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Results tagged with imagemagick
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user 67201
Imagemagick is a cross-operating-system bitmap manipulation software package, run from commandline and programmable through a variety of programming languages.
4
votes
Drop shadow for animated GIF
For GIF the drop shadow is going to be complicated for two reasons:
The drop shadow on your PNG relies on partial opacity to blend the shadow with the page background. But the GIF format doesn't sup …
- 17.8k
2
votes
How To Estimate Brightness-Contrast Value of Gray Figure?
I don't think you can see this in terms of brightness/contrast, what you can do is
using Levels, make sure that the histograms of both images have the same span (one may not have blacks or whites)
f …
- 17.8k
2
votes
How does tinypng.com minimize pictures?
For ImageMagick
convert input.png PNG8:output.png
Now, it depends what kind of PNG you have. …
- 17.8k
1
vote
Method to find coordinates of where image is cropped
Create the image to the size you want to submit
Make a horizontal "Hue" gradient (with value=100%)
Add a layer, make a vertical black to white color gradient, and set layer mode to "Multiply" or ("V …
- 17.8k
1
vote
Accepted
Cut out part of image canvas
For Gimp:
With two of the scripts you'll find here: ofn-guillotine-layer and arrange-layers (arrange-layers is describe in more details here:
Create horizontal guides where you want cuts to happen
…
- 17.8k