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//------------------------------------------------------------------------
// Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
//
// This file is part of the ZBar Bar Code Reader.
//
// The ZBar Bar Code Reader is free software; you can redistribute it
// and/or modify it under the terms of the GNU Lesser Public License as
// published by the Free Software Foundation; either version 2.1 of
// the License, or (at your option) any later version.
//
// The ZBar Bar Code Reader 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 Public License for more details.
//
// You should have received a copy of the GNU Lesser Public License
// along with the ZBar Bar Code Reader; if not, write to the Free
// Software Foundation, Inc., 51 Franklin St, Fifth Floor,
// Boston, MA 02110-1301 USA
//
// http://sourceforge.net/projects/zbar
//------------------------------------------------------------------------
// NB do not put anything before this header
// it's here to check that we didn't omit any dependencies
#include <zbar.h>
#include <iomanip>
#include <iostream>
#include <sstream>
#include "test_images.h"
bool debug = false;
bool verbose = false;
int errors = 0;
zbar::zbar_symbol_type_t expect_type = zbar::ZBAR_NONE;
std::string expect_data;
template <class T> inline std::string to_string(const T &t)
{
std::stringstream ss;
ss << t;
return ss.str();
}
static inline int error(const std::string &msg)
{
errors++;
std::cerr << "ERROR: " << msg << std::endl;
if (debug)
abort();
return (-1);
}
static inline int check_loc(const zbar::Image &img, const zbar::Symbol &sym)
{
int n = 0;
int w = img.get_width();
int h = img.get_height();
for (zbar::Symbol::PointIterator p(sym.point_begin()); p != sym.point_end();
++p, n++) {
zbar::Symbol::Point q(*p);
if (q.x < 0 || q.x >= w || q.y < 0 || q.y >= h)
error("location point out of range");
}
return (!n);
}
static inline int check_symbol(const zbar::Image &img, const zbar::Symbol &sym)
{
zbar::zbar_symbol_type_t type(sym.get_type());
std::string data(sym.get_data());
bool pass = expect_type && type == expect_type && data == expect_data &&
sym.get_data_length() == expect_data.length() &&
sym.get_quality() > 4;
if (pass)
pass = !check_loc(img, sym);
if (verbose || !pass)
std::cerr << "decode Symbol: " << sym << std::endl;
if (!expect_type)
error("unexpected");
else if (!pass)
error(std::string("expected: ") +
zbar::zbar_get_symbol_name(expect_type) + " " + expect_data);
expect_type = zbar::ZBAR_NONE;
expect_data = "";
return (!pass);
}
static inline int check_image(const zbar::Image &img)
{
zbar::SymbolSet syms(img.get_symbols());
int setn = syms.get_size(), countn = 0;
int rc = 0;
for (zbar::SymbolIterator sym(syms.symbol_begin());
sym != syms.symbol_end(); ++sym, ++countn)
rc |= check_symbol(img, *sym);
if (countn != setn)
rc |= error("SymbolSet size mismatch: exp=" + to_string(setn) +
" act=" + to_string(countn));
return (rc);
}
static inline void expect(zbar::zbar_symbol_type_t type, std::string data)
{
if (expect_type)
error(std::string("missing: ") + zbar_get_symbol_name(expect_type) +
" " + expect_data);
expect_type = type;
expect_data = data;
}
class Handler : public zbar::Image::Handler
{
void image_callback(zbar::Image &img);
};
void Handler::image_callback(zbar::Image &img)
{
bool unexpected = !expect_type;
if (unexpected)
error("unexpected image callback");
check_image(img);
}
static inline int test_processor()
{
// create processor w/no video and no window
zbar::Processor proc(debug, NULL);
Handler handler;
proc.set_handler(handler);
if (debug) {
proc.set_visible();
proc.user_wait();
}
// generate barcode test image
zbar::Image rgb3(0, 0, "RGB3");
// test cast to C image
if (test_image_ean13(rgb3))
error("failed to generate image");
// test decode
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
proc.process_image(rgb3);
if (debug)
proc.user_wait();
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
check_image(rgb3);
if (rgb3.get_format() != zbar_fourcc('R', 'G', 'B', '3'))
error("image format mismatch");
expect(zbar::ZBAR_NONE, "");
proc.set_config(zbar::ZBAR_EAN13, zbar::ZBAR_CFG_ENABLE, false);
proc.process_image(rgb3);
check_image(rgb3);
if (debug)
proc.user_wait();
proc.set_config("ean13.en");
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
proc << rgb3;
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
check_image(rgb3);
if (debug)
proc.user_wait();
{
zbar::Image grey(rgb3.convert(zbar_fourcc('G', 'R', 'E', 'Y')));
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
proc << grey;
zbar::Image y800 = grey.convert("Y800");
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
proc << y800;
}
if (debug)
// check image data retention
proc.user_wait();
expect(zbar::ZBAR_NONE, "");
return (0);
}
int main(int argc, char **argv)
{
debug = (argc > 1 && std::string(argv[1]) == "-d");
verbose = (debug || (argc > 1 && std::string(argv[1]) == "-v"));
if (test_processor()) {
error("ERROR: Processor test FAILED");
return (2);
}
if (test_image_check_cleanup())
error("cleanup failed");
if (errors) {
std::cout << "processor FAILED" << std::endl;
return (2);
} else {
std::cout << "processor PASSED." << std::endl;
return (0);
}
}
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