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#include "fvect.h" |
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#include "ccolor.h" |
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#include "platform.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#ifdef _WIN32 |
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#define strcasecmp stricmp |
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#endif |
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#define SDnameLn 128 /* maximum BSDF name length */ |
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#define SDmaxCh 3 /* maximum # spectral channels */ |
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typedef enum {SDEnone=0, SDEmemory, SDEfile, SDEformat, SDEargument, |
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SDEdata, SDEsupport, SDEinternal, SDEunknown} SDError; |
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/* English ASCII strings corresponding to ennumerated errors */ |
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/* English strings corresponding to ennumerated errors */ |
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extern const char *SDerrorEnglish[]; |
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/* Additional information on last error (ASCII English) */ |
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/* Pointer to error list in preferred language */ |
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extern const char **SDerrorList; |
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/* Additional information on last error (generally in English) */ |
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extern char SDerrorDetail[]; |
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/* Holder for BSDF value and spectral color */ |
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typedef struct SDComp_s SDComponent; |
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/* Methods needed to handle BSDF components (nothing is optional) */ |
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typedef const struct { |
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typedef struct { |
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/* return non-diffuse BSDF */ |
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int (*getBSDFs)(float coef[SDmaxCh], const FVECT outVec, |
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const FVECT inVec, SDComponent *sdc); |
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/* Structure to hold a spectral BSDF component (typedef SDComponent above) */ |
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struct SDComp_s { |
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C_COLOR cspec[SDmaxCh]; /* component spectral bases */ |
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SDFunc *func; /* methods for this component */ |
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const SDFunc *func; /* methods for this component */ |
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void *dist; /* loaded distribution data */ |
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SDCDst *cdList; /* cumulative distribution cache */ |
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}; |
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char matn[SDnameLn]; /* material name */ |
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char makr[SDnameLn]; /* manufacturer */ |
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char *mgf; /* geometric description (if any) */ |
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float dim[3]; /* width, height, thickness (meters) */ |
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double dim[3]; /* width, height, thickness (meters) */ |
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SDValue rLambFront; /* diffuse front reflectance */ |
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SDValue rLambBack; /* diffuse rear reflectance */ |
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SDValue tLamb; /* diffuse transmission */ |
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#define SDisLoaded(sd) ((sd)->rLambFront.spec.flags != 0) |
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/* Report an error to the indicated stream (in English) */ |
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extern SDError SDreportEnglish(SDError ec, FILE *fp); |
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/* Report an error to the indicated stream */ |
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extern SDError SDreportError(SDError ec, FILE *fp); |
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/* Shorten file path to useable BSDF name, removing suffix */ |
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extern void SDclipName(char res[SDnameLn], const char *fname); |
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*/ |
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/* Get BSDF from cache (or load and cache it on first call) */ |
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/* Report any problems to stderr (in English), return NULL on failure */ |
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/* Report any problems to stderr, return NULL on failure */ |
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extern const SDData *SDcacheFile(const char *fname); |
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/* Free a BSDF from our cache (clear all if sd==NULL) */ |