326 lines
12 KiB
JavaScript
326 lines
12 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2014
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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var K = 1 / 4;
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var mt = 0,
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lt = 1,
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cb = 2,
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cl = 3;
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function SplineCommandMoveTo(x, y) {
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this.id = 0;
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this.x = x;
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this.y = y;
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}
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function SplineCommandLineTo(x, y) {
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this.id = 1;
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this.x = x;
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this.y = y;
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this.changeLastPoint = function (x, y) {
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this.x = x;
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this.y = y;
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};
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}
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function SplineCommandBezier(x1, y1, x2, y2, x3, y3) {
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this.id = 2;
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this.x1 = x1;
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this.y1 = y1;
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this.x2 = x2;
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this.y2 = y2;
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this.x3 = x3;
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this.y3 = y3;
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this.changeLastPoint = function (x, y) {
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this.x3 = x;
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this.y3 = y;
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this.x2 = this.x1 + (this.x3 - this.x1) * 0.5;
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this.y2 = this.y1 + (this.y3 - this.y1) * 0.5;
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};
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}
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function Spline(drawingObjects) {
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this.path = [];
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this.drawingObjects = drawingObjects;
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this.Matrix = new CMatrix();
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this.TransformMatrix = new CMatrix();
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this.style = CreateDefaultShapeStyle();
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var _calculated_line;
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var _theme = drawingObjects.getWorkbook().theme;
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var colorMap = GenerateDefaultColorMap().color_map;
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var RGBA = {
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R: 0,
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G: 0,
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B: 0,
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A: 255
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};
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if (isRealObject(_theme) && typeof _theme.getLnStyle === "function" && isRealObject(this.style) && isRealObject(this.style.lnRef) && isRealNumber(this.style.lnRef.idx) && isRealObject(this.style.lnRef.Color) && typeof this.style.lnRef.Color.Calculate === "function") {
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_calculated_line = _theme.getLnStyle(this.style.lnRef.idx);
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this.style.lnRef.Color.Calculate(_theme, colorMap, {
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R: 0,
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G: 0,
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B: 0,
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A: 255
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});
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RGBA = this.style.lnRef.Color.RGBA;
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} else {
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_calculated_line = new CLn();
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}
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if (isRealObject(_calculated_line.Fill)) {
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_calculated_line.Fill.calculate(_theme, colorMap, RGBA);
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}
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this.pen = _calculated_line;
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this.splineForDraw = new SplineForDrawer(this);
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this.Draw = function (graphics) {
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graphics.SetIntegerGrid(false);
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graphics.transform3(this.Matrix);
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var shape_drawer = new CShapeDrawer();
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shape_drawer.fromShape(this, graphics);
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shape_drawer.draw(this);
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};
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this.draw = function (g) {
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this.splineForDraw.Draw(g);
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return;
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for (var i = 0; i < this.path.length; ++i) {
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var lastX, lastY;
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switch (this.path[i].id) {
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case 0:
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g._m(this.path[i].x, this.path[i].y);
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lastX = this.path[i].x;
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lastY = this.path[i].y;
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break;
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case 1:
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g._l(this.path[i].x, this.path[i].y);
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lastX = this.path[i].x;
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lastY = this.path[i].y;
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break;
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case 2:
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g._c(this.path[i].x1, this.path[i].y1, this.path[i].x2, this.path[i].y2, this.path[i].x3, this.path[i].y3);
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lastX = this.path[i].x3;
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lastY = this.path[i].y3;
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break;
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}
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}
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g.ds();
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};
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this.getLeftTopPoint = function () {
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if (this.path.length < 1) {
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return {
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x: 0,
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y: 0
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};
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}
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var min_x = this.path[0].x;
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var max_x = min_x;
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var min_y = this.path[0].y;
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var max_y = min_y;
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var last_x = this.path[0].x,
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last_y = this.path[0].y;
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for (var index = 1; index < this.path.length; ++index) {
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var path_command = this.path[index];
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if (path_command.id === 1) {
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if (min_x > path_command.x) {
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min_x = path_command.x;
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}
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if (max_x < path_command.x) {
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max_x = path_command.x;
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}
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if (min_y > path_command.y) {
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min_y = path_command.y;
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}
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if (max_y < path_command.y) {
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max_y = path_command.y;
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}
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} else {
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var bezier_polygon = partition_bezier4(last_x, last_y, path_command.x1, path_command.y1, path_command.x2, path_command.y2, path_command.x3, path_command.y3, APPROXIMATE_EPSILON);
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for (var point_index = 1; point_index < bezier_polygon.length; ++point_index) {
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var cur_point = bezier_polygon[point_index];
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if (min_x > cur_point.x) {
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min_x = cur_point.x;
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}
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if (max_x < cur_point.x) {
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max_x = cur_point.x;
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}
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if (min_y > cur_point.y) {
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min_y = cur_point.y;
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}
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if (max_y < cur_point.y) {
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max_y = cur_point.y;
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}
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}
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}
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}
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return {
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x: min_x,
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y: min_y
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};
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};
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this.createShape = function (drawingObjects) {
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var xMax = this.path[0].x,
