Search found 9 matches

by images
2019-09-12T11:37:52-07:00
Forum: MagickWand
Topic: How to Create symbol tables to be used by gdb
Replies: 0
Views: 2310

How to Create symbol tables to be used by gdb

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?
by images
2019-09-12T11:08:02-07:00
Forum: MagickWand
Topic: Library producing 12MB MIFF images
Replies: 10
Views: 4934

Re: Library producing 12MB MIFF images

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 ...
by images
2019-09-11T10:56:22-07:00
Forum: MagickWand
Topic: Library producing 12MB MIFF images
Replies: 10
Views: 4934

Re: Library producing 12MB MIFF images

yes the above two works for me. I can see jpg and gif being created
by images
2019-09-11T09:52:49-07:00
Forum: MagickWand
Topic: Library producing 12MB MIFF images
Replies: 10
Views: 4934

Re: Library producing 12MB MIFF images

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 ...
by images
2019-09-11T09:00:45-07:00
Forum: MagickWand
Topic: Library producing 12MB MIFF images
Replies: 10
Views: 4934

Re: Library producing 12MB MIFF images

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
by images
2019-09-11T08:39:40-07:00
Forum: MagickWand
Topic: Library producing 12MB MIFF images
Replies: 10
Views: 4934

Library producing 12MB MIFF images

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 creat...
by images
2019-08-26T21:10:07-07:00
Forum: MagickWand
Topic: Convert Image raw data of Unit8_t type to JPEG
Replies: 3
Views: 1816

Re: Convert Image raw data of Unit8_t type to JPEG

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 f...
by images
2019-08-26T16:09:13-07:00
Forum: MagickWand
Topic: Convert Image raw data of Unit8_t type to JPEG
Replies: 3
Views: 1816

Re: Convert Image raw data of Unit8_t type to JPEG

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 a...
by images
2019-08-26T15:31:22-07:00
Forum: MagickWand
Topic: Convert Image raw data of Unit8_t type to JPEG
Replies: 3
Views: 1816

Convert Image raw data of Unit8_t type to JPEG

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); MagickSetIma...