Tag Archives: pixels

Load a picture and manipulate pixels in WPF and C#

Posted on April 8, 2020 by RodStephens

The post Easily manipulate pixels in WPF and C# explains a BitmapPixelMaker class that you can use to manipulate the pixels in an image in WPF relatively easily. That example creates the image from scratch. This post extends that class … Continue reading →

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

Easily manipulate pixels in WPF and C#

Posted on May 25, 2018 by Rod Stephens

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 →

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Save bitmap files in WPF and C#

Posted on May 23, 2018 by Rod Stephens

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 , , , , , , , , , , , , , , , | 3 Comments

Make a Region from non-transparent pixels in C#

Posted on September 2, 2016 by Rod Stephens

The example Make shaped PictureBoxes in C# sets the Region property of two PictureBox controls to circular regions. That works well in that example where the images are round volleyballs with transparent backgrounds, but it would be hard to manually … Continue reading →

Posted in algorithms, geometry, graphics, image processing | Tagged , , , , , , , , , , , , , | 1 Comment

Resize an image to view its pixels in C#

Posted on April 25, 2016 by RodStephens

This example shows how to resize an image so it is big enough to view its pixels. Normally you want resized images to be smooth, but this technique can be useful if you want to see exactly what colors the … Continue reading →

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Set the pixels in a WPF bitmap in C#

Posted on July 10, 2015 by Rod Stephens

This example shows how you can manipulate the pixels in a WPF bitmap. One of the things I like least about WPF is the way Microsoft threw away everything we had learned over years of working with Visual Studio. Yes, … Continue reading →

Posted in graphics, image processing, wpf, XAML | Tagged , , , , , , , , , , , , , | 6 Comments