Split emfplus.cxx into multiple files

This helps make emfplus.cxx more readable.
No source code was changed, only moved except these
renamed to avoid inheritance warnings::
EMFPBrush::transformation renamed to brush_transformation
EMFPPen::transformation renamed to pen_transformation
Change-Id: I6952d6300c9c459833c2dda2b715d851b9e80de7
Reviewed-on: https://gerrit.libreoffice.org/31165
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: jan iversen <jani@documentfoundation.org>

1 files changed, 189 insertions, 0 deletions

diff --git a/cppcanvas/source/mtfrenderer/emfppath.cxx b/cppcanvas/source/mtfrenderer/emfppath.cxx
new file mode 100644
index 000000000000..54de41b06091
--- /dev/null
+++ b/cppcanvas/source/mtfrenderer/emfppath.cxx
@@ -0,0 +1,189 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/rendering/PathCapType.hpp>
+#include <com/sun/star/rendering/PathJoinType.hpp>
+#include <com/sun/star/rendering/TexturingMode.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <basegfx/tools/canvastools.hxx>
+#include <basegfx/tools/gradienttools.hxx>
+#include <basegfx/tools/tools.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/vector/b2dsize.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/polygon/b2dlinegeometry.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <vcl/canvastools.hxx>
+#include <implrenderer.hxx>
+#include <emfppath.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::basegfx;
+
+namespace cppcanvas
+{
+    namespace internal
+    {
+        EMFPPath::EMFPPath (sal_Int32 _nPoints, bool bLines)
+        {
+            if( _nPoints<0 || sal_uInt32(_nPoints)>SAL_MAX_INT32/(2*sizeof(float)) )
+                _nPoints = SAL_MAX_INT32/(2*sizeof(float));
+            nPoints = _nPoints;
+            pPoints = new float [nPoints*2];
+            if (!bLines)
+                pPointTypes = new sal_uInt8 [_nPoints];
+            else
+                pPointTypes = nullptr;
+        }
+
+        EMFPPath::~EMFPPath ()
+        {
+            delete [] pPoints;
+            delete [] pPointTypes;
+        }
+
+        // TODO: remove rR argument when debug code is not longer needed
+        void EMFPPath::Read (SvStream& s, sal_uInt32 pathFlags, ImplRenderer& rR)
+        {
+            for (int i = 0; i < nPoints; i ++) {
+                if (pathFlags & 0x4000) {
+                    // EMFPlusPoint: stored in signed short 16bit integer format
+                    sal_Int16 x, y;
+
+                    s.ReadInt16( x ).ReadInt16( y );
+                    SAL_INFO ("cppcanvas.emf", "EMF+\tEMFPlusPoint [x,y]: " << x << "," << y);
+                    pPoints [i*2] = x;
+                    pPoints [i*2 + 1] = y;
+                } else if (!(pathFlags & 0xC000)) {
+                    // EMFPlusPointF: stored in Single (float) format
+                    s.ReadFloat( pPoints [i*2] ).ReadFloat( pPoints [i*2 + 1] );
+                    SAL_INFO ("cppcanvas.emf", "EMF+\tEMFPlusPointF [x,y]: " << pPoints [i*2] << "," << pPoints [i*2 + 1]);
+                } else { //if (pathFlags & 0x8000)
+                    // EMFPlusPointR: points are stored in EMFPlusInteger7 or
+                    // EMFPlusInteger15 objects, see section 2.2.2.21/22
+                    SAL_INFO("cppcanvas.emf", "EMF+\t\tTODO - parse EMFPlusPointR object (section 2.2.1.6)");
+                }
+
+            }
+
+            if (pPointTypes)
+                for (int i = 0; i < nPoints; i ++) {
+                    s.ReadUChar( pPointTypes [i] );
+                    SAL_INFO ("cppcanvas.emf", "EMF+\tpoint type: " << (int)pPointTypes [i]);
+                }
+
+            aPolygon.clear ();
+
+#if OSL_DEBUG_LEVEL > 1
+            const ::basegfx::B2DRectangle aBounds (::basegfx::tools::getRange (GetPolygon (rR)));
+
+            SAL_INFO ("cppcanvas.emf",
