+ issue #0001203: Allow User to Adjust Size of Constraint Points

src/Gui/Inventor/MarkerBitmaps.cpp

@@ -0,0 +1,176 @@
+/***************************************************************************
+ *   Copyright (c) 2016 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   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                                *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+# include <Inventor/nodes/SoMarkerSet.h>
+#endif
+
+#include "MarkerBitmaps.h"
+
+using namespace Gui::Inventor;
+
+/*
+from PySide import QtCore
+from PySide import QtGui
+
+def makeIcon(s):
+  p=QtGui.QPixmap(s,s)
+  painter=QtGui.QPainter(p)
+  painter.setBrush(QtCore.Qt.SolidPattern)
+  painter.drawEllipse(1,1,s-2,s-2)
+  painter.end()
+
+  buffer=QtCore.QBuffer()
+  buffer.open(buffer.WriteOnly)
+  p.save(buffer,"XPM")
+  buffer.close()
+
+  ary=buffer.buffer()
+  lines=ary.split(",")
+  ba=QtCore.QByteArray()
+  for i in lines[3:]:
+    ba = ba.append(i)
+
+  ba=ba.replace("#","x")
+  ba=ba.replace("."," ")
+  print (ba.data())
+*/
+
+//CIRCLE_FILLED_11_11
+const int CIRCLE11_WIDTH = 11;
+const int CIRCLE11_HEIGHT = 11;
+const char circle11_marker[CIRCLE11_WIDTH * CIRCLE11_HEIGHT + 1] = {
+"           "
+"   xxxxxx  "
+"  xxxxxxxx "
+"  xxxxxxxx "
+" xxxxxxxxxx"
+" xxxxxxxxxx"
+" xxxxxxxxxx"
+" xxxxxxxxxx"
+"  xxxxxxxx "
+"  xxxxxxxx "
+"   xxxxxx  "};
+
+
+//CIRCLE_FILLED_13_13
+const int CIRCLE13_WIDTH = 13;
+const int CIRCLE13_HEIGHT = 13;
+const char circle13_marker[CIRCLE13_WIDTH * CIRCLE13_HEIGHT + 1] = {
+"             "
+"    xxxxxx   "
+"   xxxxxxxx  "
+"  xxxxxxxxxx "
+" xxxxxxxxxxxx"
+" xxxxxxxxxxxx"
+" xxxxxxxxxxxx"
+" xxxxxxxxxxxx"
+" xxxxxxxxxxxx"
+" xxxxxxxxxxxx"
+"  xxxxxxxxxx "
+"   xxxxxxxx  "
+"    xxxxxx   "};
+
+
+//CIRCLE_FILLED_15_15
+const int CIRCLE15_WIDTH = 15;
+const int CIRCLE15_HEIGHT = 15;
+const char circle15_marker[CIRCLE15_WIDTH * CIRCLE15_HEIGHT + 1] = {
+"               "
+"     xxxxxx    "
+"   xxxxxxxxxx  "
+"  xxxxxxxxxxxx "
+"  xxxxxxxxxxxx "
+" xxxxxxxxxxxxxx"
+" xxxxxxxxxxxxxx"
+" xxxxxxxxxxxxxx"
+" xxxxxxxxxxxxxx"
+" xxxxxxxxxxxxxx"
+" xxxxxxxxxxxxxx"
+"  xxxxxxxxxxxx "
+"   xxxxxxxxxxxx"
+"   xxxxxxxxxx  "
+"     xxxxxx    "};
+
+std::map<MarkerBitmaps::Marker, int> MarkerBitmaps::markerIndex;
+
+void
+MarkerBitmaps::initClass()
+{
+    createBitmap("CIRCLE_FILLED", 11, 11, 11, circle11_marker);
+    createBitmap("CIRCLE_FILLED", 13, 13, 13, circle13_marker);
+    createBitmap("CIRCLE_FILLED", 15, 15, 15, circle15_marker);
+
+    // the built-in bitmaps of Coin
+    markerIndex [std::make_pair("CIRCLE_FILLED", 9)] = SoMarkerSet::CIRCLE_FILLED_9_9;
+    markerIndex [std::make_pair("CIRCLE_FILLED", 7)] = SoMarkerSet::CIRCLE_FILLED_7_7;
+    markerIndex [std::make_pair("CIRCLE_FILLED", 5)] = SoMarkerSet::CIRCLE_FILLED_5_5;
+}
+
+void MarkerBitmaps::createBitmap(const std::string& name, int px, int width, int height, const char* marker)
+{
+    int byteidx = 0;
+    const int byteWidth = (width + 7) / 2;
+    int size = byteWidth * height;
+    std::vector<unsigned char> bitmapbytes(size);
+
+    for (int h = 0; h < height; h++) {
+        unsigned char bits = 0;
+        for (int w = 0; w < width; w++) {
+            if (marker[(h * width) + w] != ' ') {
+                bits |= (0x80 >> (w % 8));
+            }
+            if ((((w + 1) % 8) == 0) || (w == width - 1)) {
+                bitmapbytes[byteidx++] = bits;
+                bits = 0;
+            }
+        }
+    }
+
+    int MY_BITMAP_IDX = SoMarkerSet::getNumDefinedMarkers(); // add at end
+    SoMarkerSet::addMarker(MY_BITMAP_IDX, SbVec2s(width, height),
+                           &(bitmapbytes[0]), FALSE, TRUE);
+
+    markerIndex[std::make_pair(name, px)] = MY_BITMAP_IDX;
+}
+
+int MarkerBitmaps::getMarkerIndex(const std::string& name, int px)
+{
+    std::map<Marker, int>::iterator it = markerIndex.find(std::make_pair(name, px));
+    if (it != markerIndex.end()) {
+        return it->second;
+    }
+
+    return static_cast<int>(SoMarkerSet::CIRCLE_FILLED_7_7);
+}
+
+std::list<int> MarkerBitmaps::getSupportedSizes(const std::string& name)
+{
+    std::list<int> sizes;
+    for (std::map<Marker, int>::iterator it = markerIndex.begin(); it != markerIndex.end(); ++it) {
+        if (it->first.first == name)
+            sizes.push_back(it->first.second);
+    }
+    return sizes;
+}