/*
- * 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.
namespace Dali
{
-
namespace Toolkit
{
-
namespace Text
{
-
-CharacterIndex min( CharacterIndex index0,
- CharacterIndex index1 )
+CharacterIndex min(CharacterIndex index0,
+ CharacterIndex index1)
{
- return ( index0 < index1 ) ? index0 : index1;
+ return (index0 < index1) ? index0 : index1;
}
-void ShapeText( const Vector<Character>& text,
- const Vector<LineBreakInfo>& lineBreakInfo,
- const Vector<ScriptRun>& scripts,
- const Vector<FontRun>& fonts,
- CharacterIndex startCharacterIndex,
- GlyphIndex startGlyphIndex,
- Length numberOfCharacters,
- Vector<GlyphInfo>& glyphs,
- Vector<CharacterIndex>& glyphToCharacterMap,
- Vector<Length>& charactersPerGlyph,
- Vector<GlyphIndex>& newParagraphGlyphs )
+void ShapeText(const Vector<Character>& text,
+ const Vector<LineBreakInfo>& lineBreakInfo,
+ const Vector<ScriptRun>& scripts,
+ const Vector<FontRun>& fonts,
+ CharacterIndex startCharacterIndex,
+ GlyphIndex startGlyphIndex,
+ Length numberOfCharacters,
+ Vector<GlyphInfo>& glyphs,
+ Vector<CharacterIndex>& glyphToCharacterMap,
+ Vector<Length>& charactersPerGlyph,
+ Vector<GlyphIndex>& newParagraphGlyphs)
{
- if( 0u == numberOfCharacters )
+ if(0u == numberOfCharacters)
{
// Nothing to do if there are no characters.
return;
}
#ifdef DEBUG_ENABLED
- const Length numberOfFontRuns = fonts.Count();
- const Length numberOfScriptRuns = scripts.Count();
+ const Length numberOfFontRuns = fonts.Count();
+ const Length numberOfScriptRuns = scripts.Count();
const Length totalNumberOfCharacters = text.Count();
#endif
- DALI_ASSERT_DEBUG( ( 0u != numberOfFontRuns ) &&
- ( totalNumberOfCharacters == fonts[numberOfFontRuns - 1u].characterRun.characterIndex + fonts[numberOfFontRuns - 1u].characterRun.numberOfCharacters ) &&
- "Toolkit::Text::ShapeText. All characters must have a font set." );
+ DALI_ASSERT_DEBUG((0u != numberOfFontRuns) &&
+ (totalNumberOfCharacters == fonts[numberOfFontRuns - 1u].characterRun.characterIndex + fonts[numberOfFontRuns - 1u].characterRun.numberOfCharacters) &&
+ "Toolkit::Text::ShapeText. All characters must have a font set.");
- DALI_ASSERT_DEBUG( ( 0u != numberOfScriptRuns ) &&
- ( totalNumberOfCharacters == scripts[numberOfScriptRuns - 1u].characterRun.characterIndex + scripts[numberOfScriptRuns - 1u].characterRun.numberOfCharacters ) &&
- "Toolkit::Text::ShapeText. All characters must have a script set." );
+ DALI_ASSERT_DEBUG((0u != numberOfScriptRuns) &&
+ (totalNumberOfCharacters == scripts[numberOfScriptRuns - 1u].characterRun.characterIndex + scripts[numberOfScriptRuns - 1u].characterRun.numberOfCharacters) &&
+ "Toolkit::Text::ShapeText. All characters must have a script set.");
// The text needs to be split in chunks of consecutive characters.
// Each chunk must contain characters with the same font id and script set.
// Get the font run containing the startCharacterIndex character.
Vector<FontRun>::ConstIterator fontRunIt = fonts.Begin();
- for( Vector<FontRun>::ConstIterator endIt = fonts.End(); fontRunIt < endIt; ++fontRunIt )
+ for(Vector<FontRun>::ConstIterator endIt = fonts.End(); fontRunIt < endIt; ++fontRunIt)
{
const FontRun& run = *fontRunIt;
- if( startCharacterIndex < run.characterRun.characterIndex + run.characterRun.numberOfCharacters )
+ if(startCharacterIndex < run.characterRun.characterIndex + run.characterRun.numberOfCharacters)
{
// Found.
break;
// Get the script run containing the startCharacterIndex character.
