0019739095
"Professional CMake" book suggest the following: "Targets should build successfully with or without compiler support for precompiled headers. It should be considered an optimization, not a requirement. In particular, do not explicitly include a precompile header (e.g. stdafx.h) in the source code, let CMake force-include an automatically generated precompile header on the compiler command line instead. This is more portable across the major compilers and is likely to be easier to maintain. It will also avoid warnings being generated from certain code checking tools like iwyu (include what you use)." Therefore, removed the "#include <PreCompiled.h>" from sources, also there is no need for the "#ifdef _PreComp_" anymore
227 lines
8.0 KiB
C++
227 lines
8.0 KiB
C++
/***************************************************************************
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* Copyright (c) 2023 WandererFan <wandererfan@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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# include <cmath>
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# include <QPainter>
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# include <QPainterPath>
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# include <QPointF>
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# include <QRectF>
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# include <QTransform>
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#include <QByteArrayMatcher>
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#include <Base/Console.h>
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#include <Base/Parameter.h>
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#include <Mod/TechDraw/App/DrawUtil.h>
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#include <Mod/TechDraw/App/Preferences.h>
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#include "Rez.h"
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#include "PATPathMaker.h"
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using namespace TechDrawGui;
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using namespace TechDraw;
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PATPathMaker::PATPathMaker(QGraphicsItem* parent, double lineWidth, double fillScale) :
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m_parent(parent),
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m_pen(),
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m_fillScale(fillScale),
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m_lineWidth(lineWidth)
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{
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m_maxSeg = Preferences::getPreferenceGroup("PAT")->GetInt("MaxSeg", 10000l);
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}
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/// convert the PAT line set to QGraphicsPathItems
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void PATPathMaker::lineSetToFillItems(LineSet& ls)
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{
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m_segCount = 0;
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QPen pen = getPen();
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for (auto& geom : ls.getGeoms()) {
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//geom is a tdGeometry representation of 1 line in the pattern //not dashed
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QGraphicsPathItem* fillItem = simpleLine(geom);
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fillItem->setPen(pen);
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m_fillItems.push_back(fillItem);
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if (m_segCount > m_maxSeg) {
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Base::Console().warning("PAT segment count exceeded: %ld\n", m_segCount);
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break;
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}
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}
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}
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/// create a PAT fill line from 2 points and a dash configuration
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QGraphicsPathItem* PATPathMaker::lineFromPoints(Base::Vector3d start, Base::Vector3d end, DashSpec ds)
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{
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QGraphicsPathItem* fillItem = new QGraphicsPathItem(m_parent);
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fillItem->setPath(dashedPPath(decodeDashSpec(ds),
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Rez::guiX(start),
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Rez::guiX(end)));
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return fillItem;
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}
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/// create a PAT fill line from geometry
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QGraphicsPathItem* PATPathMaker::geomToLine(TechDraw::BaseGeomPtr base, LineSet& ls)
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{
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QGraphicsPathItem* fillItem = new QGraphicsPathItem(m_parent);
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Base::Vector3d start(base->getStartPoint().x,
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base->getStartPoint().y,
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0.0);
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Base::Vector3d end(base->getEndPoint().x,
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base->getEndPoint().y,
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0.0);
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fillItem->setPath(dashedPPath(decodeDashSpec(ls.getDashSpec()),
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Rez::guiX(start),
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Rez::guiX(end)));
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return fillItem;
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}
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/// create a simple line from geometry
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QGraphicsPathItem* PATPathMaker::simpleLine(TechDraw::BaseGeomPtr base)
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{
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QGraphicsPathItem* fillItem = new QGraphicsPathItem(m_parent);
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Base::Vector3d start(base->getStartPoint().x,
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base->getStartPoint().y,
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0.0);
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Base::Vector3d end(base->getEndPoint().x,
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base->getEndPoint().y,
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0.0);
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fillItem->setPath(dashedPPath(std::vector<double>(),
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Rez::guiX(start),
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Rez::guiX(end)));
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return fillItem;
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}
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//! convert from mm to scene units
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std::vector<double> PATPathMaker::decodeDashSpec(DashSpec patDash)
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{
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double penWidth = Rez::guiX(m_lineWidth);
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double scale = m_fillScale;
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double minPen = 0.01; //avoid trouble with cosmetic pen (zero width)?
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if (penWidth <= minPen) {
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penWidth = minPen;
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}
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std::vector<double> result;
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for (auto& d: patDash.get()) {
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double strokeLength;
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if (DrawUtil::fpCompare(d, 0.0)) { //pat dot
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strokeLength = penWidth;
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} else { //pat mark/space
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strokeLength = Rez::guiX(d);
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}
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result.push_back(scale * strokeLength);
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}
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return result;
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}
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//! make a dashed QPainterPath from start to end in scene coords
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QPainterPath PATPathMaker::dashedPPath(const std::vector<double> dashPattern, const Base::Vector3d start, const Base::Vector3d end)
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{
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QPainterPath result;
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Base::Vector3d dir = (end - start);
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dir.Normalize();
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result.moveTo(start.x, -start.y);
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Base::Vector3d currentPos = start;
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if (dashPattern.empty()) {
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result.lineTo(end.x, -end.y);
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m_segCount++;
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} else {
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double lineLength = (end - start).Length();
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double travel = 0.0;
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Base::Vector3d lineProgress;
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while (travel < lineLength) {
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bool stop = false;
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if (m_segCount > 10000) {
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Base::Console().warning("PAT segment count exceeded: %ld\n", m_segCount);
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break;
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}
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for (auto& d: dashPattern) {
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travel += fabs(d);
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Base::Vector3d segmentEnd = (currentPos + dir * fabs(d));
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if ((start - segmentEnd).Length() > lineLength) { //don't draw past end of line
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segmentEnd = end;
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stop = true;
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}
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if (d < 0.0) {
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result.moveTo(segmentEnd.x, -segmentEnd.y); //space
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} else {
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result.lineTo(segmentEnd.x, -segmentEnd.y); //mark
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}
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if (stop) {
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break;
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}
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m_segCount++;
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currentPos = segmentEnd;
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}
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}
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}
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return result;
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}
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void PATPathMaker::setLineWidth(double width)
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{
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m_lineWidth = width;
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m_pen.setWidthF(width);
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}
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//! convert a dash pattern to an offset dash pattern (ie offset -> end)
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// dashPattern & offset are already scaled.
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std::vector<double> PATPathMaker::offsetDash(const std::vector<double> dashPattern, const double offset)
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{
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std::vector<double> result;
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double length = 0.0;
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for (auto& d: dashPattern) {
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length += fabs(d);
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}
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if (offset > length) {
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result = dashPattern;
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return result;
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}
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//find the dash cell that includes offset
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double accum = 0;
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int i = 0;
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for (auto& d:dashPattern) {
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accum += fabs(d);
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if (accum > offset) {
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break;
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}
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i++;
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}
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double firstCell = accum - offset;
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if (dashPattern.at(i) < 0.0) { //offset found in a space cell
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result.push_back(-1.0* firstCell);
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} else {
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result.push_back(firstCell);
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}
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unsigned int iCell = i + 1;
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for ( ; iCell < dashPattern.size() ; iCell++) {
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result.push_back(dashPattern.at(iCell));
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}
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return result;
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}
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