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Questions tagged [nsimage]

on Mac OS X, an NSImage object is a high-level class for manipulating image data

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Sending an image to a web service using their API URL

I'm trying to use the Bufferapp API to automatically create some buffers for social networks and have them posted at automated times. I need to use their API, specifically this method, to send in my posts over with an image and text. I have figured…
Andy Ibanez
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Saving an image in a NSView

I have problem with rotating and saving JPEG NSImage. I have NSView which is flipped - (BOOL)isFlipped { return YES; } Then I'm applying NSImage rotation with following function: - (NSImage*)imageRotatedByDegrees:(CGFloat)degrees { // calculate…
Jodynek
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Saving NSImage as PNG with no alpha and 5 bit colour

I have an NSImage that I would like to save as a PNG, but remove the alpha channel and use 5 bit colour. I am currently doing this to create my PNG: NSData *imageData = [image TIFFRepresentation]; NSBitmapImageRep *imageRep = [NSBitmapImageRep…
Magic Bullet Dave
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How do I add a static NSFolder image to a cocoa bindings table

I have a table that gets it's values from core data and is added via cocoa bindings. The values that are printing out in the table are folder names.I would like to have a NSFolder printed out to the left of each folder name. I started off with a…
Scott
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Core Animation Layer Degrading NSImage Quality

So I have a view in which I need to use Core Animation Layer, but I have an NSImage inside an image well in the view, and when I add the Core Animation Layer through the interface builder, the image quality is degraded. Here's an example: View…
Matt Cooper
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OS X - How to save NSImage or NSBitmapImageRep to PNG file without alpha channel?

I'm building an OS X app that needs to save the file to disk. I'm currently using NSBitmapImageRep to represent the image in my code, and while saving the image to disk with representationUsingType:properties: method, I want to set the hasAlpha…
Void Main
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How can I get the actual image of an image file in OS X?

When I use iconForFile: in NSWorkSpace class, I get the default Mac image file icon. However, I would like to get the actual image that are previewed on the desktop. How can I go about this?
wayfare
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drawInRect retains NSImage until some point in the future?

So I have some code running in an NSThread that creates, in a loop, a whole bunch of NSImages. A small section of each of the images is drawn into another NSImage, and then the thread exits. So, something like NSImage *outputImage = [[NSImage alloc]…
Dave Branton
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Cannot Opening Image using NSOpenPanel

I need to open image using NSOpenPanel. I did it using the following code: NSOpenPanel *open = [NSOpenPanel openPanel]; NSArray *fileTypes = [[NSArray alloc] initWithObjects:@"jpg", @"gif", @"png", nil]; NSURL *filePath = [[NSURL alloc]…
Nikita Zernov
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Fastest way to apply a Gaussian Blur on a image without Core-Animation

I need to apply a Gaussian Blur to a NSImage. Since this image changes a lot over the lifetime of the application, the operation should be quick so that the UI stays somewhat responsive. Unfortunately, I have not found a satisfying solution for this…
IluTov
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Simple NSImage drawing not working as expected

This doesn't do anything: NSImage* testImage = [[NSImage alloc] initWithSize:NSMakeSize(2.0,2.0)]; [testImage lockFocus]; [[NSImage imageNamed:@"testImage"] drawAtPoint:NSMakePoint(1.0,1.0) fromRect:NSZeroRect operation:NSCompositeCopy…
andyvn22
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NSColor colorWithPatternImage: Vs. NSImage drawInRect:fromRect:operation:fraction:

So I'm trying to set the background of a view as an image, and I read in another thread that to avoid repeating the image, one should use NSImage drawInRect:fromRect:operation:fraction: rather than NSColor colorWithPatternImage: However, when I use…
Matt Cooper
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Add a white background to an NSImage that is larger than the original image

I am currently adding a solid white background to an NSImage so that in the case that the image has a transparent background it becomes opaque. What I would like to be able to do is increase the size of the white background so that it extends out…
dmid
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Saving an NSImage object to file via NSData - losing information

Hello and thanks for reading! I'm trying to write an NSImage object to a file on the disk but am having trouble as some of the 'image properties' are lost when i extract an NSData object from the original NSImage. To illustrate the problem I have…
Monty
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In Cocoa: How to open image, resize it and save it with a new name

I am trying to open an image with open dialog, resize it and save it with a new name, I found some code in other posts and putting 2 or 3 things togheter I finished having this code, but it doesn't work... here is my code: …
Blue
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