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      1 /*
      2  * Copyright 2013 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 SkPathOpsDebug_DEFINED
      8 #define SkPathOpsDebug_DEFINED
      9 
     10 #include "SkPathOps.h"
     11 #include "SkTypes.h"
     12 #include <stdio.h>
     13 
     14 #ifdef SK_RELEASE
     15 #define FORCE_RELEASE 1
     16 #else
     17 #define FORCE_RELEASE 1  // set force release to 1 for multiple thread -- no debugging
     18 #endif
     19 
     20 #define ONE_OFF_DEBUG 0
     21 #define ONE_OFF_DEBUG_MATHEMATICA 0
     22 
     23 #if defined(SK_BUILD_FOR_WIN) || defined(SK_BUILD_FOR_ANDROID)
     24     #define SK_RAND(seed) rand()
     25 #else
     26     #define SK_RAND(seed) rand_r(&seed)
     27 #endif
     28 #ifdef SK_BUILD_FOR_WIN
     29     #define SK_SNPRINTF _snprintf
     30 #else
     31     #define SK_SNPRINTF snprintf
     32 #endif
     33 
     34 #define WIND_AS_STRING(x) char x##Str[12]; \
     35         if (!SkPathOpsDebug::ValidWind(x)) strcpy(x##Str, "?"); \
     36         else SK_SNPRINTF(x##Str, sizeof(x##Str), "%d", x)
     37 
     38 #if FORCE_RELEASE
     39 
     40 #define DEBUG_ACTIVE_OP 0
     41 #define DEBUG_ACTIVE_SPANS 0
     42 #define DEBUG_ACTIVE_SPANS_FIRST_ONLY 0
     43 #define DEBUG_ACTIVE_SPANS_SHORT_FORM 1
     44 #define DEBUG_ADD_INTERSECTING_TS 0
     45 #define DEBUG_ADD_T_PAIR 0
     46 #define DEBUG_ANGLE 0
     47 #define DEBUG_AS_C_CODE 1
     48 #define DEBUG_ASSEMBLE 0
     49 #define DEBUG_CHECK_ENDS 0
     50 #define DEBUG_CHECK_TINY 0
     51 #define DEBUG_CONCIDENT 0
     52 #define DEBUG_CROSS 0
     53 #define DEBUG_CUBIC_BINARY_SEARCH 0
     54 #define DEBUG_DUPLICATES 0
     55 #define DEBUG_FLAT_QUADS 0
     56 #define DEBUG_FLOW 0
     57 #define DEBUG_LIMIT_WIND_SUM 0
     58 #define DEBUG_MARK_DONE 0
     59 #define DEBUG_PATH_CONSTRUCTION 0
     60 #define DEBUG_SHOW_TEST_NAME 0
     61 #define DEBUG_SHOW_TEST_PROGRESS 0
     62 #define DEBUG_SHOW_WINDING 0
     63 #define DEBUG_SORT 0
     64 #define DEBUG_SORT_COMPACT 0
     65 #define DEBUG_SORT_RAW 0
     66 #define DEBUG_SORT_SINGLE 0
     67 #define DEBUG_SWAP_TOP 0
     68 #define DEBUG_UNSORTABLE 0
     69 #define DEBUG_VALIDATE 0
     70 #define DEBUG_WIND_BUMP 0
     71 #define DEBUG_WINDING 0
     72 #define DEBUG_WINDING_AT_T 0
     73 
     74 #else
     75 
     76 #define DEBUG_ACTIVE_OP 1
     77 #define DEBUG_ACTIVE_SPANS 1
     78 #define DEBUG_ACTIVE_SPANS_FIRST_ONLY 0
     79 #define DEBUG_ACTIVE_SPANS_SHORT_FORM 1
     80 #define DEBUG_ADD_INTERSECTING_TS 1
     81 #define DEBUG_ADD_T_PAIR 1
     82 #define DEBUG_ANGLE 1
     83 #define DEBUG_AS_C_CODE 1
     84 #define DEBUG_ASSEMBLE 1
     85 #define DEBUG_CHECK_ENDS 1
     86 #define DEBUG_CHECK_TINY 1
     87 #define DEBUG_CONCIDENT 1
     88 #define DEBUG_CROSS 01
     89 #define DEBUG_CUBIC_BINARY_SEARCH 1
     90 #define DEBUG_DUPLICATES 1
     91 #define DEBUG_FLAT_QUADS 0
     92 #define DEBUG_FLOW 1
     93 #define DEBUG_LIMIT_WIND_SUM 4
     94 #define DEBUG_MARK_DONE 1
     95 #define DEBUG_PATH_CONSTRUCTION 1
     96 #define DEBUG_SHOW_TEST_NAME 1
     97 #define DEBUG_SHOW_TEST_PROGRESS 1
     98 #define DEBUG_SHOW_WINDING 0
     99 #define DEBUG_SORT 1
    100 #define DEBUG_SORT_COMPACT 0
    101 #define DEBUG_SORT_RAW 0
    102 #define DEBUG_SORT_SINGLE 0
    103 #define DEBUG_SWAP_TOP 1
    104 #define DEBUG_UNSORTABLE 1
