Xcode is the IDE. Interface Builder is the tool for creating nib files, which are basically serialized Cocoa objects that the OS loads for your program. Unlike many other GUI tools, Interface Builder does not output code that creates the objects you want.

• Screen Capture Using Objective C For Mac Os
• Screen Capture For Mac Free
• Video Screen Capture For Mac

Xcode is very useful even if you are not making GUI apps. Only a complete masochist would prefer to use a text editor and manual invocation of the command-line compiling and linking tools. Developing Cocoa apps without using Interface Builder is a really bad idea. It's kind of like learning to drive without turning on the motor, but getting out and pushing the car a few feet, then getting back in to turn the wheel a bit, getting back out and pushing some more, and so on. Click to expand.In Cocoa philosophy, user interface is not a programming task. It is a design task, and thus better carried out by a design tool. You don't generally make the images your application uses via code, but rather via an image-design tool, such as Photoshop.

Screen Capture Using Objective C For Mac Os

Likewise, the user interface is created via Interface Builder. The actual act of programming is then relegated to the core functionality of actually doing something interesting. With the new bindings mechanism, much of the trivial data manipulation that was formerly viewed as a programming task is now merely a matter of specifying how the data should flow in Interface Builder.

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It's all based upon a conceptual shift to using different tools for different purposes. Also take note of the fact that it's never really been different since the creation of NeXTStep in '88. XCode is based on Project Builder which was the IDE for NeXTStep.

It's been a complete package from the beginning - Objective-C and the API (which is now called cocoa) and the IDE, just like, for example, Borland Delphi. Coding in Objective-C without cocoa and Xcode is like programming Object Pascal without VCL and Delphi. If you're familiar with Delphi you can imagine why it isn't practically useful. If you're really such a masochist, you could even use a modern GCC on something like linux, because I believe that supports Obj-C too. No need for Mac OS X in that case. Anyway, have fun!

AFAIK, there's nothing magic about the.nib file, it's just a bunch of Objective C objects (specifically GUI controls) that get de-serialized at run time. So I don't see why one could not simply instatiate said objects in normal objective C code.

I haven't investigated this, but I would be very surprised if you can not simply use Cocoa objects like any other object. I don't see why one would need Interface Builder. Also I understand the desire to learn it manually first, that would be my approach. Whilst you all seem to have done a great job of talking up XCode/Interface Builder (which are great tool when XCode doesn't crash) it is possible to create a Mac OSX GUI app without using either.

Nib files are just a nice simple way of enabling the visual design of the GUI. There is nothing to stop you create an NSWindow object in your code populating it with NSViews and NSControls and then showing it on screen. So that gets rid of Interface Builder! You don't really need XCode either. Write your code in TextEdit and just run the command line compiler to compile to object code. Move the executable into a hand created.app wraper structure and run. It's much easier with XCode though.

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Note: this question is intentionally very general (e.g. Both Objective-C and Swift code examples are requested), as it is intended to document how to capture a window screenshot on macOS as accessibly as possible. I want to capture a screenshot of a macOS window in Objective-C/Swift code. I know this is possible because of the multitude of ways to take a screenshot on macOS (⇧⌘4, the Grab utility, screencapture on the command line, ), but I’m not sure how to do it in my own code.

Ideally, I’d be able to specify a window of a particular application, and then capture it in an NSImage or CGImage that I could then process and display to the user or store in a file.