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/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: AbstractFixpPoint.java
* Written by: Dmitry Nadezhin, Sun Microsystems.
*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
*
* Electric(tm) 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.
*
* Electric(tm) 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 Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.util.math;
import java.awt.geom.Rectangle2D;
/**
*
*/
public abstract class AbstractFixpRectangle extends Rectangle2D {
public abstract long getFixpMinX();
public abstract long getFixpMinY();
public abstract long getFixpMaxX();
public abstract long getFixpMaxY();
public abstract void setFixp(long fixpMinX, long fixpMinY, long fixpMaxX, long fixpMaxY);
public abstract AbstractFixpRectangle createFixp(long fixpMinX, long fixpMinY, long fixpMaxX, long fixpMaxY);
public long getFixpWidth() {
return getFixpMaxX() - getFixpMinX();
}
public long getFixpHeight() {
return getFixpMaxY() - getFixpMinY();
}
public long getFixpCenterX() {
return (getFixpMinX() + getFixpMaxX()) >> 1;
}
public long getFixpCenterY() {
return (getFixpMinY() + getFixpMaxY()) >> 1;
}
@Override
public void setRect(double x, double y, double w, double h) {
long fixpMinX = FixpCoord.lambdaToFixp(x);
long fixpMinY = FixpCoord.lambdaToFixp(y);
long fixpMaxX = fixpMinX + FixpCoord.lambdaToFixp(w);
long fixpMaxY = fixpMinY + FixpCoord.lambdaToFixp(h);
setFixp(fixpMinX, fixpMinY, fixpMaxX, fixpMaxY);
}
@Override
public int outcode(double x, double y) {
long fixpMinX = getFixpMinX();
long fixpMinY = getFixpMinY();
long fixpMaxX = getFixpMaxX();
long fixpMaxY = getFixpMaxY();
int out = 0;
if (fixpMinX >= fixpMaxX) {
out |= OUT_LEFT | OUT_RIGHT;
} else if (x * (FixpCoord.GRIDS_IN_LAMBDA * FixpCoord.FIXP_SCALE) < fixpMinX) {
out |= OUT_LEFT;
} else if (x * (FixpCoord.GRIDS_IN_LAMBDA * FixpCoord.FIXP_SCALE) > fixpMaxX) {
out |= OUT_RIGHT;
}
if (fixpMinY >= fixpMaxY) {
out |= OUT_TOP | OUT_BOTTOM;
} else if (y * (FixpCoord.GRIDS_IN_LAMBDA * FixpCoord.FIXP_SCALE) < fixpMinY) {
out |= OUT_TOP;
} else if (y * (FixpCoord.GRIDS_IN_LAMBDA * FixpCoord.FIXP_SCALE) > fixpMaxY) {
out |= OUT_BOTTOM;
}
return out;
}
@Override
public Rectangle2D createIntersection(Rectangle2D r) {
if (r instanceof AbstractFixpRectangle) {
AbstractFixpRectangle src = (AbstractFixpRectangle) r;
long x1 = Math.max(getFixpMinX(), src.getFixpMinX());
long y1 = Math.max(getFixpMinY(), src.getFixpMinY());
long x2 = Math.min(getFixpMaxX(), src.getFixpMaxX());
long y2 = Math.min(getFixpMaxY(), src.getFixpMaxY());
return createFixp(x1, y1, x2, y2);
}
Rectangle2D dest = createFixp(0, 0, 0, 0);
Rectangle2D.intersect(this, r, dest);
return dest;
}
@Override
public Rectangle2D createUnion(Rectangle2D r) {
if (r instanceof AbstractFixpRectangle) {
AbstractFixpRectangle src = (AbstractFixpRectangle) r;
long x1 = Math.min(getFixpMinX(), src.getFixpMinX());
long y1 = Math.min(getFixpMinY(), src.getFixpMinY());
long x2 = Math.max(getFixpMaxX(), src.getFixpMaxX());
long y2 = Math.max(getFixpMaxY(), src.getFixpMaxY());
return createFixp(x1, y1, x2, y2);
}
Rectangle2D dest = createFixp(0, 0, 0, 0);
Rectangle2D.union(this, r, dest);
return dest;
}
@Override
public void add(Rectangle2D r) {
if (r instanceof AbstractFixpRectangle) {
AbstractFixpRectangle af = (AbstractFixpRectangle) r;
setFixp(Math.min(getFixpMinX(), af.getFixpMinX()), Math.min(getFixpMinY(), af.getFixpMinY()),
Math.max(getFixpMaxX(), af.getFixpMaxX()), Math.max(getFixpMaxY(), af.getFixpMaxY()));
} else {
super.add(r);
}
}
@Override
public void setRect(Rectangle2D r) {
if (r instanceof AbstractFixpRectangle) {
AbstractFixpRectangle af = (AbstractFixpRectangle) r;
setFixp(af.getFixpMinX(), af.getFixpMinY(), af.getFixpMaxX(), af.getFixpMaxY());
} else {
super.setRect(r);
}
}
/**
* Returns the X coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the X coordinate of this AbstractFixpRectangle.
