There are a lot of things apps can do to optimize the user experience for DPI scaling.
JAVA CONTROL PANEL SHOWS SKYPE LOGO WINDOWS 8.1
Windows 8.1 has an answer for that too! Enabling Custom DPI-Scaling for Apps in Windows 8.1 This behavior is automatic for desktop apps on Windows 8.1, but there are some cases where an app will require knowledge of DPI scaling so that app-specific scaling optimizations can be implemented. This translates to a much better user experience when you are running multiple displays with non-uniform physical DPI values. Here’s what I came up with when I calculated a “normalized 1-foot DPI value”:
As a quick exercise I calculated the “effective display DPI” values for my Nokia 920 phone and each of the displays in the tri-mon setup shown above. If you’re comparing display DPI values between a phone, a tablet, and a desktop display you need to factor in viewing distance. Sometimes facts and figures need some interpretation before they can be understood. Empowering developers to optimize app-specific scaling based on display DPI.Providing a uniform experience multi-display systems.Optimizing the usability and readability of high-DPI displays.Windows 8.1 DPI scaling improvements are primarily focused on: With the recent proliferation of high-DPI tablets, notebooks, and external displays these high-DPI and DPI scaling issues became an important consideration for Windows 8.1. For example if you are running two 27” displays with one at full-HD and one at WQHD the content will not appear at the same scale when an app is moved from one display to the other. When display Dots-Per-Inch (DPI) gets sufficiently dense this “shrinking effect” can make content hard to see and UI targets difficult to click/tap.Īnother challenge that is presented with the introduction of ultra-high resolution displays is dealing with multi-mon configurations with non-uniform DPI values. By decreasing the size of each pixel the content shown on the display appears smaller. When you increase resolution you inherently decrease the size of each pixel (assuming same display size). While high-resolution displays are amazing they also present some practical challenges.
Windows 8.1 tri-mon setup from left: Samsung 23” full-HD, Samsung 27” WQHD, Sharp PN-K321 32” Ultra-HD
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