diff options
Diffstat (limited to 'src/client/util/InteractionUtils.tsx')
-rw-r--r-- | src/client/util/InteractionUtils.tsx | 75 |
1 files changed, 50 insertions, 25 deletions
diff --git a/src/client/util/InteractionUtils.tsx b/src/client/util/InteractionUtils.tsx index edeb461e0..04a750f93 100644 --- a/src/client/util/InteractionUtils.tsx +++ b/src/client/util/InteractionUtils.tsx @@ -27,7 +27,7 @@ export namespace InteractionUtils { export interface MultiTouchEventDisposer { (): void; } /** - * + * * @param element - element to turn into a touch target * @param startFunc - event handler, typically Touchable.onTouchStart (classes that inherit touchable can pass in this.onTouchStart) */ @@ -94,10 +94,20 @@ export namespace InteractionUtils { export function CreatePolyline(points: { X: number, Y: number }[], left: number, top: number, color: string, width: number, strokeWidth: number, bezier: string, fill: string, arrowStart: string, arrowEnd: string, dash: string, scalex: number, scaley: number, shape: string, pevents: string, drawHalo: boolean, nodefs: boolean) { + let pts: { X: number; Y: number; }[] = []; if (shape) { //if any of the shape are true pts = makePolygon(shape, points); } + else if (points.length >= 5 && points[3].X === points[4].X) { + for (var i = 0; i < points.length - 3; i += 4) { + const array = [[points[i].X, points[i].Y], [points[i + 1].X, points[i + 1].Y], [points[i + 2].X, points[i + 2].Y], [points[i + 3].X, points[i + 3].Y]]; + for (var t = 0; t < 1; t += 0.01) { + const point = beziercurve(t, array); + pts.push({ X: point[0], Y: point[1] }); + } + } + } else if (points.length > 1 && points[points.length - 1].X === points[0].X && points[points.length - 1].Y === points[0].Y) { //pointer is up (first and last points are the same) const newPoints = points.reduce((p, pts) => { p.push([pts.X, pts.Y]); return p; }, [] as number[][]); @@ -111,7 +121,17 @@ export namespace InteractionUtils { } } } else { - pts = points; + pts = points.slice(); + // bcz: Ugh... this is ugly, but shapes apprently have an extra point added that is = (p[0].x,p[0].y+1) as some sort of flag. need to remove it here. + if (pts.length > 2 && pts[pts.length - 2].X === pts[0].X && pts[pts.length - 2].Y === pts[0].Y) { + pts.pop(); + } + } + if (isNaN(scalex)) { + scalex = 1; + } + if (isNaN(scaley)) { + scaley = 1; } const strpts = pts.reduce((acc: string, pt: { X: number, Y: number }) => acc + `${(pt.X - left - width / 2) * scalex + width / 2}, @@ -119,24 +139,23 @@ export namespace InteractionUtils { const dashArray = String(Number(width) * Number(dash)); const defGuid = Utils.GenerateGuid(); const arrowDim = Math.max(0.5, 8 / Math.log(Math.max(2, strokeWidth))); - return (<svg fill={fill === "none" ? color : fill}> {/* setting the svg fill sets the arrowhead fill */} + return (<svg fill={color}> {/* setting the svg fill sets the arrowStart fill */} {nodefs ? (null) : <defs> {arrowStart !== "dot" && arrowEnd !== "dot" ? (null) : <marker id={`dot${defGuid}`} orient="auto" overflow="visible"> <circle r={1} fill="context-stroke" /> </marker>} - {arrowStart !== "arrowHead" && arrowEnd !== "arrowHead" ? (null) : <marker id={`arrowHead${defGuid}`} orient="auto" overflow="visible" refX="1.6" refY="0" markerWidth="10" markerHeight="7"> + {arrowStart !== "arrow" && arrowEnd !== "arrow" ? (null) : <marker id={`arrowStart${defGuid}`} orient="auto" overflow="visible" refX="1.6" refY="0" markerWidth="10" markerHeight="7"> <polygon points={`${arrowDim} ${-Math.max(1, arrowDim / 2)}, ${arrowDim} ${Math.max(1, arrowDim / 2)}, -1 0`} /> </marker>} - {arrowStart !== "arrowEnd" && arrowEnd !