+/*
+ * Copyright © 2019 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * MoLe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
+ */
+
package net.ktnx.mobileledger.utils;
import android.app.Activity;
+import android.content.res.ColorStateList;
import android.content.res.Resources;
-import android.util.Log;
import android.util.TypedValue;
+import androidx.annotation.ColorInt;
+import androidx.annotation.ColorLong;
+import androidx.annotation.NonNull;
+import androidx.lifecycle.MutableLiveData;
+
import net.ktnx.mobileledger.R;
import net.ktnx.mobileledger.model.Data;
import net.ktnx.mobileledger.model.MobileLedgerProfile;
+import net.ktnx.mobileledger.ui.HueRing;
-import androidx.annotation.ColorInt;
-import androidx.annotation.ColorLong;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Locale;
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;
+ public static final int THEME_HUE_STEP_DEG = 5;
+ private static final float blueLightness = 0.665f;
+ private static final float yellowLightness = 0.350f;
+ private static final int[][] EMPTY_STATES = new int[][]{new int[0]};
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);
+ private static int[] themeIDs =
+ {R.style.AppTheme_NoActionBar_000, R.style.AppTheme_NoActionBar_005,
+ R.style.AppTheme_NoActionBar_010, R.style.AppTheme_NoActionBar_015,
+ R.style.AppTheme_NoActionBar_020, R.style.AppTheme_NoActionBar_025,
+ R.style.AppTheme_NoActionBar_030, R.style.AppTheme_NoActionBar_035,
+ R.style.AppTheme_NoActionBar_040, R.style.AppTheme_NoActionBar_045,
+ R.style.AppTheme_NoActionBar_050, R.style.AppTheme_NoActionBar_055,
+ R.style.AppTheme_NoActionBar_060, R.style.AppTheme_NoActionBar_065,
+ R.style.AppTheme_NoActionBar_070, R.style.AppTheme_NoActionBar_075,
+ R.style.AppTheme_NoActionBar_080, R.style.AppTheme_NoActionBar_085,
+ R.style.AppTheme_NoActionBar_090, R.style.AppTheme_NoActionBar_095,
+ R.style.AppTheme_NoActionBar_100, R.style.AppTheme_NoActionBar_105,
+ R.style.AppTheme_NoActionBar_110, R.style.AppTheme_NoActionBar_115,
+ R.style.AppTheme_NoActionBar_120, R.style.AppTheme_NoActionBar_125,
+ R.style.AppTheme_NoActionBar_130, R.style.AppTheme_NoActionBar_135,
+ R.style.AppTheme_NoActionBar_140, R.style.AppTheme_NoActionBar_145,
+ R.style.AppTheme_NoActionBar_150, R.style.AppTheme_NoActionBar_155,
+ R.style.AppTheme_NoActionBar_160, R.style.AppTheme_NoActionBar_165,
+ R.style.AppTheme_NoActionBar_170, R.style.AppTheme_NoActionBar_175,
+ R.style.AppTheme_NoActionBar_180, R.style.AppTheme_NoActionBar_185,
+ R.style.AppTheme_NoActionBar_190, R.style.AppTheme_NoActionBar_195,
+ R.style.AppTheme_NoActionBar_200, R.style.AppTheme_NoActionBar_205,
+ R.style.AppTheme_NoActionBar_210, R.style.AppTheme_NoActionBar_215,
+ R.style.AppTheme_NoActionBar_220, R.style.AppTheme_NoActionBar_225,
+ R.style.AppTheme_NoActionBar_230, R.style.AppTheme_NoActionBar_235,
+ R.style.AppTheme_NoActionBar_240, R.style.AppTheme_NoActionBar_245,
+ R.style.AppTheme_NoActionBar_250, R.style.AppTheme_NoActionBar_255,
+ R.style.AppTheme_NoActionBar_260, R.style.AppTheme_NoActionBar_265,
+ R.style.AppTheme_NoActionBar_270, R.style.AppTheme_NoActionBar_275,
+ R.style.AppTheme_NoActionBar_280, R.style.AppTheme_NoActionBar_285,
