LCOV - code coverage report
Current view: top level - gfx/skia/skia/src/pathops - SkOpAngle.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 13 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright 2012 Google Inc.
       3             :  *
       4             :  * Use of this source code is governed by a BSD-style license that can be
       5             :  * found in the LICENSE file.
       6             :  */
       7             : #ifndef SkOpAngle_DEFINED
       8             : #define SkOpAngle_DEFINED
       9             : 
      10             : #include "SkLineParameters.h"
      11             : #include "SkPathOpsCurve.h"
      12             : #if DEBUG_ANGLE
      13             : #include "SkString.h"
      14             : #endif
      15             : 
      16             : class SkOpContour;
      17             : class SkOpPtT;
      18             : class SkOpSegment;
      19             : class SkOpSpanBase;
      20             : class SkOpSpan;
      21             : 
      22             : class SkOpAngle {
      23             : public:
      24             :     enum IncludeType {
      25             :         kUnaryWinding,
      26             :         kUnaryXor,
      27             :         kBinarySingle,
      28             :         kBinaryOpp,
      29             :     };
      30             : 
      31             :     const SkOpAngle* debugAngle(int id) const;
      32             :     const SkOpCoincidence* debugCoincidence() const;
      33             :     SkOpContour* debugContour(int id) const;
      34             : 
      35             :     int debugID() const {
      36             :         return SkDEBUGRELEASE(fID, -1);
      37             :     }
      38             : 
      39             : #if DEBUG_SORT
      40             :     void debugLoop() const;
      41             : #endif
      42             : 
      43             : #if DEBUG_ANGLE
      44             :     bool debugCheckCoincidence() const { return fCheckCoincidence; }
      45             :     void debugCheckNearCoincidence() const;
      46             :     SkString debugPart() const;
      47             : #endif
      48             :     const SkOpPtT* debugPtT(int id) const;
      49             :     const SkOpSegment* debugSegment(int id) const;
      50             :     int debugSign() const;
      51             :     const SkOpSpanBase* debugSpan(int id) const;
      52             :     void debugValidate() const;
      53             :     void debugValidateNext() const;  // in debug builds, verify that angle loop is uncorrupted
      54             :     double distEndRatio(double dist) const;
      55             :     // available to testing only
      56             :     void dump() const;
      57             :     void dumpCurves() const;
      58             :     void dumpLoop() const;
      59             :     void dumpOne(bool functionHeader) const;
      60             :     void dumpTo(const SkOpSegment* fromSeg, const SkOpAngle* ) const;
      61             :     void dumpTest() const;
      62             : 
      63           0 :     SkOpSpanBase* end() const {
      64           0 :         return fEnd;
      65             :     }
      66             : 
      67             :     bool insert(SkOpAngle* );
      68             :     SkOpSpanBase* lastMarked() const;
      69             :     bool loopContains(const SkOpAngle* ) const;
      70             :     int loopCount() const;
      71             : 
      72           0 :     SkOpAngle* next() const {
      73           0 :         return fNext;
      74             :     }
      75             : 
      76             :     SkOpAngle* previous() const;
      77             :     SkOpSegment* segment() const;
      78             :     void set(SkOpSpanBase* start, SkOpSpanBase* end);
      79             : 
      80           0 :     void setLastMarked(SkOpSpanBase* marked) {
      81           0 :         fLastMarked = marked;
      82           0 :     }
      83             : 
      84           0 :     SkOpSpanBase* start() const {
      85           0 :         return fStart;
      86             :     }
      87             : 
      88             :     SkOpSpan* starter();
      89             : 
      90           0 :     bool tangentsAmbiguous() const {
      91           0 :         return fTangentsAmbiguous;
      92             :     }
      93             : 
      94           0 :     bool unorderable() const {
      95           0 :         return fUnorderable;
      96             :     }
      97             : 
      98             : private:
      99             :     bool after(SkOpAngle* test);
     100             :     void alignmentSameSide(const SkOpAngle* test, int* order) const;
     101             :     int allOnOneSide(const SkOpAngle* test);
     102             :     bool checkCrossesZero() const;
     103             :     bool checkParallel(SkOpAngle* );
     104             :     bool computeSector();
     105             :     int convexHullOverlaps(const SkOpAngle* );
     106             :     bool endToSide(const SkOpAngle* rh, bool* inside) const;
     107             :     bool endsIntersect(SkOpAngle* );
     108             :     int findSector(SkPath::Verb verb, double x, double y) const;
     109             :     SkOpGlobalState* globalState() const;
     110             :     bool merge(SkOpAngle* );
     111             :     double midT() const;
     112             :     bool midToSide(const SkOpAngle* rh, bool* inside) const;
     113             :     bool oppositePlanes(const SkOpAngle* rh) const;
     114             :     bool orderable(SkOpAngle* rh);  // false == this < rh ; true == this > rh
     115             :     void setSector();
     116             :     void setSpans();
     117             :     bool tangentsDiverge(const SkOpAngle* rh, double s0xt0);
     118             : 
     119             :     SkDCurve fOriginalCurvePart;  // the curve from start to end
     120             :     SkDCurveSweep fPart;  // the curve from start to end offset as needed
     121             :     double fSide;
     122             :     SkLineParameters fTangentHalf;  // used only to sort a pair of lines or line-like sections
     123             :     SkOpAngle* fNext;
     124             :     SkOpSpanBase* fLastMarked;
     125             :     SkOpSpanBase* fStart;
     126             :     SkOpSpanBase* fEnd;
     127             :     SkOpSpanBase* fComputedEnd;
     128             :     int fSectorMask;
     129             :     int8_t fSectorStart;  // in 32nds of a circle
     130             :     int8_t fSectorEnd;
     131             :     bool fUnorderable;
     132             :     bool fComputeSector;
     133             :     bool fComputedSector;
     134             :     bool fCheckCoincidence;
     135             :     bool fTangentsAmbiguous;
     136             :     SkDEBUGCODE(int fID);
     137             : 
     138             :     friend class PathOpsAngleTester;
     139             : };
     140             : 
     141             : 
     142             : 
     143             : #endif

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