com.aspose.cells

  • java.lang.Object
    • com.aspose.cells.Chart
public class Chart 
extends java.lang.Object

Encapsulates the object that represents a single Excel chart.

Example:

Workbook workbook = new Workbook();
Worksheet sheet = workbook.getWorksheets().get(0);

Cells cells = sheet.getCells();
cells.get(0, 1).putValue("Income");
cells.get(1, 0).putValue("Company A");
cells.get(2, 0).putValue("Company B");
cells.get(3, 0).putValue("Company C");
cells.get(1, 1).putValue(10000);
cells.get(2, 1).putValue(20000);
cells.get(3, 1).putValue(30000);

int chartIndex = sheet.getCharts().add(ChartType.COLUMN, 9, 9, 21, 15);

Chart chart = sheet.getCharts().get(chartIndex);
chart.getNSeries().add("B2:B4", true);
chart.getNSeries().setCategoryData("A2:A4");

Series aSeries = chart.getNSeries().get(0);
aSeries.setName("=B1");
chart.setShowLegend(true);
chart.getTitle().setText("Income Analysis");

Property Getters/Setters Summary
java.awt.DimensiongetActualChartSize()
Gets actual size of chart
booleangetAutoScaling()
void
setAutoScaling(booleanvalue)
           True if Microsoft Excel scales a 3-D chart so that it's closer in size to the equivalent 2-D chart. The RightAngleAxes property must be True.
WallsgetBackWall()
Returns a Walls object that represents the back wall of a 3-D chart.
AxisgetCategoryAxis()
Gets the chart's X axis.
ChartAreagetChartArea()
Gets the chart area in the worksheet
ChartDataTablegetChartDataTable()
Represents the chart data table.
ChartShapegetChartObject()
Represents the chartShape;
ChartShapegetChartShape()
Represents the chartShape;
intgetDepthPercent()
void
setDepthPercent(intvalue)
           Represents the depth of a 3-D chart as a percentage of the chart width (between 20 and 2000 percent).
intgetElevation()
void
setElevation(intvalue)
           Represents the elevation of the 3-D chart view, in degrees.
intgetFirstSliceAngle()
void
           Gets or sets the angle of the first pie-chart or doughnut-chart slice, in degrees (clockwise from vertical). Applies only to pie, 3-D pie, and doughnut charts, 0 to 360.
FloorgetFloor()
Returns a Floor object that represents the walls of a 3-D chart.
intgetGapDepth()
void
setGapDepth(intvalue)
           Gets or sets the distance between the data series in a 3-D chart, as a percentage of the marker width. The value of this property must be between 0 and 500.
intgetGapWidth()
void
setGapWidth(intvalue)
           Returns or sets the space between bar or column clusters, as a percentage of the bar or column width. The value of this property must be between 0 and 500.
intgetHeightPercent()
void
           Returns or sets the height of a 3-D chart as a percentage of the chart width (between 5 and 500 percent).
booleangetHidePivotFieldButtons()
void
           Indicates whether hide the pivot chart field buttons only when the chart is PivotChart
booleangetIs3D()
Indicates whether the chart is a 3d chart.
booleanisRectangularCornered()
void
           Gets or sets a value indicating whether the chart area is rectangular cornered. Default is true.
LegendgetLegend()
Gets the chart legend.
LinegetLine()
Gets the line.
java.lang.StringgetName()
void
setName(java.lang.Stringvalue)
           Gets and sets the name of the chart.
SeriesCollectiongetNSeries()
Gets a SeriesCollection collection representing the data series in the chart.
PageSetupgetPageSetup()
Represents the page setup description in this chart.
shortgetPerspective()
void
setPerspective(shortvalue)
           Returns or sets the perspective for the 3-D chart view. Must be between 0 and 100. This property is ignored if the RightAngleAxes property is True.
PivotOptionsgetPivotOptions()
Specifies the pivot controls that appear on the chart
java.lang.StringgetPivotSource()
void
setPivotSource(java.lang.Stringvalue)
           The source is the data of the pivotTable. If PivotSource is not empty ,the chart is PivotChart.
intgetPlacement()
void
setPlacement(intvalue)
           Represents the way the chart is attached to the cells below it. The value of the property is PlacementType integer constant.
PlotAreagetPlotArea()
Gets the chart's plot area which includes axis tick lables.
ChartFramegetPlotAreaWithoutTickLabels()
Gets the chart's plot area which does not inculde axis tick lables.
intgetPlotEmptyCellsType()
void
           Gets and sets how to plot the empty cells. The value of the property is PlotEmptyCellsType integer constant.
booleangetPlotVisibleCells()
void
setPlotVisibleCells(booleanvalue)
           Indicates whether only plot visible cells.
intgetPrintSize()
void
setPrintSize(intvalue)
           Gets and sets the printed chart size. The value of the property is PrintSizeType integer constant.
booleangetRightAngleAxes()
void
setRightAngleAxes(booleanvalue)
           True if the chart axes are at right angles.Applies only for 3-D charts(except Column3D and 3-D Pie Charts).
intgetRotationAngle()
void
           Represents the rotation of the 3-D chart view (the rotation of the plot area around the z-axis, in degrees).
AxisgetSecondCategoryAxis()
Gets the chart's second X axis.
AxisgetSecondValueAxis()
Gets the chart's second Y axis.
AxisgetSeriesAxis()
Gets the chart's series axis.
ShapeCollectiongetShapes()
Returns all drawing shapes in this chart.
booleangetShowDataTable()
void
setShowDataTable(booleanvalue)
           Gets or sets a value indicating whether the chart displays a data table.
booleangetShowLegend()
void
setShowLegend(booleanvalue)
           Gets or sets a value indicating whether the chart legend will be displayed. Default is true.
WallsgetSideWall()
Returns a Walls object that represents the side wall of a 3-D chart.
booleangetSizeWithWindow()
void
setSizeWithWindow(booleanvalue)
           True if Microsoft Excel resizes the chart to match the size of the chart sheet window.
intgetStyle()
void
setStyle(intvalue)
           Gets and sets the builtin style.
TitlegetSubTitle()
Gets the chart's sub-title. Only for ODS format file.
TitlegetTitle()
Gets the chart's title.
intgetType()
void
setType(intvalue)
           Gets or sets a chart's type. The value of the property is ChartType integer constant.
AxisgetValueAxis()
Gets the chart's Y axis.
WallsgetWalls()
Returns a Walls object that represents the walls of a 3-D chart.
booleangetWallsAndGridlines2D()
void
           True if gridlines are drawn two-dimensionally on a 3-D chart.
WorksheetgetWorksheet()
Gets the worksheet which contains this chart.
 
