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Category Archives: drawing
Make numbered buttons in C#
This program lets you create a sequence of images that look like numbered buttons. It’s another program that I seem to recreate periodically. Click the Background and Foreground color swatches to change those colors. Use the numeric up/down controls to … Continue reading
Posted in drawing, graphics, user interface
Tagged buttons, C#, C# programming, drawing, example, example program, graphics, numbered buttons, user interface, Windows Forms programming
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Enlarge a polygon that has colinear vertices in C#
The example Enlarge a polygon in C# shows how you can expand a polygon. The basic idea is to offset each of the polygon’s edges away from the polygon’s center and then see where adjacent edges intersect as shown in … Continue reading
Use the mouse wheel to scale images while cropping them to a desired aspect ratio in C#
This example adds mouse wheel support to the example Crop scaled images to a desired aspect ratio in C#. Some social media platforms work best with a 4:3 aspect ratio, so I use that example almost every day to crop … Continue reading
Posted in drawing, graphics, image processing
Tagged aspect ratio, C#, C# programming, drawing, example, example program, graphics, image processing, mouse wheel, Windows Forms programming
2 Comments
Allow scrolling while making a hexagonal montage in C#
The example Make a hexagonal montage of pictures in C# shows how to make a hexagonal montage similar to the one shown above. I sometimes want to make a montage that is much bigger, and that example doesn’t let you … Continue reading
Print product signs in C#
This is a program I recently wrote to print product signs for my bakery The Enchanted Oven. You can modify the code to use your product names and prices. In the program’s main form (upper left in the picture), select … Continue reading
Posted in drawing, graphics
Tagged C#, C# programming, drawing, example, example program, graphics, product signs, Windows Forms programming
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Allow scrolling while making a diagonal picture montage in C#
The post Make an improved diagonal picture montage in C# describes a program that lets you make a diagonal picture montage similar to the one shown above. I recently wanted to make a picture montage that was much bigger. There … Continue reading
Posted in drawing, graphics, image processing, tools
Tagged C#, C# programming, drawing, example, example program, graphics, image processing, montage, picture montage, pictures, Pinterest, rotate images, tools, Windows Forms programming
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Let the user scribble on a background image in C#
The post Let the user scribble on a PictureBox in C# shows how you can let the user draw with the mouse. This example lets you load a background image. It also lets you save the result into an image … Continue reading
Posted in drawing, graphics, image processing
Tagged C#, C# programming, draw, draw curves, draw polyline, drawing, example, example program, graphics, image processing, Polyline, scribble, Windows Forms programming
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Draw a radar chart in C#
A radar chart shows measurements along several axes that all radiate out from a common center. This lets you compare several properties for different objects at the same time. in a way, you can think of a radar chart as … Continue reading
Posted in drawing, graphics
Tagged C#, C# programming, drawing, example, example program, graphics, radar chart, Windows Forms programming
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Revised: Graph world total COVID-19 cases, deaths, and recoveries in C#
This post revises the example Graph world total COVID-19 cases, deaths, and recoveries in C#. Ulrich Rosin left a comment on that post. He added a seven-day average. He also displayed tick marks for the beginning of each month instead … Continue reading
Posted in drawing, graphics
Tagged C#, C# programming, cases per million, corona virus, coronavirus, COVID-19, COVID-19 deaths, COVID-19 deaths per million, COVID-19 recoveries, COVID-19 resolutions, deaths per million, drawing, example, example program, graphics, pandemic, Windows Forms programming
5 Comments
Crop scaled images to a desired aspect ratio in C#
I often need to crop images and sometimes I want a specific aspect ratio. (In case you haven’t heard this term before, the aspect ratio is the ratio of the image’s width to height. As an equation, it’s width / … Continue reading
Posted in drawing, graphics, image processing
Tagged aspect ratio, C#, C# programming, drawing, example, example program, graphics, image processing, Windows Forms programming
2 Comments