perftest for floodfill

modules/imgproc/perf/perf_floodfill.cpp

+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+
+// Copyright (C) 2014, Itseez, Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+
+#include "perf_precomp.hpp"
+
+using namespace std;
+using namespace cv;
+using namespace perf;
+using namespace testing;
+using std::tr1::make_tuple;
+using std::tr1::get;
+
+typedef std::tr1::tuple<string, Point, int, int, int, int> Size_Source_Fl_t;
+typedef perf::TestBaseWithParam<Size_Source_Fl_t> Size_Source_Fl;
+
+PERF_TEST_P(Size_Source_Fl, floodFill1, Combine(
+    testing::Values("cv/shared/fruits.png", "cv/optflow/RubberWhale1.png"), //images
+            testing::Values(Point(120, 82), Point(200, 140)), //seed points
+            testing::Values(4,8), //connectivity
+            testing::Values((int)IMREAD_COLOR, (int)IMREAD_GRAYSCALE), //color image, or not
+            testing::Values(0, 1, 2), //use fixed(1), gradient (2) or simple(0) mode
+            testing::Values((int)CV_8U, (int)CV_32F, (int)CV_32S) //image depth
+            ))
+{
+    //test given image(s)
+    string filename = getDataPath(get<0>(GetParam()));
+    Point pseed;
+    pseed = get<1>(GetParam());
+
+    int connectivity = get<2>(GetParam());
+    int colorType = get<3>(GetParam());
+    int modeType = get<4>(GetParam());
+    int imdepth = get<5>(GetParam());
+
+    Mat image0 = imread(filename, colorType);
+
+    Scalar newval, loVal, upVal;
+    if (modeType == 0)
+    {
+        loVal = Scalar(0, 0, 0);
+        upVal = Scalar(0, 0, 0);
+    }
+    else
+    {
+        loVal = Scalar(4, 4, 4);
+        upVal = Scalar(20, 20, 20);
+    }
+    int newMaskVal = 255;  //base mask for floodfill type
+    int flags = connectivity + (newMaskVal << 8) + (modeType == 1 ? FLOODFILL_FIXED_RANGE : 0);
+
+    int b = 152;//(unsigned)theRNG() & 255;
+    int g = 136;//(unsigned)theRNG() & 255;
+    int r = 53;//(unsigned)theRNG() & 255;
+    newval = (colorType == IMREAD_COLOR) ? Scalar(b, g, r) : Scalar(r*0.299 + g*0.587 + b*0.114);
+
+    Rect outputRect = Rect();
+    Mat source = Mat();
+
+    for (;  next(); )
+    {
+        image0.convertTo(source, imdepth);
+        startTimer();
+        cv::floodFill(source, pseed, newval, &outputRect, loVal, upVal, flags);
+        stopTimer();
+    }
+    EXPECT_EQ(image0.cols, source.cols);
+    EXPECT_EQ(image0.rows, source.rows);
+    SANITY_CHECK_NOTHING();
+}