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 "PathOpsExtendedTest.h"
8 #include "PathOpsThreadedCommon.h"
9 
add_point(char * str,SkScalar x,SkScalar y)10 static int add_point(char* str, SkScalar x, SkScalar y) {
11     int result;
12     int asInt = SkScalarRoundToInt(x);
13     if (SkIntToScalar(asInt) == x) {
14         result = sprintf(str, "%d", asInt);
15     } else {
16         result = sprintf(str, "%1.9gf", x);
17     }
18     result += sprintf(str + result, ",");
19     asInt = SkScalarRoundToInt(y);
20     if (SkIntToScalar(asInt) == y) {
21         result += sprintf(str + result, "%d", asInt);
22     } else {
23         result += sprintf(str + result, "%1.9gf", y);
24     }
25     return result;
26 }
27 
testOpLoopsMain(PathOpsThreadState * data)28 static void testOpLoopsMain(PathOpsThreadState* data) {
29 #if DEBUG_SHOW_TEST_NAME
30     strncpy(DEBUG_FILENAME_STRING, "", DEBUG_FILENAME_STRING_LENGTH);
31 #endif
32     SkASSERT(data);
33     PathOpsThreadState& state = *data;
34     char pathStr[1024];  // gdb: set print elements 400
35     bool progress = state.fReporter->verbose(); // FIXME: break out into its own parameter?
36     if (progress) {
37         sk_bzero(pathStr, sizeof(pathStr));
38     }
39     for (int a = 0 ; a < 6; ++a) {
40         for (int b = a + 1 ; b < 7; ++b) {
41             for (int c = 0 ; c < 6; ++c) {
42                 for (int d = c + 1 ; d < 7; ++d) {
43         // define 4 points that form two lines that often cross; one line is (a, b) (c, d)
44         SkVector v = {SkIntToScalar(a - c), SkIntToScalar(b - d)};
45         SkPoint midA = { SkIntToScalar(a * state.fA + c * (6 - state.fA)) / 6,
46                          SkIntToScalar(b * state.fA + d * (6 - state.fA)) / 6 };
47         SkPoint midB = { SkIntToScalar(a * state.fB + c * (6 - state.fB)) / 6,
48                          SkIntToScalar(b * state.fB + d * (6 - state.fB)) / 6 };
49         SkPoint endC = { midA.fX + v.fY * state.fC / 3,
50                           midA.fY + v.fX * state.fC / 3 };
51         SkPoint endD = { midB.fX - v.fY * state.fD / 3,
52                           midB.fY + v.fX * state.fD / 3 };
53         SkPath pathA, pathB;
54         if (progress) {
55             char* str = pathStr;
56             const int loopNo = 17;
57             str += sprintf(str, "static void loop%d(skiatest::Reporter* reporter,"
58                     " const char* filename) {\n", loopNo);
59             str += sprintf(str, "    SkPath path, pathB;\n");
60             str += sprintf(str, "    path.moveTo(%d,%d);\n", a, b);
61             str += sprintf(str, "    path.cubicTo(%d,%d, ", c, d);
62             str += add_point(str, endC.fX, endC.fY);
63             str += sprintf(str, ", ");
64             str += add_point(str, endD.fX, endD.fY);
65             str += sprintf(str, ");\n");
66             str += sprintf(str, "    path.close();\n");
67             str += sprintf(str, "    pathB.moveTo(%d,%d);\n", c, d);
68             str += sprintf(str, "    pathB.cubicTo(");
69             str += add_point(str, endC.fX, endC.fY);
70             str += sprintf(str, ", ");
71             str += add_point(str, endD.fX, endD.fY);
72             str += sprintf(str, ", %d,%d);\n", a, b);
73             str += sprintf(str, "    pathB.close();\n");
74             str += sprintf(str, "    testPathOp(reporter, path, pathB, kIntersect_SkPathOp,"
75                     " filename);\n");
76             str += sprintf(str, "}\n");
77         }
78         pathA.moveTo(SkIntToScalar(a), SkIntToScalar(b));
79         pathA.cubicTo(SkIntToScalar(c), SkIntToScalar(d), endC.fX, endC.fY, endD.fX, endD.fY);
80         pathA.close();
81         pathB.moveTo(SkIntToScalar(c), SkIntToScalar(d));
82         pathB.cubicTo(endC.fX, endC.fY, endD.fX, endD.fY, SkIntToScalar(a), SkIntToScalar(b));
83         pathB.close();
84 //        SkDebugf("%s\n", pathStr);
85         if (progress) {
86             outputProgress(state.fPathStr, pathStr, kIntersect_SkPathOp);
87         }
88         testPathOp(state.fReporter, pathA, pathB, kIntersect_SkPathOp, "loops");
89                 }
90             }
91         }
92     }
93 }
94 
DEF_TEST(PathOpsOpLoopsThreaded,reporter)95 DEF_TEST(PathOpsOpLoopsThreaded, reporter) {
96     initializeTests(reporter, "loopOp");
97     PathOpsThreadedTestRunner testRunner(reporter);
98     for (int a = 0; a < 6; ++a) {  // outermost
99         for (int b = a + 1; b < 7; ++b) {
100             for (int c = 0 ; c < 6; ++c) {
101                 for (int d = c + 1; d < 7; ++d) {
102                     *testRunner.fRunnables.append() = SkNEW_ARGS(PathOpsThreadedRunnable,
103                             (&testOpLoopsMain, a, b, c, d, &testRunner));
104                 }
105             }
106             if (!reporter->allowExtendedTest()) goto finish;
107         }
108     }
109 finish:
110     testRunner.render();
111     ShowTestArray("loopOp");
112 }
113