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Questions tagged [bmp]

BMP (Windows Bitmap) is a graphics format as a bitmap (composed of pixels) used by the graphics subsystem (GDI) in Microsoft Windows, and is generally used as a graphics format that platform.

32 questions
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votes
6 answers

Convert a bunch of BMP files to JPEG on Linux

Someone sent me a bunch of BMP files and I need them in JPEG. I could convert them one by one using GIMP, but I'd rather do it all in one go. I have Ubuntu.
JoelFan
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43
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8 answers

JPEG vs PNG vs BMP vs GIF vs SVG

I would like to know which one of these formats requires less memory for the same quality of the picture, and what are the main differences between these formats.
Narek
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19
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3 answers

Is there any quality difference between PNG vs BMP image formats?

I have just learned that PNG is a lossless image format while BMP can be both uncompressed or lossless format. Should there be a quality difference between these two? If not, does it mean that other lossless formats like TIFF, JPEG2000 and PNG offer…
user1032421
  • 307
9
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2 answers

How to save image as 32-bit BMP?

I have an image with alpha channel, I need to save it as 32-bit BMP. However, Microsoft Paint doesn't allow saving as 32-bit, only 24-bit. I have Photoshop CS5, but it also doesn't have the option to save as 32-bit BMP. Any solution?
jondinham
  • 359
8
votes
5 answers

Convert BMP to PNG on right-click in Windows 7

I want to select 1 or more BMP files in Windows 7 file explorer, right-click them, click "convert to PNG", and have them all replaced by PNGs with identical information. What are some possible solutions to do this? Currently I'm opening them in the…
endolith
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8
votes
1 answer

How to create PocketBook-compatible BMP files using ImageMagick?

PocketBook 611 is a black-and-white e-book reader. PocketBook 611 (and models of similar age, before touch displays were introduced) uses a very specific BMP format for its so-called "Power-off Logo" (wallpaper for e-ink display, when it is turned…
andrybak
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2 answers

How to create a movie from several .bmp-files under Linux?

I have generated 90 .bmp files and now would like to generate a 3 second video with 30 frames per second from this. Preferrably in the .mov format, but any common format would be ok. Is there any (free) program available that can do this?
Benno
  • 229
5
votes
3 answers

convert serveral image files to a single djvu file

Suppose I have serveral BMP image file, say 001.bmp, 002.bmp,..., 100.bmp. I want to convert these files to a single djvu file, whose first page is the content of 001.bmp, the second page is the content of 002.bmp...etc. What is the best way…
user565739
  • 613
4
votes
1 answer

Why are there three fields in my image resolution?

When analyzing my BMP image, I found that there are three fields in my resolution, ex. 960 x 540 x 32. Why is this happening? I have a BMP file I am trying to run steganography software on. While trying to run, the software tells me that the bmp…
Rogue
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4 answers

IE 8 likes to save photos as BMP when the photo is JPG. How to solve this?

When I use FF or Chrome to look at photos on Facebook, and save the photos to the hard drive, the photos will be saved as JPG, which is what the photo is originally. But once in a while when IE 8 is used, the photo will be saved as BMP. (try the…
nonopolarity
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3
votes
3 answers

Saving an image as bmp file in Photoshop CS on Mac

I have a Mac and I am trying to save my Photoshop CS5 extended file as a BMP. When I click save as the only ones available are Photoshop, Large Doc, Photoshop eps, JPEG, JPEG 2000, Photoshop DDF, Photoshop 2.0, Photoshop raw, Scitex, Tiff, and…
Karen
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3
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1 answer

Linux convert jpeg to bmp, xsetroot complains "bad bitmap format", how to fix this?

I am creating a JPEG file, converting to BMP then using with xsetroot, but that is failing. 1) Make a JPEG file $ convert -size 800x600 xc:transparent \ -font Bookman-DemiItalic -pointsize 50 \ -draw "text 25,90 'Please wait.'"…
YumYumYum
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3
votes
2 answers

(Batch) convert a BMP to a PNG with transparency

I have +- 500 .bmp's that I would like to convert to .png's. It would be especially nice if the color white (#FFFFFF) of the original BMP's could be converted to transparent in the .png's. PNG-8 is enough since the .bmp's are 16-colors. I would…
dtech
  • 818
2
votes
1 answer

Best way to convert BMP to PNG while maintaining quality?

Is this possible convert BMP to PNG while maintaining quality? I am trying to reduce the size of some albums that are in BMP, but still maintain the lossless quality. Just tried XnConvert and setting it at “1” compression I noticed quality loss.…
HyeVltg3
  • 61
2
votes
3 answers

Using avconv (ffmpeg) to concatenate a bunch of .bmps into a mkv/avi video

Trying to figure out how to get avconv to concatenate a bunch of .bmps together into a video file. Here's what I've got so far: avconv -f image2 -i Capture/%d.bmp -vcodec mpeg4 -r 24 -b:v 20M Capture.mkv While this does work, the quality is…
user1509246
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