org.rrd4j.graph.RrdGraph

All Implemented Interfaces:: RrdGraphConstants

public class RrdGraph
extends Object
implements RrdGraphConstants

Class which actually creates Rrd4j graphs (does the hard work).

Nested Class Summary

Nested classes/interfaces inherited from interface org.rrd4j.graph.RrdGraphConstants
RrdGraphConstants.FontConstructor, RrdGraphConstants.FontTag

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) RrdGraphDef`	`gdef`
`(package private) ImageParameters`	`im`
`(package private) Mapper`	`mapper`
`(package private) ImageWorker`	`worker`

Fields inherited from interface org.rrd4j.graph.RrdGraphConstants

ALIGN_CENTER_MARKER, ALIGN_JUSTIFIED_MARKER, ALIGN_LEFT_MARKER, ALIGN_LEFTNONL_MARKER, ALIGN_RIGHT_MARKER, BLIND_COLOR, COLOR_ARROW, COLOR_BACK, COLOR_CANVAS, COLOR_FONT, COLOR_FRAME, COLOR_GRID, COLOR_MGRID, COLOR_SHADEA, COLOR_SHADEB, COLOR_XAXIS, COLOR_YAXIS, DAY, DEFAULT_ARROW_COLOR, DEFAULT_BACK_COLOR, DEFAULT_BASE, DEFAULT_CANVAS_COLOR, DEFAULT_END, DEFAULT_FONT_COLOR, DEFAULT_FRAME_COLOR, DEFAULT_GRID_COLOR, DEFAULT_HEIGHT, DEFAULT_IMAGE_FORMAT, DEFAULT_IMAGE_QUALITY, DEFAULT_LARGE_FONT, DEFAULT_MGRID_COLOR, DEFAULT_SHADEA_COLOR, DEFAULT_SHADEB_COLOR, DEFAULT_SMALL_FONT, DEFAULT_START, DEFAULT_UNITS_LENGTH, DEFAULT_WIDTH, DEFAULT_XAXIS_COLOR, DEFAULT_YAXIS_COLOR, FIRST_DAY_OF_WEEK, FONTTAG_AXIS, FONTTAG_DEFAULT, FONTTAG_LEGEND, FONTTAG_TITLE, FONTTAG_UNIT, FONTTAG_WATERMARK, FRIDAY, GATOR_FONT, GLUE_MARKER, GRID_STROKE, HH_MM, HOUR, IN_MEMORY_IMAGE, LEGEND_BOX, LEGEND_BOX_SPACE, LEGEND_INTERSPACING, LEGEND_LEADING, LEGEND_LEADING_SMALL, MINUTE, MONDAY, MONTH, NO_JUSTIFICATION_MARKER, PADDING_BOTTOM, PADDING_LEFT, PADDING_LEGEND, PADDING_PLOT, PADDING_RIGHT, PADDING_TITLE, PADDING_TOP, PADDING_VLABEL, PROPERTYFONTBOLD, PROPERTYFONTBOLDURL, PROPERTYFONTPLAIN, PROPERTYFONTPLAINURL, PROPERTYFONTSPROPERTIES, PROPERTYFONTSURL, SATURDAY, SECOND, SUNDAY, THURSDAY, TICK_STROKE, TUESDAY, VERTICAL_SPACING_MARKER, WEDNESDAY, WEEK, YEAR

Constructor Summary

Constructors
Constructor	Description
`RrdGraph(RrdGraphDef gdef)`	Creates graph from the corresponding `RrdGraphDef` object.
`RrdGraph(RrdGraphDef gdef, ImageWriter writer, ImageWriteParam param)`	Creates graph from the corresponding `RrdGraphDef` object.

Method Summary

Modifier and Type	Method	Description
`(package private) double`	`getBoxSpace()`
`(package private) double`	`getFontCharWidth(RrdGraphConstants.FontTag fonttag)`
`(package private) double`	`getFontHeight(RrdGraphConstants.FontTag fonttag)`
`(package private) double`	`getInterlegendSpace()`
`(package private) double`	`getLeading()`
`RrdGraphInfo`	`getRrdGraphInfo()`	Returns complete graph information in a single object.
`(package private) double`	`getSmallFontHeight()`	Deprecated.
`(package private) double`	`getSmallLeading()`
`(package private) double`	`getTitleFontHeight()`
`void`	`render(Graphics g)`	Renders this graph onto graphing device

Methods inherited from class java.lang.Object

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

Field Details
- gdef
  
  final RrdGraphDef gdef
- im
  
  final ImageParameters im
- worker
  
  ImageWorker worker
- mapper
  
  Mapper mapper
Constructor Details
- RrdGraph
  
  public RrdGraph(RrdGraphDef gdef) throws IOException
  
  Creates graph from the corresponding RrdGraphDef object.
  
  Parameters:
  
  gdef - Graph definition
  
  Throws:
  
  IOException - Thrown in case of I/O error
- RrdGraph
  
  public RrdGraph(RrdGraphDef gdef, ImageWriter writer, ImageWriteParam param) throws IOException
  
  Creates graph from the corresponding RrdGraphDef object.
  
  The graph will be created using customs ImageWriter and ImageWriteParam given.
  
  The ImageWriter type and ImageWriteParam settings have priority other the RrdGraphDef settings.
  
  Parameters:
  
  gdef - Graph definition
  
  writer -
  
  param -
  
  Throws:
  
  IOException - Thrown in case of I/O error
  
  Since:
  
  3.5
Method Details
- getRrdGraphInfo
  
  public RrdGraphInfo getRrdGraphInfo()
  
  Returns complete graph information in a single object.
  
  Returns:
  
  Graph information (width, height, filename, image bytes, etc...)
- getFontHeight
  
  double getFontHeight(RrdGraphConstants.FontTag fonttag)
- getFontCharWidth
  
  double getFontCharWidth(RrdGraphConstants.FontTag fonttag)
- getSmallFontHeight
  
  @Deprecated double getSmallFontHeight()
  
  Deprecated.
- getTitleFontHeight
  
  double getTitleFontHeight()
- getInterlegendSpace
  
  double getInterlegendSpace()
- getLeading
  
  double getLeading()
- getSmallLeading
  
  double getSmallLeading()
- getBoxSpace
  
  double getBoxSpace()
- render
  
  public void render(Graphics g)
  
  Renders this graph onto graphing device
  
  Parameters:
  
  g - Graphics handle

Class RrdGraph

Nested Class Summary

Nested classes/interfaces inherited from interface org.rrd4j.graph.RrdGraphConstants

Field Summary

Fields inherited from interface org.rrd4j.graph.RrdGraphConstants

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

Constructor Details

Method Details