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