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greg |
2.1 |
/* RCSid $Id$ */ |
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/* |
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* RpictSimulManager.h |
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* |
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* Rpict simulation manager class declaration |
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* |
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* Created by Greg Ward on 07/11/2024. |
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*/ |
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#ifndef RpictSimulManager_h |
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#define RpictSimulManager_h |
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#include "RtraceSimulManager.h" |
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#include "view.h" |
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#include "depthcodec.h" |
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#include "abitmap.h" |
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/// Data type flags for pixel access and output |
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enum RenderDataType { |
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RDTnone=0, |
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RDTscolor=0x1, RDTrgb=0x2, RDTxyz=0x3, RDTscolr=0x4, RDTrgbe=0x5, RDTxyze=0x6, |
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RDTcolorM=0x7, |
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RDTdfloat=0x8, RDTdshort=0x10, |
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RDTdepthM=0x18 |
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}; |
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#define RDTcolorT(f) RenderDataType((f) & RDTcolorM) |
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#define RDTdepthT(f) RenderDataType((f) & RDTdepthM) |
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#define RDTcommonE(f) (RDTcolorT(f) >= RDTscolr) |
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#define RDTnewCT(f,c) RenderDataType((f) & ~RDTcolorM | (c)) |
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#define RDTnewDT(f,d) RenderDataType((f) & ~RDTdepthM | (d)) |
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/// Pixel accessor (read/write to caller's buffer with possible conversion) |
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class PixelAccess { |
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union { |
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COLORV * f; |
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COLRV * b; |
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} pbase; // pixel base pointer |
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union { |
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float * f; |
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short * s; |
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} dbase; // depth base pointer |
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long rowStride; // # values to next y position |
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int dtyp; // data type flags |
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RGBPRIMP primp; // color primaries if tristimulus |
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COLORMAT xyz2myrgbmat; // custom color conversion matrix |
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COLORV * CF3(int x, int y) { |
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return pbase.f + (rowStride*y + x)*3; |
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} |
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COLORV * GetCF3(int x, int y) const { |
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return const_cast<COLORV *>(pbase.f + (rowStride*y + x)*3); |
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} |
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COLORV * SCF(int x, int y) { |
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return pbase.f + (rowStride*y + x)*NCSAMP; |
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} |
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COLORV * GetSCF(int x, int y) const { |
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return const_cast<COLORV *>(pbase.f + (rowStride*y + x)*NCSAMP); |
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} |
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COLRV * CB3(int x, int y) { |
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return pbase.b + (rowStride*y + x)*4; |
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} |
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COLRV * GetCB3(int x, int y) const { |
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return const_cast<COLRV *>(pbase.b + (rowStride*y + x)*4); |
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} |
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COLRV * SCB(int x, int y) { |
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return pbase.b + (rowStride*y + x)*(NCSAMP+1); |
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} |
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COLRV * GetSCB(int x, int y) const { |
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return const_cast<COLRV *>(pbase.b + (rowStride*y + x)*(NCSAMP+1)); |
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} |
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public: |
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double refDepth; // reference depth |
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PixelAccess() { |
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refDepth = 1.; |
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Init(); |
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} |
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PixelAccess(COLORV *rp, int ystride, float *zp=NULL) { |
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refDepth = 1.; |
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Init(rp, ystride, zp); |
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} |
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PixelAccess(COLRV *bp, int ystride, float *zp=NULL) { |
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refDepth = 1.; |
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Init(bp, ystride, zp); |
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} |
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PixelAccess(COLRV *bp, int ystride, short *dp) { |
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refDepth = 1.; |
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Init(bp, ystride, dp); |
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} |
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void Init() { |
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pbase.f = NULL; dbase.f = NULL; |
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rowStride = 0; |
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primp = NULL; |
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dtyp = 0; |
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} |
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/// Initializers default to rendering color space |
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void Init(COLORV *rp, int ystride, float *zp=NULL) { |
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pbase.f = rp; dbase.f = zp; |
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rowStride = ystride; |
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if (NCSAMP > 3) { |
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dtyp = RDTscolor; primp = NULL; |
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} else { |
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dtyp = RDTrgb; primp = stdprims; |
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} |
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if (zp) dtyp |= RDTdfloat; |
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} |
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void Init(COLRV *bp, int ystride, float *zp=NULL) { |
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pbase.b = bp; dbase.f = zp; |
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rowStride = ystride; |
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if (NCSAMP > 3) { |
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dtyp = RDTscolr; primp = NULL; |
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} else { |
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dtyp = RDTrgbe; primp = stdprims; |
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} |
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if (zp) dtyp |= RDTdfloat; |
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} |
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void Init(COLRV *bp, int ystride, short *dp) { |
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pbase.b = bp; dbase.s = dp; |
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rowStride = ystride; |
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if (NCSAMP > 3) { |
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dtyp = RDTscolr; primp = NULL; |
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} else { |
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dtyp = RDTrgbe; primp = stdprims; |
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} |
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if (dp) dtyp |= RDTdshort; |
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} |
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/// Set color space after non-empty initialization |
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bool SetColorSpace(RenderDataType cs, RGBPRIMP pr=NULL); |
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/// Get color space |
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RenderDataType ColorSpace() const { |
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return RDTcolorT(dtyp); |
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} |
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/// Get color primaries (NULL if spectral) |
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RGBPRIMP Primaries() const { |
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return primp; |
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} |
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/// Number of represented color/spectral components |
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int NC() const { |
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switch (ColorSpace()) { |
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case RDTrgb: case RDTrgbe: |
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case RDTxyz: case RDTxyze: |
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return 3; |
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case RDTscolor: case RDTscolr: |
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return NCSAMP; |
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default:; |
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} |
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return 0; |
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} |
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/// Get depth type |
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RenderDataType DepthType() const { |
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return RDTdepthT(dtyp); |
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} |
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/// Get row stride |
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long GetRowStride() const { |
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return rowStride; |
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} |
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/// Assign a pixel value (& depth) from rendered ray value |
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bool SetPixel(int x, int y, const RAY *rp); |
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/// Assign pixel color (& depth) -- may re-represent either/both |
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bool SetPixel(int x, int y, const COLORV *pv, float z=0) { |
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if (NC() == 3) { |
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if (RDTcommonE(dtyp)) |
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setcolr(CB3(x,y), pv[RED], pv[GRN], pv[BLU]); |
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else |
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copycolor(CF3(x,y), pv); |
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} else if (RDTcommonE(dtyp)) |
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scolor_scolr(SCB(x,y), pv); |
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else |
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copyscolor(SCF(x,y), pv); |
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if (RDTdepthT(dtyp) == RDTdfloat) |
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dbase.f[rowStride*y + x] = z; |
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else if (RDTdepthT(dtyp) == RDTdshort) |
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dbase.s[rowStride*y + x] = depth2code(z, refDepth); |
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return true; |
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} |
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/// Retrieve pixel color (& depth) -- may convert either/both |
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bool GetPixel(int x, int y, COLORV *pv, float *zp=NULL) const { |
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if (NC() == 3) { |
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if (RDTcommonE(dtyp)) |
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colr_color(pv, GetCB3(x,y)); |
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else |
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copycolor(pv, GetCF3(x,y)); |
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} else if (RDTcommonE(dtyp)) |
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scolr_scolor(pv, GetSCB(x,y)); |
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else |
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copyscolor(pv, GetSCF(x,y)); |
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if (!zp) return true; |
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if (RDTdepthT(dtyp) == RDTdfloat) |
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*zp = dbase.f[rowStride*y + x]; |
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else if (RDTdepthT(dtyp) == RDTdshort) |
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*zp = code2depth(dbase.s[rowStride*y + x], refDepth); |
