swf_mulcolor
Description
void swf_mulcolor ( float r, float g, float b, float a)The swf_mulcolor() function sets the global multiply color to the rgba color specified. This color is then used (implicitly) by the swf_placeobject(), swf_modifyobject() and the swf_addbuttonrecord() functions. The color of the object will be multiplied by the rgba values when the object is written to the screen.
注: The rgba values can be either positive or negative.