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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "TrackerCalibrator.h"
#include "../base/GLMHelper.h"
#include "../base/TestSuite.h"
#include "../base/Exception.h"
#include "../base/Logger.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
using namespace avg;
using namespace std;
class CalibratorTest: public Test {
public:
CalibratorTest()
: Test("CalibratorTest", 2)
{
}
void runTests()
{
DeDistortPtr pTrafo;
{
TrackerCalibrator calibrator(IntPoint(640, 480), IntPoint(640,480));
bool bDone = false;
while (!bDone) {
IntPoint displayPoint(calibrator.getDisplayPoint());
calibrator.setCamPoint(glm::vec2(displayPoint));
bDone = !calibrator.nextPoint();
}
pTrafo = calibrator.makeTransformer();
TEST(glm::length(pTrafo->transformBlobToScreen(glm::dvec2(1.00,1.00)) -
glm::dvec2(1.00,1.00)) < 1);
TEST(checkTransform(pTrafo, glm::dvec2(0,0), glm::dvec2(0,0)));
TEST(checkTransform(pTrafo, glm::dvec2(640, 480), glm::dvec2(640, 480)));
}
{
TrackerCalibrator calibrator(IntPoint(640, 480), IntPoint(1280,720));
bool bDone = false;
while (!bDone) {
IntPoint displayPoint(calibrator.getDisplayPoint());
calibrator.setCamPoint(glm::vec2(displayPoint.x/2, displayPoint.y/1.5));
bDone = !calibrator.nextPoint();
}
pTrafo = calibrator.makeTransformer();
TEST(glm::length(pTrafo->transformBlobToScreen(glm::dvec2(1.00,1.00)) -
glm::dvec2(2.00,1.50)) < 1);
TEST(checkTransform(pTrafo, glm::dvec2(0,0), glm::dvec2(0,0)));
TEST(checkTransform(pTrafo, glm::dvec2(640, 480), glm::dvec2(640, 480)));
TEST(checkBlobToScreen(pTrafo, glm::dvec2(0,0), glm::dvec2(0,0)));
TEST(checkBlobToScreen(pTrafo, glm::dvec2(640, 480), glm::dvec2(1280, 720)));
}
}
bool checkTransform(CoordTransformerPtr pTrafo, const glm::dvec2& srcPt,
const glm::dvec2& destPt)
{
glm::dvec2 ResultPt = pTrafo->transform_point(srcPt);
// cerr << srcPt << " -> " << ResultPt << ", expected " << destPt << endl;
return ((fabs(ResultPt.x-destPt.x) < 0.1) && (fabs(ResultPt.y-destPt.y) < 0.1));
}
bool checkBlobToScreen(DeDistortPtr pTrafo,
const glm::dvec2& srcPt, const glm::dvec2& destPt)
{
glm::dvec2 ResultPt =
pTrafo->transformBlobToScreen(pTrafo->transform_point(srcPt));
// cerr << srcPt << " -> " << ResultPt << ", expected " << destPt << endl;
return ((fabs(ResultPt.x-destPt.x) < 1) && (fabs(ResultPt.y-destPt.y) < 1));
}
};
class CalibratorTestSuite: public TestSuite {
public:
CalibratorTestSuite()
: TestSuite("CalibratorTestSuite")
{
addTest(TestPtr(new CalibratorTest));
}
};
int main(int nargs, char** args)
{
CalibratorTestSuite suite;
suite.runTests();
bool bOK = suite.isOk();
if (bOK) {
return 0;
} else {
return 1;
}
}
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