AndroidGradient.java

/**
 * Copyright 2008 - 2015 The Loon Game Engine Authors
 * 
 * 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.
 * 
 * @project loon
 * @author cping
 * @email：javachenpeng@yahoo.com
 * @version 0.5
 */
package loon.android;

import loon.canvas.Gradient;
import android.graphics.LinearGradient;
import android.graphics.RadialGradient;
import android.graphics.Shader;

public class AndroidGradient extends Gradient {

  final Shader shader;

  public AndroidGradient (Config cfg) {
    if (cfg instanceof Radial) {
      Radial rc = (Radial)cfg;
      this.shader = new RadialGradient(
        rc.x, rc.y, rc.r, rc.colors, rc.positions, Shader.TileMode.CLAMP);

    } else if (cfg instanceof Linear) {
      Linear lc = (Linear)cfg;
      this.shader = new LinearGradient(
        lc.x0, lc.y0, lc.x1, lc.y1, lc.colors, lc.positions, Shader.TileMode.CLAMP);

    } else throw new IllegalArgumentException("Unknown config " + cfg);
  }
}