diff options
Diffstat (limited to 'core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt')
| -rw-r--r-- | core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt | 88 |
1 files changed, 60 insertions, 28 deletions
diff --git a/core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt b/core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt index f010c6f..9e1832f 100644 --- a/core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt +++ b/core/src/main/kotlin/ca/allanwang/kau/utils/ColorUtils.kt @@ -1,3 +1,18 @@ +/* + * Copyright 2018 Allan Wang + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ package ca.allanwang.kau.utils import android.annotation.SuppressLint @@ -7,15 +22,21 @@ import android.graphics.Color import android.graphics.PorterDuff import android.graphics.drawable.Drawable import android.os.Build +import android.widget.CheckBox +import android.widget.EditText +import android.widget.ImageButton +import android.widget.ProgressBar +import android.widget.RadioButton +import android.widget.SeekBar +import android.widget.TextView import androidx.annotation.ColorInt import androidx.annotation.FloatRange import androidx.annotation.IntRange -import androidx.core.graphics.drawable.DrawableCompat import androidx.appcompat.widget.AppCompatEditText import androidx.appcompat.widget.Toolbar -import android.widget.* +import androidx.core.graphics.drawable.DrawableCompat import com.afollestad.materialdialogs.R -import java.util.* +import java.util.Random /** * Created by Allan Wang on 2017-06-08. @@ -38,7 +59,7 @@ inline val Int.isColorDark: Boolean get() = isColorDark(0.5f) fun Int.isColorDark(minDarkness: Float): Boolean = - ((0.299 * Color.red(this) + 0.587 * Color.green(this) + 0.114 * Color.blue(this)) / 255.0) < minDarkness + ((0.299 * Color.red(this) + 0.587 * Color.green(this) + 0.114 * Color.blue(this)) / 255.0) < minDarkness fun Int.toHexString(withAlpha: Boolean = false, withHexPrefix: Boolean = true): String { val hex = if (withAlpha) String.format("#%08X", this) @@ -46,7 +67,8 @@ fun Int.toHexString(withAlpha: Boolean = false, withHexPrefix: Boolean = true): return if (withHexPrefix) hex else hex.substring(1) } -fun Int.toRgbaString(): String = "rgba(${Color.red(this)}, ${Color.green(this)}, ${Color.blue(this)}, ${(Color.alpha(this) / 255f).round(3)})" +fun Int.toRgbaString(): String = + "rgba(${Color.red(this)}, ${Color.green(this)}, ${Color.blue(this)}, ${(Color.alpha(this) / 255f).round(3)})" fun Int.toHSV(): FloatArray { val hsv = FloatArray(3) @@ -59,13 +81,15 @@ inline val Int.isColorOpaque: Boolean fun FloatArray.toColor(): Int = Color.HSVToColor(this) -fun Int.isColorVisibleOn(@ColorInt color: Int, @IntRange(from = 0L, to = 255L) delta: Int = 25, - @IntRange(from = 0L, to = 255L) minAlpha: Int = 50): Boolean = - if (Color.alpha(this) < minAlpha) false - else !(Math.abs(Color.red(this) - Color.red(color)) < delta - && Math.abs(Color.green(this) - Color.green(color)) < delta - && Math.abs(Color.blue(this) - Color.blue(color)) < delta) - +fun Int.isColorVisibleOn( + @ColorInt color: Int, + @IntRange(from = 0L, to = 255L) delta: Int = 25, + @IntRange(from = 0L, to = 255L) minAlpha: Int = 50 +): Boolean = + if (Color.alpha(this) < minAlpha) false + else !