Android Open Source - opengl Tex Cube Small G L U T

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License

The source code is released under:

Apache License

Java Source Code

package com.androidbook.opengl;
//from   w  ww .java 2  s. co m
import java.nio.FloatBuffer;

import javax.microedition.khronos.opengles.GL10;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.opengl.GLUtils;

public class TexCubeSmallGLUT extends CubeSmallGLUT {

    TexCubeSmallGLUT(float size) throws IllegalArgumentException {
  super(size);
   }
    
    FloatBuffer mCoordBuffer;
    float texCoords[] = {
      1,0, 1,1, 0,1, 0,0,
      1,0, 1,1, 0,1, 0,0,
      1,0, 1,1, 0,1, 0,0,
      1,0, 1,1, 0,1, 0,0,
      1,0, 1,1, 0,1, 0,0,
      1,0, 1,1, 0,1, 0,0,
    };
    
    int mTextureID;
    boolean texEnabled = false;
    void setTex (GL10 gl, Context c, int textureID, int drawableID) {
  mCoordBuffer = getFloatBufferFromFloatArray(texCoords);
  
  mTextureID = textureID;
  
  gl.glBindTexture(GL10.GL_TEXTURE_2D, mTextureID);
  
  Bitmap bitmap = BitmapFactory.decodeResource(c.getResources(), drawableID);
  Bitmap bitmap256 = Bitmap.createScaledBitmap(bitmap, 256, 256, false);
  GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap256, 0);
  bitmap.recycle();
  bitmap256.recycle();
  
        gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER,
                GL10.GL_NEAREST);
        gl.glTexParameterf(GL10.GL_TEXTURE_2D,
                GL10.GL_TEXTURE_MAG_FILTER,
                GL10.GL_LINEAR);
        texEnabled = true;
        
    }
    
    void draw(GL10 gl) {
  if (texEnabled) {
      gl.glEnable(GL10.GL_TEXTURE_2D);
      gl.glBindTexture(GL10.GL_TEXTURE_2D, mTextureID);
      gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
      gl.glTexCoordPointer(2, GL10.GL_FLOAT, 0, mCoordBuffer);
  }
  
  super.draw(gl);
  
  if (texEnabled) {
      gl.glDisableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
      gl.glDisable(GL10.GL_TEXTURE_2D);
  }
    }

}

Java Source Code List

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