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update samples: waitKey() usage

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Original commit is a5f19f7dd6
This commit is contained in:
StevenPuttemans 2016-08-12 15:11:30 +02:00 committed by Alexander Alekhin
parent 4e7b521438
commit 6d34d6b47e
76 changed files with 142 additions and 154 deletions
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10
apps/createsamples/utility.cpp
View File

@ -1270,7 +1270,7 @@ void cvCreateTrainingSamples( const char* filename,
if( showsamples )
{
cvShowImage( "Sample", &sample );
if( cvWaitKey( 0 ) == 27 )
if( (cvWaitKey( 0 ) & 0xFF) == 27 )
{
showsamples = 0;
}
@ -1402,7 +1402,7 @@ void cvCreateTestSamples( const char* infoname,
if( showsamples )
{
cvShowImage( "Image", &cvbgreader->src );
if( cvWaitKey( 0 ) == 27 )
if( (cvWaitKey( 0 ) & 0xFF) == 27 )
{
showsamples = 0;
}
@ -1525,7 +1525,7 @@ int cvCreateTrainingSamplesFromInfo( const char* infoname, const char* vecfilena
if( showsamples )
{
cvShowImage( "Sample", sample );
if( cvWaitKey( 0 ) == 27 )
if( (cvWaitKey( 0 ) & 0xFF) == 27 )
{
showsamples = 0;
}
@ -1672,7 +1672,7 @@ void cvShowVecSamples( const char* filename, int winwidth, int winheight,
icvGetTraininDataFromVec( sample, &file );
if( scale != 1.0 ) cvResize( sample, scaled_sample, CV_INTER_LINEAR);
cvShowImage( "Sample", scaled_sample );
if( cvWaitKey( 0 ) == 27 ) break;
if( (cvWaitKey( 0 ) & 0xFF) == 27 ) break;
}
if( scaled_sample && scaled_sample != sample ) cvReleaseMat( &scaled_sample );
cvReleaseMat( &sample );
@ -1680,4 +1680,4 @@ void cvShowVecSamples( const char* filename, int winwidth, int winheight,
}
fclose( file.input );
}
}
}

2
apps/interactive-calibration/calibPipeline.cpp
View File

@ -68,7 +68,7 @@ PipelineExitStatus CalibPipeline::start(std::vector<cv::Ptr<FrameProcessor> > pr
for (std::vector<cv::Ptr<FrameProcessor> >::iterator it = processors.begin(); it != processors.end(); ++it)
processedFrame = (*it)->processFrame(processedFrame);
cv::imshow(mainWindowName, processedFrame);
int key = cv::waitKey(CAP_DELAY);
char key = (char)cv::waitKey(CAP_DELAY);
if(key == 27) // esc
return Finished;

4
doc/tutorials/imgproc/imgtrans/remap/remap.markdown
View File

@ -85,9 +85,9 @@ Explanation
while( true )
{
/// Each 1 sec. Press ESC to exit the program
int c = waitKey( 1000 );
char c = (char)waitKey( 1000 );
if( (char)c == 27 )
if( c == 27 )
{ break; }
/// Update map_x & map_y. Then apply remap

1
doc/tutorials/imgproc/pyramids/pyramids.markdown
View File

@ -93,6 +93,7 @@ Let's check the general structure of the program:
- Perform an infinite loop waiting for user input.
@snippet cpp/tutorial_code/ImgProc/Pyramids.cpp infinite_loop
Our program exits if the user presses *ESC*. Besides, it has two options:
- **Perform upsampling (after pressing 'u')**

6
modules/python/test/tst_scene_render.py
View File

@ -113,7 +113,7 @@ if __name__ == '__main__':
img = render.getNextFrame()
cv2.imshow('img', img)
ch = 0xFF & cv2.waitKey(3)
if ch == 27:
ch = cv2.waitKey(3)
if ch == 27:
break
cv2.destroyAllWindows()
cv2.destroyAllWindows()

2
samples/cpp/3calibration.cpp
View File

@ -351,7 +351,7 @@ int main( int argc, char** argv )
for( k = 0; k < small_canvas.rows; k += 16 )
line(small_canvas, Point(0, k), Point(small_canvas.cols, k), Scalar(0,255,0), 1);
imshow("rectified", small_canvas);
int c = waitKey(0);
char c = (char)waitKey(0);
if( c == 27 || c == 'q' || c == 'Q' )
break;
}

