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Open Source Chemistry Library
/*
* Copyright (c) 1997 - 2016
* Actelion Pharmaceuticals Ltd.
* Gewerbestrasse 16
* CH-4123 Allschwil, Switzerland
*
* 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.
* 3. Neither the name of the the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER 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.
*
*/
package com.actelion.research.share.gui;
import com.actelion.research.chem.DepictorTransformation;
import com.actelion.research.gui.generic.GenericRectangle;
import com.actelion.research.share.gui.editor.chem.IDrawingObject;
import com.actelion.research.share.gui.editor.geom.IDrawContext;
public class Arrow implements IDrawingObject
{
protected final DrawConfig gfxConfig;/* = GeomFactory.getGeomFactory();*/
/*
*
**
***
****
*****
******
***************************************************
******
*****
****
***
**
*
*/
protected GenericRectangle rect = null;
private boolean selected = false;
public Arrow(DrawConfig cfg, double x, double y, double w, double h)
{
gfxConfig = cfg;
rect = new GenericRectangle(x, y, w, h);
}
@Override
public void setSelected(boolean b) {
selected = b;
}
@Override
public boolean isSelected()
{
return selected;
}
@Override
public void move(float dx, float dy) {
rect.set(rect.getX()+dx,rect.getY()+dy,rect.getWidth(),rect.getHeight());
}
@Override
public GenericRectangle getBoundingRect() {
return rect;
}
@Override
public void setRect(float x, float y, float w, float h) {
rect = new GenericRectangle(x, y, w, h);
}
@Override
public void scale(float scaling) {
rect.set(rect.getX()*scaling,rect.getY()*scaling,rect.getWidth()*scaling,rect.getHeight()*scaling);
}
@Override
public void draw(IDrawContext ctx,DepictorTransformation t)
{
double dx = t == null ? (rect.getX()) : t.transformX((float)rect.getX()) ;
double dy = t == null ? (rect.getY()) : t.transformY((float)rect.getY()) ;
double dwidth = t == null ? rect.getWidth() : t.transformX((float)rect.getWidth());
double dheight = t == null ? rect.getHeight() : t.transformY((float)rect.getHeight()) ;
double arrowEndX = dx + dwidth;
double arrowEndY = dy + (dheight / 2);
double xOffset = dwidth/15;
double[] px = {
(arrowEndX - (xOffset)),
arrowEndX,
(arrowEndX - (dwidth / 5))
};
double[] py = {
arrowEndY,
arrowEndY,
(arrowEndY - (dwidth / 10))
};
if (selected) {
ctx.setStroke(gfxConfig.getSelectionColor());
ctx.setFill(gfxConfig.getSelectionColor());
}
if ((arrowEndX - dx) >= 5) {
ctx.drawLine((int) dx, (int) arrowEndY, (int) arrowEndX-xOffset, (int) arrowEndY);
}
ctx.fillPolygon(px, py, 3);
//ctx.drawLine(arrowEndX,arrowEndY,arrowEndX,arrowEndX-10);
py[2] = (int) (arrowEndY + (dwidth / 10));
ctx.fillPolygon(px, py, 3);
// System.out.printf("Drawing Arrow %s\n",selected);
/*
if (selected) {
int width = 5;
ctx.save();
ctx.setLineWidth(width);
ctx.setStroke(builder.getHighLightColor());
ctx.drawLine((int) dx, (int) arrowEndY, (int) (arrowEndX - (dwidth / 5)), (int) arrowEndY);
ctx.restore();
}
*/
}
@Override
public boolean isMovable()
{
return false;
}
public boolean isOnProductSide(float x, float y) {
// System.out.printf("ISOnProductSide %f %f %s\n",x,y,rect);
return x > rect.getX() + rect.getWidth()/2;
/*
double dx = rect.getWidth();
double dy = rect.getHeight();
double mx = (rect.getX() + rect.getWidth()) / 2.0f;
double my = (rect.getY() + rect.getHeight()) / 2.0f;
if (dx == 0.0)
return (dy < 0.0) ^ (y > my);
if (dy == 0.0)
return (dx < 0.0) ^ (x > mx);
double m = -dx/dy; // m of orthogonal line through S
double sx = (rect.getX() + m*m*x - m*y + m*rect.getY()) / (1 + m*m);
return (dx < 0.0) ^ (sx > mx);
*/
}
}