ru.biosoft.graphics
Class Ruler

java.lang.Object
  ru.biosoft.graphics.View
      ru.biosoft.graphics.CompositeView
          ru.biosoft.graphics.Ruler

public class Ruler

extends CompositeView

Ruler.

Version:

1.5.1, 21 October 1997

Author:

Fedor A. Kolpakov

Field Summary

protected java.awt.Point	anchor Point, that corresponds min value on the ruler axis.
static int	GENE Ruler type: GENE/ USUAL.
static int	HORIZONTAL Ruler type: HORIZONTAL/VERTICAL
protected boolean	isReversed True, if scale direction is reversed, that is min > max value.
static int	LABELS_MAJOR_SHOW Ruler type: LABELS_MAJOR_SHOW/ABSENT.
static int	LABELS_MAJOR_UP Ruler type: LABELS_MAJOR_UP/LABELS_MAJOR_DOWN.
static int	LABELS_MINOR_SHOW Ruler type: LABELS_MINOR_SHOW/ABSENT.
static int	LABELS_MINOR_UP Ruler type: LABELS_MINOR_UP/LABELS_MINOR_DOWN.
protected float	max Maximum ruler value.
protected float	min Minimum ruler value.
protected RulerOptions	options Options for painting.
protected float	scale The scale: number of pixels according to interaval by length 1.0
protected float	step Ruler step (for major ticks).
static int	TICKS_MAJOR_DOWN Ruler type: TICKS_MAJOR_DOWN/ABSENT.
static int	TICKS_MAJOR_UP Ruler type: TICKS_MAJOR_UP/ABSENT.
static int	TICKS_MINOR_DOWN Ruler type: TICKS_MINOR_DOWN/ABSENT.
static int	TICKS_MINOR_UP Ruler type: TICKS_MINOR_UP/ABSENT.
protected int	tPerT Number of minor ticks for one interval before major ticks.
protected int	type Ruler type.

Fields inherited from class ru.biosoft.graphics.CompositeView

children, DELTA, rect, REL, X_CC, X_LC, X_LL, X_LR, X_RC, X_RL, X_RR, X_UN, Y_BB, Y_BC, Y_BT, Y_CC, Y_TB, Y_TC, Y_TT, Y_UN

Fields inherited from class ru.biosoft.graphics.View

ACTIVE, at, BASELINE, BOTTOM, CENTER, HIDE, LEFT, model, RIGHT, shape, TOP

Constructor Summary

Ruler(int type, java.awt.Point anchor, float scale, int min, int max, RulerOptions rulerOptions, java.awt.Graphics graphics)
(pens, brushes, Fonts, margins etc.) needed to ruler painting.

Method Summary

protected void	initSize(java.awt.Graphics graphics) Init the ruler.
protected void	initSizeUsingTicksAndLabels(float step, float stepMajor, java.awt.Point pFrom, Pen pTicks, ColorFont fLabel, java.awt.Graphics graphics, int tickUB, int tickDB, int decDig, java.awt.Dimension textOffset, boolean ticksShow, boolean labelsShow, boolean labelsUp)
void	move(java.awt.Point p) Moves the ruler (left/bottom axis end) to the specified point.
void	offset(java.awt.Dimension d) Shifts the ruler image by the specified distance.
void	paint(java.awt.Graphics2D graphics) Paint the ruler.
protected void	paintTicksAndLabels(float step, float stepMajor, java.awt.Point pFrom, Pen pTicks, ColorFont fLabel, java.awt.Graphics graphics, int tickUB, int tickDB, int decDig, java.awt.Dimension textOffset, boolean ticksShow, boolean labelsShow, boolean labelsUp)

Methods inherited from class ru.biosoft.graphics.CompositeView

add, add, add, elementAt, getBounds, getChildren, getDeepestActive, getDeepestActive, getLocation, insert, intersects, move, recursiveRemove, remove, scale, size, updateBounds

Methods inherited from class ru.biosoft.graphics.View

getModel, getShape, isActive, isVisible, setActive, setLocation, setLocation, setModel, setToScale, setVisible

Methods inherited from class java.lang.Object

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

Field Detail

HORIZONTAL

public static int HORIZONTAL

Ruler type: HORIZONTAL/VERTICAL

GENE

public static int GENE

Ruler type: GENE/ USUAL. If GENE, the position zero absent.

