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#include "tmprivat.h" |
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#include "tmaptiff.h" |
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#ifndef BSD |
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#define bzero(d,n) (void)memset(d,0,n) |
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#endif |
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#define uvflgop(p,uv,op) ((p)->rgbflg[(uv)>>5] op (1L<<((uv)&0x1f))) |
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#define isuvset(p,uv) uvflgop(p,uv,&) |
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#define setuv(p,uv) uvflgop(p,uv,|=) |
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#define clruv(p,uv) uvflgop(p,uv,&=~) |
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#define clruvall(p) bzero((MEM_PTR)(p)->rgbflg,sizeof((p)->rgbflg)) |
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> |
#define clruvall(p) memset((MEM_PTR)(p)->rgbflg,'\0',sizeof((p)->rgbflg)) |
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#ifdef NOPROTO |
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static MEM_PTR luv32Init(); |
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static MEM_PTR luv24Init(); |
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static void luv24NewSpace(); |
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#else |
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static MEM_PTR luv32Init(struct tmStruct *); |
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static void luv32NewSpace(struct tmStruct *); |
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static MEM_PTR luv24Init(struct tmStruct *); |
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static void luv24NewSpace(struct tmStruct *); |
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static MEM_PTR luv32Init(TMstruct *); |
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static void luv32NewSpace(TMstruct *); |
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static MEM_PTR luv24Init(TMstruct *); |
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static void luv24NewSpace(TMstruct *); |
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#endif |
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typedef struct { |
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static void |
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uv2rgb(rgb, tm, uvp) /* compute RGB from uv coordinate */ |
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uv2rgb(rgb, tms, uvp) /* compute RGB from uv coordinate */ |
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BYTE rgb[3]; |
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register struct tmStruct *tm; |
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> |
register TMstruct *tms; |
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double uvp[2]; |
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{ /* Should check that tm->inppri==TM_XYZPRIM beforehand... */ |
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{ /* Should check that tms->inppri==TM_XYZPRIM beforehand... */ |
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double d, x, y; |
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COLOR XYZ, RGB; |
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/* convert to XYZ */ |
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d = 1./(6.*uvp[0] - 16.*uvp[1] + 12.); |
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x = 9.*uvp[0] * d; |
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y = 4.*uvp[1] * d; |
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XYZ[CIEY] = 1./tm->inpsf; |
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XYZ[CIEY] = 1./tms->inpsf; |
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XYZ[CIEX] = x/y * XYZ[CIEY]; |
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XYZ[CIEZ] = (1.-x-y)/y * XYZ[CIEY]; |
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/* convert to RGB and clip */ |
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colortrans(RGB, tm->cmat, XYZ); |
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colortrans(RGB, tms->cmat, XYZ); |
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clipgamut(RGB, 1., CGAMUT_LOWER, cblack, cwhite); |
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/* perform final scaling & gamma */ |
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d = tm->clf[RED] * RGB[RED]; |
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rgb[RED] = d>=.999 ? 255 : (int)(256.*pow(d, 1./tm->mongam)); |
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d = tm->clf[GRN] * RGB[GRN]; |
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rgb[GRN] = d>=.999 ? 255 : (int)(256.*pow(d, 1./tm->mongam)); |
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d = tm->clf[BLU] * RGB[BLU]; |
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rgb[BLU] = d>=.999 ? 255 : (int)(256.*pow(d, 1./tm->mongam)); |
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> |
d = tms->clf[RED] * RGB[RED]; |
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rgb[RED] = d>=.999 ? 255 : (int)(256.*pow(d, 1./tms->mongam)); |
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> |
d = tms->clf[GRN] * RGB[GRN]; |
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rgb[GRN] = d>=.999 ? 255 : (int)(256.*pow(d, 1./tms->mongam)); |
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> |
d = tms->clf[BLU] * RGB[BLU]; |
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rgb[BLU] = d>=.999 ? 255 : (int)(256.*pow(d, 1./tms->mongam)); |
