StbirDatatype {.size: 4.} = enum
  STBIR_TYPE_UINT8 = 0, STBIR_TYPE_UINT8_SRGB = 1,
  STBIR_TYPE_UINT8_SRGB_ALPHA = 2, STBIR_TYPE_UINT16 = 3, STBIR_TYPE_FLOAT = 4,
  STBIR_TYPE_HALF_FLOAT = 5

StbirEdge {.size: 4.} = enum
  STBIR_EDGE_CLAMP = 0, STBIR_EDGE_REFLECT = 1, STBIR_EDGE_WRAP = 2,
  STBIR_EDGE_ZERO = 3

StbirFilter {.size: 4.} = enum
  STBIR_FILTER_DEFAULT = 0, STBIR_FILTER_BOX = 1, STBIR_FILTER_TRIANGLE = 2,
  STBIR_FILTER_CUBICBSPLINE = 3, STBIR_FILTER_CATMULLROM = 4,
  STBIR_FILTER_MITCHELL = 5, STBIR_FILTER_POINT_SAMPLE = 6,
  STBIR_FILTER_OTHER = 7

StbirPixelLayout {.size: 4.} = enum
  StbirBgr = 0, Stbir1channel = 1, Stbir2channel = 2, StbirRgb = 3,
  StbirRgba = 4, Stbir4channel = 5, StbirBgra = 6, StbirArgb = 7, StbirAbgr = 8,
  StbirRa = 9, StbirAr = 10, StbirRgbaPm = 11, StbirBgraPm = 12,
  StbirArgbPm = 13, StbirAbgrPm = 14, StbirRaPm = 15, StbirArPm = 16

proc stbir_resize(input_pixels: pointer;
                  input_w, input_h, input_stride_in_bytes: int32;
                  output_pixels: pointer;
                  output_w, output_h, output_stride_in_bytes: int32;
                  pixel_layout: StbirPixelLayout; data_type: StbirDatatype;
                  edge: StbirEdge; filter: StbirFilter) {.importc, cdecl,
    ...raises: [], tags: [].}