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else |
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*zp = .0f; |
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return true; |
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} |
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/// Copy pixel from one location to another (no conversion) |
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bool CopyPixel(int dx, int dy, int sx, int sy) { |
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if ((dx==sx) & (dy==sy)) return true; |
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const int nc = NC(); |
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if (nc == 3) { |
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if (RDTcommonE(dtyp)) |
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copycolr(CB3(dx,dy), GetCB3(sx,sy)); |
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else |
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copycolor(CF3(dx,dy), GetCF3(sx,sy)); |
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} else if (RDTcommonE(dtyp)) |
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copyscolr(SCB(dx,dy), GetSCB(sx,sy)); |
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else |
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copyscolor(SCF(dx,dy), GetSCF(sx,sy)); |
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switch (RDTdepthT(dtyp)) { |
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case RDTdfloat: |
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dbase.f[rowStride*dy + dx] = |
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dbase.f[rowStride*sy + sx]; |
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break; |
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case RDTdshort: |
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dbase.s[rowStride*dy + dx] = |
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dbase.s[rowStride*sy + sx]; |
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break; |
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default:; |
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} |
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return true; |
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} |
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}; |
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/// Call-back function for progress reporting |
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typedef void ProgReportCB(double pct); |
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/// rpict-like simulation manager (at most one such object) |
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class RpictSimulManager : protected RtraceSimulManager { |
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static RayReportCall RtCall; // our callback for cooked rays |
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VIEW vw; // frame view |
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VIEW pvw; // previous view |
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int hvres[2]; // overall picture dimensions |
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int tgsize[2]; // tile grid size |
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int thvres[2]; // tile dimensions |
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VIEW tvw, ptvw; // this tile's view (& previous) |
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PixelAccess pacc; // pixel accessor |
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char dunit[32]; // depth with units (if any) |
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ABitMap2 doneMap; // which tile pixels are done |
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COLORV * barPix; // current render bar pixels |
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float * barDepth; // current render bar depths |
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bool SetTile(const int ti[2]); |
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bool RenderRect(); |
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bool ComputePixel(int x, int y); |
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bool BelowSampThresh(int x, int y, const int noff[4][2]) const; |
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void FillSquare(int x, int y, const int noff[4][2]); |
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void NewBar(int ht = 0); |
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bool LowerBar(int v); |
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bool RenderBelow(int ytop, const int vstep, FILE *pfp, |
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const int dt, FILE *dfp=NULL); |
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public: |
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ProgReportCB * prCB; // progress report call-back |
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RGBPRIMP prims; // output primaries (NULL if spectral) |
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int frameNo; // frame number (0 if not sequence) |
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RpictSimulManager(const char *octn = NULL) : |
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RtraceSimulManager(RtCall, this, octn) { |
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tvw.type = vw.type = 0; |
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hvres[0] = hvres[1] = 0; |
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thvres[0] = thvres[1] = 0; |
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pacc.refDepth = 1.; dunit[0] = '1'; dunit[1] = '\0'; |
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barPix = NULL; barDepth = NULL; |
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prCB = NULL; |
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prims = NULL; |
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frameNo = 0; |
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} |
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~RpictSimulManager() { |
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NewBar(); |
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} |
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/// Load octree and prepare renderer |
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bool LoadOctree(const char *octn) { |
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return RtraceSimulManager::LoadOctree(octn); |
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} |
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/// Prepare header from previous input (or clear) |
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bool NewHeader(const char *inspec=NULL) { |
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return RtraceSimulManager::NewHeader(inspec); |
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} |
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/// Add a string to header (adds newline if none) |
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bool AddHeader(const char *str) { |
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return RtraceSimulManager::AddHeader(str); |
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} |
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/// Append program line to header |
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bool AddHeader(int ac, char *av[]) { |
