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Added the ability to put overlay circles into the image_display and

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image_window widgets.
This commit is contained in:
Davis King 2012-09-01 23:33:59 -04:00
parent d6d1ab853c
commit 64e26c7a7a
3 changed files with 203 additions and 0 deletions
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74
dlib/gui_widgets/widgets.cpp
View File

@ -5800,6 +5800,22 @@ namespace dlib
parent.invalidate_rectangle(rectangle(overlay.p1+origin, overlay.p2+origin));
}
// ----------------------------------------------------------------------------------------
void image_display::
add_overlay (
const overlay_circle& overlay
)
{
auto_mutex M(m);
// push this new overlay into our overlay vector
overlay_circles.push_back(overlay);
// make the parent window redraw us now that we changed the overlay
parent.invalidate_rectangle(rect);
}
// ----------------------------------------------------------------------------------------
void image_display::
@ -5832,6 +5848,22 @@ namespace dlib
parent.invalidate_rectangle(rect);
}
// ----------------------------------------------------------------------------------------
void image_display::
add_overlay (
const std::vector<overlay_circle>& overlay
)
{
auto_mutex M(m);
// push this new overlay into our overlay vector
overlay_circles.insert(overlay_circles.end(), overlay.begin(), overlay.end());
// make the parent window redraw us now that we changed the overlay
parent.invalidate_rectangle(rect);
}
// ----------------------------------------------------------------------------------------
void image_display::
@ -5841,6 +5873,7 @@ namespace dlib
auto_mutex M(m);
overlay_rects.clear();
overlay_lines.clear();
overlay_circles.clear();
parent.invalidate_rectangle(rect);
}
@ -5957,6 +5990,27 @@ namespace dlib
overlay_lines[i].color, area);
}
// now draw all the overlay circles
for (unsigned long i = 0; i < overlay_circles.size(); ++i)
{
const point center = zoom_in_scale*overlay_circles[i].center/zoom_out_scale + origin;
const int radius = zoom_in_scale*overlay_circles[i].radius/zoom_out_scale;
draw_circle(c,
center,
radius,
overlay_circles[i].color, area);
if (overlay_circles[i].label.size() != 0)
{
const point temp = center + point(0,radius);
// make a rectangle that is at the spot we want to draw our string
rectangle r(temp, temp + point(10000,10000));
mfont->draw_string(c, r, overlay_circles[i].label, overlay_circles[i].color, 0,
std::string::npos, area);
}
}
if (drawing_rect)
draw_rectangle(c, rect_to_draw, invert_pixel(default_rect_color), area);
}
@ -6417,6 +6471,16 @@ namespace dlib
gui_img.add_overlay(overlay);
}
// ----------------------------------------------------------------------------------------
void image_window::
add_overlay (
const overlay_circle& overlay
)
{
gui_img.add_overlay(overlay);
}
// ----------------------------------------------------------------------------------------
void image_window::
@ -6437,6 +6501,16 @@ namespace dlib
gui_img.add_overlay(overlay);
}
// ----------------------------------------------------------------------------------------
void image_window::
add_overlay (
const std::vector<overlay_circle>& overlay
)
{
gui_img.add_overlay(overlay);
}
// ----------------------------------------------------------------------------------------
void image_window::

