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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 #include "PathOpsExtendedTest.h"
8 #include "PathOpsThreadedCommon.h"
9 
testSimplifyDegeneratesMain(PathOpsThreadState * data)10 static void testSimplifyDegeneratesMain(PathOpsThreadState* data) {
11     SkASSERT(data);
12     PathOpsThreadState& state = *data;
13     char pathStr[1024];
14     bool progress = state.fReporter->verbose(); // FIXME: break out into its own parameter?
15     if (progress) {
16         sk_bzero(pathStr, sizeof(pathStr));
17     }
18     int ax = state.fA & 0x03;
19     int ay = state.fA >> 2;
20     int bx = state.fB & 0x03;
21     int by = state.fB >> 2;
22     int cx = state.fC & 0x03;
23     int cy = state.fC >> 2;
24     for (int d = 0; d < 16; ++d) {
25         int dx = d & 0x03;
26         int dy = d >> 2;
27         for (int e = d ; e < 16; ++e) {
28             int ex = e & 0x03;
29             int ey = e >> 2;
30             for (int f = d ; f < 16; ++f) {
31                 int fx = f & 0x03;
32                 int fy = f >> 2;
33                 if (state.fD && (ex - dx) * (fy - dy)
34                         != (ey - dy) * (fx - dx)) {
35                     continue;
36                 }
37                 SkPath path, out;
38                 path.setFillType(SkPath::kWinding_FillType);
39                 path.moveTo(SkIntToScalar(ax), SkIntToScalar(ay));
40                 path.lineTo(SkIntToScalar(bx), SkIntToScalar(by));
41                 path.lineTo(SkIntToScalar(cx), SkIntToScalar(cy));
42                 path.close();
43                 path.moveTo(SkIntToScalar(dx), SkIntToScalar(dy));
44                 path.lineTo(SkIntToScalar(ex), SkIntToScalar(ey));
45                 path.lineTo(SkIntToScalar(fx), SkIntToScalar(fy));
46                 path.close();
47                 if (progress) {
48                     char* str = pathStr;
49                     str += sprintf(str, "    path.moveTo(%d, %d);\n", ax, ay);
50                     str += sprintf(str, "    path.lineTo(%d, %d);\n", bx, by);
51                     str += sprintf(str, "    path.lineTo(%d, %d);\n", cx, cy);
52                     str += sprintf(str, "    path.close();\n");
53                     str += sprintf(str, "    path.moveTo(%d, %d);\n", dx, dy);
54                     str += sprintf(str, "    path.lineTo(%d, %d);\n", ex, ey);
55                     str += sprintf(str, "    path.lineTo(%d, %d);\n", fx, fy);
56                     str += sprintf(str, "    path.close();\n");
57                     outputProgress(state.fPathStr, pathStr, SkPath::kWinding_FillType);
58                 }
59                 testSimplify(path, false, out, state, pathStr);
60                 path.setFillType(SkPath::kEvenOdd_FillType);
61                 if (progress) {
62                     outputProgress(state.fPathStr, pathStr, SkPath::kEvenOdd_FillType);
63                 }
64                 testSimplify(path, true, out, state, pathStr);
65             }
66         }
67     }
68 }
69 
DEF_TEST(PathOpsSimplifyDegeneratesThreaded,reporter)70 DEF_TEST(PathOpsSimplifyDegeneratesThreaded, reporter) {
71     int threadCount = initializeTests(reporter, "testDegenerates");
72     PathOpsThreadedTestRunner testRunner(reporter, threadCount);
73     for (int a = 0; a < 16; ++a) {
74         int ax = a & 0x03;
75         int ay = a >> 2;
76         for (int b = a ; b < 16; ++b) {
77             int bx = b & 0x03;
78             int by = b >> 2;
79             for (int c = a ; c < 16; ++c) {
80                 int cx = c & 0x03;
81                 int cy = c >> 2;
82                 bool abcIsATriangle = (bx - ax) * (cy - ay) != (by - ay) * (cx - ax);
83                 *testRunner.fRunnables.append() = SkNEW_ARGS(PathOpsThreadedRunnable,
84                         (&testSimplifyDegeneratesMain, a, b, c, abcIsATriangle,
85                         &testRunner));
86             }
87             if (!reporter->allowExtendedTest()) goto finish;
88         }
89     }
90 finish:
91     testRunner.render();
92 }
93