私はJavaで描画ツールを作っていますが、オレンジは私に少し似ています。 関数の色名はどこに置くかpublic Color darker()
?Javaで色をより暗くする方法
package MaddpawNightpainter;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import javax.swing.JComponent;
/*
Author: Bogdan Ganev
Title: Maddpaw Nightpainter
Description: Nightpainter is a drawing tool, part of Maddpaw - Multifunctional App for Designers,
Developers And Writers
Copyright: Copyright (C) 2016 Bogdan Ganev. All rights reserved. Maddpaw, Multifunctional App for Designers,
Developers And Writers is a trademark of Bogdan Ganev. Java TM is a trademark of Oracle Corporation (R)
*/
public class Nightpainter extends JComponent {
// Image in which we're going to draw
private Image image;
// Graphics2D object ==> used to draw on
private Graphics2D g2;
// Mouse coordinates
private int currentX, currentY, oldX, oldY;
public Nightpainter() {
setDoubleBuffered(false);
addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
// save coord x,y when mouse is pressed
oldX = e.getX();
oldY = e.getY();
}
});
addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
// coord x,y when drag mouse
currentX = e.getX();
currentY = e.getY();
if (g2 != null) {
// draw line if g2 context not null
g2.drawLine(oldX, oldY, currentX, currentY);
// refresh draw area to repaint
repaint();
// store current coords x,y as olds x,y
oldX = currentX;
oldY = currentY;
}
}
});
}
protected void paintComponent(Graphics g) {
if (image == null) {
// image to draw null ==> we create
image = createImage(getSize().width, getSize().height);
g2 = (Graphics2D) image.getGraphics();
// enable antialiasing
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// clear draw area
clear();
}
g.drawImage(image, 0, 0, null);
}
// now we create exposed methods
public void clear() {
g2.setPaint(Color.white);
// draw white on entire draw area to clear
g2.fillRect(0, 0, getSize().width, getSize().height);
g2.setPaint(Color.black);
repaint();
}
public void red() {
// apply red color on g2 context
g2.setPaint(Color.red);
}
public void black() {
g2.setPaint(Color.black);
}
public void magenta() {
g2.setPaint(Color.magenta);
}
public void green() {
g2.setPaint(Color.green);
}
public void blue() {
g2.setPaint(Color.blue);
}
public void yellow() {
g2.setPaint(Color.yellow);
}
public void orange() {
g2.setPaint(Color.orange.darker);
}
}
これは、他の一つは最初のファイルです。
パッケージMaddpawNightpainter。
橙色を暗くするために何を書きますか教えてください。
あなたが行うことができます
'color = color.darker();'、多分? –