+                        "EMF+\tpolygon bounding box: " << aBounds.getMinX () << "," << aBounds.getMinY () << aBounds.getWidth () << "x" << aBounds.getHeight () << " (mapped)");
+#else
+            (void) rR; // avoid warnings
+#endif
+        }
+
+        ::basegfx::B2DPolyPolygon& EMFPPath::GetPolygon (ImplRenderer& rR, bool bMapIt)
+        {
+            ::basegfx::B2DPolygon polygon;
+
+            aPolygon.clear ();
+
+            int last_normal = 0, p = 0;
+            ::basegfx::B2DPoint prev, mapped;
+            bool hasPrev = false;
+            for (int i = 0; i < nPoints; i ++) {
+                if (p && pPointTypes && (pPointTypes [i] == 0)) {
+                    aPolygon.append (polygon);
+                    last_normal = i;
+                    p = 0;
+                    polygon.clear ();
+                }
+
+                if (bMapIt)
+                    mapped = rR.Map (pPoints [i*2], pPoints [i*2 + 1]);
+                else
+                    mapped = ::basegfx::B2DPoint (pPoints [i*2], pPoints [i*2 + 1]);
+                if (pPointTypes) {
+                    if ((pPointTypes [i] & 0x07) == 3) {
+                        if (((i - last_normal )% 3) == 1) {
+                            polygon.setNextControlPoint (p - 1, mapped);
+                            SAL_INFO ("cppcanvas.emf", "polygon append  next: " << p - 1 << " mapped: " << mapped.getX () << "," << mapped.getY ());
+                            continue;
+                        } else if (((i - last_normal) % 3) == 2) {
+                            prev = mapped;
+                            hasPrev = true;
+                            continue;
+                        }
+                    } else
+                        last_normal = i;
+                }
+                polygon.append (mapped);
+                SAL_INFO ("cppcanvas.emf", "polygon append point: " << pPoints [i*2] << "," << pPoints [i*2 + 1] << " mapped: " << mapped.getX () << ":" << mapped.getY ());
+                if (hasPrev) {
+                    polygon.setPrevControlPoint (p, prev);
+                    SAL_INFO ("cppcanvas.emf", "polygon append  prev: " << p << " mapped: " << prev.getX () << "," << prev.getY ());
+                    hasPrev = false;
+                }
+                p ++;
+                if (pPointTypes && (pPointTypes [i] & 0x80)) { // closed polygon
+                    polygon.setClosed (true);
+                    aPolygon.append (polygon);
+                    SAL_INFO ("cppcanvas.emf", "close polygon");
+                    last_normal = i + 1;
+                    p = 0;
+                    polygon.clear ();
+                }
+            }
+
+            if (polygon.count ()) {
+                aPolygon.append (polygon);
+
+#if OSL_DEBUG_LEVEL > 1
+                for (unsigned int i=0; i<aPolygon.count(); i++) {
+                    polygon = aPolygon.getB2DPolygon(i);
+                    SAL_INFO ("cppcanvas.emf", "polygon: " << i);
+                    for (unsigned int j=0; j<polygon.count(); j++) {
+                        ::basegfx::B2DPoint point = polygon.getB2DPoint(j);
+                        SAL_INFO ("cppcanvas.emf", "point: " << point.getX() << "," << point.getY());
+                        if (polygon.isPrevControlPointUsed(j)) {
+                            point = polygon.getPrevControlPoint(j);
+                            SAL_INFO ("cppcanvas.emf", "prev: " << point.getX() << "," << point.getY());
+                        }
+                        if (polygon.isNextControlPointUsed(j)) {
+                            point = polygon.getNextControlPoint(j);
+                            SAL_INFO ("cppcanvas.emf", "next: " << point.getX() << "," << point.getY());
+                        }
+                    }
+                }
+#endif
+            }
+
+            return aPolygon;
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */