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Re: Convert Image in NSImage to TIFF/PICT Format
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Re: Convert Image in NSImage to TIFF/PICT Format


  • Subject: Re: Convert Image in NSImage to TIFF/PICT Format
  • From: Marco Binder <email@hidden>
  • Date: Tue, 18 Mar 2003 10:44:07 +0100

This does not seem to be true, as I have already pointed out to Sindhu last week. To initialize an NSPICTImageRep, you NEED to have data in the PICT format already, according to the documentation. There is no easy way to convert INTO the PICT data format.

As for any other bitmap file type, again, as pointed out before, NSBitmapImageRep has the convenient method [bitmapimagerep imageRepUsingType: NSSomeType properties: NSDictionary]. The method is documented in the NSBitmapImageRep documentation, including the possible values for the properties dictionary.

Sindhu, if you cant figure it out from the docs, get back to me off-list and I can provide some sample code.

Marco



Well, you can always send a NSImage instance a "TIFFRepresentation" message and it will give you an NSData object holding the TIFF data. PICT and other formats are a little more difficult since you have to get this TIFF data, then use that to create the correct type of Image Rep (one of the NSImageRep subclasses) and then get its data in whatever format you wanted.

If you need pointers on that, post back and I can post some code to show you what I mean (but there might be some in the archives at cocoa.mamasam.com).

Hope that helps,
Jeff.


On Tuesday, March 18, 2003, at 12:56 AM, Sindhu Gururaj wrote:

Hi All:

How do i convert a image in NSImage( say a BITMAP) into TIFF or PICT file Format?

Any kind of help in the form of Code, Documentation and Links are welcome.

I am newbie, kindly provide elaborate answers , if any.

Rgds,

Sindhu Gururaj.
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Jeff Disher
President and Lead Developer of Spectral Class
Spectral Class: Shedding Light on Innovation
http://www.spectralclass.com/
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 >Re: Convert Image in NSImage to TIFF/PICT Format (From: Jeff Disher <email@hidden>)

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