Emoji flags in details
parent
7efc47724e
commit
14973298a0
GPG Key ID:
676DEE768C17A9D7
@ -0,0 +1,102 @@
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package org.koitharu.kotatsu.core.ui.image
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import android.content.res.ColorStateList
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import android.graphics.Canvas
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import android.graphics.Color
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import android.graphics.ColorFilter
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import android.graphics.Paint
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import android.graphics.PixelFormat
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import android.graphics.PointF
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import android.graphics.Rect
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import android.graphics.drawable.Drawable
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import android.widget.TextView
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import androidx.core.graphics.PaintCompat
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class TextDrawable(
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val text: String,
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) : Drawable() {
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private val paint = Paint(Paint.ANTI_ALIAS_FLAG or Paint.SUBPIXEL_TEXT_FLAG)
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private val textBounds = Rect()
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private val textPoint = PointF()
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var textSize: Float
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get() = paint.textSize
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set(value) {
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paint.textSize = value
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measureTextBounds()
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}
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var textColor: ColorStateList = ColorStateList.valueOf(Color.BLACK)
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set(value) {
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field = value
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onStateChange(state)
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}
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init {
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measureTextBounds()
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}
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override fun draw(canvas: Canvas) {
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canvas.drawText(text, textPoint.x, textPoint.y, paint)
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}
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override fun setAlpha(alpha: Int) {
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paint.alpha = alpha
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}
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override fun setColorFilter(colorFilter: ColorFilter?) {
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paint.setColorFilter(colorFilter)
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}
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override fun getOpacity(): Int = when (paint.alpha) {
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0 -> PixelFormat.TRANSPARENT
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255 -> PixelFormat.OPAQUE
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else -> PixelFormat.TRANSLUCENT
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}
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override fun onBoundsChange(bounds: Rect) {
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textPoint.set(
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bounds.exactCenterX() - textBounds.exactCenterX(),
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bounds.exactCenterY() - textBounds.exactCenterY(),
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)
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}
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override fun getIntrinsicWidth(): Int = textBounds.width()
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override fun getIntrinsicHeight(): Int = textBounds.height()
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override fun setDither(dither: Boolean) {
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paint.isDither = dither
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}
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override fun isStateful(): Boolean = textColor.isStateful
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override fun hasFocusStateSpecified(): Boolean = textColor.getColorForState(
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intArrayOf(android.R.attr.state_focused),
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textColor.defaultColor,
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) != textColor.defaultColor
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override fun onStateChange(state: IntArray): Boolean {
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val prevColor = paint.color
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paint.color = textColor.getColorForState(state, textColor.defaultColor)
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return paint.color != prevColor
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}
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private fun measureTextBounds() {
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paint.getTextBounds(text, 0, text.length, textBounds)
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onBoundsChange(bounds)
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}
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companion object {
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fun compound(textView: TextView, text: String): TextDrawable? {
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val drawable = TextDrawable(text)
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drawable.textSize = textView.textSize
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drawable.textColor = textView.textColors
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return drawable.takeIf {
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PaintCompat.hasGlyph(drawable.paint, text)
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}
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}
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}
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}
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@ -0,0 +1,35 @@
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package org.koitharu.kotatsu.core.util
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import android.graphics.Paint
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import androidx.core.graphics.PaintCompat
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import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
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import java.util.Locale
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object LocaleUtils {
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private val paint = Paint()
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fun getEmojiFlag(locale: Locale): String? {
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val code = when (val c = locale.country.ifNullOrEmpty { locale.toLanguageTag() }.uppercase(Locale.ENGLISH)) {
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"EN" -> "GB"
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"JA" -> "JP"
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else -> c
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}
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val emoji = countryCodeToEmojiFlag(code)
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return if (PaintCompat.hasGlyph(paint, emoji)) {
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emoji
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} else {
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null
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}
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}
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private fun countryCodeToEmojiFlag(countryCode: String): String {
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return countryCode.map { char ->
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Character.codePointAt("$char", 0) - 0x41 + 0x1F1E6
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}.map { codePoint ->
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Character.toChars(codePoint)
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}.joinToString(separator = "") { charArray ->
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String(charArray)
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}
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}
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}
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