Go back to "Object" nomenclature instead of "Item" for label objects.

2013-12-04 22:45:22 -05:00
parent a64813cf13
commit 385df72c9b
7 changed files with 231 additions and 231 deletions
@@ -0,0 +1,182 @@
+/*  LabelModelObject.cpp
+ *
+ *  Copyright (C) 2013  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 "LabelModelObject.h"
+
+
+namespace glabels
+{
+
+	int LabelModelObject::lastId = 0;
+
+	/*
+	 * Default constructor.
+	 */
+	LabelModelObject::LabelModelObject( QObject *parent = 0 ) : QObject(parent)
+	{
+		mId = lastId++;
+
+		mX0 = 0;
+		mY0 = 0;
+		mW  = 0;
+		mH  = 0;
+		mMatrix = QTransform();
+
+		mShadowState     = false;
+		mShadowX         = 1.3;
+		mShadowY         = 1.3;
+		mShadowColorNode = ColorNode( QColor::fromRgb(0x000000) );
+		mShadowOpacity   = 0.5;
+
+		mSelectedFlag = false;
+	}
+
+
+	void LabelModelObject::setPosition( double x0, double y0 )
+	{
+		if ( ( mX0 != x0 ) || ( mY0 != y0 ) )
+		{
+			mX0 = x0;
+			mY0 = y0;
+
+			emit moved();
+		}
+	}
+
+
+	void LabelModelObject::setPositionRelative( double dx, double dy )
+	{
+		if ( ( dx != 0 ) || ( dy != 0 ) )
+		{
+			mX0 += dx;
+			mY0 += dy;
+
+			emit moved();
+		}
+	}
+
+
+	void LabelModelObject::setSize( double w, double h )
+	{
+		mW = w;
+		mH = h;
+	}
+
+
+	void LabelModelObject::setSizeHonorAspect( double w, double h )
+	{
+		double aspectRatio = mH / mW;
+
+		if ( h > (w * aspectRatio) )
+		{
+			h = w * aspectRatio;
+		}
+		else
+		{
+			w = h / aspectRatio;
+		}
+
+		if ( ( mW != w ) || ( mH != h ) )
+		{
+			mW = w;
+			mH = h;
+
+			emit changed();
+		}
+	}
+
+
+	void LabelModelObject::setWHonorAspect( double w )
+	{
+		double aspectRatio = mH / mW;
+		double h = w * aspectRatio;
+
+		if ( ( mW != w ) || ( mH != h ) )
+		{
+			mW = w;
+			mH = h;
+
+			emit changed();
+		}
+	}
+
+
+	void LabelModelObject::setHHonorAspect( double h )
+	{
+		double aspectRatio = mH / mW;
+		double w = h / aspectRatio;
+
+		if ( ( mW != w ) || ( mH != h ) )
+		{
+			mW = w;
+			mH = h;
+
+			emit changed();
+		}
+	}
+
+
+	LabelRegion LabelModelObject::getExtent()
+	{
+		QPointF a1(    - lineWidth()/2,    - lineWidth()/2 );
+		QPointF a2( mW + lineWidth()/2,    - lineWidth()/2 );
+		QPointF a3( mW + lineWidth()/2, mH + lineWidth()/2 );
+		QPointF a4(    - lineWidth()/2, mH + lineWidth()/2 );
+
+		a1 = mMatrix.map( a1 );
+		a2 = mMatrix.map( a2 );
+		a3 = mMatrix.map( a3 );
+		a4 = mMatrix.map( a4 );
+
+		LabelRegion region;
+		region.x1( std::min( a1.x(), std::min( a2.x(), std::min( a3.x(), a4.x() ) ) ) + mX0 );
+		region.y1( std::min( a1.y(), std::min( a2.y(), std::min( a3.y(), a4.y() ) ) ) + mY0 );
+		region.x2( std::max( a1.x(), std::max( a2.x(), std::max( a3.x(), a4.x() ) ) ) + mX0 );
+		region.y2( std::max( a1.y(), std::max( a2.y(), std::max( a3.y(), a4.y() ) ) ) + mY0 );
+
+		return region;
+	}
+
+
+	void LabelModelObject::rotate( double thetaDegs )
+	{
+		if ( thetaDegs != 0 )
+		{
+			mMatrix = mMatrix.rotate( thetaDegs );
+			emit changed();
+		}
+	}
+
+
+	void LabelModelObject::flipHoriz()
+	{
+		mMatrix = mMatrix.scale( -1, 1 );
+		emit changed();
+	}
+
+
+	void LabelModelObject::flipVert()
+	{
+		mMatrix = mMatrix.scale( 1, -1 );
+		emit changed();
+	}
+
+}
+