aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--convert-template.c561
1 files changed, 162 insertions, 399 deletions
diff --git a/convert-template.c b/convert-template.c
index 99b1589..30d7217 100644
--- a/convert-template.c
+++ b/convert-template.c
@@ -16,14 +16,6 @@ static void to_cie1960ucs(const libcolour_colour_t *restrict from, libcolour_cie
static void to_cieuvw(const libcolour_colour_t *restrict from, libcolour_cieuvw_t *restrict to);
-
-static void
-ciexyz_to_rgb(const libcolour_ciexyz_t *restrict from, libcolour_rgb_t *restrict to)
-{
- CIEXYZ_TO_RGB(from->X, from->Y, from->Z, to->R, to->G, to->B, to->Minv);
-}
-
-
static void
rgb_encode(libcolour_rgb_t *restrict colour, const libcolour_rgb_t *restrict space)
{
@@ -127,9 +119,6 @@ to_rgb(const libcolour_colour_t *restrict from, libcolour_rgb_t *restrict to)
int have_transfer = 0, with_transfer = to->with_transfer;
libcolour_ciexyz_t tmp;
switch (from->model) {
- case LIBCOLOUR_CIEXYZ:
- ciexyz_to_rgb(&from->ciexyz, to);
- break;
case LIBCOLOUR_RGB:
if (!memcmp(from->rgb.M, to->M, sizeof(TYPE[3][3]))) {
have_transfer = from->rgb.with_transfer;
@@ -144,7 +133,10 @@ to_rgb(const libcolour_colour_t *restrict from, libcolour_rgb_t *restrict to)
default:
tmp.model = LIBCOLOUR_CIEXYZ;
to_ciexyz(from, &tmp);
- ciexyz_to_rgb(&tmp, to);
+ from = (const void *)&tmp;
+ /* fall through */
+ case LIBCOLOUR_CIEXYZ:
+ CIEXYZ_TO_RGB(from->ciexyz.X, from->ciexyz.Y, from->ciexyz.Z, to->R, to->G, to->B, to->Minv);
break;
}
@@ -158,404 +150,221 @@ to_rgb(const libcolour_colour_t *restrict from, libcolour_rgb_t *restrict to)
static void
-ciexyz_to_srgb(const libcolour_ciexyz_t *restrict from, libcolour_srgb_t *restrict to)
-{
- CIEXYZ_TO_SRGB(from->X, from->Y, from->Z, to->R, to->G, to->B);
-}
-
-static void
-srgb_to_srgb(const libcolour_srgb_t *restrict from, libcolour_srgb_t *restrict to)
-{
- if (from->with_transfer == to->with_transfer) {
- *to = *from;
- } else if (to->with_transfer) {
- to->R = srgb_encode(from->R);
- to->G = srgb_encode(from->G);
- to->B = srgb_encode(from->B);
- } else {
- to->R = srgb_decode(from->R);
- to->G = srgb_decode(from->G);
- to->B = srgb_decode(from->B);
- }
-}
-
-static void
-yiq_to_srgb(const libcolour_yiq_t *restrict from, libcolour_srgb_t *restrict to)
-{
- YIQ_TO_SRGB(from->Y, from->I, from->Q, to->R, to->G, to->B);
-}
-
-static void
-ydbdr_to_srgb(const libcolour_ydbdr_t *restrict from, libcolour_srgb_t *restrict to)
-{
- YDBDR_TO_SRGB(from->Y, from->Db, from->Dr, to->R, to->G, to->B);
-}
-
-static void
-ypbpr_to_srgb(const libcolour_ypbpr_t *restrict from, libcolour_srgb_t *restrict to)
-{
- YPBPR_TO_SRGB(from->Y, from->Pb, from->Pr, to->R, to->G, to->B);
-}
-
-static void
-yuv_to_srgb(const libcolour_yuv_t *restrict from, libcolour_srgb_t *restrict to)
-{
- YUV_TO_SRGB(from->Y, from->U, from->V, to->R, to->G, to->B);
-}
-
-static void