+ R.style.AppTheme_NoActionBar_290, R.style.AppTheme_NoActionBar_295,
+ R.style.AppTheme_NoActionBar_300, R.style.AppTheme_NoActionBar_305,
+ R.style.AppTheme_NoActionBar_310, R.style.AppTheme_NoActionBar_315,
+ R.style.AppTheme_NoActionBar_320, R.style.AppTheme_NoActionBar_325,
+ R.style.AppTheme_NoActionBar_330, R.style.AppTheme_NoActionBar_335,
+ R.style.AppTheme_NoActionBar_340, R.style.AppTheme_NoActionBar_345,
+ R.style.AppTheme_NoActionBar_350, R.style.AppTheme_NoActionBar_355,
+ };
public static void refreshColors(Resources.Theme theme) {
TypedValue tv = new TypedValue();
theme.resolveAttribute(R.attr.table_row_dark_bg, tv, true);
tableRowLightBG = tv.data;
theme.resolveAttribute(R.attr.colorPrimary, tv, true);
primary = tv.data;
- theme.resolveAttribute(android.R.color.tab_indicator_text, tv, true);
+ 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();
+ 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) {
int r, g, b;
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));
+ (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;
}
}
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));
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);
+ 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));
+ "Unexpected value for h (%1.3f) while converting hsl(%1.3f, %1.3f, %1.3f) to rgb",
+ 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();
- if (profile != null) {
- switch (Data.profile.get().getThemeId()) {
- case 0:
- activity.setTheme(R.style.AppTheme_NoActionBar_0);
- break;
- case 15:
- activity.setTheme(R.style.AppTheme_NoActionBar_15);
- break;
- case 30:
- activity.setTheme(R.style.AppTheme_NoActionBar_30);
- break;
- case 45:
- activity.setTheme(R.style.AppTheme_NoActionBar_45);
- break;
- case 60:
- activity.setTheme(R.style.AppTheme_NoActionBar_60);
- break;
- case 75:
- activity.setTheme(R.style.AppTheme_NoActionBar_75);
- break;
- case 90:
- activity.setTheme(R.style.AppTheme_NoActionBar_90);
- break;
- case 105:
- activity.setTheme(R.style.AppTheme_NoActionBar_105);
- break;
- case 120:
- activity.setTheme(R.style.AppTheme_NoActionBar_120);
- break;
- case 135:
- activity.setTheme(R.style.AppTheme_NoActionBar_135);
- break;
- case 150:
- activity.setTheme(R.style.AppTheme_NoActionBar_150);
- break;
- case 165:
- activity.setTheme(R.style.AppTheme_NoActionBar_165);
- break;
- case 180:
- activity.setTheme(R.style.AppTheme_NoActionBar_180);
- break;
- case 195:
- activity.setTheme(R.style.AppTheme_NoActionBar_195);
- break;
- case 210:
- activity.setTheme(R.style.AppTheme_NoActionBar_210);
- break;
- case 225:
- activity.setTheme(R.style.AppTheme_NoActionBar_225);
- break;
- case 240:
- activity.setTheme(R.style.AppTheme_NoActionBar_240);
- break;
- case 255:
- activity.setTheme(R.style.AppTheme_NoActionBar_255);
- break;
- case 270:
- activity.setTheme(R.style.AppTheme_NoActionBar_270);
- break;
- case 285:
- activity.setTheme(R.style.AppTheme_NoActionBar_285);
- break;
- case 300:
- activity.setTheme(R.style.AppTheme_NoActionBar_300);
- break;
- case 315:
- activity.setTheme(R.style.AppTheme_NoActionBar_315);
- break;
- case 330:
- activity.setTheme(R.style.AppTheme_NoActionBar_330);
- break;
- case 345:
- activity.setTheme(R.style.AppTheme_NoActionBar_345);
- break;
- default:
