X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=gps%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fgpx%2FZoomableBackgroundXYPlot.java;fp=gps%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fgpx%2FZoomableBackgroundXYPlot.java;h=0000000000000000000000000000000000000000;hb=9e3f0e3a7b4a63aaed0c33466c041982dc93b511;hp=c81d59b9762309e686a7e144e323a34cc8aef763;hpb=2207a1e695ce23e79678c232cff2ceb84ebaa801;p=utils diff --git a/gps/src/main/java/org/wamblee/gpx/ZoomableBackgroundXYPlot.java b/gps/src/main/java/org/wamblee/gpx/ZoomableBackgroundXYPlot.java deleted file mode 100644 index c81d59b9..00000000 --- a/gps/src/main/java/org/wamblee/gpx/ZoomableBackgroundXYPlot.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright 2006 the original author or authors. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.wamblee.gpx; - -import java.awt.Graphics2D; -import java.awt.Image; -import java.awt.geom.Rectangle2D; - -import org.jfree.chart.axis.ValueAxis; -import org.jfree.chart.plot.XYPlot; -import org.jfree.chart.renderer.xy.XYItemRenderer; -import org.jfree.data.xy.XYDataset; - -/** - * Extension of XY plot that provides automatic zooming of the background - * image. - * - * @author Erik Brakkee - */ -public class ZoomableBackgroundXYPlot extends XYPlot { - - /* - * Initial domain axis. - */ - private double _x1 = 1.0; - private double _x2 = -1.0; // _x2 < _x1 initially to make signify uninitialized values. - - /* - * Initial range axis. - */ - private double _y1 = 1.0; - private double _y2 = -1.0; // _y2 < _y1 initially to make signify uninitialized values. - - public ZoomableBackgroundXYPlot(XYDataset aDataset, - ValueAxis aDomainAxis, ValueAxis aRangeAxis, XYItemRenderer aRenderer) { - super(aDataset, aDomainAxis, aRangeAxis, aRenderer); - } - - /* (non-Javadoc) - * @see org.jfree.chart.plot.Plot#drawBackgroundImage(java.awt.Graphics2D, java.awt.geom.Rectangle2D) - */ - @Override - protected void drawBackgroundImage(Graphics2D g2, Rectangle2D area) { - //System.out.println("--------"); - //System.out.println("Area: " + area); - //System.out.println("Graphics clip: " + g2.getClipBounds()); - //System.out.println("Domain axis: " + getDomainAxis().getLowerBound() + " " + - // getDomainAxis().getUpperBound()); - - // Get the current domain axis bounds - double y1 = getDomainAxis().getLowerBound(); - double y2 = getDomainAxis().getUpperBound(); - double x1 = getRangeAxis().getLowerBound(); - double x2 = getRangeAxis().getUpperBound(); - - if ( _x2 < _x1 ) { - // initial domain axis bounds - _y1 = y1; - _y2 = y2; - _x1 = x1; - _x2 = x2; - } - - Image background = getBackgroundImage(); - int width = background.getWidth(null); - int height = background.getHeight(null); - - // Determine the part of the image to be drawn on the screen based on the scaling - // of the domain axes. - int imageX1 = (int)Math.round(1 + (x1 - _x1)*(width-1)/(_x2 - _x1)); - int imageX2 = (int)Math.round(1 + (x2 - _x1)*(width-1)/(_x2 - _x1)); - // Note: y-axis of image goes from bottom to top. - int imageY2 = (int)Math.round(height + (y1 - _y1)*(1-height)/(_y2 - _y1)); - int imageY1 = (int)Math.round(height + (y2 - _y1)*(1-height)/(_y2 - _y1)); - - // Draw the correct part of the image on the screen. - g2.drawImage(background, (int)area.getMinX(), (int)area.getMinY(), (int)area.getMaxX(), (int)area.getMaxY(), - imageX1, imageY1, imageX2, imageY2, null); - - // System.out.println("========"); - } - -}