Vector<ScriptRun>::ConstIterator scriptRunIt = scripts.Begin();
- for( Vector<ScriptRun>::ConstIterator endIt = scripts.End(); scriptRunIt < endIt; ++scriptRunIt )
+ for(Vector<ScriptRun>::ConstIterator endIt = scripts.End(); scriptRunIt < endIt; ++scriptRunIt)
{
const ScriptRun& run = *scriptRunIt;
- if( startCharacterIndex < run.characterRun.characterIndex + run.characterRun.numberOfCharacters )
+ if(startCharacterIndex < run.characterRun.characterIndex + run.characterRun.numberOfCharacters)
{
// Found.
break;
GlyphInfo glyphInfo;
glyphInfo.isItalicRequired = false;
- glyphInfo.isBoldRequired = false;
+ glyphInfo.isBoldRequired = false;
- const Length currentNumberOfGlyphs = glyphs.Count();
- const Length numberOfGlyphsReserved = static_cast<Length>( numberOfCharacters * 1.3f );
- glyphs.Reserve( currentNumberOfGlyphs + numberOfGlyphsReserved );
- glyphToCharacterMap.Reserve( currentNumberOfGlyphs + numberOfGlyphsReserved );
+ const Length currentNumberOfGlyphs = glyphs.Count();
+ const Length numberOfGlyphsReserved = static_cast<Length>(numberOfCharacters * 1.3f);
+ glyphs.Reserve(currentNumberOfGlyphs + numberOfGlyphsReserved);
+ glyphToCharacterMap.Reserve(currentNumberOfGlyphs + numberOfGlyphsReserved);
// The actual number of glyphs.
Length totalNumberOfGlyphs = currentNumberOfGlyphs;
// The number of new glyphs.
Length numberOfNewGlyphs = 0u;
- const Character* const textBuffer = text.Begin();
- const LineBreakInfo* const lineBreakInfoBuffer = lineBreakInfo.Begin();
- CharacterIndex* glyphToCharacterMapBuffer = glyphToCharacterMap.Begin();
+ const Character* const textBuffer = text.Begin();
+ const LineBreakInfo* const lineBreakInfoBuffer = lineBreakInfo.Begin();
+ CharacterIndex* glyphToCharacterMapBuffer = glyphToCharacterMap.Begin();
Length glyphIndex = startGlyphIndex;
// Traverse the characters and shape the text.
const CharacterIndex lastCharacter = startCharacterIndex + numberOfCharacters;
- for( previousIndex = startCharacterIndex; previousIndex < lastCharacter; )
+ for(previousIndex = startCharacterIndex; previousIndex < lastCharacter;)
{
// Get the font id and the script.
- const FontRun& fontRun = *fontRunIt;
+ const FontRun& fontRun = *fontRunIt;
const ScriptRun& scriptRun = *scriptRunIt;
- currentFontId = fontRun.fontId;
- currentScript = scriptRun.script;
+ currentFontId = fontRun.fontId;
+ currentScript = scriptRun.script;
const bool isItalicRequired = fontRun.isItalicRequired;
- const bool isBoldRequired = fontRun.isBoldRequired;
+ const bool isBoldRequired = fontRun.isBoldRequired;
// Get the min index to the last character of both runs.
- CharacterIndex currentIndex = min( fontRun.characterRun.characterIndex + fontRun.characterRun.numberOfCharacters,
- scriptRun.characterRun.characterIndex + scriptRun.characterRun.numberOfCharacters );
+ CharacterIndex currentIndex = min(fontRun.characterRun.characterIndex + fontRun.characterRun.numberOfCharacters,
+ scriptRun.characterRun.characterIndex + scriptRun.characterRun.numberOfCharacters);
// Check if there is a line must break.
bool mustBreak = false;
// However, the metrics need to be changed in order to not to draw a square.
bool isNewParagraph = false;
- for( CharacterIndex index = previousIndex; index < currentIndex; ++index )
+ for(CharacterIndex index = previousIndex; index < currentIndex; ++index)
{
- mustBreak = TextAbstraction::LINE_MUST_BREAK == *( lineBreakInfoBuffer + index );
- if( mustBreak )
+ mustBreak = TextAbstraction::LINE_MUST_BREAK == *(lineBreakInfoBuffer + index);
+ if(mustBreak)
{
- isNewParagraph = TextAbstraction::IsNewParagraph( *( textBuffer + index ) );
- currentIndex = index + 1u;
+ isNewParagraph = TextAbstraction::IsNewParagraph(*(textBuffer + index));
+ currentIndex = index + 1u;
break;
}
}
// Shape the text for the current chunk.
- const Length numberOfGlyphs = shaping.Shape( textBuffer + previousIndex,
- ( currentIndex - previousIndex ), // The number of characters to shape.
- currentFontId,
- currentScript );
+ const Length numberOfGlyphs = shaping.Shape(textBuffer + previousIndex,
+ (currentIndex - previousIndex), // The number of characters to shape.
+ currentFontId,
+ currentScript);
// Retrieve the glyphs and the glyph to character conversion map.
- Vector<GlyphInfo> tmpGlyphs;
+ Vector<GlyphInfo> tmpGlyphs;
Vector<CharacterIndex> tmpGlyphToCharacterMap;
GlyphInfo glyphInfo;
glyphInfo.isItalicRequired = isItalicRequired;
- glyphInfo.isBoldRequired = isBoldRequired;
+ glyphInfo.isBoldRequired = isBoldRequired;
- tmpGlyphs.Resize( numberOfGlyphs, glyphInfo );
- tmpGlyphToCharacterMap.Resize( numberOfGlyphs );
- shaping.GetGlyphs( tmpGlyphs.Begin(),
- tmpGlyphToCharacterMap.Begin() );
+ tmpGlyphs.Resize(numberOfGlyphs, glyphInfo);
+ tmpGlyphToCharacterMap.Resize(numberOfGlyphs);
+ shaping.GetGlyphs(tmpGlyphs.Begin(),
+ tmpGlyphToCharacterMap.Begin());
// Update the new indices of the glyph to character map.
