#include <stdio.h>
#include <stdlib.h>

typedef struct {
    unsigned char r, g, b;
} pixel;

int main() {
    FILE *fp;
    char buf[16];
    int w, h, max;
    pixel *image;

    fp = fopen("image.ppm", "r");
    if (fp == NULL) {
        fprintf(stderr, "Error: Could not open file\n");
        exit(1);
    }

    fgets(buf, sizeof(buf), fp);
    if (buf[0] != 'P' || buf[1] != '6') {
        fprintf(stderr, "Error: Invalid file format\n");
        exit(1);
    }

    fscanf(fp, "%d %d", &w, &h);
    fscanf(fp, "%d", &max);

    if (max != 255) {
        fprintf(stderr, "Error: Unsupported color depth\n");
        exit(1);
    }

    fgetc(fp); // skip the newline character

    image = (pixel*)malloc(w * h * sizeof(pixel));
    if (image == NULL) {
        fprintf(stderr, "Error: Out of memory\n");
        exit(1);
    }

    fread(image, sizeof(pixel), w * h, fp);
    fclose(fp);

    // Render the image using OpenGL or other graphics library
    // ...

    free(image);

    return 0;
}