From: Damyan Ivanov Date: Mon, 4 May 2020 20:03:20 +0000 (+0300) Subject: darker colour palette, matching theme (pre-generated) and run-time colours X-Git-Tag: v0.12.0~5 X-Git-Url: https://git.ktnx.net/?a=commitdiff_plain;h=6680ab3aec4c8bfb5662e0d2a251f05cb026e035;p=mobile-ledger.git darker colour palette, matching theme (pre-generated) and run-time colours --- diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/Colors.java b/app/src/main/java/net/ktnx/mobileledger/utils/Colors.java index d820f244..c61d0144 100644 --- a/app/src/main/java/net/ktnx/mobileledger/utils/Colors.java +++ b/app/src/main/java/net/ktnx/mobileledger/utils/Colors.java @@ -27,6 +27,7 @@ import androidx.annotation.ColorLong; import androidx.annotation.NonNull; import androidx.lifecycle.MutableLiveData; +import net.ktnx.mobileledger.BuildConfig; import net.ktnx.mobileledger.R; import net.ktnx.mobileledger.model.Data; import net.ktnx.mobileledger.model.MobileLedgerProfile; @@ -42,6 +43,7 @@ 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; + public static final int baseHueStep = 60; 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]}; @@ -140,7 +142,6 @@ public class Colors { "Unexpected value for h (%1.3f) while converting hsl(%1.3f, %1.3f, %1.3f) to rgb", h, hueRatio, saturation, lightness)); } - public static @ColorInt int tupleToColor(float r, float g, float b) { int r_int = Math.round(255 * r); @@ -148,15 +149,39 @@ public class Colors { int b_int = Math.round(255 * b); return (r_int << 16) | (g_int << 8) | b_int; } + public static float baseHueLightness(int baseHueDegrees) { + switch (baseHueDegrees % 360) { + case 0: + return 0.450f; // red + case 60: + return 0.400f; // yellow + case 120: + return 0.400f; // green + case 180: + return 0.400f; // cyan + case 240: + return 0.750f; // blue + case 300: + return 0.500f; // magenta + default: + throw new IllegalStateException( + String.format(Locale.US, "baseHueLightness called with invalid value %d", + baseHueDegrees)); + } + } + public static float hueLightness(int hueDegrees) { + int mod = hueDegrees % baseHueStep; + int x0 = hueDegrees - mod; + int x1 = x0 + baseHueStep; + + float y0 = baseHueLightness(x0); + float y1 = baseHueLightness(x1); + + return y0 + (hueDegrees - x0) * (y1 - y0) / (x1 - x0); + } public static @ColorInt 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); + int result = hslColor(hueDegrees / 360f, 0.845f, hueLightness(hueDegrees)); debug("colors", String.format(Locale.ENGLISH, "getPrimaryColorForHue(%d) = %x", hueDegrees, result)); return result; @@ -169,7 +194,7 @@ public class Colors { final int themeHue = (profile == null) ? -1 : profile.getThemeHue(); setupTheme(activity, themeHue); } - public static void setupTheme(Activity activity, int themeHue) { + public static int getThemeIdForHue(int themeHue) { int themeId = -1; if (themeHue == 360) themeHue = 0; @@ -187,14 +212,17 @@ public class Colors { } if (themeId < 0) { - activity.setTheme(R.style.AppTheme_NoActionBar); + themeId = R.style.AppTheme_NoActionBar; debug("profiles", String.format(Locale.ENGLISH, "Theme hue %d not supported, using the default", themeHue)); } - else { - activity.setTheme(themeId); - } + + return themeId; + } + public static void setupTheme(Activity activity, int themeHue) { + int themeId = getThemeIdForHue(themeHue); + activity.setTheme(themeId); refreshColors(activity.getTheme()); } @@ -238,6 +266,15 @@ public class Colors { hues.add(hue); } Collections.sort(hues); + if (BuildConfig.DEBUG) { + StringBuilder huesSB = new StringBuilder(); + for (int h : hues) { + if (huesSB.length() > 0) + huesSB.append(", "); + huesSB.append(String.valueOf(h)); + } + debug("profiles", String.format("used hues: %s", huesSB.toString())); + } hues.add(hues.get(0)); int lastHue = -1; @@ -271,6 +308,10 @@ public class Colors { final int chosenIndex = (int) (Math.random() * largestIntervalStarts.size()); int chosenIntervalStart = largestIntervalStarts.get(chosenIndex); + debug("profiles", + String.format(Locale.US, "Choosing the middle colour between %d and %d", + chosenIntervalStart, chosenIntervalStart + largestInterval)); + if (largestInterval % 2 != 0) largestInterval++; // round up the middle point @@ -285,6 +326,8 @@ public class Colors { chosenHue -= mod; // 12 -= 2 = 10 } + debug("profiles", String.format(Locale.US, "New profile hue: %d", chosenHue)); + return chosenHue; } } diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml index 9defca00..4929826c 100644 --- a/app/src/main/res/values/styles.xml +++ b/app/src/main/res/values/styles.xml @@ -36,414 +36,414 @@ false true #757575 - #935ff2 - #00935ff2 - #5f14e9 + #9360f2 + #009360f2 + #6922ec #ffffffff #efe7fd #f9f6fe