on Mac OS X, an NSImage object is a high-level class for manipulating image data
Questions tagged [nsimage]
681 questions
15
votes
4 answers
NSImage to NSData, then to UIImage
I am creating a plist from my OSX app that contains some images. I am writing the image by :
[NSKeyedArchiver archivedDataWithRootObject:self.someImage]
Then I am using this plist file as a template for iOS app, but here I can't convert the file to…

Anoop Vaidya
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14
votes
3 answers
how to code NSButton to look just like image
Using code (not the Interface builder) I need to create an NSButton that looks like an image. Specifically I want to use NSImageNameStopProgressFreestandingTemplate and I need it not to look like button but to look like the image. This means:
1. No…

OZG
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14
votes
3 answers
How can I load an NSImage representation of the icon for my application?
I have a custom icon file (MyApp.icns) set up for my Cocoa App. How can I access an NSImage representation of the icon from within my application?
Something like the following would be perfect:
NSImage * iconImage = [MyApplication…

e.James
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13
votes
1 answer
NSTextView insert image in between text
Is it possible to insert an image (not a background image) into an NSTextView?
Something like:
Hi :) How are you?
and it should display a "smiley" image. I have an NSTextView and an NSImage.

Amitg2k12
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- 97
13
votes
1 answer
How to get NSImage of generic folder icon on OS X 10.5 and 10.6
I'm writing a Cocoa application that displays the contents of an archive file in an NSOutlineView. I provide a custom icon for an NSBrowserCell in the outline column, and it works great, but I ran into a little snag — using [NSImage…

Quinn Taylor
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12
votes
3 answers
UIImage vs NSImage: Drawing to an off screen image in iOS
In mac osx (cocoa), It is very easy to make a blank image of a specific size and draw to it off screen:
NSImage* image = [[NSImage alloc] initWithSize:NSMakeSize(64,64)];
[image lockFocus];
/* drawing code here */
[image unlockFocus];
However, in…

mtmurdock
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12
votes
3 answers
Loading image from Assets to NSImage keep getting error, expecting NSImage.Name
I am trying to load a file from xcassets to an NSImage, where the asset name is logo.
I tried this:
let logoIcon = NSImage(named: "logo")
But I keep getting this error:
Cannot convert value of type 'String' to expected argument type…

Lars Nielsen
- 2,005
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12
votes
3 answers
How do I get the icon of the user's Mac?
Using Objective-C and Cocoa, does anyone know how to get the icon for a user's computer (the one that shows under "Devices" and "Network" in Finder)? Not the harddisk icon, the actual one for a user's device. It ranges from a MacBook icon to the Mac…

Alex B
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10
votes
2 answers
NSImage to cv::Mat and vice versa
while working with OpenCV I need to convert a NSImage to an OpenCV multi-channel 2D matrix (cvMat) and vice versa.
What's the best way to do it?
Greets,
Dom

dom
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10
votes
1 answer
What's the best way to load an image from a framework in OS X Yosemite (10.10)?
I'm working on a Yosemite app that includes a Notification Center widget (or Today extension). I have a framework where I'm storing all of my shared code and resources, which includes some images. Whether I just use PNGs or an asset catalog, they…

robotspacer
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10
votes
6 answers
Get pixels and colours from NSImage
I have created an NSImage object, and ideally would like to determine how many of each pixels colour it contains. Is this possible?

Nippysaurus
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10
votes
3 answers
How to create 8-, 4-, and 1-bit representations of NSImage
I had created 32 bit NSImage with following code.
NSBitmapImageRep *sourceRep = [[NSBitmapImageRep alloc] initWithData: imageData];
// create a new bitmap representation scaled down
NSBitmapImageRep *newRep =
…

NewStack
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9
votes
1 answer
Loading NSImage with imageNamed from xcassets crash in older osx versions
So, I have an xcassets that is shared amongst quite a few apps. I'm developing with Xcode8 in a Mac Mini with MacOs Sierra installed in it. If I compile and run in the development machine, there's no issue at all. However, when I try to run it in a…

leandrodemarco
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9
votes
2 answers
Rendering the same image with different sizes
I have bunch of images in my assets. What I am trying to do is render the image in status bar of OSX as following:
let icon = NSImage(named: "statusIcon")
icon?.size = NSSize.init(width: 18, height: 18)
icon?.template = true
statusItem.image =…

Madhur Ahuja
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9
votes
4 answers
How to make a perfect crop (without changing the quality) in Objective-c/Cocoa (OSX)
Is there any way in Objective-c/cocoa (OSX) to crop an image without changing the quality of the image?
I am very near to a solution, but there are still some differences that I can detect in the color. I can notice it when zooming into the text.…

lindon fox
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