const std::string EMOJI_FONT_NAME( "SamsungEmoji" ); // Emoticons font family name.
-/**
- * Updates the word size and ascender.
- *
- * It's called after deleting some characters.
- *
- * @param[in] wordLayout The word layout info.
- */
-void UpdateLayoutInfo( WordLayoutInfo& wordLayout )
-{
- // Initialize layout info for the whole word.
- wordLayout.mSize = Size::ZERO;
- wordLayout.mAscender = 0.f;
-
- // Traverse the character layout info to update the word layout.
- for( CharacterLayoutInfoContainer::iterator layoutIt = wordLayout.mCharactersLayoutInfo.begin(), layoutEndIt = wordLayout.mCharactersLayoutInfo.end();
- layoutIt != layoutEndIt;
- ++layoutIt )
- {
- // Layout info for the current character.
- CharacterLayoutInfo& layoutInfo( *layoutIt );
-
- // Update layout info for the current word.
- UpdateSize( wordLayout.mSize, layoutInfo.mSize );
- wordLayout.mAscender = std::max( wordLayout.mAscender, layoutInfo.mAscender );
- }
-}
-
} // namespace
/////////////////////
: mSize(),
mAscender( 0.f ),
mType( NoSeparator ),
+ mFirstCharacter( 0u ),
mCharactersLayoutInfo()
{
}
: mSize( word.mSize ),
mAscender( word.mAscender ),
mType( word.mType ),
+ mFirstCharacter( word.mFirstCharacter ),
mCharactersLayoutInfo( word.mCharactersLayoutInfo )
{
}
mSize = word.mSize;
mAscender = word.mAscender;
mType = word.mType;
+ mFirstCharacter = word.mFirstCharacter;
mCharactersLayoutInfo = word.mCharactersLayoutInfo;
return *this;
}
-void CreateWordTextInfo( const MarkupProcessor::StyledTextArray& word,
+void CreateWordTextInfo( const Text& paragraph,
+ Vector<TextStyle*>& textStyles,
WordLayoutInfo& wordLayoutInfo )
{
DALI_LOG_INFO( gTextViewProcessorLogFilter, Debug::General, "-->TextViewProcessor::CreateWordTextInfo\n" );
// Split in characters.
- for( MarkupProcessor::StyledTextArray::const_iterator charIt = word.begin(), charEndIt = word.end(); charIt != charEndIt; ++charIt )
+ std::size_t characterIndex = wordLayoutInfo.mFirstCharacter;
+ for( CharacterLayoutInfoContainer::iterator it = wordLayoutInfo.mCharactersLayoutInfo.begin(),
+ endIt = wordLayoutInfo.mCharactersLayoutInfo.end();
+ it != endIt;
+ ++it, ++characterIndex )
{
- const MarkupProcessor::StyledText& styledText( *charIt );
+ // Gets a reference of the character's layout info.
+ CharacterLayoutInfo& characterLayoutInfo( *it );
- const std::size_t length = styledText.mText.GetLength();
+ // Gets the character and the style for that character from the paragraph.
+ Character character = paragraph[characterIndex];
+ TextStyle* textStyle = *( textStyles.Begin() + characterIndex );
- // It could be a group of characters.
- for( std::size_t index = 0u; index < length; ++index )
+ // Checks whether the character is an emoticon.
+ characterLayoutInfo.mIsColorGlyph = GlyphImage::IsColorGlyph( character );
+ DALI_LOG_INFO( gTextViewProcessorLogFilter, Debug::General, " Is color glyph: %s\n", ( characterLayoutInfo.mIsColorGlyph ? "True" : "False" ) );
+
+ if( characterLayoutInfo.mIsColorGlyph )
+ {
+ // If the character is an emoticon a predefined font is set.
+ textStyle->SetFontName( EMOJI_FONT_NAME );
+ }
+ else
{
- MarkupProcessor::StyledText styledCharacter;
- styledCharacter.mStyle = styledText.mStyle;
- Character character = styledText.mText[index];
- styledCharacter.mText.Append( character );
+ // Checks if the font family and the font style set in the text style supports the character.
+ // If not, it chooses the right font for the given character and style.
+ ChooseFontFamilyName( character, *textStyle );
+ }
- // Create layout character info.
- CharacterLayoutInfo characterLayoutInfo;
+ // Gets the metrics of the font.
+ const Font font = Font::New( FontParameters( textStyle->GetFontName(), textStyle->GetFontStyle(), textStyle->GetFontPointSize() ) );
+ const Font::Metrics metrics = font.GetMetrics( character );
+ const float ascender = font.GetAscender();
- characterLayoutInfo.mIsColorGlyph = GlyphImage::IsColorGlyph( character );
- DALI_LOG_INFO( gTextViewProcessorLogFilter, Debug::General, " Is color glyph: %s\n", ( characterLayoutInfo.mIsColorGlyph ? "True" : "False" ) );
+ // Fill Natural size info for current character.