TICKS_MAJOR_UP

public static int TICKS_MAJOR_UP

Ruler type: TICKS_MAJOR_UP/ABSENT. For vertical ruler this is mean: TICKS_MAJOR_LEFT/ABSENT.

TICKS_MAJOR_DOWN

public static int TICKS_MAJOR_DOWN

Ruler type: TICKS_MAJOR_DOWN/ABSENT. For vertical ruler this is mean: TICKS_MAJOR_RIGHT/ABSENT.

TICKS_MINOR_UP

public static int TICKS_MINOR_UP

Ruler type: TICKS_MINOR_UP/ABSENT. For vertical ruler this is mean: TICKS_MINOR_LEFT/ABSENT.

TICKS_MINOR_DOWN

public static int TICKS_MINOR_DOWN

Ruler type: TICKS_MINOR_DOWN/ABSENT. For vertical ruler this is mean: TICKS_MINOR_RIGHT/ABSENT.

LABELS_MAJOR_SHOW

public static int LABELS_MAJOR_SHOW

Ruler type: LABELS_MAJOR_SHOW/ABSENT.

LABELS_MAJOR_UP

public static int LABELS_MAJOR_UP

Ruler type: LABELS_MAJOR_UP/LABELS_MAJOR_DOWN. For vertical ruler this is mean: LABELS_MAJOR_LEFT/LABELS_MAJOR_RIGHT

LABELS_MINOR_SHOW

public static int LABELS_MINOR_SHOW

Ruler type: LABELS_MINOR_SHOW/ABSENT.

LABELS_MINOR_UP

public static int LABELS_MINOR_UP

Ruler type: LABELS_MINOR_UP/LABELS_MINOR_DOWN. For vertical ruler this is mean: LABELS_MINOR_LEFT/LABELS_MINOR_RIGHT

type

protected int type

Ruler type.

min

protected float min

Minimum ruler value.

max

protected float max

Maximum ruler value.

step

protected float step

Ruler step (for major ticks).

tPerT

protected int tPerT

Number of minor ticks for one interval before major ticks.

scale

protected float scale

The scale: number of pixels according to interaval by length 1.0

isReversed

protected boolean isReversed

True, if scale direction is reversed, that is min > max value.

anchor

protected java.awt.Point anchor

Point, that corresponds min value on the ruler axis.

options

protected RulerOptions options

Options for painting.

Constructor Detail

Ruler

public Ruler(int type,
             java.awt.Point anchor,
             float scale,
             int min,
             int max,
             RulerOptions rulerOptions,
             java.awt.Graphics graphics)

(pens, brushes, Fonts, margins etc.) needed to ruler painting.

Used GraphicContext attributes:

 Pen              Pen_Ruler_Axis
 Pen              Pen_Ruler_Ticks

 ColorFont            Font_Ruler_Labels_Major
 ColorFont            Font_Ruler_Labels_Minor

 Dimension        Margin_Ruler_Text

 Dimension        Size_Ruler_TickSize*
 Dimension        Size_Ruler_DecDig*

 * number of signs after comma
      width  - for major labels
      height - for minor labels

 

Method Detail

initSize

protected void initSize(java.awt.Graphics graphics)

Init the ruler.

initSizeUsingTicksAndLabels

protected void initSizeUsingTicksAndLabels(float step,
                                           float stepMajor,
                                           java.awt.Point pFrom,
                                           Pen pTicks,
                                           ColorFont fLabel,
                                           java.awt.Graphics graphics,
                                           int tickUB,
                                           int tickDB,
                                           int decDig,
                                           java.awt.Dimension textOffset,
                                           boolean ticksShow,
                                           boolean labelsShow,
                                           boolean labelsUp)

move

public void move(java.awt.Point p)

Moves the ruler (left/bottom axis end) to the specified point.

Overrides:

move in class View

Parameters:

p - the specified point.

offset

public void offset(java.awt.Dimension d)

Shifts the ruler image by the specified distance.

Parameters:

d - the distance.

paintTicksAndLabels

protected void paintTicksAndLabels(float step,
                                   float stepMajor,
                                   java.awt.Point pFrom,
                                   Pen pTicks,
                                   ColorFont fLabel,
                                   java.awt.Graphics graphics,
                                   int tickUB,
                                   int tickDB,
                                   int decDig,
                                   java.awt.Dimension textOffset,
                                   boolean ticksShow,
                                   boolean labelsShow,
                                   boolean labelsUp)

paint

public void paint(java.awt.Graphics2D graphics)

Paint the ruler.

Overrides:

paint in class CompositeView