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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import android.graphics.RectF
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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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2023-02-08 10:55:49 +01:00
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import androidx.annotation.DrawableRes
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2020-09-11 11:19:09 +02:00
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import androidx.annotation.IntRange
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2023-02-08 10:55:49 +01:00
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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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2023-01-13 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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2018-11-04 03:40:28 +01:00
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class NetworkEmojiSpan internal constructor(
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private val url: String,
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private val scale: Float = 1f,
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@DrawableRes 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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2021-06-20 15:12:25 +02:00
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companion object {
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internal val log = LogCategory("NetworkEmojiSpan")
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private const val scaleRatio = 1.14f
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private const val descentRatio = 0.211f
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}
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private val mPaint = Paint().apply { isFilterBitmap = true }
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private val rectSrc = Rect()
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private val rectDst = RectF()
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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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2023-02-08 10:55:49 +01:00
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private var errorDrawableCache: Drawable? = null
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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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val size = (paint.textSize * scaleRatio * scale + 0.5f).toInt()
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if (fm != null) {
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val cDescent = (0.5f + size * descentRatio).toInt()
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val cAscent = cDescent - size
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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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return size
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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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invalidateCallback.delayInvalidate(0L)
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} ?: return false
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val t = when {
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2023-02-04 21:52:26 +01:00
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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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// 絵文字の正方形のサイズ
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val dstSize = textPaint.textSize * scaleRatio * scale
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// ベースラインから上下方向にずらすオフセット
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val cDescent = dstSize * descentRatio
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val transY = baseline - dstSize + cDescent
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// 絵文字のアスペクト比から描画範囲の幅と高さを決める
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val dstWidth: Float
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val dstHeight: Float
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val aspectSrc = srcWidth.toFloat() / srcHeight.toFloat()
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if (aspectSrc >= 1f) {
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dstWidth = dstSize
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dstHeight = dstSize / aspectSrc
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} else {
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dstHeight = dstSize
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dstWidth = dstSize * aspectSrc
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}
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val dstX = (dstSize - dstWidth) / 2f
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val dstY = (dstSize - dstHeight) / 2f
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rectDst.set(dstX, dstY, dstX + dstWidth, dstY + dstHeight)
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canvas.save()
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try {
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canvas.translate(x, transY)
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canvas.drawBitmap(b, rectSrc, 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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2023-02-04 21:52:26 +01:00
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if (delay != Long.MAX_VALUE && !PrefB.bpDisableEmojiAnimation.value) {
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2021-06-20 15:12:25 +02:00
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invalidateCallback.delayInvalidate(delay)
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}
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2023-02-08 10:55:49 +01:00
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return true
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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
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val srcHeight = drawable.intrinsicHeight
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// 絵文字の正方形のサイズ
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val dstSize = textPaint.textSize * scaleRatio * scale
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// ベースラインから上下方向にずらすオフセット
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val cDescent = dstSize * descentRatio
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val transY = baseline - dstSize + cDescent
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// 絵文字のアスペクト比から描画範囲の幅と高さを決める
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val dstWidth: Float
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val dstHeight: Float
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val aspectSrc = srcWidth.toFloat() / srcHeight.toFloat()
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if (aspectSrc >= 1f) {
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dstWidth = dstSize
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dstHeight = dstSize / aspectSrc
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} else {
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dstHeight = dstSize
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dstWidth = dstSize * aspectSrc
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}
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val dstX = (dstSize - dstWidth) / 2f
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val dstY = (dstSize - dstHeight) / 2f
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// rectDst.set(dstX, dstY, dstX + dstWidth, dstY + dstHeight)
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canvas.save()
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try {
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canvas.translate(x, transY)
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drawable.setBounds(
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dstX.toInt(),
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dstY.toInt(),
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(dstX + dstWidth).toInt(),
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(dstY + dstHeight).toInt()
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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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