bar

pub fn bar(self: *PlotWidget, opts: BarOptions) void {
    const dp1 = Data{ .x = opts.x, .y = opts.y };
    const dp2 = Data{ .x = opts.x + opts.w, .y = opts.y + opts.h };

    self.dataForRange(dp1);
    self.dataForRange(dp2);

    const sp1 = self.dataToScreen(dp1);
    const sp2 = self.dataToScreen(dp2);

    if (self.mouse_point) |mp| {
        const smin: dvui.Point.Physical = .{ .x = @min(sp1.x, sp2.x), .y = @min(sp1.y, sp2.y) };
        const smax: dvui.Point.Physical = .{ .x = @max(sp1.x, sp2.x), .y = @max(sp1.y, sp2.y) };
        const srect = dvui.Rect.Physical{
            .x = smin.x,
            .y = smin.y,
            .w = smax.x - smin.x,
            .h = smax.y - smin.y,
        };
        if (srect.contains(mp)) {
            self.hover_data = .{ .bar = .{
                .x = opts.x,
                .y = opts.y,
                .w = opts.w,
                .h = opts.h,
            } };
        }
    }

    dvui.Path.fillConvex(
        .{
            .points = &.{
                sp1,
                .{ .x = sp2.x, .y = sp1.y },
                sp2,
                .{ .x = sp1.x, .y = sp2.y },
            },
        },
        .{ .color = opts.color orelse dvui.themeGet().focus },
    );
}