Java tutorial
/** * * Copyright 2014 Martijn Brekhof * * This file is part of Catch Da Stars. * * Catch Da Stars is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Catch Da Stars is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Catch Da Stars. If not, see <http://www.gnu.org/licenses/>. * */ package com.strategames.ui.helpers; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.graphics.Color; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.g2d.Batch; import com.badlogic.gdx.graphics.glutils.ShapeRenderer; import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType; import com.badlogic.gdx.scenes.scene2d.Stage; import com.badlogic.gdx.scenes.scene2d.ui.Image; public class FilledRectangleImage extends Image { private Color color; private Color shapeRendererColor; private ShapeRenderer shapeRenderer; public FilledRectangleImage(Stage stage) { super(); this.shapeRenderer = new ShapeRenderer(); setStage(stage); this.color = getColor(); this.shapeRendererColor = this.shapeRenderer.getColor(); } @Override protected void setStage(Stage stage) { super.setStage(stage); if (stage != null) { this.shapeRenderer.setProjectionMatrix(stage.getCamera().combined); } } @Override public void draw(Batch batch, float parentAlpha) { batch.end(); Gdx.gl.glEnable(GL20.GL_BLEND); Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); this.shapeRendererColor.a = this.color.a; this.shapeRendererColor.r = this.color.r; this.shapeRendererColor.g = this.color.g; this.shapeRendererColor.b = this.color.b; this.shapeRenderer.begin(ShapeType.Filled); this.shapeRenderer.rect(getX(), getY(), getWidth(), getHeight()); this.shapeRenderer.end(); Gdx.gl.glDisable(GL20.GL_BLEND); batch.begin(); } }