8
samples/cpp/calibration.cpp
View File

@ -493,9 +493,9 @@ int main( int argc, char** argv )
}
imshow("Image View", view);
int key = 0xff & waitKey(capture.isOpened() ? 50 : 500);
char key = (char)waitKey(capture.isOpened() ? 50 : 500);
if( (key & 255) == 27 )
if( key == 27 )
break;
if( key == 'u' && mode == CALIBRATED )
@ -536,8 +536,8 @@ int main( int argc, char** argv )
//undistort( view, rview, cameraMatrix, distCoeffs, cameraMatrix );
remap(view, rview, map1, map2, INTER_LINEAR);
imshow("Image View", rview);
int c = 0xff & waitKey();
if( (c & 255) == 27 || c == 'q' || c == 'Q' )
char c = (char)waitKey();
if( c == 27 || c == 'q' || c == 'Q' )
break;
}
}

2
samples/cpp/cloning_gui.cpp
View File

@ -453,7 +453,7 @@ int main()
for(;;)
{
char key = (char) waitKey(0);
char key = (char)waitKey(0);
if(key == 'd' && flag3 == 0)
{

3
samples/cpp/convexhull.cpp
View File

@ -25,7 +25,6 @@ int main( int argc, char** argv )
for(;;)
{
char key;
int i, count = (unsigned)rng%100 + 1;
vector<Point> points;
@ -58,7 +57,7 @@ int main( int argc, char** argv )
imshow("hull", img);
key = (char)waitKey();
char key = (char)waitKey();
if( key == 27 || key == 'q' || key == 'Q' ) // 'ESC'
break;
}

4
samples/cpp/detect_mser.cpp
View File

@ -279,8 +279,8 @@ static void DrawOpenGLMSER(Mat img, Mat result)
for (;;)
{
updateWindow("OpenGL");
int key = waitKey(40);
if ((key & 0xff) == 27)
char key = (char)waitKey(40);
if (key == 27)
break;
if (key == 0x20)
rotateEnable = !rotateEnable;

2
samples/cpp/distrans.cpp
View File

@ -133,7 +133,7 @@ int main( int argc, const char** argv )
// Call to update the view
onTrackbar(0, 0);
int c = waitKey(0) & 255;
char c = (char)waitKey(0);
if( c == 27 )
break;

12
samples/cpp/facedetect.cpp
View File

@ -72,9 +72,9 @@ int main( int argc, const char** argv )
}
if( inputName.empty() || (isdigit(inputName[0]) && inputName.size() == 1) )
{
int c = inputName.empty() ? 0 : inputName[0] - '0';
if(!capture.open(c))
cout << "Capture from camera #" << c << " didn't work" << endl;
int camera = inputName.empty() ? 0 : inputName[0] - '0';
if(!capture.open(camera))
cout << "Capture from camera #" << camera << " didn't work" << endl;
}
else if( inputName.size() )
{
@ -104,7 +104,7 @@ int main( int argc, const char** argv )
Mat frame1 = frame.clone();
detectAndDraw( frame1, cascade, nestedCascade, scale, tryflip );
int c = waitKey(10);
char c = (char)waitKey(10);
if( c == 27 || c == 'q' || c == 'Q' )
break;
}
@ -127,7 +127,7 @@ int main( int argc, const char** argv )
char buf[1000+1];
while( fgets( buf, 1000, f ) )
{
int len = (int)strlen(buf), c;
int len = (int)strlen(buf);
while( len > 0 && isspace(buf[len-1]) )
len--;
buf[len] = '\0';
@ -136,7 +136,7 @@ int main( int argc, const char** argv )
if( !image.empty() )
{
detectAndDraw( image, cascade, nestedCascade, scale, tryflip );
c = waitKey(0);
char c = (char)waitKey(0);
if( c == 27 || c == 'q' || c == 'Q' )
break;
}

6
samples/cpp/ffilldemo.cpp
View File

@ -105,13 +105,13 @@ int main( int argc, char** argv )
{
imshow("image", isColor ? image : gray);
int c = waitKey(0);
if( (c & 255) == 27 )
char c = (char)waitKey(0);
if( c == 27 )
{
cout << "Exiting ...\n";
break;
}
switch( (char)c )
switch( c )
{
case 'c':
if( isColor )

4
samples/cpp/grabcut.cpp
View File

@ -306,8 +306,8 @@ int main( int argc, char** argv )
for(;;)
{
int c = waitKey(0);
switch( (char) c )
char c = (char)waitKey(0);
switch( c )
{
case '\x1b':
cout << "Exiting ..." << endl;

4
samples/cpp/laplace.cpp
View File

@ -83,10 +83,10 @@ int main( int argc, char** argv )
convertScaleAbs(laplace, result, (sigma+1)*0.25);
imshow("Laplacian", result);
int c = waitKey(30);
char c = (char)waitKey(30);
if( c == ' ' )
smoothType = smoothType == GAUSSIAN ? BLUR : smoothType == BLUR ? MEDIAN : GAUSSIAN;
if( c == 'q' || c == 'Q' || (c & 255) == 27 )
if( c == 'q' || c == 'Q' || c == 27 )
break;
}

