    // Load image from file
-    PixelData pixels = SyncImageLoader::Load( url );
-    if( pixels )
-    {
-      Data* data = new Data();
-      data->hash = hash;
-      data->url = url;
-      data->croppedWidth = pixels.GetWidth();
-      data->croppedHeight = pixels.GetHeight();
 
-      Texture texture = Texture::New( TextureType::TEXTURE_2D, pixels.GetPixelFormat(), pixels.GetWidth(), pixels.GetHeight() );
-      texture.Upload( pixels, 0, 0, 0, 0, pixels.GetWidth(), pixels.GetHeight() );
-
-      data->textureSet = TextureSet::New();
-      data->textureSet.SetTexture( 0u, texture );
-
-      NinePatchImage::StretchRanges stretchRangesX;
-      stretchRangesX.PushBack( Uint16Pair( border.left, data->croppedWidth - border.right ) );
+  return cachedIndex;
+}
 
-      NinePatchImage::StretchRanges stretchRangesY;
-      stretchRangesY.PushBack( Uint16Pair( border.top, data->croppedHeight - border.bottom ) );
+void NPatchLoader::SetNPatchData( bool loadSuccess, std::size_t id, Devel::PixelBuffer& pixelBuffer, const Internal::VisualUrl& url, bool preMultiplied )
+{
+  Data* data;
+  data = mCache[ id - 1u ];
 
-      data->stretchPixelsX = stretchRangesX;
-      data->stretchPixelsY = stretchRangesY;
-      data->border = border;
+  // To prevent recursion.
+  // data->loadCompleted will be set true in the NPatchBuffer::SetLoadedNPatchData when the first observer called this method.
+  if( data->loadCompleted )
+  {
+    return;
+  }
 
-      mCache.PushBack( data );
+  NPatchBuffer::SetLoadedNPatchData( data, pixelBuffer );
 
-      return mCache.Count(); // valid ids start from 1u
-    }
+  while( data->observerList.Count() )
+  {
+    TextureUploadObserver* observer = data->observerList[0];
+    observer->LoadComplete( loadSuccess, Devel::PixelBuffer(), url, preMultiplied );
+    data->observerList.Erase( data->observerList.begin() );
   }
-
-  return 0u;
 }
 
 bool NPatchLoader::GetNPatchData( std::size_t id, const Data*& data )