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Table of Contents
Install cxImage library
Writing code
Compile the code
Run the program
Detailed description
Things to note
Home Operation and Maintenance Linux Operation and Maintenance How to use the image rotation function of Debian cxImage

How to use the image rotation function of Debian cxImage

May 16, 2025 pm 08:57 PM
ai c++

In the Debian system, you can follow the following steps:

Install cxImage library

First, make sure you have installed the cxImage library. If it has not been installed, you can install it through the following command:

 <code>sudo apt-get update sudo apt-get install libcximage-dev</code>

Writing code

Next, write a simple C program to show how to use the cxImage library for image rotation. Here is a sample code:

 <code>#include <iostream> #include <cximage.h> int main() { // 加載圖像CXImage image; if (!image.Load("input.jpg")) { std::cerr </cximage.h></iostream></code>

Compile the code

Use g to compile the above code and link to the cxImage library:

 <code>g -o rotate_image rotate_image.cpp -lcximage</code>

Run the program

After the compilation is successful, run the generated executable file:

 <code>./rotate_image</code>

Detailed description

  • CXImage image; : Create a CXImage object.
  • image.Load("input.jpg"); : Load the image file named input.jpg.
  • image.Rotate(90); : Rotate the image 90 degrees. You can change the rotation angle as needed, such as 180 degrees, 270 degrees, etc.
  • image.Save("output.jpg"); : Save the rotated image as output.jpg.

Things to note

  1. Image path : Make sure that the input image file input.jpg exists in the current working directory, or provides the complete file path.
  2. Error handling : In actual applications, it is recommended to add more error handling code to ensure the robustness of the program.
  3. Dependency Library : Make sure that all dependency libraries are installed correctly and are correctly linked at compile time.

Through the above steps, you should be able to use the cxImage library to implement image rotation function in Debian system.

How to use the image rotation function of Debian cxImage

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