14
samples/cpp/morphology2.cpp
View File

@ -82,21 +82,19 @@ int main( int argc, char** argv )
for(;;)
{
int c;
OpenClose(open_close_pos, 0);
ErodeDilate(erode_dilate_pos, 0);
c = waitKey(0);
char c = (char)waitKey(0);
if( (char)c == 27 )
if( c == 27 )
break;
if( (char)c == 'e' )
if( c == 'e' )
element_shape = MORPH_ELLIPSE;
else if( (char)c == 'r' )
else if( c == 'r' )
element_shape = MORPH_RECT;
else if( (char)c == 'c' )
else if( c == 'c' )
element_shape = MORPH_CROSS;
else if( (char)c == ' ' )
else if( c == ' ' )
element_shape = (element_shape + 1) % 3;
}

4
samples/cpp/pca.cpp
View File

@ -183,9 +183,9 @@ int main(int argc, char** argv)
// display until user presses q
imshow(winName, reconstruction);
int key = 0;
char key = 0;
while(key != 'q')
key = waitKey();
key = (char)waitKey();
return 0;
}

6
samples/cpp/phase_corr.cpp
View File

@ -9,7 +9,7 @@ int main(int, char* [])
{
VideoCapture video(0);
Mat frame, curr, prev, curr64f, prev64f, hann;
int key = 0;
char key;
do
{
@ -37,10 +37,10 @@ int main(int, char* [])
}
imshow("phase shift", frame);
key = waitKey(2);
key = (char)waitKey(2);
prev = curr.clone();
} while((char)key != 27); // Esc to exit...
} while(key != 27); // Esc to exit...
return 0;
}

2
samples/cpp/points_classifier.cpp
View File

@ -312,7 +312,7 @@ int main()
for(;;)
{
uchar key = (uchar)waitKey();
char key = (char)waitKey();
if( key == 27 ) break;

2
samples/cpp/segment_objects.cpp
View File

@ -105,7 +105,7 @@ int main(int argc, char** argv)
refineSegments(tmp_frame, bgmask, out_frame);
imshow("video", tmp_frame);
imshow("segmented", out_frame);
int keycode = waitKey(30);
char keycode = (char)waitKey(30);
if( keycode == 27 )
break;
if( keycode == ' ' )

6
samples/cpp/select3dobj.cpp
View File

@ -285,8 +285,8 @@ static int select3DBox(const string& windowname, const string& selWinName, const
imshow(windowname, shownFrame);
imshow(selWinName, selectedObjFrame);
int c = waitKey(30);
if( (c & 255) == 27 )
char c = (char)waitKey(30);
if( c == 27 )
{
nobjpt = 0;
}
@ -593,7 +593,7 @@ int main(int argc, char** argv)
imshow("View", shownFrame);
imshow("Selected Object", selectedObjFrame);
int c = waitKey(imageList.empty() && !box.empty() ? 30 : 300);
char c = (char)waitKey(imageList.empty() && !box.empty() ? 30 : 300);
if( c == 'q' || c == 'Q' )
break;
if( c == '\r' || c == '\n' )

2
samples/cpp/smiledetect.cpp
View File

@ -99,7 +99,7 @@ int main( int argc, const char** argv )
Mat frame1 = frame.clone();
detectAndDraw( frame1, cascade, nestedCascade, scale, tryflip );
int c = waitKey(10);
char c = (char)waitKey(10);
if( c == 27 || c == 'q' || c == 'Q' )
break;
}

4
samples/cpp/squares.cpp
View File

@ -167,8 +167,8 @@ int main(int argc, char** argv)
findSquares(image, squares);
drawSquares(image, squares);
int c = waitKey();
if( (char)c == 27 )
char c = (char)waitKey();
if( c == 27 )
break;
}

24
samples/cpp/tutorial_code/ImgProc/Pyramids.cpp
View File

@ -45,26 +45,22 @@ int main( void )
//![infinite_loop]
for(;;)
{
int c;
c = waitKey(0);
char c = (char)waitKey(0);
if( (char)c == 27 )
if( c == 27 )
{ break; }
if( (char)c == 'u' )
{
//![pyrup]
pyrUp( tmp, dst, Size( tmp.cols*2, tmp.rows*2 ) );
//![pyrup]
//![pyrup]
if( c == 'u' )
{ pyrUp( tmp, dst, Size( tmp.cols*2, tmp.rows*2 ) );
printf( "** Zoom In: Image x 2 \n" );
}
else if( (char)c == 'd' )
{
//![pyrdown]
pyrDown( tmp, dst, Size( tmp.cols/2, tmp.rows/2 ) );
//![pyrdown]
//![pyrup]
//![pyrdown]
else if( c == 'd' )
{ pyrDown( tmp, dst, Size( tmp.cols/2, tmp.rows/2 ) );
printf( "** Zoom Out: Image / 2 \n" );
}
//![pyrdown]
imshow( window_name, dst );
//![update_tmp]

