mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-15 18:15:52 +08:00
407 lines
21 KiB
C++
407 lines
21 KiB
C++
/*
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Copyright (c) 2008-2019 Jan W. Krieger (<jan@jkrieger.de>)
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "jkqtcommon/jkqtpdrawingtools.h"
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#include "jkqtcommon/jkqtpenhancedpainter.h"
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#include <QDebug>
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const double JKQTPlotterDrawingTools::ABS_MIN_LINEWIDTH= 0.02;
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QString JKQTPGraphSymbols2String(JKQTPGraphSymbols pos) {
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switch(pos) {
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case JKQTPDot: return "symbol_dot";
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case JKQTPCross: return "symbol_cross";
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case JKQTPPlus: return "symbol_plus";
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case JKQTPCircle: return "symbol_circle";
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case JKQTPFilledCircle: return "symbol_filled_circle";
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case JKQTPRect: return "symbol_rect";
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case JKQTPFilledRect: return "symbol_filled_rect";
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case JKQTPTriangle: return "symbol_triangle";
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case JKQTPFilledTriangle: return "symbol_filled_triangle";
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case JKQTPDownTriangle: return "symbol_down_triangle";
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case JKQTPFilledDownTriangle: return "symbol_filled_down_triangle";
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case JKQTPTarget: return "symbol_target";
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case JKQTPstar: return "symbol_star";
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case JKQTPFilledStar: return "symbol_filled_star";
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case JKQTPDiamond: return "symbol_diamond";
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case JKQTPFilledDiamond: return "symbol_filled_diamond";
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case JKQTPPentagon: return "symbol_pentagon";
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case JKQTPAsterisc: return "symbol_asterisc";
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case JKQTPAsterisc6: return "symbol_asterisc6";
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case JKQTPAsterisc8: return "symbol_asterisc8";
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case JKQTPFilledPentagon: return "symbol_filled_pentagon";
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case JKQTPHexagon: return "symbol_hexagon";
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case JKQTPFilledHexagon: return "symbol_filled_hexagon";
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case JKQTPOctagon: return "symbol_octagon";
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case JKQTPFilledOctagon: return "symbol_filled_octagon";
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case JKQTPRectCross: return "symbol_rect_cross";
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case JKQTPRectPlus: return "symbol_rect_plus";
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case JKQTPNoSymbol: return "none";
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case JKQTPDiamondPlus: return "symbol_diamond_plus";
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case JKQTPDiamondCross: return "symbol_diamond_cross";
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case JKQTPCircleCross: return "symbol_circle_cross";
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case JKQTPCirclePlus: return "symbol_circle_plus";
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case JKQTPUpDownTriangle: return "symbol_updowntriangle";
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case JKQTPFilledUpDownTriangle: return "symbol_filled_updowntriangle";
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case JKQTPSantaClauseHouse: return "symbol_santaclause";
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case JKQTPFilledSantaClauseHouse: return "symbol_filled_santaclause";
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case JKQTPHourglass: return "symbol_hourglass";
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case JKQTPFilledHourglass: return "symbol_filled_hourglass";
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case JKQTPHorizontalHourglass: return "symbol_horizontal_hourglass";
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case JKQTPFilledHorizontalHourglass: return "symbol_filled_horizontal_hourglass";
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case JKQTPRectTriangle: return "symbol_rect_triangle";
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case JKQTPRectDownTriangle: return "symbol_rect_downtriangle";
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case JKQTPRectLeftTriangle: return "symbol_rect_lefttriangle";
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case JKQTPRectRightTriangle: return "symbol_rect_righttriangle";
