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Questions tagged [bitmaps]

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2 votes
1 answer
543 views

Decode/convert from monochrome 1-bit bitmap image to PNG from the command line?

I have a binary blob, and I know that it carries bitmap image data, 1-bit depth. However, I don't know how the bitstream can be decoded; judging from the screenshot from here, which is of a program ...
sdbbs's user avatar
  • 1,402
0 votes
3 answers
569 views

Why does a .bmp image have two types of file headers?

I recently opened 2 identical bitmap images in Notepad++ The one header begins with: 'Bmb' and the other with: 'Bm~' Why is that?
Lance Marchetti's user avatar
1 vote
0 answers
831 views

Colors changing to black when changing from .BMP to .ICO in Windows 10

I would like to create a custom icon for a shortcut (in Windows 10). Several sites like this one suggest first creating a bitmap, and then saving that .bmp with a .ico extension. I follow the ...
nuggethead's user avatar
0 votes
1 answer
221 views

Creating an image from excel spreadsheet data

I have a spreadsheet representing 2D measurement data. Think of each cell's numeric value as a pixel intensity at (x,y) where x is the cell's column and y is the row. I would like to visualize the ...
Michael's user avatar
  • 347
0 votes
0 answers
85 views

Given a printing of a monochrome bitmap image, how can I recover the bitmap?

I have a printout (scan, really) of what was originally a monochrome bitmap image. The pixels are clear enough that I can manually doodle in a reproduction of it in Paint or Gimp or some other image ...
John O's user avatar
  • 755
2 votes
1 answer
1k views

Can GIMP on Windows use BDF or PCF bitmap fonts?

I'm trying to use copies of the venerable misc-fixed bitmap fonts in a Windows 10 installation of GIMP 2.10.12. As far as I can tell, they should appear in the list of fonts after placing them in one ...
EchoLynx's user avatar
  • 368
0 votes
1 answer
622 views

Generate bitmap texture from bitmap font and string

I downloaded nice bitmap fonts and I can easily convert them to many other bitmap font formats (.fon,.sfd ...) using FontForge but I'm missing very basic thing - how to generate actual bitmap image? ...
Prokop Hapala's user avatar
0 votes
0 answers
80 views

How can I effectively look at images in shell32.dll by simply looking at the raw data and chang how it's rendered?

I'm using this website http://rawpixels.net/ to look at the shell32.dll file and I'm trying to find the right settings to use so I can see the icons within the file. I know that there should be an ...
Andrew900460's user avatar
0 votes
1 answer
1k views

BM Generator for Simplified Chinese

I'm not sure if this is the right place to ask this (maybe language exchange is worth a shot too?) but I figured I'd give it a go in case somebody knows. I'm using Bitmap font generator to generate a ...
vexe's user avatar
  • 145
0 votes
2 answers
2k views

How does a GPU know the address of each and every pixel on a screen? If so how does it cope with high resolution images?

I know how bitmaps work and how pixels are used (binary 0 or 1). I am also aware of RGB but the thing I wonder about is how GPUs know the address of each pixel on a high resolution screen and how the ...
CasualGenius's user avatar
2 votes
2 answers
956 views

How to force Illustrator to accurately trace the actual pixels?

I’m trying trace and convert a bitmap to a vector image, but I need Illustrator to actually trace the actual pixels, not smooth them out. I’ve tried various settings with “Live Trace,” but the result ...
user495869's user avatar
0 votes
1 answer
300 views

How can I divide a drawing into a unequal size blocks using Paint.NET?

I have a magnificent set of hand drawn rune cards that I wish to scan into a runic encyclopedia of some sort. Each card is 100mm x 80mm, so I could fit 6 per A4 page to scan them. After a little edit, ...
ProfK's user avatar
  • 2,651
3 votes
1 answer
934 views

Creating bitmap fonts with just text editor?

I'd like to design a few icons for my window manager. For this purpose, I'd like to use bitmap fonts such as siji (which is too small for my needs, unfortunately): But instead of using large software ...
rr-'s user avatar
  • 528
0 votes
1 answer
918 views

How to work out bitmap for a hard drive in free allocation

Reading up on wiki on bitmap as a method hard drives use to find out sectors that are available to store data to or not. Examples are given showing the size of a bit map. with hard drive size and ...
lecardo's user avatar
  • 115
1 vote
0 answers
4k views

How to edit the Boot Graphics Resource Table / Edit windows 8 BOOT LOGO? [duplicate]

I want to edit the screen which is displayed when windows 8 (starts) loads (/loading). As for now it has the Toshiba logo, I want my custom logo or the windows default logo. I have found that UEFI ...
user avatar
2 votes
0 answers
54 views

