2018-01-04 19:52:25 +01:00
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package jp.juggler.subwaytooter.span
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import android.graphics.Canvas
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import android.graphics.Paint
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import android.graphics.Rect
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2023-02-08 10:55:49 +01:00
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import android.graphics.drawable.Drawable
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2018-01-04 19:52:25 +01:00
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import android.text.style.ReplacementSpan
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2020-09-11 11:19:09 +02:00
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import androidx.annotation.IntRange
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import androidx.core.content.ContextCompat
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2018-01-28 20:03:04 +01:00
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import jp.juggler.apng.ApngFrames
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2018-01-04 19:52:25 +01:00
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import jp.juggler.subwaytooter.App1
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2023-02-08 10:55:49 +01:00
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import jp.juggler.subwaytooter.R
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2021-11-06 04:00:29 +01:00
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import jp.juggler.subwaytooter.pref.PrefB
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import jp.juggler.subwaytooter.pref.lazyContext
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2023-02-22 16:04:00 +01:00
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import jp.juggler.subwaytooter.util.EmojiImageRect
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import jp.juggler.subwaytooter.util.EmojiSizeMode
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2023-01-13 13:22:25 +01:00
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import jp.juggler.util.log.LogCategory
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2018-01-04 19:52:25 +01:00
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import java.lang.ref.WeakReference
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class NetworkEmojiSpan constructor(
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private val url: String,
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sizeMode: EmojiSizeMode,
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scale: Float = 1f,
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private val initialAspect: Float? = null,
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private val errorDrawableId: Int = R.drawable.outline_broken_image_24,
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2019-09-19 06:26:42 +02:00
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) : ReplacementSpan(), AnimatableSpan {
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companion object {
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internal val log = LogCategory("NetworkEmojiSpan")
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const val scaleRatio = 1.14f
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private const val descentRatio = 0.211f
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// 最大幅
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var maxEmojiWidth = Float.MAX_VALUE
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}
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private val mPaint = Paint().apply { isFilterBitmap = true }
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// フレーム探索結果を格納する構造体を確保しておく
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private val mFrameFindResult = ApngFrames.FindFrameResult()
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private var invalidateCallback: AnimatableSpanInvalidator? = null
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private var refDrawTarget: WeakReference<Any>? = null
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private var errorDrawableCache: Drawable? = null
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private val rectSrc = Rect()
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private var lastMeasuredWidth = 0f
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private val emojiImageRect = EmojiImageRect(
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sizeMode = sizeMode,
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scale = scale,
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scaleRatio = scaleRatio,
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descentRatio = descentRatio,
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maxEmojiWidth = maxEmojiWidth,
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// layout = { _, _ ->
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// when (val cb = invalidateCallback) {
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// null -> log.w("layoutCb is null")
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// else -> {
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// log.i("layoutCb requestLayout. url=$url")
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// cb.requestLayout()
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// }
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// }
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// }
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)
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override fun setInvalidateCallback(
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drawTargetTag: Any,
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invalidateCallback: AnimatableSpanInvalidator,
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) {
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this.refDrawTarget = WeakReference(drawTargetTag)
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this.invalidateCallback = invalidateCallback
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}
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override fun getSize(
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paint: Paint,
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text: CharSequence,
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@IntRange(from = 0) start: Int,
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@IntRange(from = 0) end: Int,
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fm: Paint.FontMetricsInt?,
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): Int {
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emojiImageRect.updateRect(
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url = url,
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aspectArg = initialAspect,
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paint.textSize,
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baseline = 0f
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)
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val height = (emojiImageRect.emojiHeight + 0.5f).toInt()
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if (fm != null) {
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val cDescent = (0.5f + height * descentRatio).toInt()
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val cAscent = cDescent - height
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if (fm.ascent > cAscent) fm.ascent = cAscent
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if (fm.top > cAscent) fm.top = cAscent
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if (fm.descent < cDescent) fm.descent = cDescent
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if (fm.bottom < cDescent) fm.bottom = cDescent
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}
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val width = emojiImageRect.emojiWidth
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lastMeasuredWidth = width
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return (width + 0.5f).toInt()
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}
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override fun draw(
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canvas: Canvas,
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text: CharSequence,
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start: Int,
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end: Int,
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x: Float,
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top: Int,
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baseline: Int,
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bottom: Int,
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textPaint: Paint,
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) {
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if (drawFrame(canvas, x, baseline, textPaint)) return
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drawError(canvas, x, baseline, textPaint)
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}
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private fun drawFrame(
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canvas: Canvas,
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x: Float,
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baseline: Int,
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textPaint: Paint,
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): Boolean {
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val invalidateCallback = this.invalidateCallback
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if (invalidateCallback == null) {
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log.e("draw: invalidate_callback is null.")
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return false
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}
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// APNGデータの取得
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val frames = App1.custom_emoji_cache.getFrames(refDrawTarget, url) {
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handleFrameLoaded(it)
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invalidateCallback.delayInvalidate(0L)
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} ?: return false
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val t = when {
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PrefB.bpDisableEmojiAnimation.value -> 0L
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else -> invalidateCallback.timeFromStart
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}
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// アニメーション開始時刻からの経過時間に応じたフレームを探索
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frames.findFrame(mFrameFindResult, t)
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val b = mFrameFindResult.bitmap
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if (b == null || b.isRecycled) {
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log.e("draw: bitmap is null or recycled.")
