imagecolorexact
(PHP 4, PHP 5)
imagecolorexact — Get the index of the specified color
설명
int imagecolorexact
( resource $image
, int $red
, int $green
, int $blue
)
Returns the index of the specified color in the palette of the image.
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.
매개변수
- font
-
내장 글꼴 1, 2, 3, 4, 5(큰 숫자가 큰 글꼴)나 imageloadfont()로 등록한 글꼴 식별자를 사용할 수 있습니다.
- red
-
Value of red component
- green
-
Value of green component
- blue
-
Value of blue component
반환값
Returns the index of the specified color in the palette, or -1 if the color does not exist.