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  • Handling the category labels
  • Initializing the fonts
  • Orientation of the font
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Stored procedures
Modifies the font used for the category labels of a chart.
Category label
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
WINDEVLinux This function is now available for WINDEV applications in Linux.
New in version 16
WINDEVLinux This function is now available for WINDEV applications in Linux.
WINDEVLinux This function is now available for WINDEV applications in Linux.
Versions 17 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
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 of labels for the axes of Chart control: CHART_Chart
 
// Create a specific font
fntLabel is Font
fntLabel..Name = "Verdana"
fntLabel..Size = 10
fntLabel..Bold = True
 
// Change the font
grLabelFont(CHART_Chart, fntLabel)
grDraw(CHART_Chart)
// Use the syntax kept for backward compatibility
// Modify the font used for the labels of "MyChart"
// The identifier of font used is 7
grLabelFont("MyChart", 7)
Syntax

Defining the font used for the chart labels Hide the details

grLabelFont(<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 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 labels (syntax kept for backward compatibility) Hide the details

grLabelFont(<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 report editor.
PHP Only the interactive Chart controls are available.
<Font identifier>: Integer
Font identifier, defined by grCreateFont. A WLanguage error occurs if this font does not exist.
Remarks

Handling the category labels

The category labels are displayed:
  • below the horizontal marks for the Line charts and Stock charts (Candlestick and BarCharts),
  • below the X axis for the column charts and MinMax charts.
Category label
The category labels cannot be used with the Scatter charts.
The category labels are defined by grCategoryLabel.
The label font can be modified by grLabelFont.
The category labels defined by grCategoryLabel can be displayed in the caption of the Pie chart (grShowLabel constant used with grLabel).

Initializing the fonts

The default font used for the labels has the following characteristics:
  • Font name: Arial
  • Size: 14
  • Style: Normal
  • Color: Black
When using grCreate, the font used for the labels is the default font.

Orientation of the font

For the labels of a chart, the "orientation" property of the font is ignored.
To change the orientation of the font in the labels, the description of the Chart control must be modified in the 7-tab window.
By default, the orientation is automatically chosen. This orientation takes into account the size and the number of labels to display.
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
See also
Minimum version required
  • Version 9
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