#include <dali-toolkit/internal/text/bidirectional-support.h>
#include <dali-toolkit/internal/text/character-set-conversion.h>
#include <dali-toolkit/internal/text/color-segmentation.h>
+#include <dali-toolkit/internal/text/glyph-metrics-helper.h>
#include <dali-toolkit/internal/text/multi-language-support.h>
#include <dali-toolkit/internal/text/segmentation.h>
#include <dali-toolkit/internal/text/shaper.h>
Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
#endif
-/**
- * @brief Some characters can be shaped in more than one glyph.
- * This struct is used to retrieve metrics from these group of glyphs.
- */
-struct GlyphMetrics
-{
- GlyphMetrics()
- : fontHeight( 0.f ),
- advance( 0.f ),
- ascender( 0.f ),
- xBearing( 0.f )
- {}
-
- ~GlyphMetrics()
- {}
-
- float fontHeight; ///< The font's height of that glyphs.
- float advance; ///< The sum of all the advances of all the glyphs.
- float ascender; ///< The font's ascender.
- float xBearing; ///< The x bearing of the first glyph.
-};
-
} // namespace
namespace Dali
namespace Text
{
-/**
- * @brief Get some glyph's metrics of a group of glyphs formed as a result of shaping one character.
- *
- * @param[in] glyphIndex The index to the first glyph.
- * @param[in] numberOfGlyphs The number of glyphs.
- * @param[out] glyphMetrics Some glyph metrics (font height, advance, ascender and x bearing).
- * @param[in] visualModel The visual model.
- * @param[in] metrics Used to access metrics from FontClient.
- */
-void GetGlyphsMetrics( GlyphIndex glyphIndex,
- Length numberOfGlyphs,
- GlyphMetrics& glyphMetrics,
- VisualModelPtr& visualModel,
- MetricsPtr& metrics )
-{
- const GlyphInfo* glyphsBuffer = visualModel->mGlyphs.Begin();
-
- const GlyphInfo& firstGlyph = *( glyphsBuffer + glyphIndex );
-
- Text::FontMetrics fontMetrics;
- metrics->GetFontMetrics( firstGlyph.fontId, fontMetrics );
-
- glyphMetrics.fontHeight = fontMetrics.height;
- glyphMetrics.advance = firstGlyph.advance;
- glyphMetrics.ascender = fontMetrics.ascender;
- glyphMetrics.xBearing = firstGlyph.xBearing;
-
- for( unsigned int i = 1u; i < numberOfGlyphs; ++i )
- {
- const GlyphInfo& glyphInfo = *( glyphsBuffer + glyphIndex + i );
-
- glyphMetrics.advance += glyphInfo.advance;
- }
-}
-
EventData::EventData( DecoratorPtr decorator )
: mDecorator( decorator ),
mImfManager(),
numberOfCharacters = lastParagraph.characterRun.characterIndex + lastParagraph.characterRun.numberOfCharacters - mTextUpdateInfo.mParagraphCharacterIndex;
}
}
+
mTextUpdateInfo.mRequestedNumberOfCharacters = numberOfCharacters + mTextUpdateInfo.mNumberOfCharactersToAdd - mTextUpdateInfo.mNumberOfCharactersToRemove;
mTextUpdateInfo.mStartGlyphIndex = *( mVisualModel->mCharactersToGlyph.Begin() + mTextUpdateInfo.mParagraphCharacterIndex );
}
}
mLogicalModel->mBidirectionalLineInfo.Clear();
- mLogicalModel->mLogicalToVisualMap.Clear();
mLogicalModel->mVisualToLogicalMap.Clear();
}
}
{
mVisualModel->mLines.Clear();
}
+
+ if( COLOR & operations )
+ {
+ mVisualModel->mColorIndices.Clear();
+ }
}
void Controller::Impl::ClearCharacterModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations )
mLogicalModel->mBidirectionalLineInfo.Erase( bidirectionalLineInfoBuffer + startRemoveIndex,
bidirectionalLineInfoBuffer + endRemoveIndex );
- // Clear the logical to visual and the visual to logical conversion tables.
