nsimage Questions
13
Solved
I have an NSBitmapImageRep which is WxH size.
I create NSImage and call addRepresentation:. Then I need to resize the NSImage.
I tried setSize method but it doesn't work. What should I do?
Hayleyhayloft asked 14/8, 2012 at 9:15
5
Solved
I have an NSView that contains an NSScrollView containing a CALayer-backed NSView. I've tried all the usual methods of capturing an NSView into an NSImage (using -dataWithPDFInsideRect, NSBitmapIma...
Numeration asked 23/12, 2010 at 5:45
2
Solved
I have the following code working:
let myImage = NSImage(named: "my-image.png")
filter.setValue(myImage, forKey: kCIInputImageKey)
filter.setValue(0.5, forKey: kCIInputIntensityKey)
le...
4
Solved
I need to take the contents of an NSView and put them in an NSImage, for an experimental project. Is this possible? I did some Googling, tried two methods that I found - but they didn't really work...
Invaginate asked 14/7, 2010 at 23:11
5
Solved
I see that sometimes NSImage size is not real size (with some pictures) and CIImage size is always real. I was testing with this image.
This is source code which I wrote for testing:
NSImage *_im...
Fluency asked 13/2, 2012 at 16:24
6
Solved
I use the code below to get the width and height of a NSImage:
NSImage *image = [[[NSImage alloc] initWithContentsOfFile:[NSString stringWithFormat:s]] autorelease];
imageWidth=[image size].width;...
Shult asked 9/8, 2012 at 4:46
6
Solved
Is there an easy way to do this that works in 10.5?
In 10.6 I can use nsImage CGImageForProposedRect: NULL context: NULL hints: NULL
If I'm not using 1b black and white images (Like Group 4 TIFF...
Nessa asked 30/3, 2010 at 19:27
3
Solved
I'm playing with the Core Image framework. As I understand, if I have an image (NSImage), it needs to be converted into CIImage, first. I can do that.
NSImage *im1 = [[NSImage alloc] initWithConte...
Taxable asked 30/6, 2013 at 2:46
4
Solved
1
Solved
You can set a system image(SF Symbol) in UIKit with UIImage(systemName: "pencil"). For macOS apps you can set a system image in storyboard. However, I couldn't find a way to set a system ...
Luiseluiza asked 19/2, 2021 at 16:41
3
Solved
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 val...
3
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 b...
Duplicate asked 26/12, 2010 at 12:8
5
How can I convert a NSImage to CGImage in Swift? In Objective-C I did it like this:
- (CGImageRef)CGImage {
NSData *imageData = self.TIFFRepresentation;
CGImageSourceRef source = CGImageSourceCr...
2
Solved
If I'm not really fussy about the exact tone etc of the dimmed image, is there a quick and dirty way to draw an NSImage slightly dimmed, like this? I've searched online and can't really find what I...
Raybin asked 25/11, 2010 at 11:31
4
I've got an NSImageView that takes up the full extent of a window. There's no border to the image view, and its set to display in the lower left. So this means that the origin of the view matches t...
Oneupmanship asked 29/7, 2012 at 18:41
9
Solved
1
Solved
My unit tests target needs to load an image resource for use in some of the tests, but I am having trouble loading it.
I have created an asset catalog within the test target.
I have added a new i...
Supplicant asked 22/3, 2018 at 5:50
6
Solved
I'm doing some operations on images, and after I'm done, I want to save the image as PNG on the disk. I'm doing the following:
+ (void)saveImage:(NSImage *)image atPath:(NSString *)path {
[image...
Coburn asked 6/7, 2013 at 21:8
4
Solved
I'm trying to flip an NSImage created with a NSImageBitmapRep representation. After some digging (Flipping Quicktime preview & capture and Mirroring CIImage/NSImage) I tried two ways via a CIIm...
Dogmatize asked 7/6, 2012 at 17:12
3
I have a menu with an NSImage showing some information, and when it gets updated I would like the new (updated) image to fade in. I know it is easy on the iPhone, but is this possible in OS X ?
Reasoning asked 28/2, 2011 at 12:37
6
Solved
I have created an NSImage object, and ideally would like to determine how many of each pixels colour it contains. Is this possible?
2
Solved
I have an NSImage. I would like to read the NSColor for a pixel at some x and y. Xcode seems to thing that there is a colorAtX:y: method on NSImage, but this causes a crash saying that there is no ...
Mungovan asked 15/3, 2012 at 18:36
1
How can I convert a CVPixelBufferRef to an NSImage or CGImageRef? I need to be able to display the contents of the pixel buffer in a Core Animation Layer.
4
Solved
I did some research but all the answers I got were for iOS, how can I draw a colored border around NSImage in OSX app? I tried using imageView property of NSImage to set it's border width and color...
2
Solved
I have subclasses NSImageView and i want to draw a border around with rounded corners. It works but i need to clip off the image corners as well.
Please see my screenshot:
I have created this c...
Sainthood asked 4/3, 2012 at 10:54
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