Android Open Source - RollOverSphere---a-simple-libgdx-game Text Button

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Back to project page RollOverSphere---a-simple-libgdx-game.

License

The source code is released under:

MIT License

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Java Source Code

package com.igorcrevar.rolloverchuck.objects;
//  ww w . j  a  v a2  s  .com
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.BitmapFont.TextBounds;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.igorcrevar.rolloverchuck.utils.GameHelper;

public abstract class TextButton {
  private static Color defTxtColor = new Color(1f, 204f / 255f, 0, 1f);
  private float startX;
  private float startY;
  private float width;
  private float height;
  private String text;
  private float textScale;
  private boolean isEnabled;
  private TextureRegion txtRegion;
  
  public TextButton(BitmapFont font, String text, float y, float width, float height) {
    this(font, text, (1920f - width) / 2.0f, y, width, height, 1.0f);
  }
  
  public TextButton(BitmapFont font, String text, float x, float y, float width, float height) {
    this(font, text, x, y, width, height, 1.0f);
  }
  
  public TextButton(BitmapFont font, String text, float x, float y, float width, float height, float textScale) {
    this.text = text;
    this.startX = x;
    this.startY = y;
    this.width = width;
    this.height = height;
    this.textScale = textScale;
    isEnabled = true;
    txtRegion = new TextureRegion(font.getRegion().getTexture(), 310f / 512f, 470f / 512f, 1.0f, 1.0f);
  }
  
  public void draw(SpriteBatch spriteBatch, BitmapFont font) {
    spriteBatch.draw(txtRegion, startX, startY - height, width, height);
    font.setScale(textScale);    
    font.setColor(defTxtColor);
    TextBounds tb = font.getBounds(text);
    float tpX = (width - tb.width) / 2 + startX;
    float tpY = - (height - tb.height) / 2 + startY + 5.0f;
    font.draw(spriteBatch, text, tpX, tpY);
  }
  
  public boolean check(float x, float y) {
    if (isEnabled && GameHelper.tapPointInsideRectangle(x, y, startX, startY, width, height)) {
      onClick();
      return true;
    }
    
    return false;
  }
    
  public void setIsEnabled(boolean isEnabled) {
    this.isEnabled = isEnabled;
  }
  
  protected abstract void onClick();
}

Java Source Code List