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24th July 2008, 23:50 | #1 | Link |
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Join Date: Jul 2008
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DropShadows
I'm using DVD GUI to write .AVS files.
I am trying to tweak it once I have the .AVS exported. One thing I am trying to do is apply a nice looking DropShadow to my moving images. If you know a way please post it. ########## Below is my crappy example of what I am trying to do in an .AVS file. YOU MIGHT WANT TO COPY AND PASTE INTO AN EDITOR. IT has comments as to what I am thinking. #### BEGIN CODE ##### # Variables img = ImageSource("C:\MyImage") # Image msk = ImageSource("C:\MyMask") # Mask # My function being called. img = ImgDrpShdw(img, msk) # The guts of this function are shown below. # of course there is a ton of code missing, and if you are familiar with DVD GUI you are familiar with the generic "img" variable #img gets returned inside of the KenBurns zoom function, there is also a moving background that I am leaving out of this example. # this is the function i wrote in an attempt to apply a Drop shadow to my Animated Image. function ImgDrpShdw (clip a, clip b) { # clip a is intended to be main image. #clip b is intended to be mask. # Width and Height set to Main Image - Main Image changes it's dimensions throughout the slideshow W = width(a) H = height(a) # has to be converted to RGB32 or it won't work a = a.ConvertToRGB32() # mask changed to fit Main clip. b = b.BilinearResize(W, H).ConvertToRGB32() # my attempt at a transparent BG transBG = blankclip(width=W, height=H, color=$000000) # This removes the color black, and of course the blankclip is black. transBG = resetmask(transBG).colorkeymask($000000, 128) #Overlay Image with mask and transBG msk = overlay(transBG, a, mask=b, mode="blend") return msk } ##### END CODE ##### That is it... i have been doing this for two whole days... nothing seems to work. So i broke down and decided to post on this forum. If you can help I would appreciate it. |
25th July 2008, 21:34 | #2 | Link |
Avisynth language lover
Join Date: Dec 2007
Location: Spain
Posts: 3,433
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It's not clear from your post what form your mask image takes.
Assuming that it's actually an alpha channel transparency mask, then you need to change these lines Code:
msk = ImageSource("C:\MyMask") ... b = b.BilinearResize(W, H).ConvertToRGB32() ... msk = overlay(transBG, a, mask=b, mode="blend") Code:
msk = ImageSource("C:\MyMask", pixel_type="RGB32") ... b = b.BilinearResize(W, H) ... msk = overlay(transBG, a, mask=b.ShowAlpha, mode="blend") - ImageSource defaults to RGB24 - Overlay does not use the alpha channel explicitly, you have to use ShowAlpha Last edited by Gavino; 25th July 2008 at 21:37. |
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animated, avs, drop shadow, dropshadow, image |
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