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  • Handling legends
  • Initializing fonts
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Stored procedures
Modifies the font used for the chart legend.
Example of legend in a chart:
Chart legend
Versions 15 and later
WEBDEV - Server codeLinux This function is now available for WEBDEV sites in Linux.
Linux Caution: A specific configuration is required to use this function in Linux. See The charts for more details.
New in version 15
WEBDEV - Server codeLinux This function is now available for WEBDEV sites in Linux.
Linux Caution: A specific configuration is required to use this function in Linux. See The charts for more details.
WEBDEV - Server codeLinux This function is now available for WEBDEV sites in Linux.
Linux Caution: A specific configuration is required to use this function in Linux. See The charts for more details.
Versions 16 and later
Linux This function is now available for WINDEV applications in Linux.
New in version 16
Linux This function is now available for WINDEV applications in Linux.
Linux This function is now available for WINDEV applications in Linux.
Versions 23 and later
PHP This function is now available for PHP sites.
New in version 23
PHP This function is now available for PHP sites.
PHP This function is now available for PHP sites.
Example
// Modify the font used for the legend of CHART_MyChart.
// The identifier of font used is 7.
grLegendFont(CHART_MyChart, 7)
Syntax

Defining the font used for the chart legend Hide the details

grLegendFont(<Chart name> , <Font used>)
<Chart name>: Character string (with or without quotes)
Name of chart to use. This name corresponds to:
  • the chart name defined by programming with grCreate.
  • the name of Chart control found in the window editor, page editor or report editor.
PHP Only the interactive Chart controls are available.
<Font used>: Font
Font to use. This parameter corresponds to a Font variable. The font characteristics have been defined by FontCreate or via the properties for font management.

Defining the font used for the chart legend (syntax kept for backward compatibility) Hide the details

grLegendFont(<Chart name> , <Font identifier>)
<Chart name>: Character string (with or without quotes)
Name of chart to use. This name corresponds to:
  • the chart name defined by programming with grCreate.
  • the name of Chart control found in the window editor, page editor or report editor.
PHP Only the interactive Chart controls are available.
<Font identifier>: Integer
Identifier of the font, defined by grCreateFont. A WLanguage error occurs if this font does not exist.
Remarks

Handling legends

The set of series labels correspond to the chart legend.
Chart legend
The series labels are defined by grSeriesLabel.
The legend font can be modified by grLegendFont.
grLegend is used to indicate the existence and location of the legend (i.e. of all the series labels).

Initializing fonts

The default font used for the chart legends has the following characteristics:
  • Font name: Arial,
  • Size: 14,
  • Style: Normal,
  • Color: Black.
When using grCreate, the font used for the legends is the default font.
The data defined by grLegendFont will be taken into account during the next call to grDraw.
Related Examples:
The Chart functions Unit examples (WEBDEV): The Chart functions
[ + ] This example presents the main features of the chart designer of WEBDEV and it allows you to:
- Create a chart: Pie, Column or Line
- Define the display area of a chart
- Define the options of the chart (legend, percentage, ...)
The Chart functions Unit examples (WINDEV Mobile): The Chart functions
[ + ] Using the Chart functions:
- create a Pie, Column or Line chart by programming
- define the chart options (legend, percentage, ...)
Component : wd240grf.dll
Minimum version required
  • Version 9
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