*/
@Override
public double getX() {
return FixpCoord.fixpToLambda(getFixpMinX());
}
/**
* Returns the Y coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the X coordinate of this AbstractFixpRectangle.
*/
@Override
public double getY() {
return FixpCoord.fixpToLambda(getFixpMinY());
}
/**
* Returns the width of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the width of this AbstractFixpRectangle.
*/
@Override
public double getWidth() {
return FixpCoord.fixpToLambda(getFixpWidth());
}
/**
* Returns the heigth of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the heigth of this AbstractFixpRectangle.
*/
@Override
public double getHeight() {
return FixpCoord.fixpToLambda(getFixpHeight());
}
/**
* Returns the smallest X coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the smallest x coordinate of this AbstractFixpRectangle.
*/
@Override
public double getMinX() {
return FixpCoord.fixpToLambda(getFixpMinX());
}
/**
* Returns the smallest Y coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the smallest y coordinate of this AbstractFixpRectangle.
*/
@Override
public double getMinY() {
return FixpCoord.fixpToLambda(getFixpMinY());
}
/**
* Returns the largest X coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the largest x coordinate of this AbstractFixpRectangle.
*/
@Override
public double getMaxX() {
return FixpCoord.fixpToLambda(getFixpMaxX());
}
/**
* Returns the largest Y coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the largest y coordinate of this AbstractFixpRectangle.
*/
@Override
public double getMaxY() {
return FixpCoord.fixpToLambda(getFixpMaxY());
}
/**
* Returns the X coordinate of the center of the framing
* rectangle of the AbstractFixpRectangle in double
* precision.
* @return the X coordinate of the center of the framing rectangle
* of the AbstractFixpRectangle.
*/
@Override
public double getCenterX() {
return FixpCoord.fixpToLambda(getFixpCenterX());
}
/**
* Returns the Y coordinate of the center of the framing
* rectangle of the AbstractFixpRectangle in double
* precision.
* @return the Y coordinate of the center of the framing rectangle
* of the AbstractFixpRectangle.
*/
@Override
public double getCenterY() {
return FixpCoord.fixpToLambda(getFixpCenterY());
}
/**
* Returns the width of this AbstractFixpRectangle as ECoord object.
* @return the width of this AbstractFixpRectangle as ECoord object.
*/
public FixpCoord getCoordWidth() {
return FixpCoord.fromFixp(getFixpWidth());
}
/**
* Returns the heigth of this AbstractFixpRectangle as ECoord object.
* @return the heigth of this AbstractFixpRectangle as ECoord object.
*/
public FixpCoord getCoordHeight() {
return FixpCoord.fromFixp(getFixpHeight());
}
/**
* Returns the smallest X coordinate of this AbstractFixpRectangle as ECoord object.
* @return the smallest x coordinate of this AbstractFixpRectangle as ECoord object.
*/
public FixpCoord getCoordMinX() {
return FixpCoord.fromFixp(getFixpMinX());
}
/**
* Returns the smallest Y coordinate of this AbstractFixpRectangle as ECoord object.
* @return the smallest y coordinate of this AbstractFixpRectangle as ECoord object.
