Topics   All   MacOS (Only)   Windows (Only)   Linux (Only, Not)   iOS (Only, Not)  
Components   Crossplatform Mac & Win   Server   Client   Old   Deprecated   Guides   Examples   Videos
New in version: 9.5   10.0   10.1   10.2   10.3   10.4   10.5   11.0   11.1   11.2    Statistic    FMM    Blog  

DynaPDF.SetAlpha

Sets alpha for drawings.

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

Parameters

Parameter Description Example
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

Feedback: Report problem or ask question.