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rectangle

A canvas rectangle item. (in gnoclCanvas)

Synopsis

canvasId create rectangle [-option value...]

Options

-centerRadius
type: boolean (default: 0)
Whether the coordinates are a list of the top left and bottom right points, or a list of the coordinates of the centre plus a radius.
-coords
type: list-of-floats
List of 4 (x1, y1, x2, y2) or, if centerRadius is set, 3 (centerX, centerY, radius) coordinates
-dash
type: list (default: "")
Dash pattern used for this item. The list must contain an even number of integer. The odd elements of this list give the length in pixel of the line segments, the even elements give the length of the space between these line segments.
-fill
type: color with transparency (default: black)
Fill color of the rectangle. The empty string means unfilled.
-tags
type: list (default: "")
List of tags to be associated with this item. A tag must start with a alphabetic character which is followed by zero or more alphabetic or numeric characters.
-onButtonPress
type: string (default: "")
Tcl command which is executed if a mouse button is press inside the item. Before evaluation the following percent strings are substituted:
%w    canvas name
%i    item id
%t    type of event: one of buttonPress, button2Press or button3Press
%x    x coordinate
%y    y coordinate
%b    button number
%s    state of the buttons and modifiers (bitmask)
-onButtonRelease
type: string (default: "")
Tcl command which is executed if a mouse button is released if it has been pressed inside the item. Before evaluation the following percent strings are substituted:
%w    canvas name
%i    item id
%t    type of event: always buttonRelease
%x    x coordinate
%y    y coordinate
%b    button number
%s    state of the buttons and modifiers (bitmask)
-onEnter
type: string (default: "")
Tcl command which is executed if a mouse enters the item. Before evaluation the following percent strings are substituted:
%w    canvas name
%i    item id
%x    x coordinate
%y    y coordinate
%s    state of the buttons and modifiers (bitmask)
-onLeave
type: string (default: "")
Tcl command which is executed if a mouse enters the item. Before evaluation the following percent strings are substituted:
%w    canvas name
%i    item id
%x    x coordinate
%y    y coordinate
%s    state of the buttons and modifiers (bitmask)
-onMotion
type: string (default: "")
Tcl command which is executed if the mouse is moved inside the item. Before evaluation the following percent strings are substituted:
%w    canvas name
%i    item id
%x    coordinate
%y    y coordinate
%s    state of the buttons and modifiers (bitmask)
-parent
type: tag-or-id
This option sets the parent of the item. The parent must be a clipGroup item, which implements clipping for its children.
-outline
type: color with transparancy (default: black)
Outline color of the rectangle.
-width
type: float
Width of the outline.

Description

A rectangle is define either by its top left and bottom right points, or by its center point and a radius. The rectangle can be filled, or only outlined.

See also



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