Method Summary
voidcalculate()
Calcuate the custom position of plot area, axises if the position of them are auto assigned.
booleanhasAxis(int aixsType, boolean isPrimary)
Returns which axes exist on the chart.
booleanisChartDataChanged()
Detects if a chart's data source has changed.
voidmove(int upperLeftRow, int upperLeftColumn, int lowerRightRow, int lowerRightColumn)
Moves the chart to a specified location.
voidrefreshPivotData()
Refreshes pivot chart's data from it's pivot data source.
voidsetChartDataRange(java.lang.String area, boolean isVertical)
Specifies data range for a chart.
voidtoImage(java.io.OutputStream stream, ImageOrPrintOptions options)
Creates the chart image and saves it to a stream in the specified format.
voidtoImage(java.lang.String imageFile)
Creates the chart image and saves it to a file. The extension of the file name determines the format of the image.
voidtoImage(java.lang.String imageFile, ImageFormat imageFormat)
Creates the chart image and saves it to a file in the specified format.
voidtoImage(java.lang.String imageFile, ImageOrPrintOptions options)
Creates the chart image and saves it to a file. The extension of the file name determines the format of the image.
voidtoImage(java.lang.String imageFile, long jpegQuality)
Creates the chart image and saves it to a file in the Jpeg format.
voidtoPdf(java.io.OutputStream stream)
Creates the chart pdf and saves it to a stream.
voidtoPdf(java.io.OutputStream stream, float desiredPageWidth, float desiredPageHeight, int hAlignmentType, int vAlignmentType)
Creates the chart pdf and saves it to a stream.
voidtoPdf(java.lang.String fileName)
Saves the chart to a pdf file.
voidtoPdf(java.lang.String fileName, float desiredPageWidth, float desiredPageHeight, int hAlignmentType, int vAlignmentType)
Saves the chart to a pdf file.
 

