Feature #15: Invert colors
Transform the image so that colors are inverted (e.g.,
new_R = 255 - old_R).
Feature description
Transform the image so that colors are inverted (e.g., new_R = 255 - old_R).
| Parameters | value |
|---|---|
| name | invert |
| Command | -c color_invert |
| Input | an image |
| output | A new image image_out.bmp with inverted colors compared to the input image |
Usage
./freud.exe -f images/input/image.jpeg -c color_invertOutput
A new image image_out.bmp with inverted colors compared to the input image
Describe tips for implementing feature
Use write_image_data from <estia-image.h> to create new image with the new values.
/**
* Writes into an image file
* @param[in] filename Name of the file to be written into
* @param[in] data Reference to the pixel array to be written
* @param[in] width Width of the image
* @param[in] height Height of the image
* @return 0 on failure and non-0 on success.
*/
int write_image_data(const char *filename, unsigned char *data, int width, int height);Additional information
Example:
| Input | Output |
|---|---|
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