// #import "base.kl"
#load "Windows.kl"

Vec2I :: struct;; x: S32; y: S32
Vec2  :: struct;; x: F32; y: F32

Windows_Bitmap :: struct
  size: Vec2I
  data: *U32
  hdc: HDC
  dib: HBITMAP

create_bitmap :: (size: Vec2I, bottom_up: Bool = true): Windows_Bitmap
  result: Windows_Bitmap = {size = size}
  if bottom_up == false
    result.size.y = -result.size.y

  bminfo := BITMAPINFO{
    BITMAPINFOHEADER{
      biSize          = size_of(BITMAPINFOHEADER),
      biWidth         = size.x->LONG,
      biHeight        = size.y->LONG,
      biPlanes        = 1,
      biBitCount      = 32,
      biCompression   = BI_RGB,
      biXPelsPerMeter = 1,
      biYPelsPerMeter = 1,
    }
  }

  hdc := GetDC(0)
  result.dib = CreateDIBSection(hdc, &bminfo, DIB_RGB_COLORS, &result.data->**void, 0, 0)
  result.hdc = CreateCompatibleDC(hdc)
  return result


main :: (argc: int, argv: **char): int
  bitmap := create_bitmap({1280, 720})
  // memory := os.reserve(size = 10000)
  // os.commit(&memory, 1000)
  // os.release(&memory)
  // os.print("Hello world")