From c7121eb1756e04eafd6a74e665ef46ada655df5a Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Wed, 29 Sep 2021 22:13:29 -0400
Subject: cleaned up/fixed line arrowheads & dots.  added linecap options for
 lines, added outline of lines using fillColor. turned off border in comic
 mode for ink.

---
 src/client/views/InkingStroke.tsx | 32 +++++++++++++++++++++++---------
 1 file changed, 23 insertions(+), 9 deletions(-)

(limited to 'src/client/views/InkingStroke.tsx')

diff --git a/src/client/views/InkingStroke.tsx b/src/client/views/InkingStroke.tsx
index 8b1b3ea32..952af3019 100644
--- a/src/client/views/InkingStroke.tsx
+++ b/src/client/views/InkingStroke.tsx
@@ -20,6 +20,7 @@ import "./InkStroke.scss";
 import { InkStrokeProperties } from "./InkStrokeProperties";
 import { InkTangentHandles } from "./InkTangentHandles";
 import { FieldView, FieldViewProps } from "./nodes/FieldView";
+import { SnappingManager } from "../util/SnappingManager";
 
 type InkDocument = makeInterface<[typeof documentSchema]>;
 const InkDocument = makeInterface(documentSchema);
@@ -143,6 +144,7 @@ export class InkingStroke extends ViewBoxBaseComponent<FieldViewProps, InkDocume
         const inkDoc = this.props.Document;
         const screenSpaceCenterlineStrokeWidth = 3;  // the width of the blue line widget that shows the centerline of the ink stroke
         const { inkData, inkScaleX, inkScaleY, inkStrokeWidth, inkTop, inkLeft } = this.inkScaledData();
+        const closed = inkData.lastElement().X === inkData[0].X && inkData.lastElement().Y === inkData[0].Y;
 
         const screenInkWidth = this.props.ScreenToLocalTransform().inverse().transformDirection(inkStrokeWidth, inkStrokeWidth);
         const screenPts = inkData.map(point => this.props.ScreenToLocalTransform().inverse().transformPoint(
@@ -150,13 +152,15 @@ export class InkingStroke extends ViewBoxBaseComponent<FieldViewProps, InkDocume
             (point.Y - inkTop - inkStrokeWidth / 2) * inkScaleY + inkStrokeWidth / 2)).map(p => ({ X: p[0], Y: p[1] }));
         const screenHdlPts = screenPts;
 
-        return <div className="inkstroke-UI" style={{
+        const startMarker = StrCast(this.layoutDoc.strokeStartMarker);
+        const endMarker = StrCast(this.layoutDoc.strokeEndMarker);
+        return SnappingManager.GetIsDragging() ? (null) : <div className="inkstroke-UI" style={{
             clip: `rect(${boundsTop}px, 10000px, 10000px, ${boundsLeft}px)`
         }} >
             {InteractionUtils.CreatePolyline(screenPts, 0, 0, Colors.MEDIUM_BLUE, screenInkWidth[0], screenSpaceCenterlineStrokeWidth,
-                StrCast(inkDoc.strokeBezier), StrCast(inkDoc.fillColor, "none"),
-                StrCast(inkDoc.strokeStartMarker), StrCast(inkDoc.strokeEndMarker),
-                StrCast(inkDoc.strokeDash), 1, 1, "", "none", 1.0, false)}
+                StrCast(inkDoc.strokeLineJoin), StrCast(this.layoutDoc.strokeLineCap), StrCast(inkDoc.strokeBezier),
+                !closed ? "none" : StrCast(this.layoutDoc.fillColor, "none"),
+                startMarker, endMarker, StrCast(inkDoc.strokeDash), 1, 1, "", "none", 1.0, false)}
             {!this._properties?._controlButton ? (null) :
                 <>
                     <InkControlPtHandles
@@ -178,17 +182,27 @@ export class InkingStroke extends ViewBoxBaseComponent<FieldViewProps, InkDocume
     render() {
         TraceMobx();
         const { inkData, inkStrokeWidth, inkLeft, inkTop, inkScaleX, inkScaleY, inkWidth, inkHeight } = this.inkScaledData();
-        const strokeColor = StrCast(this.layoutDoc.color);
+
+        const startMarker = StrCast(this.layoutDoc.strokeStartMarker);
+        const endMarker = StrCast(this.layoutDoc.strokeEndMarker);
+        const closed = inkData.lastElement().X === inkData[0].X && inkData.lastElement().Y === inkData[0].Y;
+        const fillColor = StrCast(this.layoutDoc.fillColor, "transparent");
+        const strokeColor = !closed && fillColor && fillColor !== "transparent" ? fillColor : StrCast(this.layoutDoc.color);
 
