46 #include <visp3/core/vpConfig.h>
47 #include <visp3/core/vpDebug.h>
49 #if defined(HAVE_OPENCV_HIGHGUI)
51 #include <visp3/core/vpImage.h>
52 #include <visp3/core/vpIoTools.h>
53 #include <visp3/gui/vpDisplayOpenCV.h>
54 #include <visp3/io/vpImageIo.h>
55 #include <visp3/io/vpParseArgv.h>
57 #include <visp3/core/vpTime.h>
69 #define GETOPTARGS "cdi:o:p:h"
82 void usage(
const char *name,
const char *badparam, std::string ipath, std::string opath, std::string user)
85 Read an image on the disk, display it using OpenCV, display some\n\
86 features (line, circle, characters) in overlay and finally write \n\
87 the image and the overlayed features in an image on the disk.\n\
90 %s [-i <input image path>] [-o <output image path>]\n\
97 -i <input image path> %s\n\
98 Set image input path.\n\
99 From this path read \"Klimt/Klimt.pgm\"\n\
101 Setting the VISP_INPUT_IMAGE_PATH environment\n\
102 variable produces the same behaviour than using\n\
105 -o <output image path> %s\n\
106 Set image output path.\n\
107 From this directory, creates the \"%s\"\n\
108 subdirectory depending on the username, where \n\
109 Klimt_grey.overlay.ppm output image is written.\n\
112 Disable the mouse click. Useful to automate the \n\
113 execution of this program without human intervention.\n\
116 Disable the image display. This can be useful \n\
117 for automatic tests using crontab under Unix or \n\
118 using the task manager under Windows.\n\
121 Print the help.\n\n",
122 ipath.c_str(), opath.c_str(), user.c_str());
125 fprintf(stderr,
"ERROR: \n");
126 fprintf(stderr,
"\nBad parameter [%s]\n", badparam);
148 bool getOptions(
int argc,
const char **argv, std::string &ipath, std::string &opath,
bool &click_allowed,
149 const std::string &user,
bool &display)
157 click_allowed =
false;
169 usage(argv[0],
nullptr, ipath, opath, user);
174 usage(argv[0], optarg_, ipath, opath, user);
180 if ((c == 1) || (c == -1)) {
182 usage(argv[0],
nullptr, ipath, opath, user);
183 std::cerr <<
"ERROR: " << std::endl;
184 std::cerr <<
" Bad argument " << optarg_ << std::endl << std::endl;
191 int main(
int argc,
const char **argv)
194 std::string env_ipath;
195 std::string opt_ipath;
196 std::string opt_opath;
199 std::string filename;
200 std::string username;
201 bool opt_click_allowed =
true;
202 bool opt_display =
true;
209 if (!env_ipath.empty())
213 #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)))
215 #elif defined(_WIN32)
216 opt_opath =
"C:\\temp";
223 if (getOptions(argc, argv, opt_ipath, opt_opath, opt_click_allowed, username, opt_display) ==
false) {
228 if (!opt_ipath.empty())
230 if (!opt_opath.empty())
243 usage(argv[0],
nullptr, ipath, opath, username);
244 std::cerr << std::endl <<
"ERROR:" << std::endl;
245 std::cerr <<
" Cannot create " << odirname << std::endl;
246 std::cerr <<
" Check your -o " << opath <<
" option " << std::endl;
253 if (!opt_ipath.empty() && !env_ipath.empty()) {
254 if (ipath != env_ipath) {
255 std::cout << std::endl <<
"WARNING: " << std::endl;
256 std::cout <<
" Since -i <visp image path=" << ipath <<
"> "
257 <<
" is different from VISP_IMAGE_PATH=" << env_ipath << std::endl
258 <<
" we skip the environment variable." << std::endl;
263 if (opt_ipath.empty() && env_ipath.empty()) {
264 usage(argv[0],
nullptr, ipath, opath, username);
265 std::cerr << std::endl <<
"ERROR:" << std::endl;
266 std::cerr <<
" Use -i <visp image path> option or set VISP_INPUT_IMAGE_PATH " << std::endl
267 <<
" environment variable to specify the location of the " << std::endl
268 <<
" image path where test images are located." << std::endl
287 display.init(I, 100, 100,
"X11 display");
300 for (
unsigned i = 0; i < I.
