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package com.android.camera.ui;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.NinePatchDrawable;
import javax.microedition.khronos.opengles.GL11;
public class NinePatchTexture extends FrameTexture {
private MyTexture mDelegate;
private NinePatchDrawable mNinePatch;
private final Context mContext;
private final int mResId;
private int mLastWidth = -1;
private int mLastHeight = -1;
private final Rect mPaddings = new Rect();
public NinePatchTexture(Context context, int resId) {
this.mContext = context;
this.mResId = resId;
}
@Override
public void setSize(int width, int height) {
super.setSize(width, height);
}
@Override
public boolean bind(GLRootView root, GL11 gl) {
if (mLastWidth != mWidth || mLastHeight != mHeight) {
if (mDelegate != null) mDelegate.deleteFromGL(gl);
mDelegate = new MyTexture(mWidth, mHeight);
mLastWidth = mWidth;
mLastHeight = mHeight;
}
return mDelegate.bind(root, gl);
}
protected NinePatchDrawable getNinePatch() {
if (mNinePatch == null) {
mNinePatch = (NinePatchDrawable)
mContext.getResources().getDrawable(mResId);
mNinePatch.getPadding(mPaddings);
}
return mNinePatch;
}
private class MyTexture extends CanvasTexture {
public MyTexture(int width, int height) {
super(width, height);
}
@Override
protected void onDraw (Canvas canvas, Bitmap backing) {
NinePatchDrawable npd = getNinePatch();
npd.setBounds(0, 0, mWidth, mHeight);
npd.draw(canvas);
}
}
@Override
protected void freeBitmap(Bitmap bitmap) {
mDelegate.freeBitmap(bitmap);
}
@Override
protected Bitmap getBitmap() {
return mDelegate.getBitmap();
}
public int getIntrinsicWidth() {
return getNinePatch().getIntrinsicWidth();
}
public int getIntrinsicHeight() {
return getNinePatch().getIntrinsicHeight();
}
@Override
public Rect getPaddings() {
// get the paddings from nine patch
if (mNinePatch == null) getNinePatch();
return mPaddings;
}
}
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