Revision 2669 branches/CqCMSDvp/libraries/libCq CMS for java.old/src/org/cresques/px/Extent.java
| Extent.java | ||
|---|---|---|
| 1 | 1 |
/* |
| 2 | 2 |
* Cresques Mapping Suite. Graphic Library for constructing mapping applications. |
| 3 |
* |
|
| 4 |
* Copyright (C) 2004-5. |
|
| 5 | 3 |
* |
| 4 |
* Copyright (C) 2004-5. |
|
| 5 |
* |
|
| 6 | 6 |
* This program is free software; you can redistribute it and/or |
| 7 | 7 |
* modify it under the terms of the GNU General Public License |
| 8 | 8 |
* as published by the Free Software Foundation; either version 2 |
| ... | ... | |
| 18 | 18 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
| 19 | 19 |
* |
| 20 | 20 |
* For more information, contact: |
| 21 |
*
|
|
| 21 |
* |
|
| 22 | 22 |
* cresques@gmail.com |
| 23 | 23 |
*/ |
| 24 | 24 |
package org.cresques.px; |
| ... | ... | |
| 28 | 28 |
|
| 29 | 29 |
import java.text.DecimalFormat; |
| 30 | 30 |
|
| 31 |
|
|
| 31 | 32 |
public class Extent {
|
| 32 |
Point2D min = null, max = null; |
|
| 33 |
|
|
| 34 |
public interface Has {
|
|
| 35 |
public Extent getExtent(); |
|
| 36 |
} |
|
| 37 |
|
|
| 38 |
public Extent() {
|
|
| 39 |
min = new Point2D.Double(999999999.0,999999999.0); |
|
| 40 |
max = new Point2D.Double(-999999999.0,-999999999.0); |
|
| 41 |
} |
|
| 42 |
|
|
| 43 |
public Extent(Point2D pt1, Point2D pt2) {
|
|
| 44 |
newExtent(pt1.getX(), pt1.getY(), pt2.getX(), pt2.getY()); |
|
| 45 |
} |
|
| 46 |
public Extent(double x1, double y1, double x2, double y2) {
|
|
| 47 |
newExtent(x1, y1, x2, y2); |
|
| 48 |
} |
|
| 49 |
public Extent(Rectangle2D r) {
|
|
| 50 |
newExtent(r.getX(), r.getY(), r.getX()+r.getWidth(), r.getY()+r.getHeight()); |
|
| 51 |
} |
|
| 52 |
public Extent(Extent ext) {
|
|
| 53 |
newExtent(ext.minX(), ext.minY(), ext.maxX(), ext.maxY()); |
|
| 54 |
} |
|
| 55 |
public Object clone() {
|
|
| 56 |
Extent e = (Extent) clone(); |
|
| 57 |
e.min = (Point2D) min.clone(); |
|
| 58 |
e.max = (Point2D) max.clone(); |
|
| 59 |
return e; |
|
| 60 |
} |
|
| 61 |
|
|
| 62 |
private void newExtent(double x1, double y1, double x2, double y2) {
|
|
| 63 |
double [] e = {x1, y1, x2, y2};
|
|
| 64 |
min = new Point2D.Double(Math.min(x1, x2), Math.min(y1, y2)); |
|
| 65 |
max = new Point2D.Double(Math.max(x1, x2), Math.max(y1, y2)); |
|
| 66 |
} |
|
| 67 |
|
|
| 68 |
public double minX(){ return min.getX(); }
|
|
| 69 |
public double minY(){ return min.getY(); }
|
|
| 70 |
public double maxX(){ return max.getX(); }
|
|
| 71 |
public double maxY(){ return max.getY(); }
|
|
| 72 |
public Point2D getMin() { return min; }
|
|
| 73 |
public Point2D getMax() { return max; }
|
|
| 74 |
|
|
| 75 |
public boolean isAt(Point2D pt) {
|
|
| 76 |
if (pt.getX()<minX()) return false; |
|
| 77 |
if (pt.getX()>maxX()) return false; |
|
| 78 |
if (pt.getY()<minY()) return false; |
|
| 79 |
if (pt.getY()>maxY()) return false; |
|
| 80 |
return true; |
|
| 81 |
} |
|
| 33 |
Point2D min = null; |
|
| 34 |