5
samples/cpp/tutorial_code/ImgProc/Threshold.cpp
View File

@ -60,9 +60,8 @@ int main( int, char** argv )
/// Wait until user finishes program
for(;;)
{
int c;
c = waitKey( 20 );
if( (char)c == 27 )
char c = (char)waitKey( 20 );
if( c == 27 )
{ break; }
}

2
samples/cpp/tutorial_code/ImgProc/Threshold_inRange.cpp
View File

@ -41,7 +41,7 @@ int main()
createTrackbar("Low B","Object Detection", &low_b, 255, on_low_b_thresh_trackbar);
createTrackbar("High B","Object Detection", &high_b, 255, on_high_b_thresh_trackbar);
//! [trackbar]
while(char(waitKey(1))!='q'){
while((char)waitKey(1)!='q'){
//! [while]
cap>>frame;
if(frame.empty())

4
samples/cpp/tutorial_code/ImgTrans/HoughCircle_Demo.cpp
View File

@ -90,7 +90,7 @@ int main(int argc, char** argv)
// infinite loop to display
// and refresh the content of the output image
// until the user presses q or Q
int key = 0;
char key = 0;
while(key != 'q' && key != 'Q')
{
// those paramaters cannot be =0
@ -102,7 +102,7 @@ int main(int argc, char** argv)
HoughDetection(src_gray, src, cannyThreshold, accumulatorThreshold);
// get user key
key = waitKey(10);
key = (char)waitKey(10);
}
return 0;

4
samples/cpp/tutorial_code/ImgTrans/Remap_Demo.cpp
View File

@ -40,9 +40,9 @@ int main( int, char** argv )
for(;;)
{
/// Each 1 sec. Press ESC to exit the program
int c = waitKey( 1000 );
char c = (char)waitKey( 1000 );
if( (char)c == 27 )
if( c == 27 )
{ break; }
/// Update map_x & map_y. Then apply remap

12
samples/cpp/tutorial_code/ImgTrans/copyMakeBorder_demo.cpp
View File

@ -23,9 +23,6 @@ RNG rng(12345);
*/
int main( int, char** argv )
{
int c;
//![load]
src = imread( argv[1], IMREAD_COLOR ); // Load an image
@ -59,13 +56,12 @@ int main( int, char** argv )
for(;;)
{
//![check_keypress]
c = waitKey(500);
if( (char)c == 27 )
char c = (char)waitKey(500);
if( c == 27 )
{ break; }
else if( (char)c == 'c' )
else if( c == 'c' )
{ borderType = BORDER_CONSTANT; }
else if( (char)c == 'r' )
else if( c == 'r' )
{ borderType = BORDER_REPLICATE; }
//![check_keypress]

6
samples/cpp/tutorial_code/ImgTrans/filter2D_demo.cpp
View File

@ -25,8 +25,6 @@ int main ( int, char** argv )
int kernel_size;
const char* window_name = "filter2D Demo";
int c;
//![load]
src = imread( argv[1], IMREAD_COLOR ); // Load an image
@ -45,9 +43,9 @@ int main ( int, char** argv )
int ind = 0;
for(;;)
{
c = waitKey(500);
char c = (char)waitKey(500);
/// Press 'ESC' to exit the program
if( (char)c == 27 )
if( c == 27 )
{ break; }
//![update_kernel]

2
samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/main_detection.cpp
View File

@ -180,7 +180,7 @@ int main(int argc, char *argv[])
Mat frame, frame_vis;
while(cap.read(frame) && waitKey(30) != 27) // capture frame until ESC is pressed
while(cap.read(frame) && (char)waitKey(30) != 27) // capture frame until ESC is pressed
{
frame_vis = frame.clone(); // refresh visualisation frame

2
samples/cpp/tutorial_code/features2D/AKAZE_tracking/planar_tracking.cpp
View File

@ -195,7 +195,7 @@ int main(int argc, char **argv)
drawStatistics(orb_res, orb_draw_stats);
vconcat(akaze_res, orb_res, res_frame);
cv::imshow(video_name, res_frame);
if(cv::waitKey(1)==27) break; //quit on ESC button
if(waitKey(1)==27) break; //quit on ESC button
}
akaze_stats /= i - 1;
orb_stats /= i - 1;

