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Tag Archives: zoom
Make bitmap extension methods that resize bitmaps in C#
The post Resize pictures in a directory to specific widths or heights in C# lets you resize all of the pictures in a directory. This example extracts the key method that resizes files and places it in a new Bitmap … Continue reading
Resize pictures in a directory to specific widths or heights in C#
The post Resize pictures in a directory in C# lets you resize all of the pictures in a directory but it only scales the images. This example lets you resize pictures so they have a given width, height, or both. … Continue reading
Use the mouse wheel to scale an image in C#
This example lets you use the mouse wheel to zoom in and out on an image. To use the mouse wheel, the program needs to catch the MouseWheel event. Unfortunately that event isn’t listed in the Form Designer so you … Continue reading
Posted in events, graphics, image processing
Tagged C#, C# programming, events, example, example program, graphics, image processing, mouse wheel, scale, Windows Forms programming, zoom
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Zoom and scroll a picture drawn in C#
This program lets you zoom and scroll a picture drawn by the program. The program contains a Panel with AutoScale set to true. Inside the Panel is a PictureBox with SizeMode set to AutoSize. The PictureBox contains a Bitmap that … Continue reading
Posted in drawing, graphics
Tagged AutoScroll, C#, C# programming, draw image, drawing, example, example program, graphics, pan, Panel, PictureBox, scroll, smiley, smiley face, Windows Forms programming, zoom
2 Comments
Select parts of a scaled image in a PictureBox with different SizeMode values in C#
This example shows how you can select parts of a scaled image that has been stretched by a PictureBox. The example Copy, cut, and paste parts of an image to the clipboard in C# works okay if the PictureBox has … Continue reading
Posted in clipboard, graphics, image processing
Tagged AutoSize, C#, C# programming, CenterImage, clipboard, copy, copy image, cut, cut image, example, example program, graphics, paste, paste image, rubber band box, select image, StretchImage, Windows Forms programming, zoom
5 Comments
Zoom on a graph in WPF and C#
It’s remarkably easy to zoom on a graph in WPF. This example extends the example Let the user click on graph points in WPF and C#. To modify the previous version, you first need to rebuild the user interface a … Continue reading
Posted in algorithms, drawing, geometry, graphics, mathematics
Tagged algorithms, C#, C# programming, draw graph, draw graph in WPF, drawing, example, example program, geometry, GeometryGroup, graph, graph labels, graphics, label graph, labels, LineGeometry, mathematics, Matrix, Polyline, rotate text, rotated label, rotated text, scale, tic marks, transformation matrix, transformations, Windows Forms programming, WPF, XAML, zoom
2 Comments
Resize pictures in a directory in C#
This example shows how to resize pictures in a directory. This program lets you enter a directory name and a scale factor. It then loads all of the bmp, gif, jpg, jpeg, and png files in that directory, resizes them, … Continue reading
Resize images and save the results in C#
This program lets you load and resize images, and save the results into files. When the form loads, the following Load event handler saves the scale factor for each of the scaling menu items in their Tag properties. // Set … Continue reading
Posted in files, graphics
Tagged C#, C# programming, example, example program, files, graphics, image processing, images, resize images, resize pictures, Windows Forms programming, zoom, zoom images, zoom pictures
2 Comments