Legacy ImageMagick Discussions Archive

Hi I am new to MagickWand. I want to step through using gdb and need to create symbol tables. I don't see any option for doing that using "make". Please let me if anybody has used gdb for single stepping the source code?

I think display should work then with MIFF images but I want to create a JPEG image that occupies less space which I am able to do when I use a library built from the source code. But when I try to use the rpms available on their website as well as try creating a rpm using their source code and use ...

yes the above two works for me. I can see jpg and gif being created

magick -version Version: ImageMagick 7.0.8-63 Q16 x86_64 2019-08-29 https://imagemagick.org Copyright: © 1999-2019 ImageMagick Studio LLC License: https://imagemagick.org/script/license.php Features: Cipher DPC HDRI Modules OpenMP(3.1) Delegates (built-in): bzlib cairo djvu fftw fontconfig freetype ...

I have these two jpegs libs on my system. Are you talking about these or some other dependencies IM specific I need to install?
libjpeg.so.8 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libjpeg.so.8
libjpeg.so (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libjpeg.so

Hi I have an application that reads a stream of bytes from a VGA port and sends it to MAgickWand function MagickConstituteImage() to create an image from raw uint8_t data. Then I am calling MagickSetImageCompressionQuality() to reduce the quality of image followed by MagickWriteImage() used to ...

My issue got resolved. A small summary of the issue just in case if anybody else needs it. The buffer I was sending in to MagickConstituteImage(), had image format as BGRP and Since i am using 32 BPP, it has 4 bytes for pixels (1 byte for R, B and G each and 1 additional reserved). Code flow is as ...

Thanks for your reply. I have installed libmagickwand-dev - version (8:6.8.9.9-7ubuntu5.14). I am new to this image processing so not really sure of the linear and non-linear RGB formats. However, I am capturing data from a Virtual Machine's screen via VGA port. So its is VGA frame buffer captured ...

Hi I am having raw data in an image buffer of uint8_t type. I am trying to convert this data to image format (JPG preferably). I am using MagickConstituteImage() to do this. Code Snippet for reference: wand = NewMagickWand(); MagickConstituteImage(wand,2560,1600,"RGB",CharPixel,buffer ...