Category Archives: drawing

Make a Pinterest-style diagonal picture montage in C#

Posted on September 18, 2019 by RodStephens

This example was inspired by a picture montage generated by Pinterest. Several months ago, my girlfriend and I started a bakery (see the website here), and a cool image appeared on our Pinterest page (which is here). Pinterest had taken … Continue reading →

Posted in drawing, graphics, image processing, tools | Tagged , , , , , , , , , , , , , | Leave a comment

Study a fascinating color illusion in C#

Posted on September 8, 2019 by RodStephens

This example shows how you can generate a fascinating color illusion that tricks your brain trick into thinking that a black and white picture is actually colored. All of the pictures shown above are black and white. All except the … Continue reading →

Posted in drawing, graphics | Tagged , , , , , , , , , , | Leave a comment

Print circles centered inside other closely packed circles in C#

Posted on September 3, 2019 by RodStephens

This example shows how to print circles that are arranged densely in a hexagonal pattern. I needed that to make a cardboard sheet for arranging cupcakes to make a cupcake cake. The holes needed to be 1″ in radius and … Continue reading →

Posted in drawing, graphics | Tagged , , , , , , | Leave a comment

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

Posted on July 18, 2019 by RodStephens

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 →

Posted in drawing, fonts, graphics | Tagged , , , , , , , , , | Leave a comment

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

Posted on July 17, 2019 by RodStephens

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 →

Posted in drawing, fonts, graphics | Tagged , , , , , , , , , | 1 Comment

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

Posted on July 15, 2019 by RodStephens

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 →

Posted in drawing, fonts, graphics | Tagged , , , , , , , , , | 1 Comment

Draw random rectangles in C#

Posted on July 13, 2019 by RodStephens

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 →

Posted in drawing, graphics | Tagged , , , , , , , , | 2 Comments

Save a bitmap showing user drawn line segments in C#

Posted on July 10, 2019 by RodStephens

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 →

Posted in drawing, files, graphics | Tagged , , , , , , , , , , , , , , , , , , , | Leave a comment

Center text above or below a line segment in C#

Posted on June 23, 2019 by RodStephens

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 →

Posted in drawing, graphics | Tagged , , , , , , , | Leave a comment

Resize images in C#

Posted on June 21, 2019 by RodStephens

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 →

Posted in drawing, graphics, image processing | Tagged , , , , , , , , , | 4 Comments