    • Property Getters/Setters Detail

      • getStyle/setStyle

        public int getStyle() / public void setStyle(int value)
        
        Gets and sets the builtin style. It should be between 1 and 48. Return -1 if it's not be set.
      • getChartObject

        public ChartShape getChartObject()
        
        Represents the chartShape;
      • getHidePivotFieldButtons/setHidePivotFieldButtons

        public boolean getHidePivotFieldButtons() / public void setHidePivotFieldButtons(boolean value)
        
        Indicates whether hide the pivot chart field buttons only when the chart is PivotChart
      • getPivotOptions

        public PivotOptions getPivotOptions()
        
        Specifies the pivot controls that appear on the chart
      • getPivotSource/setPivotSource

        public java.lang.String getPivotSource() / public void setPivotSource(java.lang.String value)
        
        The source is the data of the pivotTable. If PivotSource is not empty ,the chart is PivotChart. If the pivot table "PivotTable1" in the Worksheet "Sheet1" in the file "Book1.xls". The pivotSource could be "[Book1.xls]Sheet1!PivotTable1" if the chart and the PivotTable is not in the same workbook. If you set this property ,the previous data source setting will be lost.
      • getPlotEmptyCellsType/setPlotEmptyCellsType

        public int getPlotEmptyCellsType() / public void setPlotEmptyCellsType(int value)
        
        Gets and sets how to plot the empty cells. The value of the property is PlotEmptyCellsType integer constant.
      • getPlotVisibleCells/setPlotVisibleCells

        public boolean getPlotVisibleCells() / public void setPlotVisibleCells(boolean value)
        
        Indicates whether only plot visible cells.
      • getName/setName

        public java.lang.String getName() / public void setName(java.lang.String value)
        
        Gets and sets the name of the chart.
      • getSizeWithWindow/setSizeWithWindow

        public boolean getSizeWithWindow() / public void setSizeWithWindow(boolean value)
        
        True if Microsoft Excel resizes the chart to match the size of the chart sheet window.
      • getWorksheet

        public Worksheet getWorksheet()
        
        Gets the worksheet which contains this chart.
      • getShapes

        public ShapeCollection getShapes()
        
        Returns all drawing shapes in this chart.
      • getPrintSize/setPrintSize

        public int getPrintSize() / public void setPrintSize(int value)
        
        Gets and sets the printed chart size. The value of the property is PrintSizeType integer constant.
      • getType/setType

        public int getType() / public void setType(int value)
        
        Gets or sets a chart's type. The value of the property is ChartType integer constant.
      • getTitle

        public Title getTitle()
        
        Gets the chart's title.
      • getSubTitle

        public Title getSubTitle()
        
        Gets the chart's sub-title. Only for ODS format file.
      • getPlotAreaWithoutTickLabels

        public ChartFrame getPlotAreaWithoutTickLabels()
        
        Gets the chart's plot area which does not inculde axis tick lables. NOTE: This member is now obsolete. Instead, please use ChartPlotArea.InnerX,ChartPlotArea.InnerY,ChartPlotArea.InnerWidth and ChartPlotArea.InnerHeight property. This property will be removed 12 months later since March 2012. Aspose apologizes for any inconvenience you may have experienced.
      • getPlotArea

        public PlotArea getPlotArea()
        
        Gets the chart's plot area which includes axis tick lables.
      • getChartArea

        public ChartArea getChartArea()
        
        Gets the chart area in the worksheet
      • getCategoryAxis

        public Axis getCategoryAxis()
        
        Gets the chart's X axis.
      • getValueAxis

        public Axis getValueAxis()
        
        Gets the chart's Y axis.
      • getSecondValueAxis

        public Axis getSecondValueAxis()
        
        Gets the chart's second Y axis.
      • getSecondCategoryAxis

        public Axis getSecondCategoryAxis()
        
        Gets the chart's second X axis.
      • getSeriesAxis

        public Axis getSeriesAxis()
        