4
samples/cpp/tutorial_code/objectDetection/objectDetection.cpp
View File

@ -44,8 +44,8 @@ int main( void )
//-- 3. Apply the classifier to the frame
detectAndDisplay( frame );
int c = waitKey(10);
if( (char)c == 27 ) { break; } // escape
char c = (char)waitKey(10);
if( c == 27 ) { break; } // escape
}
return 0;
}

4
samples/cpp/tutorial_code/objectDetection/objectDetection2.cpp
View File

@ -51,8 +51,8 @@ int main( void )
detectAndDisplay( frame );
//-- bail out if escape was pressed
int c = waitKey(10);
if( (char)c == 27 ) { break; }
char c = (char)waitKey(10);
if( c == 27 ) { break; }
}
return 0;
}

2
samples/cpp/tutorial_code/photo/seamless_cloning/cloning_gui.cpp
View File

@ -452,7 +452,7 @@ int main()
for(;;)
{
char key = (char) waitKey(0);
char key = (char)waitKey(0);
if(key == 'd' && flag3 == 0)
{

12
samples/cpp/tutorial_code/video/bg_sub.cpp
View File

@ -23,7 +23,7 @@ using namespace std;
Mat frame; //current frame
Mat fgMaskMOG2; //fg mask fg mask generated by MOG2 method
Ptr<BackgroundSubtractor> pMOG2; //MOG2 Background subtractor
int keyboard; //input from keyboard
char keyboard; //input from keyboard
/** Function Headers */
void help();
@ -98,7 +98,8 @@ void processVideo(char* videoFilename) {
exit(EXIT_FAILURE);
}
//read input data. ESC or 'q' for quitting
while( (char)keyboard != 'q' && (char)keyboard != 27 ){
keyboard = 0;
while( keyboard != 'q' && keyboard != 27 ){
//read the current frame
if(!capture.read(frame)) {
cerr << "Unable to read next frame." << endl;
@ -119,7 +120,7 @@ void processVideo(char* videoFilename) {
imshow("Frame", frame);
imshow("FG Mask MOG 2", fgMaskMOG2);
//get the input from the keyboard
keyboard = waitKey( 30 );
keyboard = (char)waitKey( 30 );
}
//delete capture object
capture.release();
@ -139,7 +140,8 @@ void processImages(char* fistFrameFilename) {
//current image filename
string fn(fistFrameFilename);
//read input data. ESC or 'q' for quitting
while( (char)keyboard != 'q' && (char)keyboard != 27 ){
keyboard = 0;
while( keyboard != 'q' && keyboard != 27 ){
//update the background model
pMOG2->apply(frame, fgMaskMOG2);
//get the frame number and write it on the current frame
@ -162,7 +164,7 @@ void processImages(char* fistFrameFilename) {
imshow("Frame", frame);
imshow("FG Mask MOG 2", fgMaskMOG2);
//get the input from the keyboard
keyboard = waitKey( 30 );
keyboard = (char)waitKey( 30 );
//search for the next image in the sequence
ostringstream oss;
oss << (frameNumber + 1);

3
samples/cpp/tutorial_code/videoio/video-input-psnr-ssim/video-input-psnr-ssim.cpp
View File

@ -44,7 +44,6 @@ int main(int argc, char *argv[])
conv << argv[3] << endl << argv[4]; // put in the strings
conv >> psnrTriggerValue >> delay; // take out the numbers
char c;
int frameNum = -1; // Frame counter
VideoCapture captRefrnc(sourceReference), captUndTst(sourceCompareWith);
@ -126,7 +125,7 @@ int main(int argc, char *argv[])
imshow(WIN_RF, frameReference);
imshow(WIN_UT, frameUnderTest);
c = (char)waitKey(delay);
char c = (char)waitKey(delay);
if (c == 27) break;
}

8
samples/cpp/watershed.cpp
View File

@ -74,19 +74,19 @@ int main( int argc, char** argv )
for(;;)
{
int c = waitKey(0);
char c = (char)waitKey(0);
if( (char)c == 27 )
if( c == 27 )
break;
if( (char)c == 'r' )
if( c == 'r' )
{
markerMask = Scalar::all(0);
img0.copyTo(img);
imshow( "image", img );
}
if( (char)c == 'w' || (char)c == ' ' )
if( c == 'w' || c == ' ' )
{
int i, j, compCount = 0;
vector<vector<Point> > contours;

