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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 70 71 72 73 74 75 76 77 78 79 80 81 82 | 1762x 1762x 1762x 1762x 1762x 1762x 1762x 1762x 1762x 1762x 1514x 1514x 248x 248x 24x 248x 248x | import type { Types } from '@cornerstonejs/core';
import _getHash from './_getHash';
import setNewAttributesIfValid from './setNewAttributesIfValid';
import setAttributesIfNecessary from './setAttributesIfNecessary';
import type { 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 = 'rgb(0, 255, 0)',
width = 10,
lineWidth,
lineDash,
markerStartId = null,
markerEndId = null,
shadow = false,
strokeOpacity = 1,
} = options as {
color?: string;
width?: string;
lineWidth?: string;
lineDash?: string;
markerStartId?: string;
markerEndId?: string;
shadow?: boolean;
strokeOpacity?: number;
};
// 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 layerId = svgDrawingHelper.svgLayerElement.id;
const dropShadowStyle = shadow ? `filter:url(#shadow-${layerId});` : '';
const attributes = {
x1: `${start[0]}`,
y1: `${start[1]}`,
x2: `${end[0]}`,
y2: `${end[1]}`,
stroke: color,
style: dropShadowStyle,
'stroke-width': strokeWidth,
'stroke-dasharray': lineDash,
'marker-start': markerStartId ? `url(#${markerStartId})` : '',
'marker-end': markerEndId ? `url(#${markerEndId})` : '',
'stroke-opacity': strokeOpacity,
};
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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