-ycgco_to_srgb(const libcolour_ycgco_t *restrict from, libcolour_srgb_t *restrict to)
-{
- YCGCO_TO_SRGB(from->Y, from->Cg, from->Co, to->R, to->G, to->B);
-}
-
-static void
-other_to_srgb(const libcolour_colour_t *restrict from, libcolour_srgb_t *restrict to)
-{
- libcolour_ciexyz_t tmp;
- tmp.model = LIBCOLOUR_CIEXYZ;
- to_ciexyz(from, &tmp);
- ciexyz_to_srgb(&tmp, to);
-}
-
-static void
to_srgb(const libcolour_colour_t *restrict from, libcolour_srgb_t *restrict to)
{
- libcolour_srgb_t tmp;
+ libcolour_srgb_t tmp_srgb;
+ libcolour_ciexyz_t tmp_ciexyz;
switch (from->model) {
+ default:
+ tmp_ciexyz.model = LIBCOLOUR_CIEXYZ;
+ to_ciexyz(from, &tmp_ciexyz);
+ from = (const void *)&tmp_ciexyz;
+ /* fall through */
case LIBCOLOUR_CIEXYZ:
- ciexyz_to_srgb(&from->ciexyz, to);
+ CIEXYZ_TO_SRGB(from->ciexyz.X, from->ciexyz.Y, from->ciexyz.Z, to->R, to->G, to->B);
break;
case LIBCOLOUR_SRGB:
- srgb_to_srgb(&from->srgb, to);
+ srgb_to_srgb:
+ if (from->srgb.with_transfer == to->with_transfer) {
+ *to = from->srgb;
+ } else if (to->with_transfer) {
+ to->R = srgb_encode(from->srgb.R);
+ to->G = srgb_encode(from->srgb.G);
+ to->B = srgb_encode(from->srgb.B);
+ } else {
+ to->R = srgb_decode(from->srgb.R);
+ to->G = srgb_decode(from->srgb.G);
+ to->B = srgb_decode(from->srgb.B);
+ }
return;
case LIBCOLOUR_YIQ:
- yiq_to_srgb(&from->yiq, to);
+ YIQ_TO_SRGB(from->yiq.Y, from->yiq.I, from->yiq.Q, to->R, to->G, to->B);
break;
case LIBCOLOUR_YDBDR:
- ydbdr_to_srgb(&from->ydbdr, to);
+ YDBDR_TO_SRGB(from->ydbdr.Y, from->ydbdr.Db, from->ydbdr.Dr, to->R, to->G, to->B);
break;
case LIBCOLOUR_YPBPR:
- ypbpr_to_srgb(&from->ypbpr, to);
+ YPBPR_TO_SRGB(from->ypbpr.Y, from->ypbpr.Pb, from->ypbpr.Pr, to->R, to->G, to->B);
break;
case LIBCOLOUR_YUV:
- yuv_to_srgb(&from->yuv, to);
+ YUV_TO_SRGB(from->yuv.Y, from->yuv.U, from->yuv.V, to->R, to->G, to->B);
break;
case LIBCOLOUR_YCGCO:
- ycgco_to_srgb(&from->ycgco, to);
- break;
- default:
- other_to_srgb(from, to);
+ YCGCO_TO_SRGB(from->ycgco.Y, from->ycgco.Cg, from->ycgco.Co, to->R, to->G, to->B);
break;
}
if (to->with_transfer) {
- tmp = *to;
- tmp.with_transfer = 0;
- srgb_to_srgb(&tmp, to);
+ tmp_srgb = *to;
+ tmp_srgb.with_transfer = 0;
+ from = (const void *)&tmp_srgb;
+ goto srgb_to_srgb;
}
}
static void
-ciexyz_to_ciexyy(const libcolour_ciexyz_t *restrict from, libcolour_ciexyy_t *restrict to)
-{
- CIEXYZ_TO_CIEXYY(from->X, from->Y, from->Z, to->x, to->y, to->Y);
-}
-
-static void
-other_to_ciexyy(const libcolour_colour_t *restrict from, libcolour_ciexyy_t *restrict to)
-{
- libcolour_ciexyz_t tmp;
- tmp.model = LIBCOLOUR_CIEXYZ;
- to_ciexyz(from, &tmp);
- ciexyz_to_ciexyy(&tmp, to);
-}
-
-static void
-srgb_to_ciexyy(const libcolour_srgb_t *restrict from, libcolour_ciexyy_t *restrict to)
-{
- libcolour_srgb_t tmp;
- tmp.model = LIBCOLOUR_SRGB;
- if (from->with_transfer) {
- tmp.with_transfer = 0;
- to_srgb((const libcolour_colour_t*)from, &tmp);
- } else {
