Java Doc for GameCanvasLFImpl.java in  » 6.0-JDK-Modules » j2me » com » sun » midp » lcdui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.midp.lcdui   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.sun.midp.lcdui.GameCanvasLFImpl GameCanvasLFImpl public class GameCanvasLFImpl (Code) This is the look & feel implementation for GameCanvas. Field Summary  GameCanvas owner      The owner of this view. Constructor Summary public   GameCanvasLFImpl(GameCanvas c)      Method Summary public  void drawBuffer(Graphics g)      public  void flushGraphics()      Flushes the off-screen buffer to the display. public  void flushGraphics(int x, int y, int width, int height)      Flushes the specified region of the off-screen buffer to the display. public  Graphics getGraphics()      Obtains the Graphics object for rendering a GameCanvas. public  int getKeyStates()      Gets the states of the physical game keys. public  void lCallSizeChanged(int w, int h)      Field Detail owner GameCanvas owner(Code) The owner of this view. Constructor Detail GameCanvasLFImpl public GameCanvasLFImpl(GameCanvas c)(Code) Create new implementation instance for the given GameCanvas Parameters:   c - GameCanvas instance to create the implementation for Method Detail drawBuffer public void drawBuffer(Graphics g)(Code) Render the off-screen buffer content to the Graphics object Parameters:   g - the Graphics object to render off-screen buffer content flushGraphics public void flushGraphics()(Code) Flushes the off-screen buffer to the display. The size of the flushed area is equal to the size of the GameCanvas. flushGraphics public void flushGraphics(int x, int y, int width, int height)(Code) Flushes the specified region of the off-screen buffer to the display. Parameters:   x - the left edge of the region to be flushed Parameters:   y - the top edge of the region to be flushed Parameters:   width - the width of the region to be flushed Parameters:   height - the height of the region to be flushed getGraphics public Graphics getGraphics()(Code) Obtains the Graphics object for rendering a GameCanvas. The returned Graphics object renders to the off-screen buffer belonging to this GameCanvas. IMPL_NOTE: The dimensions of the Graphics object are explicitly set to GameCanvas size, since off-screen buffer larger than GameCanvas can be used, while some JSR clients need to translate the coordinates regarding the GameCanvas size. Anyway if GameCanvas has zero width or height, the Graphics dimensions are set to entire off-screen buffer. the Graphics object that renders to current GameCanvas getKeyStates public int getKeyStates()(Code) Gets the states of the physical game keys. An integer containing the key state information (one bit perkey), or 0 if the GameCanvas is not currently shown. lCallSizeChanged public void lCallSizeChanged(int w, int h)(Code) Handle screen size change event to update internal state of the GameCanvas accordingly Parameters:   w - new screen width Parameters:   h - new screen height Methods inherited from java.lang.Object public boolean equals(Object obj)(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)