Category Archives: drawing

Draw text with colors reversed along a sine wave in C#

The post Draw text with colors reversed along a diagonal line in C# demonstrated a general technique for splitting text (or any other image) into pieces that are drawn differently. That example showed how to draw text with some areas … Continue reading

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Draw text with colors reversed along a diagonal line in C#

The post Draw text with colors reversed in its upper and lower halves in C# showed how you can draw text that has upper and lower halves with colors switched. This example uses a similar technique to switch the colors … Continue reading

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Draw text with colors reversed in its upper and lower halves in C#

This example and the two that follow show how to draw text with an interesting visual effect. The idea is quite simple. Make two bitmaps showing the text with its different color schemes. Then use those images to fill different … Continue reading

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Draw random rectangles in C#

This example simply draws random rectangles on top of each other. It’s mostly straightforward, although it does contain a couple of techniques that are useful if you do a lot of graphics programming. When it starts, the following code performs … Continue reading

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Save a bitmap showing user drawn line segments in C#

The example Draw, move, and delete line segments in C# lets the user draw line segments, but it doesn’t include a way to save a bitmap showing the result. This example provides the same features as the previous one, plus … Continue reading

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Center text above or below a line segment in C#

My post Draw text on a line segment in C# shows how to draw text above or below a line segment, but that technique does not work very well if you want to center text over the segment. That post … Continue reading

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Resize images in C#

You can use MS Paint to easily resize images. Unfortunately, it won’t preserve transparency if you save the result. I often need to resize transparent images so I finally got around to writing this example. It lets you resize images … Continue reading

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Find hexes a certain distance from a target hex in C#

My post Draw a hexagonal grid in C# shows how you can draw a grid made up of hexagons. This post shows how you can find the hexes that are a given distance N from a target hex. Basic Idea … Continue reading

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Let the user draw a polyline in WPF and C#

This example shows how you can let the user use the mouse to draw a polyline in and WPF application in C#. I often badmouth WPF by saying that it is “twice as flexible and only ten times as hard” … Continue reading

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Let the user draw, move, and modify an arc in C#, Part 2

My previous post Let the user draw, move, and modify an arc in C#, Part 1 describes an Arc class that allows a program to draw arcs. This post explains how the example program uses that class to let the … Continue reading

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