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/**
* Copyright 2010-2023 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.graph.ui.shapes;
import com.jogamp.graph.curve.OutlineShape;
import com.jogamp.graph.ui.GraphShape;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLProfile;
/**
* A GraphUI Crosshair {@link GraphShape}
* <p>
* GraphUI is GPU based and resolution independent.
* </p>
*/
public class CrossHair extends GraphShape {
private float width, height, lineWidth;
public CrossHair(final int renderModes, final float width, final float height, final float linewidth) {
super(renderModes);
this.width = width;
this.height = height;
this.lineWidth = linewidth;
}
public final float getWidth() { return width; }
public final float getHeight() { return height; }
public final float getLineWidth() { return lineWidth; }
public void setDimension(final float width, final float height, final float lineWidth) {
this.width = width;
this.height = height;
this.lineWidth = lineWidth;
markShapeDirty();
}
@Override
protected void addShapeToRegion(final GLProfile glp, final GL2ES2 gl) {
final OutlineShape shape = new OutlineShape();
final float lwh = lineWidth/2f;
final float tw = getWidth();
final float th = getHeight();
final float twh = tw/2f;
final float thh = th/2f;
final float ctrX = 0f, ctrY = 0f;
final float ctrZ = 0f;
// middle vertical (CCW!)
shape.moveTo(ctrX-lwh, ctrY-thh, ctrZ);
shape.lineTo(ctrX+lwh, ctrY-thh, ctrZ);
shape.lineTo(ctrX+lwh, ctrY+thh, ctrZ);
shape.lineTo(ctrX-lwh, ctrY+thh, ctrZ);
shape.closePath();
// middle horizontal (CCW!)
shape.moveTo(ctrX-twh, ctrY-lwh, ctrZ);
shape.lineTo(ctrX+twh, ctrY-lwh, ctrZ);
shape.lineTo(ctrX+twh, ctrY+lwh, ctrZ);
shape.lineTo(ctrX-twh, ctrY+lwh, ctrZ);
shape.closePath();
shape.setIsQuadraticNurbs();
shape.setSharpness(oshapeSharpness);
resetGLRegion(glp, gl, null, shape);
region.addOutlineShape(shape, null, rgbaColor);
box.resize(shape.getBounds());
setRotationPivot( box.getCenter() );
}
@Override
public String getSubString() {
return super.getSubString()+", dim "+getWidth() + " x " + getHeight();
}
}
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