        Gets the chart's series axis.
      • getLegend

        public Legend getLegend()
        
        Gets the chart legend.
      • getChartDataTable

        public ChartDataTable getChartDataTable()
        
        Represents the chart data table.
      • getShowLegend/setShowLegend

        public boolean getShowLegend() / public void setShowLegend(boolean value)
        
        Gets or sets a value indicating whether the chart legend will be displayed. Default is true.
      • isRectangularCornered/setRectangularCornered

        public boolean isRectangularCornered() / public void setRectangularCornered(boolean value)
        
        Gets or sets a value indicating whether the chart area is rectangular cornered. Default is true.
      • getShowDataTable/setShowDataTable

        public boolean getShowDataTable() / public void setShowDataTable(boolean value)
        
        Gets or sets a value indicating whether the chart displays a data table.
      • getFirstSliceAngle/setFirstSliceAngle

        public int getFirstSliceAngle() / public void setFirstSliceAngle(int value)
        
        Gets or sets the angle of the first pie-chart or doughnut-chart slice, in degrees (clockwise from vertical). Applies only to pie, 3-D pie, and doughnut charts, 0 to 360.
      • getGapWidth/setGapWidth

        public int getGapWidth() / public void setGapWidth(int value)
        
        Returns or sets the space between bar or column clusters, as a percentage of the bar or column width. The value of this property must be between 0 and 500.
      • getGapDepth/setGapDepth

        public int getGapDepth() / public void setGapDepth(int value)
        
        Gets or sets the distance between the data series in a 3-D chart, as a percentage of the marker width. The value of this property must be between 0 and 500.
      • getFloor

        public Floor getFloor()
        
        Returns a Floor object that represents the walls of a 3-D chart. This property doesn't apply to 3-D pie charts.
      • getWalls

        public Walls getWalls()
        
        Returns a Walls object that represents the walls of a 3-D chart. This property doesn't apply to 3-D pie charts.
      • getBackWall

        public Walls getBackWall()
        
        Returns a Walls object that represents the back wall of a 3-D chart.
      • getSideWall

        public Walls getSideWall()
        
        Returns a Walls object that represents the side wall of a 3-D chart.
      • getWallsAndGridlines2D/setWallsAndGridlines2D

        public boolean getWallsAndGridlines2D() / public void setWallsAndGridlines2D(boolean value)
        
        True if gridlines are drawn two-dimensionally on a 3-D chart.
      • getRotationAngle/setRotationAngle

        public int getRotationAngle() / public void setRotationAngle(int value)
        
        Represents the rotation of the 3-D chart view (the rotation of the plot area around the z-axis, in degrees). The value of this property must be from 0 to 360, except for 3-D bar charts, where the value must be from 0 to 44. The default value is 20. Applies only to 3-D charts.
      • getElevation/setElevation

        public int getElevation() / public void setElevation(int value)
        
        Represents the elevation of the 3-D chart view, in degrees. The chart elevation is the height at which you view the chart, in degrees. The default is 15 for most chart types. The value of this property must be between -90 and 90, except for 3-D bar charts, where it must be between 0 and 44.
      • getRightAngleAxes/setRightAngleAxes

        public boolean getRightAngleAxes() / public void setRightAngleAxes(boolean value)
        
        True if the chart axes are at right angles.Applies only for 3-D charts(except Column3D and 3-D Pie Charts). If this property is True, the Perspective property is ignored.
      • getAutoScaling/setAutoScaling

        public boolean getAutoScaling() / public void setAutoScaling(boolean value)
        
        True if Microsoft Excel scales a 3-D chart so that it's closer in size to the equivalent 2-D chart. The RightAngleAxes property must be True.
      • getHeightPercent/setHeightPercent

        public int getHeightPercent() / public void setHeightPercent(int value)
        
        Returns or sets the height of a 3-D chart as a percentage of the chart width (between 5 and 500 percent).
      • getPerspective/setPerspective

        public short getPerspective() / public void setPerspective(short value)
        
        Returns or sets the perspective for the 3-D chart view. Must be between 0 and 100. This property is ignored if the RightAngleAxes property is True.
      • getIs3D

        public boolean getIs3D()
        
