Finder上で選択中の画像を横方向に連結 v3

Posted on 4月 6, 2018 by Takaaki Naganoya

Finder上で選択中の画像ファイルを横方向に連結して結果をデスクトップ上に出力するAppleScriptです。

指定ファイルからUTIを取得するのに外部フレームワークを使っていたのを、Shane Stanleyから「標準機能でできるよ」とツッコミが入って書き換えたものです。

AppleScript名：Finder上で選択中の画像を横方向に連結 v3.scptd

— Created 2017-11-21 by Takaaki Naganoya
— Modified 2018-04-06 by Takaaki Naganoya
— 2018 Piyomaru Software
use AppleScript version "2.5" — El Capitan (10.11) or later
use framework "Foundation"
use framework "QuartzCore"
use framework "AppKit"
use scripting additions

property |NSURL| : a reference to current application’s |NSURL|
property NSUUID : a reference to current application’s NSUUID
property NSArray : a reference to current application’s NSArray
property NSString : a reference to current application’s NSString
property NSImage : a reference to current application’s NSImage
property NSWorkspace : a reference to current application’s NSWorkspace
property NSPNGFileType : a reference to current application’s NSPNGFileType
property NSMutableArray : a reference to current application’s NSMutableArray
property NSBitmapImageRep : a reference to current application’s NSBitmapImageRep
property NSURLTypeIdentifierKey : a reference to current application’s NSURLTypeIdentifierKey

property xGap : 10 –連結時の画像間のアキ（横方向）

tell application "Finder"
　　set aSel to selection as alias list
　　if aSel = {} or aSel = "" then return
end tell

–選択した画像をArrayに入れる
set imgList to NSMutableArray’s new()
repeat with i in aSel
　　set aPath to POSIX path of i
　　
　　set imgRes to (my isImageAtPath:aPath)
　　if imgRes as boolean = true then
　　　　set aNSImage to (NSImage’s alloc()’s initWithContentsOfFile:aPath)
　　　　(imgList’s addObject:aNSImage)
　　end if
end repeat

–KVCで画像の各種情報をまとめて取得
set sizeList to (imgList’s valueForKeyPath:"size") as list –NSSize to list of record conversion
set maxHeight to ((NSArray’s arrayWithArray:sizeList)’s valueForKeyPath:"@max.height") as real
set totalWidth to ((NSArray’s arrayWithArray:sizeList)’s valueForKeyPath:"@sum.width") as real
set totalCount to ((NSArray’s arrayWithArray:sizeList)’s valueForKeyPath:"@count") as integer

–出力画像作成
set tSize to current application’s NSMakeSize((totalWidth + (xGap * totalCount)), maxHeight)
set newImage to NSImage’s alloc()’s initWithSize:tSize

–順次画像を新規画像に上書き
set xOrig to 0
repeat with i in (imgList as list)
　　set j to contents of i
　　set curSize to j’s |size|()
　　set aRect to {xOrig, (maxHeight – (curSize’s height())), (curSize’s width()), (curSize’s height())}
　　set newImage to composeImage(newImage, j, aRect) of me
　　set xOrig to xOrig + (curSize’s width()) + xGap
end repeat

–デスクトップにPNG形式でNSImageをファイル保存
set aDesktopPath to current application’s NSHomeDirectory()’s stringByAppendingString:"/Desktop/"
set savePath to aDesktopPath’s stringByAppendingString:((NSUUID’s UUID()’s UUIDString())’s stringByAppendingString:".png")
set fRes to saveNSImageAtPathAsPNG(newImage, savePath) of me

–2つのNSImageを重ね合わせ合成してNSImageで返す
on composeImage(backImage, composeImage, aTargerRect)
　　set newImage to NSImage’s alloc()’s initWithSize:(backImage’s |size|())
　　
　　copy aTargerRect to {x1, y1, x2, y2}
　　set bRect to current application’s NSMakeRect(x1, y1, x2, y2)
　　
　　newImage’s lockFocus()
　　
　　set newImageRect to current application’s CGRectZero
　　set newImageRect’s |size| to (newImage’s |size|)
　　
　　backImage’s drawInRect:newImageRect
　　composeImage’s drawInRect:bRect
　　
　　newImage’s unlockFocus()
　　return newImage
end composeImage

–NSImageを指定パスにPNG形式で保存
on saveNSImageAtPathAsPNG(anImage, outPath)
　　set imageRep to anImage’s TIFFRepresentation()
　　set aRawimg to NSBitmapImageRep’s imageRepWithData:imageRep
　　set pathString to NSString’s stringWithString:outPath
　　set newPath to pathString’s stringByExpandingTildeInPath()
　　set myNewImageData to (aRawimg’s representationUsingType:(NSPNGFileType) |properties|:(missing value))
　　set aRes to (myNewImageData’s writeToFile:newPath atomically:true) as boolean
　　return aRes –成功ならtrue、失敗ならfalseが返る
end saveNSImageAtPathAsPNG

–指定のパスのファイルが画像かどうかをチェック
on isImageAtPath:aPath
　　set aURL to |NSURL|’s fileURLWithPath:aPath
　　set {theResult, theValue} to aURL’s getResourceValue:(reference) forKey:NSURLTypeIdentifierKey |error|:(missing value)
　　return (NSImage’s imageTypes()’s containsObject:theValue) as boolean
end isImageAtPath: