nsimage

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IKImageView choppy?

I have an IKImageView, and I\'m putting CGImages (That I make out of NSImages) onto it. However, a normal 200DPI 8.5/11 page takes like 3 seconds to come up, appearing in rectangles about 2inches (scr[详细]

2023-01-09 08:40 分类：问答
Clipping NSImage around certain NSRect

I have an NSImage with different images inside it. The positions of the images inside 开发者_开发百科of it will stay the same all the time, so I need to specify a rectangle to get a subimage at the po[详细]

2023-01-08 21:32 分类：问答
Getting into pixel data of NSImage

I\'m writing application that operates on black&white images. I\'m doing it by passing a NSImage object into my method and then making NSBitmapImageRep from NSImage. All works but quite slow. Here[详细]

2023-01-08 05:44 分类：问答
Changing the Color Space of NSImage

Is there a way I can change the color space of an NSimage or NSBitmapImageRep/CGimage 开发者_运维技巧or the like. I am open to any way. Preferably the way photoshop does it.The problem with the code y[详细]

2023-01-07 22:40 分类：问答
How do I take a "screenshot" of an NSView?

I need to take the 开发者_高级运维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\'[详细]

2023-01-07 00:28 分类：问答
Export/Import NSImage as ICO

I would like to save and read an ICO file. It doesnt matter if its NSImage or NSBitmapImageRep or anything. It just needs开发者_如何学编程 to be done. How could this be accomplished?I found it out for[详细]

2023-01-06 12:49 分类：问答
Zooming in on CIImage or NSImage?

I am taking photos from a webcam in my Cocoa application and I would like to zoom in on the centre of the image I receive. I start by receiving a CIImage and even开发者_如何学Ctually save an NSImage.[详细]

2023-01-05 15:48 分类：问答
NSImage different size in code different shown by Finder/Preview

I have a couple of images that i use in my application(one of them is attached). The strange thing is that the real image size(shown by finder and preview) is 1200x701 px.[详细]

2023-01-02 08:57 分类：问答
NSImage transparency

I\'m trying to set a custom drag icon for use in an NSTableView. Everything seems to work but I\'ve run into a problem due to my inexperience with Quartz.[详细]

2022-12-31 13:10 分类：问答
How to use NSImage hitTestRect:withImageDestinationRect:context:hints:flipped: METHOD

I want to use NSImage ins开发者_开发技巧tance method hitTestRect:withImageDestinationRect:context:hints:flipped: in iPhone .[详细]

2022-12-29 17:20 分类：问答