static byte[] PNG_MAGIC = bytesFromHex("89504E470D0A1A0A"); static bool isPNG(byte[] data) { if (data.length < PNG_MAGIC.length) return false; for (int i = 0; i < PNG_MAGIC.length; i++) if (data[i] != PNG_MAGIC[i]) false; true; } static bool isPNG(File f) { ret isPNG(loadFirstBytes(f, l(PNG_MAGIC)); }
Began life as a copy of #1003863
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Snippet ID: | #1004676 |
Snippet name: | isPNG |
Eternal ID of this version: | #1004676/2 |
Text MD5: | c7cc3816fc78c4e05595ea18705bf86b |
Author: | stefan |
Category: | javax |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2018-03-25 13:51:11 |
Source code size: | 334 bytes / 13 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 540 / 593 |
Version history: | 1 change(s) |
Referenced in: | #1006654 - Standard functions list 2 (LIVE, continuation of #761) #1009031 - isJPEG - tests using magic bytes #1026783 - firstBytesOfFileAre |