(PHP 5, PHP 7) Applies a filter to an image bool

(PHP 4 >= 4.3.2, PHP 5, PHP 7) Set the flag to save full alpha channel information (as opposed to single-color

(PHP 5 >= 5.1.0, PHP 7) Apply a 3x3 convolution matrix, using coefficient and offset

(PHP 5 >= 5.5.0, PHP 7) Set the interpolation method

(PHP 4, PHP 5, PHP 7) Parse a binary IPTC block into single tags.

(PHP 4, PHP 5) Load a PostScript Type 1 font from file

(PHP 4, PHP 5, PHP 7) Give the bounding box of a text using TrueType fonts

(PHP 4, PHP 5) Give the bounding box of a text rectangle using PostScript Type1 fonts

(PHP 4, PHP 5, PHP 7) De-allocate a color for an image

(PHP 4 >= 4.0.7, PHP 5, PHP 7) Write text to the image using fonts using FreeType 2