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Category Archives: image processing
Encode and decode Futurama’s alienese in C#
My last two posts explained a program can pull out pieces of an image. In those examples, the image was a collection of glyphs and the program saved the individual glyphs in png files. This post uses the glyphs to … Continue reading
Separate glyphs in an image in C#, Part 2
This is the second post describing the program that I wrote to separate glyphs in a combined image. The first post explained the program’s menus. This post explains how the program manages its red glyph selection rectangle. This post describes … Continue reading
Separate glyphs in an image in C#, Part 1
I’m working on a program to translate to and from Futurama’s alienese alphabet. Before I do that, I wrote this program to separate glyphs stored in an image that contains the alphabet. It’s a fairly full-featured program, so I’ll describe … Continue reading
Posted in graphics, image processing
Tagged alienese, C#, C# programming, example, example program, Futurama, graphics, image processing, separate glyphs, Windows Forms programming
1 Comment
Perform image hashing in C#
Image hashing or (perceptual image hashing) attempts to reduce an image to a concise code that represents the image so you can compare it to other images to see if they are the same. This example uses a difference hash … Continue reading
Posted in algorithms, graphics, image processing
Tagged algorithms, C#, C# programming, example, example program, graphics, image processing, Windows Forms programming
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Tile a bitmap with a string in C#
I recently needed a bitmap tiled with a string for a book I’m working on, so I wrote this program to make it. The program lets you click on the font name, dimensions, or colors to select those values. When … Continue reading
Save WriteableBitmap images in multiple formats in WPF and C#
The post Easily save a WriteableBitmap in WPF and C# describes an extension method that makes it easy to save a WriteableBitmap object into a PNG file, but what if you want to save the image in some other format … Continue reading
Posted in extension methods, graphics, image processing, wpf, XAML
Tagged C#, C# programming, example, example program, extension methods, graphics, image file formats, image formats, image processing, png, png file, save bitmap, save WriteableBitmap, SaveBitmap, Windows Forms programming, WPF, WriteableBitmap, XAML
1 Comment
Easily save a WriteableBitmap in WPF and C#
In my post Save bitmap files in WPF and C# I lamented (okay, whined about) the cumbersomeness of saving a WriteableBitmap into a file in WPF. Fortunately there’s a way you can make it easier. Simply add an extension method … Continue reading
Easily manipulate pixels in WPF and C#
After building the example Save bitmap files in WPF and C#, I couldn’t get it out of my head. Doing the math to set the correct bytes in a one-dimensional pixel array isn’t all that hard, but it is annoying … Continue reading
Posted in graphics, image processing, wpf
Tagged Bitmap, BitmapPixelMaker, C#, C# programming, example, example program, graphics, image, image processing, pixels, Windows Forms programming, WPF, WriteableBitmap, XAML
1 Comment
Save bitmap files in WPF and C#
This example shows how to use WPF and C# to save bitmap files. The example Set the pixels in a WPF bitmap in C# shows how to create a WriteableBitmap in WPF. This example shows how to save the resulting … Continue reading
Posted in files, graphics, image processing
Tagged Bitmap, C#, C# programming, example, example program, files, graphics, image, image processing, pixels, save bitmap, save bitmap files, Windows Forms programming, WPF, WriteableBitmap, XAML
3 Comments
Combine images in rows and columns in C#
I just finished my latest book WPF 3d, Three-Dimensional Graphics with WPF and C# and I wanted to combine images showing samples from the book into a single image. You can use a program such as MS Paint to do … Continue reading
Posted in algorithms, drawing, graphics, image processing
Tagged algorithms, C#, C# programming, combine images, drawing, example, example program, graphics, image processing, Windows Forms programming
1 Comment