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Image Editor Project

This Java-based image editor allows users to perform various image manipulation operations such as:

  • Viewing pixel values
  • Converting an image to grayscale
  • Adjusting image brightness
  • Transposing (rotating) the image to the left or right
  • Inverting the image horizontally or vertically
  • Applying a blur effect

The image editor will take an input image file (e.g., sample.jpg) and produce the result in an output image file (output.jpg).

Features

  1. View Pixel Values: Prints out the pixel values of the input image.
  2. Convert to Grayscale: Converts the input image to grayscale.
  3. Increase Brightness: Adjusts the brightness of the input image by a specified percentage.
  4. Right Transpose: Rotates the image to the right (90 degrees clockwise).
  5. Left Transpose: Rotates the image to the left (90 degrees counter-clockwise).
  6. Invert Horizontally: Flips the image along the horizontal axis.
  7. Invert Vertically: Flips the image along the vertical axis.
  8. Blur Image: Applies a blur effect to the input image based on pixel grouping.

Prerequisites

  • Java Development Kit (JDK) installed.
  • javax.imageio.ImageIO library (part of the standard JDK) is required for image reading/writing.
  • An image file named sample.jpg or any other image file you'd like to manipulate.

How to Run the Program

  1. Clone the Project

    • Clone the repository or download the source code.

  2. Compile the Code

    • Open a terminal in the project directory.
    • Compile the program using the following command: 
      javac imageeditor.java

  3. Run the Program

    • After compiling, run the program with the command: 
      java imageeditor

  4. Provide Input

    • Enter the filename of the image you'd like to manipulate (e.g., sample.jpg).
    • You will be prompted to select one of the following options: 
      Enter 1 for Pixel value
Enter 2 for Convert IMAGE GRAY
Enter 3 for Increase IMAGE BRIGHTNESS
Enter 4 for Right Transpose Image
Enter 5 for Left Transpose Image
Enter 6 for Invert Horizontal Image
Enter 7 for Invert Vertical Image
Enter 8 for Blur Image

  5. Save the Output

    • Depending on the option selected, the manipulated image will be saved as output.jpg in the project directory.

Example Usage

  • To convert the image to grayscale:
3

sample output

Output

The manipulated image will be shown in output.jpg in the same directory.