    105 #define DEBUG_VALIDATE 0
    106 #define DEBUG_WIND_BUMP 0
    107 #define DEBUG_WINDING 1
    108 #define DEBUG_WINDING_AT_T 1
    109 
    110 #endif
    111 
    112 #if DEBUG_AS_C_CODE
    113 #define CUBIC_DEBUG_STR "{{%1.9g,%1.9g}, {%1.9g,%1.9g}, {%1.9g,%1.9g}, {%1.9g,%1.9g}}"
    114 #define QUAD_DEBUG_STR  "{{%1.9g,%1.9g}, {%1.9g,%1.9g}, {%1.9g,%1.9g}}"
    115 #define LINE_DEBUG_STR  "{{%1.9g,%1.9g}, {%1.9g,%1.9g}}"
    116 #define PT_DEBUG_STR "{{%1.9g,%1.9g}}"
    117 #else
    118 #define CUBIC_DEBUG_STR "(%1.9g,%1.9g %1.9g,%1.9g %1.9g,%1.9g %1.9g,%1.9g)"
    119 #define QUAD_DEBUG_STR  "(%1.9g,%1.9g %1.9g,%1.9g %1.9g,%1.9g)"
    120 #define LINE_DEBUG_STR  "(%1.9g,%1.9g %1.9g,%1.9g)"
    121 #define PT_DEBUG_STR "(%1.9g,%1.9g)"
    122 #endif
    123 #define T_DEBUG_STR(t, n) #t "[" #n "]=%1.9g"
    124 #define TX_DEBUG_STR(t) #t "[%d]=%1.9g"
    125 #define CUBIC_DEBUG_DATA(c) c[0].fX, c[0].fY, c[1].fX, c[1].fY, c[2].fX, c[2].fY, c[3].fX, c[3].fY
    126 #define QUAD_DEBUG_DATA(q)  q[0].fX, q[0].fY, q[1].fX, q[1].fY, q[2].fX, q[2].fY
    127 #define LINE_DEBUG_DATA(l)  l[0].fX, l[0].fY, l[1].fX, l[1].fY
    128 #define PT_DEBUG_DATA(i, n) i.pt(n).asSkPoint().fX, i.pt(n).asSkPoint().fY
    129 
    130 #ifndef DEBUG_TEST
    131 #define DEBUG_TEST 0
    132 #endif
    133 
    134 #if DEBUG_SHOW_TEST_NAME
    135 #include "SkTLS.h"
    136 #endif
    137 
    138 #include "SkTArray.h"
    139 #include "SkTDArray.h"
    140 
    141 class SkPathOpsDebug {
    142 public:
    143     static const char* kLVerbStr[];
    144 
    145 #if defined(SK_DEBUG) || !FORCE_RELEASE
    146     static int gContourID;
    147     static int gSegmentID;
    148 #endif
    149 
    150 #if DEBUG_SORT || DEBUG_SWAP_TOP
    151     static int gSortCountDefault;
    152     static int gSortCount;
    153 #endif
    154 
    155 #if DEBUG_ACTIVE_OP
    156     static const char* kPathOpStr[];
    157 #endif
    158 
    159     static bool ChaseContains(const SkTDArray<struct SkOpSpan *>& , const struct SkOpSpan * );
    160     static void MathematicaIze(char* str, size_t bufferSize);
    161     static bool ValidWind(int winding);
    162     static void WindingPrintf(int winding);
    163 
    164 #if DEBUG_SHOW_TEST_NAME
    165     static void* CreateNameStr();
    166     static void DeleteNameStr(void* v);
    167 #define DEBUG_FILENAME_STRING_LENGTH 64
    168 #define DEBUG_FILENAME_STRING (reinterpret_cast<char* >(SkTLS::Get(SkPathOpsDebug::CreateNameStr, \
    169         SkPathOpsDebug::DeleteNameStr)))
    170     static void BumpTestName(char* );
    171 #endif
    172     static void ShowPath(const SkPath& one, const SkPath& two, SkPathOp op, const char* name);
    173     static void DumpCoincidence(const SkTArray<class SkOpContour, true>& contours);
    174     static void DumpCoincidence(const SkTArray<class SkOpContour* , true>& contours);
    175     static void DumpContours(const SkTArray<class SkOpContour, true>& contours);
    176     static void DumpContours(const SkTArray<class SkOpContour* , true>& contours);
    177     static void DumpContourAngles(const SkTArray<class SkOpContour, true>& contours);
    178     static void DumpContourAngles(const SkTArray<class SkOpContour* , true>& contours);
    179     static void DumpContourPt(const SkTArray<class SkOpContour, true>& contours, int id);
    180     static void DumpContourPt(const SkTArray<class SkOpContour* , true>& contours, int id);
