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import type { ParamDefinition } from "@/lib/params";
import { applyAlignedStroke } from "../stroke";
import { STROKE_ALIGN_PARAM, type GraphicStrokeAlign } from "./shared";
import type { GraphicDefinition } from "../types";
interface RectangleParams {
fill: string;
stroke: string;
strokeWidth: number;
strokeAlign: GraphicStrokeAlign;
cornerRadius: number;
}
const RECTANGLE_PARAMS: ParamDefinition<keyof RectangleParams & string>[] = [
{
key: "fill",
label: "Fill",
type: "color",
default: "#ffffff",
},
{
key: "stroke",
label: "Color",
type: "color",
default: "#000000",
group: "stroke",
},
{
key: "strokeWidth",
label: "Width",
type: "number",
default: 0,
min: 0,
max: 64,
step: 1,
shortLabel: "W",
group: "stroke",
},
STROKE_ALIGN_PARAM,
{
key: "cornerRadius",
label: "Corner radius",
type: "number",
default: 0,
min: 0,
max: 50,
step: 1,
shortLabel: "R",
},
];
export const rectangleGraphicDefinition: GraphicDefinition = {
id: "rectangle",
name: "Rectangle",
keywords: ["rectangle", "square", "box"],
params: RECTANGLE_PARAMS,
render({ ctx, params, width, height }) {
const fill = String(params.fill ?? "#ffffff");
const stroke = String(params.stroke ?? "#000000");
const strokeWidth = Math.max(0, Number(params.strokeWidth ?? 0));
const strokeAlign = (params.strokeAlign ?? "center") as GraphicStrokeAlign;
const inset = strokeAlign === "center" ? strokeWidth / 2 : 0;
const drawWidth = Math.max(1, width - inset * 2);
const drawHeight = Math.max(1, height - inset * 2);
const radiusPercent = Math.max(0, Number(params.cornerRadius ?? 0));
const radius =
(Math.min(drawWidth, drawHeight) / 2) * Math.min(radiusPercent, 50) / 50;
ctx.clearRect(0, 0, width, height);
const path = new Path2D();
path.roundRect(inset, inset, drawWidth, drawHeight, radius);
ctx.fillStyle = fill;
ctx.fill(path);
if (strokeWidth > 0) {
applyAlignedStroke({
ctx,
path,
strokeWidth,
strokeAlign,
strokeColor: stroke,
});
}
},
};
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