Examples - Adding a text watermark

Output	Input

`<?php exec("convert earth.jpg -pointsize 70 -font jd.ttf -fill rgba\(0,0,0,0.4\) \\ -gravity center -annotate +0+0 \"Rubblewebs\" transparent_text.jpg "); ?>`

Code	Result
earth.jpg Image to read into memory and modifed -pointsize 70 The size of the font -font jd.ttf The font to use. This can be the path to a font or the name of a font installed with ImageMagick. A built in font will not need the extension e.g. -font Helvetica -fill rgba\(0,0,0,0.4\) The colour of the font. In this case it will be a RGB colour ( Black ) using the alpha channel to make it partialy transparent. The first 3 numbers are the red, green, blue and the 4th is the transparency. Note: For other colour specifications see the information here. The ( ) need escaping with \ -gravity center The position of the text on the background. -annotate +0+0 \"Rubblewebs\" The +0+0 is any offset required from the position set with -gravity and the message to be written. The message must be contained within a pair of " and these need escaping with \ transparent_text.jpg "); The name/path to save the final image as

Code

Result

earth.jpg Image to read into memory and modifed
-pointsize 70 The size of the font
-font jd.ttf The font to use. This can be the path to a font or the name of a font installed with ImageMagick. A built in font will not need the extension e.g. -font Helvetica
-fill rgba\(0,0,0,0.4\) The colour of the font. In this case it will be a RGB colour ( Black ) using the alpha channel to make it partialy transparent. The first 3 numbers are the red, green, blue and the 4th is the transparency.

Note: For other colour specifications see the information here.
The ( ) need escaping with \
-gravity center The position of the text on the background.
-annotate +0+0 \"Rubblewebs\" The +0+0 is any offset required from the position set with -gravity and the message to be written. The message must be contained within a pair of " and these need escaping with \
transparent_text.jpg "); The name/path to save the final image as