import android.app.Activity;
import android.content.res.Resources;
-import android.support.annotation.ColorInt;
-import android.support.annotation.ColorLong;
import android.util.Log;
import android.util.TypedValue;
import net.ktnx.mobileledger.model.Data;
import net.ktnx.mobileledger.model.MobileLedgerProfile;
+import androidx.annotation.ColorInt;
+import androidx.annotation.ColorLong;
+
+import static java.lang.Math.abs;
+
public class Colors {
public static final int DEFAULT_HUE_DEG = 261;
public static @ColorInt
tableRowLightBG = tv.data;
theme.resolveAttribute(R.attr.colorPrimary, tv, true);
primary = tv.data;
+ theme.resolveAttribute(R.attr.textColor, tv, true);
+ defaultTextColor = tv.data;
+ theme.resolveAttribute(R.attr.colorAccent, tv, true);
+ accent = tv.data;
// trigger theme observers
themeWatch.notifyObservers();
return 0xff000000 | hsvTriplet(hue, saturation, value);
}
public static @ColorInt
+ int hslColor(float hue, float saturation, float lightness) {
+ return 0xff000000 | hslTriplet(hue, saturation, lightness);
+ }
+ public static @ColorInt
int hsvTriplet(float hue, float saturation, float value) {
@ColorLong long result;
int r, g, b;
- if ((hue < 0) || (hue > 1) || (saturation < 0) || (saturation > 1) || (value < 0) ||
- (value > 1)) throw new IllegalArgumentException(
- "hue, saturation, value and alpha must all be between 0 and 1");
+ if ((hue < -0.00005) || (hue > 1.0000005) || (saturation < 0) || (saturation > 1) ||
+ (value < 0) || (value > 1)) throw new IllegalArgumentException(String.format(
+ "hue, saturation, value and alpha must all be between 0 and 1. Arguments given: " +
+ "hue=%1.5f, sat=%1.5f, val=%1.5f", hue, saturation, value));
int h = (int) (hue * 6);
float f = hue * 6 - h;
"rgb", h, hue, saturation, value));
}
}
+ public static @ColorInt
+ int hslTriplet(float hue, float saturation, float lightness) {
+ @ColorLong long result;
+ float h = hue * 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));
+ int r, g, b;
+ float m = lightness - c / 2f;
+
+ if (h < 1 || h == 6) return tupleToColor(c + m, x + m, 0 + m);
+ if (h < 2) return tupleToColor(x + m, c + m, 0 + m);
+ if (h < 3) return tupleToColor(0 + m, c + m, x + m);
+ if (h < 4) return tupleToColor(0 + m, x + m, c + m);
+ if (h < 5) return tupleToColor(x + m, 0 + m, c + m);
+ if (h < 6) return tupleToColor(c + m, 0 + m, x + m);
+
+ throw new IllegalArgumentException(String.format(
+ "Unexpected value for h (%d) while converting hsl(%1.2f, %1.2f, %1.2f) to rgb", h,
+ hue, saturation, lightness));
+ }
public static @ColorInt
int tupleToColor(float r, float g, float b) {
}
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 = 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));
return result;
}