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Questions tagged [image-scaling]

The use of interpolation to spatially stretch or squeeze an image by manipulating the underlying image data -- directly, or through API or ABI calls.

639 questions
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How should scale overlay image?

I have a simple function for creating image overlay. public String getMyPath(Application app, Context c) { String path = Environment.getExternalStorageDirectory() + "image.jpg"; Bitmap bmap = BitmapFactory.decodeFile(photo); Bitmap…
Misko
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Resizing and encoding large Tiff images on the server without GDI+ or WPF

Perhaps I'm doing it wrong but I don't think WPF or GDI+ classes are intended to process large images on a server. I have an app that needs to transform many large tiff files to different formats and sizes. Thumbnails and previews of these files…
JoseMarmolejos
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copy, resize, move image with php

I'm looking to copy, resize, and move an image. This is simular to how wordpress creates different sizes of the images when you upload. I want this to be executable without uploading anything just running when you run the page. example: $imagePath…
ThomasReggi
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Cutting an image from a specific place

I have the following row items inside my horizontal recyclerview - As you can see, the items I get from the server are wide. What I want is to cut the image width by some value, but I want the cut to take place from where the line starts until the…
Alon Shlider
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5 answers

How to create thumbnails within PostgreSQL

I want to store images and other documents in a PostgreSQL table, along with a thumbnail of each image. The original document and the thumbnail would be two separate bytea fields. PostgreSQL is running on Linux. Because the image data could come…
Rob McDonell
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Image FILL logic such as "Stretch.Uniform" of WPF

I'm looking out for an Image FILL logic to apply in my console application, which generates TIFF file. I have image container dimension as 1200 * 1800 pixel. Have applied below logic to get resize the image to fit in this dimension, but this logic…
Arayn
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Image in CSS grid won't resize to the max. size

I am trying to create an HTML modal and I wanted to create the base HTML and the CSS in an external file first. The final output should look this: Design Mock The goal here is for the minimap to scale with the size of the modal while keeping the…
Ironlors
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Split step Fourier propagation - Beam propagation method

Hello I'm having a difficulty using the split step Fourier method. Assuming I want to propagate a Gaussian in free space, I'm supposed to use: A(x,z) = F^-1 [exp((i*k^2*z)/(2*k_0))* F[A(x,0)]] where F is the Fourier and F^-1 is the inverse…
FlyGuy
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Is it possible to make an image centerInside with a blurred background with glide library?

I am familiar with fitcenter and centercrop in glide. But is it possible to make something like this image Any ideas to achieve it?
jomin v george
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Is it possible to scale an image proportionally both on width and height based on a fixed container?

Suppose we have an image that is 400x200 and another that is 200x400 and I want them to fit in a 200x200 box so the first should be scaled to 200x100 and the second to 100x200 We won't know the dimensions of the images in advance. [edit] Plenty of…
Samus_
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Android - determine specific locations (X,Y coordinates) on a Bitmap on different resolutions?

My app that I am trying to create is a board game. It will have one bitmap as the board and pieces that will move to different locations on the board. The general design of the board is square, has a certain number of columns and rows and has a…
Alex
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Matlab - Scale down an image using an average of four pixels

I have just started learning image-processing and Matlab and I'm trying to scale down an image using an average of 4 pixels. That means that for every 4 original pixels I calculate the average and produce 1 output pixel. So far I have the following…
formap
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Swift true image height

I have got a UIImageView in a UIScrollView. For this I am trying to set the minimum zoom scale so that the whole picture fits in. However sometimes it is being displayed too small. I have reduced the problem to self.scrollView.minimumZoomScale =…
Hans
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Naming conventions for different sizes of an image

We're using a thumbor image server to automatically generate different resolutions of images uploaded by our users. The images are used at different locations: medium-sized profile pictures, small images at listings, larger images at detail pages,…
cweiske
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C++ How to best scale image by dropping pixels

I am capturing a frame of data from an imager with a resolution of 102 x 77. I want to downsample this to 80 x 60. Quality is not the main concern but ease of implementation and speed are. I believe I can accomplish this by roughly dropping every…
PhilBot
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