CanvasMixin¶

class ginga.canvas.CanvasMixin.CanvasMixin[source]¶

Bases: object

A CanvasMixin is combined with the CompoundMixin to make a tag-addressible canvas-like interface. This mixin should precede the CompoundMixin in the inheritance (and so, method resolution) order.

Methods Summary

`add`(obj[, tag, tagpfx, belowThis, redraw])
`deleteAllObjects`([redraw])
`deleteObject`(obj[, redraw])
`deleteObjectByTag`(tag[, redraw])
`deleteObjects`(objects[, redraw])
`deleteObjectsByTag`(tags[, redraw])
`delete_all_objects`([redraw])
`delete_object`(obj[, redraw])
`delete_object_by_tag`(tag[, redraw])
`delete_objects`(objects[, redraw])
`delete_objects_by_tag`(tags[, redraw])
`getObjectByTag`(tag)
`getObjectsByTagpfx`(tagpfx)
`getTagsByTagpfx`(tagpfx)
`get_object_by_tag`(tag)
`get_objects_by_tag_pfx`(tagpfx)
`get_tags`()
`get_tags_by_tag_pfx`(tagpfx)
`has_tag`(tag)
`lookup_object_tag`(obj)
`lowerObjectByTag`(tag[, belowThis, redraw])
`lower_object_by_tag`(tag[, belowThis, redraw])
`raiseObjectByTag`(tag[, aboveThis, redraw])
`raise_object_by_tag`(tag[, aboveThis, redraw])
`redraw`([whence])
`subcanvas_updated_cb`(canvas, whence)	This is a notification that a subcanvas (a canvas contained in our canvas) has been modified.
`update_canvas`([whence])

Methods Documentation

add(obj, tag=None, tagpfx=None, belowThis=None, redraw=True)[source]¶

deleteAllObjects(redraw=True)¶

deleteObject(obj, redraw=True)¶

deleteObjectByTag(tag, redraw=True)¶

deleteObjects(objects, redraw=True)¶

deleteObjectsByTag(tags, redraw=True)¶

delete_all_objects(redraw=True)[source]¶

delete_object(obj, redraw=True)[source]¶

delete_object_by_tag(tag, redraw=True)[source]¶

delete_objects(objects, redraw=True)[source]¶

delete_objects_by_tag(tags, redraw=True)[source]¶

getObjectByTag(tag)¶

getObjectsByTagpfx(tagpfx)¶

getTagsByTagpfx(tagpfx)¶

get_object_by_tag(tag)[source]¶

get_objects_by_tag_pfx(tagpfx)[source]¶

get_tags()[source]¶

get_tags_by_tag_pfx(tagpfx)[source]¶

has_tag(tag)[source]¶

lookup_object_tag(obj)[source]¶

lowerObjectByTag(tag, belowThis=None, redraw=True)¶

lower_object_by_tag(tag, belowThis=None, redraw=True)[source]¶

raiseObjectByTag(tag, aboveThis=None, redraw=True)¶

raise_object_by_tag(tag, aboveThis=None, redraw=True)[source]¶

redraw(whence=3)[source]¶

subcanvas_updated_cb(canvas, whence)[source]¶: This is a notification that a subcanvas (a canvas contained in our canvas) has been modified. We in turn signal that our canvas has been modified.

update_canvas(whence=3)[source]¶