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