[TD]Centralize preference getters

src/Mod/TechDraw/App/Preferences.h

@@ -0,0 +1,75 @@
+/***************************************************************************
+ *   Copyright (c) 2020 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 _Preferences_h_
+#define _Preferences_h_
+
+#include <string>
+
+//#include <QString>
+//#include <QFont>
+
+//class QFont;
+class QString;
+//class QColor;
+
+namespace App
+{
+class Color;
+}
+
+namespace TechDraw
+{
+
+//getters for parameters used in multiple places.
+class TechDrawExport Preferences {
+
+public:
+static std::string labelFont();
+static QString     labelFontQString();
+static double      labelFontSizeMM();
+static double      dimFontSizeMM();
+
+static App::Color  normalColor();
+static App::Color  selectColor();
+static App::Color  preselectColor();
+static App::Color  vertexColor();
+
+static bool        useGlobalDecimals();
+static bool        keepPagesUpToDate();
+
+static int         projectionAngle();
+static std::string lineGroup();
+
+static int         balloonArrow();
+
+static QString     defaultTemplate();
+static QString     defaultTemplateDir();
+static std::string lineGroupFile();
+
+
+
+static const double DefaultFontSizeInMM;
+};
+
+} //end namespace TechDraw
+#endif