138 lines
2.9 KiB
C++
138 lines
2.9 KiB
C++
/******************************************************************************
|
|
* QSkinny - Copyright (C) 2016 Uwe Rathmann
|
|
* This file may be used under the terms of the 3-clause BSD License
|
|
*****************************************************************************/
|
|
|
|
#include "ShapeItem.h"
|
|
|
|
#include <QskStrokeNode.h>
|
|
#include <QskShapeNode.h>
|
|
#include <QskSGNode.h>
|
|
|
|
ShapeItem::ShapeItem( QQuickItem* parent )
|
|
: QskControl( parent )
|
|
{
|
|
setMargins( 20 );
|
|
}
|
|
|
|
ShapeItem::~ShapeItem()
|
|
{
|
|
}
|
|
|
|
void ShapeItem::setPen( const QPen& pen )
|
|
{
|
|
if ( pen != m_pen )
|
|
{
|
|
m_pen = pen;
|
|
update();
|
|
}
|
|
}
|
|
|
|
QPen ShapeItem::pen() const
|
|
{
|
|
return m_pen;
|
|
}
|
|
|
|
void ShapeItem::setFillColor( const QColor& color )
|
|
{
|
|
if ( color != m_fillColor )
|
|
{
|
|
m_fillColor = color;
|
|
update();
|
|
}
|
|
}
|
|
|
|
QColor ShapeItem::fillColor() const
|
|
{
|
|
return m_fillColor;
|
|
}
|
|
|
|
void ShapeItem::setPath( const QPainterPath& path )
|
|
{
|
|
if ( path != m_path )
|
|
{
|
|
m_path = path;
|
|
update();
|
|
}
|
|
}
|
|
|
|
QPainterPath ShapeItem::path() const
|
|
{
|
|
return m_path;
|
|
}
|
|
|
|
void ShapeItem::updateNode( QSGNode* parentNode )
|
|
{
|
|
enum NodeRole
|
|
{
|
|
FillRole,
|
|
BorderRole
|
|
};
|
|
|
|
const auto rect = contentsRect();
|
|
|
|
/*
|
|
The triangulators in the nodes are able to do transformations
|
|
on the fly. TODO ...
|
|
*/
|
|
const auto path = scaledPath( rect );
|
|
|
|
auto fillNode = static_cast< QskShapeNode* >(
|
|
QskSGNode::findChildNode( parentNode, FillRole ) );
|
|
|
|
if ( path.isEmpty() || rect.isEmpty() )
|
|
{
|
|
delete fillNode;
|
|
}
|
|
else
|
|
{
|
|
if ( fillNode == nullptr )
|
|
{
|
|
fillNode = new QskShapeNode;
|
|
QskSGNode::setNodeRole( fillNode, FillRole );
|
|
}
|
|
|
|
fillNode->updateNode( path, m_fillColor );
|
|
|
|
if ( fillNode->parent() != parentNode )
|
|
parentNode->prependChildNode( fillNode );
|
|
}
|
|
|
|
auto borderNode = static_cast< QskStrokeNode* >(
|
|
QskSGNode::findChildNode( parentNode, BorderRole ) );
|
|
|
|
if ( path.isEmpty() || rect.isEmpty() )
|
|
{
|
|
delete borderNode;
|
|
}
|
|
else
|
|
{
|
|
if ( borderNode == nullptr )
|
|
{
|
|
borderNode = new QskStrokeNode;
|
|
QskSGNode::setNodeRole( borderNode, BorderRole );
|
|
}
|
|
|
|
borderNode->updateNode( path, m_pen );
|
|
|
|
if ( borderNode->parent() != parentNode )
|
|
parentNode->appendChildNode( borderNode );
|
|
}
|
|
}
|
|
|
|
QPainterPath ShapeItem::scaledPath( const QRectF& rect ) const
|
|
{
|
|
// does not center properly. TODO
|
|
const auto pw = 2 * m_pen.width();
|
|
|
|
const auto pathRect = m_path.controlPointRect();
|
|
const auto r = rect.adjusted( pw, pw, -pw, -pw );
|
|
|
|
auto transform = QTransform::fromTranslate( r.left(), r.top() );
|
|
transform.scale( r.width() / pathRect.width(), r.height() / pathRect.height() );
|
|
|
|
return transform.map( m_path );
|
|
}
|
|
|
|
#include "moc_ShapeItem.cpp"
|