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return false
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}
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val srcWidth = b.width
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val srcHeight = b.height
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if (srcWidth < 1 || srcHeight < 1) {
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log.e("draw: bitmap size is too small.")
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return false
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}
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rectSrc.set(0, 0, srcWidth, srcHeight)
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emojiImageRect.updateRect(
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url = url,
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2023-02-21 16:17:29 +01:00
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aspectArg = srcWidth.toFloat() / srcHeight.toFloat(),
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textPaint.textSize,
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baseline.toFloat()
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)
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val clipBounds = canvas.clipBounds
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val clipWidth = clipBounds.width()
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// 最後にgetSizeで返した幅と異なるか、現在のTextViewのClip幅より大きいなら
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// 再レイアウトを要求する
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if (emojiImageRect.emojiWidth != lastMeasuredWidth ){
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log.i("requestLayout by width changed")
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invalidateCallback.requestLayout()
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}else if(emojiImageRect.emojiWidth > clipWidth) {
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log.i("requestLayout by clipWidth ${emojiImageRect.emojiWidth}/${clipWidth}")
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invalidateCallback.requestLayout()
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}
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canvas.save()
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try {
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canvas.translate(x, emojiImageRect.transY)
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canvas.drawBitmap(b, rectSrc, emojiImageRect.rectDst, mPaint)
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} catch (ex: Throwable) {
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log.w(ex, "drawBitmap failed.")
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// 10月6日 18:18(アプリのバージョン: 378) Sony Xperia X Compact(F5321), Android 8.0
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// 10月6日 11:35(アプリのバージョン: 380) Samsung Galaxy S7 Edge(hero2qltetmo), Android 8.0
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// 10月2日 21:56(アプリのバージョン: 376) Google Pixel 3(blueline), Android 9
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// java.lang.RuntimeException:
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// at android.graphics.BaseCanvas.throwIfCannotDraw (BaseCanvas.java:55)
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// at android.view.DisplayListCanvas.throwIfCannotDraw (DisplayListCanvas.java:226)
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// at android.view.RecordingCanvas.drawBitmap (RecordingCanvas.java:123)
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// at jp.juggler.subwaytooter.span.NetworkEmojiSpan.draw (NetworkEmojiSpan.kt:137)
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} finally {
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canvas.restore()
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}
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// 少し後に描画しなおす
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val delay = mFrameFindResult.delay
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if (delay != Long.MAX_VALUE && !PrefB.bpDisableEmojiAnimation.value) {
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invalidateCallback.delayInvalidate(delay)
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}
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return true
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}
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private fun handleFrameLoaded(frames: ApngFrames?) {
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frames?.aspect?.let {
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invalidateCallback?.requestLayout()
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}
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}
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private fun drawError(
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canvas: Canvas,
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x: Float,
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baseline: Int,
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textPaint: Paint,
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) {
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val drawable = errorDrawableCache
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?: ContextCompat.getDrawable(lazyContext, errorDrawableId)
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?.also { errorDrawableCache = it }
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drawable ?: return
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val srcWidth = drawable.intrinsicWidth.toFloat()
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val srcHeight = drawable.intrinsicHeight.toFloat()
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2023-02-22 16:04:00 +01:00
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emojiImageRect.updateRect(
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url = "",
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2023-02-21 16:17:29 +01:00
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aspectArg = srcWidth / srcHeight,
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textSize = textPaint.textSize,
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baseline = baseline.toFloat(),
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)
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canvas.save()
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try {
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canvas.translate(x, emojiImageRect.transY)
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drawable.setBounds(
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emojiImageRect.rectDst.left.toInt(),
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emojiImageRect.rectDst.top.toInt(),
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emojiImageRect.rectDst.right.plus(0.5f).toInt(),
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emojiImageRect.rectDst.bottom.plus(0.5f).toInt(),
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2023-02-08 10:55:49 +01:00
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)
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drawable.draw(canvas)
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} catch (ex: Throwable) {
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log.w(ex, "drawBitmap failed.")
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// 10月6日 18:18(アプリのバージョン: 378) Sony Xperia X Compact(F5321), Android 8.0
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// 10月6日 11:35(アプリのバージョン: 380) Samsung Galaxy S7 Edge(hero2qltetmo), Android 8.0
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// 10月2日 21:56(アプリのバージョン: 376) Google Pixel 3(blueline), Android 9
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// java.lang.RuntimeException:
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// at android.graphics.BaseCanvas.throwIfCannotDraw (BaseCanvas.java:55)
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// at android.view.DisplayListCanvas.throwIfCannotDraw (DisplayListCanvas.java:226)
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// at android.view.RecordingCanvas.drawBitmap (RecordingCanvas.java:123)
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// at jp.juggler.subwaytooter.span.NetworkEmojiSpan.draw (NetworkEmojiSpan.kt:137)
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} finally {
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canvas.restore()
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}
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2021-06-20 15:12:25 +02:00
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}
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2018-01-04 19:52:25 +01:00
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}
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