(Math.abs(Color.red(this) - Color.red(color)) < delta && + Math.abs(Color.green(this) - Color.green(color)) < delta && + Math.abs(Color.blue(this) - Color.blue(color)) < delta) @ColorInt fun Context.getDisabledColor(): Int { @@ -94,30 +118,34 @@ fun Int.blendWith(@ColorInt color: Int, @FloatRange(from = 0.0, to = 1.0) ratio: } @ColorInt -fun Int.withAlpha(@IntRange(from = 0L, to = 255L) alpha: Int): Int = Color.argb(alpha, Color.red(this), Color.green(this), Color.blue(this)) +fun Int.withAlpha(@IntRange(from = 0L, to = 255L) alpha: Int): Int = + Color.argb(alpha, Color.red(this), Color.green(this), Color.blue(this)) @ColorInt -fun Int.withMinAlpha(@IntRange(from = 0L, to = 255L) alpha: Int): Int = Color.argb(Math.max(alpha, Color.alpha(this)), Color.red(this), Color.green(this), Color.blue(this)) +fun Int.withMinAlpha(@IntRange(from = 0L, to = 255L) alpha: Int): Int = + Color.argb(Math.max(alpha, Color.alpha(this)), Color.red(this), Color.green(this), Color.blue(this)) @ColorInt fun Int.lighten(@FloatRange(from = 0.0, to = 1.0) factor: Float = 0.1f): Int { val (red, green, blue) = intArrayOf(Color.red(this), Color.green(this), Color.blue(this)) - .map { (it * (1f - factor) + 255f * factor).toInt() } + .map { (it * (1f - factor) + 255f * factor).toInt() } return Color.argb(Color.alpha(this), red, green, blue) } @ColorInt fun Int.darken(@FloatRange(from = 0.0, to = 1.0) factor: Float = 0.1f): Int { val (red, green, blue) = intArrayOf(Color.red(this), Color.green(this), Color.blue(this)) - .map { (it * (1f - factor)).toInt() } + .map { (it * (1f - factor)).toInt() } return Color.argb(Color.alpha(this), red, green, blue) } @ColorInt -fun Int.colorToBackground(@FloatRange(from = 0.0, to = 1.0) factor: Float = 0.1f): Int = if (isColorDark) darken(factor) else lighten(factor) +fun Int.colorToBackground(@FloatRange(from = 0.0, to = 1.0) factor: Float = 0.1f): Int = + if (isColorDark) darken(factor) else lighten(factor) @ColorInt -fun Int.colorToForeground(@FloatRange(from = 0.0, to = 1.0) factor: Float = 0.1f): Int = if (isColorDark) lighten(factor) else darken(factor) +fun Int.colorToForeground(@FloatRange(from = 0.0, to = 1.0) factor: Float = 0.1f): Int = + if (isColorDark) lighten(factor) else darken(factor) @Throws(IllegalArgumentException::class) fun String.toColor(): Int { @@ -132,11 +160,15 @@ fun String.toColor(): Int { //Get ColorStateList fun Context.colorStateList(@ColorInt color: Int): ColorStateList { val disabledColor = color.adjustAlpha(0.3f) - return ColorStateList(arrayOf(intArrayOf(android.R.attr.state_enabled, -android.R.attr.state_checked), + return ColorStateList( + arrayOf( + intArrayOf(android.R.attr.state_enabled, -android.R.attr.state_checked), intArrayOf(android.R.attr.state_enabled, android.R.attr.state_checked), intArrayOf(-android.R.attr.state_enabled, -android.R.attr.state_checked), - intArrayOf(-android.R.attr.state_enabled, android.R.attr.state_checked)), - intArrayOf(color.adjustAlpha(0.8f), color, disabledColor, disabledColor)) + intArrayOf(-android.R.attr.state_enabled, android.R.attr.state_checked) + ), + intArrayOf(color.adjustAlpha(0.8f), color, disabledColor, disabledColor) + ) } /* @@ -203,14 +235,14 @@ fun ProgressBar.tint(@ColorInt color: Int, skipIndeterminate: Boolean = false) { fun Context.textColorStateList(@ColorInt color: Int): ColorStateList { val states = arrayOf( - intArrayOf(-android.R.attr.state_enabled), - intArrayOf(-android.R.attr.state_pressed, -android.R.attr.state_focused), - intArrayOf() + intArrayOf(-android.R.attr.state_enabled), + intArrayOf(-android.R.attr.state_pressed, -android.R.attr.state_focused), + intArrayOf() ) val colors = intArrayOf( - resolveColor(R.attr.colorControlNormal), - resolveColor(R.attr.colorControlNormal), - color + resolveColor(R.attr.colorControlNormal), + resolveColor(R.attr.colorControlNormal), + color ) return ColorStateList(states, colors) } @@ -254,4 +286,4 @@ fun Toolbar.tint(@ColorInt color: Int, tintTitle: Boolean = true) { setSubtitleTextColor(color) } (0 until childCount).asSequence().forEach { (getChildAt(it) as? ImageButton)?.setColorFilter(color) } -}
\ No newline at end of file +} |