Fixed some errors reported by Clang

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / text / text-visual.h

diff --git a/dali-toolkit/internal/visuals/text/text-visual.h b/dali-toolkit/internal/visuals/text/text-visual.h
index 31353b9..6f47e45 100644 (file)
--- a/dali-toolkit/internal/visuals/text/text-visual.h
+++ b/dali-toolkit/internal/visuals/text/text-visual.h
@@ -2,7 +2,7 @@
 #define DALI_TOOLKIT_INTERNAL_TEXT_VISUAL_H
 
 /*
- * Copyright (c) 2017 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.
@@ -20,6 +20,7 @@
 
 // EXTERNAL INCLUDES
 #include <dali/public-api/object/base-object.h>
+#include <dali/public-api/object/weak-handle.h>
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
@@ -113,27 +114,36 @@ public:
     GetVisualObject( visual ).mRendererUpdateNeeded = true;
   };
 
+  /**
+   * @brief Instantly updates the renderer
+   * @param[in] visual The text visual.
+   */
+  static void UpdateRenderer( Toolkit::Visual::Base visual )
+  {
+    GetVisualObject( visual ).UpdateRenderer();
+  };
+
 public: // from Visual::Base
 
   /**
    * @copydoc Visual::Base::GetHeightForWidth()
    */
-  virtual float GetHeightForWidth( float width );
+  float GetHeightForWidth( float width ) override;
 
   /**
    * @copydoc Visual::Base::GetNaturalSize()
    */
-  virtual void GetNaturalSize( Vector2& naturalSize );
+  void GetNaturalSize( Vector2& naturalSize ) override;
 
   /**
    * @copydoc Visual::Base::CreatePropertyMap()
    */
-  virtual void DoCreatePropertyMap( Property::Map& map ) const;
+  void DoCreatePropertyMap( Property::Map& map ) const override;
 
   /**
    * @copydoc Visual::Base::CreateInstancePropertyMap
    */
-  virtual void DoCreateInstancePropertyMap( Property::Map& map ) const;
+  void DoCreateInstancePropertyMap( Property::Map& map ) const override;
 
 protected:
 
@@ -154,22 +164,22 @@ protected:
   /**
    * @copydoc Visual::Base::DoSetProperties()
    */
-  virtual void DoSetProperties( const Property::Map& propertyMap );
+  void DoSetProperties( const Property::Map& propertyMap ) override;
 
   /**
    * @copydoc Visual::Base::DoSetOnStage()
    */
-  virtual void DoSetOnStage( Actor& actor );
+  void DoSetOnStage( Actor& actor ) override;
 
   /**
    * @copydoc Visual::Base::DoSetOffStage()
    */
-  virtual void DoSetOffStage( Actor& actor );
+  void DoSetOffStage( Actor& actor ) override;
 
   /**
    * @copydoc Visual::Base::OnSetTransform
    */
-  virtual void OnSetTransform();
+  void OnSetTransform() override;
 
 private:
   /**
@@ -192,20 +202,49 @@ private:
   void RemoveTextureSet();
 
   /**
+   * Get the texture of the text for rendering.
+   * @param[in] size The texture size.
+   * @param[in] hasMultipleTextColors Whether the text contains multiple colors.
+   * @param[in] containsColorGlyph Whether the text contains color glyph.
+   * @param[in] styleEnabled Whether the text contains any styles (e.g. shadow, underline, etc.).
+   */
+  TextureSet GetTextTexture( const Vector2& size, bool hasMultipleTextColors, bool containsColorGlyph, bool styleEnabled );
+
+  /**
    * Get the text rendering shader.
    * @param[in] factoryCache A pointer pointing to the VisualFactoryCache object
-   * @param[in] isRgbaTexture Whether the texture is in RGBA format.
+   * @param[in] hasMultipleTextColors Whether the text contains multiple colors.
+   * @param[in] containsColorGlyph Whether the text contains color glyph.
+   * @param[in] styleEnabled Whether the text contains any styles (e.g. shadow, underline, etc.).
    */
-  Shader GetTextShader( VisualFactoryCache& factoryCache, bool isRgbaTexture );
+  Shader GetTextShader( VisualFactoryCache& factoryCache, bool hasMultipleTextColors, bool containsColorGlyph, bool styleEnabled );
 
   /**
-   * @brief Retrieve the text's controller.
-   * @param[in] visual The text visual.
-   * @return The text controller
+   * @brief Retrieve the TextVisual object.
+   * @param[in] visual A handle to the TextVisual
+   * @return The TextVisual object
    */
   static TextVisual& GetVisualObject( Toolkit::Visual::Base visual )
   {
-    return static_cast<TextVisual&>( visual.GetBaseObject() );
+    return static_cast< TextVisual& >( Toolkit::GetImplementation( visual ).GetVisualObject() );
+  };
+
+private:
+
+  /**
+   * Used as an alternative to boolean so that it is obvious whether the text contains single or multiple text colors, and emoji and styles.
+   */
+  struct TextType
+  {
+    enum Type
+    {
+      SINGLE_COLOR_TEXT = 0, ///< The text contains single color only.
+      MULTI_COLOR_TEXT = 1,  ///< The text contains multiple colorｓ.
+      NO_EMOJI = 0,          ///< The text contains no emoji.
+      HAS_EMOJI = 1,         ///< The text contains emoji.
+      NO_STYLES = 0,         ///< The text contains contains no styles.
+      HAS_SYLES = 1          ///< The text contains contains styles.
+    };
   };
 
 private: