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Website Programming in PHP / MYSQL
imagecolorresolve
(PHP 4, PHP 5)
imagecolorresolve — Get the index of the specified color or its closest possible alternative
Description
int imagecolorresolve
( resource $image
, int $red
, int $green
, int $blue
)
This function is guaranteed to return a color index for a requested color, either the exact color or the closest possible alternative.
If you created the image from a file, only colors used in the image are resolved. Colors present only in the pallete are not resolved.
Parameters
- image
-
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
- red
-
Value of red component
- green
-
Value of green component
- blue
-
Value of blue component
Return Values
Returns a color index.
