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import React = require("react");
import { action, observable } from "mobx";
import { observer } from "mobx-react";
import { Doc } from "../../fields/Doc";
import { documentSchema } from "../../fields/documentSchemas";
import { InkData, InkField, InkTool } from "../../fields/InkField";
import { makeInterface } from "../../fields/Schema";
import { Cast, StrCast } from "../../fields/Types";
import { TraceMobx } from "../../fields/util";
import { setupMoveUpEvents, emptyFunction, returnFalse } from "../../Utils";
import { CognitiveServices } from "../cognitive_services/CognitiveServices";
import { InteractionUtils } from "../util/InteractionUtils";
import { Scripting } from "../util/Scripting";
import { ContextMenu } from "./ContextMenu";
import { ViewBoxBaseComponent } from "./DocComponent";
import "./InkStroke.scss";
import { FieldView, FieldViewProps } from "./nodes/FieldView";
import { InkStrokeProperties } from "./InkStrokeProperties";
import { CurrentUserUtils } from "../util/CurrentUserUtils";
import { InkControls } from "./InkControls";
import { InkHandles } from "./InkHandles";
type InkDocument = makeInterface<[typeof documentSchema]>;
const InkDocument = makeInterface(documentSchema);
@observer
export class InkingStroke extends ViewBoxBaseComponent<FieldViewProps, InkDocument>(InkDocument) {
static readonly MaskDim = 50000;
@observable private _properties?: InkStrokeProperties;
constructor(props: FieldViewProps & InkDocument) {
super(props);
this._properties = InkStrokeProperties.Instance;
}
public static LayoutString(fieldStr: string) {
return FieldView.LayoutString(InkingStroke, fieldStr);
}
analyzeStrokes() {
const data: InkData = Cast(this.dataDoc[this.fieldKey], InkField)?.inkData ?? [];
CognitiveServices.Inking.Appliers.ConcatenateHandwriting(this.dataDoc, ["inkAnalysis", "handwriting"], [data]);
}
@action
public static toggleMask = (inkDoc: Doc) => {
inkDoc.isInkMask = !inkDoc.isInkMask;
inkDoc._backgroundColor = inkDoc.isInkMask ? "rgba(0,0,0,0.7)" : undefined;
inkDoc.mixBlendMode = inkDoc.isInkMask ? "hard-light" : undefined;
inkDoc.color = "#9b9b9bff";
inkDoc._stayInCollection = inkDoc.isInkMask ? true : undefined;
}
/**
* Handles the movement of the entire ink object when the user clicks and drags.
*/
onPointerDown = (e: React.PointerEvent) => {
if (this.props.isSelected(true)) {
setupMoveUpEvents(this, e, returnFalse, emptyFunction,
action((e: PointerEvent, doubleTap: boolean | undefined) =>
doubleTap && this._properties && (this._properties._controlButton = true))
);
}
}
render() {
TraceMobx();
// Extracting the ink data and formatting information of the current ink stroke.
const data: InkData = Cast(this.dataDoc[this.fieldKey], InkField)?.inkData ?? [];
const inkDoc: Doc = this.layoutDoc;
const strokeWidth = Number(this.layoutDoc.strokeWidth);
const lineTop = Math.min(...data.map(p => p.Y));
const lineBottom = Math.max(...data.map(p => p.Y));
const lineLeft = Math.min(...data.map(p => p.X));
const lineRight = Math.max(...data.map(p => p.X));
const left = lineLeft - strokeWidth / 2;
const top = lineTop - strokeWidth / 2;
const right = lineRight + strokeWidth / 2;
const bottom = lineBottom + strokeWidth / 2;
const width = Math.max(1, right - left);
const height = Math.max(1, bottom - top);
const scaleX = width === strokeWidth ? 1 : (this.props.PanelWidth() - strokeWidth) / (width - strokeWidth);
const scaleY = height === strokeWidth ? 1 : (this.props.PanelHeight() - strokeWidth) / (height - strokeWidth);
const strokeColor = StrCast(this.layoutDoc.color, "");
const dotsize = Math.max(width * scaleX, height * scaleY) / 40;
// Visually renders the polygonal line made by the user.
const inkLine = InteractionUtils.CreatePolyline(data, left, top, strokeColor, strokeWidth, strokeWidth,
StrCast(this.layoutDoc.strokeBezier), StrCast(this.layoutDoc.fillColor, "none"),
StrCast(this.layoutDoc.strokeStartMarker), StrCast(this.layoutDoc.strokeEndMarker),
StrCast(this.layoutDoc.strokeDash), scaleX, scaleY, "", "none",
this.props.isSelected() && strokeWidth <= 5 && lineBottom - lineTop > 1 && lineRight - lineLeft > 1,
false);
// Thin blue line indicating that the current ink stroke is selected.
const selectedLine = InteractionUtils.CreatePolyline(
data, lineLeft - strokeWidth * 3, lineTop - strokeWidth * 3, "#1F85DE", strokeWidth / 6,
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",
this.props.isSelected() && strokeWidth <= 5 && lineBottom - lineTop > 1 && lineRight - lineLeft > 1,
false);
// Invisible polygonal line that enables the ink to be selected by the user.
const clickableLine = InteractionUtils.CreatePolyline(data, left, top,
this.props.isSelected() && strokeWidth > 5 ? strokeColor : "transparent", strokeWidth,
strokeWidth + 15, StrCast(this.layoutDoc.strokeBezier),
StrCast(this.layoutDoc.fillColor, "none"), "none", "none", undefined, scaleX, scaleY, "",
this.props.layerProvider?.(this.props.Document) === false ? "none" : "visiblepainted", false, true);
// Set of points rendered upon the ink that can be added if a user clicks on one.
