API Class ImageCropOverlayItem

API Class: ImageCropOverlayItem

Interactive crop overlay used to define rotated crop state.

Source

• Module: icescopy_image_edit
• File: src/icescopy_image_edit.py
• Line: 656

Inheritance

• Bases: QGraphicsObject

Purpose

Interactive crop overlay used to define rotated crop state.

Class Variables

Variable	Line	Explanation
cropChanged	657	Stores crop changed.
cropChangeFinished	658	Stores crop change finished.
HANDLE_RADIUS	660	Radius value for handle radius.
EDGE_HIT_WIDTH	661	Geometry value for edge hit width.
ROTATE_HANDLE_RADIUS	662	Radius value for rotate handle radius.
ROTATE_HANDLE_DISTANCE	663	Stores rotate handle distance.
MIN_SIZE	664	Size value for min size.

Instance Attributes

Attribute	First assigned in	Line	Explanation
_crop_state	__init__	669	State bundle for crop state.
_drag_corner_index	__init__	677	Zero-based index for drag corner index.
_drag_mode	__init__	676	Mode value for drag mode.
_image_rect	__init__	668	Stores image rect.
_press_pos	__init__	678	Stores press pos.
_start_state	__init__	679	State bundle for start state.

Methods

General

Method	Line	Explanation
__init__(parent=None)	666	Initializes the instance.
boundingRect()	691	Implements bounding rect.
_crop_polygon()	695	Implements crop polygon.
_corner_points_for_state(state)	698	Implements corner points for state.
_basis_vectors()	701	Implements basis vectors.
_corner_points()	707	Implements corner points.
_edge_midpoints_for_state(state)	710	Implements edge midpoints for state.
_edge_segments_for_state(state)	719	Implements edge segments for state.
_point_to_segment_distance(point, segment_start, segment_end)	728	Implements point to segment distance.
_interaction_for_pos(local_pos)	747	Implements interaction for pos.
_set_cursor_for_interaction(interaction)	758	Implements set cursor for interaction.

Interaction and commands

Method	Line	Explanation
_rotation_handle_point()	741	Implements rotation handle point.

Qt event handlers

Method	Line	Explanation
hoverMoveEvent(event)	772	Implements hover move event.
hoverLeaveEvent(event)	776	Qt hover-leave event handler.
mousePressEvent(event)	780	Qt mouse-press event handler.
mouseMoveEvent(event)	799	Qt mouse-move event handler.
mouseReleaseEvent(event)	863	Qt mouse-release event handler.
paint(painter, option, widget)	871	Implements paint.

Refresh and sync

Method	Line	Explanation
sync_from_state(image_rect, crop_state)	684	Synchronizes from state.