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freesewing/plugins/plugin-annotations/src/sewtogether.mjs

89 lines
3.2 KiB
JavaScript

const markers = `
<marker id="sewTogetherStart" markerWidth="4" markerHeight="4" orient="auto" refX="0" refY="2">
<path class="note stroke-sm" d="M4,4 L0,2 4,0" />
</marker>
<marker id="sewTogetherEnd" markerWidth="4" markerHeight="4" orient="auto" refX="4" refY="2">
<path class="note stroke-sm" d="M0,0 L4,2 0,4" />
</marker>
<marker id="sewTogetherCross" markerWidth="4" markerHeight="4" orient="auto" refX="2" refY="2">
<path d="M 0,0 L 4,4 M 4,0 L 0,4" class="note stroke-sm"/>
</marker>
`
// Export hooks
export const sewtogetherHooks = {
preRender: [
function (svg) {
if (svg.defs.indexOf(markers) === -1) svg.defs += markers
},
],
}
// Export macros
export const sewtogetherMacros = {
sewtogether: function (so, { points, paths, Path, complete, scale, sa }) {
if (so === false) {
delete points.sewtogetherFrom
delete points.sewtogetherFromCp
delete points.sewtogetherMiddle
delete points.sewtogetherTo
delete points.sewtogetherHinge
delete points.sewtogetherToCp
delete paths.sewtogetherSewTogetherHinge
delete paths.sewtogetherSewTogether
return true
}
so = {
prefix: 'sewtogether',
...so,
}
if (complete) {
if (null == so.middle) {
so.middle = so.from.shiftFractionTowards(so.to, 0.5)
}
points[so.prefix + 'From'] = so.from
points[so.prefix + 'Middle'] = so.middle
points[so.prefix + 'To'] = so.to
points[so.prefix + 'FromCp'] = points[so.prefix + 'From'].shift(
points[so.prefix + 'From'].angle(points[so.prefix + 'Middle']) + 90,
points[so.prefix + 'From'].dist(points[so.prefix + 'Middle']) / 1.5
)
points[so.prefix + 'ToCp'] = points[so.prefix + 'To'].shift(
points[so.prefix + 'To'].angle(points[so.prefix + 'Middle']) - 90,
points[so.prefix + 'To'].dist(points[so.prefix + 'Middle']) / 1.5
)
if (so.hinge) {
points[so.prefix + 'Hinge'] = points[so.prefix + 'Middle'].shift(
points[so.prefix + 'Middle'].angle(points[so.prefix + 'To']) +
Math.abs(
points[so.prefix + 'Middle'].angle(points[so.prefix + 'From']) -
points[so.prefix + 'Middle'].angle(points[so.prefix + 'To'])
) /
2 +
(sa ? 180 : 0),
sa
? sa
: Math.min(
points[so.prefix + 'From'].dist(points[so.prefix + 'Middle']),
points[so.prefix + 'From'].dist(points[so.prefix + 'Middle'])
) / 4
)
paths[so.prefix + 'SewTogetherHinge'] = new Path()
.move(points[so.prefix + 'Middle'])
.line(points[so.prefix + 'Hinge'])
.attr('marker-start', 'url(#sewTogetherCross)')
.attr('class', 'dotted note stroke-sm')
}
paths[so.prefix + 'SewTogether'] = new Path()
.move(points[so.prefix + 'From'])
.curve(points[so.prefix + 'FromCp'], points[so.prefix + 'ToCp'], points[so.prefix + 'To'])
.attr('class', 'dotted note stroke-sm')
.attr('marker-start', 'url(#sewTogetherStart)')
.attr('marker-end', 'url(#sewTogetherEnd)')
.attr('data-text', 'sewTogether')
.attr('data-text-class', 'center fill-note text-xs')
}
},
}