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< > BotCompany Repo | #1004676 // isPNG

JavaX fragment (include)

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));
}

Author comment

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