Files
image-studio/renderer/selection.ts
2026-07-03 16:04:43 +02:00

26 lines
1.3 KiB
TypeScript

import type { ImageDocument } from "@core/document";
import type { EditorState } from "@editor/state";
import { clearScreenRect } from "./clear-rect";
import { documentRectToScreenRect } from "./screen-rect";
import type { RgbaColor, ScreenRect, WebGlRendererContext } from "./types";
const selectionColor: RgbaColor = [0.1, 0.65, 1, 1];
export function renderSelectionOverlay(context: WebGlRendererContext, document: ImageDocument, editor: EditorState) {
const selectedArtboard = editor.selection.artboardId
? document.artboards.find((artboard) => artboard.id === editor.selection.artboardId)
: undefined;
if (!selectedArtboard) return;
const rect = documentRectToScreenRect(context.canvas, selectedArtboard.bounds, editor.viewport);
renderScreenRectStroke(context, rect, 3, selectionColor);
}
function renderScreenRectStroke(context: WebGlRendererContext, rect: ScreenRect, width: number, color: RgbaColor) {
clearScreenRect(context, { x: rect.x - width, y: rect.y - width, w: rect.w + width * 2, h: width }, color);
clearScreenRect(context, { x: rect.x - width, y: rect.y + rect.h, w: rect.w + width * 2, h: width }, color);
clearScreenRect(context, { x: rect.x - width, y: rect.y, w: width, h: rect.h }, color);
clearScreenRect(context, { x: rect.x + rect.w, y: rect.y, w: width, h: rect.h }, color);
}