qgstextfragment.cpp

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/***************************************************************************
  qgstextfragment.cpp
  -----------------
   begin                : May 2020
   copyright            : (C) Nyall Dawson
   email                : nyall dot dawson at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "qgstextfragment.h"
 
#include "qgsstringutils.h"
 
#include <QFontMetricsF>
#include <QString>
#include <QTextFragment>
 
using namespace Qt::StringLiterals;
 
QgsTextFragment::QgsTextFragment( const QString &text, const QgsTextCharacterFormat &format )
  : mText( text != u"\ufffc"_s ? text : QString() )
  , mIsImage( text == u"\ufffc"_s )
  , mCharFormat( format )
{}
 
QgsTextFragment::QgsTextFragment( const QTextFragment &fragment )
  : mText( fragment.text() != u"\ufffc"_s ? fragment.text() : QString() )
  , mIsImage( fragment.text() == u"\ufffc"_s )
  , mCharFormat( fragment.charFormat() )
{
}
 
QString QgsTextFragment::text() const
{
  return mText;
}
 
void QgsTextFragment::setText( const QString &text )
{
  mText = text;
}
 
void QgsTextFragment::setCharacterFormat( const QgsTextCharacterFormat &charFormat )
{
  mCharFormat = charFormat;
}
 
bool QgsTextFragment::isImage() const
{
  return mIsImage;
}
 
double QgsTextFragment::horizontalAdvance( const QFont &font, const QgsRenderContext &context, bool fontHasBeenUpdatedForFragment, double scaleFactor ) const
{
  if ( fontHasBeenUpdatedForFragment )
  {
    const QFontMetricsF fm( font );
    return fm.horizontalAdvance( mText );
  }
  else
  {
    QFont updatedFont = font;
    mCharFormat.updateFontForFormat( updatedFont, context, scaleFactor );
    const QFontMetricsF fm( updatedFont );
    return fm.horizontalAdvance( mText );
  }
}
 
void QgsTextFragment::applyCapitalization( Qgis::Capitalization capitalization )
{
  mText = QgsStringUtils::capitalize( mText, capitalization );
}