/** @Method: packData @Description: ���Ҫ���͵���� */
private void packData() {
currentBitmap = BitmapList[firstView];
ByteArrayOutputStream stream1 = new ByteArrayOutputStream(); // stream1
currentBitmap.compress(
Bitmap.CompressFormat.PNG, 1, stream1); // compress to which format you want
byte[] byte_arr = stream1.toByteArray(); // stream1 to byte
try {
stream1.close();
stream1 = null;
} catch (IOException e1) {
e1.printStackTrace();
}
String image_str = Base64.encodeBytes(byte_arr); // byte to string
Bitmap smallcurrentBitmap;
float wRatio = (float) (currentBitmap.getWidth() / 100.0);
float hRatio = (float) (currentBitmap.getHeight() / 100.0);
if (wRatio > 1 && hRatio > 1) // ����ָ����С������С��Ӧ�ı���
{
float scaleTemp;
if (wRatio > hRatio) scaleTemp = hRatio;
else scaleTemp = wRatio;
wRatio = currentBitmap.getWidth() / scaleTemp;
hRatio = currentBitmap.getHeight() / scaleTemp;
int h = (int) wRatio;
int w = (int) hRatio;
smallcurrentBitmap = Bitmap.createScaledBitmap(currentBitmap, h, w, false);
} else smallcurrentBitmap = currentBitmap;
ByteArrayOutputStream stream2 = new ByteArrayOutputStream(); // stream2
smallcurrentBitmap.compress(
Bitmap.CompressFormat.PNG, 50, stream2); // compress to which format you want
smallcurrentBitmap.recycle();
byte_arr = stream2.toByteArray(); // stream2 to byte
try {
stream2.close();
stream2 = null;
} catch (IOException e) {
e.printStackTrace();
}
String smallimage_str = Base64.encodeBytes(byte_arr); // byte to string
nameValuePairs.add(new BasicNameValuePair("protocol", "upload")); // ��װ��ֵ��
nameValuePairs.add(new BasicNameValuePair("id", LoginActivity.mineID));
nameValuePairs.add(new BasicNameValuePair("albumName", choosedAlbum));
nameValuePairs.add(
new BasicNameValuePair(
"imageName", PhotoAlbumActivity.AlbumsFloderName.get(AlbumName).get(currentNum)));
Log.d("debug", PhotoAlbumActivity.AlbumsFloderName.get(AlbumName).get(currentNum));
nameValuePairs.add(new BasicNameValuePair("image", image_str));
nameValuePairs.add(new BasicNameValuePair("smallImage", smallimage_str));
System.gc();
}
public byte[] getTileImageData(int x, int y, int zoom) {
mStream.reset();
Matrix matrix = new Matrix(mBaseMatrix);
float scale = (float) (Math.pow(2, zoom) * mScale);
matrix.postScale(scale, scale);
matrix.postTranslate(-x * mDimension, -y * mDimension);
mBitmap.eraseColor(Color.TRANSPARENT);
Canvas c = new Canvas(mBitmap);
c.setMatrix(matrix);
// NOTE: Picture is not thread-safe.
synchronized (mSvgPicture) {
mSvgPicture.draw(c);
}
BufferedOutputStream stream = new BufferedOutputStream(mStream);
mBitmap.compress(Bitmap.CompressFormat.PNG, 0, stream);
try {
stream.close();
} catch (IOException e) {
Log.e(TAG, "Error while closing tile byte stream.");
e.printStackTrace();
}
return mStream.toByteArray();
}
public byte[] compressBitmapToBytes(String filePath, int reqWidth, int reqHeight, int quality) {
Bitmap bitmap = getSmallBitmap(filePath, reqWidth, reqHeight);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, quality, baos);
byte[] bytes = baos.toByteArray();
bitmap.recycle();
Log.i(TAG, "Bitmap compressed success, size: " + bytes.length);
return bytes;
}
public static void saveBitmapToFile(Bitmap bmp, String fileName, CompressFormat format) {
try {
File f = new File(fileName);
f.createNewFile();
FileOutputStream fOut = null;
fOut = new FileOutputStream(f);
bmp.compress(format, 100, fOut);
fOut.flush();
fOut.close();
} catch (Exception e) {
}
}
public static boolean saveBitmap(Bitmap bitmap, File file) {
if (bitmap == null) return false;
FileOutputStream fos = null;
try {
fos = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
fos.flush();
return true;
} catch (Exception e) {
e.printStackTrace();
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return false;
}
/** convert Bitmap to byte array */
public static byte[] bitmapToByte(Bitmap b) {
ByteArrayOutputStream o = new ByteArrayOutputStream();
b.compress(Bitmap.CompressFormat.PNG, 100, o);
return o.toByteArray();
}
public Uri saveImageUri(Context context, Bitmap bitmap) {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, bytes);
String path = MediaStore.Images.Media.insertImage(context.getContentResolver(), bitmap, "ImageTitle", null);
return Uri.parse(path);
}