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Use the first 3 bytes for jpeg

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This commit is contained in:
len 2017-02-02 23:44:25 +01:00
parent 89940677cc
commit b66f06d9dc
1 changed files with 3 additions and 9 deletions
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10
app/src/main/java/eu/kanade/tachiyomi/util/DiskUtil.kt
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@ -19,10 +19,10 @@ object DiskUtil {
return contentType?.startsWith("image/") ?: false return contentType?.startsWith("image/") ?: false
} }
fun findImageMime(openStream: (() -> InputStream)): String? { fun findImageMime(openStream: () -> InputStream): String? {
try { try {
openStream().buffered().use { openStream().buffered().use {
val bytes = ByteArray(11) val bytes = ByteArray(8)
it.mark(bytes.size) it.mark(bytes.size)
val length = it.read(bytes, 0, bytes.size) val length = it.read(bytes, 0, bytes.size)
it.reset() it.reset()
@ -35,13 +35,7 @@ object DiskUtil {
&& bytes[6] == 0x1A.toByte() && bytes[7] == 0x0A.toByte()) { && bytes[6] == 0x1A.toByte() && bytes[7] == 0x0A.toByte()) {
return "image/png" return "image/png"
} else if (bytes[0] == 0xFF.toByte() && bytes[1] == 0xD8.toByte() && bytes[2] == 0xFF.toByte()) { } else if (bytes[0] == 0xFF.toByte() && bytes[1] == 0xD8.toByte() && bytes[2] == 0xFF.toByte()) {
if (bytes[3] == 0xE0.toByte() || bytes[3] == 0xE1.toByte() && bytes[6] == 'E'.toByte()
&& bytes[7] == 'x'.toByte() && bytes[8] == 'i'.toByte()
&& bytes[9] == 'f'.toByte() && bytes[10] == 0.toByte()) {
return "image/jpeg" return "image/jpeg"
} else if (bytes[3] == 0xEE.toByte()) {
return "image/jpg"
}
} else if (bytes[0] == 'W'.toByte() && bytes[1] == 'E'.toByte() && bytes[2] == 'B'.toByte() && bytes[3] == 'P'.toByte()) { } else if (bytes[0] == 'W'.toByte() && bytes[1] == 'E'.toByte() && bytes[2] == 'B'.toByte() && bytes[3] == 'P'.toByte()) {
return "image/webp" return "image/webp"
} }