package org.andengine.opengl.texture.atlas.bitmap;
import java.util.ArrayList;
import org.andengine.opengl.texture.PixelFormat;
import org.andengine.opengl.texture.TextureManager;
import org.andengine.opengl.texture.TextureOptions;
import org.andengine.opengl.texture.atlas.TextureAtlas;
import org.andengine.opengl.texture.atlas.bitmap.source.EmptyBitmapTextureAtlasSource;
import org.andengine.opengl.texture.atlas.bitmap.source.IBitmapTextureAtlasSource;
import org.andengine.opengl.texture.atlas.source.ITextureAtlasSource;
import org.andengine.opengl.texture.bitmap.BitmapTexture.BitmapTextureFormat;
import org.andengine.opengl.util.GLState;
import org.andengine.util.exception.NullBitmapException;
import org.andengine.util.math.MathUtils;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.opengl.GLES20;
import android.opengl.GLUtils;
/**
* (c) 2010 Nicolas Gramlich
* (c) 2011 Zynga Inc.
*
* @author Nicolas Gramlich
* @since 14:55:02 - 08.03.2010
*/
public class BitmapTextureAtlas extends TextureAtlas<IBitmapTextureAtlasSource> {
// ===========================================================
// Constants
// ===========================================================
// ===========================================================
// Fields
// ===========================================================
private final BitmapTextureFormat mBitmapTextureFormat;
// ===========================================================
// Constructors
// ===========================================================
/**
* Uses {@link BitmapTextureFormat#RGBA_8888}.
*/
public BitmapTextureAtlas(final TextureManager pTextureManager, final int pWidth, final int pHeight) {
this(pTextureManager, pWidth, pHeight, BitmapTextureFormat.RGBA_8888);
}
/**
* @param pBitmapTextureFormat use {@link BitmapTextureFormat#RGBA_8888} or {@link BitmapTextureFormat#RGBA_4444} for a {@link BitmapTextureAtlas} with transparency and {@link BitmapTextureFormat#RGB_565} for a {@link BitmapTextureAtlas} without transparency.
*/
public BitmapTextureAtlas(final TextureManager pTextureManager, final int pWidth, final int pHeight, final BitmapTextureFormat pBitmapTextureFormat) {
this(pTextureManager, pWidth, pHeight, pBitmapTextureFormat, TextureOptions.DEFAULT, null);
}
/**
* Uses {@link BitmapTextureFormat#RGBA_8888}.
*
* @param pTextureStateListener to be informed when this {@link BitmapTextureAtlas} is loaded, unloaded or a {@link ITextureAtlasSource} failed to load.
*/
public BitmapTextureAtlas(final TextureManager pTextureManager, final int pWidth, final int pHeight, final ITextureAtlasStateListener<IBitmapTextureAtlasSource> pTextureAtlasStateListener) {
this(pTextureManager, pWidth, pHeight, BitmapTextureFormat.RGBA_8888, TextureOptions.DEFAULT, pTextureAtlasStateListener);
}
/**
* @param pBitmapTextureFormat use {@link BitmapTextureFormat#RGBA_8888} or {@link BitmapTextureFormat#RGBA_4444} for a {@link BitmapTextureAtlas} with transparency and {@link BitmapTextureFormat#RGB_565} for a {@link BitmapTextureAtlas} without transparency.
* @param pTextureAtlasStateListener to be informed when this {@link BitmapTextureAtlas} is loaded, unloaded or a {@link ITextureAtlasSource} failed to load.
*/
public BitmapTextureAtlas(final TextureManager pTextureManager, final int pWidth, final int pHeight, final BitmapTextureFormat pBitmapTextureFormat, final ITextureAtlasStateListener<IBitmapTextureAtlasSource> pTextureAtlasStateListener) {
this(pTextureManager, pWidth, pHeight, pBitmapTextureFormat, TextureOptions.DEFAULT, pTextureAtlasStateListener);
}
/**
* Uses {@link BitmapTextureFormat#RGBA_8888}.
*
* @param pTextureOptions the (quality) settings of this {@link BitmapTextureAtlas}.
*/
public BitmapTextureAtlas(final TextureManager pTextureManager, final int pWidth, final int pHeight, final TextureOptions pTextureOptions) throws IllegalArgumentException {
this(pTextureManager, pWidth, pHeight, BitmapTextureFormat.RGBA_8888, pTextureOptions, null);
}
/**
* @param pBitmapTextureFormat use {@link BitmapTextureFormat#RGBA_8888} or {@link BitmapTextureFormat#RGBA_4444} for a {@link BitmapTextureAtlas} with transparency and {@link BitmapTextureFormat#RGB_565} for a {@link BitmapTextureAtlas} without transparency.
* @param pTextureOptions the (quality) settings of this {@link BitmapTextureAtlas}.
*/
public BitmapTextureAtlas(final TextureManager pTextureManager, final int pWidth, final int pHeight, final BitmapTextureFormat pBitmapTextureFormat, final TextureOptions pTextureOptions) throws IllegalArgumentException {
this(pTextureManager, pWidth, pHeight, pBitmapTextureFormat, pTextureOptions, null);
}
/**
* Uses {@link BitmapTextureFormat#RGBA_8888}.