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} |
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|
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int |
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tmCvLuv32(ls, cs, luvs, len) /* convert raw 32-bit LogLuv values */ |
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TMbright *ls; |
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BYTE *cs; |
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uint32 *luvs; |
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int len; |
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> |
tmCvLuv32( /* convert raw 32-bit LogLuv values */ |
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> |
TMstruct *tms, |
128 |
> |
TMbright *ls, |
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> |
BYTE *cs, |
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> |
uint32 *luvs, |
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> |
int len |
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) |
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{ |
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static char funcName[] = "tmCvLuv32"; |
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> |
static const char funcName[] = "tmCvLuv32"; |
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double uvp[2]; |
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register LUV32DATA *ld; |
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register int i, j; |
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/* check arguments */ |
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< |
if (tmTop == NULL) |
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> |
if (tms == NULL) |
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returnErr(TM_E_TMINVAL); |
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< |
if (ls == NULL | luvs == NULL | len < 0) |
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> |
if ((ls == NULL) | (luvs == NULL) | (len < 0)) |
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returnErr(TM_E_ILLEGAL); |
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/* check package registration */ |
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if (luv32Reg < 0) { |
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tmMkMesofact(); |
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} |
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/* get package data */ |
150 |
< |
if ((ld = (LUV32DATA *)tmPkgData(tmTop,luv32Reg)) == NULL) |
150 |
> |
if ((ld = (LUV32DATA *)tmPkgData(tms,luv32Reg)) == NULL) |
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returnErr(TM_E_NOMEM); |
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/* convert each pixel */ |
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for (i = len; i--; ) { |
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if (cs == TM_NOCHROM) /* no color? */ |
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continue; |
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/* get chrominance */ |
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< |
if (tmTop->flags & TM_F_MESOPIC && ls[i] < BMESUPPER) { |
162 |
> |
if (tms->flags & TM_F_MESOPIC && ls[i] < BMESUPPER) { |
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uvp[0] = 1./UVSCALE*((luvs[i]>>8 & 0xff) + .5); |
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uvp[1] = 1./UVSCALE*((luvs[i] & 0xff) + .5); |
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ls[i] = compmeshift(ls[i], uvp); |
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< |
j = tmTop->flags&TM_F_BW || ls[i]<BMESLOWER |
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> |
j = tms->flags&TM_F_BW || ls[i]<BMESLOWER |
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? UVNEU |
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: (int)(uvp[0]*UVSCALE)<<8 |
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| (int)(uvp[1]*UVSCALE); |
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} else { |
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j = tmTop->flags&TM_F_BW ? UVNEU : luvs[i]&0xffff; |
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j = tms->flags&TM_F_BW ? UVNEU : luvs[i]&0xffff; |
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} |
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if (!isuvset(ld, j)) { |
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uvp[0] = 1./UVSCALE*((j>>8) + .5); |
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uvp[1] = 1./UVSCALE*((j & 0xff) + .5); |
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< |
uv2rgb(ld->rgbval[j], tmTop, uvp); |
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> |
uv2rgb(ld->rgbval[j], tms, uvp); |
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setuv(ld, j); |
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} |
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cs[3*i ] = ld->rgbval[j][RED]; |
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int |
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< |
tmCvLuv24(ls, cs, luvs, len) /* convert raw 24-bit LogLuv values */ |
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< |
TMbright *ls; |
190 |
< |
BYTE *cs; |
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< |
uint32 *luvs; |
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< |
int len; |
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> |
tmCvLuv24( /* convert raw 24-bit LogLuv values */ |
189 |
> |
TMstruct *tms, |
190 |
> |
TMbright *ls, |
