com.lyeeedar.Roguelike3D.Graphics.TextureDrawer.java Source code

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Here is the source code for com.lyeeedar.Roguelike3D.Graphics.TextureDrawer.java

Source

/*******************************************************************************
 * Copyright (c) 2013 Philip Collin.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Philip Collin - initial API and implementation
 ******************************************************************************/
package com.lyeeedar.Roguelike3D.Graphics;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Pixmap.Format;
import com.badlogic.gdx.graphics.Color;
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.graphics.glutils.FrameBuffer;
import com.lyeeedar.Roguelike3D.Game.GameData;

public class TextureDrawer {

    public static final Format format = Format.RGBA4444;
    private static final SpriteBatch sB = new SpriteBatch();

    public static Texture drawText(BitmapFont font, int xSpacing, int ySpacing, String... text) {
        int height = ySpacing * (text.length + 2);

        int width = 0;

        int temp;
        for (int i = 0; i < text.length; i++) {
            temp = xSpacing * (text[i].length() + 2);

            if (temp > width)
                width = temp;
        }

        FrameBuffer fB = new FrameBuffer(format, width, height, false);
        fB.begin();

        Gdx.graphics.getGL20().glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
        Gdx.graphics.getGL20().glClear(GL20.GL_COLOR_BUFFER_BIT);

        font.setColor(Color.BLACK);

        sB.begin();
        for (int line = 0; line < text.length; line++) {
            for (int c = 0; c < text[line].length(); c++) {
                font.draw(sB, "" + text[line].charAt(c), c * xSpacing, (line - 1) * ySpacing);
            }
        }
        sB.end();

        fB.end();
        return fB.getColorBufferTexture();
    }

    public static Texture combineTextures(Texture texture1, Color colour1, Texture texture2, Color colour2) {
        int width = texture1.getWidth();
        int height = texture1.getHeight();

        FrameBuffer buffer = new FrameBuffer(format, width, height, false);
        buffer.begin();
        Gdx.graphics.getGL20().glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
        Gdx.graphics.getGL20().glClear(GL20.GL_COLOR_BUFFER_BIT);

        sB.begin();
        sB.setColor(colour1);
        sB.draw(texture1, 0, 0, GameData.resolution[0], GameData.resolution[1]);
        sB.end();

        if (texture2 != null) {
            sB.begin();
            sB.setColor(colour2);
            sB.draw(texture2, 0, 0, GameData.resolution[0], GameData.resolution[1]);
            sB.end();
        }

        buffer.end();

        Texture merged = buffer.getColorBufferTexture();

        return merged;

    }

}