I have been using the CImg library, and have been pleased with how easy it is to integrate and use. However, I now want to draw thick lines (i.e., more than one pixel thick). It is not clear from t...

Any time I try to load an image I get an error saying CImg<unsigned char>::load(): Failed to recognize format of file. This happens for both jpg and png files. I have found other posts about...

I have a C++ project in CLion (Ubuntu) that uses the CImg library. Currently, I cannot get the project to build properly. I have included the CImg.h file in my main.cpp file. I get an output like s...

I am trying to capture an image of the screen for use in screencasting. Thus I need a fast solution, and cannot rely on shell programs such as import or xwd. This is the code I have written so fa...

CImg<unsigned char> src("image.jpg"); int width = src.width(); int height = src.height(); unsigned char* ptr = src.data(10,10); How can I get rgb from ptr?

I am using pHash and that library uses libpng. I am having issues running my program because libpng fails loading a PNG file. Version of libpng: 1.4.19 Platform: Windows 10 Environment: Visual St...

I try to use the cimg library. I have included the CImg.h-header file. But when I try to compile it, I get a linking error. /tmp/cc2tvYsW.o: In function `cimg_library::cimg::Mutex_info::tryl...

I have about 150.000 pictures and some of these are duplicates. I have figured that the SSIM algorithm is a good choice to compare two pictures and see if they are duplicates. However if I want to ...

Here is the entirety of my code: #include "CImg.h" #include <iostream> using namespace cimg_library; int main() { CImg<float> image(100,100,1,3,0); const float color[] = {1.0,1.0,0.0...

I am unable to load PNGs with CImg. I've heard you need to get libpng / zlib to get to work first but I am unsure how to set this up. I am on Ubuntu. My source: #include <cmath> #include &lt...