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Lighten or darken identicon

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M66B
2018-11-03 17:12:37 +00:00
parent e6970faf6e
commit ae47e0fe6e
2 changed files with 13 additions and 4 deletions
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11
app/src/main/java/eu/faircode/email/Identicon.java
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@@ -9,8 +9,10 @@ import android.graphics.RectF;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import androidx.core.graphics.ColorUtils;
class Identicon {
static Bitmap generate(String email, int size, int pixels) {
static Bitmap generate(String email, int size, int pixels, boolean dark) {
byte[] hash;
try {
hash = MessageDigest.getInstance("MD5").digest(email.getBytes());
@@ -18,12 +20,15 @@ class Identicon {
hash = email.getBytes();
}
int color = Color.argb(255, hash[0], hash[1], hash[2]);
color = ColorUtils.blendARGB(color, dark ? Color.BLACK : Color.WHITE, 0.2f);
Paint paint = new Paint();
paint.setColor(Color.argb(255, hash[0], hash[1], hash[2]));
paint.setColor(color);
Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
canvas.drawColor(Color.argb(255, 128, 128, 128));
canvas.drawColor(Color.TRANSPARENT);
float psize = (float) size / pixels;