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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 "PathOpsExtendedTest.h"
      8 #include "PathOpsThreadedCommon.h"
      9 
     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 
     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 
     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() =
    103                             new PathOpsThreadedRunnable(&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