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Image (old)

 An interactive image.

An image is a 2D element that displays a simple image, read from disk, at given coordinates of the parent drawing or plotting panel.

Object wrapped

The object wrapped by this element is of the class org.opensourcephysics.displayejs.Image. The class has been designed to control all of its features through properties, so there is no need to use directly any of the object methods.

Useful methods

• (This list deliberately left empty.)

Properties

Image
Position and Size
Name	Description	Values accepted	Default
X	The X coordinate for the element.	A constant or variable of type double or int.
Y	The Y coordinate for the element.	A constant or variable of type double or int.
Size X	The size of the element in the X direction.	A constant or variable of type double or int.
Size Y	The size of the element in the Y direction.	A constant or variable of type double or int.
Scale X	The scale factor for the element in the X direction.	A constant or variable of type double or int.
Scale Y	The scale factor for the element in the Y direction.	A constant or variable of type double or int.
Visibility and Interaction
Name	Description	Values accepted	Default
Visible	The visibility of the element.	A boolean variable or one of the constants true or false.
Draggable	Whether the element can be moved.	A boolean variable or one of the constants true or false.
Resizable	Whether the element can be resized.	A boolean variable or one of the constants true or false.
Sensitivity	The size of the hot spot (in pixels).	A constant or variable of type int, 0 makes the full particle the hot spot.
On Press	The action to invoke when the element is pressed.	The Java code to invoke for the action.
On Drag	The action to invoke when the element is dragged.	The Java code to invoke for the action.
On Release	The action to invoke when the element is released.	The Java code to invoke for the action.
On Enter	The action to invoke when the mouse enters the element.	The Java code to invoke for the action.
On Exit	The action to invoke when the mouse leaves the element.	The Java code to invoke for the action.
Graphical Aspect
Name	Description	Values accepted	Default
Image	Provides a frame to display an image	File on disk containing the image to display
Position	Position of the image relative to the container	Java predefined constants for position (CENTER, NORTH, …)
Rotate	Angle to display the image with, relative to horizontal	Sexagesimal value of the angle (90º for perpendicular)