smile.plot

Class Graphics

java.lang.Object

smile.plot.Graphics

public class Graphics
extends java.lang.Object

Graphics provides methods to draw graphical primitives in logical/mathematical coordinates. The mathematical coordinates are translated into Java2D coordinates based on suitiabel projection method. Both 2D and 3D shapes are supported.

Method Summary

Modifier and Type	Method and Description
void	clearClip() Clear the restriction of the draw area.
void	clip() Restrict the draw area to the valid base coordinate space.
void	drawLine(double[]... coord) Draw poly line.
void	drawLineBaseRatio(double[]... coord) Draw poly line.
void	drawPoint(char dot, double... coord) Draw a dot with given pattern.
void	drawPoint(double... coord) Draw a dot.
void	drawPolygon(double[]... coord) Draw polygon.
void	drawRect(double[] topLeft, double[] rightBottom) Draw the outline of the specified rectangle.
void	drawRectBaseRatio(double[] topLeft, double[] rightBottom) Draw the outline of the specified rectangle.
void	drawText(java.lang.String label, double[] coord) Draw a string.
void	drawText(java.lang.String label, double rotation, double[] coord) Draw a string with given rotation angle.
void	drawText(java.lang.String label, double horizontalReference, double verticalReference, double[] coord) Draw a string with given reference point.
void	drawText(java.lang.String label, double horizontalReference, double verticalReference, double rotation, double[] coord) Draw a string with given reference point and rotation angle.
void	drawTextBaseRatio(java.lang.String label, double[] coord) Draw a string with given rotation angle.
void	drawTextBaseRatio(java.lang.String label, double rotation, double[] coord) Draw a string with given rotation angle.
void	drawTextBaseRatio(java.lang.String label, double horizontalReference, double verticalReference, double[] coord) Draw a string with given reference point.
void	drawTextBaseRatio(java.lang.String label, double horizontalReference, double verticalReference, double rotation, double[] coord) Draw a string with given reference point and rotation angle.
void	fillPolygon(double[]... coord) Fill polygon.
void	fillPolygon(float alpha, double[]... coord) Fill polygon.
void	fillRect(double[] topLeft, double[] rightBottom) Fill the specified rectangle.
void	fillRectBaseRatio(double[] topLeft, double[] rightBottom) Fill the specified rectangle.
java.awt.Color	getColor() Get the current color.
java.awt.Font	getFont() Get the current font.
java.awt.Graphics2D	getGraphics() Returns the Java2D graphics object.
double[]	getLowerBound() Returns the lower bounds of coordinate space.
java.awt.Paint	getPaint() Get the current paint object.
java.awt.Stroke	getStroke() Get the current stroke.
double[]	getUpperBound() Returns the upper bounds of coordinate space.
void	rotate(double x, double y) Rotate the 3D view based on the changes on mouse position.
Graphics	setColor(java.awt.Color color) Set the color.
Graphics	setFont(java.awt.Font font) Set the font.
void	setGraphics(java.awt.Graphics2D g2d) Set the Java2D graphics object.
Graphics	setPaint(java.awt.Paint paint) Set the paint object.
Graphics	setStroke(java.awt.Stroke stroke) Set the stroke.

Methods inherited from class java.lang.Object

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

Method Detail

getGraphics

public java.awt.Graphics2D getGraphics()

Returns the Java2D graphics object.

setGraphics

public void setGraphics(java.awt.Graphics2D g2d)

Set the Java2D graphics object.

getLowerBound

public double[] getLowerBound()

Returns the lower bounds of coordinate space.

getUpperBound

public double[] getUpperBound()

Returns the upper bounds of coordinate space.

getFont

public java.awt.Font getFont()

Get the current font.

setFont

public Graphics setFont(java.awt.Font font)

Set the font.

getColor

public java.awt.Color getColor()

Get the current color.

setColor

public Graphics setColor(java.awt.Color color)

Set the color.

getPaint

public java.awt.Paint getPaint()

Get the current paint object.

setPaint

public Graphics setPaint(java.awt.Paint paint)

Set the paint object.

getStroke

public java.awt.Stroke getStroke()

Get the current stroke.

setStroke

public Graphics setStroke(java.awt.Stroke stroke)

Set the stroke.

clip

public void clip()

Restrict the draw area to the valid base coordinate space.

clearClip

public void clearClip()

Clear the restriction of the draw area.

