Add implementation of path ops

tests/PathOpsExtendedTest.h

+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef PathOpsExtendedTest_DEFINED
+#define PathOpsExtendedTest_DEFINED
+
+#include "Test.h"
+#include "SkPathOpsTypes.h"
+#include "SkBitmap.h"
+#include "SkPath.h"
+#include "SkStream.h"
+#include <pthread.h>
+
+struct State4;
+
+struct TestDesc {
+    void (*fun)(skiatest::Reporter*);
+    const char* str;
+};
+
+extern bool gShowTestProgress;
+extern bool gAllowExtendedTest;
+
+//extern int comparePaths(const SkPath& one, const SkPath& two);
+extern int comparePaths(const SkPath& one, const SkPath& two, SkBitmap& bitmap);
+extern bool drawAsciiPaths(const SkPath& one, const SkPath& two, bool drawPaths);
+extern void showOp(const SkPathOp op);
+extern void showPath(const SkPath& path, const char* str);
+extern void showPath(const SkPath& path);
+extern void showPathData(const SkPath& path);
+extern bool testPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
+                        const SkPathOp );
+extern bool testSimplify(SkPath& path, bool useXor, SkPath& out,
+                         State4& state, const char* pathStr);
+extern bool testSimplify(skiatest::Reporter* reporter, const SkPath& path);
+
+struct State4 {
+    State4();
+    static pthread_mutex_t addQueue;
+    static pthread_cond_t checkQueue;
+    pthread_cond_t initialized;
+    static State4* queue;
+    pthread_t threadID;
+    int index;
+    bool done;
+    bool last;
+    int a;
+    int b;
+    int c;
+    int d; // sometimes 1 if abc_is_a_triangle
+    int testsRun;
+    char filename[256];
+    skiatest::Reporter* reporter;
+    SkBitmap bitmap;
+};
+
+void createThread(State4* statePtr, void* (*test)(void* ));
+int dispatchTest4(void* (*testFun)(void* ), int a, int b, int c, int d);
+void initializeTests(skiatest::Reporter* reporter, const char* testName, size_t testNameSize);
+void outputProgress(const State4& state, const char* pathStr, SkPath::FillType );
+void outputProgress(const State4& state, const char* pathStr, SkPathOp op);
+void outputToStream(const State4& state, const char* pathStr, const char* pathPrefix,
+                    const char* nameSuffix,
+                    const char* testFunction, SkWStream& outFile);
+bool runNextTestSet(State4& state);
+int waitForCompletion();
+
+void RunTestSet(skiatest::Reporter* reporter, TestDesc tests[], size_t count,
+                void (*firstTest)(skiatest::Reporter* ),
+                void (*stopTest)(skiatest::Reporter* ), bool reverse);
+
+#endif