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yMax = this.path[0].y,
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xMin = xMax,
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yMin = yMax;
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var i;
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var bClosed = false;
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if (this.path.length > 2) {
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var dx = this.path[0].x - this.path[this.path.length - 1].x3;
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var dy = this.path[0].y - this.path[this.path.length - 1].y3;
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if (Math.sqrt(dx * dx + dy * dy) < 3) {
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bClosed = true;
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this.path[this.path.length - 1].x3 = this.path[0].x;
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this.path[this.path.length - 1].y3 = this.path[0].y;
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if (this.path.length > 3) {
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var vx = (this.path[1].x3 - this.path[this.path.length - 2].x3) / 6;
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var vy = (this.path[1].y3 - this.path[this.path.length - 2].y3) / 6;
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} else {
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vx = -(this.path[1].y3 - this.path[0].y) / 6;
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vy = (this.path[1].x3 - this.path[0].x) / 6;
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}
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this.path[1].x1 = this.path[0].x + vx;
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this.path[1].y1 = this.path[0].y + vy;
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this.path[this.path.length - 1].x2 = this.path[0].x - vx;
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this.path[this.path.length - 1].y2 = this.path[0].y - vy;
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}
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}
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var min_x = this.path[0].x;
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var max_x = min_x;
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var min_y = this.path[0].y;
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var max_y = min_y;
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var last_x = this.path[0].x,
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last_y = this.path[0].y;
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for (var index = 1; index < this.path.length; ++index) {
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var path_command = this.path[index];
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if (path_command.id === 1) {
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if (min_x > path_command.x) {
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min_x = path_command.x;
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}
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if (max_x < path_command.x) {
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max_x = path_command.x;
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}
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if (min_y > path_command.y) {
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min_y = path_command.y;
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}
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if (max_y < path_command.y) {
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max_y = path_command.y;
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}
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last_x = path_command.x;
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last_y = path_command.y;
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} else {
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var bezier_polygon = partition_bezier4(last_x, last_y, path_command.x1, path_command.y1, path_command.x2, path_command.y2, path_command.x3, path_command.y3, APPROXIMATE_EPSILON);
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for (var point_index = 1; point_index < bezier_polygon.length; ++point_index) {
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var cur_point = bezier_polygon[point_index];
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if (min_x > cur_point.x) {
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min_x = cur_point.x;
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}
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if (max_x < cur_point.x) {
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max_x = cur_point.x;
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}
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if (min_y > cur_point.y) {
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min_y = cur_point.y;
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}
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if (max_y < cur_point.y) {
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max_y = cur_point.y;
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}
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last_x = path_command.x3;
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last_y = path_command.y3;
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}
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}
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}
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xMin = min_x;
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xMax = max_x;
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yMin = min_y;
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yMax = max_y;
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var shape = new CShape(null, this.drawingObjects);
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shape.setPosition(xMin, yMin);
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shape.setExtents(xMax - xMin, yMax - yMin);
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shape.setStyle(CreateDefaultShapeStyle());
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var geometry = new CGeometry();
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geometry.AddPathCommand(0, undefined, bClosed ? "norm" : "none", undefined, xMax - xMin, yMax - yMin);
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geometry.AddRect("l", "t", "r", "b");
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for (i = 0; i < this.path.length; ++i) {
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switch (this.path[i].id) {
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case 0:
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geometry.AddPathCommand(1, (this.path[i].x - xMin) + "", (this.path[i].y - yMin) + "");
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break;
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case 1:
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geometry.AddPathCommand(2, (this.path[i].x - xMin) + "", (this.path[i].y - yMin) + "");
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break;
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case 2:
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geometry.AddPathCommand(5, (this.path[i].x1 - xMin) + "", (this.path[i].y1 - yMin) + "", (this.path[i].x2 - xMin) + "", (this.path[i].y2 - yMin) + "", (this.path[i].x3 - xMin) + "", (this.path[i].y3 - yMin) + "");
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break;
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}
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}
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if (bClosed) {
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geometry.AddPathCommand(6);
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}
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geometry.Init(xMax - xMin, yMax - yMin);
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shape.spPr.geometry = geometry;
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shape.recalculate();
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this.drawingObjects.addGraphicObject(shape);
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};
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this.addPathCommand = function (pathCommand) {
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this.path.push(pathCommand);
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};
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}
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function SplineForDrawer(spline) {
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this.spline = spline;
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this.pen = spline.pen;
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this.brush = spline.brush;
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this.TransformMatrix = spline.TransformMatrix;
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this.Matrix = spline.Matrix;
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this.Draw = function (graphics) {
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graphics.SetIntegerGrid(false);
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graphics.transform3(this.Matrix);
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var shape_drawer = new CShapeDrawer();
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shape_drawer.fromShape(this, graphics);
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shape_drawer.draw(this);
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};
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this.draw = function (g) {
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g._e();
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for (var i = 0; i < this.spline.path.length; ++i) {
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var lastX, lastY;
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switch (this.spline.path[i].id) {
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case 0:
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g._m(this.spline.path[i].x, this.spline.path[i].y);
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lastX = this.spline.path[i].x;
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lastY = this.spline.path[i].y;
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break;
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case 1:
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g._l(this.spline.path[i].x, this.spline.path[i].y);
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lastX = this.spline.path[i].x;
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lastY = this.spline.path[i].y;
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break;
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case 2:
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g._c(this.spline.path[i].x1, this.spline.path[i].y1, this.spline.path[i].x2, this.spline.path[i].y2, this.spline.path[i].x3, this.spline.path[i].y3);
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lastX = this.spline.path[i].x3;
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lastY = this.spline.path[i].y3;
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break;
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}
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}
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g.ds();
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};
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} |