        Indicates whether the chart is a 3d chart.
      • getDepthPercent/setDepthPercent

        public int getDepthPercent() / public void setDepthPercent(int value)
        
        Represents the depth of a 3-D chart as a percentage of the chart width (between 20 and 2000 percent).
      • getActualChartSize

        public java.awt.Dimension getActualChartSize()
        
        Gets actual size of chart
      • getPlacement/setPlacement

        public int getPlacement() / public void setPlacement(int value)
        
        Represents the way the chart is attached to the cells below it. The value of the property is PlacementType integer constant.
      • getPageSetup

        public PageSetup getPageSetup()
        
        Represents the page setup description in this chart.
      • getChartShape

        public ChartShape getChartShape()
        
        Represents the chartShape; NOTE: This member is now obsolete. Instead, please use Aspose.Cells.Charts.Chart.ChartObject property. This property will be removed 12 months later since JANUARY 2012. Aspose apologizes for any inconvenience you may have experienced.
      • getLine

        public Line getLine()
        
        Gets the line.

    setStyle

    public voidsetStyle(intvalue)
    
    Gets and sets the builtin style. It should be between 1 and 48. Return -1 if it's not be set.

    setHidePivotFieldButtons

    public voidsetHidePivotFieldButtons(booleanvalue)
    
    Indicates whether hide the pivot chart field buttons only when the chart is PivotChart

    setPivotSource

    public voidsetPivotSource(java.lang.Stringvalue)
    
    The source is the data of the pivotTable. If PivotSource is not empty ,the chart is PivotChart. If the pivot table "PivotTable1" in the Worksheet "Sheet1" in the file "Book1.xls". The pivotSource could be "[Book1.xls]Sheet1!PivotTable1" if the chart and the PivotTable is not in the same workbook. If you set this property ,the previous data source setting will be lost.

    setPlotEmptyCellsType

    public voidsetPlotEmptyCellsType(intvalue)
    
    Gets and sets how to plot the empty cells. The value of the property is PlotEmptyCellsType integer constant.

    setPlotVisibleCells

    public voidsetPlotVisibleCells(booleanvalue)
    
    Indicates whether only plot visible cells.

    setName

    public voidsetName(java.lang.Stringvalue)
    
    Gets and sets the name of the chart.

    setSizeWithWindow

    public voidsetSizeWithWindow(booleanvalue)
    
    True if Microsoft Excel resizes the chart to match the size of the chart sheet window.

    setPrintSize

    public voidsetPrintSize(intvalue)
    
    Gets and sets the printed chart size. The value of the property is PrintSizeType integer constant.

    setType

    public voidsetType(intvalue)
    
    Gets or sets a chart's type. The value of the property is ChartType integer constant.

    setShowLegend

    public voidsetShowLegend(booleanvalue)
    
    Gets or sets a value indicating whether the chart legend will be displayed. Default is true.

    setRectangularCornered

    public voidsetRectangularCornered(booleanvalue)
    
    Gets or sets a value indicating whether the chart area is rectangular cornered. Default is true.

    setShowDataTable

    public voidsetShowDataTable(booleanvalue)
    
    Gets or sets a value indicating whether the chart displays a data table.

    setFirstSliceAngle

    public voidsetFirstSliceAngle(intvalue)
    
    Gets or sets the angle of the first pie-chart or doughnut-chart slice, in degrees (clockwise from vertical). Applies only to pie, 3-D pie, and doughnut charts, 0 to 360.

    setGapWidth

    public voidsetGapWidth(intvalue)
    
    Returns or sets the space between bar or column clusters, as a percentage of the bar or column width. The value of this property must be between 0 and 500.

    setGapDepth

    public voidsetGapDepth(intvalue)
    
    Gets or sets the distance between the data series in a 3-D chart, as a percentage of the marker width. The value of this property must be between 0 and 500.

    setWallsAndGridlines2D

    public voidsetWallsAndGridlines2D(booleanvalue)
    
    True if gridlines are drawn two-dimensionally on a 3-D chart.

    setRotationAngle

    public voidsetRotationAngle(intvalue)
    
