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GMImage.SetDensity

Sets the Vertical and horizontal resolution in pixels of the image.

Parameters

Parameter	Description	Example
ImageRef	The image reference number.	1
geometry	The rectangle. Geometry is specified as a width and height "100x200". With an optional offset "100x200+10+20". For percent values, add a percent on the end, for % values add a %: "100x200%!"	"100x200"

Result

Returns "OK" on success.

Description

Examples

Loads image and writes back with new DPI setting:

Set Variable [$ImageRef; Value:MBS("GMImage.NewFromContainer"; Test::BigImage)]
Set Variable [$Result; Value:MBS("GMImage.SetDensity"; $ImageRef; "300x300")]
Set Variable [$Result; Value:MBS("GMImage.SetQuality"; $ImageRef; 90)]
Set Field [Test::Result; MBS( "GMImage.WriteToJPEGContainer"; $ImageRef )]
Set Variable [$Error; Value:MBS("GMImage.Release";$ImageRef)]

Set resolution and remove all metadata with different resolution:

Let ( [ 

$Image = MBS("GMImage.NewFromContainer"; GraphicsMagick::image ); 
$r = MBS("GMImage.SetDensity"; $Image; "72x72") ;
$r = MBS(  "GMImage.SetProfile"; $Image; "EXIF"; "" ) ;
$r = MBS(  "GMImage.SetProfile"; $Image; "IPTC"; "" ) ;
$r = MBS(  "GMImage.SetProfile"; $Image; "XMP"; "" ) ;
$Result = MBS("GMImage.WriteToJPEGContainer"; $Image); 
$Error = MBS("GMImage.Release";$Image)
]; 

$Result

)

See also

• GMImage.GetDensity
• GMImage.GetQuality
• GMImage.New
• GMImage.NewFromContainer
• GMImage.Release
• GMImage.SetDepth
• GMImage.SetQuality
• GMImage.SetResolutionUnits
• GMImage.WriteToJPEGContainer
• GMImage.WriteToPDFContainer

Example Databases

• GraphicsMagick/Apply Mask
• GraphicsMagick/SVG to PNG

Blog Entries

• MBS FileMaker Plugin, version 9.5pr3

Release notes

• Version 9.5
  • Changed GMImage.SetDensity to set resolution units to pixel per inch if not set.

Created 18th August 2014, last changed 21st December 2018

GMImage.SetDefineValue   -   GMImage.SetDepth

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