/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * 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.badlogic.gdx.tests;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Graphics.DisplayMode;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.tests.utils.GdxTest;

public class FullscreenTest extends GdxTest {
	SpriteBatch batch;
	Texture tex;
	boolean fullscreen = false;
	BitmapFont font;

	@Override
	public void create () {
		batch = new SpriteBatch();
		font = new BitmapFont();
		tex = new Texture(Gdx.files.internal("data/badlogic.jpg"));
		DisplayMode[] modes = Gdx.graphics.getDisplayModes();
		for (DisplayMode mode : modes) {
			System.out.println(mode);
		}
		Gdx.app.log("FullscreenTest", Gdx.graphics.getBufferFormat().toString());
	}

	@Override
	public void resume () {

	}

	@Override
	public void render () {
		Gdx.gl.glClearColor(0, 0, 0, 1);
		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
		
		batch.begin();
		batch.draw(tex, Gdx.input.getX(), Gdx.graphics.getHeight() - Gdx.input.getY());
		font.draw(batch, "" + Gdx.graphics.getWidth() + ", " + Gdx.graphics.getHeight(), 0, 20);
		batch.end();
		
		if (Gdx.input.justTouched()) {
			if (fullscreen) {
				Gdx.graphics.setWindowedMode(480, 320);
				batch.getProjectionMatrix().setToOrtho2D(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
				Gdx.gl.glViewport(0, 0, Gdx.graphics.getBackBufferWidth(), Gdx.graphics.getBackBufferHeight());
				fullscreen = false;
			} else {
				DisplayMode m = null;
				for(DisplayMode mode: Gdx.graphics.getDisplayModes()) {
					if(m == null) {
						m = mode;
					} else {
						if(m.width < mode.width) {
							m = mode;
						}
					}
				}
				
				Gdx.graphics.setFullscreenMode(Gdx.graphics.getDisplayMode());
				batch.getProjectionMatrix().setToOrtho2D(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
				Gdx.gl.glViewport(0, 0, Gdx.graphics.getBackBufferWidth(), Gdx.graphics.getBackBufferHeight());
				fullscreen = true;
			}
		}
	}

	@Override
	public void resize (int width, int height) {
		Gdx.app.log("FullscreenTest", "resized: " + width + ", " + height);
		batch.getProjectionMatrix().setToOrtho2D(0, 0, width, height);
	}

	@Override
	public void pause () {
		Gdx.app.log("FullscreenTest", "paused");
	}

	@Override
	public void dispose () {
		Gdx.app.log("FullscreenTest", "disposed");
	}
}