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artemp 2015-06-03 11:30:57 +01:00
commit 3a4c67c9d6
8 changed files with 6 additions and 5018 deletions
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1
SConstruct
View file

@ -1593,7 +1593,6 @@ if not preconfigured:
# prepend to make sure we link locally
env.Prepend(CPPPATH = '#deps/agg/include')
env.Prepend(LIBPATH = '#deps/agg')
env.Prepend(CPPPATH = '#deps/clipper/include')
# prepend deps dir for auxillary headers
env.Prepend(CPPPATH = '#deps')

6
benchmark/test_polygon_clipping.cpp
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@ -19,7 +19,6 @@
// agg
#include "agg_conv_clip_polygon.h"
// clipper
#include "clipper.hpp"
#include "agg_path_storage.h"
// rendering
#include "agg_basics.h"
@ -307,6 +306,8 @@ public:
}
};
/*
Commented out section because clipper moved out of mapnik core.
inline void process_polynode_branch(ClipperLib::PolyNode* polynode,
mapnik::geometry::multi_polygon<double> & mp)
{
@ -491,6 +492,7 @@ public:
return valid;
}
};
*/
int main(int argc, char** argv)
{
@ -518,9 +520,11 @@ int main(int argc, char** argv)
test3 test_runner(params,wkt_in,clipping_box);
run(test_runner,"clipping polygon with boost");
}
/*
{
test4 test_runner(params,wkt_in,clipping_box);
run(test_runner,"clipping polygon with clipper_tree");
}
*/
return 0;
}

26
deps/clipper/build.py vendored
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@ -1,26 +0,0 @@
# This file is part of Mapnik (c++ mapping toolkit)
# Copyright (C) 2013 Artem Pavlenko
#
# Mapnik is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
import os
from glob import glob
Import('env')
lib_env = env.Clone()
lib_env.Append(CXXFLAGS='-fPIC')
lib_env.StaticLibrary('clipper', ['./src/clipper.cpp',], LIBS=[])

