TextModel - Create paragraph info for a given range of characters inside a text.

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / logical-model-impl.h

diff --git a/dali-toolkit/internal/text/logical-model-impl.h b/dali-toolkit/internal/text/logical-model-impl.h
index 269247f..e41f0fa 100644 (file)
--- a/dali-toolkit/internal/text/logical-model-impl.h
+++ b/dali-toolkit/internal/text/logical-model-impl.h
@@ -26,7 +26,10 @@
 // INTERNAL INCLUDES
 #include <dali-toolkit/internal/text/bidirectional-line-info-run.h>
 #include <dali-toolkit/internal/text/bidirectional-paragraph-info-run.h>
+#include <dali-toolkit/internal/text/color-run.h>
 #include <dali-toolkit/internal/text/font-run.h>
+#include <dali-toolkit/internal/text/font-description-run.h>
+#include <dali-toolkit/internal/text/paragraph-run.h>
 #include <dali-toolkit/internal/text/script-run.h>
 
 namespace Dali
@@ -38,12 +41,9 @@ namespace Toolkit
 namespace Text
 {
 
-struct BidirectionalLineInfoRun;
-struct BidirectionalParagraphInfoRun;
-struct FontRun;
 class LogicalModel;
 typedef IntrusivePtr<LogicalModel> LogicalModelPtr;
-struct ScriptRun;
+struct InputStyle;
 
 /**
  * @brief A logical text model contains layout independent information.
@@ -97,9 +97,13 @@ public:
    *
    * @param[in] bidirectionalInfo Pointer to a buffer with all the bidirectional info runs.
    * @param[in] numberOfRuns The number of bidirectional info runs.
+   * @param[in] startIndex Character index from where the conversion tables are set.
+   * @param[in] numberOfCharacters The number of characters.
    */
   void SetVisualToLogicalMap( const BidirectionalLineInfoRun* const bidirectionalInfo,
-                              Length numberOfRuns );
+                              Length numberOfRuns,
+                              CharacterIndex startIndex,
+                              Length numberOfCharacters );
 
   /**
    * @brief Retrieves the logical character index for the given visual character index.
@@ -110,6 +114,53 @@ public:
    */
   CharacterIndex GetLogicalCharacterIndex( CharacterIndex visualCharacterIndex ) const;
 
+  // Text style.
+
+  /**
+   * @brief Updates the text's style runs with the added or removed text.
+   *
+   * @param[in] index The character's index.
+   * @param[in] numberOfCharacters The number of characters added or removed. If the value is negative the characters are removed.
+   */
+  void UpdateTextStyleRuns( CharacterIndex index, int numberOfCharacters );
+
+  /**
+   * @brief Retrieves the text's style for the given character index.
+   *
+   * @param[in] index The character index.
+   * @param[out] style The text's style in the given style.
+   */
+  void RetrieveStyle( CharacterIndex index, InputStyle& style );
+
+  /**
+   * @brief Clears the font description runs.
+   */
+  void ClearFontDescriptionRuns();
+
+  // Paragraphs
+
+  /**
+   * @brief Creates the paragraph info.
+   *
+   * @pre The line break info must be set.
+   *
+   * @param[in] startIndex The character from where the paragraph info is set.
+   * @param[in] numberOfCharacters The number of characters.
+   */
+  void CreateParagraphInfo( CharacterIndex startIndex,
+                            Length numberOfCharacters );
+
+  /**
+   * @brief Find the paragraphs which contains the given characters.
+   *
+   * @param[in] index The first character's index of the run.
+   * @param[in] numberOfCharacters The number of characters of the run.
+   * @param[out] paragraphs Indices to the paragraphs which contain the characters.
+   */
+  void FindParagraphs( CharacterIndex index,
+                       Length numberOfCharacters,
+                       Vector<ParagraphRunIndex>& paragraphs );
+
 protected:
 
   /**
@@ -135,8 +186,11 @@ public:
   Vector<Character>                     mText;
   Vector<ScriptRun>                     mScriptRuns;
   Vector<FontRun>                       mFontRuns;
+  Vector<ColorRun>                      mColorRuns;
+  Vector<FontDescriptionRun>            mFontDescriptionRuns;
   Vector<LineBreakInfo>                 mLineBreakInfo;
   Vector<WordBreakInfo>                 mWordBreakInfo;
+  Vector<ParagraphRun>                  mParagraphInfo;
   Vector<BidirectionalParagraphInfoRun> mBidirectionalParagraphInfo;
   Vector<CharacterDirection>            mCharacterDirections;        ///< For each character, whether is right to left. ( @e flase is left to right, @e true right to left ).
   Vector<BidirectionalLineInfoRun>      mBidirectionalLineInfo;