Class roundedRectTool

java.lang.Object
  roundedRectTool

All Implemented Interfaces:

ourTool

public class roundedRectTool
extends java.lang.Object
implements ourTool

roundedRectTool implements the interface ourTool. The tool is used to draw rounded rectangles, filled or unfilled. The mouse dragging determines the dimensions of the rounded rectangle to be drawn, when the mouse button is released. Possibility of using right or left button to draw rectangles. The rounded edge is an unadjustable 10. It should work with all operating systems and hardware. There are no variances and no security constraints.

Field Summary

(package private) int	arc_height Holds the height of the arc, default set to 10.
(package private) int	arc_length Holds the length of the arc, default set to 10.
private java.awt.image.BufferedImage	backupImage Holds the current image and the saved backup image.
private java.awt.image.BufferedImage	curImage Holds the current image and the saved backup image.
private boolean	dragged Used as a flag detecting if the mouse was dragged.
private int	fillType Holds the fill type ranging from 1-3.
(package private) int	prevX Integer representing the previous x coordinate.
(package private) int	prevY Integer representing the previous y coordinate.
private int	startX Holds the starting x value.
private int	startY Holds the starting y value.

Constructor Summary

roundedRectTool()

Method Summary

void	clickAction(java.awt.event.MouseEvent mevt, main_canvas theCanvas) This function initializes the starting point for a corner of the rounded rectangle to be drawn.
void	dragAction(java.awt.event.MouseEvent mevt, main_canvas theCanvas) Uses the dragging mouse position as the opposite corner of the rectangle, and repaints the rectangle to be painted as the mouse moves.
void	drawRoundRect(int x, int y, int width, int height, java.awt.event.MouseEvent mevt, java.awt.Graphics2D g2D, main_canvas theCanvas) Updates the current display of canvas.
boolean	getDragged() This function returns the state of the flag, dragged.
int	getFillType() This function returns the fill type value (1-3).
void	mouseReleaseAction(java.awt.event.MouseEvent mevt, main_canvas theCanvas) This fuction draws the rounded rectangle onto the canvas upon release of the mouse button.
void	setFillType(int theFillType) This funtion determines if the rounded rectangle is shaded or not.

Methods inherited from class java.lang.Object

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

Field Detail

startX

private int startX

Holds the starting x value.

startY

private int startY

Holds the starting y value.

dragged

private boolean dragged

Used as a flag detecting if the mouse was dragged.

fillType

private int fillType

Holds the fill type ranging from 1-3.

arc_length

final int arc_length

Holds the length of the arc, default set to 10.

See Also:

Constant Field Values

arc_height

final int arc_height

Holds the height of the arc, default set to 10.

See Also:

Constant Field Values

curImage

private java.awt.image.BufferedImage curImage

Holds the current image and the saved backup image.

backupImage

private java.awt.image.BufferedImage backupImage

Holds the current image and the saved backup image.

prevX

int prevX

Integer representing the previous x coordinate.

prevY

int prevY

Integer representing the previous y coordinate.

Constructor Detail

roundedRectTool

public roundedRectTool()

Method Detail

clickAction

public void clickAction(java.awt.event.MouseEvent mevt,
                        main_canvas theCanvas)

This function initializes the starting point for a corner of the rounded rectangle to be drawn.

Specified by:

clickAction in interface ourTool

Parameters:

mevt - MouseEvent of initial click, left or right button

theCanvas - the current main_canvas

dragAction

public void dragAction(java.awt.event.MouseEvent mevt,
                       main_canvas theCanvas)

Uses the dragging mouse position as the opposite corner of the rectangle, and repaints the rectangle to be painted as the mouse moves.

Specified by:

dragAction in interface ourTool

Parameters:

mevt - MouseEvent of mouse dragging

theCanvas - the current main_canvas

mouseReleaseAction

public void mouseReleaseAction(java.awt.event.MouseEvent mevt,
                               main_canvas theCanvas)

This fuction draws the rounded rectangle onto the canvas upon release of the mouse button.

Specified by:

mouseReleaseAction in interface ourTool

Parameters:

mevt - MouseEvent of releasing the button.

theCanvas - the current main_canvas

setFillType

public void setFillType(int theFillType)

This funtion determines if the rounded rectangle is shaded or not.

Parameters:

theFillType - 1: outline of left_color, 2: filled of right_color, 3: filled of left_color

See Also:

getFillType()

getFillType

public int getFillType()

This function returns the fill type value (1-3).

Returns:

int corresponding to the fill type

See Also:

setFillType(int)

drawRoundRect

public void drawRoundRect(int x,
                          int y,
                          int width,
                          int height,
                          java.awt.event.MouseEvent mevt,
                          java.awt.Graphics2D g2D,
                          main_canvas theCanvas)

Updates the current display of canvas.

Parameters:

x - the x-on-canvas coordinate of initial click

y - the y-on-canvas coordinate of initial click

width - the abs val of difference between the x and x of the current mouse position

height - the abs val of difference between the y and y of the current mouse position

mevt - MouseEvent

g2D - Graphics2D of displayed canvas

theCanvas - current main_canvas

getDragged

public boolean getDragged()

This function returns the state of the flag, dragged.

Returns:

boolean representing dragged