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GMImage.Rotate

Rotate image by specified number of degrees.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
GraphicsMagick 2.0 Yes Yes Yes Yes Yes

MBS( "GMImage.Rotate"; ImageRef; degrees )

Parameters

Parameter Description Example value
ImageRef The image reference number. 1
degrees The angle in degrees. 90

Result

Returns "OK" on success.

Description

Rotate image by specified number of degrees.
Positive angles rotate the image in a clockwise direction while negative angles rotate counter-clockwise.

Examples

Rotates image by 90 degree to right

Let (
[
$Image = MBS("GMImage.NewFromContainer"; GraphicsMagick::image);
$RotateResult = MBS("GMImage.Rotate"; $Image; 90);
$Result = MBS("GMImage.WriteToPNGContainer"; $Image);
$DestroyResult = MBS("GMImage.Destroy";$Image)
];
$Result)

Custom function to rotate image:

/*
MBS_Image_Rotate (Picture; rotation)

Picture: Container 'MyTable::MyField"
rotation: Grad ° - numeric Value, positiv OR negative

Benjamin Fehr, EfficientBizz GmbH
http://www.efficientbizz.com
*/


Let (
[
$Image = MBS("GMImage.NewFromContainer"; Picture);
$RotateResult = MBS("GMImage.Rotate"; $Image; rotation);
$Result = MBS("GMImage.WriteToPNGContainer"; $Image);
$DestroyResult = MBS("GMImage.Destroy";$Image)
];

$Result)

See also

Example Databases

Created 18th August 2014, last changed 23th April 2018


GMImage.Rollxy   -   GMImage.Rotating

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Links
MBS Xojo tutorial videos