시소당

Opengl ES과 안드로이드 레이아웃 화면 관리

//메뉴바 없는 풀스크린

//AndroidMainifest.xml

<application android:icon="@drawable/icon" android:label="@string/app_name"
    android:theme="@android:style/Theme.NoTitleBar.Fullscreen">

       
        <activity android:name=".MyActivity"
                  android:label="leesunho Activity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
            </intent-filter>
        </activity>

    </application>

//myactivity.xml

<?xml version="1.0" encoding="utf-8"?>
<TableLayout  xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    >
<TableRow>
     <TextView 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="안드로이드  화면 분활 \n화면의 일부영역에 OpenGL ES 화면 넣기입니다."
     android:id="@+id/time"
    />
</TableRow>
 <TableRow> 
 
<LinearLayout
android:id="@+id/LinearLayout01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView 
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:src="@drawable/icon"
    android:scaleType="center"
    />
 <android.opengl.GLSurfaceView 
     android:id="@+id/surface_view"  
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     />
</LinearLayout>
 

 </TableRow>

</TableLayout>

//

package kr.mobileplace.lecture;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import android.app.Activity;
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup.LayoutParams;

public class MyActivity extends Activity {
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        /* 안드로이드  화면 분활 화면의 일부영역에 OpenGL ES 화면 넣기입니다.
        setContentView(R.layout.myactivity);
        GLSurfaceView glSurfaceView = (GLSurfaceView) findViewById(R.id.surface_view);
        glSurfaceView.setRenderer(new ClearRenderer());
        //glSurfaceView.getHolder().setFormat(PixelFormat.RGBA_8888);
        */
       
      //Opengl ES화면 위로 안드로이드 레이아웃 화면 오버레이
        GLSurfaceView glSurfaceView = new GLSurfaceView(this);
        glSurfaceView.setRenderer(new ClearRenderer());
        setContentView(glSurfaceView);
 
        View v  = getLayoutInflater().inflate(R.layout.myactivity, null);
        this.addContentView(v, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
       
    }
}

class ClearRenderer implements GLSurfaceView.Renderer {
//class ClearRenderer extends GLSurfaceView implements Renderer {
 float[] triangle = new float[] {
   -0.5f, 0, 0,
   0, 0.5f, 0,
   0.5f, 0, 0 };
 
 FloatBuffer triangleVB;
 
 public ClearRenderer() {

  triangleVB = createFloatBuffer(triangle);
 }
 
 @Override
 public void onDrawFrame(GL10 gl) {
  gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
 
  gl.glColor4f(1, 0, 0, 0.5f);
  gl.glVertexPointer(3, GL10.GL_FLOAT, 0, triangleVB);
  gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
  gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 3);
 }

 @Override
 public void onSurfaceChanged(GL10 gl, int width, int height) {
  gl.glViewport(0, 0, width, height);
 }

 @Override
 public void onSurfaceCreated(GL10 gl, EGLConfig config) {
  gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
 
 
  gl.glMatrixMode(GL10.GL_PROJECTION);
  gl.glLoadIdentity();
  //GLU.gluOrtho2D(gl, -1.0f, 1.0f, -1.0f, 1.0f);
 }
 
 protected FloatBuffer createFloatBuffer(float[] array) {
  ByteBuffer byteBuffer = ByteBuffer.allocateDirect(array.length << 2);
  byteBuffer.order(ByteOrder.nativeOrder());
  FloatBuffer floatBuffer = byteBuffer.asFloatBuffer();
  floatBuffer.put(array);
  floatBuffer.position(0);
  return floatBuffer;
 }
}