gfx/povray/image.h

   1 /****************************************************************************
   2 *                   image.h
   3 *
   4 *  This module contains all defines, typedefs, and prototypes for IMAGE.C.
   5 *
   6 *  from Persistence of Vision(tm) Ray Tracer
   7 *  Copyright 1996,1999 Persistence of Vision Team
   8 *---------------------------------------------------------------------------
   9 *  NOTICE: This source code file is provided so that users may experiment
  10 *  with enhancements to POV-Ray and to port the software to platforms other
  11 *  than those supported by the POV-Ray Team.  There are strict rules under
  12 *  which you are permitted to use this file.  The rules are in the file
  13 *  named POVLEGAL.DOC which should be distributed with this file.
  14 *  If POVLEGAL.DOC is not available or for more info please contact the POV-Ray
  15 *  Team Coordinator by email to team-coord@povray.org or visit us on the web at
  16 *  http://www.povray.org. The latest version of POV-Ray may be found at this site.
  17 *
  18 * This program is based on the popular DKB raytracer version 2.12.
  19 * DKBTrace was originally written by David K. Buck.
  20 * DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
  21 *
  22 *****************************************************************************/
  23
  24
  25 #ifndef IMAGE_H
  26 #define IMAGE_H
  27
  28
  29
  30 /*****************************************************************************
  31 * Global preprocessor defines
  32 ******************************************************************************/
  33
  34 /* Image/Bump Map projection types. */
  35
  36 #define PLANAR_MAP      0
  37 #define SPHERICAL_MAP   1
  38 #define CYLINDRICAL_MAP 2
  39 #define PARABOLIC_MAP   3
  40 #define HYPERBOLIC_MAP  4
  41 #define TORUS_MAP       5
  42 #define PIRIFORM_MAP    6
  43 #define OLD_MAP         7
  44
  45 /* Bit map interpolation types. */
  46
  47 #define NO_INTERPOLATION 0
  48 #define NEAREST_NEIGHBOR 1
  49 #define BILINEAR         2
  50 #define CUBIC_SPLINE     3
  51 #define NORMALIZED_DIST  4
  52
  53
  54
  55 /*****************************************************************************
  56 * Global typedefs
  57 ******************************************************************************/
  58
  59
  60
  61
  62 /*****************************************************************************
  63 * Global variables
  64 ******************************************************************************/
  65
  66
  67
  68
  69 /*****************************************************************************
  70 * Global functions
  71 ******************************************************************************/
  72
  73 int image_map (VECTOR EPoint, PIGMENT *Pigment, COLOUR colour);
  74 TEXTURE *material_map (VECTOR IPoint, TEXTURE *Texture);
  75 void bump_map (VECTOR EPoint, TNORMAL *Tnormal, VECTOR normal);
  76 IMAGE *Copy_Image (IMAGE *Old);
  77 IMAGE *Create_Image (void);
  78 void Destroy_Image (IMAGE *Image);
  79
  80
  81
  82 #endif