public void paintComponent(final Graphics g) {
// Graphics2D g_ = (Graphics2D)g;
// g.clearRect(0, 0, super.getWidth(), super.getHeight());
super.paintComponent(g);
// Font oldFont = g.getFont();
final Rectangle2D startBounds = g.getFontMetrics().getStringBounds(this.startLabel, g);
final Rectangle2D endBounds = g.getFontMetrics().getStringBounds(this.endLabel, g);
final InterpolatedColorMap colorMap = this.options.getCurrentColorMap();
final float[] color = {0, 0, 0};
final Insets insets = super.getInsets();
// draw the color ramp
final int rampStartX = 15;
final int rampWidth = (int) Math.max(startBounds.getWidth(), endBounds.getWidth());
final int rampStartY = (int) (startBounds.getHeight() + 3 + insets.top);
final int rampEndY = (int) (super.getHeight() - endBounds.getHeight() - insets.bottom);
final int rampHeight = rampEndY - rampStartY;
final float sampleStep = 1.0f / rampHeight;
for (int i = 0; i < rampHeight; i++) {
final float f = sampleStep * i;
colorMap.getColor(f, color);
final Color colorObject = new Color(color[0], color[1], color[2]);
g.setColor(colorObject);
final int curY = i + rampStartY;
g.drawLine(rampStartX, curY, rampStartX + rampWidth, curY);
}
// draw the labels
g.setColor(Color.BLACK);
g.drawString(this.startLabel, rampStartX, (int) startBounds.getHeight());
g.drawString(this.endLabel, rampStartX, super.getHeight());
}
public void mouseClicked(final MouseEvent e) {
final ColorMapDialog dialog =
new ColorMapDialog(AppBase.sgetActiveFrame(), this.options.getCurrentColorMap());
dialog.show();
super.repaint();
}