Package WildMagic.LibApplications.OpenGLApplication

Class JavaApplication2D

java.lang.Object

WildMagic.LibApplications.OpenGLApplication.Application

WildMagic.LibApplications.OpenGLApplication.JavaApplication

WildMagic.LibApplications.OpenGLApplication.JavaApplication2D

All Implemented Interfaces:

java.awt.event.KeyListener, java.io.Serializable, java.util.EventListener

public abstract class JavaApplication2D
extends JavaApplication
implements java.io.Serializable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected byte[]	m_akFlipScreen	For right-handed drawing.
protected byte[]	m_akScreen	Screen polygon
protected boolean	m_bClampToWindow	Screen wraps or is clamped
protected boolean	m_bFlipScreen	Set to true to flip the screen:
protected int	m_iScrHeight	Screen width, height
protected int	m_iScrWidth	Screen width, height
private static long	serialVersionUID

Fields inherited from class WildMagic.LibApplications.OpenGLApplication.JavaApplication

m_acWindowTitle, m_eBuffering, m_eDepth, m_eFormat, m_eMultisampling, m_eStencil, m_iHeight, m_iWidth, m_iXPosition, m_iYPosition, m_kBackgroundColor, m_pkRenderer

Constructor Summary

Constructors

Constructor	Description
JavaApplication2D(java.lang.String acWindowTitle, int iXPosition, int iYPosition, int iWidth, int iHeight, ColorRGBA rkBackgroundColor)	Constructs a 2D application.

Method Summary

Modifier and Type	Method	Description
boolean	ClampToWindow()	Returns if the Screen wraps or is clamped
void	ClearScreen()	Clears the screen polygon.
void	dispose()	Delete memory.
void	DoFlip(boolean bDoFlip)	For right-handed drawing.
void	DrawCircle(int iXCenter, int iYCenter, int iRadius, ColorRGB kColor, boolean bSolid)	Draw a circle centered at iXCenter, iYCenter
void	DrawLine(int iX0, int iY0, int iX1, int iY1, ColorRGB kColor)	Draw a line from (iX0,iY0) to (iX1,iY1).
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).
void	Fill(int iX, int iY, ColorRGB kFColor, ColorRGB kBColor)	Flood fill operation.
ColorRGB	GetPixel(int iX, int iY)	Returns the pixel color at the specified location.
protected int	Index(int iX, int iY)	left-handed screen coordinates
protected int	IndexFlip(int iX, int iY)	right-handed screen coordinates
void	OnDisplay()	Display event callback.
boolean	OnInitialize()	Initialize event callback.
void	OnResize(int iWidth, int iHeight)	Resize event callback.
void	OnTerminate()	Terminate event callback.
void	ScreenOverlay()	Allows you to do additional drawing after the screen polygon is drawn.
void	SetPixel(int iX, int iY, ColorRGB kColor)	Sets the pixel color.
void	SetThickPixel(int iX, int iY, int iThick, ColorRGB kColor)	Sets a thick pixel color.

Methods inherited from class WildMagic.LibApplications.OpenGLApplication.JavaApplication

GetAspectRatio, GetHeight, GetRenderer, GetWidth, GetWindowTitle, GetXPosition, GetYPosition, keyPressed, keyReleased, keyTyped, OnIdle, OnMove, OnPrecreate, SetRenderer

Methods inherited from class WildMagic.LibApplications.OpenGLApplication.Application

reloadShaders, TestStreaming

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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.