    Represents the rotation of the 3-D chart view (the rotation of the plot area around the z-axis, in degrees). The value of this property must be from 0 to 360, except for 3-D bar charts, where the value must be from 0 to 44. The default value is 20. Applies only to 3-D charts.

    setElevation

    public voidsetElevation(intvalue)
    
    Represents the elevation of the 3-D chart view, in degrees. The chart elevation is the height at which you view the chart, in degrees. The default is 15 for most chart types. The value of this property must be between -90 and 90, except for 3-D bar charts, where it must be between 0 and 44.

    setRightAngleAxes

    public voidsetRightAngleAxes(booleanvalue)
    
    True if the chart axes are at right angles.Applies only for 3-D charts(except Column3D and 3-D Pie Charts). If this property is True, the Perspective property is ignored.

    setAutoScaling

    public voidsetAutoScaling(booleanvalue)
    
    True if Microsoft Excel scales a 3-D chart so that it's closer in size to the equivalent 2-D chart. The RightAngleAxes property must be True.

    setHeightPercent

    public voidsetHeightPercent(intvalue)
    
    Returns or sets the height of a 3-D chart as a percentage of the chart width (between 5 and 500 percent).

    setPerspective

    public voidsetPerspective(shortvalue)
    
    Returns or sets the perspective for the 3-D chart view. Must be between 0 and 100. This property is ignored if the RightAngleAxes property is True.

    setDepthPercent

    public voidsetDepthPercent(intvalue)
    
    Represents the depth of a 3-D chart as a percentage of the chart width (between 20 and 2000 percent).

    setPlacement

    public voidsetPlacement(intvalue)
    
    Represents the way the chart is attached to the cells below it. The value of the property is PlacementType integer constant.
    • Method Detail

      • toImage

        public void toImage(java.lang.String imageFile)
                    throws java.lang.Exception
        Creates the chart image and saves it to a file. The extension of the file name determines the format of the image.

        The format of the image is specified by using the extension of the file name. For example, if you specify "myfile.png", then the image will be saved in the PNG format. The following file extensions are recognized: .bmp, .gif, .png, .jpg, .jpeg, .tiff, .tif, .emf.

        If the width or height is zero or the chart is not supported according to Supported Charts List, this method will do nothing. Please refer to Supported Charts List for more details.
        Parameters:
        imageFile - The image file name with full path.
      • toImage

        public void toImage(java.lang.String imageFile, ImageFormat imageFormat)
                    throws java.lang.Exception
        Creates the chart image and saves it to a file in the specified format.

        The format of the image is specified by using imageFormat. The following formats are supported: ImageFormat.Bmp, ImageFormat.Gif, ImageFormat.Png, ImageFormat.Jpeg, ImageFormat.Tiff, ImageFormat.Emf.

        If the width or height is zero or the chart is not supported according to Supported Charts List, this method will do nothing. Please refer to Supported Charts List for more details.
        Parameters:
        imageFile - The image file name with full path.
        imageFormat - The format in which to save the image.
      • toImage

        public void toImage(java.lang.String imageFile, long jpegQuality)
                    throws java.lang.Exception
        Creates the chart image and saves it to a file in the Jpeg format. If the width or height is zero or the chart is not supported according to Supported Charts List, this method will do nothing. Please refer to Supported Charts List for more details.
        Parameters:
        imageFile - The image file name with full path.
        jpegQuality - Jpeg quality.
      • toPdf

        public void toPdf(java.lang.String fileName)
                  throws java.lang.Exception
        Saves the chart to a pdf file.
        Parameters:
        fileName - the pdf file name with full path
      • toPdf

        public void toPdf(java.lang.String fileName, float desiredPageWidth, float desiredPageHeight, int hAlignmentType, int vAlignmentType)
                  throws java.lang.Exception
        Saves the chart to a pdf file.
        Parameters:
        fileName - the pdf file name with full path
        desiredPageWidth - The desired page width in inches.
        desiredPageHeight - The desired page height in inches.
        hAlignmentType - A PageLayoutAlignmentType value. The chart horizontal alignment type in the output page.
        vAlignmentType - A PageLayoutAlignmentType value. The chart vertical alignment type in the output page.
      • toPdf