- if( characterLayoutInfo.mIsColorGlyph )
- {
- styledCharacter.mStyle.SetFontName( EMOJI_FONT_NAME );
- }
- else
- {
- //Choose the right font for the given character and style.
- ChooseFontFamilyName( styledCharacter );
- }
+ // The font line's height is used as character's height.
+ characterLayoutInfo.mSize.height = font.GetLineHeight();
- const Font font = Font::New( FontParameters( styledCharacter.mStyle.GetFontName(), styledCharacter.mStyle.GetFontStyle(), styledCharacter.mStyle.GetFontPointSize() ) );
- const Font::Metrics metrics = font.GetMetrics( character );
- const float ascender = font.GetAscender();
+ // The character's advance is used as charcter's width.
+ characterLayoutInfo.mSize.width = metrics.GetAdvance();
- // Fill Natural size info for current character.
- characterLayoutInfo.mHeight = font.GetLineHeight();
- characterLayoutInfo.mAdvance = metrics.GetAdvance();
- characterLayoutInfo.mBearing = metrics.GetBearing();
+ // The ascender and bearing are used to position correctly glyphs of different font sizes.
+ characterLayoutInfo.mAscender = ascender;
+ characterLayoutInfo.mBearing = metrics.GetBearing();
- if( character.IsNewLine() && !characterLayoutInfo.mIsColorGlyph )
- {
- // A new paragraph character doesn't have any width.
- characterLayoutInfo.mSize.width = 0.f;
- }
- else
- {
- // Uses advance as width.
- characterLayoutInfo.mSize.width = characterLayoutInfo.mAdvance;
- }
- characterLayoutInfo.mSize.height = characterLayoutInfo.mHeight;
- characterLayoutInfo.mAscender = ascender;
-
- if( styledCharacter.mStyle.IsUnderlineEnabled() )
- {
- characterLayoutInfo.mUnderlineThickness = font.GetUnderlineThickness(); // Both thickness and position includes the
- characterLayoutInfo.mUnderlinePosition = font.GetUnderlinePosition(); // vertical pad adjust used in effects like glow or shadow.
- }
+ if( character.IsNewLine() && !characterLayoutInfo.mIsColorGlyph )
+ {
+ // A new paragraph character '\n' doesn't have any width.
+ characterLayoutInfo.mSize.width = 0.f;
+ }
- // stores the styled text.
- characterLayoutInfo.mStyledText.mText = styledCharacter.mText;
- characterLayoutInfo.mStyledText.mStyle = styledCharacter.mStyle;
+ // Set's the underline thickness and position.
+ // Both thickness and position includes the vertical pad adjust used in effects like glow or shadow.
+ if( textStyle->IsUnderlineEnabled() )
+ {
+ characterLayoutInfo.mUnderlineThickness = font.GetUnderlineThickness();
+ characterLayoutInfo.mUnderlinePosition = font.GetUnderlinePosition();
+ }
- // Add character layout info to the word layout info and update it.
- wordLayoutInfo.mCharactersLayoutInfo.push_back( characterLayoutInfo );
- UpdateSize( wordLayoutInfo.mSize, characterLayoutInfo.mSize );
- wordLayoutInfo.mAscender = std::max( wordLayoutInfo.mAscender, characterLayoutInfo.mAscender );
- wordLayoutInfo.mType = GetTextSeparatorType( character );
- } // end of each character in the group of characters.
+ // Updates the word size and ascender.
+ UpdateSize( wordLayoutInfo.mSize, characterLayoutInfo.mSize );
+ wordLayoutInfo.mAscender = std::max( wordLayoutInfo.mAscender, characterLayoutInfo.mAscender );
} // end of characters in the word.
DALI_LOG_INFO( gTextViewProcessorLogFilter, Debug::General, "<--TextViewProcessor::CreateWordTextInfo\n" );
}
+void UpdateLayoutInfo( WordLayoutInfo& wordLayout )
+{
+ // Initialize layout info for the whole word.
+ wordLayout.mSize = Size::ZERO;
+ wordLayout.mAscender = 0.f;
+
+ // Traverse the character layout info to update the word layout.
+ for( CharacterLayoutInfoContainer::iterator layoutIt = wordLayout.mCharactersLayoutInfo.begin(), layoutEndIt = wordLayout.mCharactersLayoutInfo.end();
+ layoutIt != layoutEndIt;
+ ++layoutIt )
+ {
+ // Layout info for the current character.
+ CharacterLayoutInfo& layoutInfo( *layoutIt );
+
+ // Update layout info for the current word.
+ UpdateSize( wordLayout.mSize, layoutInfo.mSize );
+ wordLayout.mAscender = std::max( wordLayout.mAscender, layoutInfo.mAscender );
+ }
+}
+
void RemoveCharactersFromWordInfo( TextView::RelayoutData& relayoutData,
const std::size_t numberOfCharacters,
bool& mergeWords,
projects / platform / core / uifw / dali-toolkit.git / blobdiff