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DynaPDF.ReadImageResolutionFile
The function retrieves the horizontal and vertical resolution of an image file.
| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
| DynaPDF | 15.2 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
MBS( "DynaPDF.ReadImageResolutionFile"; PDF; Path { ; Index } ) More
Parameters
| Parameter | Description | Example | Flags |
|---|---|---|---|
| The PDF reference returned from DynaPDF.New. | |||
| Path | The native path for the image file. | "C:\test\test.jpg" | |
| Index | The index of the image for multi image files. | 1 | Optional |
Result
Returns the x and y resolution values as text separated by newline character.
Description
The function retrieves the horizontal and vertical resolution of an image file.The image resolution is a user defined value that can be stored in certain image formats such as Bitmap or TIFF.
The function returns zero values if the image format does not support a resolution record or if no values are stored in the image file, the image resolution is then 72 DPI.
This function requires a native path. Use Path.FileMakerPathToNativePath to convert a FileMaker path to a native path if required. If you like to have the user choose the path, you can use FileDialog functions.
For Server be aware that server has limited permissions and may not be able to access all files on a computer.
Examples
Read resolution information for a file:
Set Variable [ $resolutions; Value: MBS(“DynaPDF.ReadImageResolutionFile"; $pdf; "/Users/cs/Desktop/täst.png") ]
Example result:
144
144
See also
Release notes
- Version 15.2
- Added DynaPDF.ReadImageFormatFile and DynaPDF.ReadImageResolutionFile function to inspect images files on disk.
Blog Entries
This function checks for a license.
Created 21st March 2025, last changed 28th March 2025
