#define DALI_TOOLKIT_TEXT_BIDIRECTIONAL_SUPPORT_H
/*
- * Copyright (c) 2019 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 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>
+#include <dali/public-api/common/dali-vector.h>
// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/bidirectional-line-info-run.h>
namespace Dali
{
-
namespace Toolkit
{
-
namespace Text
{
-
/**
* Sets the bidirectional info into the logical model.
*
* @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.
+ * @param[in] matchLayoutDirection Whether match for layout direction or not.
+ * @param[in] layoutDirection The direction of the layout.
*/
-void SetBidirectionalInfo( const Vector<Character>& text,
- const Vector<ScriptRun>& scripts,
- const Vector<LineBreakInfo>& lineBreakInfo,
- CharacterIndex startIndex,
- Length numberOfCharacters,
- Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
- bool matchSystemLanguageDirection = false,
- Dali::LayoutDirection::Type layoutDirection = LayoutDirection::LEFT_TO_RIGHT );
+void SetBidirectionalInfo(const Vector<Character>& text,
+ const Vector<ScriptRun>& scripts,
+ const Vector<LineBreakInfo>& lineBreakInfo,
+ CharacterIndex startIndex,
+ Length numberOfCharacters,
+ Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
+ bool matchLayoutDirection = false,
+ Dali::LayoutDirection::Type layoutDirection = LayoutDirection::LEFT_TO_RIGHT);
/**
- * Sets the visual to logical map tables.
+ * @brief Sets the visual to logical map table for a given line.
*
- * Any map tables previously set are removed.
- * It sets the paragraph's direction to each line.
- *
- * @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.
- *
- * @param[in] bidirectionalInfo Vector with the bidirectional infor for each paragraph.
+ * @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,out] lineRuns The line runs converted to characters.
- * @param[out] lineInfoRuns line runs with the visual to logical conversion maps.
+ * @param[in] startIndexInSecondHalfLine The character from where the bidirectional info is set for the second half of line..
+ * @param[in] numberOfCharactersInSecondHalfLine The number of characters for the second half of line..
+ * @param[in] direction The direction of the line.
*/
-void ReorderLines( const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
- CharacterIndex startIndex,
- Length numberOfCharacters,
- Vector<LineRun>& lineRuns,
- Vector<BidirectionalLineInfoRun>& lineInfoRuns );
+void ReorderLine(const BidirectionalParagraphInfoRun& bidirectionalParagraphInfo,
+ Vector<BidirectionalLineInfoRun>& lineInfoRuns,
+ BidirectionalLineRunIndex bidiLineIndex,
+ CharacterIndex startIndex,
+ Length numberOfCharacters,
+ CharacterIndex startIndexInSecondHalfLine,
+ Length numberOfCharactersInSecondHalfLine,
+ CharacterDirection direction);
/**
* @brief Replaces any character in the right to left paragraphs which could be mirrored.
*
* @return @e true if a character has been replaced.
*/
-bool GetMirroredText( const Vector<Character>& text,
- const Vector<CharacterDirection>& directions,
- const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
- CharacterIndex startIndex,
- Length numberOfCharacters,
- Vector<Character>& mirroredText );
+bool GetMirroredText(const Vector<Character>& text,
+ const Vector<CharacterDirection>& directions,
+ const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
+ CharacterIndex startIndex,
+ Length numberOfCharacters,
+ Vector<Character>& mirroredText);
/**
- * @brief Retrieves the character's directions.
+ * @brief Retrieves the characters' directions.
*
* @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.
* @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 GetCharactersDirection( const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
- Length totalNumberOfCharacters,
- CharacterIndex startIndex,
- Length numberOfCharacters,
- Vector<CharacterDirection>& directions );
+void GetCharactersDirection(const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
+ Length totalNumberOfCharacters,
+ CharacterIndex startIndex,
+ Length numberOfCharacters,
+ Vector<CharacterDirection>& directions);
} // namespace Text