12/27/2022 0 Comments Duckcapture make jpeg and png images![]() ![]() Then it will show you the overlapping segments in a pop-up window.Ĭlose the windows if they look OK to you.īy the way, you need to install various libraries, something like this: sudo apt install python3-opencv It will display the files in your /Pictures/Screenshots/ directory.īut you have to edit your home directory in line 9. ![]() Print("\nResult written to `scroll.png`, bye.") Scroll = np.zeros((sum(rowses) - sum(bottoms), cols1, 3), np.uint8)įor (i, rows, bottom) in zip(seq, rowses, bottoms): Img1 = img2 # Let img1 := current image repeat Plt.title('Detected fragment'), plt.xticks(), plt.yticks() # plt.title('Matching Result'), plt.xticks(), plt.yticks() # plt.subplot(121),plt.imshow(res, cmap = 'gray') # **** Show the aligned image in a new window Print("\t**** Position too low, bottom assumed = 0")īottoms.append(bottom) # keep a record of it Print("\tFound: bottom location =", bottom) If method in :īottom_right = (top_left w, top_left h)Ĭv2.rectangle(img, top_left, bottom_right, 255, 2) # draw the found region in red # If the method is TM_SQDIFF or TM_SQDIFF_NORMED, take minimum Min_val, max_val, min_loc, max_loc = cv2.minMaxLoc(res) # Pick the best match Res = cv2.matchTemplate(img2, tmp, method) Method = eval('cv2.TM_CCOEFF') # 'cv.TM_CCOEFF_NORMED', 'cv.TM_CCORR', 'cv.TM_CCORR_NORMED', 'cv.TM_SQDIFF', 'cv.TM_SQDIFF_NORMED' # **** Use OpenCV's template matching function. Img = py() # a copy of the image, for display Print("\tmatching template size = %d x %d"% (h, w)) # the left and right 10 pixels are cut off to allow for edge align error # which is created from the last 15 rows of img1 Print("img1 size = %d x %d"% (rows1, cols1)) # **** Find the positions to stitch the imagesīottoms = # the "skipped" amount for each image Seq = list(map(int, input("Enter file sequence : ").split(','))) Prefix = 'home/yky/Pictures/Screenshots/' # **** Print list of screenshot files sorted by time Save this program as: stitch-images.py import cv2 The program will find the overlaps and stitch them together. The current image may have some overlap with previous image. I wrote a little program to help achieve this.įirst, capture your screenshots, scrolling manually. It is a useful feature and one I will research further to see how it could be implemented, although at least scrolling webpages (as below) can be captured in Shutter with the gnome-web-photo plugin. firefox scrolls 50px and nautilus 35px when you use the mouse wheelĢ) How to detect the last screenshot to take? I've a partly working solution here by comparing the screenshots. There seems to be problems in implementing the functionality, as the developer notes that there are still 'several unsolved problems':ġ) The scrolling is not the same in all application, e.g. However, it doesn't seem to be in the latest release. Shutter doesn't currently support taking scrolling screenshots of your files in your file manager's windows, although the developer is said to be targeting 0.90 as the release that will include the new functionality, as noted at Launchpad. This may be of some use for you, but it probably isn't ideal. You can also use this website screenshot feature for local uris such as file:///home/mike/bin but you only get a list view of the files, but a tall one at that. In the resulting tall webpage further below I've tried to reduce the image quality and size a bit (it's just 31kb now). Then restart shutter, click the globe to get this dialog and then enter the desired url. However, it appears that Shutter can capture tall, scrolling webpages (and local file:/// locations) if you install the necessary plugin: sudo apt-get install gnome-web-photo This feature has been discussed many times, for example at Ubuntuforums, but there aren't really any perfect solutions apart from the workarounds listed on that forum, as none of the screenshot applications for Linux based systems seem to have the desired functionality. ![]()
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