/* | |
* Copyright 2012 AndroidPlot.com | |
* | |
* 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 com.androidplot.xy; | |
import android.graphics.Path; | |
import android.graphics.PointF; | |
/** | |
* WARNING: This is an unfinished class. Series drawn by this implementation may look nice | |
* but they are not yet accurate representations of the control points from which they are derived. | |
*/ | |
public class BezierLineAndPointRenderer extends LineAndPointRenderer<BezierLineAndPointFormatter> { | |
public BezierLineAndPointRenderer(XYPlot plot) { | |
super(plot); | |
} | |
@Override | |
protected void appendToPath(Path path, PointF thisPoint, PointF lastPoint) { | |
//path.lineTo(thisPoint.x, thisPoint.y); | |
// bezier curve version: | |
PointF mid = new PointF(); | |
mid.set((lastPoint.x + thisPoint.x) / 2, (lastPoint.y + thisPoint.y) / 2); | |
path.quadTo((lastPoint.x + mid.x) / 2, lastPoint.y, mid.x, mid.y); | |
//path.quadTo((mid.x + thisPoint.x) / 2, thisPoint.y, thisPoint.x, thisPoint.y); | |
path.quadTo((mid.x + thisPoint.x) / 2, lastPoint.y, thisPoint.x, thisPoint.y); | |
} | |
} |