/*
* Copyright 2014-2017 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.kotcrab.vis.ui.widget.color.internal;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.kotcrab.vis.ui.widget.VisImage;
/**
* Allow to render standard {@link VisImage} with shader. Shaders uniforms can be set in {@link #setShaderUniforms(ShaderProgram)}
* @author Kotcrab
*/
public class ShaderImage extends VisImage {
private ShaderProgram shader;
public ShaderImage (ShaderProgram shader, Texture texture) {
super(texture);
this.shader = shader;
}
@Override
public void draw (Batch batch, float parentAlpha) {
ShaderProgram originalShader = batch.getShader();
batch.setShader(shader);
setShaderUniforms(shader);
super.draw(batch, parentAlpha);
batch.setShader(originalShader);
}
protected void setShaderUniforms (ShaderProgram shader) {
}
}
