/*
* 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;
import com.intellij.openapi.util.ScalableIcon;
import com.intellij.util.ui.JBUI;
import javax.swing.*;
import java.awt.*;
/**
* @author peter
*/
public class SizedIcon extends JBUI.CachingScalableJBIcon {
private final int myWidth;
private final int myHeight;
private final Icon myDelegate;
private Icon myScaledDelegate;
public SizedIcon(Icon delegate, int width, int height) {
myScaledDelegate = myDelegate = delegate;
myWidth = width;
myHeight = height;
}
protected SizedIcon(SizedIcon icon) {
super(icon);
myWidth = icon.myWidth;
myHeight = icon.myHeight;
myDelegate = icon.myDelegate;
myScaledDelegate = null;
}
@Override
protected SizedIcon copy() {
return new SizedIcon(this);
}
private Icon myScaledIcon() {
if (myScaledDelegate != null) {
return myScaledDelegate;
}
if (getScale() == 1f) {
return myScaledDelegate = myDelegate;
}
if (!(myDelegate instanceof ScalableIcon)) {
return myScaledDelegate = myDelegate;
}
return myScaledDelegate = ((ScalableIcon)myDelegate).scale(getScale());
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
Icon icon = myScaledIcon();
int dx = scaleVal(myWidth) - icon.getIconWidth();
int dy = scaleVal(myHeight) - icon.getIconHeight();
if (dx > 0 || dy > 0) {
icon.paintIcon(c, g, x + dx / 2, y + dy / 2);
}
else {
icon.paintIcon(c, g, x, y);
}
}
@Override
public int getIconWidth() {
return scaleVal(myWidth);
}
@Override
public int getIconHeight() {
return scaleVal(myHeight);
}
}