Files
snk/packages/draw/drawGrid.ts
2020-10-20 16:53:42 +02:00

48 lines
1.2 KiB
TypeScript

import { getColor } from "@snk/types/grid";
import { pathRoundedRect } from "./pathRoundedRect";
import type { Grid, Color } from "@snk/types/grid";
import type { Point } from "@snk/types/point";
type Options = {
colorDots: Record<Color, string>;
colorEmpty: string;
colorBorder: string;
sizeCell: number;
sizeDot: number;
sizeBorderRadius: number;
cells?: Point[];
};
export const drawGrid = (
ctx: CanvasRenderingContext2D,
grid: Grid,
o: Options
) => {
for (let x = grid.width; x--; )
for (let y = grid.height; y--; ) {
if (!o.cells || o.cells.some((c) => c.x === x && c.y === y)) {
const c = getColor(grid, x, y);
// @ts-ignore
const color = !c ? o.colorEmpty : o.colorDots[c];
ctx.save();
ctx.translate(
x * o.sizeCell + (o.sizeCell - o.sizeDot) / 2,
y * o.sizeCell + (o.sizeCell - o.sizeDot) / 2
);
ctx.fillStyle = color;
ctx.strokeStyle = o.colorBorder;
ctx.lineWidth = 1;
ctx.beginPath();
pathRoundedRect(ctx, o.sizeDot, o.sizeDot, o.sizeBorderRadius);
ctx.fill();
ctx.stroke();
ctx.closePath();
ctx.restore();
}
}
};