anchor.diff:  ;;    COMPRESSED_ASTC_4x4_RGBA,       // 8 bpp
   ;;    COMPRESSED_ASTC_8x8_RGBA        // 2 bpp
   ;;} PixelFormat;
  -;;
  +(define-constant +uncompressed-grayscale+ 1)
  +(define-constant +uncompressed-gray-alpha+ 2)
  +(define-constant +uncompressed-r5g6b5+ 3)
  +(define-constant +uncompressed-r8g8b8+ 4)
  +(define-constant +uncompressed-r5g5b5a1+ 5)
  +(define-constant +uncompressed-r4g4b4a4+ 6)
  +(define-constant +uncompressed-r8g8b8a8+ 7)
  +(define-constant +uncompressed-r32+ 8)
  +(define-constant +uncompressed-r32g32b32+ 9)
  +(define-constant +uncompressed-r32g32b32a32+ 10)
  +(define-constant +compressed-dxt1-rgb+ 11)
  +(define-constant +compressed-dxt1-rgba+ 12)
  +(define-constant +compressed-dxt3-rgba+ 13)
  +(define-constant +compressed-dxt5-rgba+ 14)
  +(define-constant +compressed-etc1-rgb+ 15)
  +(define-constant +compressed-etc2-rgb+ 16)
  +(define-constant +compressed-etc2-eac-rgba+ 17)
  +(define-constant +compressed-pvrt-rgb+ 18)
  +(define-constant +compressed-pvrt-rgba+ 19)
  +(define-constant +compressed-astc-4x4-rgba+ 20)
  +(define-constant +compressed-astc-8x8-rgba+ 21)
  +
   ;;// Texture parameters: filter mode
   ;;// NOTE 1: Filtering considers mipmaps if available in the texture
   ;;// NOTE 2: Filter is accordingly set for minification and magnification
  
positive.code: ;;    FILTER_ANISOTROPIC_8X,          // Anisotropic filtering 8x
  ;;    FILTER_ANISOTROPIC_16X,         // Anisotropic filtering 16x
  ;;} TextureFilterMode;
  ;;
  ;;// Cubemap layout type
  ;;typedef enum {
  ;;    CUBEMAP_AUTO_DETECT = 0,        // Automatically detect layout type
  
negative.code: ;;    GESTURE_PINCH_IN    = 256,
  ;;    GESTURE_PINCH_OUT   = 512
  ;;} GestureType;
  (define-constant +gesture-none+ 0)
  (define-constant +gesture-tap+ 1)
  (define-constant +gesture-doubletap+ 2)
  (define-constant +gesture-hold+ 4)
  (define-constant +gesture-drag+ 8)
  (define-constant +gesture-swipe-right+ 16)
  (define-constant +gesture-swipe-left+ 32)
  (define-constant +gesture-swipe-up+ 64)
  (define-constant +gesture-swipe-down+ 128)
  (define-constant +gesture-pinch-in+ 256)
  (define-constant +gesture-pinch-out+ 512)
  
  ;;// Camera system modes
  ;;typedef enum {
  ;;    CAMERA_CUSTOM = 0,
  