org.tn5250j

Class GuiGraphicBuffer

java.lang.Object

org.tn5250j.GuiGraphicBuffer

All Implemented Interfaces:

ActionListener, PropertyChangeListener, EventListener, ScreenListener, ScreenOIAListener, SessionConfigListener

public class GuiGraphicBuffer
extends Object
implements ScreenOIAListener, ScreenListener, PropertyChangeListener, SessionConfigListener, ActionListener

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	GuiGraphicBuffer.Data

Field Summary

Fields

Modifier and Type	Field and Description
protected Rectangle	clipper
protected int	columnWidth
protected int	crossHair
protected boolean	hotSpots
protected int	rowHeight

Fields inherited from interface org.tn5250j.event.ScreenOIAListener

OIA_CHANGED_BELL, OIA_CHANGED_CLEAR_SCREEN, OIA_CHANGED_CURSOR, OIA_CHANGED_INPUTINHIBITED, OIA_CHANGED_INSERT_MODE, OIA_CHANGED_KEYBOARD_LOCKED, OIA_CHANGED_KEYS_BUFFERED, OIA_CHANGED_MESSAGELIGHT, OIA_CHANGED_SCRIPT

Constructor Summary

Constructors

Constructor and Description
GuiGraphicBuffer(Screen5250 screen, SessionPanel gui, SessionConfig config)

Method Summary

Modifier and Type	Method and Description
void	actionPerformed(ActionEvent actionevent) This is for blinking cursor but should be moved out
void	drawChar(Graphics2D g, int pos, int row, int col)
void	drawCursor(int row, int col)
void	drawImageBuffer(Graphics2D gg2d)
void	drawImageBuffer(Graphics2D gg2d, int x, int y, int width, int height)
Graphics2D	drawOIA() Draw the operator information area
protected GuiGraphicBuffer.Data	fillData(int startRow, int startCol, int endRow, int endCol)
void	getBoundingArea(Rectangle bounds) Fills the passed Rectangle with the starting row and column and width and height of the selected area. 1 BASED so column 1 row one is returned 1,1 If there is no area bounded then the full screen area is returned.
protected Color	getColor(char color, boolean background)
protected Color	getColorProperty(String prop)
Rectangle2D	getCommandLineArea()
Graphics2D	getDrawingArea() Returns a pointer to the graphics area that we can draw on
protected float	getFloatProperty(String prop)
int	getHeight()
int	getHeight(ImageObserver io)
BufferedImage	getImageBuffer(int width, int height)
Rectangle2D	getInsertIndicatorArea()
protected int	getIntProperty(String prop)
Rectangle2D	getKBIndicatorArea()
Rectangle2D	getMessageArea()
void	getPointFromRowCol(int r, int c, Point point) This will return the screen coordinates of a row and column.
int	getPosFromView(int x, int y)
Rectangle2D	getPositionArea()
Dimension	getPreferredSize()
int	getRowColFromPoint(int x, int y) Return the row column based on the screen x,y position coordinates It will calculate a 0,0 based row and column based on the screen point coordinate.
Rectangle2D	getScreenArea()
Rectangle2D	getScriptIndicatorArea()
Rectangle2D	getStatusArea()
protected String	getStringProperty(String prop)
Rectangle2D	getTextArea()
int	getWidth()
int	getWidth(ImageObserver io)
Graphics2D	getWritingArea(Font font) Returns a pointer to the graphics area that we can write on
boolean	isBlinkCursor()
boolean	isWithinScreenArea(int x, int y)
protected void	loadColors()
void	loadProps()
Rectangle	modelToView(int row, int col)
Rectangle	modelToView(int row, int col, Rectangle r)
void	onConfigChanged(SessionConfigEvent pce) Update the configuration settings
void	onOIAChanged(ScreenOIA changedOIA, int change)
void	onScreenChanged(int which, int sr, int sc, int er, int ec)
void	onScreenSizeChanged(int rows, int cols)
void	propertyChange(PropertyChangeEvent pce)
void	resize(int width, int height)
protected void	resizeScreenArea(int width, int height) Convinience method to resize the screen area such as when the parent frame is resized.
protected void	setProperty(String key, String val)
void	setUseAntialias(boolean antialiased)
Point	translateEnd(Point end) Translate the ending point of mouse movement to encompass a full character
Point	translateStart(Point start) Translate the starting point of mouse movement to encompass a full character
protected void	updateImage(int x, int y, int width, int height)
protected void	updateImage(Rectangle r)

Methods inherited from class java.lang.Object

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

Field Detail

columnWidth

protected int columnWidth

rowHeight

protected int rowHeight

crossHair

protected int crossHair

hotSpots

protected boolean hotSpots

clipper

protected Rectangle clipper

Constructor Detail

GuiGraphicBuffer

public GuiGraphicBuffer(Screen5250 screen,
                        SessionPanel gui,
                        SessionConfig config)

Method Detail

actionPerformed

public void actionPerformed(ActionEvent actionevent)

