package com.jogamp.opengl.test.junit.graph;

import java.io.IOException;

import javax.media.nativewindow.NativeWindowFactory;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLCapabilitiesImmutable;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.GLException;
import javax.media.opengl.GLProfile;

import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

import com.jogamp.graph.curve.Region;
import com.jogamp.newt.opengl.GLWindow;
import com.jogamp.opengl.test.junit.graph.demos.GPURegionGLListener01;
import com.jogamp.opengl.test.junit.graph.demos.GPURegionGLListener02;
import com.jogamp.opengl.test.junit.graph.demos.GPURegionRendererListenerBase01;


public class TestRegionRenderer01 {

    public static void main(String args[]) throws IOException {
        String tstname = TestRegionRenderer01.class.getName();
        org.junit.runner.JUnitCore.main(tstname);
    }    
    
	@BeforeClass
	public static void initClass() {
		GLProfile.initSingleton(true);
		NativeWindowFactory.initSingleton(true);
	}

	static void destroyWindow(GLWindow window) {
		if(null!=window) {
			window.destroy();
		}
	}

	static GLWindow createWindow(String title, GLCapabilitiesImmutable caps, int width, int height) {
		Assert.assertNotNull(caps);

		GLWindow window = GLWindow.create(caps);
		window.setSize(width, height);
		window.setPosition(10, 10);
		window.setTitle(title);
		Assert.assertNotNull(window);
		window.setVisible(true);

		return window;
	}

	@Test
	public void testRegionRendererR2T01() throws InterruptedException {
        GLProfile glp = GLProfile.getGL2ES2();
		
		GLCapabilities caps = new GLCapabilities(glp);
		//caps.setOnscreen(false);
		caps.setAlphaBits(4);	

		GLWindow window = createWindow("shape-r2t1-msaa0", caps, 800,400);
		
        GPURegionGLListener02  demo02Listener = new GPURegionGLListener02 (Region.TWO_PASS, 1140, false, false); 
        demo02Listener.attachInputListenerTo(window);                
        window.addGLEventListener(demo02Listener);        
        
        RegionGLListener listener = new RegionGLListener(demo02Listener, window.getTitle(), "GPURegionNewtDemo02");
        window.addGLEventListener(listener);
        
        listener.setTech(-20, 00, 0f, -300, 400);
		window.display();
		
        listener.setTech(-20, 00, 0f, -150, 800);
        window.display();
		
        listener.setTech(-20, 00, 0f, -50, 1000);
        window.display();

		destroyWindow(window); 
	}
	
	@Test
	public void testRegionRendererMSAA01() throws InterruptedException {
		GLProfile glp = GLProfile.get(GLProfile.GL2ES2);
		GLCapabilities caps = new GLCapabilities(glp);
	//	caps.setOnscreen(false);
		caps.setAlphaBits(4);	
		caps.setSampleBuffers(true);
		caps.setNumSamples(4);

		GLWindow window = createWindow("shape-r2t0-msaa1", caps, 800, 400);
		
        GPURegionGLListener01 demo01Listener = new GPURegionGLListener01 (Region.SINGLE_PASS, 0, false, false);
        demo01Listener.attachInputListenerTo(window);        
        window.addGLEventListener(demo01Listener);
				
		RegionGLListener listener = new RegionGLListener(demo01Listener, window.getTitle(), "GPURegion01");
		window.addGLEventListener(listener);
		
        listener.setTech(-20, 00, 0f, -300, 400);
        window.display();
        
        listener.setTech(-20, 00, 0f, -150, 800);
        window.display();
        
        listener.setTech(-20, 00, 0f, -50, 1000);
        window.display();
        
		destroyWindow(window); 
	}
	
	private class RegionGLListener implements GLEventListener {
	    String winTitle;
	    String name;
	    GPURegionRendererListenerBase01 impl;
	    
		public RegionGLListener(GPURegionRendererListenerBase01 impl, String title, String name) {
		    this.impl = impl;
		    this.winTitle = title;
		    this.name = name;
		}
		
		public void setTech(float xt, float yt, float angle, int zoom, int fboSize){
			impl.setMatrix(xt, yt, angle, zoom, fboSize);       
		}

		public void init(GLAutoDrawable drawable) {
		    impl.init(drawable);
		}
		
		public void display(GLAutoDrawable drawable) {
		    impl.display(drawable);

			try {
				impl.printScreen(drawable, "./", winTitle, name, false);
			} catch (GLException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

        public void dispose(GLAutoDrawable drawable) {
            impl.dispose(drawable);
            
        }

        public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
            impl.reshape(drawable, x, y, width, height);
            
        }
	}
}