49 #include <visp3/core/vpConfig.h>
50 #include <visp3/core/vpDebug.h>
52 #if defined(VISP_HAVE_OPENCV)
54 #include <visp3/core/vpImage.h>
55 #include <visp3/core/vpIoTools.h>
56 #include <visp3/gui/vpDisplayOpenCV.h>
57 #include <visp3/io/vpImageIo.h>
58 #include <visp3/io/vpParseArgv.h>
60 #include <visp3/core/vpTime.h>
72 #define GETOPTARGS "cdi:o:p:h"
85 void usage(
const char *name,
const char *badparam, std::string ipath, std::string opath, std::string user)
88 Read an image on the disk, display it using OpenCV, display some\n\
89 features (line, circle, caracters) in overlay and finaly write \n\
90 the image and the overlayed features in an image on the disk.\n\
93 %s [-i <input image path>] [-o <output image path>]\n\
100 -i <input image path> %s\n\
101 Set image input path.\n\
102 From this path read \"Klimt/Klimt.pgm\"\n\
104 Setting the VISP_INPUT_IMAGE_PATH environment\n\
105 variable produces the same behaviour than using\n\
108 -o <output image path> %s\n\
109 Set image output path.\n\
110 From this directory, creates the \"%s\"\n\
111 subdirectory depending on the username, where \n\
112 Klimt_grey.overlay.ppm output image is written.\n\
115 Disable the mouse click. Useful to automate the \n\
116 execution of this program without humain intervention.\n\
119 Disable the image display. This can be useful \n\
120 for automatic tests using crontab under Unix or \n\
121 using the task manager under Windows.\n\
124 Print the help.\n\n",
125 ipath.c_str(), opath.c_str(), user.c_str());
128 fprintf(stderr,
"ERROR: \n");
129 fprintf(stderr,
"\nBad parameter [%s]\n", badparam);
151 bool getOptions(
int argc,
const char **argv, std::string &ipath, std::string &opath,
bool &click_allowed,
152 const std::string &user,
bool &display)
160 click_allowed =
false;
172 usage(argv[0], NULL, ipath, opath, user);
177 usage(argv[0], optarg_, ipath, opath, user);
183 if ((c == 1) || (c == -1)) {
185 usage(argv[0], NULL, ipath, opath, user);
186 std::cerr <<
"ERROR: " << std::endl;
187 std::cerr <<
" Bad argument " << optarg_ << std::endl << std::endl;
194 int main(
int argc,
const char **argv)
197 std::string env_ipath;
198 std::string opt_ipath;
199 std::string opt_opath;
202 std::string filename;
203 std::string username;
204 bool opt_click_allowed =
true;
205 bool opt_display =
true;
212 if (!env_ipath.empty())
216 #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)))
218 #elif defined(_WIN32)
219 opt_opath =
"C:\\temp";
226 if (getOptions(argc, argv, opt_ipath, opt_opath, opt_click_allowed, username, opt_display) ==
false) {
231 if (!opt_ipath.empty())
233 if (!opt_opath.empty())
245 usage(argv[0], NULL, ipath, opath, username);
246 std::cerr << std::endl <<
"ERROR:" << std::endl;
247 std::cerr <<
" Cannot create " << odirname << std::endl;
248 std::cerr <<
" Check your -o " << opath <<
" option " << std::endl;
255 if (!opt_ipath.empty() && !env_ipath.empty()) {
256 if (ipath != env_ipath) {
257 std::cout << std::endl <<
"WARNING: " << std::endl;
258 std::cout <<
" Since -i <visp image path=" << ipath <<
"> "
259 <<
" is different from VISP_IMAGE_PATH=" << env_ipath << std::endl
260 <<
" we skip the environment variable." << std::endl;
265 if (opt_ipath.empty() && env_ipath.empty()) {
266 usage(argv[0], NULL, ipath, opath, username);
267 std::cerr << std::endl <<
"ERROR:" << std::endl;
268 std::cerr <<
" Use -i <visp image path> option or set VISP_INPUT_IMAGE_PATH " << std::endl
269 <<
" environment variable to specify the location of the " << std::endl
270 <<
" image path where test images are located." << std::endl
289 display.init(I, 100, 100,
"X11 display");
302 for (
unsigned i = 0; i < I.
getHeight(); i += 20) {
319 for (
unsigned i = 0; i < I.
getWidth(); i += 20) {
338 vpColor very_transparent_blue(0, 0, 255, 63);
340 very_transparent_blue,
true);
352 for (
unsigned int i = 0; i < 100; i += 20) {
380 if (opt_click_allowed) {
381 std::cout <<
"\nA click to close the windows..." << std::endl;
403 displayRGBa.
init(Irgba, 100, 100,
"X11 color display");
411 if (opt_click_allowed) {
412 std::cout <<
"\nA click to display a cross..." << std::endl;
418 std::cout <<
"Cross position: " << ip << std::endl;
425 std::cout <<
"Cross position: " << ip << std::endl;
443 if (opt_click_allowed) {
444 std::cout <<
"\nA click to exit the program..." << std::endl;
446 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 functionnalities.
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="")
static void close(vpImage< unsigned char > &I)
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
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)
static void displayCircle(const vpImage< unsigned char > &I, const vpImagePoint ¢er, unsigned int radius, const vpColor &color, bool fill=false, unsigned int thickness=1)
error that can be emited 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)