123 lines
2.9 KiB
Java
123 lines
2.9 KiB
Java
package com.minres.scviewer.database.swt.internal;
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import java.util.Arrays;
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import org.eclipse.swt.graphics.Color;
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import org.eclipse.swt.graphics.GC;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.graphics.Rectangle;
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public class Projection {
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private Point translation;
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private GC gc;
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public Projection(GC gc) {
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super();
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this.gc = gc;
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translation=new Point(0, 0);
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}
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void setTranslation(Point t) {
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translation = t;
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}
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void setGC(GC gc) {
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this.gc=gc;
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}
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Point getTranslation() {
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return translation;
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}
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Point project(Point p) {
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return new Point(p.x+translation.x, p.y+translation.y);
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}
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public Rectangle unProject(Rectangle r) {
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return new Rectangle(r.x-translation.x, r.y-translation.y, r.width, r.height);
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}
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public void setBackground(Color color) {
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gc.setBackground(color);
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}
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public void setFillRule(int rule) {
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gc.setFillRule(rule);
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}
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public void fillRectangle(Rectangle rect) {
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gc.fillRectangle(rect.x+translation.x, rect.y+translation.y, rect.width, rect.height);
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}
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public void setLineStyle(int style) {
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gc.setLineStyle(style);
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}
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public void setLineWidth(int width) {
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gc.setLineWidth(width);
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}
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public void setForeground(Color color) {
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gc.setForeground(color);
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}
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public void drawLine(int x1, int y1, int x2, int y2) {
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gc.drawLine(x1+translation.x, y1+translation.y, x2+translation.x, y2+translation.y);
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}
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public GC getGC() {
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return gc;
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}
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public void drawRectangle(Rectangle rect) {
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gc.drawRectangle(rect.x+translation.y, rect.y+translation.y, rect.width, rect.height);
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}
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public void fillRoundRectangle(int x, int y, int width, int height, int arcWidth, int arcHeight) {
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gc.fillRoundRectangle(x+translation.x, y+translation.y, width, height, arcWidth, arcHeight);
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}
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public void drawRoundRectangle(int x, int y, int width, int height, int arcWidth, int arcHeight) {
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gc.drawRoundRectangle(x+translation.x, y+translation.y, width, height, arcWidth, arcHeight);
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}
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public void setAntialias(int antialias) {
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gc.setAntialias(antialias);
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}
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public void drawText(String string, int x, int y) {
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gc.drawText(string, x+translation.x, y+translation.y);
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}
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private int[] project(int[] points) {
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int[] res = Arrays.copyOf(points, points.length);
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for(int i=0; i<points.length; i+=2) {
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res[i]=points[i]+translation.x;
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res[i+1]=points[i+1]+translation.y;
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}
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return res;
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}
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public void fillPolygon(int[] points) {
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gc.fillPolygon(project(points));
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}
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public void drawPolygon(int[] points) {
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gc.drawPolygon(project(points));
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}
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public Rectangle getClipping() {
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Rectangle c = gc.getClipping();
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return new Rectangle(c.x-translation.x, c.y-translation.y, c.width, c.height);
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}
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public void setClipping(int x, int y, int width, int height) {
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gc.setClipping(x+translation.x, y+translation.y, width, height);
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}
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public void setClipping(Rectangle r) {
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gc.setClipping(r.x+translation.x, r.y+translation.y, r.width, r.height);
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}
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}
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