- tmp = *from;
- }
- if (tmp.R == 0 && tmp.G == 0 && tmp.B == 0) {
- to->x = D(0.31272660439158);
- to->y = D(0.32902315240275);
- to->Y = 0;
- } else {
- other_to_ciexyy((const libcolour_colour_t*)&tmp, to);
- }
-}
-
-static void
to_ciexyy(const libcolour_colour_t *restrict from, libcolour_ciexyy_t *restrict to)
{
+ libcolour_srgb_t tmp1;
+ libcolour_ciexyz_t tmp2;
switch (from->model) {
case LIBCOLOUR_CIEXYY:
*to = from->ciexyy;
- return;
- case LIBCOLOUR_CIEXYZ:
- ciexyz_to_ciexyy(&from->ciexyz, to);
- return;
+ break;
case LIBCOLOUR_SRGB:
- srgb_to_ciexyy(&from->srgb, to);
- return;
+ tmp1.model = LIBCOLOUR_SRGB;
+ if (from->srgb.with_transfer) {
+ tmp1.with_transfer = 0;
+ to_srgb((const libcolour_colour_t *)from, &tmp1);
+ } else {
+ tmp1 = from->srgb;
+ }
+ if (tmp1.R == 0 && tmp1.G == 0 && tmp1.B == 0) {
+ to->x = D(0.31272660439158);
+ to->y = D(0.32902315240275);
+ to->Y = 0;
+ break;
+ } else {
+ from = (const void *)&tmp1;
+ }
+ /* fall through */
default:
- other_to_ciexyy(from, to);
- return;
+ tmp2.model = LIBCOLOUR_CIEXYZ;
+ to_ciexyz(from, &tmp2);
+ from = (const void *)&tmp2;
+ /* fall through */
+ case LIBCOLOUR_CIEXYZ:
+ CIEXYZ_TO_CIEXYY(from->ciexyz.X, from->ciexyz.Y, from->ciexyz.Z, to->x, to->y, to->Y);
+ break;
}
}
static void
-rgb_to_ciexyz(const libcolour_rgb_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- libcolour_rgb_t tmp;
- TYPE R, G, B;
- if (from->with_transfer) {
- tmp = *from;
- tmp.with_transfer = 0;
- to_rgb((const libcolour_colour_t *)from, &tmp);
- R = tmp.R, G = tmp.G, B = tmp.B;
- } else {
- R = from->R, G = from->G, B = from->B;
- }
- RGB_TO_CIEXYZ(R, G, B, to->X, to->Y, to->Z, from->M);
-}
-
-static void
-srgb_to_ciexyz(const libcolour_srgb_t *restrict from, libcolour_ciexyz_t *restrict to)
+to_ciexyz(const libcolour_colour_t *restrict from, libcolour_ciexyz_t *restrict to)
{
- libcolour_srgb_t tmp;
+ libcolour_colour_t tmp;
+ libcolour_srgb_t tmp_srgb;
TYPE R, G, B;
- if (from->with_transfer) {
- tmp.model = LIBCOLOUR_SRGB;
- tmp.with_transfer = 0;
- to_srgb((const libcolour_colour_t*)from, &tmp);
- R = tmp.R, G = tmp.G, B = tmp.B;
- } else {
- R = from->R, G = from->G, B = from->B;
- }
- SRGB_TO_CIEXYZ(R, G, B, to->X, to->Y, to->Z);
-}
-
-static void
-ciexyy_to_ciexyz(const libcolour_ciexyy_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- CIEXYY_TO_CIEXYZ(from->x, from->y, from->Y, to->X, to->Y, to->Z);
-}
-
-static void
-cielab_to_ciexyz(const libcolour_cielab_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- CIELAB_TO_CIEXYZ(from->L, from->a, from->b, to->X, to->Y, to->Z);
-}
-
-static void
-cieluv_to_ciexyz(const libcolour_cieluv_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- CIELUV_TO_CIEXYZ(from->L, from->u, from->v, to->X, to->Y, to->Z,
- from->white.X, from->white.Y, from->white.Z);
-}
-
-static void
-cielchuv_to_ciexyz(const libcolour_cielchuv_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- libcolour_cieluv_t tmp;
