Android Open Source - android-augment-reality-framework Paintable Icon

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.jwetherell.augmented_reality.ui.objects;
//www .  j a  va  2  s  .  co  m
import android.graphics.Bitmap;
import android.graphics.Canvas;

/**
 * This class extends PaintableObject to draw an icon.
 * 
 * @author Justin Wetherell <phishman3579@gmail.com>
 */
public class PaintableIcon extends PaintableObject {

    private Bitmap bitmap = null;

    public PaintableIcon(Bitmap bitmap, int width, int height) {
        set(bitmap, width, height);
    }

    /**
     * Set the bitmap. This should be used instead of creating new objects.
     * 
     * @param bitmap
     *            Bitmap that should be rendered.
     * @throws NullPointerException
     *             if Bitmap is NULL.
     */
    public void set(Bitmap bitmap, int width, int height) {
        if (bitmap == null) throw new NullPointerException();

        this.bitmap = Bitmap.createScaledBitmap(bitmap, width, height, true);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void paint(Canvas canvas) {
        if (canvas == null || bitmap == null) throw new NullPointerException();

        canvas.save();
        canvas.translate(-getWidth()/2, -getHeight()/2);

        paintBitmap(canvas, bitmap, x, y);

        canvas.restore();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public float getWidth() {
        return bitmap.getWidth();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public float getHeight() {
        return bitmap.getHeight();
    }
}

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