Created
November 8, 2019 02:23
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Scroll big image using opencv trackbar
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int slider_max, slider, displayHeight; | |
int displayWidth = 1900; | |
Mat src1; | |
Mat dst; | |
cv::Rect roi; | |
static void on_trackbar(int, void*) | |
{ | |
roi = cv::Rect(slider, 0, displayWidth, displayHeight); | |
dst = src1(roi); | |
imshow("Stitch Result", dst); | |
} | |
int main(void) | |
{ | |
src1 = imread("D:/C_Backup_Folder/Ivan_codes/DeepRoadStitching/Result/curved.MP4_0.jpg"); | |
cv::rotate(src1, src1, cv::ROTATE_90_CLOCKWISE); | |
cv::resize(src1, src1, cv::Size(src1.cols/2, src1.rows/2)); | |
if (src1.empty()) { cout << "Error loading src1 \n"; return -1; } | |
slider_max = src1.cols - displayWidth; | |
slider = 0; | |
displayHeight = src1.rows; | |
namedWindow("Stitch Result", WINDOW_AUTOSIZE); // Create Window | |
char TrackbarName[50]; | |
sprintf(TrackbarName, "Pixel Pos"); | |
createTrackbar(TrackbarName, "Stitch Result", &slider, slider_max, on_trackbar); | |
on_trackbar(slider, 0); | |
waitKey(0); | |
return 0; | |
} |
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