/*
* 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.ui.paint;
import com.intellij.util.ui.RegionPainter;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.Path2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
/**
* @author Sergey.Malenkov
*/
public enum RectanglePainter implements RegionPainter<Integer> {
DRAW {
@Override
public void paint(Graphics2D g, int x, int y, int width, int height, Integer round) {
int sw = 1; // stroke width
int dw = sw + sw;
if (width > dw && height > dw) {
int arc = round == null ? 0 : round;
if (arc > 0) {
Path2D path = new Path2D.Double(Path2D.WIND_EVEN_ODD);
path.append(new RoundRectangle2D.Double(x, y, width, height, arc, arc), false);
path.append(new RoundRectangle2D.Double(x + sw, y + sw, width - dw, height - dw, arc - dw, arc - dw), false);
Object old = g.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.fill(path);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, old);
}
else {
Path2D path = new Path2D.Double(Path2D.WIND_EVEN_ODD);
path.append(new Rectangle2D.Double(x, y, width, height), false);
path.append(new Rectangle2D.Double(x + sw, y + sw, width - dw, height - dw), false);
g.fill(path);
}
}
else {
FILL.paint(g, x, y, width, height, round);
}
}
},
FILL {
@Override
public void paint(Graphics2D g, int x, int y, int width, int height, Integer round) {
if (width > 0 && height > 0) {
int arc = round == null ? 0 : round;
if (arc > 0) {
Object old = g.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.fillRoundRect(x, y, width, height, arc, arc);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, old);
}
else {
g.fillRect(x, y, width, height);
}
}
}
};
public static void paint(Graphics2D g, int x, int y, int width, int height, int arc, Color fill, Color draw) {
if (fill != null) {
g.setColor(fill);
if (draw != null) {
int sw = 1; // stroke width
int dw = sw + sw;
FILL.paint(g, x + sw, y + sw, width - dw, height - dw, arc - dw);
}
else {
FILL.paint(g, x, y, width, height, arc);
}
}
if (draw != null) {
g.setColor(draw);
DRAW.paint(g, x, y, width, height, arc);
}
}
}