2
samples/gpu/bgfg_segm.cpp
View File

@ -161,7 +161,7 @@ int main(int argc, const char** argv)
if (!bgimg.empty())
imshow("mean background image", bgimg);
int key = waitKey(30);
char key = (char)waitKey(30);
if (key == 27)
break;
}

4
samples/gpu/opengl.cpp
View File

@ -105,8 +105,8 @@ int main(int argc, char* argv[])
for (;;)
{
updateWindow("OpenGL");
int key = waitKey(40);
if ((key & 0xff) == 27)
char key = (char)waitKey(40);
if (key == 27)
break;
}

2
samples/python/camshift.py
View File

@ -110,7 +110,7 @@ class App(object):
cv2.imshow('camshift', vis)
ch = 0xFF & cv2.waitKey(5)
ch = cv2.waitKey(5)
if ch == 27:
break
if ch == ord('b'):

2
samples/python/coherence.py
View File

@ -77,7 +77,7 @@ if __name__ == '__main__':
cv2.imshow('src', src)
update()
while True:
ch = 0xFF & cv2.waitKey()
ch = cv2.waitKey()
if ch == ord(' '):
update()
if ch == 27:

2
samples/python/color_histogram.py
View File

@ -56,7 +56,7 @@ if __name__ == '__main__':
vis = hsv_map*h[:,:,np.newaxis] / 255.0
cv2.imshow('hist', vis)
ch = 0xFF & cv2.waitKey(1)
ch = cv2.waitKey(1)
if ch == 27:
break
cv2.destroyAllWindows()

2
samples/python/contours.py
View File

@ -66,5 +66,5 @@ if __name__ == '__main__':
update(3)
cv2.createTrackbar( "levels+3", "contours", 3, 7, update )
cv2.imshow('image', img)
0xFF & cv2.waitKey()
cv2.waitKey()
cv2.destroyAllWindows()

2
samples/python/deconvolution.py
View File

@ -122,7 +122,7 @@ if __name__ == '__main__':
update(None)
while True:
ch = cv2.waitKey() & 0xFF
ch = cv2.waitKey()
if ch == 27:
break
if ch == ord(' '):

2
samples/python/digits_video.py
View File

@ -92,7 +92,7 @@ def main():
cv2.imshow('frame', frame)
cv2.imshow('bin', bin)
ch = cv2.waitKey(1) & 0xFF
ch = cv2.waitKey(1)
if ch == 27:
break

2
samples/python/distrans.py
View File

@ -59,7 +59,7 @@ if __name__ == '__main__':
while True:
ch = 0xFF & cv2.waitKey(50)
ch = cv2.waitKey(50)
if ch == 27:
break
if ch == ord('v'):

2
samples/python/edge.py
View File

@ -49,7 +49,7 @@ if __name__ == '__main__':
vis = np.uint8(vis/2.)
vis[edge != 0] = (0, 255, 0)
cv2.imshow('edge', vis)
ch = cv2.waitKey(5) & 0xFF
ch = cv2.waitKey(5)
if ch == 27:
break
cv2.destroyAllWindows()

2
samples/python/facedetect.py
View File

@ -68,6 +68,6 @@ if __name__ == '__main__':
draw_str(vis, (20, 20), 'time: %.1f ms' % (dt*1000))
cv2.imshow('facedetect', vis)
if 0xFF & cv2.waitKey(5) == 27:
if cv2.waitKey(5) == 27:
break
cv2.destroyAllWindows()

2
samples/python/fitline.py
View File

@ -88,7 +88,7 @@ if __name__ == '__main__':
cv2.createTrackbar('outlier %', 'fit line', 30, 100, update)
while True:
update()
ch = cv2.waitKey(0) & 0xFF
ch = cv2.waitKey(0)
if ch == ord('f'):
if PY3:
cur_func_name = next(dist_func_names)

2
samples/python/floodfill.py
View File

@ -66,7 +66,7 @@ if __name__ == '__main__':
cv2.createTrackbar('hi', 'floodfill', 20, 255, update)
while True:
ch = 0xFF & cv2.waitKey()
ch = cv2.waitKey()
if ch == 27:
break
if ch == ord('f'):

2
samples/python/gaussian_mix.py
View File

@ -63,7 +63,7 @@ if __name__ == '__main__':
draw_gaussain(img, m, cov, (0, 0, 255))
cv2.imshow('gaussian mixture', img)
ch = 0xFF & cv2.waitKey(0)
ch = cv2.waitKey(0)
if ch == 27:
break
cv2.destroyAllWindows()

2
samples/python/grabcut.py
View File

@ -129,7 +129,7 @@ if __name__ == '__main__':
cv2.imshow('output',output)
cv2.imshow('input',img)
k = 0xFF & cv2.waitKey(1)
k = cv2.waitKey(1)
# key bindings
if k == 27: # esc to exit

