1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
| import { Component } from "react";
| import { observer } from "mobx-react";
| import { Layer, Rect } from "react-konva";
|
| /**
| * Create grid for Image Canvas
| * @param {number} width
| * @param {number} height
| * @param {number} nodeSize
| */
| const createGrid = (width, height, nodeSize) => {
| return [...Array(width)]
| .map((_, col) =>
| [...Array(height)].map((_, row) => ({
| col,
| row,
| x: col * nodeSize,
| y: row * nodeSize,
| fill: "#fff",
| })),
| )
| .reduce((p, c) => [...p, ...c]);
| };
|
| export default observer(
| class ImageGrid extends Component {
| render() {
| const { item } = this.props;
|
| const grid = createGrid(
| Math.ceil(item.stageWidth / item.gridsize),
| Math.ceil(item.stageHeight / item.gridsize),
| item.gridsize,
| );
|
| return (
| <Layer opacity={0.15} name="ruler">
| {Object.values(grid).map((n, i) => (
| <Rect
| key={i}
| x={n.x}
| y={n.y}
| width={item.gridsize}
| height={item.gridsize}
| stroke={item.gridcolor}
| strokeWidth={1}
| />
| ))}
| </Layer>
| );
| }
| },
| );
|
|
