Categories

Graphics

  • Jun 19, 2011

    Objective-C era

    An RSS-feed and location-based iOS application

    The purpose of this post is so that I will have a link to give people when they ask: how do I write an iOS application that pulls data from an RSS feed, displays it pretty and can put things on a map. I'll show you all of that and more as I rewrite my oldest iOS application from scratch: FuelView.

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  • May 5, 2011

    Objective-C era

    Presenting a Mac dialog sheet with visual cue effects

    In this post, I'll show you how to use visual effects over a window to make a dialog sheet stand out when it is presented over the top. It's a pretty simple use of Core Image but is a useful technique to capture attention when needed.

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  • Jan 31, 2011

    Objective-C era

    Advanced drawing using AppKit

    In this post, I'll look at drawing a detailed image in code by combining multiple visual elements. Unlike previous posts I've done on drawing in Cocoa, this will focus on the AppKit classes. The code will use NSGraphicsContext, NSBezierPath, NSAffineTransform, NSGradient, NSGlyph and show you some simple ways to export the contents of an NSView to a file.

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  • Nov 20, 2010

    Objective-C era

    Back to the Mac? 12 features from iOS I'd like to see in Lion

    A few user-features of Mac OS X Lion have been announced but no Cocoa API changes have been publicly announced. However, I think there are dozens of non-user areas where the Cocoa Mac APIs could be improved by integrating approaches from Cocoa Touch APIs. What follows are a dozen areas where I'd like to see a more iOS approach in Mac OS X Lion.

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  • Nov 3, 2009

    Objective-C era

    Creating iPhone and Mac icons using Inkscape (Part 1 of 2)

    In this two part series, I'll give a beginner's guide to creating iPhone and Mac application icons using Inkscape — a free, vector illustration program. In this first part, I'll talk about the common styles and traits of icons on the Mac and iPhone and give a step-by-step guide to creating the first iPhone icon in Inkscape.

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