ej.fp.widget.display.brs

Interface BufferRefreshStrategy

All Known Implementing Classes:

LegacyRefreshStrategy, PredrawRefreshStrategy, SingleRefreshStrategy

public interface BufferRefreshStrategy

The buffer refresh strategy (or BRS) is responsible of refreshing the display and restoring the data of the front buffer to the back buffer.

Method Summary

Modifier and Type	Method and Description
void	newDrawingRegion(DisplayBufferManager bufferManager, ej.microui.display.Rectangle rectangle, boolean drawingNow) Notifies that a region will be modified by the application in the display back buffer.
void	refresh(DisplayBufferManager bufferManager) Refreshes the display by calling DisplayBufferManager#flush(ej.fp.widget.display.Rectangle[]).
void	setBufferCount(int bufferCount) Sets the number of buffers.
void	setDisplaySize(int width, int height) Sets the display size.

Method Detail

setBufferCount

void setBufferCount(int bufferCount)

Sets the number of buffers.

Parameters:

bufferCount - the number of buffers.

setDisplaySize

void setDisplaySize(int width,
                    int height)

Sets the display size.

Parameters:

width - the width of the display.

height - the height of the display.

newDrawingRegion

void newDrawingRegion(DisplayBufferManager bufferManager,
                      ej.microui.display.Rectangle rectangle,
                      boolean drawingNow)

Notifies that a region will be modified by the application in the display back buffer.

The implementation can perform some drawings.

Called when a drawing is done or when the user declares a dirty region.

Parameters:

bufferManager - the display buffer manager.

rectangle - the drawing region.

drawingNow - true if a drawing is following this call, false otherwise.

See Also:

LLUIDisplayImpl.newDrawingRegion(int, int, int, int, boolean)

refresh

void refresh(DisplayBufferManager bufferManager)

Refreshes the display by calling DisplayBufferManager#flush(ej.fp.widget.display.Rectangle[]).

Parameters:

bufferManager - the display buffer manager.