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GMImage.DrawLine

Draws a line.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
GraphicsMagick 3.0 Yes Yes Yes Yes Yes

MBS( "GMImage.DrawLine"; ImageRef; startX; startY; endX; endY )

Parameters

Parameter Description Example value
ImageRef The image reference number. 1
startX The start X position.
startY The start X position.
endX The end X position.
endY The end X position.

Result

Returns OK or error message.

Description

Draws a line.
Draw a line using stroke color and thickness using starting and ending coordinates.

If you have an open path, the command is added there for later drawing with GMImage.DrawPath.

Examples

Create an image with a line:

Set Variable [ $img; Wert:MBS("GMImage.New"; "300x200"; "RGB 1 1 1") ]
Set Variable [ $r; Wert:MBS("GMImage.SetStrokeColor"; $img; "RGB 1 0 0") ]
Set Variable [ $r; Wert:MBS("GMImage.SetFillColor"; $img; "RGB 0 0 1") ]
Set Variable [ $r; Wert:MBS("GMImage.SetLineWidth"; $img; 5) ]
Set Variable [ $r; Wert:MBS("GMImage.DrawLine"; $img; 50; 50; 250; 150) ]
Set Variable [ $png; Wert:MBS("GMImage.WriteToPNGContainer"; $img; "test.png") ]
Set Variable [ $r; Wert:MBS("GMImage.Destroy"; $img) ]
Set Field [ Drawing::Image; $png ]

Draw a line from pos to pos2 on column x:

MBS( "GMImage.DrawLine"; $img; $x; $pos; $x; $pos2 )

See also

Example Databases


GMImage.DrawEllipse   -   GMImage.DrawPath

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Links
MBS FileMaker tutorial videos