CaRMtl/rene/zirkel/graphics/MyTeXIcon.java
2018-09-04 22:51:42 -04:00

75 lines
1.9 KiB
Java

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package rene.zirkel.graphics;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import org.scilab.forge.jlatexmath.Box;
import org.scilab.forge.jlatexmath.TeXIcon;
/**
*
* @author erichake
*/
public class MyTeXIcon extends TeXIcon {
Box box;
private final float size;
private Insets insets = new Insets(0, 0, 0, 0);
private Color fg = new Color(0, 0, 0);
protected MyTeXIcon(Box b, float size) {
super(b,size,true);
box = b;
if (defaultSize != -1) {
size = defaultSize;
}
if (magFactor != 0) {
this.size = size * Math.abs(magFactor);
} else {
this.size = size;
}
}
public void paintIcon(Component c, Graphics g, float x, float y) {
Graphics2D g2 = (Graphics2D) g;
// copy graphics settings
RenderingHints oldHints = g2.getRenderingHints();
AffineTransform oldAt = g2.getTransform();
Color oldColor = g2.getColor();
// new settings
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2.scale(size, size); // the point size
g2.setColor(c != null ? c.getForeground() : fg); // foreground will be used as default painting color
// draw formula box
box.draw(g2,x/size, y /size+box.getHeight());
// restore graphics settings
g2.setRenderingHints(oldHints);
g2.setTransform(oldAt);
g2.setColor(oldColor);
}
@Override
public float getBaseLine() {
return ( box.getHeight() /(box.getHeight()+box.getDepth()));
}
}