Point2D max = null; |
|
| 82 | 35 |
|
| 83 |
public double width() { return Math.abs(maxX()-minX()); }
|
|
| 84 |
public double height() { return Math.abs(maxY()-minY()); }
|
|
| 85 |
|
|
| 86 |
/** |
|
| 87 |
* Verifica un punto, y modifica el extent si no est? incluido |
|
| 88 |
*/ |
|
| 89 |
public void add(Point2D pt) {
|
|
| 90 |
if (pt == null) return; |
|
| 91 |
min.setLocation( Math.min(pt.getX(),minX()), Math.min(pt.getY(), minY())); |
|
| 92 |
max.setLocation( Math.max(pt.getX(),maxX()), Math.max(pt.getY(), maxY())); |
|
| 93 |
} |
|
| 94 |
|
|
| 95 |
public void add(Extent ext) {
|
|
| 96 |
if (ext == null) return; |
|
| 97 |
min.setLocation( Math.min(ext.minX(),minX()), Math.min(ext.minY(), minY())); |
|
| 98 |
max.setLocation( Math.max(ext.maxX(),maxX()), Math.max(ext.maxY(), maxY())); |
|
| 99 |
} |
|
| 100 |
|
|
| 101 |
public double []getScale(int width, int height) {
|
|
| 102 |
return getScale((double) width, (double) height); |
|
| 103 |
} |
|
| 104 |
public double []getScale(double width, double height) {
|
|
| 105 |
double scale[] = new double[2]; |
|
| 106 |
scale[0] = ((float) width) /width(); |
|
| 107 |
scale[1] = ((float) height)/height(); |
|
| 108 |
return scale; |
|
| 109 |
} |
|
| 110 |
|
|
| 111 |
public Rectangle2D toRectangle2D() {
|
|
| 112 |
return new Rectangle2D.Double(minX(), minY(), width(), height()); |
|
| 113 |
} |
|
| 114 |
public String toString() {
|
|
| 115 |
DecimalFormat format = new DecimalFormat("####.000");
|
|
| 36 |
public Extent() {
|
|
| 37 |
min = new Point2D.Double(999999999.0, 999999999.0); |
|
| 38 |
max = new Point2D.Double(-999999999.0, -999999999.0); |
|
| 39 |
} |
|
| 116 | 40 |
|
| 117 |
return "Extent: ("+format.format(minX())+","+format.format(minY())+
|
|
| 118 |
"), ("+format.format(maxX())+","+format.format(maxY())+")";
|
|
| 119 |
} |
|
| 120 |
} |
|
| 41 |
public Extent(Point2D pt1, Point2D pt2) {
|
|
| 42 |
newExtent(pt1.getX(), pt1.getY(), pt2.getX(), pt2.getY()); |
|
| 43 |
} |
|
| 44 |
|
|
| 45 |
public Extent(double x1, double y1, double x2, double y2) {
|
|
| 46 |
newExtent(x1, y1, x2, y2); |
|
| 47 |
} |
|
| 48 |
|
|
| 49 |
public Extent(Rectangle2D r) {
|
|
| 50 |
newExtent(r.getX(), r.getY(), r.getX() + r.getWidth(), |
|
| 51 |
r.getY() + r.getHeight()); |
|
| 52 |
} |
|
| 53 |
|
|
| 54 |
public Extent(Extent ext) {
|
|
| 55 |
newExtent(ext.minX(), ext.minY(), ext.maxX(), ext.maxY()); |
|
| 56 |
} |
|
| 57 |
|
|
| 58 |
public Object clone() {
|
|
| 59 |
Extent e = (Extent) clone(); |
|
| 60 |
e.min = (Point2D) min.clone(); |
|
| 61 |
e.max = (Point2D) max.clone(); |
|
| 62 |
|
|
| 63 |
return e; |
|
| 64 |
} |
|
| 65 |
|
|
| 66 |
private void newExtent(double x1, double y1, double x2, double y2) {
|
|
| 67 |
double[] e = { x1, y1, x2, y2 };
|
|
| 68 |
min = new Point2D.Double(Math.min(x1, x2), Math.min(y1, y2)); |
|
| 69 |
max = new Point2D.Double(Math.max(x1, x2), Math.max(y1, y2)); |
|
| 70 |
} |
|
| 71 |
|
|
| 72 |
public double minX() {
