/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.util.ui;
import com.intellij.openapi.ui.GraphicsConfig;
import com.intellij.ui.Gray;
import com.intellij.ui.JBColor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.awt.*;
import java.awt.image.BufferedImage;
/**
* @author Vassiliy Kudryashov
* @author Konstantin Bulenkov
*/
public class TwoColorsIcon extends ColorIcon {
@NotNull private final Color mySecondColor;
private static final int SQUARE_SIZE = JBUI.scale(6);
private static final BufferedImage CHESS_IMAGE = UIUtil.createImage(SQUARE_SIZE, SQUARE_SIZE, BufferedImage.TYPE_INT_RGB);
private static final TexturePaint CHESS;
static {
Graphics2D graphics = CHESS_IMAGE.createGraphics();
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
graphics.setColor(JBColor.LIGHT_GRAY);
graphics.fillRect(0, 0, SQUARE_SIZE + 1, SQUARE_SIZE + 1);
graphics.setColor(JBColor.GRAY);
graphics.fillRect(0, 0, SQUARE_SIZE / 2, SQUARE_SIZE / 2);
graphics.fillRect(SQUARE_SIZE / 2, SQUARE_SIZE / 2, SQUARE_SIZE / 2, SQUARE_SIZE / 2);
graphics.dispose();
CHESS = new TexturePaint(CHESS_IMAGE, new Rectangle(0, 0, SQUARE_SIZE, SQUARE_SIZE));
}
public TwoColorsIcon(int size, @Nullable Color color1, @Nullable Color secondColor) {
super(size, size, color1 != null ? color1 : Gray.TRANSPARENT, false);
mySecondColor = secondColor != null ? secondColor : Gray.TRANSPARENT;
}
protected TwoColorsIcon(TwoColorsIcon icon) {
super(icon);
mySecondColor = icon.mySecondColor;
}
@Override
protected TwoColorsIcon copy() {
return new TwoColorsIcon(this);
}
@Override
public void paintIcon(final Component component, Graphics g, int x, int y) {
Graphics2D g2d = (Graphics2D)g.create();
final GraphicsConfig config = GraphicsUtil.setupAAPainting(g2d);
try {
final int w = getIconWidth();
final int h = getIconHeight();
g2d.setPaint(getPaint(getIconColor()));
g2d.fillPolygon(new int[]{x, x + w, x}, new int[]{y, y, y + h}, 3);
g2d.setPaint(getPaint(mySecondColor));
g2d.fillPolygon(new int[]{x + w, x + w, x}, new int[]{y, y + h, y + h}, 3);
}
catch (Exception e) {
g2d.dispose();
}
finally {
config.restore();
}
}
protected Paint getPaint(Color color) {
return color == null || color.getAlpha() == 0 ? CHESS : color;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
TwoColorsIcon icon = (TwoColorsIcon)o;
if (getIconWidth() != icon.getIconWidth()) return false;
if (getIconHeight() != icon.getIconHeight()) return false;
if (!mySecondColor.equals(icon.mySecondColor)) return false;
return true;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + mySecondColor.hashCode();
return result;
}
}