Programming Web Graphics with Perl and GNU Softwar

Layers and Channels

Table C-6. Creating, Manipulating, and Managing Layers and Channels

Name	Description	Arguments
gimp_channel_copy	Copy a channel	channel (Channel) The channel to copy Returns: Channel_copy (Channel) The newly copied channel
gimp_channel_delete	Delete a channel	channel (Channel) The channel to delete
gimp_channel_get_color	Get the compositing color of the specified channel	channel (Channel) The channel Returns: color (Color) The channel’s composite color
gimp_channel_get_name	Get the name of the specified channel	channel (Channel) The channel Returns: name (String) The channel name
gimp_channel_get_opacity	Get the opacity of the specified channel	channel (Channel) The channel Returns: opacity (Float) The channel opacity
gimp_channel_get_show_masked	Get the composite type for the channel	channel (Channel) The channel Returns: show_masked (Integer) composite method for channel
gimp_channel_get_visible	Get the visibility of the specified channel	channel (Channel) The channel Returns: visible (Integer) The channel visibility
gimp_channel_new	Create a new channel	image (Image) The image to which to add the channel width (Integer) The channel width (must be > 0) height (Integer) The channel height (must be > 0) name (String) The channel name opacity (Float) The channel opacity in the range 0 to 100 color (Color) The channel compositing color Returns: channel (Channel) The newly created channel
gimp_channel_ops_duplicate	Duplicate ...