How convert RGBA to HEX6 color code in PHP?
I want to convert an RGBA value to HEX in PHP. I have found good help for RGB to HEX (e.g. Convert RGB to hex color values in PHP). Now I have made an attempt to change the A value…
PNG processing WITHOUT Image Magick and imagefrompng() – Photoshop
I need to change each hue of yellow to blue, and each hue of dark gray to light gray in PNG images with transparency. The problem is: I can't use Photoshop, because I have 100 images, and I need to…