411
deps/clipper/include/clipper.hpp vendored
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@ -1,411 +0,0 @@
/*******************************************************************************
* *
* Author : Angus Johnson *
* Version : 6.2.9 *
* Date : 16 February 2015 *
* Website : http://www.angusj.com *
* Copyright : Angus Johnson 2010-2015 *
* *
* License: *
* Use, modification & distribution is subject to Boost Software License Ver 1. *
* http://www.boost.org/LICENSE_1_0.txt *
* *
* Attributions: *
* The code in this library is an extension of Bala Vatti's clipping algorithm: *
* "A generic solution to polygon clipping" *
* Communications of the ACM, Vol 35, Issue 7 (July 1992) pp 56-63. *
* http://portal.acm.org/citation.cfm?id=129906 *
* *
* Computer graphics and geometric modeling: implementation and algorithms *
* By Max K. Agoston *
* Springer; 1 edition (January 4, 2005) *
* http://books.google.com/books?q=vatti+clipping+agoston *
* *
* See also: *
* "Polygon Offsetting by Computing Winding Numbers" *
* Paper no. DETC2005-85513 pp. 565-575 *
* ASME 2005 International Design Engineering Technical Conferences *
* and Computers and Information in Engineering Conference (IDETC/CIE2005) *
* September 24-28, 2005 , Long Beach, California, USA *
* http://www.me.berkeley.edu/~mcmains/pubs/DAC05OffsetPolygon.pdf *
* *
*******************************************************************************/
#ifndef clipper_hpp
#define clipper_hpp
#include <mapnik/config.hpp>
#include <mapnik/geometry.hpp>
#define CLIPPER_VERSION "6.2.6"
//use_int32: When enabled 32bit ints are used instead of 64bit ints. This
//improve performance but coordinate values are limited to the range +/- 46340
//#define use_int32
//use_xyz: adds a Z member to IntPoint. Adds a minor cost to perfomance.
//#define use_xyz
//use_lines: Enables line clipping. Adds a very minor cost to performance.
#define use_lines
//use_deprecated: Enables temporary support for the obsolete functions
//#define use_deprecated
#include <vector>
#include <list>
#include <set>
#include <stdexcept>
#include <cstring>
#include <cstdlib>
#include <ostream>
#include <functional>
#include <queue>
namespace ClipperLib {
enum ClipType { ctIntersection, ctUnion, ctDifference, ctXor };
enum PolyType { ptSubject, ptClip };
//By far the most widely used winding rules for polygon filling are
//EvenOdd & NonZero (GDI, GDI+, XLib, OpenGL, Cairo, AGG, Quartz, SVG, Gr32)
//Others rules include Positive, Negative and ABS_GTR_EQ_TWO (only in OpenGL)
//see http://glprogramming.com/red/chapter11.html
enum PolyFillType { pftEvenOdd, pftNonZero, pftPositive, pftNegative };
#ifdef use_int32
typedef int cInt;
static cInt const loRange = 0x7FFF;
static cInt const hiRange = 0x7FFF;
#else
typedef std::int64_t cInt;
static cInt const loRange = 0x3FFFFFFF;
static cInt const hiRange = 0x3FFFFFFFFFFFFFFFLL;
typedef std::int64_t long64; //used by Int128 class
typedef std::uint64_t ulong64;
#endif
/*
struct IntPoint {
cInt x;
cInt y;
#ifdef use_xyz
cInt z;
IntPoint(cInt x = 0, cInt y = 0, cInt z = 0): X(x), Y(y), Z(z) {};
#else
IntPoint(cInt x_ = 0, cInt y_ = 0): x(x_), y(y_) {};
#endif
friend inline bool operator== (const IntPoint& a, const IntPoint& b)
{
return a.x == b.x && a.y == b.y;
}
friend inline bool operator!= (const IntPoint& a, const IntPoint& b)
{
return a.x != b.x || a.y != b.y;
}
};*/
typedef mapnik::geometry::point<cInt> IntPoint;
//------------------------------------------------------------------------------
//typedef std::vector< IntPoint > Path;
typedef mapnik::geometry::line_string<cInt> Path;
typedef mapnik::geometry::multi_line_string<cInt> Paths;
inline Path& operator <<(Path& poly, const IntPoint& p) {poly.push_back(p); return poly;}
inline Paths& operator <<(Paths& polys, const Path& p) {polys.push_back(p); return polys;}
std::ostream& operator <<(std::ostream &s, const IntPoint &p);
std::ostream& operator <<(std::ostream &s, const Path &p);
std::ostream& operator <<(std::ostream &s, const Paths &p);
struct DoublePoint
{
double x;
double y;
DoublePoint(double x_ = 0, double y_ = 0) : x(x_), y(y_) {}
DoublePoint(IntPoint ip) : x((double)ip.x), y((double)ip.y) {}
};
//------------------------------------------------------------------------------
#ifdef use_xyz
typedef void (*ZFillCallback)(IntPoint& e1bot, IntPoint& e1top, IntPoint& e2bot, IntPoint& e2top, IntPoint& pt);
#endif
enum InitOptions {ioReverseSolution = 1, ioStrictlySimple = 2, ioPreserveCollinear = 4};
enum JoinType {jtSquare, jtRound, jtMiter};
enum EndType {etClosedPolygon, etClosedLine, etOpenButt, etOpenSquare, etOpenRound};
class PolyNode;
typedef std::vector< PolyNode* > PolyNodes;
class MAPNIK_DECL PolyNode
{
public:
PolyNode();
virtual ~PolyNode(){};