const addedPoints = InteractionUtils.CreatePoints(data, left, top, strokeColor, strokeWidth, strokeWidth,
StrCast(this.layoutDoc.strokeBezier), StrCast(this.layoutDoc.fillColor, "none"),
StrCast(this.layoutDoc.strokeStartMarker), StrCast(this.layoutDoc.strokeEndMarker),
StrCast(this.layoutDoc.strokeDash), scaleX, scaleY, "", "none",
this.props.isSelected() && strokeWidth <= 5, false);
return (
<svg className="inkStroke"
style={{
pointerEvents: this.props.Document.isInkMask && this.props.layerProvider?.(this.props.Document) !== false ? "all" : "none",
transform: this.props.Document.isInkMask ? `translate(${InkingStroke.MaskDim / 2}px, ${InkingStroke.MaskDim / 2}px)` : undefined,
mixBlendMode: this.layoutDoc.tool === InkTool.Highlighter ? "multiply" : "unset",
overflow: "visible",
}}
onPointerDown={this.onPointerDown}
onContextMenu={() => {
const cm = ContextMenu.Instance;
if (cm) {
!Doc.UserDoc().noviceMode && cm.addItem({ description: "Recognize Writing", event: this.analyzeStrokes, icon: "paint-brush" });
cm.addItem({ description: "Toggle Mask", event: () => InkingStroke.toggleMask(this.rootDoc), icon: "paint-brush" });
cm.addItem({ description: "Edit Points", event: action(() => { if (this._properties) { this._properties._controlButton = !this._properties._controlButton; } }), icon: "paint-brush" });
}
}}
>
{clickableLine}
{inkLine}
{this.props.isSelected() ? selectedLine : ""}
{this.props.isSelected() && this._properties?._controlButton ?
<>
<InkControls
data={data}
addedPoints={addedPoints}
format={[left, top, scaleX, scaleY, strokeWidth, dotsize]}
ScreenToLocalTransform={this.props.ScreenToLocalTransform} />
<InkHandles
inkDoc={inkDoc}
data={data}
format={[left, top, scaleX, scaleY, strokeWidth, dotsize]}
ScreenToLocalTransform={this.props.ScreenToLocalTransform} />
</> : ""}
</svg>
);
}
}
export function SetActiveInkWidth(width: string): void { !isNaN(parseInt(width)) && ActiveInkPen() && (ActiveInkPen().activeInkWidth = width); }
export function SetActiveBezierApprox(bezier: string): void { ActiveInkPen() && (ActiveInkPen().activeInkBezier = isNaN(parseInt(bezier)) ? "" : bezier); }
export function SetActiveInkColor(value: string) { ActiveInkPen() && (ActiveInkPen().activeInkColor = value); }
export function SetActiveFillColor(value: string) { ActiveInkPen() && (ActiveInkPen().activeFillColor = value); }
export function SetActiveArrowStart(value: string) { ActiveInkPen() && (ActiveInkPen().activeArrowStart = value); }
export function SetActiveArrowEnd(value: string) { ActiveInkPen() && (ActiveInkPen().activeArrowEnd = value); }
export function SetActiveDash(dash: string): void { !isNaN(parseInt(dash)) && ActiveInkPen() && (ActiveInkPen().activeDash = dash); }
export function ActiveInkPen(): Doc { return Doc.UserDoc(); }
export function ActiveInkColor(): string { return StrCast(ActiveInkPen()?.activeInkColor, "black"); }
export function ActiveFillColor(): string { return StrCast(ActiveInkPen()?.activeFillColor, ""); }
export function ActiveArrowStart(): string { return StrCast(ActiveInkPen()?.activeArrowStart, ""); }
export function ActiveArrowEnd(): string { return StrCast(ActiveInkPen()?.activeArrowEnd, ""); }
export function ActiveDash(): string { return StrCast(ActiveInkPen()?.activeDash, "0"); }
export function ActiveInkWidth(): string { return StrCast(ActiveInkPen()?.activeInkWidth, "1"); }
export function ActiveInkBezierApprox(): string { return StrCast(ActiveInkPen()?.activeInkBezier); }
Scripting.addGlobal(function activateBrush(pen: any, width: any, color: any, fill: any, arrowStart: any, arrowEnd: any, dash: any) {
CurrentUserUtils.SelectedTool = pen ? InkTool.Highlighter : InkTool.None;
SetActiveInkWidth(width);
SetActiveInkColor(color);
SetActiveFillColor(fill);
SetActiveArrowStart(arrowStart);
SetActiveArrowEnd(arrowEnd);
SetActiveDash(dash);
});
Scripting.addGlobal(function activateEraser(pen: any) { return CurrentUserUtils.SelectedTool = pen ? InkTool.Eraser : InkTool.None; });
Scripting.addGlobal(function activateStamp(pen: any) { return CurrentUserUtils.SelectedTool = pen ? InkTool.Stamp : InkTool.None; });
Scripting.addGlobal(function deactivateInk() { return CurrentUserUtils.SelectedTool = InkTool.None; });
Scripting.addGlobal(function setInkWidth(width: any) { return SetActiveInkWidth(width); });
Scripting.addGlobal(function setInkColor(color: any) { return SetActiveInkColor(color); });
Scripting.addGlobal(function setFillColor(fill: any) { return SetActiveFillColor(fill); });
Scripting.addGlobal(function setActiveArrowStart(arrowStart: any) { return SetActiveArrowStart(arrowStart); });
Scripting.addGlobal(function setActiveArrowEnd(arrowEnd: any) { return SetActiveArrowStart(arrowEnd); });
Scripting.addGlobal(function setActiveDash(dash: any) { return SetActiveDash(dash); });
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