/*
 * Copyright 2000-2015 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.ide.ui;

import com.intellij.openapi.application.Application;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.util.ui.UIUtil;
import consulo.util.ui.AATextInfo;

import java.awt.*;

public enum AntialiasingType {
  SUBPIXEL("Subpixel", RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB, true),
  GREYSCALE("Greyscale", RenderingHints.VALUE_TEXT_ANTIALIAS_ON, true),
  OFF("No antialiasing", RenderingHints.VALUE_TEXT_ANTIALIAS_OFF, false);

  public static AATextInfo getAAHintForSwingComponent() {
    Application application = ApplicationManager.getApplication();
    if (application != null) {
      AntialiasingType type = UISettings.getInstance().IDE_AA_TYPE;
      if (type != null) {
        return type.getTextInfo();
      }
    }
    return GREYSCALE.getTextInfo();
  }

  public static Object getKeyForCurrentScope(boolean inEditor) {
    UISettings uiSettings = UISettings.getInstance();
    if (uiSettings != null) {
      AntialiasingType type = inEditor ? uiSettings.EDITOR_AA_TYPE : uiSettings.IDE_AA_TYPE;
      if (type != null) return type.myHint;
    }
    return RenderingHints.VALUE_TEXT_ANTIALIAS_ON;
  }

  private final String myName;
  private final Object myHint;
  private final boolean isEnabled;

  AntialiasingType(String name, Object hint, boolean enabled) {
    myName = name;
    myHint = hint;
    isEnabled = enabled;
  }

  public AATextInfo getTextInfo() {
    return !isEnabled ? null : new AATextInfo(myHint, UIUtil.getLcdContrastValue());
  }

  @Override
  public String toString() {
    return myName;
  }
}