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Questions tagged [png]

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58 views

Windows visio pngs can't be opened on linux

I have a PNG image created from VISIO under windows which I tried to use in LaTeX. However, every linux program (LaTeX, Okular, GimP) claims the file is corrupted, however, it shows up fine in Chrome. ...
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0answers
142 views

Create small high-quality GIF/APNG from a bunch of PNGs

I have 50 PNGs (like those ones here) and I would like to create a GIF (or APNG) animation from it that approximately retains the quality and is small. What I'm doing so far is to rescale and throw ...
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0answers
51 views

match and replace section in PNG file

is it possible to use command line program to replace a section within PNG when it match sample picture? like: When weather report in PNG match the image of "sun.png", replace that specific section ...
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0answers
141 views

crop and convert to pdf adds unwanted margin

I have a few PNG files that I want to print in a certain scale. For that I want to convert each of them to (DIN-A4 sized) PDF and crop into multiple pages. So far I've used this command: convert -...
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0answers
9 views

Using convert to crop scanned images and create pdf

I have 3 images I've scanned, that are legal sized (8.5*14), but the scanned paper is actually letter (8.5*11). I want to crop off the bottom 3 in from each image and output 1 image per page. This ...
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20 views

Why is my png image data disappearing?

I've been creating a few PNG images with some maps in the last days (using R). After the images are finished, I move them to a separate folder labeled "ok", so I don't get the risk of overwriting them ...
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50 views

GStreamer: APNG, GIF or animated WebP

I want to generate an animated preview of a video using gstreamer for preview on a webpage. I'm able to get a static PNG with the pipeline filesrc location=... ! decodebin ! videoconvert ! pngenc ...