    181     static void DumpContourPts(const SkTArray<class SkOpContour, true>& contours);
    182     static void DumpContourPts(const SkTArray<class SkOpContour* , true>& contours);
    183     static void DumpContourSpan(const SkTArray<class SkOpContour, true>& contours, int id);
    184     static void DumpContourSpan(const SkTArray<class SkOpContour* , true>& contours, int id);
    185     static void DumpContourSpans(const SkTArray<class SkOpContour, true>& contours);
    186     static void DumpContourSpans(const SkTArray<class SkOpContour* , true>& contours);
    187     static void DumpSpans(const SkTDArray<struct SkOpSpan *>& );
    188     static void DumpSpans(const SkTDArray<struct SkOpSpan *>* );
    189 };
    190 
    191 // shorthand for calling from debugger
    192 void Dump(const SkTArray<class SkOpContour, true>& contours);
    193 void Dump(const SkTArray<class SkOpContour* , true>& contours);
    194 void Dump(const SkTArray<class SkOpContour, true>* contours);
    195 void Dump(const SkTArray<class SkOpContour* , true>* contours);
    196 
    197 void Dump(const SkTDArray<SkOpSpan* >& chase);
    198 void Dump(const SkTDArray<SkOpSpan* >* chase);
    199 
    200 void DumpAngles(const SkTArray<class SkOpContour, true>& contours);
    201 void DumpAngles(const SkTArray<class SkOpContour* , true>& contours);
    202 void DumpAngles(const SkTArray<class SkOpContour, true>* contours);
    203 void DumpAngles(const SkTArray<class SkOpContour* , true>* contours);
    204 
    205 void DumpCoin(const SkTArray<class SkOpContour, true>& contours);
    206 void DumpCoin(const SkTArray<class SkOpContour* , true>& contours);
    207 void DumpCoin(const SkTArray<class SkOpContour, true>* contours);
    208 void DumpCoin(const SkTArray<class SkOpContour* , true>* contours);
    209 
    210 void DumpPts(const SkTArray<class SkOpContour, true>& contours);
    211 void DumpPts(const SkTArray<class SkOpContour* , true>& contours);
    212 void DumpPts(const SkTArray<class SkOpContour, true>* contours);
    213 void DumpPts(const SkTArray<class SkOpContour* , true>* contours);
    214 
    215 void DumpPt(const SkTArray<class SkOpContour, true>& contours, int segmentID);
    216 void DumpPt(const SkTArray<class SkOpContour* , true>& contours, int segmentID);
    217 void DumpPt(const SkTArray<class SkOpContour, true>* contours, int segmentID);
    218 void DumpPt(const SkTArray<class SkOpContour* , true>* contours, int segmentID);
    219 
    220 void DumpSpans(const SkTArray<class SkOpContour, true>& contours);
    221 void DumpSpans(const SkTArray<class SkOpContour* , true>& contours);
    222 void DumpSpans(const SkTArray<class SkOpContour, true>* contours);
    223 void DumpSpans(const SkTArray<class SkOpContour* , true>* contours);
    224 
    225 void DumpSpan(const SkTArray<class SkOpContour, true>& contours, int segmentID);
    226 void DumpSpan(const SkTArray<class SkOpContour* , true>& contours, int segmentID);
    227 void DumpSpan(const SkTArray<class SkOpContour, true>* contours, int segmentID);
    228 void DumpSpan(const SkTArray<class SkOpContour* , true>* contours, int segmentID);
    229 
    230 // generates tools/path_sorter.htm and path_visualizer.htm compatible data
    231 void DumpQ(const struct SkDQuad& quad1, const struct SkDQuad& quad2, int testNo);
    232 
    233 void DumpT(const struct SkDQuad& quad, double t);
    234 
    235 #endif
    236