Questions about visual images produced by computer processing, including graphical design, image editing, etc. For questions about graphics cards, use [graphics-card] instead.

learn more… | top users | synonyms (1)

37
votes
4answers
2k views

How computers display raw, low-level text and graphics

My ever-growing interest in computers is making me ask deeper questions, that we don't seem to have to ask anymore. Our computers, at boot, as far as I understand it, are in text mode, in which a ...
35
votes
12answers
46k views

Is there a tool to measure pixels on a screen

I'm looking for a program that measures a distance from point A to point B in pixels.(with crosshair cursor - not a pixel ruller aplication) I need something that doesnt require print-screen and paste ...
29
votes
5answers
7k views

How does the CPU and GPU interact in displaying computer graphics?

Here you can see a screenshot of a small C++ program called Triangle.exe with a rotating triangle based on the OpenGL API. Admittedly a very basic example but I think it's applicable to other ...
24
votes
11answers
3k views

Visio alternatives [closed]

I need an alternative to Visio for making diagrams (particularly signal processing block diagrams) that includes some kind of custom stencils + connection points. I just spent 2 hours learning bits ...
23
votes
7answers
30k views

How to download favicon from website?

When you browse a web site, the "favicon" icon shows up next to the URL (or the bookmark). If I want that graphic, is there a way to download it directly from the site? I'd prefer to download it ...
19
votes
10answers
6k views

Best PNG Compression Software? [closed]

I've just been trying to compress an image with the PNG image format and have had varying results from different applications. For reference, the image I am trying to compress is a screenshot of this ...
17
votes
5answers
547 views

How does a computer render an object to the screen?

Are all computer graphics rendered using polygons? What I mean is, some computer geometries are mathematically represented in the form of equations (for example, CAD software). Does the computer ...
13
votes
2answers
9k views

Connecting a 2560x1440 display to a laptop?

Having read Jeff Atwood's blog post on Korean 27" IPS LCDs, I've been wondering to what extent these are useful in a notebook + large display situation. I own a Lenovo Thinkpad Edge E320 with 2nd ...
12
votes
9answers
8k views

What is the best Paint-like program for Mac OS X? [closed]

I would like to have a similar program as MS Paint for OS X such that I can fast and easily add trivial text to my pictures.
11
votes
4answers
42k views

How to create transparent image in MS Paint?

I want to know how to draw transparent image in Microsoft Paint in windows 7. I searched it on google a lot but couldn't find anything for windows 7 paint. e.g. I want to draw a star for my ...
9
votes
8answers
12k views

Mac OS X: easiest (free, non-QuickTime Pro) application for converting numbered folder of images to movie

I'd like to convert a folder of PNGs into a quicktime .mov with PNG compression (it's a folder of fractals in an animation; PNG compression works great here and the losslessness is important). What ...
9
votes
2answers
3k views

Inkscape: how to create inner border?

I create figure and set border width to 1px. My image actual size is 100px. But with border this is 102px. How to set inner border instead of o*uther border*? In Protoshop I can select type of border ...
8
votes
7answers
975 views

Best way to describe vector vs raster

Many times at work, someone will ask me if they can get an image (company logo, for example) in EPS or SVG format. They assume that since I put the image on the company site, that I could easily ...
8
votes
5answers
3k views

Mouse Icon Distorted on Secondary Display

I have a strange issue with a dual monitor, extended desktop setup where the mouse is always fine on the primary monitor, but sometimes when I move to the secondary display the icon becomes garbled ...
8
votes
1answer
192 views

Modern GPUs: How “intelligent” are they?

There are many resources on 3D programming (OpenGL or DirectX) and the corresponding graphics pipelines available, but I'm wondering at which level they are implemented on a modern GPU. So far I've ...
7
votes
4answers
2k views

What is “Interlacing” when referring to a computer monitor or display?

When referring to a computer monitor or other display, what do you mean by interlace or interlacing?
7
votes
3answers
2k views

Why are PNG-8 files mangled when opened in Photoshop?

