gitea/legado
gitea/legado
1
1
Fork 0
mirror of https://github.com/gedoor/legado.git synced 2024-07-06 23:47:49 +08:00
Code Issues Packages Projects Releases Wiki Activity

优化

Browse Source
This commit is contained in:
Horis 2024-02-15 16:39:56 +08:00
parent 61049ddffa
commit fa95dd1e3c
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
app/src/main/java/io/legado/app/utils/PictureMirror.kt
View File

@ -12,7 +12,7 @@ class PictureMirror {
@Volatile
var isDirty = true
val lock = ReentrantLock()
var lock: ReentrantLock? = null
inline fun drawLocked(
canvas: Canvas?,
@ -21,8 +21,22 @@ class PictureMirror {
block: Canvas.() -> Unit
) {
if (atLeastApi23) {
if (picture == null) picture = Picture()
if (picture == null) {
synchronized(this) {
if (picture == null) {
picture = Picture()
}
}
}
if (lock == null) {
synchronized(this) {
if (lock == null) {
lock = ReentrantLock()
}
}
}
val picture = picture!!
val lock = lock!!
if (isDirty) {
if (!lock.tryLock()) return
try {