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#ifndef DLIB_NO_GUI_SUPPORT
#include <dlib/python.h>
#include <boost/python/args.hpp>
#include <dlib/geometry.h>
#include <dlib/image_processing/frontal_face_detector.h>
#include <dlib/image_processing/render_face_detections.h>
#include <dlib/gui_widgets.h>
using namespace dlib;
using namespace std;
using namespace boost::python;
// ----------------------------------------------------------------------------------------
// Forward declaration of the simple_object_detector
typedef object_detector<scan_fhog_pyramid<pyramid_down<6> > > simple_object_detector;
void image_window_set_image_fhog_detector (
image_window& win,
const frontal_face_detector& det
)
{
win.set_image(draw_fhog(det));
}
void image_window_set_image_simple_detector (
image_window& win,
const simple_object_detector& det
)
{
win.set_image(draw_fhog(det));
}
// ----------------------------------------------------------------------------------------
void image_window_set_image (
image_window& win,
object img
)
{
if (is_gray_python_image(img))
return win.set_image(numpy_gray_image(img));
else if (is_rgb_python_image(img))
return win.set_image(numpy_rgb_image(img));
else
throw dlib::error("Unsupported image type, must be 8bit gray or RGB image.");
}
void add_overlay_rect (
image_window& win,
const rectangle& rect,
const rgb_pixel& color
)
{
std::vector<rectangle> rects;
rects.push_back(rect);
win.add_overlay(rects, color);
}
void add_overlay_parts (
image_window& win,
const full_object_detection& detection,
const rgb_pixel& color
)
{
std::vector<full_object_detection> detections;
detections.push_back(detection);
win.add_overlay(render_face_detections(detections, color));
}
boost::shared_ptr<image_window> make_image_window_from_image(object img)
{
boost::shared_ptr<image_window> win(new image_window);
image_window_set_image(*win, img);
return win;
}
boost::shared_ptr<image_window> make_image_window_from_image_and_title(object img, const string& title)
{
boost::shared_ptr<image_window> win(new image_window);
image_window_set_image(*win, img);
win->set_title(title);
return win;
}
// ----------------------------------------------------------------------------------------
void bind_gui()
{
using boost::python::arg;
{
typedef image_window type;
typedef void (image_window::*set_title_funct)(const std::string&);
typedef void (image_window::*add_overlay_funct)(const std::vector<rectangle>& r, rgb_pixel p);
class_<type,boost::noncopyable>("image_window",
"This is a GUI window capable of showing images on the screen.")
.def("__init__", make_constructor(&make_image_window_from_image),
"Create an image window that displays the given numpy image.")
.def("__init__", make_constructor(&make_image_window_from_image_and_title),
"Create an image window that displays the given numpy image and also has the given title.")
.def("set_image", image_window_set_image, arg("image"),
"Make the image_window display the given image.")
.def("set_image", image_window_set_image_fhog_detector, arg("detector"),
"Make the image_window display the given HOG detector's filters.")
.def("set_image", image_window_set_image_simple_detector, arg("detector"),
"Make the image_window display the given HOG detector's filters.")
.def("set_title", (set_title_funct)&type::set_title, arg("title"),
"Set the title of the window to the given value.")
.def("clear_overlay", &type::clear_overlay, "Remove all overlays from the image_window.")
.def("add_overlay", (add_overlay_funct)&type::add_overlay<rgb_pixel>, (arg("rectangles"), arg("color")=rgb_pixel(255, 0, 0)),
"Add a list of rectangles to the image_window. They will be displayed as red boxes by default, but the color can be passed.")
.def("add_overlay", add_overlay_rect, (arg("rectangle"), arg("color")=rgb_pixel(255, 0, 0)),
"Add a rectangle to the image_window. It will be displayed as a red box by default, but the color can be passed.")
.def("add_overlay", add_overlay_parts, (arg("detection"), arg("color")=rgb_pixel(0, 0, 255)),
"Add full_object_detection parts to the image window. They will be displayed as blue lines by default, but the color can be passed.")
.def("wait_until_closed", &type::wait_until_closed,
"This function blocks until the window is closed.");
}
}
#endif