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case JKQTPLeftTriangle: return "symbol_left_triangle";
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case JKQTPFilledLeftTriangle: return "symbol_filled_left_triangle";
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case JKQTPRightTriangle: return "symbol_right_triangle";
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case JKQTPFilledRightTriangle: return "symbol_filled_right_triangle";
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case JKQTPTripod: return "symbol_tripod";
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case JKQTPDownTripod: return "symbol_down_tripod";
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case JKQTPLeftTripod: return "symbol_left_tripod";
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case JKQTPRightTripod: return "symbol_right_tripod";
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case JKQTPFilledCurvedTriangle: return "symbol_filled_curved_triangle";
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case JKQTPFilledDownCurvedTriangle: return "symbol_filled_down_curved_triangle";
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case JKQTPFilledLeftCurvedTriangle: return "symbol_filled_left_curved_triangle";
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case JKQTPFilledRightCurvedTriangle: return "symbol_filled_right_curved_triangle";
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case JKQTPCurvedTriangle: return "symbol_curved_triangle";
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case JKQTPDownCurvedTriangle: return "symbol_down_curved_triangle";
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case JKQTPLeftCurvedTriangle: return "symbol_left_curved_triangle";
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case JKQTPRightCurvedTriangle: return "symbol_right_curved_triangle";
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case JKQTPPeace: return "symbol_peace";
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case JKQTPFemale: return "symbol_female";
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case JKQTPMale: return "symbol_male";
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case JKQTPCirclePeace: return "symbol_circle_peace";
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case JKQTPSymbolCount: JKQTPGraphSymbols2String(JKQTPMaxSymbolID);
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}
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return "";
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}
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QString JKQTPGraphSymbols2NameString(JKQTPGraphSymbols pos) {
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switch(pos) {
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case JKQTPDot: return QObject::tr("dot");
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case JKQTPCross: return QObject::tr("cross");
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case JKQTPPlus: return QObject::tr("plus");
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case JKQTPCircle: return QObject::tr("circle");
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case JKQTPFilledCircle: return QObject::tr("filled circle");
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case JKQTPRect: return QObject::tr("rectangle");
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case JKQTPFilledRect: return QObject::tr("filled rectangle");
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case JKQTPTriangle: return QObject::tr("triangle");
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case JKQTPFilledTriangle: return QObject::tr("filled triangle");
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case JKQTPDownTriangle: return QObject::tr("down triangle");
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case JKQTPFilledDownTriangle: return QObject::tr("filled down triangle");
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case JKQTPstar: return QObject::tr("star");
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case JKQTPFilledStar: return QObject::tr("filled star");
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case JKQTPDiamond: return QObject::tr("diamond");
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case JKQTPFilledDiamond: return QObject::tr("filled diamond");
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case JKQTPPentagon: return QObject::tr("pentagon");
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case JKQTPFilledPentagon: return QObject::tr("filled pentagon");
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case JKQTPHexagon: return QObject::tr("hexagon");
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case JKQTPFilledHexagon: return QObject::tr("filled hexagon");
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case JKQTPOctagon: return QObject::tr("octagon");
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case JKQTPFilledOctagon: return QObject::tr("filled octagon");
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case JKQTPTarget: return QObject::tr("target");
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case JKQTPAsterisc: return QObject::tr("asterisc, 5-arm");
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case JKQTPAsterisc6: return QObject::tr("asterisc, 6-arm");
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case JKQTPAsterisc8: return QObject::tr("asterisc, 8-arm");
