BitmapFontSample.java

package com.cookbook.samples;


import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.utils.Align;
import com.badlogic.gdx.utils.viewport.FitViewport;
import com.badlogic.gdx.utils.viewport.Viewport;

public class BitmapFontSample extends GdxSample {
	private static final int VIRTUAL_WIDTH = 1280;
	private static final int VIRTUAL_HEIGHT = 720;
	
	private OrthographicCamera camera;
	private Viewport viewport;
	private SpriteBatch batch;
	private BitmapFont font;
	
	@Override
	public void create() {		
		camera = new OrthographicCamera();
		camera.position.set(VIRTUAL_WIDTH  * 0.5f, VIRTUAL_HEIGHT * 0.5f, 0.0f);
		
		viewport = new FitViewport(VIRTUAL_WIDTH, VIRTUAL_HEIGHT, camera);
		batch = new SpriteBatch();
		
		font = new BitmapFont(Gdx.files.internal("data/fonts/play.fnt"));
		font.setColor(Color.WHITE);
		
		
		System.out.println("================");
		System.out.println("Font information");
		System.out.println("================");
		System.out.println("Ascent: " + font.getAscent());
		System.out.println("Descent: " + font.getDescent());
		System.out.println("Cap height: " + font.getCapHeight());
		System.out.println("Line height: " + font.getLineHeight());
		System.out.println("Space width: " + font.getSpaceWidth());
	}

	@Override
	public void dispose() {
		batch.dispose();
		font.dispose();
	}

	@Override
	public void render() {
		Gdx.gl.glClearColor(0.6f, 0.6f, 0.6f, 1.0f);
		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
		
		batch.setProjectionMatrix(camera.combined);
		
		batch.begin();
		font.setColor(Color.WHITE);
		font.draw(batch, "This is a one line string", 20.0f, VIRTUAL_HEIGHT - 50.0f);
		font.setColor(Color.RED);
		font.getData().setScale(1.5f);
		font.draw(batch, "This is a scaled red\nmultiline string", 20.0f, VIRTUAL_HEIGHT - 150.0f);
		font.setColor(Color.BLUE);
		font.getData().setScale(1.0f);
		font.draw(batch,
				  "This is a blue string wrapped to fit inside a 900px box. BitmapFont will have to insert line breaks somewhere",
				  20.0f,
				  VIRTUAL_HEIGHT - 400.0f,
				  900.0f,
				  Align.left,
				  true);
		batch.end();
	}

	@Override
	public void resize(int width, int height) {
		viewport.update(width, height);
	}
}