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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 
     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 
     70 DEF_TEST(PathOpsSimplifyDegeneratesThreaded, reporter) {
     71     initializeTests(reporter, "testDegenerates");
     72     PathOpsThreadedTestRunner testRunner(reporter);
     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() = new PathOpsThreadedRunnable(
     84                         &testSimplifyDegeneratesMain, a, b, c, abcIsATriangle, &testRunner);
     85             }
     86             if (!reporter->allowExtendedTest()) goto finish;
     87         }
     88     }
     89 finish:
     90     testRunner.render();
     91 }
     92