-#ifndef __DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H__
-#define __DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H__
+#ifndef DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H
+#define DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H
/*
- * Copyright (c) 2015 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.
// EXTERNAL INCLUDES
#include <dali/public-api/common/dali-vector.h>
+#include <dali/public-api/actors/actor-enumerations.h>
// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/bidirectional-line-info-run.h>
namespace Text
{
-class LogicalModel;
-class VisualModel;
-
/**
* Sets the bidirectional info into the logical model.
*
* @param[in] text Vector of UTF-32 characters.
* @param[in] scripts Vector containing the script runs for the whole text.
* @param[in] lineBreakInfo The line break info.
+ * @param[in] startIndex The character from where the bidirectional info is set.
+ * @param[in] numberOfCharacters The number of characters.
* @param[out] bidirectionalInfo Vector with the bidirectional infor for each paragraph.
+ * @param[in] matchSystemLanguageDirection Whether match for system language direction or not.
+ * @param[in] layoutDirection The direction of the system language.
*/
void SetBidirectionalInfo( const Vector<Character>& text,
const Vector<ScriptRun>& scripts,
const Vector<LineBreakInfo>& lineBreakInfo,
- Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo );
+ CharacterIndex startIndex,
+ Length numberOfCharacters,
+ Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
+ bool matchSystemLanguageDirection = false,
+ Dali::LayoutDirection::Type layoutDirection = LayoutDirection::LEFT_TO_RIGHT );
/**
- * Replaces the bidirectional info from the logical model.
- *
- * @pre The @p model needs to have a text set.
- * @pre The @p model needs to have the line break info set.
- *
- * If the @p numberOfCharactersToRemove is zero, this operation is like an insert.
- * If the @p numberOfCharactersToInsert is zero, this operation is like a remove.
+ * @brief Sets the visual to logical map table for a given line.
*
- * @param[in,out] model The text's logical model.
- * @param[in] characterIndex Index to the first character.
- * @param[in] numberOfCharactersToRemove The number of characters removed from the text.
- * @param[in] numberOfCharactersToInsert The number of characters inserted in the text.
+ * @param[in] bidirectionalParagraphInfo The paragraph's bidirectional info.
+ * @param[out] lineInfoRuns Line runs with the visual to logical conversion maps.
+ * @param[in] bidiLineIndex Index to the line's bidirectional info.
+ * @param[in] startIndex The character from where the bidirectional info is set.
+ * @param[in] numberOfCharacters The number of characters.
+ * @param[in] direction The direction of the line.
*/
-void ReplaceBidirectionalInfo( LogicalModel& model,
- CharacterIndex characterIndex,
- Length numberOfCharactersToRemove,
- Length numberOfCharactersToInsert );
+void ReorderLine( const BidirectionalParagraphInfoRun& bidirectionalParagraphInfo,
+ Vector<BidirectionalLineInfoRun>& lineInfoRuns,
+ BidirectionalLineRunIndex bidiLineIndex,
+ CharacterIndex startIndex,
+ Length numberOfCharacters,
+ CharacterDirection direction );
/**
- * Sets the visual to logical and logical to visual map tables.
- *
- * Any map tables previously set are removed.
- *
- * @pre The @p logicalModel needs to have a text set.
- * @pre The @p logicalModel needs to have the bidirectional info indices for each paragraph set.
- * @pre The @p visualModel needs to have the laid-out lines info set.
+ * @brief Replaces any character in the right to left paragraphs which could be mirrored.
*
+ * @param[in] text The text.
+ * @param[in] directions Vector with the direction of each paragraph.
* @param[in] bidirectionalInfo Vector with the bidirectional infor for each paragraph.
- * @param[in] lineRuns The line runs converted to characters.
- * @param[out] lineInfoRuns line runs with the visual to logical and logical to visual conversion maps.
+ * @param[in] startIndex The character from where the text is mirrored.
+ * @param[in] numberOfCharacters The number of characters.
+ * @param[out] mirroredText The mirroredText.
+ *
+ * @return @e true if a character has been replaced.
*/
-void ReorderLines( const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
- const Vector<LineRun>& lineRuns,
- Vector<BidirectionalLineInfoRun>& lineInfoRuns );
+bool GetMirroredText( const Vector<Character>& text,
+ const Vector<CharacterDirection>& directions,
+ const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
+ CharacterIndex startIndex,
+ Length numberOfCharacters,
+ Vector<Character>& mirroredText );
/**
- * Replaces the visual to logical and logical to visual map tables.
+ * @brief Retrieves the characters' directions.
*
* @pre The @p logicalModel needs to have a text set.
- * @pre The @p logicalModel needs to have the line break info set.
- * @pre The @p visualModel needs to have the laid-out lines info set.
- *
- * If the @p numberOfCharactersToRemove is zero, this operation is like an insert.
- * If the @p numberOfCharactersToInsert is zero, this operation is like a remove.
+ * @pre The @p logicalModel needs to have the bidirectional info indices for each paragraph set.
*
- * @param[in,out] logicalModel The text's logical model.
- * @param[in] visualModel The text's visual model.
- * @param[in] characterIndex Index to the first character.
- * @param[in] numberOfCharactersToRemove The number of characters removed from the text.
- * @param[in] numberOfCharactersToInsert The number of characters inserted in the text.
+ * @param[in] bidirectionalInfo Vector with the bidirectional infor for each paragraph.
+ * @param[in] totalNumberOfCharacters The number of characters of the whole text.
+ * @param[in] startIndex The character from where the direction info is set.
+ * @param[in] numberOfCharacters The number of characters.
+ * @param[out] directions The direction, @e false is left to right and @e true is right to left, of each character of the paragraph.
*/
-void ReorderLines( LogicalModel& logicalModel,
- const VisualModel& visualModel,
- CharacterIndex characterIndex,
- Length numberOfCharactersToRemove,
- Length numberOfCharactersToInsert );
+void GetCharactersDirection( const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
+ Length totalNumberOfCharacters,
+ CharacterIndex startIndex,
+ Length numberOfCharacters,
+ Vector<CharacterDirection>& directions );
} // namespace Text
} // namespace Dali
-#endif // __DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H__
+#endif // DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H
projects / platform / core / uifw / dali-toolkit.git / blobdiff