Extracted from Pike v7.8 release 866 at 2016-11-06.
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Image
Image.Layer

Methods
 alpha()
 alpha_value()
 autocrop()
 available_modes()
 cast()
 clone()
 create()
 crop()
 description()
 fill()
 fill_alpha()
 find_autocrop()
 get_misc_value()
 image()
 mode()
 set_alpha_value()
 set_fill()
 set_image()
 set_misc_value()
 set_mode()
 set_offset()
 set_tiled()
 tiled()
 xoffset()
 xsize()
 yoffset()
 ysize()
previousImage.Layer()->mode()
Image.Layer()->set_fill()next

Method Image.Layer()->set_alpha_value()

Method set_alpha_value

object set_alpha_value(float value)
float alpha_value()

Description

Set/get the general alpha value of this layer. This is a float value between 0 and 1, and is multiplied with the alpha channel.