#include <iostream>
static void help(char** argv)
{
cout << "\nThis program demonstrated the floodFill() function\n"
"Call:\n"
<< argv[0]
<< " [image_name -- Default: fruits.jpg]\n" << endl;
cout << "Hot keys: \n"
"\tESC - quit the program\n"
"\tc - switch color/grayscale mode\n"
"\tm - switch mask mode\n"
"\tr - restore the original image\n"
"\ts - use null-range floodfill\n"
"\tf - use gradient floodfill with fixed(absolute) range\n"
"\tg - use gradient floodfill with floating(relative) range\n"
"\t4 - use 4-connectivity mode\n"
"\t8 - use 8-connectivity mode\n" << endl;
}
Mat image0, image, gray, mask;
int ffillMode = 1;
int loDiff = 20, upDiff = 20;
int connectivity = 4;
int isColor = true;
bool useMask = false;
int newMaskVal = 255;
static void onMouse( int event, int x, int y, int, void* )
{
return;
int lo = ffillMode == 0 ? 0 : loDiff;
int up = ffillMode == 0 ? 0 : upDiff;
int flags = connectivity + (newMaskVal << 8) +
int b = (unsigned)
theRNG() & 255;
int g = (unsigned)
theRNG() & 255;
int r = (unsigned)
theRNG() & 255;
Mat dst = isColor ? image : gray;
int area;
if( useMask )
{
}
else
{
}
cout << area << " pixels were repainted\n";
}
int main( int argc, char** argv )
{
"{help h | | show help message}{@image|fruits.jpg| input image}"
);
{
return 0;
}
string filename = parser.
get<
string>(
"@image");
if( image0.empty() )
{
cout << "Image empty\n";
return 0;
}
help(argv);
image0.copyTo(image);
for(;;)
{
imshow(
"image", isColor ? image : gray);
if( c == 27 )
{
cout << "Exiting ...\n";
break;
}
switch( c )
{
case 'c':
if( isColor )
{
cout << "Grayscale mode is set\n";
isColor = false;
}
else
{
cout << "Color mode is set\n";
image0.copyTo(image);
isColor = true;
}
break;
case 'm':
if( useMask )
{
useMask = false;
}
else
{
useMask = true;
}
break;
case 'r':
cout << "Original image is restored\n";
image0.copyTo(image);
break;
case 's':
cout << "Simple floodfill mode is set\n";
ffillMode = 0;
break;
case 'f':
cout << "Fixed Range floodfill mode is set\n";
ffillMode = 1;
break;
case 'g':
cout << "Gradient (floating range) floodfill mode is set\n";
ffillMode = 2;
break;
case '4':
cout << "4-connectivity mode is set\n";
connectivity = 4;
break;
case '8':
cout << "8-connectivity mode is set\n";
connectivity = 8;
break;
}
}
return 0;
}