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Re: Concurrent loading of images ?
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Re: Concurrent loading of images ?


  • Subject: Re: Concurrent loading of images ?
  • From: Gabriel Zachmann via Cocoa-dev <email@hidden>
  • Date: Sat, 9 May 2020 13:41:14 +0200

> Also, if you’re already getting a CGImageRef using
> CGImageSourceCreateImageAtIndex, why not just set imgLayer.contents to the
> CGImageRef?

sorry, my previous response regarding this was incomplete. What I am doing is
this, in order to get the EXIF orientation right:

    CIImage * image = [CIImage imageWithCGImage: imageRef];
    CIImage * orientedimage = [image imageByApplyingOrientation:
(CGImagePropertyOrientation) img_orientation];
    NSCIImageRep * nsimgrep = [NSCIImageRep imageRepWithCIImage: orientedimage];
    NSImage * nsImage = [[NSImage alloc] initWithSize: nsimgrep.size];
    [nsImage addRepresentation: nsimgrep];
    CALayer * imgLayer    = [CALayer layer];
    imgLayer.contents     = nsImage;

Still, is there a better way?

Best regards, Gabriel

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  • Follow-Ups:
    • Re: Concurrent loading of images ?
      • From: Jim Crate via Cocoa-dev <email@hidden>
References: 
 >Concurrent loading of images ? (From: Gabriel Zachmann via Cocoa-dev <email@hidden>)
 >Re: Concurrent loading of images ? (From: Jens Alfke via Cocoa-dev <email@hidden>)
 >Re: Concurrent loading of images ? (From: Gabriel Zachmann via Cocoa-dev <email@hidden>)
 >Re: Concurrent loading of images ? (From: James Crate via Cocoa-dev <email@hidden>)

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