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Problem with xcode app and image files

Posted on 2004-09-29
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Last Modified: 2013-12-26
I have a fairly simple xcode project in c++ that opens up an image (raw file) and prints it to a window. this runs fine through xcode build and run, but the app will not execute on its own. the image is in the build folder and i draged it into the Resources group in my project. when an image is not loaded the app runs fine. any suggestions on how to solve this so the app will run using a local raw image file?
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Question by:csugrue
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Expert Comment

by:brettmjohnson
ID: 12186876
How are you locating the image within the app object?

Make sure the image is part of your Xcode project under Resources->Images,
so it gets included in the app bundle.

You should be using the CFBundle APIs to locate your resources:
http://developer.apple.com/documentation/CoreFoundation/Reference/CFBundleRef

Then use the NSImage initWithContentsOfFile: or initWithContentsOfURL method
to load the image.
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Author Comment

by:csugrue
ID: 12245363
hmmm. well, that sounds reasonable, but I am not sure how or where to use initWithContentsOfFile

Right now, I have a basic loadImage class that just uses fopen to load the data from local raw image file into memory. in the xcode project i have it placed in the Resources Group as mentioned. The actual file is in the build folder with the app.
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Accepted Solution

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brettmjohnson earned 125 total points
ID: 12245396
initWithContentsOfFile:  is one of the methods of the build-int NSImage class.  If you are
not using the cocoa classes (and why not?),  then use the Core Foundation CFBundle APIs
to locate your image file and use your own loadImage class to read the file as you wish.

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