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> |
BYTE *cs, |
192 |
> |
uint32 *luvs, |
193 |
> |
int len |
194 |
> |
) |
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{ |
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char funcName[] = "tmCvLuv24"; |
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double uvp[2]; |
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register LUV24DATA *ld; |
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register int i, j; |
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/* check arguments */ |
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< |
if (tmTop == NULL) |
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> |
if (tms == NULL) |
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returnErr(TM_E_TMINVAL); |
203 |
< |
if (ls == NULL | luvs == NULL | len < 0) |
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> |
if ((ls == NULL) | (luvs == NULL) | (len < 0)) |
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returnErr(TM_E_ILLEGAL); |
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/* check package registration */ |
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if (luv24Reg < 0) { |
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tmMkMesofact(); |
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} |
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/* get package data */ |
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< |
if ((ld = (LUV24DATA *)tmPkgData(tmTop,luv24Reg)) == NULL) |
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> |
if ((ld = (LUV24DATA *)tmPkgData(tms,luv24Reg)) == NULL) |
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returnErr(TM_E_NOMEM); |
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/* convert each pixel */ |
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for (i = len; i--; ) { |
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if (cs == TM_NOCHROM) /* no color? */ |
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continue; |
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/* get chrominance */ |
221 |
< |
if (tmTop->flags & TM_F_MESOPIC && ls[i] < BMESUPPER) { |
222 |
< |
if (uv_decode(uvp, uvp+1, luvs[i]&0x3fff) < 0) { |
221 |
> |
if (tms->flags & TM_F_MESOPIC && ls[i] < BMESUPPER) { |
222 |
> |
if (uv_decode(&uvp[0], &uvp[1], luvs[i]&0x3fff) < 0) { |
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uvp[0] = U_NEU; /* should barf? */ |
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uvp[1] = V_NEU; |
225 |
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} |
226 |
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ls[i] = compmeshift(ls[i], uvp); |
227 |
< |
if (tmTop->flags&TM_F_BW || ls[i]<BMESLOWER |
227 |
> |
if (tms->flags&TM_F_BW || ls[i]<BMESLOWER |
228 |
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|| (j = uv_encode(uvp[0], uvp[1], |
229 |
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SGILOGENCODE_NODITHER)) < 0) |
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j = uv14neu; |
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} else { |
232 |
< |
j = tmTop->flags&TM_F_BW ? uv14neu : luvs[i]&0x3fff; |
232 |
> |
j = tms->flags&TM_F_BW ? uv14neu : |
233 |
> |
(int)(luvs[i]&0x3fff); |
234 |
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} |
235 |
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if (!isuvset(ld, j)) { |
236 |
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if (uv_decode(&uvp[0], &uvp[1], j) < 0) { |
237 |
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uvp[0] = U_NEU; uvp[1] = V_NEU; |
238 |
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} |
239 |
< |
uv2rgb(ld->rgbval[j], tmTop, uvp); |
239 |
> |
uv2rgb(ld->rgbval[j], tms, uvp); |
240 |
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setuv(ld, j); |
241 |
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} |
242 |
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cs[3*i ] = ld->rgbval[j][RED]; |
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249 |
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250 |
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int |
251 |
< |
tmCvL16(ls, l16s, len) /* convert 16-bit LogL values */ |
252 |
< |
TMbright *ls; |
253 |
< |
uint16 *l16s; |
254 |
< |
int len; |
251 |
> |
tmCvL16( /* convert 16-bit LogL values */ |
252 |
> |
TMstruct *tms, |
253 |
> |
TMbright *ls, |
254 |
> |
uint16 *l16s, |
255 |
> |
int len |
256 |
> |
) |
257 |
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{ |
258 |
< |
static char funcName[] = "tmCvL16"; |
258 |
> |
static const char funcName[] = "tmCvL16"; |
259 |
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static double lastsf; |
260 |
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static int offset; |
261 |
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register int i; |
262 |
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/* check arguments */ |
263 |
< |
if (tmTop == NULL) |
263 |
> |
if (tms == NULL) |
264 |
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returnErr(TM_E_TMINVAL); |
265 |
< |
if (ls == NULL | l16s == NULL | len < 0) |
265 |
> |
if ((ls == NULL) | (l16s == NULL) | (len < 0)) |
266 |
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returnErr(TM_E_ILLEGAL); |
267 |
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/* check scaling offset */ |
268 |
< |
if (!FEQ(tmTop->inpsf, lastsf)) { |
269 |
< |
offset = BRT2SCALE(64); |
270 |
< |
if (tmTop->inpsf > 1.0001) |
267 |
< |
offset -= (int)(TM_BRTSCALE*log(tmTop->inpsf)+.5); |
268 |
< |
else if (tmTop->inpsf < 0.9999) |
269 |
< |
