Category Archives: drawing

Draw an elliptical arc in WPF and XAML

Posted on May 17, 2019 by RodStephens

This example shows how to use XAML code to draw an elliptical arc in a WPF. The following sections explain how to specify an elliptical arc and how to draw one in XAML. Specifying an Elliptical Arc WPF provides several … Continue reading →

Posted in drawing, geometry, graphics, mathematics, wpf, XAML | Tagged arc, C#, C# programming, drawing, elliptical arc, example, example program, geometry, graphics, mathematics, Windows Forms programming, WPF, XAML | Leave a comment

Make drawing extension methods in WPF and C#

Posted on May 15, 2019 by RodStephens

This example shows how to make a few handy extension methods for drawing in WPF. Drawing in WPF is at best awkward and at worst downright painful. For example, the following XAML code draws a rectangle. <Grid> <Canvas Name=”canDrawing”> <Rectangle … Continue reading →

Posted in drawing, extension methods, graphics, wpf, XAML | Tagged C#, C# programming, drawing, example, example program, extension methods, graphics, Windows Forms programming, WPF, XAML | 2 Comments

“WPF 3d” is now available for Kindle

Posted on May 8, 2019 by RodStephens

My book WPF 3d: Three-Dimensional Graphics with WPF and C# is now available in the Kindle Store. I’m not completely thrilled with the way it was converted for Kindle (there are some formatting errors), but it should be usable. Here … Continue reading →

Posted in 3D, 3D graphics, books, drawing, graphics, three-dimensional graphics | Tagged 3D, 3D graphics, books, C#, C# programming, drawing, example, example program, graphics, three-dimensional graphics, Windows Forms programming | 4 Comments

Use transparency when drawing with anti-aliasing in C#

Posted on May 6, 2019 by RodStephens

Anti-aliasing makes drawn lines look smoother on a raster image such as a bitmap or on the screen. Transparency allows you to place an image on top of another image so parts of the underlying image show through. Unfortunately, when … Continue reading →

Posted in drawing, graphics, image processing | Tagged anti aliasing, C#, C# programming, drawing, example, example program, graphics, image processing, Windows Forms programming | 1 Comment

Graph equations while preserving aspect ratio in WPF and C#

Posted on May 1, 2019 by RodStephens

The previous example, Graph equations entered by the user in WPF and C# shows how to graph an equation entered by the user. The user must also enter the coordinate bounds that the program should use. For example, in the … Continue reading →

Posted in algorithms, drawing, graphics, mathematics, reflection, wpf | Tagged algorithms, aspect ratio, C#, C# programming, drawing, example, example program, graph, graph equation, graph function, graphics, mathematics, reflection, Windows Forms programming, WPF | 2 Comments

Graph equations entered by the user in WPF and C#

Posted on April 30, 2019 by RodStephens

This example uses key techniques described in several examples, mostly the following two: Use transformations to draw a graph in WPF and C# Graph equations entered by the user in C# The following two sections describe the key techniques taken … Continue reading →

Posted in algorithms, drawing, graphics, mathematics, reflection, wpf | Tagged algorithms, C#, C# programming, drawing, example, example program, graph, graph equation, graph function, graphics, mathematics, reflection, Windows Forms programming, WPF | 1 Comment

Use XAML and code behind to draw and outline shapes with gradients in WPF and C#

Posted on April 24, 2019 by RodStephens

My unofficial slogan for WPF is, “Twice and flexible and only five times as hard,” and that applies to working with gradients. Gradients are undoubted cool and very flexible, but they are verbose and a bit tricky to use. How … Continue reading →

Posted in drawing, graphics, wpf | Tagged C#, C# programming, colors, drawing, ellipse, example, example program, gradients, graphics, shapes, Windows Forms programming, WPF | Leave a comment

Let the user draw a smooth curve with WPF and C#

Posted on April 22, 2019 by RodStephens

This example combines techniques used by the following examples. Draw a smooth curve in WPF and C# Let the user draw a smooth curve in C# The program uses the following code to keep track off what it is doing … Continue reading →

Posted in drawing, graphics, wpf | Tagged C#, C# programming, drawing, example, example program, graphics, smooth curve, Windows Forms programming, WPF | 2 Comments

Draw a smooth closed curve in WPF and C#

Posted on April 17, 2019 by RodStephens

The post Draw a smooth curve in WPF and C# explains how you can create a series of Bézier curves to smoothly connect a group of points. This example shows how to modify that one to create a smooth closed … Continue reading →

Posted in drawing, graphics, wpf | Tagged Bézier curve, C#, C# programming, closed curve, drawing, example, example program, graphics, smooth closed curve, smooth curve, Windows Forms programming, WPF | Leave a comment

Draw a smooth curve in WPF and C#

Posted on April 15, 2019 by RodStephens

In Windows Forms programming, you can draw a smooth curve by using the Graphics object’s DrawCurve method. For some reason, Microsoft did not provide the ability to draw a smooth curve in WPF. Fortunatrely, you can use a series of … Continue reading →