Field Detail

• serialVersionUID

  private static final long serialVersionUID

  See Also:

  Constant Field Values

• m_iScrWidth

  protected int m_iScrWidth

  Screen width, height

• m_iScrHeight

  protected int m_iScrHeight

  Screen width, height

• m_akScreen

  protected byte[] m_akScreen

  Screen polygon

• m_bClampToWindow

  protected boolean m_bClampToWindow

  Screen wraps or is clamped

• m_bFlipScreen

  protected boolean m_bFlipScreen

  Set to true to flip the screen:

• m_akFlipScreen

  protected byte[] m_akFlipScreen

  For right-handed drawing. The array m_akScreen is copied to m_akFlipScreen so that the rows are reversed.

Constructor Detail

• JavaApplication2D

  public JavaApplication2D​(java.lang.String acWindowTitle,
                           int iXPosition,
                           int iYPosition,
                           int iWidth,
                           int iHeight,
                           ColorRGBA rkBackgroundColor)

  Constructs a 2D application.

  Parameters:

  acWindowTitle - the window title

  iXPosition - window screen x-position

  iYPosition - window screen y-position

  iWidth - window width

  iHeight - window height

  rkBackgroundColor - background color

Method Detail

• ClampToWindow

  public boolean ClampToWindow()

  Returns if the Screen wraps or is clamped

  Returns:

  true if the Screen is clamped, false if it wraps.

• ClearScreen

  public void ClearScreen()

  Clears the screen polygon.

• dispose

  public void dispose()

  Delete memory.

  Overrides:

  dispose in class JavaApplication

• DoFlip

  public void DoFlip​(boolean bDoFlip)

  For right-handed drawing. You need only call DoFlip(true) once for an application. The default is 'false'.

  Parameters:

  bDoFlip - sets the flip screen flag.

• DrawCircle

  public void DrawCircle​(int iXCenter,
                         int iYCenter,
                         int iRadius,
                         ColorRGB kColor,
                         boolean bSolid)

  Draw a circle centered at iXCenter, iYCenter

  Parameters:

  iXCenter - center x-position

  iYCenter - center y-position

  iRadius - circle radius

  kColor - color.

  bSolid - when true the circle is solid, when false it is an outline.

• DrawLine

  public void DrawLine​(int iX0,
                       int iY0,
                       int iX1,
                       int iY1,
                       ColorRGB kColor)

  Draw a line from (iX0,iY0) to (iX1,iY1).

  Parameters:

  iX0 - start x-location.

  iY0 - start y-location.

  iX1 - end x-location.

  iY1 - end y-location.

  kColor - line color.

• DrawRectangle

  public void DrawRectangle​(int iXMin,
                            int iYMin,
                            int iXMax,
                            int iYMax,
                            ColorRGB kColor,
                            boolean bSolid)

  Draw a rectangle with lower-left corner (iXMin,iYMin) and upper-right corner (iXMax,iYMax).

  Parameters:

  iXMin - lower-left corner x-position

  iYMin - lower-left corner y-position

  iXMax - upper-right corner x-position

  iYMax - upper-right corner y-position

  kColor - color.

  bSolid - when true the rectangle is solid, when false it is an outline.

• Fill

  public void Fill​(int iX,
                   int iY,
                   ColorRGB kFColor,
                   ColorRGB kBColor)

  Flood fill operation.

  Parameters:

  iX - start x-coordinate in pixels

  iY - start y-coordinate in pixels

  kFColor - the fill color.

  kBColor - the back-ground color.

• GetPixel

  public ColorRGB GetPixel​(int iX,
                           int iY)

  Returns the pixel color at the specified location.

  Parameters:

  iX - pixel x-location.

  iY - pixel y-location.

  Returns:

  the new pixel color.

• OnDisplay

  public void OnDisplay()

  Display event callback.

  Overrides:

  OnDisplay in class JavaApplication

• OnInitialize

  public boolean OnInitialize()

  Initialize event callback.

  Overrides:

  OnInitialize in class JavaApplication

  Returns:

  true if successful initialization, false otherwise.

• OnResize

  public void OnResize​(int iWidth,
                       int iHeight)

  Resize event callback.

  Overrides:

  OnResize in class JavaApplication

  Parameters:

  iWidth - new window width

  iHeight - new window height

• OnTerminate

  public void OnTerminate()

  Terminate event callback.

  Overrides:

  OnTerminate in class JavaApplication

• ScreenOverlay

  public void ScreenOverlay()

  Allows you to do additional drawing after the screen polygon is drawn.

• SetPixel

  public void SetPixel​(int iX,
                       int iY,
                       ColorRGB kColor)

  Sets the pixel color.

  Parameters:

  iX - pixel x-location.

  iY - pixel y-location.

  kColor - new pixel color.

• SetThickPixel

  public void SetThickPixel​(int iX,
                            int iY,
                            int iThick,
                            ColorRGB kColor)

  Sets a thick pixel color.

  Parameters:

  iX - pixel x-location.

  iY - pixel y-location.

  iThick - pixel thickness.

  kColor - new pixel color.

• Index

  protected int Index​(int iX,
                      int iY)

  left-handed screen coordinates

  Parameters:

  iX - screen coordinate

  iY - screen coordinate

  Returns:

  left-handed screen coordinates.

• IndexFlip

  protected int IndexFlip​(int iX,
                          int iY)

  right-handed screen coordinates

  Parameters:

  iX - screen coordinate

  iY - screen coordinate

  Returns:

  right-handed screen coordinates.