![]() If you don’t provide a legacy icon, macOS 10.15 and earlier will create one for you by compositing your app’s icon inside the old style document sheet. icns file or a Generic Icon in your Asset Catalog which will be used if you deploy your application to macOS 10.15 and below or in macOS 11 if Icon Image, Icon Fill and Icon Text are left blank. Legacy Icon (optional): This is either an.For example, the scn extension can use scene as its text. This can be the same as the extension or something more descriptive. Icon Text (optional): Input the text you want displayed on the bottom of the document icon.Icon Fill (optional): Select a Background Fill Image from your app’s Asset Catalog.Icon Image (optional): Select a Center Image from your app’s Asset Catalog.or icon_32x32.png), they can all be dragged at once and will automatically be assigned to their appropriate size slots. If your assets are named using the format (e.g. Drag your assets into their respective size slots.In Xcode, click the + button within your Asset Catalog.To create your document icon types, you’ll need to integrate these elements into your Xcode project.įirst, add your background fill image and/or center image into the Asset Catalog as Generic Icons. The text will also automatically change its color to remain legible against flat colored backgrounds. The system will capitalize and scale the text to fit inside the icon, so it’s important to keep the length of your string as short of possible to prevent it from getting too small. The Swift and Metal document icons both use text strings to clearly identify their document types. For example, "SCENE" is more descriptive - and easier for someone to understand - than "scn." The icon’s text string will often be your document’s extension, but can also be something more descriptive. The center image can be specified in the following sizes: The rendering, however, can be as simple or as rich as you’d like. The shape of the artwork should be simple to make it easily identifiable in smaller sizes. Curves and points can extend into the margin to adjust for optical alignment. For example, on the 256x256 version, the drawing should be inside a 205x205 area, as shown in the image below. The bulk of the artwork for the center image should be drawn at ~80% of the canvas size. For example, the center image displays at 16pt on a 32pt icon size. The center image is always half the size of the document canvas. The Xcode Project icon and the Rich Text Format icons use nothing but the background fill element to create a custom look and feel. If you plan to create multiple custom icons for different file types, it’s important to make each design distinct and understandable to help people know what to expect when they open them.īeginning with macOS Big Sur, you can generate a new custom document icon with a set of images and a text string. Additionally, think of other document types that your document may commonly be next to, and use distinct shapes and colors that are identifiable even at smaller sizes. Try to depict what your icon represents as closely as possible and with as few details as possible. When creating a custom icon, we recommend keeping its design simple. For example, a drawing application may open a jpg file, a project file, a library of drawing components, a plugin or a color swatch. You can additionally create a custom document icon if your app supports multiple file types and you’d like to visually distinguish between them. ![]() This is a common pattern for imported document types or non-proprietary file formats that your application can open such as MP3, JPG or PNG.īoth the Music and Preview apps use system-generated document icons for document types like JPG and MP3. Design a document icon for your appīy default, if you don’t specify a document icon for a file type in your app, macOS will automatically create one for you by compositing your app’s icon together with the correct extension name. We’ll show you how to design a great icon, integrate it into your Xcode project, and assign document types and type identifiers. With macOS Big Sur, you can customize and control how your app’s document icons display across the system. If someone has chosen not to show document extensions in System Preferences, these icons can additionally provide additional context in deciphering their file type and native program. These icons may be displayed on screen as small as 16pt or large enough to showcase every glorious design detail.ĭepending on the file type and personal preference, document icons can also display document previews. A good document icon aids in the identification of your file on the Desktop, in a Finder window, or in an open dialog, especially when previews aren’t available.
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