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disabled by default variant of XEP-0392

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This commit is contained in:
Daniel Gultsch 2018-08-19 22:33:20 +02:00
parent 9f191f64da
commit 268fcd3838
4 changed files with 37 additions and 0 deletions
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1
build.gradle
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@ -51,6 +51,7 @@ dependencies {
implementation 'net.ypresto.androidtranscoder:android-transcoder:0.2.0'
implementation 'rocks.xmpp:xmpp-addr:0.8.0'
implementation 'org.osmdroid:osmdroid-android:6.0.1'
implementation 'org.hsluv:hsluv:0.2'
}
ext {

2
src/main/java/eu/siacs/conversations/Config.java
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@ -68,6 +68,8 @@ public final class Config {
public static final int CONNECT_DISCO_TIMEOUT = 20;
public static final int MINI_GRACE_PERIOD = 750;
public static final boolean XEP_0392 = false; //enables a variant of XEP-0392 that is based on HSLUV
public static final int AVATAR_SIZE = 192;
public static final Bitmap.CompressFormat AVATAR_FORMAT = Bitmap.CompressFormat.JPEG;
public static final int AVATAR_CHAR_LIMIT = 9400;

3
src/main/java/eu/siacs/conversations/utils/UIHelper.java
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@ -230,6 +230,9 @@ public class UIHelper {
}
public static int getColorForName(String name, boolean safe) {
if (Config.XEP_0392) {
return XEP0392Helper.rgbFromNick(name);
}
if (name == null || name.isEmpty()) {
return 0xFF202020;
}

31
src/main/java/eu/siacs/conversations/utils/XEP0392Helper.java Normal file
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@ -0,0 +1,31 @@
package eu.siacs.conversations.utils;
import android.graphics.Color;
import android.util.Log;
import org.hsluv.HUSLColorConverter;
import java.security.MessageDigest;
public class XEP0392Helper {
private static double angle(String nickname) {
try {
MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
byte[] digest = sha1.digest(nickname.getBytes("UTF-8"));
int angle = ((int) (digest[0]) & 0xff) + ((int) (digest[1]) & 0xff) * 256;
return angle / 65536.;
} catch (Exception e) {
return 0.0;
}
}
public static int rgbFromNick(String name) {
double[] hsluv = new double[3];
hsluv[0] = angle(name) * 360;
hsluv[1] = 100;
hsluv[2] = 50;
double[] rgb = HUSLColorConverter.hsluvToRgb(hsluv);
return Color.rgb((int) Math.round(rgb[0] * 255), (int) Math.round(rgb[1] * 255), (int) Math.round(rgb[2] * 255));
}
}