The imagetruecolortopalette() function is an inbuilt function in PHP which is used to convert a true color image to a palette image.
bool imagetruecolortopalette( $image, $dither, $ncolors )
Parameters: This function accepts three parameters as mentioned above and described below:
- $image: It is returned by one of the image creation functions, such as imagecreatetruecolor(). It is used to create size of image.
- $dither: It is the boolean value which indicate the image is dither. If it is True then dithering will be used which will result in a more speckled image but with better color approximation.
- $ncolors: This parameter contains the set of maximum number of colors that should be retained in the palette.
Return Value: This function returns True on success or False on failure.
Below programs illustrates the imagetruecolortopalette() function in PHP: