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DynaPDF.SetAlpha

Sets alpha for drawings.

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

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

• DynaPDF.Initialize
• DynaPDF.InsertImage
• DynaPDF.InsertImageFile
• DynaPDF.New
• DynaPDF.RestoreGraphicState
• DynaPDF.Save
• DynaPDF.SaveGraphicState
• DynaPDF.WriteDemoText
• PDFKit.Watermark

Example Databases

• DynaPDF/Create Text as PDFA
• DynaPDF/Watermark pages
• OCR/OCR with DynaPDF

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

DynaPDF.ScaleCoords   -   DynaPDF.SetAnnotBorderStyle

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