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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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Is this an appropriate way of implementing an array of NSImages?

I have a series of images that I want to make use of in an app. What I wanted to do is store them in an NSArray for easy identification within the drawRect: function. I have created a .plist file, which details an NSDictionary with the keys simply…
tom1990
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How do I get the desktop icon used in Finder?

In Objective-c/Cocoa, how do I get the icon that Finder uses for the desktop (it looks like the black/pink nebula desktop image with a menu bar and dock). I tried this: NSImage *icon = [[NSWorkspace sharedWorkspace] …
Alex B
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Advice for image overlay

I'm looking for some advice on how to proceed. I'm working on a cocoa program (Objective-C) where I want to be able to draw over top of a bitmap image, defining areas that I can use to get information from the underlying image. As an example, I'd…
P-Rod
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NSBitmapImageRep and multi-page TIFFs

I've got a program that can open TIFF documents and display them. I'm using setFlipped:YES. If I'm just dealing with single page image files, I can do [image setFlipped: YES]; and that, in addition to the view being flipped, seems to draw the…
Brian Postow
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cocoa - draw image in NSView

I'm having difficulties understanding why the below code doesn't work, what I want to achieve is an image being displayed in the top left corner of a NSView, but nothing is showing... NSImage *map0 = [NSImage imageNamed:@"map0.png"]; NSRect rect =…
Lennart
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NSImage and NSBitmapImageRep Memory Leak

I am using objective C in a c++ application to load images on OSX. It is an OpenGL application. This is the code I use to load an image into opengl: bool OSXSpecifics::loadPNGOSX(const char *fileName, int &outWidth, int &outHeight, GLuint…
DavidColson
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NSImage at app start

I have an image view object. I can get it to load images when a buttun is pressed but I want to know if there is a way to get it to load at the start of the app. The code im using is NSURL *lURL = nil; NSData *lData = nil; NSImage *lImage =…
AlanF
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How to check whether an NSImage is GrayScale or RGB?

Is there any way to check an NSImage's color type in OBJC? I wanna know whether the image is GrayScale or RGB. Any suggestions would help, thanks~
LYTTE_LJ
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NSImage not centered in image well

I'm loading a NSImage into an image well from a url. Image load in but in the off center, in upper right corner of the image well. When I resize the window the image centers itself. Anyone familiar with why this happens?
Kyle Parisi
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Use Image from desktop as NSImage

How can I set a NSImageView's Image to a file from the desktop, not from inside my app. this is the code i've tried: [applicationIcon setImage:myImage];
atomikpanda
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NSImage initWithData not found?

In NSImage class reference it is said that there exist method initWithData, but why xCode says it doesn't exist? I use it like this: NSData *imgData = [[imageView image] TIFFRepresentation]; fotoImg = [NSImage initWithData:imgData]; And i get…
hockeyman
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NSImage (from icns) slow painting

When building a NSImage from a icns file and then painting it on a ImageAndTextCell, it goes very slow. But if I create the NSImage from a png, jpg, etc. it paints very fast. How to speed it up ? Creating a jpg (etc) from the icns ? Keeping a cache…
Antonio Linares Cañas
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drag and drop: NSView thinks source is an image that it isn't

I have two views. 1. One view has a grid of NSImageViews with images. 2. The other view has a grid of potential places to place the dragged image. I think I have dragging working. If I click and drag an image from view 1, it works fine, but when I…
Jomnipotent17
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How to transform this NSImage code for use on iOS

I am attempting at turning some code written for Mac OS X into an iOS application. This is the working code for OS X: // To create the images on the view: NSRect imageRect = NSMakeRect(24+(i*80), ypos, 72, 96); NSImageView…
Ben T
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how to translate and scale a NSImage?

I have built so far an application that allows the user to drag and drop images onto a NSImageView. However, I want to be able to move these images by simply clicking on any image and hold down the mouse button to move it's location. How can I…
ObjectiveC-InLearning
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