@mlightcad/graphic-interface/lib/AcGiViewport.js

The graphic-interface package provides the graphics interface for controlling how AutoCAD entities are displayed on screen. This package offers a simplified API compared to AutoCAD ObjectARX's AcGi classes, making it more developer-friendly while maintain

import { AcGeBox2d, AcGePoint3d } from '@mlightcad/geometry-engine';
/**
 * This class ised used to pass back information to the user about the viewing characteristics of the
 * current viewport.
 */
var AcGiViewport = /** @class */ (function () {
    function AcGiViewport() {
        this._number = -1;
        this._id = '';
        this._groupId = '';
        this._centerPoint = new AcGePoint3d();
        this._height = 0;
        this._width = 0;
        this._viewCenter = new AcGePoint3d();
        this._viewHeight = 0;
    }
    Object.defineProperty(AcGiViewport.prototype, "number", {
        /**
         * The viewport ID number. If the viewport is inactive, -1 is returned.
         */
        get: function () {
            return this._number;
        },
        set: function (value) {
            this._number = value;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "id", {
        /**
         * The id of the viewport.
         */
        get: function () {
            return this._id;
        },
        set: function (value) {
            this._id = value;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "groupId", {
        /**
         * The id of the group which this viewport belongs to.
         */
        get: function () {
            return this._groupId;
        },
        set: function (value) {
            this._groupId = value;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "centerPoint", {
        /**
         * The center point of the viewport entity in WCS coordinates (within Paper Space).
         */
        get: function () {
            return this._centerPoint;
        },
        set: function (value) {
            this._centerPoint.copy(value);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "height", {
        /**
         * The height of the viewport entity's window in drawing units.
         */
        get: function () {
            return this._height;
        },
        set: function (value) {
            this._height = value;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "width", {
        /**
         * The width of the viewport entity's window in drawing units. This is the width in Paper Space
         * of the viewport itself, not the width of the Model Space view within the viewport.
         */
        get: function () {
            return this._width;
        },
        set: function (value) {
            this._width = value;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "box", {
        /**
         * The bounding box (in world coordinate system coordinates) of the viewport.
         */
        get: function () {
            var box = new AcGeBox2d();
            box.setFromCenterAndSize(this.centerPoint, {
                x: this.width,
                y: this.height
            });
            return box;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "viewCenter", {
        /**
         * The view center (in display coordinate system coordinates) of the view in the viewport.
         */
        get: function () {
            return this._viewCenter;
        },
        set: function (value) {
            this._viewCenter.copy(value);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "viewHeight", {
        /**
         * The height (in display coordinate system coordinates) of the Model Space view within the viewport.
         * Zooming the view out within the viewport increases this value and zooming in decreases this value.
         */
        get: function () {
            return this._viewHeight;
        },
        set: function (value) {
            this._viewHeight = value;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "viewWidth", {
        /**
         * The width (in display coordinate system coordinates) of the Model Space view within the viewport.
         * This is one computed property based on 'viewHeight' and viewport ratio of width and height.
         */
        get: function () {
            return this.viewHeight * (this.width / this.height);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(AcGiViewport.prototype, "viewBox", {
        /**
         * The bounding box (in display coordinate system coordinates) of the Model Space view within the viewport.
         */
        get: function () {
            var box = new AcGeBox2d();
            box.setFromCenterAndSize(this.viewCenter, {
                x: this.viewWidth,
                y: this.viewHeight
            });
            return box;
        },
        enumerable: false,
        configurable: true
    });
    /**
     * Clone this viewport
     * @returns Return the cloned instance of this viewport
     */
    AcGiViewport.prototype.clone = function () {
        var viewport = new AcGiViewport();
        viewport.id = this.id;
        viewport.groupId = this.groupId;
        viewport.number = this.number;
        viewport.centerPoint.copy(this.centerPoint);
        viewport.height = this.height;
        viewport.width = this.width;
        viewport.viewCenter.copy(this.viewCenter);
        viewport.viewHeight = this.viewHeight;
        return viewport;
    };
    /**
     * Copy the property values of the passed viewport to this viewport.
     * @param viewport Input one viewport instance
     * @returns Return this viewport
     */
    AcGiViewport.prototype.copy = function (viewport) {
        this.id = viewport.id;
        this.groupId = viewport.groupId;
        this.number = viewport.number;
        this.centerPoint.copy(viewport.centerPoint);
        this.height = viewport.height;
        this.width = viewport.width;
        this.viewCenter.copy(viewport.viewCenter);
        this.viewHeight = viewport.viewHeight;
        return this;
    };
    return AcGiViewport;
}());
export { AcGiViewport };
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