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InDesign Scripting

Hoang_Huynh

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[CS6] Export transparent PNG image in InDesign CS6

Jul 16, 2012 1:03 AM

Tags: #transparent #image #script #export #png #cs6 #pageitem #exportfile #non_transparent

I usually export a page item to a transparent PNG image in InDesign CS5.5 (and below) using the following script:

pageItem.exportFile(ExportFormat.pngFormat, exportImageFile);

But this script does not work in InDesign CS6: it exports a non-transparent PNG instead. It seems that CS6 adds a new option to decide whether the export PNG image is transparent or not -- and the default value is non-transparent.

I've tried to change this option for a transparent PNG but haven't succeeded, can you please help?

3088 Views 4 Replies Latest reply: Hoang_Huynh, Jul 16, 2012 8:57 PM

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1. Kasyan Servetsky,

Jul 16, 2012 1:45 AM in reply to Hoang_Huynh

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app > pngExportPreferences > transparentBackground
If true, use a transparent background for the exported PNG.

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2. Hoang_Huynh,

Jul 16, 2012 2:56 AM in reply to Kasyan Servetsky

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Thank you for the fast response!

I tried access to
app.pngExportPreferences.transparentBackground

in CS Extension Builder 2.0 but it results in an compiler error:

-1119: Access of possibly undefined property pngExportPreferences through a reference with static type com.adobe.indesign:Application.
I read on somewhere on this forum that pngExportPreferences is a new property of CS6 DOM (cannot find any official document from Adobe though) -- but it seems like CS Extension Builder has not supported this property yet. Any suggestion?

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3. Harbs.,

Jul 16, 2012 6:32 AM in reply to Hoang_Huynh

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Try this:
app.hostObjectDelegate.pngExportPreferences.transparentBackground = true;

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4. Hoang_Huynh,

Jul 16, 2012 8:57 PM in reply to Harbs.

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Thank you Harbs., that solves my problem!

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