*
* @param pTextureOptions the (quality) settings of this {@link BitmapTextureAtlas}.
* @param pTextureAtlasStateListener to be informed when this {@link BitmapTextureAtlas} is loaded, unloaded or a {@link ITextureAtlasSource} failed to load.
*/
public BitmapTextureAtlas(final TextureManager pTextureManager, final int pWidth, final int pHeight, final TextureOptions pTextureOptions, final ITextureAtlasStateListener<IBitmapTextureAtlasSource> pTextureAtlasStateListener) throws IllegalArgumentException {
this(pTextureManager, pWidth, pHeight, BitmapTextureFormat.RGBA_8888, pTextureOptions, pTextureAtlasStateListener);
}
/**
* @param pBitmapTextureFormat use {@link BitmapTextureFormat#RGBA_8888} or {@link BitmapTextureFormat#RGBA_4444} for a {@link BitmapTextureAtlas} with transparency and {@link BitmapTextureFormat#RGB_565} for a {@link BitmapTextureAtlas} without transparency.
* @param pTextureOptions the (quality) settings of this {@link BitmapTextureAtlas}.
* @param pTextureAtlasStateListener to be informed when this {@link BitmapTextureAtlas} is loaded, unloaded or a {@link ITextureAtlasSource} failed to load.
*/
public BitmapTextureAtlas(final TextureManager pTextureManager, final int pWidth, final int pHeight, final BitmapTextureFormat pBitmapTextureFormat, final TextureOptions pTextureOptions, final ITextureAtlasStateListener<IBitmapTextureAtlasSource> pTextureAtlasStateListener) throws IllegalArgumentException {
super(pTextureManager, pWidth, pHeight, pBitmapTextureFormat.getPixelFormat(), pTextureOptions, pTextureAtlasStateListener);
this.mBitmapTextureFormat = pBitmapTextureFormat;
}
// ===========================================================
// Getter & Setter
// ===========================================================
public BitmapTextureFormat getBitmapTextureFormat() {
return this.mBitmapTextureFormat;
}
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
public void addEmptyTextureAtlasSource(final int pTextureX, final int pTextureY, final int pWidth, final int pHeight) {
this.addTextureAtlasSource(new EmptyBitmapTextureAtlasSource(pWidth, pHeight), pTextureX, pTextureY);
}
// ===========================================================
// Methods
// ===========================================================
@Override
protected void writeTextureToHardware(final GLState pGLState) {
final PixelFormat pixelFormat = this.mBitmapTextureFormat.getPixelFormat();
final int glInternalFormat = pixelFormat.getGLInternalFormat();
final int glFormat = pixelFormat.getGLFormat();
final int glType = pixelFormat.getGLType();
GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, glInternalFormat, this.mWidth, this.mHeight, 0, glFormat, glType, null);
final boolean preMultipyAlpha = this.mTextureOptions.mPreMultiplyAlpha;
/* Non alpha premultiplied bitmaps are loaded with ARGB_8888 and converted down manually. */
final Config bitmapConfig = (preMultipyAlpha) ? this.mBitmapTextureFormat.getBitmapConfig() : Config.ARGB_8888;
final ArrayList<IBitmapTextureAtlasSource> textureSources = this.mTextureAtlasSources;
final int textureSourceCount = textureSources.size();
final ITextureAtlasStateListener<IBitmapTextureAtlasSource> textureStateListener = this.getTextureAtlasStateListener();
for(int i = 0; i < textureSourceCount; i++) {
final IBitmapTextureAtlasSource bitmapTextureAtlasSource = textureSources.get(i);
try {
final Bitmap bitmap = bitmapTextureAtlasSource.onLoadBitmap(bitmapConfig);
if(bitmap == null) {
throw new NullBitmapException("Caused by: " + bitmapTextureAtlasSource.getClass().toString() + " --> " + bitmapTextureAtlasSource.toString() + " returned a null Bitmap.");
}
final boolean useDefaultAlignment = MathUtils.isPowerOfTwo(bitmap.getWidth()) && MathUtils.isPowerOfTwo(bitmap.getHeight()) && pixelFormat == PixelFormat.RGBA_8888;
if(!useDefaultAlignment) {
/* Adjust unpack alignment. */
GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, 1);
}
if(preMultipyAlpha) {
GLUtils.texSubImage2D(GLES20.GL_TEXTURE_2D, 0, bitmapTextureAtlasSource.getTextureX(), bitmapTextureAtlasSource.getTextureY(), bitmap, glFormat, glType);
} else {
pGLState.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, bitmapTextureAtlasSource.getTextureX(), bitmapTextureAtlasSource.getTextureY(), bitmap, this.mPixelFormat);
}
if(!useDefaultAlignment) {
/* Restore default unpack alignment. */
GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, GLState.GL_UNPACK_ALIGNMENT_DEFAULT);
}
bitmap.recycle();
if(textureStateListener != null) {
textureStateListener.onTextureAtlasSourceLoaded(this, bitmapTextureAtlasSource);
}
} catch (final NullBitmapException e) {
if(textureStateListener != null) {
textureStateListener.onTextureAtlasSourceLoadExeption(this, bitmapTextureAtlasSource, e);
} else {
throw e;
}
}
}
}
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
}