Which older DTP software has exported these bitmaps? [closed]

There's a lot of such full-page bitmaps (sample 1, sample 2, sample 3) floating around the data-entry market. Apparently the software that generated these can export the bitmaps, but not the text, ...
John Hammond's user avatar
0 votes
2 answers
534 views

Extract bitmaps from Win98 SOL.EXE

I installed Windows 98 in a Virtualbox with the games. Then I sent myself the game Solitaire (SOL.EXE). Now I have SOL.EXE on Windows 7 and it actually runs. But I just wanted to extract the bitmaps ...
user avatar
1 vote
0 answers
97 views

Send bitmap screen output directly to a file

The question Set an HTML page as the wallpaper on Linux got me thinking... is there a way to open an application so that the raster output which would otherwise be displayed on the screen is rendered ...
Barton Chittenden's user avatar
8 votes
3 answers
30k views

Using BMP format for lossless/high quality?

I've heard bitmap (.bmp) is an uncompressed image format to store images. Does it mean that it can store images in high quality i.e. with no loss of quality in other words, lossless format? I'm ...
user1032421's user avatar
2 votes
2 answers
15k views

Inkscape: Turning a bitmap png image into a svg object

I am using Inkscape to try and trace a bitmap image into an svg object. I have used Trace Bitmap as explained here: https://superuser.com/a/79221/84604 But now I don't know how to separate the ...
719016's user avatar
  • 4,457
22 votes
2 answers
11k views

How to check which SysRq functions are enabled?

The file /proc/sys/kernel/sysrq contains a single number, such as: 1 (enable all SysRq commands), 0 (disable all), or a base-10 positive integer which functions as a binary bitmask, enabling a subset ...
user001's user avatar
  • 3,714
1 vote
1 answer
583 views

How do "file headers", "bit maps" and "inodes" come into the picture when managing filesystems?

I'm a little confused on how these terms are thrown around in a book that I am reading. Are they all different terms that refer to the same concept, or are they slightly different implementations ...
Kaitlyn Mcmordie's user avatar
8 votes
2 answers
8k views

How to stretch an image in one dimension?

The title says much, but I'll explain in detail a little more. I need to stretch an image in one dimension only. That is, if the image is for example, 100x100 (Width x Height) I need it to be 100x104 ...
Rook's user avatar
  • 24k
7 votes
5 answers
42k views

How to test if a bitmap file has a transparent background?

I created a bitmap with transparent background but in the Windows Picture Viewer I see the white background and even if I reopen it in Photoshop CS3. how do I make sure the white colour in bitmap is ...
cpx's user avatar
  • 1,405
6 votes
5 answers
1k views

Looking for "bitmap-vector" image editor [closed]

I used to use PhotoImpact which is no longer developed so I'm looking for a replacement. What made PhotoImpact great to me was the ability to work in both bitmap and vector modes. What I mean by that:...
Borek Bernard's user avatar
1 vote
2 answers
2k views

Convert dwg file into a high resolution bitmap

I'm trying to convert an autocad drawing into a bitmap, that has better resolution than a simple screen capture.
Kevin's user avatar
  • 595
2 votes
3 answers
947 views

Save and restore multiple layers within a Photoshop action that flattens

I'm editing comic pages with layers - "background", "foreground", "lineart" and "over lineart". I have a Photoshop action that includes a Mode->Bitmap command, which requires the image to be ...
user avatar
0 votes
1 answer
204 views

Image Resizing by Slicing

A while ago I read an excellent treatise on resizing images without visible aspect distortion, using an intelligent slicing algorithm. I even found a Gimp plugin to do this, but I have completely ...
ProfK's user avatar
  • 2,651
8 votes
5 answers
31k views

How to convert poor quality bitmap image to vector?

I'm designing a website for a group which has lost the original digital image for their logo. The only file they have of it is a jpg which was embedded into a word document. The image has everything ...
Macha's user avatar
  • 5,332
4 votes
5 answers
6k views

Convert color photos of documents to good black-and-white (bitonal) images?

Since I don't have a copier or scanner, I'm using an 8 megapixel camera to copy documents. This works pretty well except they need a lot of processing afterward. I'd like to get from a photo to a ...
Norman Ramsey's user avatar
16 votes
3 answers
47k views

How can I identify fonts from an image? [closed]

Many times I come across bitmaps with nothing but text paragraphs, so I was looking for a way to identify the font used, the paragraph alignment, line spacing and color, bold, italics. Would an OCR ...
Robin Rodricks's user avatar