Articles Written by Sjaak Priester

Delaunay Triangles

Learn about an algorithm to calculate this intriguing and important data structure in computer graphics.

Better GIFs with Octrees

Use adaptive color quantization to create better GIF files with GDI+.

A Sharp View with QGaussFilter

Despite its somewhat confusing name, Unsharp Mask is an important procedure to enhance the quality of bitmap pictures. The QGaussFilter class performs Unsharp Mask, and more. (The project code was updated.)

Image Properties Revealed

Learn everything you always wanted to know about your bitmap pictures, and more, with QImageProperties.

Look Closer with QZoomView

Build an extended CScrollView with added zooming capabilities. (The article and demo project/source code file were updated.)

"Rubber Sheeting" with QWarpTracker

Warping is the most drastic way to change the form of a GDI+ graphics object. The class QWarpTracker lets you do it interactively.

Top White Papers and Webcasts

  • On-demand Event Event Date: October 29, 2014 It's well understood how critical version control is for code. However, its importance to DevOps isn't always recognized. The 2014 DevOps Survey of Practice shows that one of the key predictors of DevOps success is putting all production environment artifacts into version control. In this webcast, Gene Kim discusses these survey findings and shares woeful tales of artifact management gone wrong! Gene also shares examples of how high-performing DevOps …

  • On-demand Event Event Date: December 18, 2014 The Internet of Things (IoT) incorporates physical devices into business processes using predictive analytics. While it relies heavily on existing Internet technologies, it differs by including physical devices, specialized protocols, physical analytics, and a unique partner network. To capture the real business value of IoT, the industry must move beyond customized projects to general patterns and platforms. Check out this webcast and join industry experts as …

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