- tmp.model = LIBCOLOUR_CIELUV;
- tmp.white = from->white;
- to_cieluv((const libcolour_colour_t*)from, &tmp);
- cieluv_to_ciexyz(&tmp, to);
-}
-
-static void
-yiq_to_ciexyz(const libcolour_yiq_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- YIQ_TO_CIEXYZ(from->Y, from->I, from->Q, to->X, to->Y, to->Z);
-}
-
-static void
-ydbdr_to_ciexyz(const libcolour_ydbdr_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- YDBDR_TO_CIEXYZ(from->Y, from->Db, from->Dr, to->X, to->Y, to->Z);
-}
-
-static void
-yuv_to_ciexyz(const libcolour_yuv_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- YUV_TO_CIEXYZ(from->Y, from->U, from->V, to->X, to->Y, to->Z);
-}
-
-static void
-ypbpr_to_ciexyz(const libcolour_ypbpr_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- YPBPR_TO_CIEXYZ(from->Y, from->Pb, from->Pr, to->X, to->Y, to->Z);
-}
-
-static void
-ycgco_to_ciexyz(const libcolour_ycgco_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- YCGCO_TO_CIEXYZ(from->Y, from->Cg, from->Co, to->X, to->Y, to->Z);
-}
-
-static void
-cie1960ucs_to_ciexyz(const libcolour_cie1960ucs_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- CIE1960UCS_TO_CIEXYZ(from->u, from->v, from->Y, to->X, to->Y, to->Z);
-}
-
-static void
-cieuvw_to_ciexyz(const libcolour_cieuvw_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- libcolour_cie1960ucs_t tmp;
- tmp.model = LIBCOLOUR_CIE1960UCS;
- to_cie1960ucs((const libcolour_colour_t *)from, &tmp);
- cie1960ucs_to_ciexyz(&tmp, to);
-}
-
-static void
-other_to_ciexyz(const libcolour_colour_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
- libcolour_srgb_t tmp;
- tmp.model = LIBCOLOUR_SRGB;
- tmp.with_transfer = 0;
- to_srgb(from, &tmp);
- srgb_to_ciexyz(&tmp, to);
-}
-
-static void to_ciexyz(const libcolour_colour_t *restrict from, libcolour_ciexyz_t *restrict to)
-{
switch (from->model) {
case LIBCOLOUR_RGB:
- rgb_to_ciexyz(&from->rgb, to);
+ if (from->rgb.with_transfer) {
+ tmp.rgb = from->rgb;
+ tmp.rgb.with_transfer = 0;
+ to_rgb(from, &tmp.rgb);
+ R = tmp.rgb.R, G = tmp.rgb.G, B = tmp.rgb.B;
+ } else {
+ R = from->rgb.R, G = from->rgb.G, B = from->rgb.B;
+ }
+ RGB_TO_CIEXYZ(R, G, B, to->X, to->Y, to->Z, from->rgb.M);
break;
+ default:
+ tmp.srgb.model = LIBCOLOUR_SRGB;
+ tmp.srgb.with_transfer = 0;
+ to_srgb(from, &tmp.srgb);
+ from = (const void *)&tmp.srgb;
+ /* fall through */
case LIBCOLOUR_SRGB:
- srgb_to_ciexyz(&from->srgb, to);
+ if (from->srgb.with_transfer) {
+ tmp_srgb.model = LIBCOLOUR_SRGB;
+ tmp_srgb.with_transfer = 0;
+ to_srgb(from, &tmp_srgb);
+ R = tmp_srgb.R, G = tmp_srgb.G, B = tmp_srgb.B;
+ } else {
+ R = from->srgb.R, G = from->srgb.G, B = from->srgb.B;
+ }
+ SRGB_TO_CIEXYZ(R, G, B, to->X, to->Y, to->Z);
break;
case LIBCOLOUR_CIEXYY:
- ciexyy_to_ciexyz(&from->ciexyy, to);
+ CIEXYY_TO_CIEXYZ(from->ciexyy.x, from->ciexyy.y, from->ciexyy.Y, to->X, to->Y, to->Z);
