libjpeg_开发者

Ruby wrapper for libjpeg to resize image

is there a ruby wrapper for the libjpeg library (http://www.ijg.org/)? What I\'m开发者_如何学运维 trying to do is create an extension to the Rhomobile Framework so that I can resize images on my mobil[详细]

2023-04-13 06:41 分类：问答

Fast way to decode JPEG image

I need to decode (unpack into bitmap) pretty small (about 1200 * 1200) JPEG. The problem is I need to do it quickly. I have开发者_如何学运维 tried libjpeg, and it\'s quite slow. I have also tried Bitm[详细]

2023-04-12 08:31 分类：问答

How to solve IOError:broken data stream when reading image file?

Im working under Ubuntu 11.04. I\'mtrying to work with PIL in my Django project. Sadly PIL cannot load my image.[详细]

2023-04-10 21:48 分类：问答

libjpeg output scaling

Does libjpeg allows/have routines to scale the output image? I have an image which needs to be resized when开发者_运维技巧 saving to and loading from, Providing width1, height1 on input and getting[详细]

2023-04-06 17:50 分类：问答

Linking the static version of a library instead of the dynamic one

I am trying to use libjpeg in my application. Making the project yields a libjpeg.a in .libs folder. What I would like to do is to use this file in the linkage stage. I have tried the following: I cop[详细]

2023-04-06 11:29 分类：问答

Fast loading and display of images in python (Utilizing Libjpeg Turbo in Python?)

I am currently creating an image viewer in python using Tkinter and PIL, but I want the image loading to be quicker. Therefore I would like to know how I could install and utilize Libjpeg Turbo with T[详细]

2023-04-03 10:53 分类：问答

Compiling PHP with GD and libjpeg support

I compile my own PHP, partly to learn more about how PHP is put together, and partly because I\'m always finding I need modules that aren\'t available by default, and this way I have control over that[详细]

2023-03-30 10:31 分类：问答

Should CbCr values for LibJPEG be signed or unsigned

I have a a SoC camera module which outputs YCbCr data in the following ranges: Y (0 -> 255) Cb and Cr (-127 -> 127)[详细]

2023-03-27 04:04 分类：问答

Python Imaging Library errors with libjpeg

I have a centos 5 and am trying to get Python Imaging library up and going.I installed libjpeg, libjpeg-devel, etc and am still not able to upload jpeg images to my django site.[详细]

2023-03-24 13:08 分类：问答

Is using zlib (or similar) compression worth/recommended when transmitting JPEG-compressed screen tiles over network (remote screencasting app)?

I\'m starting to implement some sort of remote screencasting (VNC-alike) client/server software in C++ (Windows platform), which just transmits the screen updates (image tiles) over the network.[详细]

2023-03-11 20:34 分类：问答