Method Image.Image()->sumf()

Method average
Method min
Method max
Method sum
Method sumf

array(float) average()
array(int) min()
array(int) max()
array(int) sum()
array(float) sumf()

Description

Gives back the average, minimum, maximum color value, and the sum of all pixel's color value.

Note

sum() values can wrap! Most systems only have 31 bits available for positive integers. (Meaning, be careful with images that have more than 8425104 pixels.)

average() and sumf() may also wrap, but on a line basis. (Meaning, be careful with images that are wider than 8425104 pixels.) These functions may have a precision problem instead, during to limits in the 'double' C type and/or 'float' Pike type.