- activity.setTheme(R.style.AppTheme_NoActionBar);
- }
+ MobileLedgerProfile profile = Data.profile.getValue();
+ setupTheme(activity, profile);
+ }
+ public static void setupTheme(Activity activity, MobileLedgerProfile profile) {
+ final int themeHue = (profile == null) ? -1 : profile.getThemeHue();
+ setupTheme(activity, themeHue);
+ }
+ public static void setupTheme(Activity activity, int themeHue) {
+ int themeId = -1;
+ // Relies that theme resource IDs are sequential numbers
+ if (themeHue == 360)
+ themeHue = 0;
+ if ((themeHue >= 0) && (themeHue < 360) && ((themeHue % HueRing.hueStepDegrees) == 0)) {
+ themeId = themeIDs[themeHue / HueRing.hueStepDegrees];
+ }
+
+ if (themeId < 0) {
+ activity.setTheme(R.style.AppTheme_NoActionBar);
+ debug("profiles",
+ String.format(Locale.ENGLISH, "Theme hue %d not supported, using the default",
+ themeHue));
+ }
+ else {
+ activity.setTheme(themeId);
}
- else activity.setTheme(R.style.AppTheme_NoActionBar);
refreshColors(activity.getTheme());
}
+ public static @NonNull
+ ColorStateList getColorStateList() {
+ return getColorStateList(profileThemeId);
+ }
+ public static @NonNull
+ ColorStateList getColorStateList(int hue) {
+ return new ColorStateList(EMPTY_STATES, getColors(hue));
+ }
+ public static int[] getColors() {
+ return getColors(profileThemeId);
+ }
+ public static int[] getColors(int hue) {
+ int[] colors = new int[]{0, 0, 0, 0, 0, 0};
+ for (int i = 0; i < 6; i++, hue = (hue + 60) % 360) {
+ colors[i] = getPrimaryColorForHue(hue);
+ }
+ return colors;
+ }
+ public static int getNewProfileThemeHue(ArrayList<MobileLedgerProfile> profiles) {
+ if ((profiles == null) || (profiles.size() == 0))
+ return DEFAULT_HUE_DEG;
+
+ if (profiles.size() == 1) {
+ int opposite = profiles.get(0)
+ .getThemeHue() + 180;
+ opposite %= 360;
+ return opposite;
+ }
+
+ ArrayList<Integer> hues = new ArrayList<>();
+ for (MobileLedgerProfile p : profiles) {
+ int hue = p.getThemeHue();
+ if (hue == -1)
+ hue = DEFAULT_HUE_DEG;
+ hues.add(hue);
+ }
+ Collections.sort(hues);
+ hues.add(hues.get(0));
+
+ int lastHue = -1;
+ int largestInterval = 0;
+ ArrayList<Integer> largestIntervalStarts = new ArrayList<>();
+
+ for (int h : hues) {
+ if (lastHue == -1) {
+ lastHue = h;
+ continue;
+ }
+
+ int interval;
+ if (h > lastHue)
+ interval = h - lastHue; // 10 -> 20 is a step of 10
+ else
+ interval = h + (360 - lastHue); // 350 -> 20 is a step of 30
+
+ if (interval > largestInterval) {
+ largestInterval = interval;
+ largestIntervalStarts.clear();
+ largestIntervalStarts.add(lastHue);
+ }
+ else if (interval == largestInterval) {
+ largestIntervalStarts.add(lastHue);
+ }
+
+ lastHue = h;
+ }
+
+ final int chosenIndex = (int) (Math.random() * largestIntervalStarts.size());
+ int chosenIntervalStart = largestIntervalStarts.get(chosenIndex);
+
+ if (largestInterval % 2 != 0)
+ largestInterval++; // round up the middle point
+ int chosenHue = (chosenIntervalStart + (largestInterval / 2)) % 360;
+
+ final int mod = chosenHue % THEME_HUE_STEP_DEG;
+ if (mod != 0) {
+ if (mod > THEME_HUE_STEP_DEG / 2)
+ chosenHue += (THEME_HUE_STEP_DEG - mod); // 13 += (5-3) = 15
+ else
+ chosenHue -= mod; // 12 -= 2 = 10
+ }
+
+ return chosenHue;
+ }
}
projects / mobile-ledger.git / blobdiff