break;
case LIBCOLOUR_CIEXYZ:
*to = from->ciexyz;
break;
case LIBCOLOUR_CIELAB:
- cielab_to_ciexyz(&from->cielab, to);
- break;
- case LIBCOLOUR_CIELUV:
- cieluv_to_ciexyz(&from->cieluv, to);
+ CIELAB_TO_CIEXYZ(from->cielab.L, from->cielab.a, from->cielab.b, to->X, to->Y, to->Z);
break;
case LIBCOLOUR_CIELCHUV:
- cielchuv_to_ciexyz(&from->cielchuv, to);
+ tmp.cieluv.model = LIBCOLOUR_CIELUV;
+ tmp.cieluv.white = from->cielchuv.white;
+ to_cieluv(from, &tmp.cieluv);
+ from = (const void *)&tmp.cieluv;
+ /* fall through */
+ case LIBCOLOUR_CIELUV:
+ CIELUV_TO_CIEXYZ(from->cieluv.L, from->cieluv.u, from->cieluv.v, to->X, to->Y, to->Z,
+ from->cieluv.white.X, from->cieluv.white.Y, from->cieluv.white.Z);
break;
case LIBCOLOUR_YIQ:
- yiq_to_ciexyz(&from->yiq, to);
+ YIQ_TO_CIEXYZ(from->yiq.Y, from->yiq.I, from->yiq.Q, to->X, to->Y, to->Z);
break;
case LIBCOLOUR_YDBDR:
- ydbdr_to_ciexyz(&from->ydbdr, to);
+ YDBDR_TO_CIEXYZ(from->ydbdr.Y, from->ydbdr.Db, from->ydbdr.Dr, to->X, to->Y, to->Z);
break;
case LIBCOLOUR_YUV:
- yuv_to_ciexyz(&from->yuv, to);
+ YUV_TO_CIEXYZ(from->yuv.Y, from->yuv.U, from->yuv.V, to->X, to->Y, to->Z);
break;
case LIBCOLOUR_YPBPR:
- ypbpr_to_ciexyz(&from->ypbpr, to);
+ YPBPR_TO_CIEXYZ(from->ypbpr.Y, from->ypbpr.Pb, from->ypbpr.Pr, to->X, to->Y, to->Z);
break;
case LIBCOLOUR_YCGCO:
- ycgco_to_ciexyz(&from->ycgco, to);
- break;
- case LIBCOLOUR_CIE1960UCS:
- cie1960ucs_to_ciexyz(&from->cie1960ucs, to);
+ YCGCO_TO_CIEXYZ(from->ycgco.Y, from->ycgco.Cg, from->ycgco.Co, to->X, to->Y, to->Z);
break;
case LIBCOLOUR_CIEUVW:
- cieuvw_to_ciexyz(&from->cieuvw, to);
- break;
- default:
- other_to_ciexyz(from, to);
+ tmp.cie1960ucs.model = LIBCOLOUR_CIE1960UCS;
+ to_cie1960ucs(from, &tmp.cie1960ucs);
+ from = (const void *)&tmp.cie1960ucs;
+ /* fall through */
+ case LIBCOLOUR_CIE1960UCS:
+ CIE1960UCS_TO_CIEXYZ(from->cie1960ucs.u, from->cie1960ucs.v, from->cie1960ucs.Y, to->X, to->Y, to->Z);
break;
}
}
static void
-ciexyz_to_cielab(const libcolour_ciexyz_t *restrict from, libcolour_cielab_t *restrict to)
-{
- CIEXYZ_TO_CIELAB(from->X, from->Y, from->Z, to->L, to->a, to->b);
-}
-
-static void
-other_to_cielab(const libcolour_colour_t *restrict from, libcolour_cielab_t *restrict to)
-{
- libcolour_ciexyz_t tmp;
- tmp.model = LIBCOLOUR_CIEXYZ;
- to_ciexyz(from, &tmp);
- ciexyz_to_cielab(&tmp, to);
-}
-
-static void
to_cielab(const libcolour_colour_t *restrict from, libcolour_cielab_t *restrict to)
{
+ libcolour_ciexyz_t tmp;
switch (from->model) {
+ default:
+ tmp.model = LIBCOLOUR_CIEXYZ;
+ to_ciexyz(from, &tmp);
+ from = (const void *)&tmp;
+ /* fall through */
case LIBCOLOUR_CIEXYZ:
- ciexyz_to_cielab(&from->ciexyz, to);
- return;
+ CIEXYZ_TO_CIELAB(from->ciexyz.X, from->ciexyz.Y, from->ciexyz.Z, to->L, to->a, to->b);
+ break;
case LIBCOLOUR_CIELAB:
*to = from->cielab;
- return;
- default:
- other_to_cielab(from, to);
- return;
+ break;
}
}
static void
