32 lines
598 B
Java
32 lines
598 B
Java
|
package gab.opencv;
|
||
|
|
|
||
|
|
import processing.core.*;
|
||
|
|
import org.opencv.core.Mat;
|
||
|
|
|
||
|
|
public class Histogram {
|
||
|
|
private Mat mat;
|
||
|
|
private PApplet parent;
|
||
|
|
|
||
|
|
public Histogram(PApplet parent, Mat mat){
|
||
|
|
this.mat = mat;
|
||
|
|
this.parent = parent;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void draw(int x, int y, int w, int h) {
|
||
|
|
parent.pushMatrix();
|
||
|
|
parent.translate(x, y);
|
||
|
|
int numBins = mat.height();
|
||
|
|
float binWidth = w/(float)numBins;
|
||
|
|
|
||
|
|
for (int i = 0; i < numBins; i++) {
|
||
|
|
float v = (float)mat.get(i, 0)[0];
|
||
|
|
parent.rect(i*binWidth, h, binWidth, -h*v);
|
||
|
|
}
|
||
|
|
parent.popMatrix();
|
||
|
|
}
|
||
|
|
|
||
|
|
public Mat getMat(){
|
||
|
|
return mat;
|
||
|
|
}
|
||
|
|
}
|