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case JKQTPRectCross: return QObject::tr("square with cross");
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case JKQTPRectPlus: return QObject::tr("square with plus");
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case JKQTPNoSymbol: return QObject::tr("none");
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case JKQTPDiamondPlus: return QObject::tr("diamond with plus");
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case JKQTPDiamondCross: return QObject::tr("diamond with cross");
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case JKQTPCircleCross: return QObject::tr("circled cross");
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case JKQTPCirclePlus: return QObject::tr("circled plus");
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case JKQTPUpDownTriangle: return QObject::tr("up/down triangle");
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case JKQTPFilledUpDownTriangle: return QObject::tr("filled up/down triangle");
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case JKQTPSantaClauseHouse: return QObject::tr("santa clause");
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case JKQTPFilledSantaClauseHouse: return QObject::tr("filled santa clause");
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case JKQTPHourglass: return QObject::tr("hourglass");
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case JKQTPFilledHourglass: return QObject::tr("filled hourglass");
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case JKQTPHorizontalHourglass: return QObject::tr("horizontal hourglass");
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case JKQTPFilledHorizontalHourglass: return QObject::tr("filled horizontal hourglass");
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case JKQTPRectTriangle: return QObject::tr("rectangle with triangle");
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case JKQTPRectDownTriangle: return QObject::tr("rectangle with downwards triangle");
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case JKQTPRectLeftTriangle: return QObject::tr("rectangle with leftwards triangle");
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case JKQTPRectRightTriangle: return QObject::tr("rectangle with rightwards triangle");
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case JKQTPLeftTriangle: return QObject::tr("left triangle");
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case JKQTPFilledLeftTriangle: return QObject::tr("filled left triangle");
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case JKQTPRightTriangle: return QObject::tr("right triangle");
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case JKQTPFilledRightTriangle: return QObject::tr("filled right triangle");
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case JKQTPTripod: return QObject::tr("tripod");
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case JKQTPDownTripod: return QObject::tr("down tripod");
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case JKQTPLeftTripod: return QObject::tr("left tripod");
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case JKQTPRightTripod: return QObject::tr("right tripod");
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case JKQTPFilledCurvedTriangle: return QObject::tr("filled curved triangle");
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case JKQTPFilledDownCurvedTriangle: return QObject::tr("filled down curved triangle");
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case JKQTPFilledLeftCurvedTriangle: return QObject::tr("filled left curved triangle");
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case JKQTPFilledRightCurvedTriangle: return QObject::tr("filled right curved triangle");
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case JKQTPCurvedTriangle: return QObject::tr("curved triangle");
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case JKQTPDownCurvedTriangle: return QObject::tr("down curved triangle");
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case JKQTPLeftCurvedTriangle: return QObject::tr("left curved triangle");
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case JKQTPRightCurvedTriangle: return QObject::tr("right curved triangle");
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case JKQTPPeace: return QObject::tr("peace");
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case JKQTPFemale: return QObject::tr("female");
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case JKQTPMale: return QObject::tr("male");
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case JKQTPCirclePeace: return QObject::tr("circled peace");
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case JKQTPSymbolCount: JKQTPGraphSymbols2NameString(JKQTPMaxSymbolID);
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}
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return "";
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}
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JKQTPGraphSymbols String2JKQTPGraphSymbols(const QString& pos) {
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QString s=pos.trimmed().toLower();
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if (s=="symbol_dot"||s=="dot"||s==".") return JKQTPDot;
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if (s=="symbol_cross"||s=="cross"||s=="x") return JKQTPCross;
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if (s=="symbol_plus"||s=="plus"||s=="+") return JKQTPPlus;