offset -= (int)(TM_BRTSCALE*log(tmTop->inpsf)-.5); |
270 |
< |
lastsf = tmTop->inpsf; |
268 |
> |
if (!FEQ(tms->inpsf, lastsf)) { |
269 |
> |
offset = BRT2SCALE(64) - tmCvLuminance(tms->inpsf); |
270 |
> |
lastsf = tms->inpsf; |
271 |
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} |
272 |
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/* convert each pixel */ |
273 |
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for (i = len; i--; ) { |
281 |
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|
282 |
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|
283 |
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static void |
284 |
< |
luv32NewSpace(tm) /* initialize 32-bit LogLuv color space */ |
285 |
< |
struct tmStruct *tm; |
284 |
> |
luv32NewSpace(tms) /* initialize 32-bit LogLuv color space */ |
285 |
> |
TMstruct *tms; |
286 |
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{ |
287 |
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register LUV32DATA *ld; |
288 |
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|
289 |
< |
if (tm->inppri != TM_XYZPRIM) { /* panic time! */ |
289 |
> |
if (tms->inppri != TM_XYZPRIM) { /* panic time! */ |
290 |
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fputs("Improper input color space in luv32NewSpace!\n", stderr); |
291 |
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exit(1); |
292 |
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} |
293 |
< |
ld = (LUV32DATA *)tm->pd[luv32Reg]; |
294 |
< |
ld->offset = BRT2SCALE(64); |
295 |
< |
if (tm->inpsf > 1.0001) |
296 |
< |
ld->offset -= (int)(TM_BRTSCALE*log(tmTop->inpsf)+.5); |
297 |
< |
else if (tm->inpsf < 0.9999) |
298 |
< |
ld->offset -= (int)(TM_BRTSCALE*log(tmTop->inpsf)-.5); |
293 |
> |
ld = (LUV32DATA *)tms->pd[luv32Reg]; |
294 |
> |
ld->offset = BRT2SCALE(64) - tmCvLuminance(tms->inpsf); |
295 |
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clruvall(ld); |
296 |
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} |
297 |
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|
298 |
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|
299 |
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static MEM_PTR |
300 |
< |
luv32Init(tm) /* allocate data for 32-bit LogLuv decoder */ |
301 |
< |
struct tmStruct *tm; |
300 |
> |
luv32Init(tms) /* allocate data for 32-bit LogLuv decoder */ |
301 |
> |
TMstruct *tms; |
302 |
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{ |
303 |
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register LUV32DATA *ld; |
304 |
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|
305 |
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ld = (LUV32DATA *)malloc(sizeof(LUV32DATA)); |
306 |
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if (ld == NULL) |
307 |
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return(NULL); |
308 |
< |
tm->pd[luv32Reg] = (MEM_PTR)ld; |
309 |
< |
luv32NewSpace(tm); |
308 |
> |
tms->pd[luv32Reg] = (MEM_PTR)ld; |
309 |
> |
luv32NewSpace(tms); |
310 |
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return((MEM_PTR)ld); |
311 |
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} |
312 |
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|
313 |
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|
314 |
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static void |
315 |
< |
luv24NewSpace(tm) /* initialize 24-bit LogLuv color space */ |
316 |
< |
struct tmStruct *tm; |
315 |
> |
luv24NewSpace(tms) /* initialize 24-bit LogLuv color space */ |
316 |
> |
TMstruct *tms; |
317 |
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{ |
318 |
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register LUV24DATA *ld; |
319 |
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|
320 |
< |
if (tm->inppri != TM_XYZPRIM) { /* panic time! */ |
320 |
> |
if (tms->inppri != TM_XYZPRIM) { /* panic time! */ |
321 |
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fputs("Improper input color space in luv24NewSpace!\n", stderr); |
322 |
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exit(1); |
323 |
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} |
324 |
< |
ld = (LUV24DATA *)tm->pd[luv24Reg]; |
325 |
< |
ld->offset = BRT2SCALE(12); |
330 |
< |
if (tm->inpsf > 1.0001) |
331 |
< |
ld->offset -= (int)(TM_BRTSCALE*log(tmTop->inpsf)+.5); |
332 |
< |
else if (tm->inpsf < 0.9999) |
333 |
< |
ld->offset -= (int)(TM_BRTSCALE*log(tmTop->inpsf)-.5); |
324 |
> |
ld = (LUV24DATA *)tms->pd[luv24Reg]; |
325 |
> |
ld->offset = BRT2SCALE(12) - tmCvLuminance(tms->inpsf); |
326 |
|
clruvall(ld); |
327 |
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} |
328 |
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|
329 |
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|
330 |
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static MEM_PTR |
331 |
< |
luv24Init(tm) /* allocate data for 24-bit LogLuv decoder */ |
332 |
< |
struct tmStruct *tm; |
331 |
> |
luv24Init(tms) /* allocate data for 24-bit LogLuv decoder */ |
332 |
> |
TMstruct *tms; |
333 |
|
{ |
334 |
|
register LUV24DATA *ld; |
335 |
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|
336 |
|
ld = (LUV24DATA *)malloc(sizeof(LUV24DATA)); |
337 |
|
if (ld == NULL) |
338 |
|
return(NULL); |
339 |
< |
tm->pd[luv24Reg] = (MEM_PTR)ld; |
339 |
> |
tms->pd[luv24Reg] = (MEM_PTR)ld; |
340 |
|
if (uv14neu < 0) /* initialize neutral color index */ |
341 |
|
uv14neu = uv_encode(U_NEU, V_NEU, SGILOGENCODE_NODITHER); |
342 |
< |
luv24NewSpace(tm); |
342 |
> |
luv24NewSpace(tms); |
343 |
|
return((MEM_PTR)ld); |
344 |
|
} |