imagecolorsforindex	imagecolortransparent

	Last updated: Fri, 22 Jun 2007

imagecolorstotal

(PHP 3, PHP 4 , PHP 5)

imagecolorstotal -- 取得一幅图像的调色板中颜色的数目

说明

int imagecolorstotal ( resource image)

本函数返回指定图像的调色板中的颜色数目。

参见 imagecolorat() 和 imagecolorsforindex()。

add a note User Contributed Notes
imagecolorstotal

mgi at humbug dot net
16-Jul-2003 01:54

I would assume that since it says "number of colors in an image's
palette" that the behaviour is undefined for non-paletted image types
(for example, JPEG). It would probably only make sense to use it for 256
(8-bit) indexed images.

add a note

imagecolorsforindex	imagecolortransparent

	Last updated: Fri, 22 Jun 2007

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