67 lines
1.8 KiB
Kotlin
67 lines
1.8 KiB
Kotlin
/*
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* Copyright 2022 Tarsin Norbin
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*
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* This file is part of EhViewer
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*
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* EhViewer is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* EhViewer is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with EhViewer.
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* If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.hippo.image
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import android.graphics.ImageDecoder
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import android.graphics.drawable.Drawable
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import java.io.FileInputStream
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import kotlin.jvm.Throws
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class ImageBitmap private constructor(image: Image) {
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private var mImage: Image? = image
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private var mReferences = 0
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@Synchronized
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fun obtain(): Boolean {
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return if (mImage?.isRecycled == true) {
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false
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} else {
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++mReferences
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true
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}
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}
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@Synchronized
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fun release() {
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--mReferences
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if (mReferences <= 0 && !mImage!!.isRecycled) {
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mImage!!.recycle()
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mImage = null
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}
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}
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fun getDrawable(): Drawable {
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check(obtain()) { "Recycled!" }
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return mImage!!.mObtainedDrawable as Drawable
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}
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val width: Int
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get() = mImage!!.width
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val height: Int
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get() = mImage!!.height
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companion object {
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@Throws(ImageDecoder.DecodeException::class)
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@JvmStatic
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fun decode(stream: FileInputStream): ImageBitmap {
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val image = Image.decode(stream)
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return ImageBitmap(image)
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}
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}
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} |