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DynaPDF.GetFTextHeightEx

The function measures the height of a formatted text block.

Component Version macOS Windows Linux Server iOS SDK
DynaPDF 3.1 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "DynaPDF.GetFTextHeightEx"; PDF; Width; Align; Text )   More

Parameters

Parameter Description Example
PDF The PDF reference returned from DynaPDF.New. $pdf
Width Width of output rectangle $width
Align The text alignment. Can be left, center, right or justify. "left"
Text The text to write. "Hello World"

Result

Returns height or error message.

Description

The function measures the height of a formatted text block.
The function works in the same way as DynaPDF.GetFTextHeight but the output rectangle must not be set manually beforehand.
The height of the output rectangle is set to -1 to avoid a page break during measuring.
The parameter text must contain the same text (incl. format tags if any) as which should be printed
later with DynaPDF.GetFTextHeightEx.
See also DynaPDF.GetFTextHeight.

See also GetFTextHeightEx function in DynaPDF manual.

Examples

Place text centered on page:

# top down coordinates
Set Variable [ $r ; Value: MBS("DynaPDF.SetPageCoords"; $pdf; "TopDown") ]
# get the styled text to place
Set Variable [ $FileMakerText ; Value: Create Text::Text ]
# convert to Formatted Text for DynaPDF
Set Variable [ $FText ; Value: MBS( "DynaPDF.ConvertStyledText"; $pdf; $FileMakerText ) ]
# measure
Set Variable [ $Width ; Value: 400 ]
Set Variable [ $Height ; Value: MBS( "DynaPDF.GetFTextHeightEx"; $PDF; $Width; "left"; $FText ) ]
# lookup page size
Set Variable [ $PageWidth ; Value: MBS( "DynaPDF.GetPageWidth"; $PDF ) ]
Set Variable [ $PageHeight ; Value: MBS( "DynaPDF.GetPageHeight"; $PDF ) ]
# now center text on page
Set Variable [ $r ; Value: MBS("DynaPDF.SetTextRect"; $pdf; ($PageWidth - $Width) / 2; ($PageHeight - $Height) / 2; $Width; $Height) ]
Set Variable [ $r ; Value: MBS("DynaPDF.WriteFText"; $pdf; "left"; $FText) ]

See also

Created 18th August 2014, last changed 3th January 2021


DynaPDF.GetFTextHeight - DynaPDF.GetField

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