- if( 0u != totalNumberOfGlyphs )
+ if(0u != totalNumberOfGlyphs)
{
- for( Vector<CharacterIndex>::Iterator it = tmpGlyphToCharacterMap.Begin(),
- endIt = tmpGlyphToCharacterMap.End();
- it != endIt;
- ++it )
+ for(Vector<CharacterIndex>::Iterator it = tmpGlyphToCharacterMap.Begin(),
+ endIt = tmpGlyphToCharacterMap.End();
+ it != endIt;
+ ++it)
{
*it += previousIndex;
}
totalNumberOfGlyphs += numberOfGlyphs;
numberOfNewGlyphs += numberOfGlyphs;
- glyphs.Insert( glyphs.Begin() + glyphIndex, tmpGlyphs.Begin(), tmpGlyphs.End() );
- glyphToCharacterMap.Insert( glyphToCharacterMap.Begin() + glyphIndex, tmpGlyphToCharacterMap.Begin(), tmpGlyphToCharacterMap.End() );
+ glyphs.Insert(glyphs.Begin() + glyphIndex, tmpGlyphs.Begin(), tmpGlyphs.End());
+ glyphToCharacterMap.Insert(glyphToCharacterMap.Begin() + glyphIndex, tmpGlyphToCharacterMap.Begin(), tmpGlyphToCharacterMap.End());
glyphIndex += numberOfGlyphs;
// Set the buffer pointers again.
glyphToCharacterMapBuffer = glyphToCharacterMap.Begin();
- if( isNewParagraph )
+ if(isNewParagraph)
{
// Add the index of the new paragraph glyph to a vector.
// Their metrics will be updated in a following step.
- newParagraphGlyphs.PushBack( glyphIndex - 1u );
+ newParagraphGlyphs.PushBack(glyphIndex - 1u);
}
// Update the iterators to get the next font or script run.
- if( currentIndex == fontRun.characterRun.characterIndex + fontRun.characterRun.numberOfCharacters )
+ if(currentIndex == fontRun.characterRun.characterIndex + fontRun.characterRun.numberOfCharacters)
{
++fontRunIt;
}
- if( currentIndex == scriptRun.characterRun.characterIndex + scriptRun.characterRun.numberOfCharacters )
+ if(currentIndex == scriptRun.characterRun.characterIndex + scriptRun.characterRun.numberOfCharacters)
{
++scriptRunIt;
}
}
// Update indices.
- for( Length index = startGlyphIndex + numberOfNewGlyphs; index < totalNumberOfGlyphs; ++index )
+ for(Length index = startGlyphIndex + numberOfNewGlyphs; index < totalNumberOfGlyphs; ++index)
{
- CharacterIndex& characterIndex = *( glyphToCharacterMapBuffer + index );
+ CharacterIndex& characterIndex = *(glyphToCharacterMapBuffer + index);
characterIndex += numberOfCharacters;
}
// Add the number of characters per glyph.
- charactersPerGlyph.Reserve( totalNumberOfGlyphs );
+ charactersPerGlyph.Reserve(totalNumberOfGlyphs);
Length* charactersPerGlyphBuffer = charactersPerGlyph.Begin();
const GlyphIndex lastGlyph = startGlyphIndex + numberOfNewGlyphs;
- previousIndex = startCharacterIndex;
- for( Length index = startGlyphIndex + 1u; index < lastGlyph; ++index )
+ previousIndex = startCharacterIndex;
+ for(Length index = startGlyphIndex + 1u; index < lastGlyph; ++index)
{
- const CharacterIndex characterIndex = *( glyphToCharacterMapBuffer + index );
+ const CharacterIndex characterIndex = *(glyphToCharacterMapBuffer + index);
- charactersPerGlyph.Insert( charactersPerGlyphBuffer + index - 1u, characterIndex - previousIndex );
+ charactersPerGlyph.Insert(charactersPerGlyphBuffer + index - 1u, characterIndex - previousIndex);
previousIndex = characterIndex;
}
- charactersPerGlyph.Insert( charactersPerGlyphBuffer + lastGlyph - 1u, numberOfCharacters + startCharacterIndex - previousIndex );
+ charactersPerGlyph.Insert(charactersPerGlyphBuffer + lastGlyph - 1u, numberOfCharacters + startCharacterIndex - previousIndex);
// Resize the vectors to set the right number of items.
- glyphs.Resize( totalNumberOfGlyphs );
- glyphToCharacterMap.Resize( totalNumberOfGlyphs );
+ glyphs.Resize(totalNumberOfGlyphs);
+ glyphToCharacterMap.Resize(totalNumberOfGlyphs);
}
} // namespace Text
projects / platform / core / uifw / dali-toolkit.git / blobdiff