Draw a Diagonal Lines in the image

Hello. I have an image and wants to draw multiple diagonal lines in the image. I have the height and width of the image

I see some examples but those are by using graphics library. I don't know how to use DrawLine function or by Bresenham's line algorithm . can anyone please help me out.

Thank you
Last edited on
How are you updating the image? Are you changing individual pixel values?
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