From: Damyan Ivanov Date: Sun, 17 Feb 2019 19:59:53 +0000 (+0200) Subject: New helper class for color stuff X-Git-Tag: v0.7~77 X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=commitdiff_plain;h=e6e7e00fa8e02f5de38a88dcb2b71db379d0be35 New helper class for color stuff --- diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/Colors.java b/app/src/main/java/net/ktnx/mobileledger/utils/Colors.java new file mode 100644 index 00000000..edd9c771 --- /dev/null +++ b/app/src/main/java/net/ktnx/mobileledger/utils/Colors.java @@ -0,0 +1,191 @@ +package net.ktnx.mobileledger.utils; + +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.R; +import net.ktnx.mobileledger.model.Data; +import net.ktnx.mobileledger.model.MobileLedgerProfile; + +public class Colors { + public static final int DEFAULT_HUE_DEG = 261; + public static @ColorInt + int accent; + @ColorInt + public static int tableRowLightBG; + @ColorInt + public static int tableRowDarkBG; + @ColorInt + public static int primary, defaultTextColor; + public static int profileThemeId = -1; + + public static ObservableValue themeWatch = new ObservableValue<>(0); + public static void refreshColors(Resources.Theme theme) { + TypedValue tv = new TypedValue(); + theme.resolveAttribute(R.attr.table_row_dark_bg, tv, true); + tableRowDarkBG = tv.data; + theme.resolveAttribute(R.attr.table_row_light_bg, tv, true); + tableRowLightBG = tv.data; + theme.resolveAttribute(R.attr.colorPrimary, tv, true); + primary = tv.data; + + // trigger theme observers + themeWatch.notifyObservers(); + } + public static @ColorLong + long hsvaColor(float hue, float saturation, float value, float alpha) { + if (alpha < 0 || alpha > 1) + throw new IllegalArgumentException("alpha must be between 0 and 1"); + + @ColorLong long rgb = hsvTriplet(hue, saturation, value); + + long a_bits = Math.round(255 * alpha); + return (a_bits << 24) | rgb; + } + public static @ColorInt + int hsvColor(float hue, float saturation, float value) { + return 0xff000000 | hsvTriplet(hue, saturation, value); + } + 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"); + + int h = (int) (hue * 6); + float f = hue * 6 - h; + float p = value * (1 - saturation); + float q = value * (1 - f * saturation); + float t = value * (1 - (1 - f) * saturation); + + switch (h) { + case 0: + case 6: + return tupleToColor(value, t, p); + case 1: + return tupleToColor(q, value, p); + case 2: + return tupleToColor(p, value, t); + case 3: + return tupleToColor(p, q, value); + case 4: + return tupleToColor(t, p, value); + case 5: + return tupleToColor(value, p, q); + default: + throw new RuntimeException(String.format("Unexpected value for h (%d) while " + + "converting hsv(%1.2f, %1.2f, %1.2f) to " + + "rgb", h, hue, saturation, value)); + } + } + + public static @ColorInt + int tupleToColor(float r, float g, float b) { + int r_int = Math.round(255 * r); + int g_int = Math.round(255 * g); + int b_int = Math.round(255 * b); + return (r_int << 16) | (g_int << 8) | b_int; + } + public static @ColorInt + int getPrimaryColorForHue(int degrees) { + return getPrimaryColorForHue(degrees / 360f); + } + public static @ColorInt + int getPrimaryColorForHue(float hue) { + int result = hsvColor(hue, 0.61f, 0.95f); + Log.d("colors", String.format("getPrimaryColorForHue(%1.2f) = %x", hue, 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); + } + } + else activity.setTheme(R.style.AppTheme_NoActionBar); + + refreshColors(activity.getTheme()); + } + +}