         // Visually renders the polygonal line made by the user.
-        const inkLine = InteractionUtils.CreatePolyline(inkData, inkLeft, inkTop, strokeColor, inkStrokeWidth, inkStrokeWidth, StrCast(this.layoutDoc.strokeBezier), StrCast(this.layoutDoc.fillColor, "none"), StrCast(this.layoutDoc.strokeStartMarker),
-            StrCast(this.layoutDoc.strokeEndMarker), StrCast(this.layoutDoc.strokeDash), inkScaleX, inkScaleY, "", "none", 1.0, false);
+        const inkLine = InteractionUtils.CreatePolyline(inkData, inkLeft, inkTop, strokeColor, inkStrokeWidth, inkStrokeWidth,
+            StrCast(this.layoutDoc.strokeLineJoin), StrCast(this.layoutDoc.strokeLineCap),
+            StrCast(this.layoutDoc.strokeBezier), !closed ? "none" : fillColor === "transparent" ? "none" : fillColor, startMarker, endMarker,
+            StrCast(this.layoutDoc.strokeDash), inkScaleX, inkScaleY, "", "none", 1.0, false);
         // Thin blue line indicating that the current ink stroke is selected.
         // const selectedLine = InteractionUtils.CreatePolyline(data, left, top, Colors.MEDIUM_BLUE, strokeWidth, strokeWidth / 6, StrCast(this.layoutDoc.strokeBezier), StrCast(this.layoutDoc.fillColor, "none"),
         //     StrCast(this.layoutDoc.strokeStartMarker), StrCast(this.layoutDoc.strokeEndMarker), StrCast(this.layoutDoc.strokeDash), scaleX, scaleY, "", "none", 1.0, false);
         // Invisible polygonal line that enables the ink to be selected by the user.
-        const clickableLine = InteractionUtils.CreatePolyline(inkData, inkLeft, inkTop, "transparent", inkStrokeWidth, inkStrokeWidth + 15, StrCast(this.layoutDoc.strokeBezier),
-            StrCast(this.layoutDoc.fillColor, "none"), "none", "none", undefined, inkScaleX, inkScaleY, "", this.props.layerProvider?.(this.props.Document) === false ? "none" : "visiblepainted", 0.0, true);
+        const clickableLine = InteractionUtils.CreatePolyline(inkData, inkLeft, inkTop,
+            StrCast(this.layoutDoc.strokeOutlineColor, !closed && fillColor && fillColor !== "transparent" ? StrCast(this.layoutDoc.color, "transparent") : "transparent"), inkStrokeWidth, inkStrokeWidth + 15,
+            StrCast(this.layoutDoc.strokeLineJoin), StrCast(this.layoutDoc.strokeLineCap),
+            StrCast(this.layoutDoc.strokeBezier), !closed ? "none" : fillColor === "transparent" ? "none" : fillColor, startMarker, endMarker,
+            undefined, inkScaleX, inkScaleY, "", this.props.layerProvider?.(this.props.Document) === false ? "none" : "visiblepainted", 0.0, false);
         // Set of points rendered upon the ink that can be added if a user clicks on one.
 
         return (
-- 
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