Why are some 32 bit PNGs opened in Photoshop with Indexed Colors and no transparency? For instance, I grabbed a png icon file of the Stack Overflow logo at: ...
7
votes
3answers
462 views

How to make videos like this

How can I create videos like this: http://vimeo.com/24302498 What software do they use? I see lots of these types of videos and curious as to what they use to make them.
6
votes
3answers
1k views

Auto image enhance for Ubuntu

F-Spot had an "enhance" button that magically turns the image on the left into the image next to it (see below). It worked brilliantly for quite a range of images. Unfortunately it has problems, and ...
6
votes
2answers
10k views

Editor for WMF files?

I'm looking for an editor for WMF files to run on Windows XP. I'd like to see both a graphical view ie. the current image, and the list of commands that WMF contains that created that image. My ...
6
votes
3answers
3k views

Does it make sense having FPS higher than the monitor refresh rate?

I've heard that the human eye processes twenty-four images per second. Also, monitors usually work with 60Hz. My question is, for a highly interactive application (e.g., a fast-paced FPS game) does ...
6
votes
3answers
544 views

No image from graphics card but image from onboard video

I have an HD 5970 running on a P8Z68-v LE motherboard and I have no image comming out of the graphic card. When I plug my screen on my motherboard, I see the bios and the OS. When I plug my screen ...
5
votes
4answers
12k views

Multi-Page PDF Banner/Poster from PDF

I'm looking for a utility that will take one large sized PDF, and split it into smaller PDFs for banner/poster printing. Looking for a linux or multi-platform solution. More Background My goal is ...
4
votes
2answers
289 views

Does PAL has any resolution? [closed]

I'm trying to learn about analog video signals like PAL,VGA and S-video. I recently read about PAL signal It says Each PAL frame consist of 625 lines, 25 frames per second However It says ...
4
votes
2answers
153 views

What software did Joel use to get this type of drawing? [duplicate]

Possible Duplicate: Software for designing prototypes (a raw design) of user interfaces Hello I have no graphic skills and would like to create drawings that look like this i.e. it ...
4
votes
3answers
4k views

Using GraphicsMagick or ImageMagick, how do I replace transparency with a fill colour?

Using GraphicsMagick, it's fairly easy to replace one colour with transparency... gm convert -transparent magenta src.png dst.png Unfortunately, I can't figure out a simple way to do the exact ...
4
votes
3answers
4k views

How do I change the canvas size of a PNG with ImageMagick (GraphicsMagick)? (How to pad with transparency?)

Alternatively: How do I take a non-square PNG and "fill out" the "rest" of the image with transparency so that the resulting square image has the original image centered in the square? ULTIMATELY, ...
4
votes
2answers
166 views

Can I boot up a virtual machine natively?

My question is: Is is possible to run a virtual machine natively on your hardware if you have installed the proper drivers etc? In other words, can I use a VHD as a regular hard drive to boot from? ...
4
votes
2answers
1k views

My Computer sees DVI connection as VGA and newest Intel Graphic Driver causes blank Screen (No Signal)

I have recieved a computer with Intel motherboard chipset DH67CL and on board GPU DT GT2. I have connected a DVI monitor (Acer AL1721 or iiyama prolite e481s). I have installed Windows 7 64 bit ...
4
votes
1answer
307 views

Install Windows without a graphic card

I am trying to check if it's possible to install Windows (no matter which version at the moment) without any graphic card in the hardware. So the question is not "how do I install Windows without a ...
4
votes
4answers
3k views

Converting PNG32 file to PNG8 without losing alpha channel

I'm using Linux and have no access to any of Adobe's 'fancy' programs. I'm trying to convert an existing PNG32 image with alpha channel to PNG8. I have tried the following methods: convert ...
4
votes
4answers
883 views

Can a picture file be renamed based on a unique barcode contained within the picture?

I have a collection of about 3,000 photographs that represent my company's product line. Each picture is taken inside a special light box. A unique barcode representing the product is generated, ...
4
votes
1answer
194 views

How to correct a screen wrapping around?

