gimp_channel_new ()

gint32
gimp_channel_new (gint32 image_ID,
                  const gchar *name,
                  guint width,
                  guint height,
                  gdouble opacity,
                  const GimpRGB *color);

gimp_channel_new_from_component ()

gint32
gimp_channel_new_from_component (gint32 image_ID,
                                 GimpChannelType component,
                                 const gchar *name);

Since: GIMP 2.4

gimp_channel_copy ()

gint32
gimp_channel_copy (gint32 channel_ID);

gimp_channel_get_show_masked ()

gboolean
gimp_channel_get_show_masked (gint32 channel_ID);

gimp_channel_set_show_masked ()

gboolean
gimp_channel_set_show_masked (gint32 channel_ID,
                              gboolean show_masked);

gimp_channel_get_opacity ()

gdouble
gimp_channel_get_opacity (gint32 channel_ID);

gimp_channel_set_opacity ()

gboolean
gimp_channel_set_opacity (gint32 channel_ID,
                          gdouble opacity);

gimp_channel_get_color ()

gboolean
gimp_channel_get_color (gint32 channel_ID,
                        GimpRGB *color);

gimp_channel_set_color ()

gboolean
gimp_channel_set_color (gint32 channel_ID,
                        const GimpRGB *color);

gimp_channel_combine_masks ()

gboolean
gimp_channel_combine_masks (gint32 channel1_ID,
                            gint32 channel2_ID,
                            GimpChannelOps operation,
                            gint offx,
                            gint offy);