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DynaPDF.SetAlpha

Sets alpha for drawings.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
DynaPDF 3.1 Yes Yes Yes Yes Yes
MBS( "DynaPDF.SetAlpha"; PDF; FillAlpha; StrokeAlpha )   More

Parameters

Parameter Description Example value
PDF The PDF reference returned from DynaPDF.New. $pdf
FillAlpha The new alpha between 0.0 and 1.0. Value of -1 will not change fill alpha. 0.5
StrokeAlpha The new alpha between 0.0 and 1.0. Value of -1 will not change stroke alpha. 0.5

Result

Returns OK or error message.

Description

Sets alpha for drawings.
See also DynaPDF.SaveGraphicState and DynaPDF.RestoreGraphicState.

Requires DynaPDF Lite license.

Examples

Make all drawings 50% transparent:

MBS( "DynaPDF.SetAlpha"; $PDF; 0.5; 0.5 )

Make just lines 50% transparent and don't change fill transparency:

MBS( "DynaPDF.SetAlpha"; $PDF; -1; 0.5 )

Make fill transparency 50%, so images draw half transparent:

MBS( "DynaPDF.SetAlpha"; $PDF; 0.5; -1 )

See also

Example Databases

Created 18th August 2014, last changed 27th July 2018


DynaPDF.ScaleCoords   -   DynaPDF.SetAnnotBorderStyle

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