        public void toPdf(java.io.OutputStream stream)
                  throws java.lang.Exception
        Creates the chart pdf and saves it to a stream.
        Parameters:
        stream - The output stream.
      • toPdf

        public void toPdf(java.io.OutputStream stream, float desiredPageWidth, float desiredPageHeight, int hAlignmentType, int vAlignmentType)
                  throws java.lang.Exception
        Creates the chart pdf and saves it to a stream.
        Parameters:
        stream - The output stream.
        desiredPageWidth - The desired page width in inches.
        desiredPageHeight - The desired page height in inches.
        hAlignmentType - A PageLayoutAlignmentType value. The chart horizontal alignment type in the output page.
        vAlignmentType - A PageLayoutAlignmentType value. The chart vertical alignment type in the output page.
      • toImage

        public void toImage(java.lang.String imageFile, ImageOrPrintOptions options)
                    throws java.lang.Exception
        Creates the chart image and saves it to a file. The extension of the file name determines the format of the image.

        The format of the image is specified by using the extension of the file name. For example, if you specify "myfile.png", then the image will be saved in the PNG format. The following file extensions are recognized: .bmp, .gif, .png, .jpg, .jpeg, .tiff, .tif, .emf.

        If the width or height is zero or the chart is not supported according to Supported Charts List, this method will do nothing. Please refer to Supported Charts List for more details.
        Parameters:
        imageFile - The image file name with full path.
        options - Addtional image creation options

        Example:

        ImageOrPrintOptions options = new ImageOrPrintOptions();
        options.setHorizontalResolution(300);
        options.setVerticalResolution(300);
        
        Workbook book = new Workbook("c:\\test.xls");
        book.getWorksheets().get(0).getCharts().get(0).toImage("c:\\chart.png", options);
      • toImage

        public void toImage(java.io.OutputStream stream, ImageOrPrintOptions options)
                    throws java.lang.Exception
        Creates the chart image and saves it to a stream in the specified format.

        The format of the image is specified by using options.ImageFormat. The following formats are supported: ImageFormat.Bmp, ImageFormat.Gif, ImageFormat.Png, ImageFormat.Jpeg, ImageFormat.Tiff, ImageFormat.Emf.

        If the width or height is zero or the chart is not supported according to Supported Charts List, this method will do nothing. Please refer to Supported Charts List for more details.
        Parameters:
        stream - The output stream.
        options - Addtional image creation options
      • hasAxis

        public boolean hasAxis(int aixsType, boolean isPrimary)
        Returns which axes exist on the chart. Normarlly, Pie, PieExploded, PiePie,PieBar, Pie3D, Pie3DExploded,Doughnut, DoughnutExploded is no axis.
        Parameters:
        aixsType - A AxisType value.
      • setChartDataRange

        public void setChartDataRange(java.lang.String area, boolean isVertical)
        Specifies data range for a chart.
        Parameters:
        area - Specifies values from which to plot the data series
        isVertical - Specifies whether to plot the series from a range of cell values by row or by column.
      • isChartDataChanged

        public boolean isChartDataChanged()
                                  throws java.lang.Exception
        Detects if a chart's data source has changed. The method detects the changes in the chart's data source before rendering the chart to image format. At first Chart.toImage call, the chart source data (e.g. XValuesParseData, ValuesParseData) will be recorded. Before calling the Chart.toImage method again, call IsChartDataChanged method to check if Chart needs re-rendering.
        Returns:
        Returns true if the chart has changed otherwise returns false
      • refreshPivotData

        public void refreshPivotData()
        Refreshes pivot chart's data from it's pivot data source. We will gather data from pivot data source to the pivot chart cache. This method is only used to gather all data to a pivot chart.
      • move

        public void move(int upperLeftRow, int upperLeftColumn, int lowerRightRow, int lowerRightColumn)
        Moves the chart to a specified location.
        Parameters:
        upperLeftColumn - Upper left column index.
        upperLeftRow - Upper left row index.
        lowerRightColumn - Lower right column index
        lowerRightRow - Lower right row index
      • calculate

        public void calculate()
                      throws java.lang.Exception
        Calcuate the custom position of plot area, axises if the position of them are auto assigned.