Texture.java

package com.aincc.libtest.activity.flip.internal;

import static javax.microedition.khronos.opengles.GL10.GL_LINEAR;
import static javax.microedition.khronos.opengles.GL10.GL_RGBA;
import static javax.microedition.khronos.opengles.GL10.GL_TEXTURE_2D;
import static javax.microedition.khronos.opengles.GL10.GL_TEXTURE_MAG_FILTER;
import static javax.microedition.khronos.opengles.GL10.GL_TEXTURE_MIN_FILTER;
import static javax.microedition.khronos.opengles.GL10.GL_UNSIGNED_BYTE;

import javax.microedition.khronos.opengles.GL10;

import android.graphics.Bitmap;
import android.opengl.GLUtils;

import com.aincc.lib.util.Logger;

/*
 Copyright 2012 Aphid Mobile

 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.

 */

/**
 * 
 * <h3><b>Texture</b></h3></br>
 * 
 * 텍스쳐
 * 
 * @author aincc@barusoft.com
 * @version 1.0.0
 * @since 1.0.0
 */
public class Texture
{
	private int[] id =
	{ 0 };

	private int width, height;
	private int contentWidth, contentHeight;

	private boolean destroyed = false;

	private Texture()
	{
	}

	public static Texture createTexture(Bitmap bitmap, GL10 gl)
	{
		Texture t = new Texture();

		int w = Integer.highestOneBit(bitmap.getWidth() - 1) << 1;
		int h = Integer.highestOneBit(bitmap.getHeight() - 1) << 1;

		t.contentWidth = bitmap.getWidth();
		t.contentHeight = bitmap.getHeight();
		t.width = w;
		t.height = h;

		Logger.i("createTexture: " + bitmap.getWidth() + ", " + bitmap.getHeight() + "; POT: " + w + ", " + h);

		gl.glGenTextures(1, t.id, 0);
		gl.glBindTexture(GL_TEXTURE_2D, t.id[0]);
		gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
		gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
		/*
		 * gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
		 * gl.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
		 */
		gl.glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, null);
		GLUtils.texSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bitmap);

		return t;
	}

	public void destroy(GL10 gl)
	{
		if (id[0] != 0)
			gl.glDeleteTextures(1, id, 0);

		id[0] = 0;
	}

	public boolean isDestroyed()
	{
		return destroyed;
	}

	public int[] getId()
	{
		return id;
	}

	public int getWidth()
	{
		return width;
	}

	public int getHeight()
	{
		return height;
	}

	public int getContentWidth()
	{
		return contentWidth;
	}

	public int getContentHeight()
	{
		return contentHeight;
	}
}