This is for blinking cursor but should be moved out

Specified by:

actionPerformed in interface ActionListener

isBlinkCursor

public boolean isBlinkCursor()

resize

public void resize(int width,
                   int height)

loadColors

protected final void loadColors()

loadProps

public void loadProps()

getStringProperty

protected final String getStringProperty(String prop)

getColorProperty

protected final Color getColorProperty(String prop)

getFloatProperty

protected final float getFloatProperty(String prop)

getIntProperty

protected final int getIntProperty(String prop)

setProperty

protected final void setProperty(String key,
                                 String val)

onConfigChanged

public void onConfigChanged(SessionConfigEvent pce)

Update the configuration settings

Specified by:

onConfigChanged in interface SessionConfigListener

Parameters:

pce - session configuration event

propertyChange

public void propertyChange(PropertyChangeEvent pce)

Specified by:

propertyChange in interface PropertyChangeListener

getPosFromView

public int getPosFromView(int x,
                          int y)

getRowColFromPoint

public int getRowColFromPoint(int x,
                              int y)

Return the row column based on the screen x,y position coordinates It will calculate a 0,0 based row and column based on the screen point coordinate.

Parameters:

x - screen x position

y - screen y position

Returns:

screen array position based 0,0 so position row 1 col 3 would be 2

getPointFromRowCol

public void getPointFromRowCol(int r,
                               int c,
                               Point point)

This will return the screen coordinates of a row and column.

Parameters:

r - row

c - column

point - just a point

isWithinScreenArea

public boolean isWithinScreenArea(int x,
                                  int y)

translateStart

public Point translateStart(Point start)

Translate the starting point of mouse movement to encompass a full character

Parameters:

start - a point to start

Returns:

Point translated point

translateEnd

public Point translateEnd(Point end)

Translate the ending point of mouse movement to encompass a full character

Parameters:

end - end point

Returns:

Point translated point

getBoundingArea

public void getBoundingArea(Rectangle bounds)

Fills the passed Rectangle with the starting row and column and width and height of the selected area. 1 BASED so column 1 row one is returned 1,1 If there is no area bounded then the full screen area is returned.

Parameters:

bounds - a rectangle

resizeScreenArea

protected final void resizeScreenArea(int width,
                                      int height)

Convinience method to resize the screen area such as when the parent frame is resized.

Parameters:

width - width of the screen

height - height of the screen

getPreferredSize

public final Dimension getPreferredSize()

getImageBuffer

public BufferedImage getImageBuffer(int width,
                                    int height)

drawOIA

public Graphics2D drawOIA()

Draw the operator information area

Returns:

graphics object

drawCursor

public void drawCursor(int row,
                       int col)

getDrawingArea

public Graphics2D getDrawingArea()

Returns a pointer to the graphics area that we can draw on

Returns:

a pointer

drawImageBuffer

public void drawImageBuffer(Graphics2D gg2d,
                            int x,
                            int y,
                            int width,
                            int height)

updateImage

protected void updateImage(int x,
                           int y,
                           int width,
                           int height)

updateImage

protected void updateImage(Rectangle r)

drawImageBuffer

public void drawImageBuffer(Graphics2D gg2d)

getWritingArea

public Graphics2D getWritingArea(Font font)

Returns a pointer to the graphics area that we can write on

Parameters:

font - a font to use

Returns:

a pointer

setUseAntialias

public void setUseAntialias(boolean antialiased)

drawChar

public final void drawChar(Graphics2D g,
                           int pos,
                           int row,
                           int col)

onScreenSizeChanged

public void onScreenSizeChanged(int rows,
                                int cols)

Specified by:

onScreenSizeChanged in interface ScreenListener

onScreenChanged

public void onScreenChanged(int which,
                            int sr,
                            int sc,
                            int er,
                            int ec)

Specified by:

onScreenChanged in interface ScreenListener

onOIAChanged

public void onOIAChanged(ScreenOIA changedOIA,
                         int change)

Specified by:

onOIAChanged in interface ScreenOIAListener

getTextArea

public Rectangle2D getTextArea()

getScreenArea

public Rectangle2D getScreenArea()

getCommandLineArea

public Rectangle2D getCommandLineArea()

getStatusArea

public Rectangle2D getStatusArea()

getPositionArea

public Rectangle2D getPositionArea()

getMessageArea

public Rectangle2D getMessageArea()

getInsertIndicatorArea

public Rectangle2D getInsertIndicatorArea()

getKBIndicatorArea

public Rectangle2D getKBIndicatorArea()

getScriptIndicatorArea

public Rectangle2D getScriptIndicatorArea()

getWidth

public int getWidth()

getHeight

public int getHeight()

getWidth

public int getWidth(ImageObserver io)

getHeight

public int getHeight(ImageObserver io)

fillData

protected GuiGraphicBuffer.Data fillData(int startRow,
                                         int startCol,
                                         int endRow,
                                         int endCol)

modelToView

public final Rectangle modelToView(int row,
                                   int col)

modelToView

public final Rectangle modelToView(int row,
                                   int col,
                                   Rectangle r)

getColor

protected Color getColor(char color,
                         boolean background)