user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<Vertical_Image_Density>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    %rcx,-0x38(%rbp)
  mov    %r8d,%eax
  mov    %al,-0x3c(%rbp)
  movl   $0x0,-0x20(%rbp)
  movl   $0x0,-0x1c(%rbp)
  movzbl -0x3c(%rbp),%eax
  sub    $0x1,%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %eax,-0xc(%rbp)
  movzbl -0x3c(%rbp),%eax
  shr    %al
  movzbl %al,%eax
  mov    -0x2c(%rbp),%edx
  imul   %edx,%eax
  mov    %eax,-0x8(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L60
L18:
  movl   $0x0,-0x14(%rbp)
  jmp    L12
L3:
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x1c(%rbp),%eax
  and    $0x1,%eax
  sub    %eax,-0x20(%rbp)
  sarl   -0x1c(%rbp)
  mov    -0x4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%ecx
  mov    -0x4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  or     %eax,%ecx
  mov    -0x4(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  or     %ecx,%eax
  test   %al,%al
  je     L65
  addl   $0x1,-0x20(%rbp)
  mov    -0xc(%rbp),%eax
  or     %eax,-0x1c(%rbp)
L65:
  mov    -0x14(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jl     L24
  mov    -0x4(%rbp),%eax
  sub    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    -0x20(%rbp),%edx
  mov    %dl,(%rax)
L24:
  mov    -0x30(%rbp),%eax
  sub    $0x1,%eax
  imul   -0x2c(%rbp),%eax
  cmp    %eax,-0x14(%rbp)
  jne    L52
  mov    -0x2c(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  jmp    L75
L44:
  mov    -0x1c(%rbp),%eax
  and    $0x1,%eax
  sub    %eax,-0x20(%rbp)
  sarl   -0x1c(%rbp)
  mov    -0x4(%rbp),%eax
  sub    -0x8(%rbp),%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    -0x20(%rbp),%edx
  mov    %dl,(%rax)
  mov    -0x2c(%rbp),%eax
  add    %eax,-0x10(%rbp)
L75:
  mov    -0x10(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jle    L44
  movl   $0x0,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x20(%rbp)
L52:
  mov    -0x2c(%rbp),%eax
  add    %eax,-0x14(%rbp)
L12:
  mov    -0x2c(%rbp),%eax
  imul   -0x30(%rbp),%eax
  cmp    %eax,-0x14(%rbp)
  jl     L3
  addl   $0x1,-0x18(%rbp)
L60:
  mov    -0x18(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L18
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void Vertical_Image_Density(unsigned char *Frame, int Width, int Height, unsigned char *DensityMap, unsigned char WheelSize) {
  int Sum = 0, Wheel = 0, WheelOff, X, Y, I, J, Edge;
  Edge = 1 << (int)(WheelSize - 1);
  WheelOff = (WheelSize >> 1) * Width;
  for (X = 0; X < Width; X++) {
    for (Y = 0; Y < (Width * Height); Y += Width) {
      I = X + Y;
      Sum -= Wheel & 1;
      Wheel >>= 1;
      if ((Frame[3 * I] | Frame[3 * I + 1] | Frame[3 * I + 2]) != 0) {
        Sum += 1;
        Wheel |= Edge;
      }
      if (Y >= WheelOff)
        DensityMap[I - WheelOff] = Sum;
      if (Y == (Height - 1) * Width) {
        for (J = Width; J <= WheelOff; J += Width) {
          Sum -= Wheel & 1;
          Wheel >>= 1;
          DensityMap[I - WheelOff + J] = Sum;
        }
        Sum = Wheel = 0;
      }
    }
  }
}
```