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@ -31,13 +31,8 @@ import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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class Identicon {
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static Bitmap generate(String email, int size, int pixels, boolean dark) {
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byte[] hash;
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try {
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hash = MessageDigest.getInstance("MD5").digest(email.getBytes());
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} catch (NoSuchAlgorithmException ignored) {
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hash = email.getBytes();
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}
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static Bitmap icon(String email, int size, int pixels, boolean dark) {
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byte[] hash = getHash(email);
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int color = Color.argb(255, hash[0], hash[1], hash[2]);
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color = ColorUtils.blendARGB(color, dark ? Color.WHITE : Color.BLACK, 0.2f);
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@ -63,4 +58,40 @@ class Identicon {
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return bitmap;
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}
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static Bitmap letter(String email, int size, boolean dark) {
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byte[] hash = getHash(email);
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int color = Color.argb(255, hash[0], hash[1], hash[2]);
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color = ColorUtils.blendARGB(color, dark ? Color.WHITE : Color.BLACK, 0.2f);
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Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(bitmap);
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canvas.drawColor(color);
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Paint paint = new Paint();
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paint.setColor(Color.argb(
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Color.alpha(color),
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(~Color.red(color)) & 0xff,
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(~Color.green(color)) & 0xff,
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(~Color.blue(color)) & 0xff));
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paint.setTextSize(size / 2f);
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paint.setFakeBoldText(true);
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String text = email.substring(0, 1).toUpperCase();
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canvas.drawText(
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text,
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size / 2f - paint.measureText(text) / 2,
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size / 2f - ((paint.descent() + paint.ascent()) / 2), paint);
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return bitmap;
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}
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private static byte[] getHash(String email) {
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try {
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return MessageDigest.getInstance("MD5").digest(email.getBytes());
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} catch (NoSuchAlgorithmException ignored) {
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return email.getBytes();
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}
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}
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}
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