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Added settings for generated icons saturation and brightness

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This commit is contained in:
M66B
2019-10-13 11:14:06 +02:00
parent 89041dc5ef
commit ec75c1f8cb
6 changed files with 232 additions and 62 deletions
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83
app/src/main/java/eu/faircode/email/ImageHelper.java
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@@ -28,6 +28,8 @@ import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ImageDecoder;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Typeface;
@@ -64,10 +66,17 @@ class ImageHelper {
private static final ExecutorService executor =
Helper.getBackgroundExecutor(1, "image");
static Bitmap generateIdenticon(@NonNull String email, int size, int pixels, boolean dark) {
static Bitmap generateIdenticon(@NonNull String email, int size, int pixels, Context context) {
byte[] hash = getHash(email);
int color = Color.HSVToColor(127, new float[]{Math.abs(email.hashCode()) % 360, 1, 1});
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
int saturation = prefs.getInt("saturation", 100);
int brightness = prefs.getInt("brightness", 100);
int color = Color.HSVToColor(new float[]{
Math.abs(email.hashCode()) % 360,
saturation / 100f,
brightness / 100f});
Paint paint = new Paint();
paint.setColor(color);
@@ -91,34 +100,43 @@ class ImageHelper {
return bitmap;
}
static Bitmap generateLetterIcon(@NonNull String email, int size, boolean dark) {
String text = null;
static Bitmap generateLetterIcon(@NonNull String email, int size, Context context) {
String letter = null;
for (int i = 0; i < email.length(); i++) {
char kar = email.charAt(i);
if (Character.isAlphabetic(kar)) {
text = email.substring(i, i + 1).toUpperCase();
letter = email.substring(i, i + 1).toUpperCase();
break;
}
}
if (text == null)
if (letter == null)
return null;
int color = Color.HSVToColor(127, new float[]{Math.abs(email.hashCode()) % 360, 1, 1});
float h = Math.abs(email.hashCode()) % 360f;
return generateLetterIcon(h, letter, size, context);
}
static Bitmap generateLetterIcon(float h, String letter, int size, Context context) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
float s = prefs.getInt("saturation", 100) / 100f;
float v = prefs.getInt("brightness", 100) / 100f;
int bg = Color.HSVToColor(new float[]{h, s, v});
double lum = ColorUtils.calculateLuminance(bg);
int fg = Color.HSVToColor(new float[]{0, 0, lum < 0.5 ? v : 0});
Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
canvas.drawColor(color);
double lum = ColorUtils.calculateLuminance(color);
canvas.drawColor(bg);
Paint paint = new Paint();
paint.setColor(lum < 0.5 ? Color.WHITE : Color.BLACK);
paint.setColor(fg);
paint.setTextSize(size / 2f);
paint.setTypeface(Typeface.DEFAULT_BOLD);
canvas.drawText(
text,
size / 2f - paint.measureText(text) / 2,
canvas.drawText(letter,
size / 2f - paint.measureText(letter) / 2,
size / 2f - (paint.descent() + paint.ascent()) / 2, paint);
return bitmap;
@@ -132,6 +150,43 @@ class ImageHelper {
}
}
static Bitmap makeCircular(Bitmap bitmap, Integer radius) {
if (bitmap == null)
return null;
int w = bitmap.getWidth();
int h = bitmap.getHeight();
Rect source;
if (w > h) {
int off = (w - h) / 2;
source = new Rect(off, 0, w - off, h);
} else if (w < h) {
int off = (h - w) / 2;
source = new Rect(0, off, w, h - off);
} else
source = new Rect(0, 0, w, h);
Rect dest = new Rect(0, 0, source.width(), source.height());
Bitmap round = Bitmap.createBitmap(source.width(), source.height(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(round);
Paint paint = new Paint();
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(Color.GRAY);
if (radius == null)
canvas.drawOval(new RectF(dest), paint); // round
else
canvas.drawRoundRect(new RectF(dest), radius, radius, paint); // rounded
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, source, dest, paint);
bitmap.recycle();
return round;
}
static Drawable decodeImage(final Context context, final long id, String source, boolean show, final TextView view) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean compact = prefs.getBoolean("compact", false);