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1  /*
2   * Copyright 2014 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  #include "include/core/SkString.h"
8  #include "tests/PathOpsDebug.h"
9  #include "tests/PathOpsExtendedTest.h"
10  #include "tests/PathOpsThreadedCommon.h"
11  
12  #include <atomic>
13  
14  static int loopNo = 17;
15  
add_point(SkString * str,SkScalar x,SkScalar y)16  static void add_point(SkString* str, SkScalar x, SkScalar y) {
17      int asInt = SkScalarRoundToInt(x);
18      if (SkIntToScalar(asInt) == x) {
19          str->appendf("%d", asInt);
20      } else {
21          str->appendf("%1.9gf", x);
22      }
23      str->appendf(",");
24      asInt = SkScalarRoundToInt(y);
25      if (SkIntToScalar(asInt) == y) {
26          str->appendf("%d", asInt);
27      } else {
28          str->appendf("%1.9gf", y);
29      }
30  }
31  
32  static std::atomic<int> gLoopsTestNo{0};
33  
testOpLoopsMain(PathOpsThreadState * data)34  static void testOpLoopsMain(PathOpsThreadState* data) {
35  #if DEBUG_SHOW_TEST_NAME
36      strncpy(DEBUG_FILENAME_STRING, "", DEBUG_FILENAME_STRING_LENGTH);
37  #endif
38      SkASSERT(data);
39      PathOpsThreadState& state = *data;
40      SkString pathStr;
41      for (int a = 0 ; a < 6; ++a) {
42          for (int b = a + 1 ; b < 7; ++b) {
43              for (int c = 0 ; c < 6; ++c) {
44                  for (int d = c + 1 ; d < 7; ++d) {
45          // define 4 points that form two lines that often cross; one line is (a, b) (c, d)
46          SkVector v = {SkIntToScalar(a - c), SkIntToScalar(b - d)};
47          SkPoint midA = { SkIntToScalar(a * state.fA + c * (6 - state.fA)) / 6,
48                           SkIntToScalar(b * state.fA + d * (6 - state.fA)) / 6 };
49          SkPoint midB = { SkIntToScalar(a * state.fB + c * (6 - state.fB)) / 6,
50                           SkIntToScalar(b * state.fB + d * (6 - state.fB)) / 6 };
51          SkPoint endC = { midA.fX + v.fY * state.fC / 3,
52                            midA.fY + v.fX * state.fC / 3 };
53          SkPoint endD = { midB.fX - v.fY * state.fD / 3,
54                            midB.fY + v.fX * state.fD / 3 };
55          SkPath pathA, pathB;
56          pathA.moveTo(SkIntToScalar(a), SkIntToScalar(b));
57          pathA.cubicTo(SkIntToScalar(c), SkIntToScalar(d), endC.fX, endC.fY, endD.fX, endD.fY);
58          pathA.close();
59          pathB.moveTo(SkIntToScalar(c), SkIntToScalar(d));
60          pathB.cubicTo(endC.fX, endC.fY, endD.fX, endD.fY, SkIntToScalar(a), SkIntToScalar(b));
61          pathB.close();
62  //        SkDebugf("%s\n", pathStr);
63          if (state.fReporter->verbose()) {
64              pathStr.printf("static void loop%d(skiatest::Reporter* reporter,"
65                      " const char* filename) {\n", loopNo);
66              pathStr.appendf("    SkPath path, pathB;\n");
67              pathStr.appendf("    path.moveTo(%d,%d);\n", a, b);
68              pathStr.appendf("    path.cubicTo(%d,%d, ", c, d);
69              add_point(&pathStr, endC.fX, endC.fY);
70              pathStr.appendf(", ");
71              add_point(&pathStr, endD.fX, endD.fY);
72              pathStr.appendf(");\n");
73              pathStr.appendf("    path.close();\n");
74              pathStr.appendf("    pathB.moveTo(%d,%d);\n", c, d);
75              pathStr.appendf("    pathB.cubicTo(");
76              add_point(&pathStr, endC.fX, endC.fY);
77              pathStr.appendf(", ");
78              add_point(&pathStr, endD.fX, endD.fY);
79              pathStr.appendf(", %d,%d);\n", a, b);
80              pathStr.appendf("    pathB.close();\n");
81              pathStr.appendf("    testPathOp(reporter, path, pathB, kIntersect_SkPathOp,"
82                      " filename);\n");
83              pathStr.appendf("}\n");
84              state.outputProgress(pathStr.c_str(), kIntersect_SkPathOp);
85          }
86          SkString testName;
87          testName.printf("thread_loops%d", ++gLoopsTestNo);
88          testPathOp(state.fReporter, pathA, pathB, kIntersect_SkPathOp, testName.c_str());
89          if (PathOpsDebug::gCheckForDuplicateNames) return;
90                  }
91              }
92          }
93      }
94  }
95  
DEF_TEST(PathOpsOpLoopsThreaded,reporter)96  DEF_TEST(PathOpsOpLoopsThreaded, reporter) {
97      initializeTests(reporter, "loopOp");
98      PathOpsThreadedTestRunner testRunner(reporter);
99      for (int a = 0; a < 6; ++a) {  // outermost
100          for (int b = a + 1; b < 7; ++b) {
101              for (int c = 0 ; c < 6; ++c) {
102                  for (int d = c + 1; d < 7; ++d) {
103                      *testRunner.fRunnables.append() =
104                              new PathOpsThreadedRunnable(&testOpLoopsMain, a, b, c, d, &testRunner);
105                  }
106              }
107              if (!reporter->allowExtendedTest()) goto finish;
108          }
109      }
110  finish:
111      testRunner.render();
112  }
113