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Sets the Vertical and horizontal resolution in pixels of the image.
Component | Version | macOS | Windows | Linux | Server | iOS SDK |
GraphicsMagick | 2.0 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
Parameter | Description | Example |
---|---|---|
ImageRef | The image reference number. | 1 |
geometry | The rectangle. Geometry is specified as a width and height "100x200". | "100x200" |
Returns "OK" on success.
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)
];
$Result
)
Standardize all images to a maximum of 800x800 points @ 144 dpi which is 1600x1600 pixels:
Set Variable [$ImageRef; Value:MBS("GMImage.NewFromContainer"; Test::BigImage)]
Set Variable [$Result; Value:MBS("GMImage.Scale"; $ImageRef; "1600x1600") // maximum size in pixels ]
Set Variable [$Result; Value:MBS("GMImage.SetResolutionUnits"; $ImageRef; 1) // resolution is in DPI ]
Set Variable [$Result; Value:MBS("GMImage.SetDensity"; $ImageRef; "144x144") // set the DPI value ]
Set Variable [$Result; Value:MBS("GMImage.SetQuality"; $ImageRef; 90) // save as JPEG with 90% ]
Set Field [Test::Result; MBS( "GMImage.WriteToJPEGContainer"; $ImageRef )]
Set Variable [$Error; Value:MBS("GMImage.Release";$ImageRef)]
This function checks for a license.
Created 18th August 2014, last changed 17th February 2024