Re: Screencapture

Subject: Re: Screencapture
From: Shane Stanley <email@hidden>
Date: Sat, 08 Mar 2014 09:34:54 +1100

On 8 Mar 2014, at 6:52 am, Stan Cleveland <email@hidden> wrote:

perhaps Hiroto's code could provide some clues for an ASObjC version?

Alas, no, in that those APIs aren't available to ASObjC.

It may be doing exactly what Shane suggested--capturing the entire screen, then cropping it.

No, it's getting just the desired portion. Not that cropping is very difficult:

use framework "Foundation"

use framework "AppKit"

on cropTo:{x1, y1, x2, y2} fromPath:inputPath toPath:outputPath

set newWidth to x2 - x1

set newHeight to y2 - y1

set theImage to current application's NSImage's alloc()'s initWithContentsOfFile:inputPath

set theSize to (theImage's |size|()) as record

set oldHeight to height of theSize

-- transpose y value for Cocoa coordintates

set y1 to oldHeight - newHeight - y1

set newRect to {{x:x1, y:y1}, {width:newWidth, height:newHeight}}

theImage's lockFocus()

set theRep to current application's NSBitmapImageRep's alloc()'s initWithFocusedViewRect:newRect

theImage's unlockFocus()

set theData to theRep's representationUsingType:(current application's NSPNGFileType) |properties|:{NSImageGamma:1.0}

theData's writeToFile:outputPath atomically:true

end cropTo:fromPath:toPath:

--
Shane Stanley <email@hidden>
<www.macosxautomation.com/applescript/apps/>

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Follow-Ups:
- Re: Screencapture
  - From: Andreas Kiel <email@hidden>

References:
	>Screencapture (From: Andreas Kiel <email@hidden>)
	>Re: Screencapture (From: Stan Cleveland <email@hidden>)

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