I tried to develop a converter in C, the output is flipped upside down

Hi,
I get the result of the array, when I upload it to the arduino or paste it in your website, the image is flipped upside down.
Can you help me to fix the code ?
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>

struct BitMap{
    short     Type;
    long      Size;
    short     Reserve1;
    short     Reserve2;
    long      OffBits;
    long      biSize;
    long      biWidth;
    long      biHeight;
    short     biPlanes;
    short     biBitCount;
    long      biCompression;
    long      biSizeImage;
    long      biXPelsPerMeter;
    long      biYPelsPerMeter;
    long      biClrUsed;
    long      biClrImportant;
} Header;

short arr[1024];

int main(void){
    short x= 0 ,y = 0 , p = 0;
    short pixelValue = 0 ;
    int   myPalette[2];

    FILE *BMPFile = fopen ("bmp.bmp", "r");
    if (BMPFile == NULL) return -1;

    fread(&Header.Type,               sizeof(Header.Type), 1, BMPFile);
    fread(&Header.Size,               sizeof(Header.Size), 1, BMPFile);
//    fread(&Header.Reserve1,           sizeof(Header.Reserve1) , 1, BMPFile);
    fread(&Header.Reserve2,           sizeof(Header.Reserve2) , 1, BMPFile);
    fread(&Header.OffBits,            sizeof(Header.OffBits), 1, BMPFile);
    fread(&Header.biSize,             sizeof(Header.biSize), 1, BMPFile);
    fread(&Header.biWidth,            sizeof(Header.biWidth), 1, BMPFile);
    fread(&Header.biHeight,           sizeof(Header.biHeight) , 1, BMPFile);

    fread(&Header.biPlanes,           sizeof(Header.biClrUsed),  1, BMPFile);
    fread(&Header.biBitCount,         sizeof(Header.biBitCount), 1, BMPFile);
    fread(&Header.biCompression,      sizeof(Header.biCompression), 1, BMPFile);
    fread(&Header.biSizeImage,        sizeof(Header.biSizeImage), 1, BMPFile);
    fread(&Header.biXPelsPerMeter,    sizeof(Header.biXPelsPerMeter), 1, BMPFile);
    fread(&Header.biYPelsPerMeter,    sizeof(Header.biYPelsPerMeter), 1, BMPFile);

    fread(&Header.biClrUsed,          sizeof(Header.biClrUsed), 1, BMPFile);
    fread(&Header.biClrImportant,     sizeof(Header.biClrImportant),  1, BMPFile);
    fread(&myPalette[0],              4,  2, BMPFile);

    printf("\nType:%hd  and Type in  %x\n", Header.Type,Header.Type);
    printf("Size:%ld\n", Header.Size);
    printf("Width:%ld\n", Header.biWidth);
    printf("Height:%ld\n", Header.biHeight);
    printf("biPlanes:%hd\n", Header.biPlanes);
    printf("biBitCount:%hd\n", Header.biBitCount);
    printf("biCompression:%ld\n", Header.biCompression);
    printf("biSizeImage:%ld\n", Header.biSizeImage);
    printf("biXPelsPerMeter:%ld\n", Header.biXPelsPerMeter);
    printf("biYPelsPerMeter:%ld\n", Header.biYPelsPerMeter);
    printf("biClrUsed:%ld\n", Header.biClrUsed);
    printf("biClrImportant:%ld\n\n", Header.biClrImportant);

    Header.biWidth = 16;
    Header.biHeight = 64;

////////////////////////////////////////////////////////////////////
// #1
    for(y = 0; y < Header.biHeight; y++){
        for(x = 0; x < Header.biWidth; x++){

            fread(&pixelValue, sizeof(unsigned char), 1, BMPFile);
            arr[(y*16)+x] = pixelValue;
            printf("0x%.2x, ",pixelValue);
            //printf("%d ",(y*16)+x);

            if(x%16 == 15){printf("\n");}
        }
    }
    fclose(BMPFile);

////////////////////////////////////////////////////////////////////
// #2
//    for(x=0; x<1024; x++){
//        printf("0x%.2x, ",arr[x]);
//        if(x%16 == 15){printf("\n");}
//    }

    return 0;
}
javl / image2cpp

I tried to develop a converter in C, the output is flipped upside down #42