-ciexyz_to_cieluv(const libcolour_ciexyz_t *restrict from, libcolour_cieluv_t *restrict to)
-{
- CIEXYZ_TO_CIELUV(from->X, from->Y, from->Z, to->L, to->u, to->v,
- to->white.X, to->white.Y, to->white.Z);
-}
-
-static void
-cielchuv_to_cieluv(const libcolour_cielchuv_t *restrict from, libcolour_cieluv_t *restrict to)
+to_cieluv(const libcolour_colour_t *restrict from, libcolour_cieluv_t *restrict to)
{
libcolour_ciexyz_t tmp;
libcolour_cielchuv_t tmp2;
TYPE L, C, h;
- if (to->white.X != from->white.X || to->white.Y != from->white.Y || to->white.Z != from->white.Z) {
- tmp.model = LIBCOLOUR_CIEXYZ;
- tmp2.model = LIBCOLOUR_CIELCHUV;
- tmp2.white = to->white;
- tmp2.one_revolution = PI2;
- to_ciexyz((const libcolour_colour_t*)from, &tmp);
- to_cielchuv((const libcolour_colour_t*)&tmp, &tmp2);
- L = tmp2.L, C = tmp2.C, h = tmp2.h;
- } else {
- L = from->L, C = from->C, h = from->h * PI2 / from->one_revolution;
- }
- CIELCHUV_TO_CIELUV(L, C, h, to->L, to->u, to->v);
-}
-
-static void
-other_to_cieluv(const libcolour_colour_t *restrict from, libcolour_cieluv_t *restrict to)
-{
- libcolour_ciexyz_t tmp;
- tmp.model = LIBCOLOUR_CIEXYZ;
- to_ciexyz(from, &tmp);
- ciexyz_to_cieluv(&tmp, to);
-}
-
-static void
-to_cieluv(const libcolour_colour_t *restrict from, libcolour_cieluv_t *restrict to)
-{
switch (from->model) {
- case LIBCOLOUR_CIEXYZ:
- ciexyz_to_cieluv(&from->ciexyz, to);
- break;
case LIBCOLOUR_CIELCHUV:
- cielchuv_to_cieluv(&from->cielchuv, to);
+ if (to->white.X != from->cielchuv.white.X ||
+ to->white.Y != from->cielchuv.white.Y ||
+ to->white.Z != from->cielchuv.white.Z) {
+ tmp.model = LIBCOLOUR_CIEXYZ;
+ tmp2.model = LIBCOLOUR_CIELCHUV;
+ tmp2.white = to->white;
+ tmp2.one_revolution = PI2;
+ to_ciexyz(from, &tmp);
+ to_cielchuv((const libcolour_colour_t *)&tmp, &tmp2);
+ L = tmp2.L, C = tmp2.C, h = tmp2.h;
+ } else {
+ L = from->cielchuv.L;
+ C = from->cielchuv.C;
+ h = from->cielchuv.h * PI2 / from->cielchuv.one_revolution;
+ }
+ CIELCHUV_TO_CIELUV(L, C, h, to->L, to->u, to->v);
break;
case LIBCOLOUR_CIELUV:
if (to->white.X == from->cieluv.white.X &&
@@ -566,46 +375,24 @@ to_cieluv(const libcolour_colour_t *restrict from, libcolour_cieluv_t *restrict
}
/* fall through */
default:
- other_to_cieluv(from, to);
+ tmp.model = LIBCOLOUR_CIEXYZ;
+ to_ciexyz(from, &tmp);
+ from = (const void *)&tmp;
+ /* fall through */
+ case LIBCOLOUR_CIEXYZ:
+ CIEXYZ_TO_CIELUV(from->ciexyz.X, from->ciexyz.Y, from->ciexyz.Z,
+ to->L, to->u, to->v, to->white.X, to->white.Y, to->white.Z);
break;
}
}
static void
-cieluv_to_cielchuv(const libcolour_cieluv_t *restrict from, libcolour_cielchuv_t *restrict to)
-{
- libcolour_cieluv_t tmp;
- TYPE L, u, v;
- if (to->white.X != from->white.X || to->white.Y != from->white.Y || to->white.Z != from->white.Z) {
- tmp.model = LIBCOLOUR_CIELUV;
- tmp.white = to->white;
- to_cieluv((const libcolour_colour_t *)from, &tmp);