getHeight(); i += 20) {
317 for (
unsigned i = 0; i < I.
getWidth(); i += 20) {
336 vpColor very_transparent_blue(0, 0, 255, 63);
338 very_transparent_blue,
true);
350 for (
unsigned int i = 0; i < 100; i += 20) {
378 if (opt_click_allowed) {
379 std::cout <<
"\nA click to close the windows..." << std::endl;
401 displayRGBa.
init(Irgba, 100, 100,
"X11 color display");
409 if (opt_click_allowed) {
410 std::cout <<
"\nA click to display a cross..." << std::endl;
416 std::cout <<
"Cross position: " << ip << std::endl;
424 std::cout <<
"Cross position: " << ip << std::endl;
442 if (opt_click_allowed) {
443 std::cout <<
"\nA click to exit the program..." << std::endl;
445 std::cout <<
"Bye" << std::endl;
451 std::cout <<
"Catch an exception: " << e << std::endl;
458 std::cout <<
"You do not have OpenCV functionalities to display images..." << std::endl;
459 std::cout <<
"Tip:" << std::endl;
460 std::cout <<
"- Install OpenCV, configure again ViSP using cmake and build again this example" << std::endl;
Class to define RGB colors available for display functionalities.
static const vpColor orange
static const vpColor blue
static const vpColor yellow
static const vpColor green
The vpDisplayOpenCV allows to display image using the OpenCV library. Thus to enable this class OpenC...
void init(vpImage< unsigned char > &I, int winx=-1, int winy=-1, const std::string &title="") override
static void close(vpImage< unsigned char > &I)
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
static void displayCircle(const vpImage< unsigned char > &I, const vpImageCircle &circle, const vpColor &color, bool fill=false, unsigned int thickness=1)
static void display(const vpImage< unsigned char > &I)
static void displayLine(const vpImage< unsigned char > &I, const vpImagePoint &ip1, const vpImagePoint &ip2, const vpColor &color, unsigned int thickness=1, bool segment=true)
static void getImage(const vpImage< unsigned char > &Is, vpImage< vpRGBa > &Id)
static void displayCross(const vpImage< unsigned char > &I, const vpImagePoint &ip, unsigned int size, const vpColor &color, unsigned int thickness=1)
static void flush(const vpImage< unsigned char > &I)
static void displayArrow(const vpImage< unsigned char > &I, const vpImagePoint &ip1, const vpImagePoint &ip2, const vpColor &color=vpColor::white, unsigned int w=4, unsigned int h=2, unsigned int thickness=1)
static void displayDotLine(const vpImage< unsigned char > &I, const vpImagePoint &ip1, const vpImagePoint &ip2, const vpColor &color, unsigned int thickness=1)
static void displayRectangle(const vpImage< unsigned char > &I, const vpImagePoint &topLeft, unsigned int width, unsigned int height, const vpColor &color, bool fill=false, unsigned int thickness=1)
static void displayText(const vpImage< unsigned char > &I, const vpImagePoint &ip, const std::string &s, const vpColor &color)
error that can be emitted by ViSP classes.
static void read(vpImage< unsigned char > &I, const std::string &filename, int backend=IO_DEFAULT_BACKEND)
static void write(const vpImage< unsigned char > &I, const std::string &filename, int backend=IO_DEFAULT_BACKEND)
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
unsigned int getWidth() const
unsigned int getHeight() const
static bool parse(int *argcPtr, const char **argv, vpArgvInfo *argTable, int flags)
void display(vpImage< unsigned char > &I, const std::string &title)
Display a gray-scale image.