void RCTContextSetFillColorWithUint(IntPtr cr, uint color)
{
uint b = color & 0xFF;
uint g = (color >> 8) & 0xFF;
uint r = (color >> 16) & 0xFF;
Cairo.cairo_set_source_rgba(cairo, r, g, b, 1); //black alpha default
}
public void RCTUIGraphicsBeginImageContext(CGSize size, Color backgroundColor, bool hasCornerRadii, bool drawToEdge)
{
/// create cairo surface and context here
surface = Cairo.cairo_image_surface_create(0, 1920, 1080);
cairo = Cairo.cairo_create(surface);
/* clear background as white */
Cairo.cairo_set_source_rgba(cairo, 1, 1, 1, 1);
Cairo.cairo_paint(cairo);
// set default stroke line width and color for Cairo context
Cairo.cairo_set_line_width(cairo, 1.0);
Cairo.cairo_set_source_rgba(cairo, 0, 0, 0, 1); //black line
}
void RCTContextSetFillColorWithColor(IntPtr cr, Color color)
{
// set with Color parsed value
Cairo.cairo_set_source_rgba(cairo, color.R, color.G, color.B, color.A);
}