This library is a C# port of diku-canvas which is developed by Ken Friis Larsen for The Department of Computer science (DIKU) at Copenhagen University. Like the F# implentation, this library is a simple functional graphics library which is an abstraction of SDL2, featuring a number of simple functions for devoloping and running 2d graphics on a canvas.
We start by creating a window.
var window = new Window("Name", 500, 500);We supply the window with the window title and resolution.
Canvas Draw(Canvas canvas)
{
var width = canvas.ViewWidth;
var height = canvas.ViewHeight;
Drawer.SetLine(canvas, ColorPicker.Black, new Point(0,0), new Point(width, height));
return canvas;
}We defined a function that returns a Canvas and takes canvas as argument. Drawer.SetLine(); draws a line on the canvas. We give it a color and the points to draw from and to. We can now run our app.
window.RunSimpleApp(Draw);RunSimpleApp() will take in our draw function as argument and run it internally.
And just like that we have an application!
But often we want to do more than just show a static image. We want make stuff react based on user input! For this, we have the RunApp() function.
RunApp() takes a generic type as our "state", a draw function, and a onKeyPressed function.
There is an example posted in examples folder to help you get started!
This library has no affiliations with DIKU nor Larsen. I wrote this as an excercise to try to understand and explore SDL2 and diku-canvas internal systems. This port is not 1:1. Some functions like Show() is missing and will not be ported over.