drawText

public void drawText(java.lang.String label,
                     double[] coord)

Draw a string. Reference point is the center of string. The coordinates are logical coordinates.

drawText

public void drawText(java.lang.String label,
                     double rotation,
                     double[] coord)

Draw a string with given rotation angle. Reference point is the center of string. The coordinates are logical coordinates. The angle of rotation is in radians.

drawText

public void drawText(java.lang.String label,
                     double horizontalReference,
                     double verticalReference,
                     double[] coord)

Draw a string with given reference point. (0.5, 0.5) is center, (0, 0) is lower left, (0, 1) is upper left, etc. The coordinates are logical coordinates.

drawText

public void drawText(java.lang.String label,
                     double horizontalReference,
                     double verticalReference,
                     double rotation,
                     double[] coord)

Draw a string with given reference point and rotation angle. (0.5, 0.5) is center, (0, 0) is lower left, (0, 1) is upper left, etc. The angle of rotation is in radians. The coordinates are logical coordinates.

drawTextBaseRatio

public void drawTextBaseRatio(java.lang.String label,
                              double[] coord)

Draw a string with given rotation angle. Reference point is the center of string. The logical coordinates are proportional to the base coordinates.

drawTextBaseRatio

public void drawTextBaseRatio(java.lang.String label,
                              double rotation,
                              double[] coord)

Draw a string with given rotation angle. Reference point is the center of string. The angle of rotation is in radians. The logical coordinates are proportional to the base coordinates.

drawTextBaseRatio

public void drawTextBaseRatio(java.lang.String label,
                              double horizontalReference,
                              double verticalReference,
                              double[] coord)

Draw a string with given reference point. (0.5, 0.5) is center, (0, 0) is lower left, (0, 1) is upper left, etc. The logical coordinates are proportional to the base coordinates.

drawTextBaseRatio

public void drawTextBaseRatio(java.lang.String label,
                              double horizontalReference,
                              double verticalReference,
                              double rotation,
                              double[] coord)

Draw a string with given reference point and rotation angle. (0.5, 0.5) is center, (0, 0) is lower left, (1, 0) is upper left, etc. The angle of rotation is in radians. The logical are proportional to the base coordinates.

drawLine

public void drawLine(double[]... coord)

Draw poly line. The coordinates are in logical coordinates.

drawLineBaseRatio

public void drawLineBaseRatio(double[]... coord)

Draw poly line. The logical coordinates are proportional to the base coordinates.

drawPoint

public void drawPoint(double... coord)

Draw a dot. The coordinates are in logical coordinates.

drawPoint

public void drawPoint(char dot,
                      double... coord)

Draw a dot with given pattern. The coordinates are in logical coordinates.

Parameters:

dot - the pattern of dot:

• . : dot
• + : cross
• - : -
• | : |
• * : star
• x : x
• o : circle
• O : large circle
• @ : solid circle
• # : large sollid circle
• s : square
• S : large square
• q : solid square
• Q : large solid square

drawPolygon

public void drawPolygon(double[]... coord)

Draw polygon. The coordinates are in logical coordinates.

fillPolygon

public void fillPolygon(double[]... coord)

Fill polygon. The coordinates are in logical coordinates.

fillPolygon

public void fillPolygon(float alpha,
                        double[]... coord)

Fill polygon. The coordinates are in logical coordinates. This also supports basic alpha compositing rules for combining source and destination colors to achieve blending and transparency effects with graphics and images.

Parameters:

alpha - the constant alpha to be multiplied with the alpha of the source. alpha must be a floating point number in the inclusive range [0.0, 1.0].

drawRect

public void drawRect(double[] topLeft,
                     double[] rightBottom)

Draw the outline of the specified rectangle.

drawRectBaseRatio

public void drawRectBaseRatio(double[] topLeft,
                              double[] rightBottom)

Draw the outline of the specified rectangle. The logical coordinates are proportional to the base coordinates.

fillRect

public void fillRect(double[] topLeft,
                     double[] rightBottom)

Fill the specified rectangle.

fillRectBaseRatio

public void fillRectBaseRatio(double[] topLeft,
                              double[] rightBottom)

Fill the specified rectangle. The logical coordinates are proportional to the base coordinates.

rotate

public void rotate(double x,
                   double y)

Rotate the 3D view based on the changes on mouse position.

Parameters:

x - changes of mouse position on the x axis.

y - changes on mouse position on the y axis.