'Perspective' transformation with GDI+ in C#

Question

I would like to transform a picture with GDI+ in C#. I would like to do the two transformations in the picture shown, but I only find skew (shear) transformations, which is not really what I want to do. I'm looking for a 'perspective' like transformation.

https://i.sstatic.net/nUBtV.jpg

Is it possible to do something similar with a Matrix, like shown in the crude picture?

Thanks,

I would suggest using something like OpenTK which is a C# wrapper for the OpenGL API. — Reticulated Spline
– Reticulated Spline, Commented Mar 27, 2015 at 2:08
Thanks for the replies! I was looking for something simple, to avoid going 3D. I might be able to achieve something similar to what I had in mind with "predrawn" pictures in photoshop, and some skew. Thanks for the help, really appreciated. — Matmobile
– Matmobile, Commented Mar 29, 2015 at 2:40

aliner · Accepted Answer · 2015-05-18 19:57:47Z

0

Matrix in GDI+ represents an affine matrix that results in affine [linear+shift] transformation. You need a bilinear transformation that uses x*y component and cannot be done by Matrix.

I was also wondering about such simple functionality and will report if I find something simple and directly applicable.

answered May 18, 2015 at 19:57

aliner

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