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/**
 * Copyright 2011 The PlayN 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.
 */
package playn.core.gl;

import playn.core.CanvasLayer;
import playn.core.Graphics;
import playn.core.GroupLayer;
import playn.core.Image;
import playn.core.ImageLayer;
import playn.core.ImmediateLayer;
import playn.core.SurfaceLayer;

/**
 * Handles the common implementation of {@link Graphics} for GL backends.
 */
public abstract class GraphicsGL implements Graphics
{
  @Override @Deprecated
  public CanvasLayer createCanvasLayer(int width, int height) {
    return new CanvasLayerGL(ctx(), createImage(width, height));
  }

  @Override
  public GroupLayer createGroupLayer() {
    return new GroupLayerGL(ctx());
  }

  @Override
  public ImageLayer createImageLayer() {
    return new ImageLayerGL(ctx());
  }

  @Override
  public ImageLayer createImageLayer(Image image) {
    return new ImageLayerGL(ctx(), image);
  }

  @Override
  public SurfaceLayer createSurfaceLayer(int width, int height) {
    return new SurfaceLayerGL(ctx(), createSurface(width, height));
  }

  @Override
  public ImmediateLayer.Clipped createImmediateLayer(
      int width, int height, ImmediateLayer.Renderer renderer) {
    return new ImmediateLayerGL.Clipped(ctx(), width, height, renderer);
  }

  @Override
  public ImmediateLayer createImmediateLayer(ImmediateLayer.Renderer renderer) {
    return new ImmediateLayerGL(ctx(), renderer);
  }

  protected SurfaceGL createSurface(int width, int height) {
    return new SurfaceGL(ctx(), width, height);
  }

  protected abstract GLContext ctx();
}