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DynaPDF.SkewCoords

The function skews the coordinate system and sets the coordinate origin to the point OriginX, OriginY.

Component Version macOS Windows Linux Server FileMaker iOS SDK
DynaPDF 3.2 Yes Yes Yes Yes Yes
MBS( "DynaPDF.SkewCoords"; PDF; a; b; x; y )   More

Parameters

Parameter Description Example
PDF The PDF reference returned from DynaPDF.New. $pdf
a Angle alpha in degrees 10
b Angle beta in degrees 10
x Origin of the x-axis $x
y Origin of the y-axis $y

Result

Returns OK on success and error on failure.

Description

The function skews the coordinate system and sets the coordinate origin to the point OriginX, OriginY.
It is highly recommended to save the graphics state beforehand, otherwise it is very difficult or impossible to restore the coordinate system later.
After the coordinate system was changed by the function, bottom-up coordinates are active. It is not possible to use top-down coordinates with a skewed coordinate system.
Please do not try to scale/skew/translate back later. use DynaPDF.SaveGraphicState and DynaPDF.RestoreGraphicState.

See also SkewCoords function in DynaPDF manual.

Examples

Skew and draw rectangle:

MBS( "DynaPDF.SaveGraphicState"; $PDF )
MBS( "DynaPDF.SkewCoords"; $PDF; 20; 20; 200;200)
MBS( "DynaPDF.Rectangle"; $PDF; 0; 0; 200; 100; "stroke" )
MBS( "DynaPDF.RestoreGraphicState"; $PDF )

See also

Example Databases

Created 18th August 2014, last changed 18th August 2014


DynaPDF.ShowDifferences   -   DynaPDF.SquareAnnot

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