[TD]refactor QGIFace into 2 files

- add PATPathMaker for the PAT hatch spec processing methods - remove PAT methods from QGIFace - remove obsolete conversion of svg hatch to pixmap
2023-10-20 11:20:47 -04:00
parent d01e9165a5
commit 8dea3487e2
5 changed files with 376 additions and 327 deletions
--- a/src/Mod/TechDraw/Gui/PATPathMaker.h
+++ b/src/Mod/TechDraw/Gui/PATPathMaker.h
@@ -0,0 +1,79 @@
+/***************************************************************************
+ *   Copyright (c) 2023 WandererFan  <wandererfan@gmail.com>               *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef TECHDRAWGUI_PATPATHMAKER_H
+#define TECHDRAWGUI_PATPATHMAKER_H
+
+#include <Mod/TechDraw/TechDrawGlobal.h>
+
+#include <QGraphicsPathItem>
+#include <QPen>
+
+#include <Mod/TechDraw/App/HatchLine.h>
+#include <Mod/TechDraw/App/Geometry.h>
+
+namespace TechDrawGui
+{
+
+class PATPathMaker
+{
+public:
+    explicit PATPathMaker(QGraphicsItem* parent = nullptr, double lineWidth = 0.50, double fillScale = 1.0);
+    ~PATPathMaker() = default;
+
+    void setLineWidth(double width) {  m_lineWidth = width; }
+    void setScale(double scale) { m_fillScale = scale; }
+    void setPen(QPen pen) { m_pen = pen; }
+    QPen getPen()  { return m_pen; }
+    void setParent(QGraphicsItem* parent) { m_parent = parent; }
+
+    void lineSetToFillItems(TechDraw::LineSet& ls);
+
+protected:
+    QGraphicsPathItem* geomToLine(TechDraw::BaseGeomPtr base, TechDraw::LineSet& ls);
+    QGraphicsPathItem* geomToStubbyLine(TechDraw::BaseGeomPtr base, double offset, TechDraw::LineSet& ls);
+    QGraphicsPathItem* lineFromPoints(Base::Vector3d start, Base::Vector3d end, TechDraw::DashSpec ds);
+    std::vector<double> offsetDash(const std::vector<double> dv, const double offset);
+    QPainterPath dashedPPath(const std::vector<double> dv, const Base::Vector3d start, const Base::Vector3d end);
+    double dashRemain(const std::vector<double> dv, const double offset);
+    double calcOffset(TechDraw::BaseGeomPtr g, TechDraw::LineSet ls);
+    std::vector<double> decodeDashSpec(TechDraw::DashSpec d);
+
+private:
+    QGraphicsItem* m_parent;
+    QPainterPath m_geomhatch;                  //crosshatch fill lines
+    QPen m_pen;
+
+    std::vector<TechDraw::LineSet> m_lineSets;
+    std::vector<TechDraw::DashSpec> m_dashSpecs;
+    std::vector<QGraphicsPathItem*> m_fillItems;
+
+
+    double m_fillScale;
+    double m_lineWidth;
+    long int m_segCount;
+    long int m_maxSeg;
+};
+
+}
+#endif // TECHDRAWGUI_PATPATHMAKER_H
+