*/
public FixpCoord getCoordMinY() {
return FixpCoord.fromFixp(getFixpMinY());
}
/**
* Returns the largest X coordinate of this AbstractFixpRectangle as ECoord object.
* @return the largest x coordinate of this AbstractFixpRectangle as ECoord object.
*/
public FixpCoord getCoordMaxX() {
return FixpCoord.fromFixp(getFixpMaxX());
}
/**
* Returns the largest Y coordinate of this AbstractFixpRectangle as ECoord object.
* @return the largest y coordinate of this AbstractFixpRectangle as ECoord object.
*/
public FixpCoord getCoordMaxY() {
return FixpCoord.fromFixp(getFixpMaxY());
}
/**
* Returns the X coordinate of the center of this AbstractFixpRectangle as FixpCoord object.
* @return the x coordinate of this AbstractFixpRectangle object's center.
*/
public FixpCoord getCoordCenterX() {
return FixpCoord.fromFixp(getFixpCenterX());
}
/**
* Returns the Y coordinate of the center of this AbstractFixpRectangle as FixpCoord object.
* @return the y coordinate of this AbstractFixpRectangle object's center.
*/
public FixpCoord getCoordCenterY() {
return FixpCoord.fromFixp(getFixpCenterX());
}
/**
* Returns the X coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the X coordinate of this AbstractFixpRectangle.
*/
public double getLambdaX() {
return FixpCoord.fixpToLambda(getFixpMinX());
}
/**
* Returns the Y coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the X coordinate of this AbstractFixpRectangle.
*/
public double getLambdaY() {
return FixpCoord.fixpToLambda(getFixpMinY());
}
/**
* Returns the width of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the width of this AbstractFixpRectangle.
*/
public double getLambdaWidth() {
return FixpCoord.fixpToLambda(getFixpWidth());
}
/**
* Returns the heigth of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the heigth of this AbstractFixpRectangle.
*/
public double getLambdaHeight() {
return FixpCoord.fixpToLambda(getFixpHeight());
}
/**
* Returns the smallest X coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the smallest x coordinate of this AbstractFixpRectangle.
*/
public double getLambdaMinX() {
return FixpCoord.fixpToLambda(getFixpMinX());
}
/**
* Returns the smallest Y coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the smallest y coordinate of this AbstractFixpRectangle.
*/
public double getLambdaMinY() {
return FixpCoord.fixpToLambda(getFixpMinY());
}
/**
* Returns the largest X coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the largest x coordinate of this AbstractFixpRectangle.
*/
public double getLambdaMaxX() {
return FixpCoord.fixpToLambda(getFixpMaxX());
}
/**
* Returns the largest Y coordinate of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the largest y coordinate of this AbstractFixpRectangle.
*/
public double getLambdaMaxY() {
return FixpCoord.fixpToLambda(getFixpMaxY());
}
/**
* Returns the X coordinate of the center of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the x coordinate of this AbstractFixpRectangle object's center.
*/
public double getLambdaCenterX() {
return FixpCoord.fixpToLambda(getFixpCenterX());
}
/**
* Returns the Y coordinate of the center of this AbstractFixpRectangle
* in lambda units in double precision.
* @return the y coordinate of this AbstractFixpRectangle object's center.
*/
public double getLambdaCenterY() {
return FixpCoord.fixpToLambda(getFixpCenterY());
}
/**
* Returns the X coordinate of this AbstractFixpRectangle
* in fixed-point units in long precision.
* @return the X coordinate of this AbstractFixpRectangle.
*/
public long getFixpX() {
return getFixpMinX();
}
/**
* Returns the Y coordinate of this AbstractFixpRectangle
* in fixed-point units in long precision.
* @return the Y coordinate of this AbstractFixpRectangle.
*/
public long getFixpY() {
return getFixpMinY();
}
@Override
public boolean isEmpty() {
return getFixpWidth() <= 0 || getFixpHeight() <= 0;
}
@Override
public String toString() {
return getClass().getSimpleName()
+ "[x=" + getX()
+ ",y=" + getY()
+ ",w=" + getWidth()
+ ",h=" + getHeight() + "]";
}
}
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