I got my hands on a Ubuntu System (which was displaying correctly) and I installed CentOS 6.3. The screen is wrapping around on itself. Any ideas? See for yourself
4
votes
2answers
4k views

Illustrator “Save for Web & Devices” returning crappy, pixelated images

I'm trying to create a nice title for my webpage... a big white title to sit on a black background. I'm using Illustrator to do so. When I create it, it looks nice, but when I hit "save for web & ...
4
votes
1answer
327 views

ARM Compiled QEMU - “standard VGA not available”

I followed this guide to compile QEMU so that I could run a Raspberry Pi Archlinux image in it - which I learned how to do in this guide. I'm trying to run x-server on the virtualized Archlinux ...
4
votes
3answers
13k views

Display is slightly blurry on (native) 1920x1080 resolution

I have a computer monitor that is approximately 23" in size. Its native resolution is 1920x1080, and Windows 7 will not allow it to be any higher. However, I cannot make the resolution a little lower ...
4
votes
2answers
204 views

Windows tool which can create a 3D text or logo in batch or command line?

I want to create text in 3D or create logos but wanted to automate the process to create a large number of them by passing in the text. Are there any tools for Windows that can work in any kind of non ...
4
votes
0answers
59 views

Is it possible to make Windows only use part of my screen? [duplicate]

Possible Duplicate: How to trick windows 7 to use only a part of the screen The left 25% of my display is damaged, and I would like to make Windows not use this damaged portion of the ...
3
votes
6answers
2k views

Good application to render or convert SVG files to other file formats [closed]

I need to render SVG files to other file formats (.png, for example.) What's a good application for performing that render or conversion? Specifically, I need an application that runs on Windows. ...
3
votes
4answers
138 views

tools: graphics and logo design [duplicate]

Possible Duplicate: Looking for a good free image editor My teenager wants to learn web graphics and logo design. What kind of tool are out there to help her get started. I would rather buy ...
3
votes
8answers
350 views

Which software is best for small photoediting features? [closed]

I want the software which is lightweight. Where can I add some text, mark some areas and cut some portion to save as a new photo? I have Photoshop, but that's too heavy to do a small job like this. ...
3
votes
2answers
281 views

Does a larger laptop screen size reduce graphics performance?

For example, does a laptop with a 17" screen have lesser graphics performance than the same graphics card in a laptop with a 15.6" screen? The common sense answer would be "yes", but in the computer ...
3
votes
5answers
9k views

What graphics card benchmark software do you recommend?

The graphics rendering on my development machine "feels" slow so I've just bought a graphics card to replace the on board graphics card. Before I install it I want to run some software that will ...
3
votes
3answers
500 views

Are Windows 8's Modern UI graphics hardware accelerated?

The start screen is really slick and smooth and I'm quite impressed by how snappy everything seems, but I noticed something interesting... Even when connected over RDP, the animations seem just as ...
3
votes
3answers
274 views

How can I create a screen shot with emphasis?

How can I create a screen shot like the above? I am using a Mac.
3
votes
2answers
395 views

Graphical Equivalent to /dev/null?

I'm trying to run a GTK-based plotting library that I wrote over an SSH terminal that's too slow to run an X session over. GTK assumes that a graphical display is present and won't work otherwise. ...
3
votes
4answers
7k views

Utility to quickly convert a sequence of images to an animated GIF

Is there a simple utility to quickly convert a sequence of images (I have 3) to an animated GIF with some settings, like time delay? I need to convert a couple of such sequences with the same ...
3
votes
2answers
565 views

Just installed Windows 7, some things not working out-of-the-box

My Dell Inspiron N5010 laptop is a little under a year old now. It came with Windows 7 x64. When I first bought it Windows Aero was working fine. Anyway, it got infected with trillions of viruses ...
3
votes
2answers
3k views

How can I find the GUID of my graphics device?

How can I find the GUID of my directx/direct3d graphics device in Windows 7? I need to put it in a registry entry.
3
votes
2answers
120 views

How can I convert a PNG to a vectorized image?

This is the best I've found so far: http://www.tlhiv.org/rast2vec/ It works otherwise ok except that it does not support PNG transparency (it's simply gone in the resulting vector).