Path Contour;
PolyNodes Childs;
PolyNode* Parent;
PolyNode* GetNext() const;
bool IsHole() const;
bool IsOpen() const;
int ChildCount() const;
private:
unsigned Index; //node index in Parent.Childs
bool m_IsOpen;
JoinType m_jointype;
EndType m_endtype;
PolyNode* GetNextSiblingUp() const;
void AddChild(PolyNode& child);
friend class MAPNIK_DECL Clipper; //to access Index
friend class MAPNIK_DECL ClipperOffset;
};
class MAPNIK_DECL PolyTree: public PolyNode
{
public:
~PolyTree(){Clear();};
PolyNode* GetFirst() const;
void Clear();
int Total() const;
private:
PolyNodes AllNodes;
friend class MAPNIK_DECL Clipper; //to access AllNodes
};
MAPNIK_DECL bool Orientation(const Path &poly);
MAPNIK_DECL double Area(const Path &poly);
MAPNIK_DECL int PointInPolygon(const IntPoint &pt, const Path &path);
MAPNIK_DECL void SimplifyPolygon(const Path &in_poly, Paths &out_polys, PolyFillType fillType = pftEvenOdd);
MAPNIK_DECL void SimplifyPolygons(const Paths &in_polys, Paths &out_polys, PolyFillType fillType = pftEvenOdd);
MAPNIK_DECL void SimplifyPolygons(Paths &polys, PolyFillType fillType = pftEvenOdd);
MAPNIK_DECL void CleanPolygon(const Path& in_poly, Path& out_poly, double distance = 1.415);
MAPNIK_DECL void CleanPolygon(Path& poly, double distance = 1.415);
MAPNIK_DECL void CleanPolygons(const Paths& in_polys, Paths& out_polys, double distance = 1.415);
MAPNIK_DECL void CleanPolygons(Paths& polys, double distance = 1.415);
void MinkowskiSum(const Path& pattern, const Path& path, Paths& solution, bool pathIsClosed);
void MinkowskiSum(const Path& pattern, const Paths& paths, Paths& solution, bool pathIsClosed);
void MinkowskiDiff(const Path& poly1, const Path& poly2, Paths& solution);
void PolyTreeToPaths(const PolyTree& polytree, Paths& paths);
void ClosedPathsFromPolyTree(const PolyTree& polytree, Paths& paths);
MAPNIK_DECL void OpenPathsFromPolyTree(PolyTree& polytree, Paths& paths);
void ReversePath(Path& p);
void ReversePaths(Paths& p);
struct IntRect { cInt left; cInt top; cInt right; cInt bottom; };
//enums that are used internally ...
enum EdgeSide { esLeft = 1, esRight = 2};
//forward declarations (for stuff used internally) ...
struct TEdge;
struct IntersectNode;
struct LocalMinimum;
struct OutPt;
struct OutRec;
struct Join;
typedef std::vector < OutRec* > PolyOutList;
typedef std::vector < TEdge* > EdgeList;
typedef std::vector < Join* > JoinList;
typedef std::vector < IntersectNode* > IntersectList;
//------------------------------------------------------------------------------
//ClipperBase is the ancestor to the Clipper class. It should not be
//instantiated directly. This class simply abstracts the conversion of sets of
//polygon coordinates into edge objects that are stored in a LocalMinima list.
class MAPNIK_DECL ClipperBase
{
public:
ClipperBase();
virtual ~ClipperBase();
bool AddPath(const Path &pg, PolyType PolyTyp, bool Closed);
bool AddPaths(const Paths &ppg, PolyType PolyTyp, bool Closed);
virtual void Clear();
IntRect GetBounds();
bool PreserveCollinear() {return m_PreserveCollinear;};
void PreserveCollinear(bool value) {m_PreserveCollinear = value;};
protected:
void DisposeLocalMinimaList();
TEdge* AddBoundsToLML(TEdge *e, bool IsClosed);
void PopLocalMinima();
virtual void Reset();
TEdge* ProcessBound(TEdge* E, bool IsClockwise);
TEdge* DescendToMin(TEdge *&E);
void AscendToMax(TEdge *&E, bool Appending, bool IsClosed);
typedef std::vector<LocalMinimum> MinimaList;
MinimaList::iterator m_CurrentLM;
MinimaList m_MinimaList;
bool m_UseFullRange;
EdgeList m_edges;
bool m_PreserveCollinear;
bool m_HasOpenPaths;
};
//------------------------------------------------------------------------------
class MAPNIK_DECL Clipper : public virtual ClipperBase
{
public:
Clipper(int initOptions = 0);
~Clipper();
bool Execute(ClipType clipType,
Paths &solution,
PolyFillType fillType = pftEvenOdd);
bool Execute(ClipType clipType,
Paths &solution,
PolyFillType subjFillType,
PolyFillType clipFillType);
bool Execute(ClipType clipType,
PolyTree &polytree,
PolyFillType fillType = pftEvenOdd);
bool Execute(ClipType clipType,
PolyTree &polytree,
PolyFillType subjFillType,
PolyFillType clipFillType);
bool ReverseSolution() { return m_ReverseOutput; };
void ReverseSolution(bool value) {m_ReverseOutput = value;};
bool StrictlySimple() {return m_StrictSimple;};
void StrictlySimple(bool value) {m_StrictSimple = value;};
//set the callback function for z value filling on intersections (otherwise Z is 0)
#ifdef use_xyz
void ZFillFunction(ZFillCallback zFillFunc);
#endif
protected:
void Reset();
virtual bool ExecuteInternal();
private:
PolyOutList m_PolyOuts;
JoinList m_Joins;
JoinList m_GhostJoins;
IntersectList m_IntersectList;
ClipType m_ClipType;