- CharacterIndex* logicalToVisualMapBuffer = mLogicalModel->mLogicalToVisualMap.Begin();
- mLogicalModel->mLogicalToVisualMap.Erase( logicalToVisualMapBuffer + startIndex,
- logicalToVisualMapBuffer + endIndexPlusOne );
-
CharacterIndex* visualToLogicalMapBuffer = mLogicalModel->mVisualToLogicalMap.Begin();
mLogicalModel->mVisualToLogicalMap.Erase( visualToLogicalMapBuffer + startIndex,
visualToLogicalMapBuffer + endIndexPlusOne );
const CharacterIndex endIndexPlusOne = endIndex + 1u;
const Length numberOfCharactersRemoved = endIndexPlusOne - startIndex;
- const bool clearShape = SHAPE_TEXT & operations;
- const bool clearLayout = LAYOUT & operations;
+ // Convert the character index to glyph index before deleting the character to glyph and the glyphs per character buffers.
+ GlyphIndex* charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
+ Length* glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
- if( clearShape || clearLayout )
- {
- // Convert the character index to glyph index before deleting the character to glyph and the glyphs per character buffers.
- GlyphIndex* charactersToGlyphBuffer = mVisualModel->mCharactersToGlyph.Begin();
- Length* glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
-
- const GlyphIndex endGlyphIndex = *( charactersToGlyphBuffer + endIndex );
- const GlyphIndex endGlyphIndexPlusOne = endGlyphIndex + *( glyphsPerCharacterBuffer + endIndex );
- const Length numberOfGlyphsRemoved = endGlyphIndexPlusOne - mTextUpdateInfo.mStartGlyphIndex;
+ const GlyphIndex endGlyphIndexPlusOne = *( charactersToGlyphBuffer + endIndex ) + *( glyphsPerCharacterBuffer + endIndex );
+ const Length numberOfGlyphsRemoved = endGlyphIndexPlusOne - mTextUpdateInfo.mStartGlyphIndex;
- if( clearShape )
+ if( SHAPE_TEXT & operations )
+ {
+ // Update the character to glyph indices.
+ for( Vector<GlyphIndex>::Iterator it = charactersToGlyphBuffer + endIndexPlusOne,
+ endIt = charactersToGlyphBuffer + mVisualModel->mCharactersToGlyph.Count();
+ it != endIt;
+ ++it )
{
- // Update the character to glyph indices.
- for( Vector<GlyphIndex>::Iterator it = charactersToGlyphBuffer + endIndexPlusOne,
- endIt = charactersToGlyphBuffer + mVisualModel->mCharactersToGlyph.Count();
- it != endIt;
- ++it )
- {
- CharacterIndex& index = *it;
- index -= numberOfGlyphsRemoved;
- }
+ CharacterIndex& index = *it;
+ index -= numberOfGlyphsRemoved;
+ }
- // Clear the character to glyph conversion table.
- mVisualModel->mCharactersToGlyph.Erase( charactersToGlyphBuffer + startIndex,
- charactersToGlyphBuffer + endIndexPlusOne );
+ // Clear the character to glyph conversion table.
+ mVisualModel->mCharactersToGlyph.Erase( charactersToGlyphBuffer + startIndex,
+ charactersToGlyphBuffer + endIndexPlusOne );
- // Clear the glyphs per character table.
- mVisualModel->mGlyphsPerCharacter.Erase( glyphsPerCharacterBuffer + startIndex,
- glyphsPerCharacterBuffer + endIndexPlusOne );
+ // Clear the glyphs per character table.
+ mVisualModel->mGlyphsPerCharacter.Erase( glyphsPerCharacterBuffer + startIndex,
+ glyphsPerCharacterBuffer + endIndexPlusOne );
- // Clear the glyphs buffer.
- GlyphInfo* glyphsBuffer = mVisualModel->mGlyphs.Begin();
- mVisualModel->mGlyphs.Erase( glyphsBuffer + mTextUpdateInfo.mStartGlyphIndex,
- glyphsBuffer + endGlyphIndexPlusOne );
+ // Clear the glyphs buffer.
+ GlyphInfo* glyphsBuffer = mVisualModel->mGlyphs.Begin();
+ mVisualModel->mGlyphs.Erase( glyphsBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ glyphsBuffer + endGlyphIndexPlusOne );
- CharacterIndex* glyphsToCharactersBuffer = mVisualModel->mGlyphsToCharacters.Begin();
+ CharacterIndex* glyphsToCharactersBuffer = mVisualModel->mGlyphsToCharacters.Begin();
- // Update the glyph to character indices.
- for( Vector<CharacterIndex>::Iterator it = glyphsToCharactersBuffer + endGlyphIndexPlusOne,
- endIt = glyphsToCharactersBuffer + mVisualModel->mGlyphsToCharacters.Count();
- it != endIt;
- ++it )
- {
- CharacterIndex& index = *it;
- index -= numberOfCharactersRemoved;
- }
+ // Update the glyph to character indices.
+ for( Vector<CharacterIndex>::Iterator it = glyphsToCharactersBuffer + endGlyphIndexPlusOne,
+ endIt = glyphsToCharactersBuffer + mVisualModel->mGlyphsToCharacters.Count();
+ it != endIt;
+ ++it )
+ {
+ CharacterIndex& index = *it;
+ index -= numberOfCharactersRemoved;
+ }
- // Clear the glyphs to characters buffer.
- mVisualModel->mGlyphsToCharacters.Erase( glyphsToCharactersBuffer + mTextUpdateInfo.mStartGlyphIndex,
- glyphsToCharactersBuffer + endGlyphIndexPlusOne );
+ // Clear the glyphs to characters buffer.
+ mVisualModel->mGlyphsToCharacters.Erase( glyphsToCharactersBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ glyphsToCharactersBuffer + endGlyphIndexPlusOne );
- // Clear the characters per glyph buffer.
- Length* charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
- mVisualModel->mCharactersPerGlyph.Erase( charactersPerGlyphBuffer + mTextUpdateInfo.mStartGlyphIndex,
- charactersPerGlyphBuffer + endGlyphIndexPlusOne );
+ // Clear the characters per glyph buffer.
+ Length* charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
+ mVisualModel->mCharactersPerGlyph.Erase( charactersPerGlyphBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ charactersPerGlyphBuffer + endGlyphIndexPlusOne );
- // Clear the positions buffer.
- Vector2* positionsBuffer = mVisualModel->mGlyphPositions.Begin();
- mVisualModel->mGlyphPositions.Erase( positionsBuffer + mTextUpdateInfo.mStartGlyphIndex,
- positionsBuffer + endGlyphIndexPlusOne );
- }
+ // Clear the positions buffer.
+ Vector2* positionsBuffer = mVisualModel->mGlyphPositions.Begin();
+ mVisualModel->mGlyphPositions.Erase( positionsBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ positionsBuffer + endGlyphIndexPlusOne );
+ }
- if( clearLayout )
- {
- // Clear the lines.
- uint32_t startRemoveIndex = mVisualModel->mLines.Count();
- uint32_t endRemoveIndex = startRemoveIndex;
- ClearCharacterRuns( startIndex,
- endIndex,
- mVisualModel->mLines,
- startRemoveIndex,
- endRemoveIndex );
+ if( LAYOUT & operations )
+ {
+ // Clear the lines.
+ uint32_t startRemoveIndex = mVisualModel->mLines.Count();
+ uint32_t endRemoveIndex = startRemoveIndex;
+ ClearCharacterRuns( startIndex,
+ endIndex,
+ mVisualModel->mLines,
+ startRemoveIndex,
+ endRemoveIndex );
- // Will update the glyph runs.
- uint32_t startRemoveGlyphIndex = mVisualModel->mLines.Count();
- uint32_t endRemoveGlyphIndex = startRemoveIndex;
- ClearGlyphRuns( mTextUpdateInfo.mStartGlyphIndex,
- endGlyphIndex,
- mVisualModel->mLines,
- startRemoveGlyphIndex,
- endRemoveGlyphIndex );
+ // Will update the glyph runs.
+ startRemoveIndex = mVisualModel->mLines.Count();
+ endRemoveIndex = startRemoveIndex;
+ ClearGlyphRuns( mTextUpdateInfo.mStartGlyphIndex,
+ endGlyphIndexPlusOne - 1u,
+ mVisualModel->mLines,
+ startRemoveIndex,
+ endRemoveIndex );
- // Set the line index from where to insert the new laid-out lines.
- mTextUpdateInfo.mStartLineIndex = startRemoveIndex;
+ // Set the line index from where to insert the new laid-out lines.
+ mTextUpdateInfo.mStartLineIndex = startRemoveIndex;
- LineRun* linesBuffer = mVisualModel->mLines.Begin();
- mVisualModel->mLines.Erase( linesBuffer + startRemoveIndex,
- linesBuffer + endRemoveIndex );
+ LineRun* linesBuffer = mVisualModel->mLines.Begin();
+ mVisualModel->mLines.Erase( linesBuffer + startRemoveIndex,
+ linesBuffer + endRemoveIndex );
+ }
+
+ if( COLOR & operations )
+ {
+ if( 0u != mVisualModel->mColorIndices.Count() )
+ {
+ ColorIndex* colorIndexBuffer = mVisualModel->mColorIndices.Begin();
+ mVisualModel->mColorIndices.Erase( colorIndexBuffer + mTextUpdateInfo.mStartGlyphIndex,
+ colorIndexBuffer + endGlyphIndexPlusOne );
}
}
}
mTextUpdateInfo.mEstimatedNumberOfLines = std::max( mVisualModel->mLines.Count(), mLogicalModel->mParagraphInfo.Count() );
mVisualModel->ClearCaches();
-
- // TODO finish the mark-up.
- mVisualModel->mColorRuns.Clear();
}
-void Controller::Impl::UpdateModel( OperationsMask operationsRequired )
+bool Controller::Impl::UpdateModel( OperationsMask operationsRequired )
{
DALI_LOG_INFO( gLogFilter, Debug::General, "Controller::UpdateModel\n" );
if( NO_OPERATION == operations )
{
// Nothing to do if no operations are pending and required.
- return;
+ return false;
}
Vector<Character>& utf32Characters = mLogicalModel->mText;
mTextUpdateInfo.mClearAll = false;
+ // Whether the model is updated.
+ bool updated = false;
+
Vector<LineBreakInfo>& lineBreakInfo = mLogicalModel->mLineBreakInfo;
const Length requestedNumberOfCharacters = mTextUpdateInfo.mRequestedNumberOfCharacters;
// Create the paragraph info.
mLogicalModel->CreateParagraphInfo( startIndex,
requestedNumberOfCharacters );
+ updated = true;
}
Vector<WordBreakInfo>& wordBreakInfo = mLogicalModel->mWordBreakInfo;
startIndex,
requestedNumberOfCharacters,
wordBreakInfo );
+ updated = true;
}
const bool getScripts = GET_SCRIPTS & operations;
requestedNumberOfCharacters,
validFonts );
}
+ updated = true;
}
Vector<Character> mirroredUtf32Characters;
// There is no right to left characters. Clear the directions vector.
mLogicalModel->mCharacterDirections.Clear();
}
+ updated = true;
}
Vector<GlyphInfo>& glyphs = mVisualModel->mGlyphs;
// Create the 'number of glyphs' per character and the glyph to character conversion tables.
mVisualModel->CreateGlyphsPerCharacterTable( startIndex, mTextUpdateInfo.mStartGlyphIndex, requestedNumberOfCharacters );
mVisualModel->CreateCharacterToGlyphTable( startIndex, mTextUpdateInfo.mStartGlyphIndex, requestedNumberOfCharacters );
+ updated = true;
}
const Length numberOfGlyphs = glyphs.Count() - currentNumberOfGlyphs;
glyph.width = 0.f;
glyph.advance = 0.f;
}
+ updated = true;
+ }
+
+ if( COLOR & operationsRequired )
+ {
+ // Set the color runs in glyphs.
+ SetColorSegmentationInfo( mLogicalModel->mColorRuns,
+ mVisualModel->mCharactersToGlyph,
+ mVisualModel->mGlyphsPerCharacter,
+ startIndex,
+ mTextUpdateInfo.mStartGlyphIndex,
+ requestedNumberOfCharacters,
+ mVisualModel->mColors,
+ mVisualModel->mColorIndices );
+
+ updated = true;
}
if( ( NULL != mEventData ) &&
// Set the previous number of characters for the next time the text is updated.
mTextUpdateInfo.mPreviousNumberOfCharacters = numberOfCharacters;
-}
-
-bool Controller::Impl::UpdateModelStyle( OperationsMask operationsRequired )
-{
- bool updated = false;
-
- if( COLOR & operationsRequired )
- {
- // Set the color runs in glyphs.