37
dlib/gui_widgets/widgets.h
View File

@ -27,6 +27,7 @@
#include <vector>
#include "../any.h"
#include <set>
#include "../image_processing/full_object_detection.h"
#ifdef _MSC_VER
// This #pragma directive is also located in the algs.h file but for whatever
@ -3323,6 +3324,24 @@ namespace dlib
rgb_alpha_pixel color;
};
struct overlay_circle
{
overlay_circle():radius(0) { assign_pixel(color, 0);}
template <typename pixel_type>
overlay_circle(const point& center_, const int radius_, pixel_type p)
: center(center_), radius(radius_) { assign_pixel(color, p); }
template <typename pixel_type>
overlay_circle(const point& center_, const int radius_, pixel_type p, const std::string& l)
: center(center_), radius(radius_), label(l) { assign_pixel(color, p); }
point center;
int radius;
rgb_alpha_pixel color;
std::string label;
};
void add_overlay (
const overlay_rect& overlay
);
@ -3331,6 +3350,10 @@ namespace dlib
const overlay_line& overlay
);
void add_overlay (
const overlay_circle& overlay
);
void add_overlay (
const std::vector<overlay_rect>& overlay
);
@ -3339,6 +3362,10 @@ namespace dlib
const std::vector<overlay_line>& overlay
);
void add_overlay (
const std::vector<overlay_circle>& overlay
);
void clear_overlay (
);
@ -3470,6 +3497,7 @@ namespace dlib
std::vector<overlay_rect> overlay_rects;
std::vector<overlay_line> overlay_lines;
std::vector<overlay_circle> overlay_circles;
long zoom_in_scale;
long zoom_out_scale;
@ -3501,6 +3529,7 @@ namespace dlib
typedef image_display::overlay_rect overlay_rect;
typedef image_display::overlay_line overlay_line;
typedef image_display::overlay_circle overlay_circle;
image_window(
);
@ -3562,6 +3591,10 @@ namespace dlib
const overlay_line& overlay
);
void add_overlay (
const overlay_circle& overlay
);
template <typename pixel_type>
void add_overlay(const point& p1, const point& p2, pixel_type p)
{ add_overlay(image_display::overlay_line(p1,p2,p)); }
@ -3574,6 +3607,10 @@ namespace dlib
const std::vector<overlay_line>& overlay
);
void add_overlay (
const std::vector<overlay_circle>& overlay
);
void clear_overlay (
);

92
dlib/gui_widgets/widgets_abstract.h
View File

@ -2487,6 +2487,61 @@ namespace dlib
};
struct overlay_circle
{
/*!
WHAT THIS OBJECT REPRESENTS
This object represents a circle that is drawn on top of the
image shown by this object. Each circle is represented by
its center, radius, and color. It can also have an optional
text label which will appear below the circle.
!*/
point center;
int radius;
rgb_alpha_pixel color;
std::string label;
overlay_circle(
);
/*!
ensures
- #center == point(0,0)
- #radius == 0
- #color == rgb_alpha_pixel(0,0,0,0)
- #label.size() == 0
!*/
template <typename pixel_type>
overlay_circle(
const point& center_,
const int radius_,
pixel_type p
);
/*!
ensures
- performs assign_pixel(color, p)
- #center == center_
- #radius == radius_
!*/
template <typename pixel_type>
overlay_circle(
const point& center_,
const int radius_,
pixel_type p,
const std::string& label_
);
/*!
ensures
- performs assign_pixel(color, p)
- #center == center_
- #radius == radius_
- #label == label_
!*/
};
void add_overlay (
const overlay_rect& overlay
);
@ -2505,6 +2560,15 @@ namespace dlib
that it will be displayed.
!*/
void add_overlay (
const overlay_circle& overlay
);
/*!
ensures
- adds the given overlay circle into this object such
that it will be displayed.
!*/
void add_overlay (
const std::vector<overlay_rect>& overlay
);
@ -2523,6 +2587,15 @@ namespace dlib
that they will be displayed.
!*/
void add_overlay (
const std::vector<overlay_circle>& overlay
);
/*!
ensures
- adds the given set of overlay circles into this object such
that they will be displayed.
!*/
void clear_overlay (
);
/*!
@ -2700,6 +2773,7 @@ namespace dlib
typedef image_display::overlay_rect overlay_rect;
typedef image_display::overlay_line overlay_line;
typedef image_display::overlay_circle overlay_circle;
image_window(
);
@ -2791,6 +2865,15 @@ namespace dlib
that it will be displayed.
!*/
void add_overlay (
const overlay_circle& overlay
);
/*!
ensures
- adds the given overlay circle into this object such
that it will be displayed.
!*/
template <typename pixel_type>
void add_overlay(
const point& p1,
@ -2820,6 +2903,15 @@ namespace dlib
that they will be displayed.
!*/
void add_overlay (
const std::vector<overlay_circle>& overlay
);
/*!
ensures
- adds the given set of overlay circles into this object such
that they will be displayed.
!*/
void clear_overlay (
);
/*!