2
samples/python/hist.py
View File

@ -84,7 +84,7 @@ if __name__ == '__main__':
cv2.imshow('image',im)
while True:
k = cv2.waitKey(0)&0xFF
k = cv2.waitKey(0)
if k == ord('a'):
curve = hist_curve(im)
cv2.imshow('histogram',curve)

2
samples/python/inpaint.py
View File

@ -41,7 +41,7 @@ if __name__ == '__main__':
sketch = Sketcher('img', [img_mark, mark], lambda : ((255, 255, 255), 255))
while True:
ch = 0xFF & cv2.waitKey()
ch = cv2.waitKey()
if ch == 27:
break
if ch == ord(' '):

2
samples/python/kalman.py
View File

@ -90,7 +90,7 @@ if __name__ == "__main__":
if code != -1:
break
if (code % 0x100) in [27, ord('q'), ord('Q')]:
if code in [27, ord('q'), ord('Q')]:
break
cv2.destroyWindow("Kalman")

2
samples/python/kmeans.py
View File

@ -44,7 +44,7 @@ if __name__ == '__main__':
cv2.circle(img, (x, y), 1, c, -1)
cv2.imshow('gaussian mixture', img)
ch = 0xFF & cv2.waitKey(0)
ch = cv2.waitKey(0)
if ch == 27:
break
cv2.destroyAllWindows()

2
samples/python/lappyr.py
View File

@ -70,5 +70,5 @@ if __name__ == '__main__':
cv2.imshow('laplacian pyramid filter', res)
if cv2.waitKey(1) & 0xFF == 27:
if cv2.waitKey(1) == 27:
break

2
samples/python/lk_homography.py
View File

@ -90,7 +90,7 @@ class App:
cv2.imshow('lk_homography', vis)
ch = 0xFF & cv2.waitKey(1)
ch = cv2.waitKey(1)
if ch == 27:
break
if ch == ord(' '):

2
samples/python/lk_track.py
View File

@ -85,7 +85,7 @@ class App:
self.prev_gray = frame_gray
cv2.imshow('lk_track', vis)
ch = 0xFF & cv2.waitKey(1)
ch = cv2.waitKey(1)
if ch == 27:
break

2
samples/python/morphology.py
View File

@ -79,7 +79,7 @@ if __name__ == '__main__':
cv2.createTrackbar('iters', 'morphology', 1, 10, update)
update()
while True:
ch = 0xFF & cv2.waitKey()
ch = cv2.waitKey()
if ch == 27:
break
if ch == ord('1'):

2
samples/python/mosse.py
View File

@ -176,7 +176,7 @@ class App:
self.rect_sel.draw(vis)
cv2.imshow('frame', vis)
ch = cv2.waitKey(10) & 0xFF
ch = cv2.waitKey(10)
if ch == 27:
break
if ch == ord(' '):

2
samples/python/mouse_and_match.py
View File

@ -78,6 +78,6 @@ if __name__ == '__main__':
drag_start = None
gray=cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
cv2.imshow("gray",gray)
if (cv2.waitKey() & 255) == 27:
if cv2.waitKey() == 27:
break
cv2.destroyAllWindows()

2
samples/python/mser.py
View File

@ -40,6 +40,6 @@ if __name__ == '__main__':
cv2.polylines(vis, hulls, 1, (0, 255, 0))
cv2.imshow('img', vis)
if 0xFF & cv2.waitKey(5) == 27:
if cv2.waitKey(5) == 27:
break
cv2.destroyAllWindows()

2
samples/python/opt_flow.py
View File

@ -83,7 +83,7 @@ if __name__ == '__main__':
cur_glitch = warp_flow(cur_glitch, flow)
cv2.imshow('glitch', cur_glitch)
ch = 0xFF & cv2.waitKey(5)
ch = cv2.waitKey(5)
if ch == 27:
break
if ch == ord('1'):

2
samples/python/peopledetect.py
View File

@ -65,7 +65,7 @@ if __name__ == '__main__':
draw_detections(img, found_filtered, 3)
print('%d (%d) found' % (len(found_filtered), len(found)))
cv2.imshow('img', img)
ch = 0xFF & cv2.waitKey()
ch = cv2.waitKey()
if ch == 27:
break
cv2.destroyAllWindows()

2
samples/python/plane_ar.py
View File

@ -75,7 +75,7 @@ class App:
self.rect_sel.draw(vis)
cv2.imshow('plane', vis)
ch = cv2.waitKey(1) & 0xFF
ch = cv2.waitKey(1)
if ch == ord(' '):
self.paused = not self.paused
if ch == ord('c'):

