/*
* Copyright (c) 2005-2016 Substance Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* o Neither the name of Substance Kirill Grouchnikov nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package tools.jitterbug;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.JComponent;
import javax.swing.UIManager;
import org.pushingpixels.lafwidget.utils.RenderingUtils;
public class JHsvGraph extends JComponent {
private static Color COLOR_HUE = new Color(159, 41, 54);
private static Color COLOR_SAT = new Color(27, 88, 124);
private static Color COLOR_BRI = new Color(241, 135, 23);
private Color[] colors;
public JHsvGraph() {
}
public void setColors(Color[] colors) {
this.colors = colors;
this.repaint();
}
@Override
protected void paintComponent(Graphics g) {
int w = getWidth();
int h = getHeight();
Graphics2D g2d = (Graphics2D) g.create();
RenderingUtils.installDesktopHints(g2d, this);
g2d.setColor(Color.black);
int xOffset = g2d.getFontMetrics().stringWidth("255") + 5;
int yOffset = 2 * g2d.getFontMetrics().getHeight();
g2d.drawLine(xOffset, yOffset / 2, xOffset, h - yOffset);
g2d.drawLine(xOffset, h - yOffset, w - 1, h - yOffset);
String keys = "0123456789ABCDEF";
for (int i = 0; i < keys.length(); i++) {
String key = keys.charAt(i) + "F";
int y = yOffset + (h - 2 * yOffset) - (h - 2 * yOffset) * (i + 1)
/ 16;
g2d.setColor(Color.lightGray);
g2d.drawLine(xOffset + 1, y, w - 1, y);
g2d.setColor(Color.gray);
g2d.drawString(key, xOffset - 5
- g2d.getFontMetrics().stringWidth(key), y
+ g2d.getFontMetrics().getDescent());
}
if (this.colors != null) {
float[] hue = new float[this.colors.length];
float[] sat = new float[this.colors.length];
float[] bri = new float[this.colors.length];
int index = 0;
for (Color c : this.colors) {
float[] hsb = Color.RGBtoHSB(c.getRed(), c.getGreen(), c
.getBlue(), null);
hue[index] = hsb[0];
sat[index] = hsb[1];
bri[index] = hsb[2];
index++;
}
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
// Hue
g2d.setColor(COLOR_HUE);
for (int i = 0; i < this.colors.length; i++) {
int x = xOffset + 5 + (w - 1 - xOffset - 10) * i
/ (this.colors.length - 1);
int yHue = yOffset + (h - 2 * yOffset)
- (int) ((h - 2 * yOffset) * hue[i]);
g2d.fillRect(x - 2, yHue - 2, 5, 5);
if (i > 0) {
int prevHue = yOffset + (h - 2 * yOffset)
- (int) ((h - 2 * yOffset) * hue[i - 1]);
int xPrev = xOffset + 5 + (w - 1 - xOffset - 10) * (i - 1)
/ (this.colors.length - 1);
g2d.drawLine(xPrev, prevHue, x, yHue);
}
}
// Saturation
g2d.setColor(COLOR_SAT);
for (int i = 0; i < this.colors.length; i++) {
int x = xOffset + 5 + (w - 1 - xOffset - 10) * i
/ (this.colors.length - 1);
int ySat = yOffset + (h - 2 * yOffset)
- (int) ((h - 2 * yOffset) * sat[i]);
g2d.fillRect(x - 2, ySat - 2, 5, 5);
if (i > 0) {
int prevSat = yOffset + (h - 2 * yOffset)
- (int) ((h - 2 * yOffset) * sat[i - 1]);
int xPrev = xOffset + 5 + (w - 1 - xOffset - 10) * (i - 1)
/ (this.colors.length - 1);
g2d.drawLine(xPrev, prevSat, x, ySat);
}
}
// Brightness
g2d.setColor(COLOR_BRI);
for (int i = 0; i < this.colors.length; i++) {
int x = xOffset + 5 + (w - 1 - xOffset - 10) * i
/ (this.colors.length - 1);
int yBri = yOffset + (h - 2 * yOffset)
- (int) ((h - 2 * yOffset) * bri[i]);
g2d.fillRect(x - 2, yBri - 2, 5, 5);
if (i > 0) {
int prevBri = yOffset + (h - 2 * yOffset)
- (int) ((h - 2 * yOffset) * bri[i - 1]);
int xPrev = xOffset + 5 + (w - 1 - xOffset - 10) * (i - 1)
/ (this.colors.length - 1);
g2d.drawLine(xPrev, prevBri, x, yBri);
}
}
g2d.setFont(UIManager.getFont("Label.font").deriveFont(Font.BOLD));
int labelWidth = g2d.getFontMetrics().stringWidth("WWW") + 20;
int xLabel = xOffset + (w - xOffset - 3 * labelWidth) / 2;
int lh = h - g2d.getFontMetrics().getAscent() / 2 + 2 - yOffset / 2;
g2d.setColor(COLOR_HUE);
g2d.drawLine(xLabel, lh, xLabel + 15, lh);
g2d.fillRect(xLabel + 6, lh - 2, 5, 5);
g2d.drawString("Hue", xLabel + 20, h - yOffset / 2);
xLabel += labelWidth;
g2d.setColor(COLOR_SAT);
g2d.drawLine(xLabel, lh, xLabel + 15, lh);
g2d.fillRect(xLabel + 6, lh - 2, 5, 5);
g2d.drawString("Sat", xLabel + 20, h - yOffset / 2);
xLabel += labelWidth;
g2d.setColor(COLOR_BRI);
g2d.drawLine(xLabel, lh, xLabel + 15, lh);
g2d.fillRect(xLabel + 6, lh - 2, 5, 5);
g2d.drawString("Bri", xLabel + 20, h - yOffset / 2);
xLabel += labelWidth;
}
g2d.dispose();
}
}