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| 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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | 175x 175x 175x 175x 175x 175x 175x 175x 175x 175x 68x 68x 107x 107x 33x 107x 107x | import type { Types } from '@cornerstonejs/core';
import _getHash from './_getHash';
import _setNewAttributesIfValid from './_setNewAttributesIfValid';
import _setAttributesIfNecessary from './_setAttributesIfNecessary';
import { SVGDrawingHelper } from '../types';
export default function drawLine(
svgDrawingHelper: SVGDrawingHelper,
annotationUID: string,
lineUID: string,
start: Types.Point2,
end: Types.Point2,
options = {},
dataId = ''
): void {
// if length is NaN return
Iif (isNaN(start[0]) || isNaN(start[1]) || isNaN(end[0]) || isNaN(end[1])) {
return;
}
const { color, width, lineWidth, lineDash, shadow } = Object.assign(
{
color: 'dodgerblue',
width: '2',
lineWidth: undefined,
lineDash: undefined,
shadow: undefined,
},
options
);
// for supporting both lineWidth and width options
const strokeWidth = lineWidth || width;
const svgns = 'http://www.w3.org/2000/svg';
const svgNodeHash = _getHash(annotationUID, 'line', lineUID);
const existingLine = svgDrawingHelper.getSvgNode(svgNodeHash);
const dropShadowStyle = shadow ? 'filter:url(#shadow);' : '';
const attributes = {
x1: `${start[0]}`,
y1: `${start[1]}`,
x2: `${end[0]}`,
y2: `${end[1]}`,
stroke: color,
style: dropShadowStyle,
'stroke-width': strokeWidth,
'stroke-dasharray': lineDash,
};
if (existingLine) {
// This is run to avoid re-rendering annotations that actually haven't changed
_setAttributesIfNecessary(attributes, existingLine);
svgDrawingHelper.setNodeTouched(svgNodeHash);
} else {
const newLine = document.createElementNS(svgns, 'line');
if (dataId !== '') {
newLine.setAttribute('data-id', dataId);
}
_setNewAttributesIfValid(attributes, newLine);
svgDrawingHelper.appendNode(newLine, svgNodeHash);
}
}
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