Add support for text geometry

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-label-impl.h

diff --git a/dali-toolkit/internal/controls/text-controls/text-label-impl.h b/dali-toolkit/internal/controls/text-controls/text-label-impl.h
index 5c9a6b1..d776c32 100644 (file)
--- a/dali-toolkit/internal/controls/text-controls/text-label-impl.h
+++ b/dali-toolkit/internal/controls/text-controls/text-label-impl.h
@@ -98,6 +98,28 @@ public:
    */
   Text::ControllerPtr GetTextController();
 
+  /**
+   * @brief Get the rendered size of a specific text range.
+   * if the requested text is at multilines, multiple sizes will be returned for each text located in a separate line.
+   * if a line contains characters with different directions, multiple sizes will be returned for each block of contiguous characters with the same direction.
+   *
+   * @param[in] startIndex start index of the text requested to calculate size for.
+   * @param[in] endIndex end index(included) of the text requested to calculate size for.
+   * @return list of sizes of the reuested text.
+   */
+  Vector<Vector2> GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const;
+
+  /**
+   * @brief Get the top/left rendered position of a specific text range.
+   * if the requested text is at multilines, multiple positions will be returned for each text located in a separate line.
+   * if a line contains characters with different directions, multiple positions will be returned for each block of contiguous characters with the same direction.
+   *
+   * @param[in] startIndex start index of the text requested to get position to.
+   * @param[in] endIndex end index(included) of the text requested to get position to.
+   * @return list of positions of the requested text.
+   */
+  Vector<Vector2> GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const;
+
 private: // From Control
   /**
    * @copydoc Control::OnInitialize()
@@ -209,7 +231,7 @@ private: // Data
   std::vector<Toolkit::TextAnchor> mAnchorActors;
 
   // Signals
-  Toolkit::DevelTextLabel::AnchorClickedSignalType mAnchorClickedSignal;
+  Toolkit::DevelTextLabel::AnchorClickedSignalType  mAnchorClickedSignal;
   Toolkit::DevelTextLabel::TextFitChangedSignalType mTextFitChangedSignal;
 
   int  mRenderingBackend;