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if (s=="symbol_circle"||s=="circle"||s=="o") return JKQTPCircle;
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if (s=="symbol_filled_circle"||s=="filled_circle"||s=="fo") return JKQTPFilledCircle;
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if (s=="symbol_rect"||s=="rect"||s=="r") return JKQTPRect;
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if (s=="symbol_filled_rect"||s=="filled_rect"||s=="fr") return JKQTPFilledRect;
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if (s=="symbol_triangle"||s=="triangle"||s=="^") return JKQTPTriangle;
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if (s=="symbol_filled_triangle"||s=="filled_triangle"||s=="f^") return JKQTPFilledTriangle;
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if (s=="symbol_down_triangle"||s=="down_triangle"||s=="v") return JKQTPDownTriangle;
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if (s=="symbol_filles_down_triangle"||s=="filles_down_triangle"||s=="symbol_filled_down_triangle"||s=="filled_down_triangle"||s=="fv") return JKQTPFilledDownTriangle;
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if (s=="symbol_target"||s=="target"||s=="t") return JKQTPTarget;
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if (s=="symbol_star"||s=="star"||s=="s") return JKQTPstar;
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if (s=="symbol_filled_star"||s=="filled_star"||s=="fs") return JKQTPFilledStar;
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if (s=="symbol_diamond"||s=="diamond"||s=="d") return JKQTPDiamond;
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if (s=="symbol_filled_diamond"||s=="filled_diamond"||s=="fd") return JKQTPFilledDiamond;
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if (s=="symbol_pentagon"||s=="pentagon"||s=="p") return JKQTPPentagon;
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if (s=="symbol_filled_pentagon"||s=="filled_pentagon"||s=="fp") return JKQTPFilledPentagon;
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if (s=="symbol_hexagon"||s=="hexagon"||s=="h") return JKQTPHexagon;
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if (s=="symbol_filled_hexagon"||s=="filled_hexagon"||s=="fh") return JKQTPFilledHexagon;
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if (s=="symbol_octagon"||s=="octagon"||s=="h") return JKQTPOctagon;
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if (s=="symbol_filled_octagon"||s=="filled_octagon"||s=="fh") return JKQTPFilledOctagon;
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if (s=="symbol_asterisc"||s=="asterisc"||s=="*") return JKQTPAsterisc;
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if (s=="symbol_asterisc6"||s=="asterisc6"||s=="*6") return JKQTPAsterisc6;
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if (s=="symbol_asterisc8"||s=="asterisc8"||s=="*8") return JKQTPAsterisc8;
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if (s=="symbol_rect_cross"||s=="rect_cross"||s=="rx") return JKQTPRectCross;
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if (s=="symbol_rect_plus"||s=="rect_plus"||s=="r+") return JKQTPRectPlus;
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if (s=="symbol_diamond_plus" || s=="diamond_plus") return JKQTPDiamondPlus;
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if (s=="symbol_diamond_cross" || s=="diamond_cross") return JKQTPDiamondCross;
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if (s=="symbol_circle_cross" || s=="circle_cross") return JKQTPCircleCross;
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if (s=="symbol_circle_plus" || s=="circle_plus") return JKQTPCirclePlus;
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if (s=="symbol_updowntriangle" || s=="updowntriangle") return JKQTPUpDownTriangle;
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if (s=="symbol_filled_updowntriangle" || s=="filled_updowntriangle") return JKQTPFilledUpDownTriangle;
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if (s=="symbol_santaclause" || s=="santaclause") return JKQTPSantaClauseHouse;
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if (s=="symbol_filled_santaclause" || s=="filled_santaclause") return JKQTPFilledSantaClauseHouse;
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if (s=="symbol_hourglass" || s=="hourglass") return JKQTPHourglass;
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if (s=="symbol_filled_hourglass" || s=="filled_hourglass") return JKQTPFilledHourglass;
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if (s=="symbol_horizontal_hourglass" || s=="horizontal_hourglass") return JKQTPHorizontalHourglass;
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if (s=="symbol_filled_horizontal_hourglass" || s=="filled_horizontal_hourglass") return JKQTPFilledHorizontalHourglass;
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if (s=="symbol_rect_triangle" || s=="rect_triangle") return JKQTPRectTriangle;
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if (s=="symbol_rect_downtriangle" || s=="rect_downtriangle") return JKQTPRectDownTriangle;
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if (s=="symbol_rect_lefttriangle" || s=="rect_lefttriangle") return JKQTPRectLeftTriangle;
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if (s=="symbol_rect_righttriangle" || s=="rect_righttriangle") return JKQTPRectRightTriangle;
