scichart
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Fast WebGL JavaScript Charting Library and Framework
170 lines (169 loc) • 9.77 kB
JavaScript
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.PointMarkerDrawingProvider = void 0;
var Deleter_1 = require("../../../../Core/Deleter");
var BaseSeriesDrawingProvider_1 = require("./BaseSeriesDrawingProvider");
/**
* Used internally - a drawing provider performs drawing for a {@link IRenderableSeries | Renderable Series} which draw a
* point-marker using our WebAssembly WebGL rendering engine
*/
var PointMarkerDrawingProvider = /** @class */ (function (_super) {
__extends(PointMarkerDrawingProvider, _super);
/**
* Creates an instance of the {@link PointMarkerDrawingProvider}
* @param webAssemblyContext The {@link TSciChart | SciChart 2D WebAssembly Context} containing native methods and
* access to our WebGL2 Engine and WebAssembly numerical methods
* @param parentSeries the parent {@link IRenderableSeries} which this drawing provider is attached to
* @param ySelector an optional Y-selector for choosing which y-values to use for drawing points
* @param ySplineSelector an optional selector for choosing which y-animation values to use for drawing points
*/
function PointMarkerDrawingProvider(webAssemblyContext, parentSeries, ySelector, ySplineSelector, xSelector) {
var _this = _super.call(this, webAssemblyContext, parentSeries, ySelector, xSelector) || this;
_this.ySplineValuesSelector = ySplineSelector === undefined ? function (rs) { return rs.ySplineValues; } : ySplineSelector;
_this.nativeDrawingProvider = new _this.webAssemblyContext.SCRTScatterSeriesDrawingProvider();
_this.xAnimationPointMarkerValues = new _this.webAssemblyContext.SCRTDoubleVector();
_this.yAnimationPointMarkerValues = new _this.webAssemblyContext.SCRTDoubleVector();
_this.args = new _this.webAssemblyContext.SCRTPointDrawingParams();
return _this;
}
/**
* @inheritDoc
*/
PointMarkerDrawingProvider.prototype.onSeriesPropertyChange = function (propertyName) {
// Deliberately empty
};
PointMarkerDrawingProvider.prototype.getProperties = function (parentSeries) {
return parentSeries;
};
/**
* @inheritDoc
*/
PointMarkerDrawingProvider.prototype.draw = function (renderContext, renderPassData) {
var _a, _b;
var pointMarker = (_a = this.getProperties(this.parentSeries)) === null || _a === void 0 ? void 0 : _a.pointMarker;
if (pointMarker === undefined) {
return;
}
var spriteTexture, strokeMaskTexture;
if (this.parentSeries.hasPointMarkerPaletteProvider()) {
spriteTexture = pointMarker.getFillMask();
strokeMaskTexture = pointMarker.getStrokeMask();
}
else {
spriteTexture = pointMarker.getSprite();
strokeMaskTexture = undefined;
// DEBUG CODE: REMOVE AFTER DEVELOPMENT COMPLETE
// renderContext.getNativeContext().DrawTexture(spriteTexture.getTexture(), 10, 10, 256, 256);
// END DEBUG CODE
}
var pointSeries = renderPassData.pointSeries;
var isCategoryAxis = renderPassData.xCoordinateCalculator.isCategoryCoordinateCalculator;
var xValues = this.xSelector(pointSeries);
var yValues = this.ySelector(pointSeries);
// if (this.parentSeries.isSpline) {
// const spline = this.parentSeries as any as ISpline;
// if (spline.xSplineValues.size() > 0 && spline.ySplineValues.size() > 0) {
// this.pointMarkerXYValuesFromSpline(
// xValues.size(),
// spline.xSplineValues,
// this.ySplineValuesSelector(spline),
// spline.interpolationPoints
// );
// xValues = this.xAnimationPointMarkerValues;
// yValues = this.yAnimationPointMarkerValues;
// }
// }
this.args.Reset();
this.args.verticalChart = renderPassData.isVerticalChart;
this.args.forceShaderMethod = true;
this.args.SetSpriteTexture(spriteTexture.getTexture());
if (strokeMaskTexture) {
this.args.SetStrokeMask(strokeMaskTexture.getTexture());
}
var _c = this.parentSeries.dataSeries, fifoCapacity = _c.fifoCapacity, fifoSweeping = _c.fifoSweeping, fifoSweepingGap = _c.fifoSweepingGap;
