Merge branch 'devel' into next
commit
2d5332d8df
GPG Key ID:
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package org.koitharu.kotatsu.core.ui.drawable
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import android.annotation.SuppressLint
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import android.content.Context
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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.Typeface
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import android.graphics.drawable.Drawable
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import android.os.Build
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import android.text.Layout
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import android.text.StaticLayout
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import android.text.TextPaint
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import androidx.annotation.ColorInt
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import androidx.annotation.Px
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import androidx.annotation.StyleRes
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import androidx.core.graphics.withTranslation
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import com.google.android.material.resources.TextAppearance
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import com.google.android.material.resources.TextAppearanceFontCallback
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import org.koitharu.kotatsu.core.util.ext.getThemeColor
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class TextDrawable(
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val text: CharSequence,
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) : Drawable() {
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private val paint = TextPaint(Paint.ANTI_ALIAS_FLAG)
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private var cachedLayout: StaticLayout? = null
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@SuppressLint("RestrictedApi")
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constructor(context: Context, text: CharSequence, @StyleRes textAppearanceId: Int) : this(text) {
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val ta = TextAppearance(context, textAppearanceId)
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paint.color = ta.textColor?.defaultColor ?: context.getThemeColor(android.R.attr.textColorPrimary, Color.BLACK)
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paint.typeface = ta.fallbackFont
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ta.getFontAsync(
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context, paint,
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object : TextAppearanceFontCallback() {
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override fun onFontRetrieved(typeface: Typeface?, fontResolvedSynchronously: Boolean) = Unit
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override fun onFontRetrievalFailed(reason: Int) = Unit
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},
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)
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paint.letterSpacing = ta.letterSpacing
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}
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var alignment = Layout.Alignment.ALIGN_NORMAL
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var lineSpacingMultiplier = 1f
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@Px
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var lineSpacingExtra = 0f
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@get:ColorInt
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var textColor: Int
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get() = paint.color
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set(@ColorInt value) {
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paint.color = value
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}
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override fun draw(canvas: Canvas) {
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val b = bounds
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if (b.isEmpty) {
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return
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}
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canvas.withTranslation(x = b.left.toFloat(), y = b.top.toFloat()) {
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obtainLayout().draw(canvas)
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}
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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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@Suppress("DeprecatedCallableAddReplaceWith")
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@Deprecated("Deprecated in Java")
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override fun getOpacity(): Int = PixelFormat.TRANSLUCENT
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private fun obtainLayout(): StaticLayout {
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val width = bounds.width()
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cachedLayout?.let {
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if (it.width == width) {
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return it
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}
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}
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return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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StaticLayout.Builder.obtain(text, 0, text.length, paint, width)
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.setAlignment(alignment)
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.setLineSpacing(lineSpacingExtra, lineSpacingMultiplier)
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.setIncludePad(true)
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.build()
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} else {
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@Suppress("DEPRECATION")
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StaticLayout(text, paint, width, alignment, lineSpacingMultiplier, lineSpacingExtra, true)
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}.also { cachedLayout = it }
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}
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}
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