Class DataVizCommonHelper

Provides static utility methods for SVG chart rendering, including theme color palettes, unit conversion, data type detection, and event invocation helpers.

Inheritance
object
DataVizCommonHelper
Inherited Members
Namespace: Syncfusion.Blazor.DataVizCommon
Assembly: Syncfusion.Blazor.dll
Syntax
public static class DataVizCommonHelper

Methods

PixelToNumber(string, Regex)

Converts a CSS size string with a unit suffix (px, rem, em, pt) to a numeric pixel value.

Declaration
public static double PixelToNumber(string size, Regex regex)
Parameters
Type Name Description
string size

The size string to convert (e.g., "16px", "1.5rem", "12pt").
Regex regex

An optional Regex used to parse the numeric portion; defaults to the internal number pattern if null.
Returns
Type Description
double

The equivalent pixel value as a double, or 0 if the unit is unrecognized or the input is empty.

StringToNumber(string, double)

Converts a size string (e.g., "50%" or "100px") to a numeric value relative to the given container size.

Declaration
public static double StringToNumber(string size, double containerSize)
Parameters
Type Name Description
string size

The size string to convert. Supports percentage and pixel units.
double containerSize

The container size used to resolve percentage values.
Returns
Type Description
double

The numeric size value, or NaN if the input is null, empty, or "auto".