== "arrowEnd" ? (null) : <marker id={`arrowEnd${defGuid}`} orient="auto" overflow="visible" refX="1.6" refY="0" markerWidth="10" markerHeight="7"> + {arrowStart !== "arrow" && arrowEnd !== "arrow" ? (null) : <marker id={`arrowEnd${defGuid}`} orient="auto" overflow="visible" refX="1.6" refY="0" markerWidth="10" markerHeight="7"> <polygon points={`${2 - arrowDim} ${-Math.max(1, arrowDim / 2)}, ${2 - arrowDim} ${Math.max(1, arrowDim / 2)}, 3 0`} /> </marker>} </defs>} - <polyline points={strpts} style={{ filter: drawHalo ? "url(#inkSelectionHalo)" : undefined, - fill, + fill: fill ? fill : "transparent", opacity: strokeWidth !== width ? 0.5 : undefined, pointerEvents: pevents as any, stroke: color ?? "rgb(0, 0, 0)", @@ -145,25 +164,13 @@ export namespace InteractionUtils { strokeLinecap: "round", strokeDasharray: dashArray }} - markerStart={`url(#${arrowStart + defGuid})`} - markerEnd={`url(#${arrowEnd + defGuid})`} + markerStart={`url(#${arrowStart + "Start" + defGuid})`} + markerEnd={`url(#${arrowEnd + "End" + defGuid})`} /> </svg>); } - // export function makeArrow() { - // return ( - // InkOptionsMenu.Instance.getColors().map(color => { - // const id1 = "arrowHeadTest" + color; - // console.log(color); - // <marker id={id1} orient="auto" overflow="visible" refX="0" refY="1" markerWidth="10" markerHeight="7"> - // <polygon points="0 0, 3 1, 0 2" fill={"#" + color} /> - // </marker>; - // }) - // ); - // } - export function makePolygon(shape: string, points: { X: number, Y: number }[]) { if (points.length > 1 && points[points.length - 1].X === points[0].X && points[points.length - 1].Y + 1 === points[0].Y) { //pointer is up (first and last points are the same) @@ -213,10 +220,28 @@ export namespace InteractionUtils { points.push({ X: left, Y: top }); return points; case "triangle": + // points.push({ X: left, Y: bottom }); + // points.push({ X: right, Y: bottom }); + // points.push({ X: (right + left) / 2, Y: top }); + // points.push({ X: left, Y: bottom }); + + points.push({ X: left, Y: bottom }); points.push({ X: left, Y: bottom }); + + points.push({ X: right, Y: bottom }); + points.push({ X: right, Y: bottom }); + points.push({ X: right, Y: bottom }); points.push({ X: right, Y: bottom }); + + points.push({ X: (right + left) / 2, Y: top }); + points.push({ X: (right + left) / 2, Y: top }); points.push({ X: (right + left) / 2, Y: top }); + points.push({ X: (right + left) / 2, Y: top }); + + points.push({ X: left, Y: bottom }); points.push({ X: left, Y: bottom }); + + return points; case "circle": const centerX = (right + left) / 2; @@ -252,6 +277,7 @@ export namespace InteractionUtils { // points.push({ X: x2, Y: y2 }); // return points; case "line": + points.push({ X: left, Y: top }); points.push({ X: right, Y: bottom }); return points; @@ -278,8 +304,8 @@ export namespace InteractionUtils { /** * Returns euclidean distance between two points - * @param pt1 - * @param pt2 + * @param pt1 + * @param pt2 */ export function TwoPointEuclidist(pt1: React.Touch, pt2: React.Touch): number { return Math.sqrt(Math.pow(pt1.clientX - pt2.clientX, 2) + Math.pow(pt1.clientY - pt2.clientY, 2)); @@ -378,7 +404,6 @@ export namespace InteractionUtils { // let dist12 = TwoPointEuclidist(pt1, pt2); // let dist23 = TwoPointEuclidist(pt2, pt3); // let dist13 = TwoPointEuclidist(pt1, pt3); - // console.log(`distances: ${dist12}, ${dist23}, ${dist13}`); // let dist12close = dist12 < leniency; // let dist23close = dist23 < leniency; // let dist13close = dist13 < leniency; @@ -410,4 +435,4 @@ export namespace InteractionUtils { // } // } } -}
\ No newline at end of file +} |