2
samples/python/plane_tracker.py
View File

@ -170,7 +170,7 @@ class App:
self.rect_sel.draw(vis)
cv2.imshow('plane', vis)
ch = cv2.waitKey(1) & 0xFF
ch = cv2.waitKey(1)
if ch == ord(' '):
self.paused = not self.paused
if ch == ord('c'):

2
samples/python/squares.py
View File

@ -49,7 +49,7 @@ if __name__ == '__main__':
squares = find_squares(img)
cv2.drawContours( img, squares, -1, (0, 255, 0), 3 )
cv2.imshow('squares', img)
ch = 0xFF & cv2.waitKey()
ch = cv2.waitKey()
if ch == 27:
break
cv2.destroyAllWindows()

4
samples/python/tst_scene_render.py
View File

@ -108,9 +108,9 @@ if __name__ == '__main__':
img = render.getNextFrame()
cv2.imshow('img', img)
ch = 0xFF & cv2.waitKey(3)
ch = cv2.waitKey(3)
if ch == 27:
break
#import os
#print (os.environ['PYTHONPATH'])
cv2.destroyAllWindows()
cv2.destroyAllWindows()

2
samples/python/turing.py
View File

@ -69,6 +69,6 @@ if __name__ == '__main__':
vis = a.copy()
draw_str(vis, (20, 20), 'frame %d' % frame_i)
cv2.imshow('a', vis)
if 0xFF & cv2.waitKey(5) == 27:
if cv2.waitKey(5) == 27:
break
cv2.destroyAllWindows()

2
samples/python/video.py
View File

@ -217,7 +217,7 @@ if __name__ == '__main__':
ret, img = cap.read()
imgs.append(img)
cv2.imshow('capture %d' % i, img)
ch = 0xFF & cv2.waitKey(1)
ch = cv2.waitKey(1)
if ch == 27:
break
if ch == ord(' '):

2
samples/python/video_threaded.py
View File

@ -81,7 +81,7 @@ if __name__ == '__main__':
else:
task = DummyTask(process_frame(frame, t))
pending.append(task)
ch = 0xFF & cv2.waitKey(1)
ch = cv2.waitKey(1)
if ch == ord(' '):
threaded_mode = not threaded_mode
if ch == 27:

4
samples/python/video_v4l2.py
View File

@ -58,10 +58,10 @@ while True:
cv2.putText(img, "FPS: {}".format(fps), (15, 80), font, 1.0, color)
cv2.imshow("Video", img)
k = 0xFF & cv2.waitKey(1)
k = cv2.waitKey(1)
if k == 27:
break
elif k == ord("g"):
elif k == ord('g'):
convert_rgb = not convert_rgb
cap.set(cv2.CAP_PROP_CONVERT_RGB, convert_rgb)

2
samples/python/watershed.py
View File

@ -56,7 +56,7 @@ class App:
def run(self):
while cv2.getWindowProperty('img', 0) != -1 or cv2.getWindowProperty('watershed', 0) != -1:
ch = 0xFF & cv2.waitKey(50)
ch = cv2.waitKey(50)
if ch == 27:
break
if ch >= ord('1') and ch <= ord('7'):

12
samples/tapi/ufacedetect.cpp
View File

@ -78,9 +78,9 @@ int main( int argc, const char** argv )
if( inputName.empty() || (isdigit(inputName[0]) && inputName.size() == 1) )
{
int c = inputName.empty() ? 0 : inputName[0] - '0';
if(!capture.open(c))
cout << "Capture from camera #" << c << " didn't work" << endl;
int camera = inputName.empty() ? 0 : inputName[0] - '0';
if(!capture.open(camera))
cout << "Capture from camera #" << camera << " didn't work" << endl;
}
else
{
@ -105,7 +105,7 @@ int main( int argc, const char** argv )
detectAndDraw( frame, canvas, cascade, nestedCascade, scale, tryflip );
int c = waitKey(10);
char c = (char)waitKey(10);
if( c == 27 || c == 'q' || c == 'Q' )
break;
}
@ -128,7 +128,7 @@ int main( int argc, const char** argv )
char buf[1000+1];
while( fgets( buf, 1000, f ) )
{
int len = (int)strlen(buf), c;
int len = (int)strlen(buf);
while( len > 0 && isspace(buf[len-1]) )
len--;
buf[len] = '\0';
@ -137,7 +137,7 @@ int main( int argc, const char** argv )
if( !image.empty() )
{
detectAndDraw( image, canvas, cascade, nestedCascade, scale, tryflip );
c = waitKey(0);
char c = (char)waitKey(0);
if( c == 27 || c == 'q' || c == 'Q' )
break;
}