import android.app.Activity;
import android.content.res.Resources;
-import android.util.Log;
import android.util.TypedValue;
import net.ktnx.mobileledger.R;
import net.ktnx.mobileledger.model.Data;
import net.ktnx.mobileledger.model.MobileLedgerProfile;
+import java.util.Locale;
+
import androidx.annotation.ColorInt;
import androidx.annotation.ColorLong;
+import androidx.lifecycle.MutableLiveData;
import static java.lang.Math.abs;
+import static net.ktnx.mobileledger.utils.Logger.debug;
public class Colors {
public static final int DEFAULT_HUE_DEG = 261;
+ private static final float blueLightness = 0.665f;
+ private static final float yellowLightness = 0.350f;
public static @ColorInt
int accent;
@ColorInt
@ColorInt
public static int primary, defaultTextColor;
public static int profileThemeId = -1;
-
- public static ObservableValue<Integer> themeWatch = new ObservableValue<>(0);
+ public static MutableLiveData<Integer> themeWatch = new MutableLiveData<>(0);
public static void refreshColors(Resources.Theme theme) {
TypedValue tv = new TypedValue();
theme.resolveAttribute(R.attr.table_row_dark_bg, tv, true);
accent = tv.data;
// trigger theme observers
- themeWatch.notifyObservers();
+ themeWatch.postValue(themeWatch.getValue() + 1);
}
public static @ColorLong
long hsvaColor(float hue, float saturation, float value, float alpha) {
return 0xff000000 | hsvTriplet(hue, saturation, value);
}
public static @ColorInt
- int hslColor(float hue, float saturation, float lightness) {
- return 0xff000000 | hslTriplet(hue, saturation, lightness);
+ int hslColor(float hueRatio, float saturation, float lightness) {
+ return 0xff000000 | hslTriplet(hueRatio, saturation, lightness);
}
public static @ColorInt
int hsvTriplet(float hue, float saturation, float value) {
}
}
public static @ColorInt
- int hslTriplet(float hue, float saturation, float lightness) {
+ int hslTriplet(float hueRatio, float saturation, float lightness) {
@ColorLong long result;
- float h = hue * 6;
+ float h = hueRatio * 6;
float c = (1 - abs(2f * lightness - 1)) * saturation;
float h_mod_2 = h % 2;
float x = c * (1 - Math.abs(h_mod_2 - 1));
throw new IllegalArgumentException(String.format(
"Unexpected value for h (%1.3f) while converting hsl(%1.3f, %1.3f, %1.3f) to rgb",
- h, hue, saturation, lightness));
+ h, hueRatio, saturation, lightness));
}
public static @ColorInt
return (r_int << 16) | (g_int << 8) | b_int;
}
public static @ColorInt
- int getPrimaryColorForHue(int degrees) {
- // 0/360f becomes -0.000something for some reason
- if (degrees == 0) return getPrimaryColorForHue(0f);
- return getPrimaryColorForHue(degrees / 360f);
- }
- public static @ColorInt
- int getPrimaryColorForHue(float hue) {
-// int result = hsvColor(hue, 0.61f, 0.95f);
- int result = hslColor(hue, 0.60f, 0.60f);
- Log.d("colors", String.format("getPrimaryColorForHue(%1.2f) = %x", hue, result));
+ int getPrimaryColorForHue(int hueDegrees) {
+// int result = hsvColor(hueDegrees, 0.61f, 0.95f);
+ float y = hueDegrees - 60;
+ if (y < 0) y += 360;
+ float l = yellowLightness + (blueLightness - yellowLightness) *
+ (float) Math.cos(Math.toRadians(Math.abs(180 - y) / 2f));
+ int result = hslColor(hueDegrees / 360f, 0.845f, l);
+ debug("colors", String.format(Locale.ENGLISH, "getPrimaryColorForHue(%d) = %x", hueDegrees,
+ result));
return result;
}
public static void setupTheme(Activity activity) {
- MobileLedgerProfile profile = Data.profile.get();
+ MobileLedgerProfile profile = Data.profile.getValue();
setupTheme(activity, profile);
}
public static void setupTheme(Activity activity, MobileLedgerProfile profile) {
break;
default:
activity.setTheme(R.style.AppTheme_NoActionBar);
- Log.d("profiles",
- String.format("Theme hue %d not supported, using the default", themeId));
+ debug("profiles", String.format(Locale.ENGLISH,
+ "Theme hue %d not supported, using the default", themeId));
}
refreshColors(activity.getTheme());