CanvasView: Refactoring to get rasterized buffer

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / canvas-view / canvas-view-impl.cpp

diff --git a/dali-toolkit/internal/controls/canvas-view/canvas-view-impl.cpp b/dali-toolkit/internal/controls/canvas-view/canvas-view-impl.cpp
index 0132e3c..1540b02 100644 (file)
--- a/dali-toolkit/internal/controls/canvas-view/canvas-view-impl.cpp
+++ b/dali-toolkit/internal/controls/canvas-view/canvas-view-impl.cpp
@@ -45,6 +45,7 @@ BaseHandle Create()
 }
 // Setup properties, signals and actions using the type-registry.
 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::CanvasView, Toolkit::Control, Create);
+DALI_PROPERTY_REGISTRATION(Toolkit, CanvasView, "viewBox", VECTOR2, VIEW_BOX)
 DALI_TYPE_REGISTRATION_END()
 } // anonymous namespace
 
@@ -100,7 +101,7 @@ void CanvasView::OnInitialize()
       new DevelControl::AccessibleImpl(actor, Dali::Accessibility::Role::IMAGE));
   });
 
-  Adaptor::Get().RegisterProcessor(*this);
+  Adaptor::Get().RegisterProcessor(*this, true);
 }
 
 void CanvasView::OnRelayout(const Vector2& size, RelayoutContainer& container)
@@ -126,6 +127,50 @@ void CanvasView::OnSizeSet(const Vector3& targetSize)
   mSize.height = targetSize.height;
 }
 
+void CanvasView::SetProperty(BaseObject* object, Property::Index propertyIndex, const Property::Value& value)
+{
+  Toolkit::CanvasView canvasView = Toolkit::CanvasView::DownCast(Dali::BaseHandle(object));
+  if(canvasView)
+  {
+    CanvasView& canvasViewImpl(GetImpl(canvasView));
+
+    switch(propertyIndex)
+    {
+      case Toolkit::CanvasView::Property::VIEW_BOX:
+      {
+        Vector2 valueVector2;
+        if(value.Get(valueVector2))
+        {
+          canvasViewImpl.SetViewBox(valueVector2);
+        }
+        break;
+      }
+    }
+  }
+}
+
+Property::Value CanvasView::GetProperty(BaseObject* object, Property::Index propertyIndex)
+{
+  Property::Value value;
+
+  Toolkit::CanvasView canvasView = Toolkit::CanvasView::DownCast(Dali::BaseHandle(object));
+
+  if(canvasView)
+  {
+    CanvasView& canvasViewImpl(GetImpl(canvasView));
+
+    switch(propertyIndex)
+    {
+      case Toolkit::CanvasView::Property::VIEW_BOX:
+      {
+        value = canvasViewImpl.GetViewBox();
+        break;
+      }
+    }
+  }
+  return value;
+}
+
 void CanvasView::Process(bool postProcessor)
 {
   if(mCanvasRenderer && mCanvasRenderer.IsCanvasChanged() && mSize.width > 0 && mSize.height > 0)
@@ -151,43 +196,21 @@ void CanvasView::AddRasterizationTask()
   }
 }
 
-void CanvasView::ApplyRasterizedImage(PixelData rasterizedPixelData)
+void CanvasView::ApplyRasterizedImage(Texture rasterizedTexture)
 {
-  if(rasterizedPixelData)
+  if (rasterizedTexture && rasterizedTexture.GetWidth() != 0 && rasterizedTexture.GetHeight() != 0)
   {
-    auto rasterizedPixelDataWidth  = rasterizedPixelData.GetWidth();
-    auto rasterizedPixelDataHeight = rasterizedPixelData.GetHeight();
-
-    if(rasterizedPixelDataWidth > 0 && rasterizedPixelDataHeight > 0)
+    if(!mTextureSet)
     {
-      if(!mTexture || mTexture.GetWidth() != rasterizedPixelDataWidth || mTexture.GetHeight() != rasterizedPixelDataHeight)
-      {
-        mTexture = Texture::New(TextureType::TEXTURE_2D, Dali::Pixel::RGBA8888, rasterizedPixelDataWidth, rasterizedPixelDataHeight);
-        mTexture.Upload(rasterizedPixelData);
-
-        if(!mTextureSet)
-        {
-          mTextureSet       = TextureSet::New();
-          Geometry geometry = VisualFactoryCache::CreateQuadGeometry();
-          Shader   shader   = Shader::New(SHADER_CANVAS_VIEW_VERT, SHADER_CANVAS_VIEW_FRAG);
-          Renderer renderer = Renderer::New(geometry, shader);
-          renderer.SetTextures(mTextureSet);
-          renderer.SetProperty(Renderer::Property::BLEND_PRE_MULTIPLIED_ALPHA, true);
-
-          Actor actor = Self();
-          if(actor)
-          {
-            actor.AddRenderer(renderer);
-          }
-        }
-        mTextureSet.SetTexture(0, mTexture);
-      }
-      else
-      {
-        //Update texture
-        mTexture.Upload(rasterizedPixelData);
-      }
+      mTextureSet       = TextureSet::New();
+      Geometry geometry = VisualFactoryCache::CreateQuadGeometry();
+      Shader   shader   = Shader::New(SHADER_CANVAS_VIEW_VERT, SHADER_CANVAS_VIEW_FRAG);
+      Renderer renderer = Renderer::New(geometry, shader);
+      renderer.SetTextures(mTextureSet);
+      renderer.SetProperty(Renderer::Property::BLEND_PRE_MULTIPLIED_ALPHA, true);
+      Self().AddRenderer(renderer);
     }
+    mTextureSet.SetTexture(0, rasterizedTexture);
   }
 
   //If there are accumulated changes to CanvasRenderer during Rasterize, Rasterize once again.
@@ -205,6 +228,42 @@ bool CanvasView::AddDrawable(Dali::CanvasRenderer::Drawable& drawable)
   }
   return false;
 }
+
+bool CanvasView::RemoveDrawable(Dali::CanvasRenderer::Drawable& drawable)
+{
+  if(mCanvasRenderer && mCanvasRenderer.RemoveDrawable(drawable))
+  {
+    return true;
+  }
+  return false;
+}
+
+bool CanvasView::RemoveAllDrawables()
+{
+  if(mCanvasRenderer && mCanvasRenderer.RemoveAllDrawables())
+  {
+    return true;
+  }
+  return false;
+}
+
+bool CanvasView::SetViewBox(const Vector2& viewBox)
+{
+  if(mCanvasRenderer && mCanvasRenderer.SetViewBox(viewBox))
+  {
+    return true;
+  }
+  return false;
+}
+
+const Vector2& CanvasView::GetViewBox()
+{
+  if(mCanvasRenderer)
+  {
+    return mCanvasRenderer.GetViewBox();
+  }
+  return Vector2::ZERO;
+}
 } // namespace Internal
 } // namespace Toolkit
 } // namespace Dali