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/* RCSid $Id$ */ |
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/* |
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* Header file for false color tone-mapping. |
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* Include after "color.h" and "tonemap.h" |
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*/ |
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#ifndef _RAD_FALSECOLOR_H_ |
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#define _RAD_FALSECOLOR_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* false color mapping data structure */ |
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typedef struct { |
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TMbright mbrmin, mbrmax; /* mapped min. & max. brightnesses */ |
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BYTE *lumap; /* false color luminance map */ |
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BYTE (*scale)[3]; /* false color ordinal scale */ |
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} FCstruct; |
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extern BYTE fcDefaultScale[256][3]; /* default false color scale */ |
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extern FCstruct * |
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fcInit(BYTE fcscale[256][3]); |
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/* |
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Allocate and initialize false color mapping data structure. |
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fcscale - false color ordinal scale. |
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returns - new false color mapping pointer, or NULL if no memory. |
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*/ |
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extern int |
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fcFixedLinear(FCstruct *fcs, double Lwmax); |
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/* |
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Assign fixed linear false color map. |
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fcs - false color structure pointer. |
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Lwmax - maximum luminance for scaling |
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returns - 0 on success, TM_E_* on failure. |
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*/ |
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extern int |
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fcFixedLog(FCstruct *fcs, double Lwmin, double Lwmax); |
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/* |
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Assign fixed logarithmic false color map. |
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fcs - false color structure pointer. |
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Lwmin - minimum luminance for scaling |
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Lwmax - maximum luminance for scaling |
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returns - 0 on success, TM_E_* on failure. |
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*/ |
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extern int |
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fcLinearMapping(FCstruct *fcs, TMstruct *tms, int pctile); |
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/* |
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Compute linear false color map. |
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fcs - false color structure pointer. |
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tms - tone mapping structure pointer, with histogram. |
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pctile - percentile to ignore on top |
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returns - 0 on success, TM_E_* on failure. |
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*/ |
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extern int |
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fcLogMapping(FCstruct *fcs, TMstruct *tms, int pctile); |
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/* |
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Compute logarithmic false color map. |
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fcs - false color structure pointer. |
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tms - tone mapping structure pointer, with histogram. |
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pctile - percentile to ignore on top and bottom |
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returns - 0 on success, TM_E_* on failure. |
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*/ |
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extern int |
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fcMapPixels(FCstruct *fcs, BYTE *ps, TMbright *ls, int len); |
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/* |
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Apply false color mapping to pixel values. |
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fcs - false color structure pointer. |
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ps - returned RGB pixel values. |
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ls - encoded luminance values. |
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len - number of pixels. |
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returns - 0 on success, TM_E_* on failure. |
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*/ |
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extern void |
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fcDone(FCstruct *fcs); |
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/* |
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Free data associated with the given false color mapping structure. |
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fcs - false color mapping structure to free. |
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*/ |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_FALSECOLOR_H_ */ |