dataWithPDFInsideRect doesn't clip images within NSView
dataWithPDFInsideRect doesn't clip images within NSView
- Subject: dataWithPDFInsideRect doesn't clip images within NSView
- From: Leonardo <email@hidden>
- Date: Thu, 27 Feb 2014 11:31:19 +0100
- Thread-topic: dataWithPDFInsideRect doesn't clip images within NSView
I draw an NSImage within an NSView scaling its size in order to fill the
image within the view bounds. The image is larger than the NSView's bounds,
but on the display it looks well clipped to those bounds.
Since the image's NSView is a subView of the page's NSView, I create a PDF
saving that page's NSView
[pageView dataWithPDFInsideRect:pageRect];
and I get a pdf file. Anyway, when I inspect the pdf file with Acrobat, I
clearly see that the image hasn't been cropped. As I see from the blue
rectangle around the visible small image, the whole original and larger
image has been embedded within the pdf document.
In facts if I Control-Click-Edit the image on the pdf, I get the original
whole image. So the pdf file size results bigger than what it would really
be. I don't get this trouble when saving the page to a TIFF or any other
raster image file (with NSBitmapImageRep -> CGImage ->
displayRectIgnoringOpacity -> CGImageDestinationFinalize).
My question:
Do you know an option, any API, to clip the image to its NSView's frame on
the pdf, as it properly looks on the display? Or should I clip the image by
my own code?
Regards
-- Leonardo
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