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if (s=="symbol_left_triangle" || s=="left_triangle") return JKQTPLeftTriangle;
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if (s=="symbol_filled_left_triangle" || s=="filled_left_triangle") return JKQTPFilledLeftTriangle;
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if (s=="symbol_right_triangle" || s=="right_triangle") return JKQTPRightTriangle;
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if (s=="symbol_filled_right_triangle" || s=="filled_right_triangle") return JKQTPFilledRightTriangle;
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if (s=="symbol_tripod" || s=="tripod") return JKQTPTripod;
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if (s=="symbol_down_tripod" || s=="down_tripod") return JKQTPDownTripod;
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if (s=="symbol_left_tripod" || s=="left_tripod") return JKQTPLeftTripod;
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if (s=="symbol_right_tripod" || s=="right_tripod") return JKQTPRightTripod;
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if (s=="symbol_filled_curved_triangle" || s=="filled_curved_triangle") return JKQTPFilledCurvedTriangle;
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if (s=="symbol_filled_down_curved_triangle" || s=="filled_down_curved_triangle") return JKQTPFilledDownCurvedTriangle;
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if (s=="symbol_filled_left_curved_triangle" || s=="filled_left_curved_triangle") return JKQTPFilledLeftCurvedTriangle;
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if (s=="symbol_filled_right_curved_triangle" || s=="filled_right_curved_triangle") return JKQTPFilledRightCurvedTriangle;
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if (s=="symbol_curved_triangle" || s=="curved_triangle") return JKQTPCurvedTriangle;
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if (s=="symbol_down_curved_triangle" || s=="down_curved_triangle") return JKQTPDownCurvedTriangle;
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if (s=="symbol_left_curved_triangle" || s=="left_curved_triangle") return JKQTPLeftCurvedTriangle;
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if (s=="symbol_right_curved_triangle" || s=="right_curved_triangle") return JKQTPRightCurvedTriangle;
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if (s=="symbol_peace" || s=="peace") return JKQTPPeace;
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if (s=="symbol_circle_peace" || s=="circle_peace") return JKQTPCirclePeace;
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if (s=="symbol_female" || s=="female") return JKQTPFemale;
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if (s=="symbol_male" || s=="male") return JKQTPMale;
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return JKQTPNoSymbol;
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}
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QPolygonF jkqtpRotateRect(QRectF r, double angle) {
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QPolygonF p;
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QMatrix m;
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m.rotate(angle);
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p.append(m.map(r.bottomLeft()));
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p.append(m.map(r.bottomRight()));
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p.append(m.map(r.topRight()));
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p.append(m.map(r.topLeft()));
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return p;
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}
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;
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QVector<QPointF> JKQTPDrawEllipse(double x, double y, double a, double b, double angle_start, double angle_end, double alpha, int controlPoints, QPointF* x_start, QPointF* x_end) {
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QVector<QPointF> result;
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double start=angle_start*JKQTPSTATISTICS_PI/180.0;
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double stop=angle_end*JKQTPSTATISTICS_PI/180.0;
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double step=(stop-start)/static_cast<double>(controlPoints);
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while (fabs(stop-start)/step<10) step=step/2.0;
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double sina=sin(1.0*alpha/180.0*JKQTPSTATISTICS_PI);
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double cosa=cos(1.0*alpha/180.0*JKQTPSTATISTICS_PI);
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QPointF xp(x+a*cos(start)*cosa-b*sin(start)*sina, y+a*cos(start)*sina+b*sin(start)*cosa);
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result.append(xp);
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if (x_start) *x_start = xp;
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double t=start+step;
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for (int i=1; i<controlPoints; i++) {
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double cost=cos(t);
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double sint=sin(t);
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xp=QPointF( x+a*cost*cosa-b*sint*sina, y+a*cost*sina+b*sint*cosa);
