146 lines
3.6 KiB
Java
146 lines
3.6 KiB
Java
package break_out.view;
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import java.awt.BasicStroke;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.GradientPaint;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import javax.swing.JPanel;
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/**
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* This panel represents the background for special divisions in this application
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*
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* @author dmlux
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*
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*/
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public class SectionPanel extends JPanel {
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/**
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* Automatic generated serial version UID
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*/
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private static final long serialVersionUID = -7773487090869704154L;
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/**
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* Color of the panel
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*/
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private Color color;
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/**
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* Thickness of the border
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*/
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protected int strokeSize = 1;
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/**
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* Color of the shadow
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*/
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protected Color shadowColor = new Color(50, 50, 50);
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/**
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* Shadow flag
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*/
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protected boolean shady = true;
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/**
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* Double value for the vertical curvature
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*/
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protected Dimension arcs = new Dimension(10, 10);
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/**
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* Distance of shadow to the panel border
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*/
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protected int shadowGap = 3;
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/**
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* Shadow offset
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*/
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protected int shadowOffset = 3;
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/**
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* Shadow transparency
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*/
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protected int shadowAlpha = 200;
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/**
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* A constructor for the section panel
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*/
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public SectionPanel() {
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super();
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setOpaque(false);
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// set background color
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this.color = new Color(220, 220, 220);
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}
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/**
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* A constructor that expects a background color for this panel
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*
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* @param background The background color
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*/
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public SectionPanel(Color background) {
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super();
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setOpaque(false);
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// set background
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this.color = background;
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}
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@Override
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public void setBackground(Color bg) {
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color = bg;
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repaint();
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}
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@Override
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protected void paintComponent(Graphics g) {
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super.paintComponent(g);
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int width = getWidth();
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int height = getHeight();
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int shadowGap = this.shadowGap;
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Color shadowColorA = new Color(shadowColor.getRed(),
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shadowColor.getGreen(), shadowColor.getBlue(), shadowAlpha);
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Graphics2D g2 = (Graphics2D) g;
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// Sets antialiasing
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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RenderingHints.VALUE_ANTIALIAS_ON);
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// Draws shadow borders if any.
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if (shady) {
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g2.setColor(shadowColorA);
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g2.fillRoundRect(shadowOffset, // X position
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shadowOffset, // Y position
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width - strokeSize - shadowOffset, // width
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height - strokeSize - shadowOffset, // height
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arcs.width, arcs.height); // arc Dimension
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} else
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shadowGap = 1;
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// Draws the rounded opaque panel with borders.
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Color c1 = color;
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int nr = Math.min((color.getRed() + 40), 255);
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int ng = Math.min((color.getGreen() + 40), 255);
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int nb = Math.min((color.getBlue() + 40), 255);
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Color c2 = new Color(nr, ng, nb);
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GradientPaint gradient = new GradientPaint(0, 0, c1, getWidth(),
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getHeight(), c2, true);
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g2.setPaint(gradient);
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g2.fillRoundRect(0, 0, width - shadowGap, height - shadowGap,
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arcs.width, arcs.height);
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g2.setColor(new Color(120, 120, 120));
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g2.setStroke(new BasicStroke(strokeSize));
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g2.drawRoundRect(0, 0, width - shadowGap, height - shadowGap,
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arcs.width, arcs.height);
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// Sets strokes to default, is better.
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g2.setStroke(new BasicStroke());
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}
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}
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