ViSP  2.8.0
tutorial-image-viewer.cpp
1 
2 #include <visp/vpDisplayGDI.h>
3 #include <visp/vpDisplayX.h>
4 #include <visp/vpImageIo.h>
5 #include <visp/vpImagePoint.h>
6 
7 int main()
8 {
10  vpImageIo::read(I, "lena.ppm");
11 
12 #if defined(VISP_HAVE_X11)
13  vpDisplayX d(I);
14 #elif defined(VISP_HAVE_GDI)
15  vpDisplayGDI d(I);
16 #else
17  std::cout << "No image viewer is available..." << std::endl;
18 #endif
19  vpDisplay::setTitle(I, "Lena");
21 
22  vpDisplay::displayRectangle(I, vpImagePoint(90,90), 70, 90, vpColor::red, false, 2);
24 
26  vpDisplay::getImage(I, O);
27 
28  try {
29  vpImageIo::write(I, "lena-out.jpg");
30  vpImageIo::write(O, "lena-out-with-overlay.jpg");
31  }
32  catch(...) {
33  std::cout << "Cannot write the image: unsupported format..." << std::endl;
34  }
35 
37 }
static void write(const vpImage< unsigned char > &I, const char *filename)
Definition: vpImageIo.cpp:442
Display for windows using GDI (available on any windows 32 platform).
Definition: vpDisplayGDI.h:133
Define the X11 console to display images.
Definition: vpDisplayX.h:152
static void flush(const vpImage< unsigned char > &I)
Definition: vpDisplay.cpp:1991
static const vpColor red
Definition: vpColor.h:167
static void display(const vpImage< unsigned char > &I)
Definition: vpDisplay.cpp:203
virtual void setTitle(const char *title)=0
virtual void displayRectangle(const vpImagePoint &topLeft, unsigned int width, unsigned int height, const vpColor &color, bool fill=false, unsigned int thickness=1)=0
static void getImage(const vpImage< unsigned char > &Is, vpImage< vpRGBa > &Id)
Definition: vpDisplay.cpp:321
virtual bool getClick(bool blocking=true)=0
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
Definition: vpImagePoint.h:92
static void read(vpImage< unsigned char > &I, const char *filename)
Definition: vpImageIo.cpp:277