platform/util/src/com/intellij/util/ui/IsRetina.java

/*
 * Copyright 2000-2012 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 apple.awt.CImage;

import java.awt.image.BufferedImage;

class IsRetina {
  public static boolean isRetina() {
    try {
      final boolean[] isRetina = new boolean[1];
      new CImage.HiDPIScaledImage(1, 1, BufferedImage.TYPE_INT_ARGB) {
        @Override
        public void drawIntoImage(BufferedImage image, float v) {
          isRetina[0] = v > 1;
        }
      };
      return isRetina[0];
    }
    catch (Throwable e) {
      e.printStackTrace();
      return false;
    }
  }
}