#include <dali-toolkit/internal/text/bidirectional-support.h>
// EXTERNAL INCLUDES
-#include <dali/public-api/text-abstraction/bidirectional-support.h>
+#include <memory.h>
+#include <dali/devel-api/text-abstraction/bidirectional-support.h>
namespace Dali
{
}
}
-void ReplaceBidirectionalInfo( LogicalModel& model,
- CharacterIndex characterIndex,
- Length numberOfCharactersToRemove,
- Length numberOfCharactersToInsert )
-{
-}
-
void ReorderLines( const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
- const Vector<LineRun>& lineRuns,
+ Vector<LineRun>& lineRuns,
Vector<BidirectionalLineInfoRun>& lineInfoRuns )
{
// Handle to the bidirectional info module in text-abstraction.
++it )
{
const BidirectionalParagraphInfoRun& paragraphInfo = *it;
+ const CharacterDirection direction = bidirectionalSupport.GetParagraphDirection( paragraphInfo.bidirectionalInfoIndex );
// Get the lines for this paragraph.
unsigned int firstLine = 0u;
lineIndex = firstLine + numberOfLines;
// Traverse the lines and reorder them
- for( Vector<LineRun>::ConstIterator lineIt = lineRuns.Begin() + firstLine,
+ for( Vector<LineRun>::Iterator lineIt = lineRuns.Begin() + firstLine,
endLineIt = lineRuns.Begin() + firstLine + numberOfLines;
lineIt != endLineIt;
++lineIt )
{
- const LineRun& line = *lineIt;
+ LineRun& line = *lineIt;
+
+ // Sets the paragraph's direction.
+ line.direction = direction;
// Creates a bidirectional info for the line run.
BidirectionalLineInfoRun lineInfoRun;
lineInfoRun.characterRun.characterIndex = line.characterRun.characterIndex;
lineInfoRun.characterRun.numberOfCharacters = line.characterRun.numberOfCharacters;
+ lineInfoRun.direction = direction;
// Allocate space for the conversion maps.
// The memory is freed after the visual to logical to visual conversion tables are built in the logical model.
lineInfoRun.visualToLogicalMap = reinterpret_cast<CharacterIndex*>( malloc( line.characterRun.numberOfCharacters * sizeof( CharacterIndex ) ) );
- // Reorders the line.
- bidirectionalSupport.Reorder( paragraphInfo.bidirectionalInfoIndex,
- line.characterRun.characterIndex,
- line.characterRun.numberOfCharacters,
- lineInfoRun.visualToLogicalMap );
+ if( NULL != lineInfoRun.visualToLogicalMap )
+ {
+ // Reorders the line.
+ bidirectionalSupport.Reorder( paragraphInfo.bidirectionalInfoIndex,
+ line.characterRun.characterIndex - paragraphInfo.characterRun.characterIndex,
+ line.characterRun.numberOfCharacters,
+ lineInfoRun.visualToLogicalMap );
+ }
// Push the run into the vector.
lineInfoRuns.PushBack( lineInfoRun );
}
}
-void ReorderLines( LogicalModel& logicalModel,
- const VisualModel& visualModel,
- CharacterIndex characterIndex,
- Length numberOfCharactersToRemove,
- Length numberOfCharactersToInsert )
+bool GetMirroredText( const Vector<Character>& text,
+ Vector<Character>& mirroredText,
+ const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo )
+{
+ bool hasTextMirrored = false;
+
+ // Handle to the bidirectional info module in text-abstraction.
+ TextAbstraction::BidirectionalSupport bidirectionalSupport = TextAbstraction::BidirectionalSupport::Get();
+
+ mirroredText = text;
+
+ Character* mirroredTextBuffer = mirroredText.Begin();
+
+ // Traverse the paragraphs and mirror the right to left ones.
+ for( Vector<BidirectionalParagraphInfoRun>::ConstIterator it = bidirectionalInfo.Begin(),
+ endIt = bidirectionalInfo.End();
+ it != endIt;
+ ++it )
+ {
+ const BidirectionalParagraphInfoRun& run = *it;
+
+ const bool tmpMirrored = bidirectionalSupport.GetMirroredText( mirroredTextBuffer + run.characterRun.characterIndex,
+ run.characterRun.numberOfCharacters );
+
+ hasTextMirrored = hasTextMirrored || tmpMirrored;
+ }
+
+ return hasTextMirrored;
+}
+
+void GetCharactersDirection( const Vector<BidirectionalParagraphInfoRun>& bidirectionalInfo,
+ Vector<CharacterDirection>& directions )
{
+ // Handle to the bidirectional info module in text-abstraction.
+ TextAbstraction::BidirectionalSupport bidirectionalSupport = TextAbstraction::BidirectionalSupport::Get();
+
+ CharacterIndex index = 0u;
+ CharacterDirection* directionsBuffer = directions.Begin();
+ for( Vector<BidirectionalParagraphInfoRun>::ConstIterator it = bidirectionalInfo.Begin(),
+ endIt = bidirectionalInfo.End();
+ it != endIt;
+ ++it )
+ {
+ const BidirectionalParagraphInfoRun& paragraph = *it;
+
+ // Fills with left to right those paragraphs without right to left characters.
+ memset( directionsBuffer + index, false, ( paragraph.characterRun.characterIndex - index ) * sizeof( bool ) );
+ index += paragraph.characterRun.numberOfCharacters;
+
+ bidirectionalSupport.GetCharactersDirection( paragraph.bidirectionalInfoIndex,
+ directionsBuffer + paragraph.characterRun.characterIndex,
+ paragraph.characterRun.numberOfCharacters );
+ }
+
+ // Fills with left to right those paragraphs without right to left characters.
+ memset( directionsBuffer + index, false, ( directions.Count() - index ) * sizeof( bool ) );
}
} // namespace Text