public MainPage()
{
InitializeComponent();
global::SkiaSharp.Views.Forms.SKCanvasView canvasView = canvas;
CSharpMath.Forms.MathKeyboard keyboard = b;
var painter = new CSharpMath.SkiaSharp.MathPainter
{ /*set all properties aside from LocalTypefaces, FontSize, LineStyle,
* MathList, LaTeX and Source (these are ignored)*/
};
keyboard.RedrawRequested += (sender, e) => canvasView.InvalidateSurface();
canvasView.PaintSurface += (sender, e) => {
e.Surface.Canvas.Clear();
//for any DrawDisplay overload, arguments after canvas are the same as Draw
CSharpMath.SkiaSharp.MathPainter.DrawDisplay(painter, keyboard.Display, e.Surface.Canvas);
keyboard.DrawCaret(e.Surface.Canvas, CSharpMath.Rendering.CaretShape.IBeam);
};
}
public EditorPage()
{
InitializeComponent();
var view = new global::SkiaSharp.Views.Forms.SKCanvasView {
WidthRequest = 320, HeightRequest = 225
};
var painter = new SkiaSharp.MathPainter {
TextColor = global::SkiaSharp.SKColors.Black
};
var keyboard = new MathKeyboard();
keyboard.RedrawRequested += (_, __) => view.InvalidateSurface();
view.PaintSurface +=
(sender, e) => {
e.Surface.Canvas.Clear();
SkiaSharp.MathPainter.DrawDisplay(painter, keyboard.Display, e.Surface.Canvas);
keyboard.DrawCaret(e.Surface.Canvas, Rendering.CaretShape.UpArrow);
};
Content = new StackLayout {
Children = { view, keyboard }
};
}
