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

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