62 lines
1.9 KiB
Kotlin
62 lines
1.9 KiB
Kotlin
package com.img.rabbit.utils
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import android.content.Context
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import android.widget.ImageView
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import coil3.load
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import coil3.request.crossfade
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import coil3.request.transformations
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import coil3.transform.RoundedCornersTransformation
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import com.luck.picture.lib.engine.ImageEngine
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import com.luck.picture.lib.utils.ActivityCompatHelper
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class CoilEngine : ImageEngine {
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// 加载普通图片
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override fun loadImage(context: Context, url: String, imageView: ImageView) {
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if (!ActivityCompatHelper.assertValidRequest(context)) return
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imageView.load(url)
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}
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override fun loadImage(
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context: Context?,
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imageView: ImageView?,
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url: String?,
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maxWidth: Int,
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maxHeight: Int
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) {
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if (!ActivityCompatHelper.assertValidRequest(context)) return
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imageView?.load(url)
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}
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// 加载相册目录封面
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override fun loadAlbumCover(context: Context, url: String, imageView: ImageView) {
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if (!ActivityCompatHelper.assertValidRequest(context)) return
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imageView.load(url) {
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transformations(RoundedCornersTransformation(8f))
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size(180, 180) // 优化内存，封面图没必要太大
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}
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}
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// 加载图片列表中的小图
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override fun loadGridImage(context: Context, url: String, imageView: ImageView) {
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if (!ActivityCompatHelper.assertValidRequest(context)) return
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imageView.load(url) {
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size(200, 200)
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crossfade(true)
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}
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}
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// 暂停/恢复加载（Coil 自动处理，可留空）
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override fun pauseRequests(context: Context?) {}
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override fun resumeRequests(context: Context?) {}
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companion object {
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private var instance: CoilEngine? = null
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fun createCoilEngine(): CoilEngine {
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return instance ?: synchronized(this) {
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instance ?: CoilEngine().also { instance = it }
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}
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}
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}
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}
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