/*******************************************************************************
* 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.GL20;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.scenes.scene2d.ui.ScrollPane;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Table;
import com.badlogic.gdx.tests.utils.GdxTest;
public class GroupCullingTest extends GdxTest {
static private final int count = 100;
private Stage stage;
private Skin skin;
private Table root;
private Label drawnLabel;
int drawn;
public void create () {
stage = new Stage();
Gdx.input.setInputProcessor(stage);
root = new Table();
root.setFillParent(true);
stage.addActor(root);
skin = new Skin(Gdx.files.internal("data/uiskin.json"));
Table labels = new Table();
root.add(new ScrollPane(labels, skin)).expand().fill();
root.row();
root.add(drawnLabel = new Label("", skin));
for (int i = 0; i < count; i++) {
labels.add(new Label("Label: " + i, skin) {
public void draw (Batch batch, float parentAlpha) {
super.draw(batch, parentAlpha);
drawn++;
}
});
labels.row();
}
}
@Override
public void dispose () {
stage.dispose();
skin.dispose();
}
public void resize (int width, int height) {
stage.getViewport().update(width, height, true);
root.invalidate();
}
public void render () {
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
drawn = 0;
stage.act(Gdx.graphics.getDeltaTime());
stage.draw();
drawnLabel.setText("Drawn: " + drawn + "/" + count);
drawnLabel.invalidateHierarchy();
}
public boolean needsGL20 () {
return false;
}
}