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Analysis

Overview

Update the frame rotation user interface to support dragging of a halo to rotate the frame. Remove the discreet rotation buttons from the halo menu and remove the hud. Rotation will be around the topLeft corner of the frame for this task revision.

Task requirements

• Reduce the rotation halo menu to one button
• Change the icon of the halo rotation button to indicate it can be dragged
• Rotate around the topLeft corner of the frame (ie 0,0, so later when the coordinates change, the rotation works as expected)
• Make sure the halo button moves with the frame. Currently halos lay out around the unrotated bounding box enclosing the rotated frame
• Position the halo button at the bottom right corner of the frame, along a vector that extends from the topLeft corner, offset from the outside of the frame by 15,15 pixels (hard coded, changeable)

Task result

The result of this task is code

Implementation idea

• Model the dragging after the frame move halo button pattern
• Are halos currently rotated with the frame?

Related

• FRAME_ROTATION_R0

How to demo

^{(Provide instructions for demonstration of the task.)}

Design

• Define class FrameRotateButton:

public class FrameRotateButton extends MoveHaloButton {
	private static void defineSkin(ElementSkinPart part);
	public Prop<FrameRotateHaloMenu> parent();
	protected MouseCapture captureClick(MouseEvent e);
	protected boolean computeVisible();
	public Prop<PageWorkArea> workArea();
}

• Update FrameRotateHaloMenu

FrameRotateHaloMenu currently defines it's location as the topRIght of the selection bounds, but that is no longer valid. It should define

Implementation

^{(Describe and link the implementation results here (from the wiki or the repository).)}

Testing

^{(Place the testing results here.)}

Comments

Rotating Selection

We need to think about what rotation means for 3 selected frames, where does the halo go, where doe the rotation center, on the temporary group or on each frame, each rotating potentially differently (one topLeft, one center, one bottomRight?) I checked out pages, and while they do not have an onscreen rotation widget (it is in a palette), it sets the rotation of each object, thus if you select 3 boxes, which rotate on center, then change the rotation, they all spin at the same time, and are set to the same rotation. If we are to do this, we likely will need a non-rectangular selection, which will take more time, and then the effect on the other halo menus is in question - sriggins

Future Revisions

Put the discreet rotation buttons into the hud. Change the halo menu button to show the halo hud if single clicked. -sriggins