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/****************************************************************************
* pattern.h
*
* This module contains all defines, typedefs, and prototypes for PATTERN.CPP.
*
* from Persistence of Vision(tm) Ray Tracer version 3.6.
* Copyright 1991-2003 Persistence of Vision Team
* Copyright 2003-2004 Persistence of Vision Raytracer Pty. Ltd.
*---------------------------------------------------------------------------
* NOTICE: This source code file is provided so that users may experiment
* with enhancements to POV-Ray and to port the software to platforms other
* than those supported by the POV-Ray developers. There are strict rules
* regarding how you are permitted to use this file. These rules are contained
* in the distribution and derivative versions licenses which should have been
* provided with this file.
*
* These licences may be found online, linked from the end-user license
* agreement that is located at http://www.povray.org/povlegal.html
*---------------------------------------------------------------------------
* This program is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
*---------------------------------------------------------------------------
* $File: //depot/povray/3.6-release/source/pattern.h $
* $Revision: #2 $
* $Change: 2939 $
* $DateTime: 2004/07/04 13:43:26 $
* $Author: root $
* $Log$
*****************************************************************************/
/* NOTE: FRAME.H contains other pattern stuff. */
#ifndef PATTERN_H
#define PATTERN_H
BEGIN_POV_NAMESPACE
/*****************************************************************************
* Global preprocessor defines
******************************************************************************/
#define LAST_SPECIAL_PATTERN BITMAP_PATTERN
#define LAST_NORM_ONLY_PATTERN DENTS_PATTERN
#define LAST_INTEGER_PATTERN HEXAGON_PATTERN
enum PATTERN_IDS
{
NO_PATTERN = 0,
PLAIN_PATTERN,
AVERAGE_PATTERN,
UV_MAP_PATTERN,
BITMAP_PATTERN,
/* These former normal patterns require special handling. They too
must be kep seperate for now.*/
WAVES_PATTERN,
RIPPLES_PATTERN,
WRINKLES_PATTERN,
BUMPS_PATTERN,
/* BUMPY1_PATTERN,
BUMPY2_PATTERN,
BUMPY3_PATTERN,*/
QUILTED_PATTERN,
FACETS_PATTERN,
DENTS_PATTERN,
/* These patterns return integer values. They must be kept
together in the list. Any new integer functions added must be added
here and the list renumbered. */
CHECKER_PATTERN,
OBJECT_PATTERN,
BRICK_PATTERN,
HEXAGON_PATTERN,
/* These patterns return float values. They must be kept together
and seperate from those above. */
BOZO_PATTERN,
CELLS_PATTERN,
MARBLE_PATTERN,
WOOD_PATTERN,
SPOTTED_PATTERN,
AGATE_PATTERN,
GRANITE_PATTERN,
GRADIENT_PATTERN,
/* PATTERN1_PATTERN,
PATTERN2_PATTERN,
PATTERN3_PATTERN,*/
ONION_PATTERN,
LEOPARD_PATTERN,
JULIA_PATTERN,
JULIA3_PATTERN,
JULIA4_PATTERN,
JULIAX_PATTERN,
MANDEL_PATTERN,
MANDEL3_PATTERN,
MANDEL4_PATTERN,
MANDELX_PATTERN,
MAGNET1M_PATTERN,
MAGNET1J_PATTERN,
MAGNET2M_PATTERN,
MAGNET2J_PATTERN,
RADIAL_PATTERN,
CRACKLE_PATTERN,
SPIRAL1_PATTERN,
SPIRAL2_PATTERN,
PLANAR_PATTERN,
SPHERICAL_PATTERN,
BOXED_PATTERN,
CYLINDRICAL_PATTERN,
DENSITY_FILE_PATTERN,
FUNCTION_PATTERN,
SLOPE_PATTERN,
PIGMENT_PATTERN,
IMAGE_PATTERN
};
/* Pattern flags */
#define NO_FLAGS 0
#define HAS_FILTER 1
#define FULL_BLOCKING 2
#define POST_DONE 4
#define DONT_SCALE_BUMPS_FLAG 8 /* scale bumps for normals */
#define NOISE_FLAG_1 16 /* this flag and the next one work together */
#define NOISE_FLAG_2 32 /* neither=default, 1=orig,2=range,3=perlin */
#define NOISE_FLAGS NOISE_FLAG_1+NOISE_FLAG_2
#define Destroy_Turb(t) if ((t)!=NULL) POV_FREE(t);
#define RAMP_WAVE 0
#define SINE_WAVE 1
#define TRIANGLE_WAVE 2
#define SCALLOP_WAVE 3
#define CUBIC_WAVE 4
#define POLY_WAVE 5
/* Interpolation types. */
#define NO_INTERPOLATION 0
#define TRILINEAR_INTERPOLATION 1
#define TRICUBIC_INTERPOLATION 2
/*****************************************************************************
* Global typedefs
******************************************************************************/
/*****************************************************************************
* Global variables
******************************************************************************/
/*****************************************************************************
* Global constants
******************************************************************************/
/*****************************************************************************
* Global functions
******************************************************************************/
DBL Evaluate_TPat (TPATTERN *TPat, VECTOR EPoint, INTERSECTION *Isection);
void Init_TPat_Fields (TPATTERN *Tpat);
void Copy_TPat_Fields (TPATTERN *New, TPATTERN *Old);
void Destroy_TPat_Fields (TPATTERN *Tpat);
void Translate_Tpattern (TPATTERN *Tpattern, VECTOR Vector);
void Rotate_Tpattern (TPATTERN *Tpattern, VECTOR Vector);
void Scale_Tpattern (TPATTERN *Tpattern, VECTOR Vector);
void Transform_Tpattern (TPATTERN *Tpattern, TRANSFORM *Trans);
DBL quilt_cubic (DBL t,DBL p1,DBL p2);
void Search_Blend_Map (DBL value,BLEND_MAP *Blend_Map,
BLEND_MAP_ENTRY **Prev, BLEND_MAP_ENTRY **Cur);
DENSITY_FILE *Create_Density_File (void);
DENSITY_FILE *Copy_Density_File (DENSITY_FILE *);
void Destroy_Density_File (DENSITY_FILE *);
void Read_Density_File (DENSITY_FILE *df);
int PickInCube (VECTOR tv, VECTOR p1);
END_POV_NAMESPACE
#endif
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