rescuecore2.misc.gui

Class DrawingTools

java.lang.Object

rescuecore2.misc.gui.DrawingTools

public final class DrawingTools
extends java.lang.Object

A bunch of useful functions for drawing things.

Field Summary

Fields

Modifier and Type	Field and Description
static double	DEFAULT_ARROW_ANGLE A default angle for arrow barbs.
static double	DEFAULT_ARROW_DISTANCE A default distance along the line for arrow barbs.
static double	DEFAULT_ARROW_LENGTH A default length (in pixels) for arrow barbs.

Method Summary

Modifier and Type	Method and Description
static void	drawArrowHeads(int startX, int startY, int endX, int endY, double angle, double length, double d, java.awt.Graphics g) Draw an arrowhead on a line.
static void	drawArrowHeads(int startX, int startY, int endX, int endY, java.awt.Graphics g) Draw an arrowhead on a line with some default options.
static Pair<Pair<java.lang.Integer,java.lang.Integer>,Pair<java.lang.Integer,java.lang.Integer>>	getArrowHeads(int startX, int startY, int endX, int endY, double angle, double length, double d) Get the coordinates for arrow heads along a line.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ARROW_ANGLE

public static final double DEFAULT_ARROW_ANGLE

A default angle for arrow barbs.

DEFAULT_ARROW_LENGTH

public static final double DEFAULT_ARROW_LENGTH

A default length (in pixels) for arrow barbs.

See Also:

Constant Field Values

DEFAULT_ARROW_DISTANCE

public static final double DEFAULT_ARROW_DISTANCE

A default distance along the line for arrow barbs.

See Also:

Constant Field Values

Method Detail

getArrowHeads

public static Pair<Pair<java.lang.Integer,java.lang.Integer>,Pair<java.lang.Integer,java.lang.Integer>> getArrowHeads(int startX,
                                                                                                                      int startY,
                                                                                                                      int endX,
                                                                                                                      int endY,
                                                                                                                      double angle,
                                                                                                                      double length,
                                                                                                                      double d)

Get the coordinates for arrow heads along a line.

Parameters:

startX - The start of the line (X).

startY - The start of the line (Y).

endX - The end of the line (X).

endY - The end of the line (Y).

angle - The angle of the arrow barbs.

length - The length of the arrow barbs.

d - The distance along the line to place the barbs. This must be between zero and one.

Returns:

A pair of coordinate pairs for the ends of the arrow barbs.

drawArrowHeads

public static void drawArrowHeads(int startX,
                                  int startY,
                                  int endX,
                                  int endY,
                                  double angle,
                                  double length,
                                  double d,
                                  java.awt.Graphics g)

Draw an arrowhead on a line.

Parameters:

startX - The start of the line (X).

startY - The start of the line (Y).

endX - The end of the line (X).

endY - The end of the line (Y).

angle - The angle of the arrow barbs.

length - The length of the arrow barbs.

d - The distance along the line to draw the barbs. This must be between zero and one.

g - The graphics object to draw on.

drawArrowHeads

public static void drawArrowHeads(int startX,
                                  int startY,
                                  int endX,
                                  int endY,
                                  java.awt.Graphics g)

Draw an arrowhead on a line with some default options.

Parameters:

startX - The start of the line (X).

startY - The start of the line (Y).

endX - The end of the line (X).

endY - The end of the line (Y).

g - The graphics object to draw on.