- SetColorSegmentationInfo( mLogicalModel->mColorRuns,
- mVisualModel->mCharactersToGlyph,
- mVisualModel->mGlyphsPerCharacter,
- mVisualModel->mColorRuns );
-
- updated = true;
- }
return updated;
}
{
// Sets the default text's color.
inputStyle.textColor = mTextColor;
+ inputStyle.isDefaultColor = true;
+
+ inputStyle.familyName.clear();
+ inputStyle.weight = TextAbstraction::FontWeight::NORMAL;
+ inputStyle.width = TextAbstraction::FontWidth::NORMAL;
+ inputStyle.slant = TextAbstraction::FontSlant::NORMAL;
+ inputStyle.size = 0.f;
+
+ inputStyle.familyDefined = false;
+ inputStyle.weightDefined = false;
+ inputStyle.widthDefined = false;
+ inputStyle.slantDefined = false;
+ inputStyle.sizeDefined = false;
// Sets the default font's family name, weight, width, slant and size.
if( mFontDefaults )
{
- inputStyle.familyName = mFontDefaults->mFontDescription.family;
- inputStyle.weight = mFontDefaults->mFontDescription.weight;
- inputStyle.width = mFontDefaults->mFontDescription.width;
- inputStyle.slant = mFontDefaults->mFontDescription.slant;
- inputStyle.size = mFontDefaults->mDefaultPointSize;
+ if( mFontDefaults->familyDefined )
+ {
+ inputStyle.familyName = mFontDefaults->mFontDescription.family;
+ inputStyle.familyDefined = true;
+ }
- inputStyle.familyDefined = mFontDefaults->familyDefined;
- inputStyle.weightDefined = mFontDefaults->weightDefined;
- inputStyle.widthDefined = mFontDefaults->widthDefined;
- inputStyle.slantDefined = mFontDefaults->slantDefined;
- inputStyle.sizeDefined = mFontDefaults->sizeDefined;
- }
- else
- {
- inputStyle.familyName.clear();
- inputStyle.weight = TextAbstraction::FontWeight::NORMAL;
- inputStyle.width = TextAbstraction::FontWidth::NORMAL;
- inputStyle.slant = TextAbstraction::FontSlant::NORMAL;
- inputStyle.size = 0.f;
+ if( mFontDefaults->weightDefined )
+ {
+ inputStyle.weight = mFontDefaults->mFontDescription.weight;
+ inputStyle.weightDefined = true;
+ }
+
+ if( mFontDefaults->widthDefined )
+ {
+ inputStyle.width = mFontDefaults->mFontDescription.width;
+ inputStyle.widthDefined = true;
+ }
- inputStyle.familyDefined = false;
- inputStyle.weightDefined = false;
- inputStyle.widthDefined = false;
- inputStyle.slantDefined = false;
- inputStyle.sizeDefined = false;
+ if( mFontDefaults->slantDefined )
+ {
+ inputStyle.slant = mFontDefaults->mFontDescription.slant;
+ inputStyle.slantDefined = true;
+ }
+
+ if( mFontDefaults->sizeDefined )
+ {
+ inputStyle.size = mFontDefaults->mDefaultPointSize;
+ inputStyle.sizeDefined = true;
+ }
}
}
// Get the glyphs per character table.
const Length* const glyphsPerCharacterBuffer = mVisualModel->mGlyphsPerCharacter.Begin();
+ // Get the glyph's info buffer.
+ const GlyphInfo* const glyphInfoBuffer = mVisualModel->mGlyphs.Begin();
+
// If the vector is void, there is no right to left characters.
const bool hasRightToLeftCharacters = NULL != visualToLogicalBuffer;
GetGlyphsMetrics( firstLogicalGlyphIndex,
numberOfGlyphs,
glyphMetrics,
- mVisualModel,
+ glyphInfoBuffer,
mMetrics );
// Get the position of the first glyph.
const Length* const charactersPerGlyphBuffer = mVisualModel->mCharactersPerGlyph.Begin();
const CharacterIndex* const glyphsToCharactersBuffer = mVisualModel->mGlyphsToCharacters.Begin();
const Vector2* const glyphPositionsBuffer = mVisualModel->mGlyphPositions.Begin();
+ const GlyphInfo* const glyphInfoBuffer = mVisualModel->mGlyphs.Begin();
// Convert the cursor position into the glyph position.
const GlyphIndex primaryGlyphIndex = *( charactersToGlyphBuffer + index );
GetGlyphsMetrics( primaryGlyphIndex,
primaryNumberOfGlyphs,
glyphMetrics,
- mVisualModel,
+ glyphInfoBuffer,
mMetrics );
// Whether to add the glyph's advance to the cursor position.
GetGlyphsMetrics( secondaryGlyphIndex,
secondaryNumberOfGlyphs,
glyphMetrics,
- mVisualModel,
+ glyphInfoBuffer,
mMetrics );
// Set the secondary cursor's position.