Accurately Calculating Text Height In Cocoa For Mac

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Accurately Calculating Text Height In Cocoa For Mac 8,3/10 3196 reviews

This is a console application in Cocoa to show the various ways to measure the width of text and its performance. There are 3 ways(that I figured out) to do this: Chocolatier 3 crack download.

Accurately Calculating Text Height In Cocoa (for Mac Not Ios 8 Accurately Calculating Text Height In Cocoa (for Mac Not Ios 11 Accurately Calculating Text. 19.Accurately. calculating text height in Cocoa (for Mac, not iOS) 17 Getting user's default email address in Cocoa View more network posts →.

  • [[NSString sizeWithAttributes:]](https://developer.apple.com/library/mac/documentation/Cocoa/Reference/ApplicationKit/Classes/NSString_AppKitAdditions/index.html#//apple_ref/occ/instm/NSString/sizeWithAttributes:)
  • [[NSAttributedString size]](https://developer.apple.com/library/prerelease/ios/documentation/UIKit/Reference/NSAttributedString_UIKit_Additions/index.html#//apple_ref/occ/instm/NSAttributedString/size)
  • [NSLayoutManager](https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/TextLayout/Tasks/StringHeight.html#//apple_ref/doc/uid/20001809-CJBGBIBB) (get text width instead of height)

    To play with the project, download the file, open up main.m.

    1. Change ITEMS_COUNT to the number of strings you want measured.
    2. Change ITEMS_ARRAY_CHUNK_THRESHOLD to chunk up a big array into small arrays.

      Here are some performance metrics on my Macbook Pro running Yosemite 2.3GHz Intel i7 and 8GB memory.

      NOTE: The NSLayoutManager mechanism creates an NSTextStorage object for every string. These objects are very heavyweight and memory intensive. By just creating 1 and re-using them however causes layout to happen for every string and the measurement time goes up to 40 seconds for a million strings.

      Using CoreText is the way to go. For the above table here is the performance metric with and without multithreading.

    Consider giving your app icon a realistic, unique shape. In macOS, app icons can have the shape of the objects they depict. A unique outline focuses attention on the object and makes it easy to recognize the icon at a glance.

    If necessary, you can use a circular shape to encapsulate a set of images. Avoid using the rounded rectangle shape that people associate with iOS app icons.Design a recognizable icon.

    People shouldn’t have to analyze the icon to figure out what it represents. For example, the Mail app icon uses a stamp, which is universally associated with mail. Take time to design an engaging abstract icon that artistically represents your app’s purpose.Embrace simplicity. Find a single element that captures the essence of your app and express that element in a simple, unique shape. Add details cautiously. If an icon’s content or shape is overly complex, the details can be hard to discern, especially at smaller sizes.Provide a single focus point.

    Design an icon with a single, centered point that immediately captures attention and clearly identifies your app.iOS iconsmacOS iconsIf you’re creating a macOS version of an iOS app, design a new version of your app icon. Your macOS app icon should be recognizable, but not an exact copy of your iOS app icon.

    In particular, the macOS icon shouldn’t use the same rounded rectangle shape that the iOS icon uses. App Store, Maps, Notes, and Reminders provide icons for macOS and iOS that are recognizable, yet distinct from one another. Reexamine the way you use images and metaphors in your iOS app icon.

    For example, if the iOS app icon shows a tree inside the rectangle, consider using the tree itself for your macOS app icon.Use color judiciously. Don’t add color just to make the icon brighter. Also, smooth gradients typically work better than sharp delineations of color.Avoid mixing actual text, fake text, and wavy lines that suggest text. If you want text in your icon but you don’t want to draw attention to the words, start with actual text and make it hard to read by shrinking it. This technique also results in sharper details on high-resolution displays. If your app is localized, prefer fake text or wavy lines over actual text in a specific language.Avoid including photos, screenshots, or interface elements.

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    If you want to base your icon on photos, screenshots, or interface elements, design idealized versions that emphasize specific details you want people to notice.Don’t use replicas of Apple hardware products. Apple products are copyrighted and can’t be reproduced in your icons or images. In general, avoid displaying replicas of devices, because hardware designs tend to change frequently and can make your icon look dated. Perspective and TexturesDesign an icon with appropriate perspective and a realistic drop shadow. In general, an app icon should depict an object as if viewed through an imaginary camera that’s facing the object, positioned just below center, and tilted slightly upward. This camera should be positioned far enough away that the icon is nearly isometric, without appearing distorted. To achieve a realistic drop shadow, imagine a light source that’s also facing the object, but is positioned just above center and tilted slightly downward.

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    Cocoa

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