Fix BufferedImage compressed

1a557984 · ryoii · 4840a57b · 1a557984
Commit 1a557984 authored Apr 29, 2020 by ryoii
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mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/ExternalImageJvm.kt .../jvmMain/kotlin/net/mamoe/mirai/utils/ExternalImageJvm.kt +1 -1

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--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/ExternalImageJvm.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/ExternalImageJvm.kt
@@ -37,7 +37,7 @@ import javax.imageio.ImageIO
 */
 @JvmOverloads
 @Throws(IOException::class)
-fun BufferedImage.toExternalImage(formatName: String = "gif"): ExternalImage {
+fun BufferedImage.toExternalImage(formatName: String = "png"): ExternalImage {
    val file = createTempFile().apply { deleteOnExit() }

    val digest = MessageDigest.getInstance("md5")