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return RtraceSimulManager::AddHeader(ac, av); |
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} |
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/// Get header lines if any |
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const char * GetHeader() const { |
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return RtraceSimulManager::GetHeader(); |
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} |
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/// Set number of computation threads (0 => #cores) |
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int SetThreadCount(int nt = 0) { |
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return RtraceSimulManager::SetThreadCount(nt); |
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} |
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/// Check thread count (1 means no multi-threading) |
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int NThreads() const { |
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return RtraceSimulManager::NThreads(); |
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} |
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/// How many threads are currently unoccupied? |
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int ThreadsAvailable() const { |
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return RtraceSimulManager::ThreadsAvailable(); |
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} |
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/// Are we ready? |
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bool Ready() const { |
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return RtraceSimulManager::Ready(); |
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} |
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/// Assign reference depth string (e.g., "2.5/meter") |
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bool SetReferenceDepth(const char *dstr) { |
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double dref = atof(dstr); |
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if (dref <= .0) return false; |
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strlcpy(dunit, dstr, sizeof(dunit)); |
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pacc.refDepth = dref; |
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return true; |
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} |
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bool SetReferenceDepth(double dref, const char *unit=NULL) { |
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if (dref <= .0) return false; |
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if (unit) sprintf(dunit, "%g/%s", dref, unit); |
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else sprintf(dunit, "%g", dref); |
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pacc.refDepth = dref; |
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return true; |
| 317 |
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} |
| 318 |
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/// Return reference depth |
| 319 |
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double GetReferenceDepth(char *du=NULL) const { |
| 320 |
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if (du) strcpy(du, dunit); |
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return pacc.refDepth; |
| 322 |
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} |
| 323 |
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/// Set up rendering frame (call after octree loaded) |
| 324 |
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/// Overall dimensions may be adjusted for view, |
| 325 |
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/// optional pixel aspect ratio and tile grid |
| 326 |
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/// Increments frameNo if >0 |
| 327 |
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bool NewFrame(const VIEW &v, int xydim[2], double *ap=NULL, |
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const int *tgrid=NULL); |
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/// Get current picture width |
| 330 |
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int GetWidth() const { |
| 331 |
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return hvres[0]; |
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} |
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/// Get current picture height |
| 334 |
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int GetHeight() const { |
| 335 |
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return hvres[1]; |
| 336 |
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} |
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/// Tile width |
| 338 |
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int TWidth() const { |
| 339 |
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return thvres[0]; |
| 340 |
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} |
| 341 |
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/// Tile height |
| 342 |
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int THeight() const { |
| 343 |
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return thvres[1]; |
| 344 |
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} |
| 345 |
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/// Render the specified tile in frame |
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/// Tile pixels are contiguous unless ystride != 0 |
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/// Tiles numbered from lower-left at (0,0) |
| 348 |
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/// Pixel type influenced by this->prims assignment |
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bool RenderTile(COLORV *rp, int ystride=0, float *zp=NULL, |
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const int *tile=NULL); |
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|
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/// Same but store as common-exponent COLR or SCOLR |
| 352 |
|
|
bool RenderTile(COLRV *bp, int ystride=0, float *zp=NULL, |
| 353 |
|
|
const int *tile=NULL); |
| 354 |
|
|
/// Same but also use 16-bit encoded depth buffer |
| 355 |
|
|
bool RenderTile(COLRV *bp, int ystride, short *dp, |
| 356 |
|
|
const int *tile=NULL); |
| 357 |
|
|
/// Render and write a frame to the named file |
| 358 |
|
|
/// Include any header lines set prior to call |
| 359 |
|
|
/// Picture file must not already exist |
| 360 |
|
|
/// Picture to stdout if pfname==NULL |
| 361 |
|
|
/// Depth written to a command if dfname[0]=='!' |
| 362 |
|
|
RenderDataType RenderFrame(const char *pfname, |
| 363 |
|
|
RenderDataType dt=RDTrgbe, |
| 364 |
|
|
const char *dfname=NULL); |
| 365 |
|
|
/// Resume partially finished rendering |
| 366 |
|
|
/// Picture file must exist with valid header |
| 367 |
|
|
RenderDataType ResumeFrame(const char *pfname, |
| 368 |
|
|
const char *dfname=NULL); |
| 369 |
|
|
/// Close octree, free data, return status |
| 370 |
|
|
int Cleanup(bool everything = false) { |
| 371 |
|
|
NewBar(); |
| 372 |
|
|
tvw.type = vw.type = 0; |
| 373 |
|
|
hvres[0] = hvres[1] = 0; |
| 374 |
|
|
thvres[0] = thvres[1] = 0; |
| 375 |
|
|
prims = NULL; |
| 376 |
|
|
frameNo = 0; |
| 377 |
|
|
return RtraceSimulManager::Cleanup(everything); |
| 378 |
|
|
} |
| 379 |
|
|
}; |
| 380 |
|
|
|
| 381 |
|
|
#endif /* RpictSimulManager_h */ |
