Added ellipse object.

2016-05-22 16:17:59 -04:00
parent 7c945d6ba7
commit 26e3aa37e3
8 changed files with 343 additions and 7 deletions
@@ -0,0 +1,157 @@
+/*  LabelModelEllipseObject.cpp
+ *
+ *  Copyright (C) 2013-2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "LabelModelEllipseObject.h"
+
+#include <QBrush>
+#include <QPen>
+
+
+namespace
+{
+	const double slopPixels = 2;
+}
+
+
+///
+/// Constructor
+///
+LabelModelEllipseObject::LabelModelEllipseObject()
+{
+}
+
+
+///
+/// Copy constructor
+///
+LabelModelEllipseObject::LabelModelEllipseObject( const LabelModelEllipseObject* object ) : LabelModelShapeObject( object )
+{
+}
+
+
+///
+/// Destructor
+///
+LabelModelEllipseObject::~LabelModelEllipseObject()
+{
+}
+
+
+///
+/// Clone
+///
+LabelModelEllipseObject* LabelModelEllipseObject::clone() const
+{
+	return new LabelModelEllipseObject( this );
+}
+
+
+///
+/// Draw shadow of object
+///
+void LabelModelEllipseObject::drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const
+{
+	QColor lineColor = mLineColorNode.color( record );
+	QColor fillColor = mFillColorNode.color( record );
+	QColor shadowColor = mShadowColorNode.color( record );
+
+	shadowColor.setAlphaF( mShadowOpacity );
+
+	if ( fillColor.alpha() )
+	{
+		painter->setPen( Qt::NoPen );
+		painter->setBrush( shadowColor );
+
+		if ( lineColor.alpha() )
+		{
+			/* Has FILL and OUTLINE: adjust size to account for line width. */
+			painter->drawEllipse( QRectF( -mLineWidth.pt()/2,
+						      -mLineWidth.pt()/2,
+						      (mW + mLineWidth).pt(),
+						      (mH + mLineWidth).pt() ) );
+		}
+		else
+		{
+			/* Has FILL, but no OUTLINE. */
+			painter->drawEllipse( QRectF( 0, 0, mW.pt(), mH.pt() ) );
+		}
+	}
+	else
+	{
+		if ( lineColor.alpha() )
+		{
+			/* Has only OUTLINE. */
+			painter->setPen( QPen( shadowColor, mLineWidth.pt() ) );
+			painter->setBrush( Qt::NoBrush );
+
+			painter->drawEllipse( QRectF( 0, 0, mW.pt(), mH.pt() ) );
+		}
+	}
+		
+}
+
+	
+///
+/// Draw object itself
+///
+void LabelModelEllipseObject::drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const
+{
+	QColor lineColor = mLineColorNode.color( record );
+	QColor fillColor = mFillColorNode.color( record );
+
+	painter->setPen( QPen( lineColor, mLineWidth.pt() ) );
+	painter->setBrush( fillColor );
+
+	painter->drawEllipse( QRectF( 0, 0, mW.pt(), mH.pt() ) );
+}
+
+
+///
+/// Path to test for hover condition
+///
+QPainterPath LabelModelEllipseObject::hoverPath( double scale ) const
+{
+	double s = 1 / scale;
+
+	QPainterPath path;
+
+	if ( mFillColorNode.color().alpha() && mLineColorNode.color().alpha() )
+	{
+		path.addEllipse( -mLineWidth.pt()/2, -mLineWidth.pt()/2, (mW+mLineWidth).pt(), (mH+mLineWidth).pt() );
+	}
+	else if ( mFillColorNode.color().alpha() && !(mLineColorNode.color().alpha()) )
+	{
+		path.addEllipse( 0, 0, mW.pt(), mH.pt() );
+	}
+	else if ( mLineColorNode.color().alpha() )
+	{
+		path.addEllipse( (-mLineWidth.pt()/2) - s*slopPixels,
+				 (-mLineWidth.pt()/2) - s*slopPixels,
+				 (mW + mLineWidth).pt() + s*2*slopPixels,
+				 (mH + mLineWidth).pt() + s*2*slopPixels );
+		path.closeSubpath();
+		path.addEllipse( mLineWidth.pt()/2 + s*slopPixels,
+				 mLineWidth.pt()/2 + s*slopPixels,
+				 (mW - mLineWidth).pt() - s*2*slopPixels,
+				 (mH - mLineWidth).pt() - s*2*slopPixels );
+	}
+
+	return path;
+}