X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Flogical-model-impl.h;h=9f2fa31c00223d0ed9c37ad50819908843c539e2;hp=e41f0faa85702dd161f47cb87554a0011db9c0b0;hb=964dd7f6a94f280063595dbb48fb8f1232836789;hpb=e5ca10134c73ca0588f893adde82694ad907dd8d diff --git a/dali-toolkit/internal/text/logical-model-impl.h b/dali-toolkit/internal/text/logical-model-impl.h index e41f0fa..9f2fa31 100644 --- a/dali-toolkit/internal/text/logical-model-impl.h +++ b/dali-toolkit/internal/text/logical-model-impl.h @@ -89,30 +89,46 @@ public: // Visual <--> Logical conversion tables. /** - * @brief Sets the visual to logical and the logical to visual map tables. + * @brief Retrieves the logical cursor index for the given visual cursor index. * - * Replaces any map tables previously set. + * @pre The method FetchBidirectionalLineInfo() must be called before. If the result of FetchBidirectionalLineInfo() is false, + * then the character is not in a bidirectional line and the result will be invalid. * - * @note If the number of runs is zero the bidirectional info buffer is cleared. + * @param[in] visualCursorIndex The visual cursor index. * - * @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. + * @return The logical cursor index. */ - void SetVisualToLogicalMap( const BidirectionalLineInfoRun* const bidirectionalInfo, - Length numberOfRuns, - CharacterIndex startIndex, - Length numberOfCharacters ); + CharacterIndex GetLogicalCursorIndex( CharacterIndex visualCursorIndex ); /** * @brief Retrieves the logical character index for the given visual character index. * + * @pre The method FetchBidirectionalLineInfo() must be called before. If the result of FetchBidirectionalLineInfo() is false, + * then the character is not in a bidirectional line and the result will be invalid. + * * @param[in] visualCharacterIndex The visual character index. * * @return The logical character index. */ - CharacterIndex GetLogicalCharacterIndex( CharacterIndex visualCharacterIndex ) const; + CharacterIndex GetLogicalCharacterIndex( CharacterIndex visualCharacterIndex ); + + /** + * @brief Fetch the bidirectional line info for the given character. + * + * Call GetBidirectionalLineInfo() to retrieve the last fetched line. + * + * @param[in] characterIndex The character index. + * + * @return @e true if the given @e character is in a bidirectional line. + */ + bool FetchBidirectionalLineInfo( CharacterIndex characterIndex ); + + /** + * @brief Retrieves the last fetched bidirectional line info. + * + * @return The index of the bidirectional line info. + */ + BidirectionalLineRunIndex GetBidirectionalLineInfo() const; // Text style. @@ -192,11 +208,10 @@ public: Vector mWordBreakInfo; Vector mParagraphInfo; Vector mBidirectionalParagraphInfo; - Vector mCharacterDirections; ///< For each character, whether is right to left. ( @e flase is left to right, @e true right to left ). + Vector mCharacterDirections; ///< For each character, whether is right to left. ( @e flase is left to right, @e true right to left ). Vector mBidirectionalLineInfo; - Vector mLogicalToVisualMap; ///< Bidirectional logical to visual conversion table. - Vector mVisualToLogicalMap; ///< Bidirectional visual to logical conversion table. - Vector mVisualToLogicalCursorMap; ///< Bidirectional visual to logical cursor conversion table. + + BidirectionalLineRunIndex mBidirectionalLineIndex; ///< The last fetched bidirectional line info. }; } // namespace Text