98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
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/******************************************************************************
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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 "QskGraphicLabelSkinlet.h"
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#include "QskGraphicLabel.h"
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#include "QskGraphic.h"
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#include "QskGraphicTextureFactory.h"
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#include "QskAspect.h"
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#include "QskSkin.h"
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#include "QskTextureNode.h"
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#include "QskFunctions.h"
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QskGraphicLabelSkinlet::QskGraphicLabelSkinlet( QskSkin* skin ):
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Inherited( skin )
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{
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setNodeRoles( { GraphicRole } );
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}
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QskGraphicLabelSkinlet::~QskGraphicLabelSkinlet() = default;
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QRectF QskGraphicLabelSkinlet::subControlRect(
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const QskSkinnable* skinnable, QskAspect::Subcontrol subControl ) const
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{
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const auto label = static_cast< const QskGraphicLabel* >( skinnable );
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if ( subControl == QskGraphicLabel::Graphic )
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{
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return graphicRect( label );
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}
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return Inherited::subControlRect( skinnable, subControl );
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}
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QRect QskGraphicLabelSkinlet::graphicRect( const QskGraphicLabel* label ) const
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{
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// textures are in integers, to avoid useless recalculations
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// that finally will be rounded anyway, we calculate in integers
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const auto fillMode = label->fillMode();
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const QRect graphicRect = label->contentsRect().toAlignedRect();
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if ( fillMode == QskGraphicLabel::Stretch )
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{
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return graphicRect;
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}
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QSizeF sz = label->effectiveSourceSize();
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if ( fillMode == QskGraphicLabel::PreserveAspectFit )
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{
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sz.scale( graphicRect.size(), Qt::KeepAspectRatio );
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}
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else if ( fillMode == QskGraphicLabel::PreserveAspectCrop )
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{
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sz.scale( graphicRect.size(), Qt::KeepAspectRatioByExpanding );
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}
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return qskAlignedRect( graphicRect,
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( int )sz.width(), ( int )sz.height(), label->alignment() );
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}
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QSGNode* QskGraphicLabelSkinlet::updateSubNode(
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const QskSkinnable* skinnable, quint8 nodeRole, QSGNode* node ) const
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{
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const auto label = static_cast< const QskGraphicLabel* >( skinnable );
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switch( nodeRole )
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{
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case GraphicRole:
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return updateGraphicNode( label, node );
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default:
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return nullptr;
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}
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}
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QSGNode* QskGraphicLabelSkinlet::updateGraphicNode(
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const QskGraphicLabel* label, QSGNode* node ) const
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{
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const QRectF rect = subControlRect( label, QskGraphicLabel::Graphic );
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node = QskSkinlet::updateGraphicNode( label, node,
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label->graphic(), label->graphicFilter(), rect, Qt::AlignCenter );
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if ( node && label->mirror() )
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{
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auto textureNode = static_cast< QskTextureNode* >( node );
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textureNode->setMirrored( Qt::Horizontal );
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}
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return node;
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}
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#include "moc_QskGraphicLabelSkinlet.cpp"
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