Method Image.PNG.__decode()
- Method __decode
array __decode(string data)
array __decode(string data, int dontcheckcrc)- Description
Splits a PNG file into chunks.
- Returns
Result is an array of arrays, or 0 if data isn't a PNG file. Each element in the array is constructed as follows.
Array string 0 The type of the chunk, e.g. "IHDR" or "IDAT".
string 1 The actual chunk data.
bool 2 Set to 1 if the checksum is ok and dontcheckcrc isn't set.
- Note
Please read about the PNG file format. Support for decoding cHRM, gAMA, sBIT, hIST, pHYs, tIME, tEXt and zTXt chunks are missing.