|
|
| 73 |
return min.getX(); |
|
| 74 |
} |
|
| 75 |
|
|
| 76 |
public double minY() {
|
|
| 77 |
return min.getY(); |
|
| 78 |
} |
|
| 79 |
|
|
| 80 |
public double maxX() {
|
|
| 81 |
return max.getX(); |
|
| 82 |
} |
|
| 83 |
|
|
| 84 |
public double maxY() {
|
|
| 85 |
return max.getY(); |
|
| 86 |
} |
|
| 87 |
|
|
| 88 |
public Point2D getMin() {
|
|
| 89 |
return min; |
|
| 90 |
} |
|
| 91 |
|
|
| 92 |
public Point2D getMax() {
|
|
| 93 |
return max; |
|
| 94 |
} |
|
| 95 |
|
|
| 96 |
public boolean isAt(Point2D pt) {
|
|
| 97 |
if (pt.getX() < minX()) {
|
|
| 98 |
return false; |
|
| 99 |
} |
|
| 100 |
|
|
| 101 |
if (pt.getX() > maxX()) {
|
|
| 102 |
return false; |
|
| 103 |
} |
|
| 104 |
|
|
| 105 |
if (pt.getY() < minY()) {
|
|
| 106 |
return false; |
|
| 107 |
} |
|
| 108 |
|
|
| 109 |
if (pt.getY() > maxY()) {
|
|
| 110 |
return false; |
|
| 111 |
} |
|
| 112 |
|
|
| 113 |
return true; |
|
| 114 |
} |
|
| 115 |
|
|
| 116 |
public double width() {
|
|
| 117 |
return Math.abs(maxX() - minX()); |
|
| 118 |
} |
|
| 119 |
|
|
| 120 |
public double height() {
|
|
| 121 |
return Math.abs(maxY() - minY()); |
|
| 122 |
} |
|
| 123 |
|
|
| 124 |
/** |
|
| 125 |
* Verifica un punto, y modifica el extent si no est? incluido |
|
| 126 |
*/ |
|
| 127 |
public void add(Point2D pt) {
|
|
| 128 |
if (pt == null) {
|
|
| 129 |
return; |
|
| 130 |
} |
|
| 131 |
|
|
| 132 |
min.setLocation(Math.min(pt.getX(), minX()), Math.min(pt.getY(), minY())); |
|
| 133 |
max.setLocation(Math.max(pt.getX(), maxX()), Math.max(pt.getY(), maxY())); |
|
| 134 |
} |
|
| 135 |
|
|
| 136 |
public void add(Extent ext) {
|
|
| 137 |
if (ext == null) {
|
|
| 138 |
return; |
|
| 139 |
} |
|
| 140 |
|
|
| 141 |
min.setLocation(Math.min(ext.minX(), minX()), |
|
| 142 |
Math.min(ext.minY(), minY())); |
|
| 143 |
max.setLocation(Math.max(ext.maxX(), maxX()), |
|
| 144 |
Math.max(ext.maxY(), maxY())); |
|
| 145 |
} |
|
| 146 |
|
|
| 147 |
public double[] getScale(int width, int height) {
|
|
| 148 |
return getScale((double) width, (double) height); |
|
| 149 |
} |
|
| 150 |
|
|
| 151 |
public double[] getScale(double width, double height) {
|
|
| 152 |
double[] scale = new double[2]; |
|
| 153 |
scale[0] = ((float) width) / width(); |
|
| 154 |
scale[1] = ((float) height) / height(); |
|
| 155 |
|
|
| 156 |
return scale; |
|
| 157 |
} |
|
| 158 |
|
|
| 159 |
public Rectangle2D toRectangle2D() {
|
|
| 160 |
return new Rectangle2D.Double(minX(), minY(), width(), height()); |
|
| 161 |
} |
|
| 162 |
|
|
| 163 |
public String toString() {
|
|
| 164 |
DecimalFormat format = new DecimalFormat("####.000");
|
|
| 165 |
|
|
| 166 |
return "Extent: (" + format.format(minX()) + "," +
|
|
| 167 |
format.format(minY()) + "), (" + format.format(maxX()) + "," +
|
|
| 168 |
format.format(maxY()) + ")"; |
|
| 169 |
} |
|
| 170 |
|
|
| 171 |
public interface Has {
|
|
| 172 |
public Extent getExtent(); |
|
| 173 |
} |
|
| 174 |
} |
|
Also available in: Unified diff