qskinny/src/nodes/QskTextNode.cpp
2022-03-25 11:21:32 +01:00

70 lines
2.0 KiB
C++

/******************************************************************************
* QSkinny - Copyright (C) 2016 Uwe Rathmann
* This file may be used under the terms of the QSkinny License, Version 1.0
*****************************************************************************/
#include "QskTextNode.h"
#include "QskTextColors.h"
#include "QskTextOptions.h"
#include "QskTextRenderer.h"
#include <qfont.h>
#include <qstring.h>
static inline QskHashValue qskHash(
const QString& text, const QSizeF& size, const QFont& font,
const QskTextOptions& options, const QskTextColors& colors,
Qt::Alignment alignment, Qsk::TextStyle textStyle )
{
QskHashValue hash = 11000;
hash = qHash( text, hash );
hash = qHash( font, hash );
hash = options.hash( hash );
hash = qHash( alignment, hash );
hash = qHash( textStyle, hash );
hash = colors.hash( hash );
hash = qHashBits( &size, sizeof( QSizeF ), hash );
return hash;
}
QskTextNode::QskTextNode()
: m_hash( 0 )
{
}
QskTextNode::~QskTextNode()
{
}
void QskTextNode::setTextData(
const QQuickItem* item, const QString& text, const QRectF& rect,
const QFont& font, const QskTextOptions& options, const QskTextColors& colors,
Qt::Alignment alignment, Qsk::TextStyle textStyle )
{
QMatrix4x4 matrix;
matrix.translate( rect.left(), rect.top() );
if ( matrix != this->matrix() ) // avoid setting DirtyMatrix accidently
setMatrix( matrix );
const auto hash = qskHash( text, rect.size(), font,
options, colors, alignment, textStyle );
if ( hash != m_hash )
{
m_hash = hash;
const QRectF textRect( 0, 0, rect.width(), rect.height() );
/*
In case of having color changes only we would could
go a faster update path: see QskPlainTextRenderer::updateNodeColor.
TODO ...
*/
QskTextRenderer::updateNode( text, font, options, textStyle,
colors, alignment, textRect, item, this );
}
}