php Programming Glossary: imagefilter

How do you convert an image to black and white in PHP

http://stackoverflow.com/questions/254388/how-do-you-convert-an-image-to-black-and-white-in-php

greyscale but every pixel made black or white php image imagefilter share improve this question Simply round the grayscale color..

Converting pdf files to txt files with php

http://stackoverflow.com/questions/324436/converting-pdf-files-to-txt-files-with-php

Can I swap colors in image using GD library in PHP?

http://stackoverflow.com/questions/456044/can-i-swap-colors-in-image-using-gd-library-in-php

it possible to achieve with GD and PHP php colors gd swap imagefilter share improve this question This will replace the white..

Colorizing and swapping colors with PHP GD Image Library?

http://stackoverflow.com/questions/717686/colorizing-and-swapping-colors-with-php-gd-image-library

type image jpeg' im imagecreatefromjpeg 'test.jpg' imagefilter im IMG_FILTER_GRAYSCALE imagefilter im IMG_FILTER_CONTRAST 255.. 'test.jpg' imagefilter im IMG_FILTER_GRAYSCALE imagefilter im IMG_FILTER_CONTRAST 255 imagefilter im IMG_FILTER_NEGATE.. imagefilter im IMG_FILTER_CONTRAST 255 imagefilter im IMG_FILTER_NEGATE imagefilter im IMG_FILTER_COLORIZE 252..