VisuFbFrameSwipingHelper (FB)

FUNCTION_BLOCK VisuFbFrameSwipingHelper

Helper class for the frame that handles the painting of preview visus. It basically works as a state machine indicating which visu has to be drawn: NORMAL => Just the main frame visu BEFORE => The previous frame visu should be drawn AFTER => The next frame visu should be drawn When all preview visus have been painted, the state switches back to NORMAL.

Properties:

ClientSupportsPreview

LastIndex

State

Methods:

paintCycle

Structure:

• VisuFbFrameSwipingHelper.ClientSupportsPreview (PROP)
• VisuFbFrameSwipingHelper.LastIndex (PROP)
• VisuFbFrameSwipingHelper.State (PROP)
• VisuFbFrameSwipingHelper.paintCycle (METH)