image-manipulation Questions

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I'm looking to do something like this but with CSS or JavaScript. I need to highlight a certain part of an image but everything I find is how to do it in Photoshop. Can I do this with CSS or maybe...
Repulse asked 25/2, 2011 at 15:51

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All disc-shaped images I see are actually within a rectangular box, and have the sides (black portions in the below image) made transparent. Is it possible to have a circular canvas itself? Or w...
Newsletter asked 31/7, 2012 at 15:37

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I have spent the last 5 hours trying to find a feasible way to accomplish what seems to me quite an easy task if it was a previous version of the .NET family that I was working with: Uploading a ...

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I try to concatenate three images vertically and I need some assistance with the code/function. So far I imported one image and cropped 3 smaller images with the same size. Now I want to concatenat...

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I'm writing a card game and need my cards to be different sizes in different circumstances. I am storing my images as bitmaps so that they can be quickly drawn and redrawn (for animation). My prob...
Blender asked 27/1, 2011 at 20:29

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How do you convert a System.Drawing.Bitmap image to another type of image? I tried CType, which failed, since I do not know the type for .png or .jpg. I cannot find it anywhere on google either. W...
Floss asked 6/9, 2009 at 1:27

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I am taking two images in python and overlapping the first image onto the second image. What I would like to do is blend the images where they overlap. Is there a way to do this in python other tha...
Grettagreuze asked 17/3, 2015 at 18:13

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I want to crop images automatically. I am using ImageMagick for this . Command i am using convert 3.jpg -fuzz 10% -trim trim.jpg How do i fix this . I think there is problem with fuzz f...
Chaulmoogra asked 14/6, 2016 at 5:51

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ImageMagick can draw text into a picture in a given font, how can I see all available fonts for my system?
Zingaro asked 8/9, 2009 at 9:7

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How can I easily resize an image after it has been uploaded in Django? I am using Django 1.0.2 and I've installed PIL. I was thinking about overriding the save() method of the Model to resize it, ...
Learn asked 8/3, 2009 at 15:3

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I want to constrain an image only if they exceed either maximum dimensions while keeping the original ratio intact. So let's say my parameters are a max height and width of 600. An image of 1000...
Cubicle asked 7/11, 2016 at 14:44

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I'm trying to draw images on the iPhone using with rounded corners, a la the contact images in the Contacts app. I've got code that generally work, but it occasionally crashes inside of the UIImage...
Beller asked 15/10, 2008 at 16:32

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How to resize an image an image in C# to a certain hard-disk size, like 2MiB? Is there a better way than trial and error (even if it's approximate, of course). Any particular keywords to search fo...

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I have a requirement wherein I need to merge two different png/jpeg images resulting into a single image using C#.Net. There will be a particular location defined on the source image wherein I need...
Claudy asked 17/6, 2011 at 8:17

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For a given multi-color PNG UIImage (with transparency), what is the best/Swift-idiomatic way to: create a duplicate UIImage find all black pixels in the copy and change them to red (return the m...
Ruwenzori asked 27/7, 2015 at 18:52

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I have a bunch of icons, and I need to create grayed versions of them to be used when the corresponding command is disabled. How can I do that in an easy way, preferrably using GIMP since that is t...
Aplenty asked 21/2, 2011 at 17:54

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I am working on a photo software for desktop PC that works on Windows 8. I would like to be able to remove the green background from the photo by means of chroma keying. I'm a beginner in image ma...
Myceto asked 3/1, 2014 at 10:6

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My app works with photos and videos of people, which I want to cartoonify. So I need an algorithm to do it manually (we use c++/Qt for our product, which has image manipulation classes) or perhaps ...
Tletski asked 31/8, 2009 at 13:11

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I am wondering if there is a way to combine multiple images into a single image using only JavaScript. Is this something that Canvas will be able to do. The effect can be done with positing, but ca...
Luminiferous asked 1/10, 2008 at 17:30

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Consider the following file: -rw-r--r-- 1 user user 470886479 2009-12-15 08:26 the_known_universe.png How would you scale the image down to a reasonable resolution, using no more than 4GB of RAM...
Herringbone asked 20/7, 2010 at 0:43

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I am developing a Mac OS X application which, as part of it's UI, will display many visual elements in it's main view which can be selected. These elements can be positioned really anywhere within ...
Catchascatchcan asked 16/1, 2010 at 23:16

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The PHP function exif_read_data() requires a filename for input, however I only have the image data in a string (such that I can use imagecreatefromstring()) and I can not write it to a temp file. ...
Absinthe asked 28/3, 2011 at 22:11

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My Question: I want to be able to change the brightness of a resource image and have three instances of it as ImageIcons. One at 50% brightness (so darker), another at 75% brightness (a little brig...
Challenging asked 19/10, 2012 at 19:2

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Hi we're having a really frustrating moment with the launch screens (note: NOT launch images). The problem we're having is that some images appear on the launch screen whilst others do not. The...
Artis asked 4/2, 2016 at 12:19

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Having two or more images that partially overlap, like in this screenshot, I want to combine/merge them into one: The coloured squares would be the source images, in lossless format, and no rota...

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