typedef std::priority_queue<cInt> ScanbeamList;
ScanbeamList m_Scanbeam;
typedef std::list<cInt> MaximaList;
MaximaList m_Maxima;
TEdge *m_ActiveEdges;
TEdge *m_SortedEdges;
bool m_ExecuteLocked;
PolyFillType m_ClipFillType;
PolyFillType m_SubjFillType;
bool m_ReverseOutput;
bool m_UsingPolyTree;
bool m_StrictSimple;
#ifdef use_xyz
ZFillCallback m_ZFill; //custom callback
#endif
void SetWindingCount(TEdge& edge);
bool IsEvenOddFillType(const TEdge& edge) const;
bool IsEvenOddAltFillType(const TEdge& edge) const;
void InsertScanbeam(const cInt Y);
cInt PopScanbeam();
void InsertLocalMinimaIntoAEL(const cInt botY);
void InsertEdgeIntoAEL(TEdge *edge, TEdge* startEdge);
void AddEdgeToSEL(TEdge *edge);
void CopyAELToSEL();
void DeleteFromSEL(TEdge *e);
void DeleteFromAEL(TEdge *e);
void UpdateEdgeIntoAEL(TEdge *&e);
void SwapPositionsInSEL(TEdge *edge1, TEdge *edge2);
bool IsContributing(const TEdge& edge) const;
bool IsTopHorz(const cInt XPos);
void SwapPositionsInAEL(TEdge *edge1, TEdge *edge2);
void DoMaxima(TEdge *e);
void ProcessHorizontals();
void ProcessHorizontal(TEdge *horzEdge);
void AddLocalMaxPoly(TEdge *e1, TEdge *e2, const IntPoint &pt);
OutPt* AddLocalMinPoly(TEdge *e1, TEdge *e2, const IntPoint &pt);
OutRec* GetOutRec(int idx);
void AppendPolygon(TEdge *e1, TEdge *e2);
void IntersectEdges(TEdge *e1, TEdge *e2, IntPoint &pt);
OutRec* CreateOutRec();
OutPt* AddOutPt(TEdge *e, const IntPoint &pt);
OutPt* GetLastOutPt(TEdge *e);
void DisposeAllOutRecs();
void DisposeOutRec(PolyOutList::size_type index);
bool ProcessIntersections(const cInt topY);
void BuildIntersectList(const cInt topY);
void ProcessIntersectList();
void ProcessEdgesAtTopOfScanbeam(const cInt topY);
void BuildResult(Paths& polys);
void BuildResult2(PolyTree& polytree);
void SetHoleState(TEdge *e, OutRec *outrec);
void DisposeIntersectNodes();
bool FixupIntersectionOrder();
void FixupOutPolygon(OutRec &outrec);
void FixupOutPolyline(OutRec &outrec);
bool IsHole(TEdge *e);
bool FindOwnerFromSplitRecs(OutRec &outRec, OutRec *&currOrfl);
void FixHoleLinkage(OutRec &outrec);
void AddJoin(OutPt *op1, OutPt *op2, const IntPoint offPt);
void ClearJoins();
void ClearGhostJoins();
void AddGhostJoin(OutPt *op, const IntPoint offPt);
bool JoinPoints(Join *j, OutRec* outRec1, OutRec* outRec2);
void JoinCommonEdges();
void DoSimplePolygons();
void FixupFirstLefts1(OutRec* OldOutRec, OutRec* NewOutRec);
void FixupFirstLefts2(OutRec* OldOutRec, OutRec* NewOutRec);
#ifdef use_xyz
void SetZ(IntPoint& pt, TEdge& e1, TEdge& e2);
#endif
};
//------------------------------------------------------------------------------
class MAPNIK_DECL ClipperOffset
{
public:
ClipperOffset(double miterLimit = 2.0, double roundPrecision = 0.25);
~ClipperOffset();
void AddPath(const Path& path, JoinType joinType, EndType endType);
void AddPaths(const Paths& paths, JoinType joinType, EndType endType);
void Execute(Paths& solution, double delta);
void Execute(PolyTree& solution, double delta);
void Clear();
double MiterLimit;
double ArcTolerance;
private:
Paths m_destPolys;
Path m_srcPoly;
Path m_destPoly;
std::vector<DoublePoint> m_normals;
double m_delta, m_sinA, m_sin, m_cos;
double m_miterLim, m_StepsPerRad;
IntPoint m_lowest;
PolyNode m_polyNodes;
void FixOrientations();
void DoOffset(double delta);
void OffsetPoint(int j, int& k, JoinType jointype);
void DoSquare(int j, int k);
void DoMiter(int j, int k, double r);
void DoRound(int j, int k);
};
//------------------------------------------------------------------------------
class clipperException : public std::exception
{
public:
clipperException(const char* description): m_descr(description) {}
virtual ~clipperException() throw() {}
virtual const char* what() const throw() {return m_descr.c_str();}
private:
std::string m_descr;
};
//------------------------------------------------------------------------------
} //ClipperLib namespace
#endif //clipper_hpp

4571
deps/clipper/src/clipper.cpp vendored
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File diff suppressed because it is too large Load diff

1
deps/mapnik/build.py vendored
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@ -7,7 +7,6 @@ subdirs = {
'sparsehash':'sparsehash',
'sparsehash/internal':'sparsehash/internal',
'../agg/include':'agg',
'../clipper/include':'agg'
}
if 'install' in COMMAND_LINE_TARGETS:

6
src/build.py
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@ -340,12 +340,6 @@ source += Split(
"""
)
# clipper
source += Split(
"""
../deps/clipper/src/clipper.cpp
""")
if env['RUNTIME_LINK'] == "static":
source += glob.glob('../deps/agg/src/' + '*.cpp')

2
test/data-visual

@ -1 +1 @@
Subproject commit 405596e476874a47a33e398fc9c73affeb08264f
Subproject commit 698026c007507590ebc4d04fedc8dbe4242fc990