Class selectallTool

java.lang.Object
  selectallTool

All Implemented Interfaces:

ourTool

public class selectallTool
extends java.lang.Object
implements ourTool

The class selectallTool uses the ourTool interface. It selects a rectangular region. See also selectTool It should work with all operating systems and hardware. There are no variances and no security constraints.

Field Summary

java.lang.String	action_name Action name.
(package private) java.awt.image.BufferedImage	backupImage Holds the current, backup, selected and pasted image.
(package private) java.awt.image.BufferedImage	curImage Holds the current, backup, selected and pasted image.
private boolean	dragged Used as a flag to determine if the mouse was dragged.
boolean	drawOpaque Flag used to determine if drawOpaque is on or not.
private int	endX Holds the starting X,Y and ending X,Y.
private int	endY Holds the starting X,Y and ending X,Y.
private int	fillType 1 = border left_color, 2 = fill with right_color, 3 = solid left_color.
private java.awt.Graphics2D	g2D Holds a Graphics2D.
private java.awt.Graphics2D	g2D_temp Holds a Graphics2D.
private boolean	moved Flag to determine is it has moved.
private boolean	moving Flag to determine if it is moving.
int	onCanvasFlag Determines if it is on the canvas.
private boolean	pasted Flag to determine is it has been pasted.
(package private) java.awt.image.BufferedImage	pastedImage Holds the current, backup, selected and pasted image.
private int	pasteX x coord of where to be pasted.
private int	pasteY y of where to be pasted.
private boolean	selected Flag to determine is it has been selected.
(package private) java.awt.image.BufferedImage	selectedImage Holds the current, backup, selected and pasted image.
private java.awt.BasicStroke	selectStroke Holds the stroke that is selected.
private java.awt.BasicStroke	selectStrokeW Holds the stroke that is selected for the white part.
private int	startX Holds the starting X,Y and ending X,Y.
private int	startY Holds the starting X,Y and ending X,Y.
(package private) java.awt.image.BufferedImage	tempImage Holds the temp image.

Constructor Summary

selectallTool()
Creates a selectallTool and sets the Stroke.

Method Summary

void	clear(main_canvas theCanvas) clears the selected portion of image.
void	clickAction(java.awt.event.MouseEvent mevt, main_canvas theCanvas) Allows the user to click on the canvas and select all of the image.
void	deSelect(main_canvas theCanvas) Resets canvas to backup image and resets all data members and flags to original values.
void	dragAction(java.awt.event.MouseEvent mevt, main_canvas theCanvas) Selects a rectangle according to movement of mouse, as specified by the coordinates of MouseEvent.
java.awt.image.BufferedImage	getCopyImage(main_canvas theCanvas) Returns the selected rectangle.
java.awt.image.BufferedImage	getCutImage(main_canvas theCanvas) Copies selected image to be cut, and removes.
boolean	getDragged() This function returns the current state of the flag dragged.
java.awt.Color	getG2dColor() This function returns the Color of the g2d.
boolean	getOpaque() This function returns true if it is set to opaque, false otherwise.
boolean	getPasted() This function returns the current state of the flag pasted.
boolean	getSelected() This function returns the current state of the flag selected.
int	getStartX() This function returns the current X-position of subimage selected.
int	getStartY() This function returns the current Y-position of subimage selected.
boolean	isSelected() This function the state of anything being selected.
void	mouseReleaseAction(java.awt.event.MouseEvent mevt, main_canvas theCanvas) Allows the user to release the mouse and stop selecting.
void	myDrawImage(java.awt.Color rightColor) Pastes image into selected area but does not update canvas -- see setPastedImage.
void	selectAll(main_canvas theCanvas) Allows the user to select the entire main_canvas.
void	setOpaque(boolean value) sets the opaque flag.
void	setPastedImage(java.awt.image.BufferedImage theImage, main_canvas theCanvas, int x, int y) updates canvas with pasted image.

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,Y and ending X,Y.

startY

private int startY

Holds the starting X,Y and ending X,Y.

endX

private int endX

Holds the starting X,Y and ending X,Y.

endY

private int endY

Holds the starting X,Y and ending X,Y.

dragged

private boolean dragged

Used as a flag to determine if the mouse was dragged.

moved

private boolean moved

Flag to determine is it has moved.

fillType

private int fillType

1 = border left_color, 2 = fill with right_color, 3 = solid left_color.

curImage

java.awt.image.BufferedImage curImage

Holds the current, backup, selected and pasted image.

backupImage

java.awt.image.BufferedImage backupImage

Holds the current, backup, selected and pasted image.

selectedImage

java.awt.image.BufferedImage selectedImage

Holds the current, backup, selected and pasted image.

pastedImage

java.awt.image.BufferedImage pastedImage

Holds the current, backup, selected and pasted image.

tempImage

java.awt.image.BufferedImage tempImage

Holds the temp image.

