path ops -- rewrite angle sort

tests/PathOpsSkpClipTest.cpp

 #include "SkBitmap.h"
 #include "SkDevice.h"
 #include "SkCanvas.h"
+#include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkStream.h"
 #include "SkOSFile.h"
 #include "SkPicture.h"
 #include "SkString.h"
 #include "Test.h"
 
 static void make_filepath(SkString* path, const char* dir, const SkString& name) {
     size_t len = strlen(dir);
     path->set(dir);
     if (len > 0 && dir[len - 1] != '/') {
         path->append("\\");
     }
     path->append(name);
 }
 
 static void PathOpsSkpClipTest(skiatest::Reporter* reporter) {
-const char pictDir[] = "C:\\Users\\caryclark\\skp";
-    const char outSkpClipDir[] = "C:\\Users\\caryclark\\skpClip";
-    const char outOldClipDir[] = "C:\\Users\\caryclark\\oldClip";
+    const char pictDir[] = "D:\\skp";
+    const char outSkpClipDir[] = "D:\\skpClip";
+    const char outOldClipDir[] = "D:\\oldClip";
     SkOSFile::Iter iter(pictDir, "skp");
     SkString filename;
     while (iter.next(&filename)) {
-#if 0
-        if (strcmp(filename.c_str(), "tabl_androidpolice.skp")) {
+#if 01
+        if (strcmp(filename.c_str(), "desk_15min-lt.skp")) {
             continue;
         }
 #endif
         SkString path;
         make_filepath(&path, pictDir, filename);
         SkFILEStream stream(path.c_str());
         if (!stream.isValid()) {
             continue;
         }
-        SkPicture* pic = SkNEW_ARGS(SkPicture, (&stream));
+        bool success;
+        SkPicture* pic = SkNEW_ARGS(SkPicture, (&stream, &success, &SkImageDecoder::DecodeMemory));
+        if (!success) {
+            continue;
+        }
         int width = pic->width();
         int height = pic->height();
         SkBitmap bitmap;
         bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
         bitmap.allocPixels();
         SkCanvas canvas(bitmap);
         filename.remove(filename.size() - 3, 3);
         filename.append("png");
         for (int i = 0; i < 2; ++i) {
             bool useOp = i ? true : false;
             canvas.setAllowSimplifyClip(useOp);
             pic->draw(&canvas);
             SkString outFile;
             make_filepath(&outFile, useOp ? outSkpClipDir : outOldClipDir, filename);
             SkImageEncoder::EncodeFile(outFile.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100);
         }
         SkDELETE(pic);
         reporter->bumpTestCount();
     }
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS_SHORT(PathOpsSkpClipTest)