Allow ImageView padding to be set to Zero

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / image-view / image-view-impl.h

diff --git a/dali-toolkit/internal/controls/image-view/image-view-impl.h b/dali-toolkit/internal/controls/image-view/image-view-impl.h
index 124ae5f..334754b 100644 (file)
--- a/dali-toolkit/internal/controls/image-view/image-view-impl.h
+++ b/dali-toolkit/internal/controls/image-view/image-view-impl.h
@@ -1,8 +1,8 @@
-#ifndef __DALI_TOOLKIT_INTERNAL_IMAGE_VIEW_H__
-#define __DALI_TOOLKIT_INTERNAL_IMAGE_VIEW_H__
+#ifndef DALI_TOOLKIT_INTERNAL_IMAGE_VIEW_H
+#define DALI_TOOLKIT_INTERNAL_IMAGE_VIEW_H
 
 /*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2019 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.
@@ -22,7 +22,7 @@
 #include <dali/public-api/object/property-map.h>
 
 // INTERNAL INCLUDES
-#include <dali-toolkit/internal/controls/renderers/image/image-renderer.h>
+#include <dali-toolkit/internal/visuals/image/image-visual.h>
 #include <dali-toolkit/public-api/controls/control-impl.h>
 #include <dali-toolkit/public-api/controls/image-view/image-view.h>
 
@@ -38,7 +38,7 @@ namespace Internal
 {
 class ImageView : public Control
 {
- protected:
+protected:
 
   /**
    * Construct a new ImageView.
@@ -50,8 +50,6 @@ class ImageView : public Control
    */
   virtual ~ImageView();
 
-
-
 public:
   /**
    * Create a new ImageView.
@@ -70,13 +68,32 @@ public:
    * If the handle is empty, ImageView will display nothing
    * @param[in] map The Dali::Property::Map to use for to display.
    */
-  void SetImage( Dali::Property::Map map );
+  void SetImage( const Dali::Property::Map& map );
 
   /**
    * @copydoc Dali::Toolkit::SetImage
    */
   void SetImage( const std::string& imageUrl, ImageDimensions size );
 
+  /**
+   * @copydoc Dali::Toolkit::GetImage
+   */
+  Image GetImage() const;
+
+  /**
+   * @brief Set whether the Pre-multiplied Alpha Blending is required
+   *
+   * @param[in] preMultipled whether alpha is pre-multiplied.
+   */
+  void EnablePreMultipliedAlpha( bool preMultipled );
+
+  /**
+   * @brief Query whether alpha is pre-multiplied.
+   *
+   * @return True is alpha is pre-multiplied, false otherwise.
+   */
+  bool IsPreMultipliedAlphaEnabled() const;
+
   // Properties
   /**
    * Called when a property of an object of this type is set.
@@ -94,17 +111,21 @@ public:
    */
   static Property::Value GetProperty( BaseObject* object, Property::Index propertyIndex );
 
-private: // From Control
-
   /**
-   * @copydoc Toolkit::Control::OnStageConnect()
+   * @brief Set the depth index of this image renderer
+   *
+   * Renderer with higher depth indices are rendered in front of other visuals with smaller values
+   *
+   * @param[in] depthIndex The depth index of this renderer
    */
-  virtual void OnStageConnection( int depth );
+  void SetDepthIndex( int depthIndex );
+
+private: // From Control
 
   /**
-   * @copydoc Toolkit::Control::OnStageDisconnection()
+   * @copydoc Toolkit::Control::OnInitialize
    */
-  virtual void OnStageDisconnection();
+  void OnInitialize();
 
   /**
    * @copydoc Toolkit::Control::GetNaturalSize
@@ -121,13 +142,18 @@ private: // From Control
    */
   virtual float GetWidthForHeight( float height );
 
+  /**
+   * @copydoc Toolkit::Control::OnRelayout()
+   */
+  virtual void OnRelayout( const Vector2& size, RelayoutContainer& container );
+
 private:
+
   /**
-   * Attaches mImage member to the renderer, creating the renderers, samplers, meshes and materials if needed
-   *
-   * @pre mImage has been initialised
+   * @brief Callback for ResourceReadySignal
+   * param[in] control signal prototype
    */
-  void AttachImage();
+  void OnResourceReady( Toolkit::Control control );
 
 private:
   // Undefined
@@ -135,12 +161,15 @@ private:
   ImageView& operator=( const ImageView& );
 
 private:
-  Toolkit::ControlRenderer  mRenderer;
-  ImageDimensions  mImageSize;
+  Toolkit::Visual::Base  mVisual;
 
   std::string      mUrl;          ///< the url for the image if the image came from a URL, empty otherwise
   Image            mImage;        ///< the Image if the image came from a Image, null otherwise
   Property::Map    mPropertyMap;  ///< the Property::Map if the image came from a Property::Map, empty otherwise
+  Property::Map    mShaderMap;    ///< the Property::Map if the custom shader is set, empty otherwise
+  ImageDimensions  mImageSize;    ///< the image size
+
+  bool mImageVisualPaddingSetByTransform :1; //< Flag to indicate Padding was set using a transform.
 };
 
 } // namespace Internal
@@ -164,4 +193,4 @@ inline const Toolkit::Internal::ImageView& GetImpl( const Toolkit::ImageView& ob
 
 } // namespace Dali
 
-#endif // __DALI_TOOLKIT_INTERNAL_IMAGE_VIEW_H__
+#endif // DALI_TOOLKIT_INTERNAL_IMAGE_VIEW_H