


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
- Image path : Make sure that the input image file input.jpg exists in the current working directory, or provides the complete file path.
- Error handling : In actual applications, it is recommended to add more error handling code to ensure the robustness of the program.
- 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.
The above is the detailed content of How to use the image rotation function of Debian cxImage. For more information, please follow other related articles on the PHP Chinese website!

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