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Update samples using cmd parser

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This commit is contained in:
itsyplen
2011-08-11 06:46:09 +00:00
parent 1863f58a67
commit bc64567d37
4 changed files with 73 additions and 55 deletions
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52
samples/cpp/distrans.cpp
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@@ -5,24 +5,6 @@
using namespace cv;
void help()
{
printf("\nProgram to demonstrate the use of the distance transform function between edge images.\n"
"Usage:\n"
"./distrans [image_name -- default image is stuff.jpg]\n"
);
printf( "\nHot keys: \n"
"\tESC - quit the program\n"
"\tC - use C/Inf metric\n"
"\tL1 - use L1 metric\n"
"\tL2 - use L2 metric\n"
"\t3 - use 3x3 mask\n"
"\t5 - use 5x5 mask\n"
"\t0 - use precise distance transform\n"
"\tv - switch Voronoi diagram mode on/off\n"
"\tSPACE - loop through all the modes\n" );
}
int maskSize0 = CV_DIST_MASK_5;
bool buildVoronoi = false;
int edgeThresh = 100;
@@ -101,17 +83,41 @@ void onTrackbar( int, void* )
imshow("Distance Map", dist8u );
}
int main( int argc, char** argv )
void help()
{
char* filename = argc == 2 ? argv[1] : (char*)"stuff.jpg";
gray = imread(filename, 0);
printf("\nProgram to demonstrate the use of the distance transform function between edge images.\n"
"Usage:\n"
"./distrans [image_name -- default image is stuff.jpg]\n"
"\nHot keys: \n"
"\tESC - quit the program\n"
"\tC - use C/Inf metric\n"
"\tL1 - use L1 metric\n"
"\tL2 - use L2 metric\n"
"\t3 - use 3x3 mask\n"
"\t5 - use 5x5 mask\n"
"\t0 - use precise distance transform\n"
"\tv - switch Voronoi diagram mode on/off\n"
"\tSPACE - loop through all the modes\n\n");
}
const char* keys =
{
"{1| |stuff.jpg|input image file}"
};
int main( int argc, const char** argv )
{
help();
CommandLineParser parser(argc, argv, keys);
string filename = parser.get<string>("1");
gray = imread(filename.c_str(), 0);
if(gray.empty())
{
help();
printf("Cannot read image file: %s\n", filename.c_str());
help();
return -1;
}
help();
namedWindow("Distance Map", 1);
createTrackbar("Brightness Threshold", "Distance Map", &edgeThresh, 255, onTrackbar, 0);