var fifoStartIndex = pointSeries.fifoStartIndex;
if (pointMarker.lastPointOnly && yValues.size() > 0) {
this.args.count = 1;
this.args.startIndex =
fifoSweeping && this.parentSeries.dataSeries.count() === fifoCapacity
? fifoStartIndex - 1
: yValues.size() - 1;
}
else {
var _d = this.getStartAndCount(renderPassData, xValues), startIndex = _d.startIndex, count = _d.count;
this.args.count = count;
this.args.startIndex = startIndex;
if (fifoSweeping && fifoCapacity === this.parentSeries.dataSeries.count()) {
this.args.count = fifoStartIndex;
}
}
// Paletting per point
this.applyStrokeFillPaletting(pointMarker.stroke, undefined, pointMarker.fill, undefined, this.parentSeries.opacity);
this.args.SetPalettedColors(this.palettingState.palettedColors);
this.args.paletteStart = (_b = this.palettingState.paletteStartIndex) !== null && _b !== void 0 ? _b : 0;
var nativeContext = renderContext.getNativeContext();
this.drawPoints(nativeContext, isCategoryAxis ? pointSeries.indexes : xValues, yValues, renderPassData.xCoordinateCalculator.nativeCalculator, renderPassData.yCoordinateCalculator.nativeCalculator, this.args, this.parentSeries.parentSurface.seriesViewRect);
if (fifoSweeping && fifoCapacity === this.parentSeries.dataSeries.count() && !pointMarker.lastPointOnly) {
this.args.startIndex = Math.min(yValues.size(), fifoStartIndex + fifoSweepingGap);
this.args.count = Math.max(0, yValues.size() - fifoStartIndex - fifoSweepingGap);
if (this.args.count > 0) {
this.drawPoints(nativeContext, isCategoryAxis ? pointSeries.indexes : xValues, yValues, renderPassData.xCoordinateCalculator.nativeCalculator, renderPassData.yCoordinateCalculator.nativeCalculator, this.args, this.parentSeries.parentSurface.seriesViewRect);
}
}
};
/**
* @inheritDoc
*/
PointMarkerDrawingProvider.prototype.delete = function () {
this.nativeDrawingProvider = (0, Deleter_1.deleteSafe)(this.nativeDrawingProvider);
this.xAnimationPointMarkerValues = (0, Deleter_1.deleteSafe)(this.xAnimationPointMarkerValues);
this.yAnimationPointMarkerValues = (0, Deleter_1.deleteSafe)(this.yAnimationPointMarkerValues);
this.args = (0, Deleter_1.deleteSafe)(this.args);
_super.prototype.delete.call(this);
};
PointMarkerDrawingProvider.prototype.overridePaletteProviderColors = function (rs, xValue, yValue, index, opacity, metadata) {
if (rs.hasPointMarkerPaletteProvider()) {
var pointMarkerPaletteProvider = rs.paletteProvider;
var colors = pointMarkerPaletteProvider.overridePointMarkerArgb(xValue, yValue, index, opacity, metadata);
if (colors)
return colors;
}
return { stroke: undefined, fill: undefined };
};
PointMarkerDrawingProvider.prototype.isGradientFillPaletting = function (rs) {
return false;
};
PointMarkerDrawingProvider.prototype.drawPoints = function (nativeContext, xValues, yValues, xCoordCalc, yCoordCalc, args, viewRect) {
this.nativeDrawingProvider.DrawPointsVec(nativeContext, xValues, yValues, xCoordCalc, yCoordCalc, args);
};
PointMarkerDrawingProvider.prototype.pointMarkerXYValuesFromSpline = function (size, xAnimationValues, yAnimationValues, interpolationPoints) {
this.xAnimationPointMarkerValues.resize(size, 0);
this.yAnimationPointMarkerValues.resize(size, 0);
for (var i = 0; i < size - 1; i++) {
var x = xAnimationValues.get((interpolationPoints + 1) * i);
this.xAnimationPointMarkerValues.set(i, x);
var y = yAnimationValues.get((interpolationPoints + 1) * i);
this.yAnimationPointMarkerValues.set(i, y);
}
var lastIndex = yAnimationValues.size() - 1;
this.xAnimationPointMarkerValues.set(size - 1, xAnimationValues.get(lastIndex));
this.yAnimationPointMarkerValues.set(size - 1, yAnimationValues.get(lastIndex));
};
return PointMarkerDrawingProvider;
}(BaseSeriesDrawingProvider_1.BaseSeriesDrawingProvider));
exports.PointMarkerDrawingProvider = PointMarkerDrawingProvider;