g2D

private java.awt.Graphics2D g2D

Holds a Graphics2D.

g2D_temp

private java.awt.Graphics2D g2D_temp

Holds a Graphics2D.

selected

private boolean selected

Flag to determine is it has been selected.

pasted

private boolean pasted

Flag to determine is it has been pasted.

moving

private boolean moving

Flag to determine if it is moving.

selectStroke

private java.awt.BasicStroke selectStroke

Holds the stroke that is selected.

selectStrokeW

private java.awt.BasicStroke selectStrokeW

Holds the stroke that is selected for the white part.

pasteX

private int pasteX

x coord of where to be pasted.

pasteY

private int pasteY

y of where to be pasted.

drawOpaque

public boolean drawOpaque

Flag used to determine if drawOpaque is on or not.

onCanvasFlag

public int onCanvasFlag

Determines if it is on the canvas.

action_name

public java.lang.String action_name

Action name.

Constructor Detail

selectallTool

public selectallTool()

Creates a selectallTool and sets the Stroke. It takes in no parameters or null arguments. It does not return anything. There are no algorithms of any kind and no variances and OS dependencies. There should not be any exceptions or security constraints.

Method Detail

clickAction

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

Allows the user to click on the canvas and select all of the image. A click in valid x,y coordinates initializes everything. A click on invalid areas does nothing.

Specified by:

clickAction in interface ourTool

Parameters:

mevt - MosueEvent upon initial click

theCanvas - current main_canvas

dragAction

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

Selects a rectangle according to movement of mouse, as specified by the coordinates of MouseEvent.

Specified by:

dragAction in interface ourTool

Parameters:

mevt - MosueEvent dragging mouse

theCanvas - the current main_canvas

mouseReleaseAction

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

Allows the user to release the mouse and stop selecting. Sets the flag dragged to false and slected to true.

Specified by:

mouseReleaseAction in interface ourTool

Parameters:

mevt - MouseEvent release of click

theCanvas - the current main_canvas

selectAll

public void selectAll(main_canvas theCanvas)

Allows the user to select the entire main_canvas. It draws a rectangle around the entire BufferedImage and sets the flag dragged to false, selected to true, and pasted to false. The starting coordinates of the selection are at 0, 0. The ending coordinates of the selection are at the width and height of the image.

Parameters:

theCanvas - main_canvas object

getCopyImage

public java.awt.image.BufferedImage getCopyImage(main_canvas theCanvas)

Returns the selected rectangle.

Parameters:

theCanvas - the current main_canvas

Returns:

BufferedImage of selected rectangle image

myDrawImage

public void myDrawImage(java.awt.Color rightColor)

Pastes image into selected area but does not update canvas -- see setPastedImage.

Parameters:

rightColor - Color of right-click

getCutImage

public java.awt.image.BufferedImage getCutImage(main_canvas theCanvas)

Copies selected image to be cut, and removes.

Parameters:

theCanvas - the current main_canvas

Returns:

BufferedImage of selected portion of canvas

setPastedImage

public void setPastedImage(java.awt.image.BufferedImage theImage,
                           main_canvas theCanvas,
                           int x,
                           int y)

updates canvas with pasted image. Preserves opaqueness.

Parameters:

theImage - BufferedImage to be pasted

theCanvas - the current main_canvas

x - an int representing the x coordinate

y - an int representing the y coordinate

getPasted

public boolean getPasted()

This function returns the current state of the flag pasted.

Returns:

boolean representing the flag pasted.

deSelect

public void deSelect(main_canvas theCanvas)

Resets canvas to backup image and resets all data members and flags to original values.

Parameters:

theCanvas - main_canvas

getSelected

public boolean getSelected()

This function returns the current state of the flag selected.

Returns:

boolean representing the state of the flag selected

getStartX

public int getStartX()

This function returns the current X-position of subimage selected.

Returns:

boolean representing the state of the flag selected

getStartY

public int getStartY()

This function returns the current Y-position of subimage selected.

Returns:

boolean representing the state of the flag selected

setOpaque

public void setOpaque(boolean value)

sets the opaque flag.

Parameters:

value - boolean opaqueness passed in

See Also:

getOpaque()

getOpaque

public boolean getOpaque()

This function returns true if it is set to opaque, false otherwise.

Returns:

boolean representing opaque

See Also:

setOpaque(boolean)

clear

public void clear(main_canvas theCanvas)

clears the selected portion of image.

Parameters:

theCanvas - the current main_canvas

getG2dColor

public java.awt.Color getG2dColor()

This function returns the Color of the g2d.

Returns:

Color representing that of g2D

getDragged

public boolean getDragged()

This function returns the current state of the flag dragged.

Returns:

boolean representing the flag dragged

isSelected

public boolean isSelected()

This function the state of anything being selected.

Returns:

boolean true if area is selected, false if not.