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[html5]Image.__isJPG/__isPNG/__isGIF function fix

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utibenkei
2014-12-12 01:03:08 +09:00
parent e1af2e2353
commit 15c4c7d1f3
1 changed files with 5 additions and 5 deletions
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10
lime/graphics/Image.hx
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@@ -971,7 +971,7 @@ class Image {
private static function __isJPG (bytes:ByteArray) {
bytes.position = 0;
return bytes.readByte () == 0xFF && bytes.readByte () == 0xD8;
return bytes.readUnsignedByte () == 0xFF && bytes.readUnsignedByte () == 0xD8;
}
@@ -979,7 +979,7 @@ class Image {
private static function __isPNG (bytes:ByteArray) {
bytes.position = 0;
return (bytes.readByte () == 0x89 && bytes.readByte () == 0x50 && bytes.readByte () == 0x4E && bytes.readByte () == 0x47 && bytes.readByte () == 0x0D && bytes.readByte () == 0x0A && bytes.readByte () == 0x1A && bytes.readByte () == 0x0A);
return (bytes.readUnsignedByte () == 0x89 && bytes.readUnsignedByte () == 0x50 && bytes.readUnsignedByte () == 0x4E && bytes.readUnsignedByte () == 0x47 && bytes.readUnsignedByte () == 0x0D && bytes.readUnsignedByte () == 0x0A && bytes.readUnsignedByte () == 0x1A && bytes.readUnsignedByte () == 0x0A);
}
@@ -987,10 +987,10 @@ class Image {
bytes.position = 0;
if (bytes.readByte () == 0x47 && bytes.readByte () == 0x49 && bytes.readByte () == 0x46 && bytes.readByte () == 38) {
if (bytes.readUnsignedByte () == 0x47 && bytes.readUnsignedByte () == 0x49 && bytes.readUnsignedByte () == 0x46 && bytes.readUnsignedByte () == 0x38) {
var b = bytes.readByte ();
return ((b == 7 || b == 9) && bytes.readByte () == 0x61);
var b = bytes.readUnsignedByte ();
return ((b == 0x37 || b == 0x39) && bytes.readUnsignedByte () == 0x61);
}