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result.append(xp);
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//std::cout<<"t="<<t/JKQTPSTATISTICS_PI*180.0<<": sin(al)="<<sina<<" cos(al)="<<cosa<<" sin(t)="<<sint<<" cos(t)="<<cost<<" a="<<a<<" b="<<b<<": ("<<x+a*cost*cosa-b*sint*sina<<", "<<y+a*cost*sina+b*sint*cosa<<") = ("<<xp.x()<<", "<<xp.y()<<") \n";
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t=t+step;
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}
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if (x_end) *x_end=xp;
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return result;
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}
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QVector<QPolygonF> JKQTPUnifyLinesToPolygons(const QVector<QLineF> &lines, double distanceThreshold, int searchMaxSurroundingElements)
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{
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#ifdef JKQTBP_AUTOTIMER
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JKQTPAutoOutputTimer jkaat(QString("JKQTPUnifyLinesToPolygons(%1, %2, %3)").arg(lines.size()).arg(distanceThreshold).arg(searchMaxSurroundingElements));
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#endif
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QList<QPolygonF> res;
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res.reserve(lines.size());
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// first simply convert all lines to polygons
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for (const QLineF& l: lines) {
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QPolygonF p;
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p<<l.p1()<<l.p2();
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res<<p;
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}
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//return res.toVector();
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// clean the resulting polygon
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for (QPolygonF& p: res) {
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p=JKQTPCleanPolygon(p, distanceThreshold);
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}
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int maxIterations=100;
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int iter=0;
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bool found=true;
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//qDebug()<<" iter "<<-1<<" -> polygons start "<<res.size();
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while (found && iter<maxIterations) {
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found=false;
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int i=0;
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while (i<res.size()-1) {
|
|
int j=i+1;
|
|
while (j<res.size() && j<i+searchMaxSurroundingElements) {
|
|
if (jkqtp_distance(res[i].first(),res[j].first())<=distanceThreshold) {
|
|
found=true;
|
|
for (int k=1; k<res[j].size(); k++) {
|
|
res[i].prepend(res[j].at(k));
|
|
}
|
|
res.removeAt(j);
|
|
} else if (jkqtp_distance(res[i].first(),res[j].last())<=distanceThreshold) {
|
|
found=true;
|
|
for (int k=res[j].size()-2; k>=0; k--) {
|
|
res[i].prepend(res[j].at(k));
|
|
}
|
|
res.removeAt(j);
|
|
} else if (jkqtp_distance(res[i].last(),res[j].first())<=distanceThreshold) {
|
|
found=true;
|
|
for (int k=1; k<res[j].size(); k++) {
|
|
res[i].append(res[j].at(k));
|
|
}
|
|
res.removeAt(j);
|
|
} else if (jkqtp_distance(res[i].last(),res[j].last())<=distanceThreshold) {
|
|
found=true;
|
|
for (int k=res[j].size()-2; k>=0; k--) {
|
|
res[i].append(res[j].at(k));
|
|
}
|
|
res.removeAt(j);
|
|
} else {
|
|
j++;
|
|
}
|
|
}
|
|
res[i]=JKQTPCleanPolygon(res[i], distanceThreshold);
|
|
i++;
|
|
}
|
|
//qDebug()<<" iter "<<iter<<" -> polygons left "<<res.size();
|
|
iter++;
|
|
}
|
|
|
|
return res.toVector();
|
|
}
|
|
|
|
QPolygonF JKQTPCleanPolygon(const QPolygonF &poly, double distanceThreshold)
|
|
{
|
|
if (poly.size()<=2) return poly;
|
|
QPolygonF p;
|
|
QPointF p0=poly[0];
|
|
p<<p0;
|
|
QVector<QPointF> inbetween;
|
|
int i=1;
|
|
while (i<poly.size()) {
|
|
if ((jkqtp_distance(poly[i], p0)<=distanceThreshold)) {
|
|
inbetween<<poly[i];
|
|
} else {
|
|
QPointF pmean(0,0);
|
|
if (inbetween.size()>0) {
|
|
for (const QPointF& pi: inbetween) {
|
|
pmean=QPointF(pmean.x()+pi.x()/static_cast<double>(inbetween.size()), pmean.y()+pi.y()/static_cast<double>(inbetween.size()));
|
|
}
|
|
} else {
|
|
pmean=poly[i];
|
|
}
|
|
p<<pmean;
|
|
p0=pmean;
|
|
inbetween.clear();
|
|
}
|
|
i++;
|
|
}
|
|
|
|
// maybe we have something left to add
|
|
QPointF pmean(0,0);
|
|
if (inbetween.size()>0) {
|
|
for (const QPointF& pi: inbetween) {
|
|
pmean=QPointF(pmean.x()+pi.x()/static_cast<double>(inbetween.size()), pmean.y()+pi.y()/static_cast<double>(inbetween.size()));
|
|
}
|
|
} else {
|
|
pmean=p0;
|
|
}
|
|
|
|
if (jkqtp_distance(pmean, poly.last())>distanceThreshold) {
|
|
p<<pmean<<poly.last();
|
|
} else {
|
|
if (p.last()!=poly.last()) p<<poly.last();
|
|
}
|
|
return p;
|
|
}
|
|
|
|
void JKQTPPlotSymbol(QPaintDevice &paintDevice, double x, double y, JKQTPGraphSymbols symbol, double size, double symbolLineWidth, QColor color, QColor fillColor) {
|
|
JKQTPEnhancedPainter p(&paintDevice);
|
|
JKQTPPlotSymbol(p, x, y, symbol, size, symbolLineWidth, color, fillColor);
|
|
}
|