- L = tmp.L, u = tmp.u, v = tmp.v;
- } else {
- L = from->L, u = from->u, v = from->v;
- }
- CIELUV_TO_CIELCHUV(L, u, v, to->L, to->C, to->h, to->one_revolution);
-}
-
-static void
-other_to_cielchuv(const libcolour_colour_t *restrict from, libcolour_cielchuv_t *restrict to)
-{
- libcolour_cieluv_t tmp;
- tmp.model = LIBCOLOUR_CIELUV;
- tmp.white = to->white;
- to_cieluv(from, &tmp);
- cieluv_to_cielchuv(&tmp, to);
-}
-
-static void
to_cielchuv(const libcolour_colour_t *restrict from, libcolour_cielchuv_t *restrict to)
{
- TYPE one_revolution;
+ libcolour_cieluv_t tmp1, tmp2;
+ TYPE one_revolution, L, u, v;
switch (from->model) {
- case LIBCOLOUR_CIELUV:
- cieluv_to_cielchuv(&from->cieluv, to);
- break;
case LIBCOLOUR_CIELCHUV:
if (to->white.X == from->cielchuv.white.X &&
to->white.Y == from->cielchuv.white.Y &&
@@ -622,7 +409,23 @@ to_cielchuv(const libcolour_colour_t *restrict from, libcolour_cielchuv_t *restr
}
/* fall through */
default:
- other_to_cielchuv(from, to);
+ tmp1.model = LIBCOLOUR_CIELUV;
+ tmp1.white = to->white;
+ to_cieluv(from, &tmp1);
+ from = (const void *)&tmp1;
+ /* fall through */
+ case LIBCOLOUR_CIELUV:
+ if (to->white.X != from->cieluv.white.X ||
+ to->white.Y != from->cieluv.white.Y ||
+ to->white.Z != from->cieluv.white.Z) {
+ tmp2.model = LIBCOLOUR_CIELUV;
+ tmp2.white = to->white;
+ to_cieluv(from, &tmp2);
+ L = tmp2.L, u = tmp2.u, v = tmp2.v;
+ } else {
+ L = from->cieluv.L, u = from->cieluv.u, v = from->cieluv.v;
+ }
+ CIELUV_TO_CIELCHUV(L, u, v, to->L, to->C, to->h, to->one_revolution);
break;
}
}
@@ -808,7 +611,6 @@ to_cieuvw(const libcolour_colour_t *restrict from, libcolour_cieuvw_t *restrict
}
-
int
libcolour_convert(const libcolour_colour_t *restrict from, libcolour_colour_t *restrict to)
{
@@ -819,48 +621,9 @@ libcolour_convert(const libcolour_colour_t *restrict from, libcolour_colour_t *r
return -1;
}
switch (to->model) {
- case LIBCOLOUR_RGB:
- to_rgb(from, &to->rgb);
- break;
- case LIBCOLOUR_SRGB:
- to_srgb(from, &to->srgb);
- break;
- case LIBCOLOUR_CIEXYY:
- to_ciexyy(from, &to->ciexyy);
- break;
- case LIBCOLOUR_CIEXYZ:
- to_ciexyz(from, &to->ciexyz);
- break;
- case LIBCOLOUR_CIELAB:
- to_cielab(from, &to->cielab);
- break;
- case LIBCOLOUR_CIELUV:
- to_cieluv(from, &to->cieluv);
- break;
- case LIBCOLOUR_CIELCHUV:
- to_cielchuv(from, &to->cielchuv);
- break;
- case LIBCOLOUR_YIQ:
- to_yiq(from, &to->yiq);
- break;
- case LIBCOLOUR_YDBDR:
- to_ydbdr(from, &to->ydbdr);
- break;
- case LIBCOLOUR_YUV:
- to_yuv(from, &to->yuv);
- break;
- case LIBCOLOUR_YPBPR:
- to_ypbpr(from, &to->ypbpr);
- break;
- case LIBCOLOUR_YCGCO:
- to_ycgco(from, &to->ycgco);
- break;
- case LIBCOLOUR_CIE1960UCS:
- to_cie1960ucs(from, &to->cie1960ucs);
- break;
- case LIBCOLOUR_CIEUVW:
- to_cieuvw(from, &to->cieuvw);
- break;
+#define X(C, T, N) case C: to_##N(from, &to->N); break;
+ LIST_MODELS(X)
+#undef X
default:
errno = EINVAL;
return -1;