-package be.nikiroo.utils.android;
-
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-
-import javax.imageio.ImageIO;
-
-import be.nikiroo.utils.Image;
-import be.nikiroo.utils.ImageUtils;
-import be.nikiroo.utils.StringUtils;
-
-/**
- * This class offer some utilities based around images and uses the Android
- * framework.
- *
- * @author niki
- */
-public class ImageUtilsAndroid extends ImageUtils {
- @Override
- protected boolean check() {
- // If we can get the class, it means we have access to it
- @SuppressWarnings("unused")
- Object test = Bitmap.class;
- return true;
- }
-
- @Override
- public void saveAsImage(Image img, File target, String format)
- throws IOException {
- FileOutputStream fos = new FileOutputStream(target);
- try {
- Bitmap image = fromImage(img);
-
- boolean ok = false;
- try {
- ok = image.compress(
- Bitmap.CompressFormat.valueOf(format.toUpperCase()),
- 90, fos);
- } catch (Exception e) {
- ok = false;
- }
-
- // Some formats are not reliable
- // Second change: PNG
- if (!ok && !format.equals("png")) {
- ok = image.compress(Bitmap.CompressFormat.PNG, 90, fos);
- }
-
- if (!ok) {
- throw new IOException(
- "Cannot find a writer for this image and format: "
- + format);
- }
- } catch (IOException e) {
- throw new IOException("Cannot write image to " + target, e);
- } finally {
- fos.close();
- }
- }
-
- /**
- * Convert the given {@link Image} into a {@link Bitmap} object.
- *
- * @param img
- * the {@link Image}
- * @return the {@link Image} object
- * @throws IOException
- * in case of IO error
- */
- static public Bitmap fromImage(Image img) throws IOException {
- byte[] array = img.getData();
- int size = array.length;
- // TODO: check if we can use a stream, too
- Bitmap image = BitmapFactory.decodeByteArray(array, 0, size);
- if (image == null) {
- String ssize = StringUtils.formatNumber(size);
- throw new IOException(
- "Failed to convert input to image, size was: " + ssize);
- }
-
- return image;
- }
-}