import type { Rect } from "@core/geometry";
import type { ViewportState } from "@editor/state";
import type { ScreenRect } from "./types";

export function documentRectToScreenRect(canvas: HTMLCanvasElement, rect: Rect, viewport: ViewportState): ScreenRect {
  return {
    x: Math.round(canvas.width / 2 + (rect.x - viewport.center.x) * viewport.zoom),
    y: Math.round(canvas.height / 2 + (rect.y - viewport.center.y) * viewport.zoom),
    w: Math.max(0, Math.round(rect.w * viewport.zoom)),
    h: Math.max(0, Math.round(rect.h * viewport.zoom)),
  };
}