bitmessage/Abit
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Improved identicon

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This commit is contained in:
Christian Basler 2016-10-16 22:15:41 +02:00
parent dc3bfce9a2
commit a5b3c33394
1 changed files with 29 additions and 5 deletions
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34
app/src/main/java/ch/dissem/apps/abit/Identicon.java
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@ -19,6 +19,7 @@ package ch.dissem.apps.abit;
import android.graphics.*;
import android.graphics.drawable.Drawable;
import android.support.annotation.NonNull;
import android.text.TextPaint;
import ch.dissem.bitmessage.entity.BitmessageAddress;
@ -33,11 +34,19 @@ public class Identicon extends Drawable {
private int color;
private int background;
private boolean[][] fields;
private boolean chan;
private final TextPaint textPaint;
public Identicon(BitmessageAddress input) {
paint = new Paint();
paint.setStyle(Paint.Style.FILL);
paint.setAntiAlias(true);
textPaint = new TextPaint();
textPaint.setTextAlign(Paint.Align.CENTER);
textPaint.setColor(0xFF607D8B);
textPaint.setTypeface(Typeface.create(Typeface.SANS_SERIF, Typeface.BOLD));
chan = input.isChan();
byte[] hash = input.getRipe();
@ -54,9 +63,18 @@ public class Identicon extends Drawable {
});
for (int row = 0; row < SIZE; row++) {
for (int column = 0; column < SIZE; column++) {
fields[row][column] = hash[(row * (column < CENTER_COLUMN ? column : SIZE -
column - 1)) % hash.length] >= 0;
if (!chan || row < 5 || row > 6) {
for (int column = 0; column <= CENTER_COLUMN; column++) {
if (
(row - SIZE / 2) * (row - SIZE / 2)
+ (column - SIZE / 2) * (column - SIZE / 2)
< SIZE / 2 * SIZE / 2
) {
fields[row][column] = hash[(row * CENTER_COLUMN + column) % hash.length]
>= 0;
fields[row][SIZE - column - 1] = fields[row][column];
}
}
}
}
}
@ -76,11 +94,17 @@ public class Identicon extends Drawable {
if (fields[row][column]) {
x = cellWidth * column;
y = cellHeight * row;
canvas.drawCircle(x + cellWidth / 2, y + cellHeight / 2, cellHeight / 2, paint);
canvas.drawCircle(
x + cellWidth / 2, y + cellHeight / 2, cellHeight / 2,
paint
);
}
}
}
if (chan) {
textPaint.setTextSize(2 * cellHeight);
canvas.drawText("[chan]", width / 2, 6.7f * cellHeight, textPaint);
}
}
@Override