Android Open Source - rgb-tool G L Render

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Back to project page rgb-tool.

License

The source code is released under:

Apache License

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Java Source Code

package com.fastebro.androidrgbtool.render;
//  w  w w  .j  a v  a 2 s .c  o m
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import android.opengl.GLSurfaceView.Renderer;

import static android.opengl.GLES20.*;

public class GLRender implements Renderer {

    public float R_COLOR = 0.0f;
    public float G_COLOR = 0.0f;
    public float B_COLOR = 0.0f;
    public float COLOR_OPACITY = 0.0f;

    @Override
    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) {
        // Set the background clear color to red. The first component is
        // red, the second is green, the third is blue, and the last
        // component is alpha.
        glClearColor(R_COLOR, G_COLOR, B_COLOR, COLOR_OPACITY);
    }

    /**
     * onSurfaceChanged is called whenever the surface has changed. This is
     * called at least once when the surface is initialized. Keep in mind that
     * Android normally restarts an Activity on rotation, and in that case, the
     * renderer will be destroyed and a new one created.
     *
     * @param width  The new width, in pixels.
     * @param height The new height, in pixels.
     */
    @Override
    public void onSurfaceChanged(GL10 glUnused, int width, int height) {
        // Set the OpenGL viewport to fill the entire surface.
        glViewport(0, 0, width, height);
    }

    /**
     * OnDrawFrame is called whenever a new frame needs to be drawn. Normally,
     * this is done at the refresh rate of the screen.
     */
    @Override
    public void onDrawFrame(GL10 glUnused) {
        // Clear the rendering surface.
        glColorMask(true, true, true, true);
        glClearColor(R_COLOR, G_COLOR, B_COLOR, COLOR_OPACITY);
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    }
}

Java Source Code List