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-rw-r--r--source/blender/editors/space_node/drawnode.c7
-rw-r--r--source/blender/makesrna/intern/rna_nodetree.c57
-rw-r--r--source/blender/nodes/composite/nodes/node_composite_chromaMatte.c100
-rw-r--r--source/blender/nodes/composite/nodes/node_composite_diffMatte.c109
-rw-r--r--source/blender/nodes/composite/nodes/node_composite_distanceMatte.c173
5 files changed, 279 insertions, 167 deletions
diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index c1af8d3016a..bd17c821567 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -1635,9 +1635,14 @@ static void node_composit_buts_diff_matte(uiLayout *layout, bContext *UNUSED(C),
static void node_composit_buts_distance_matte(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
- uiLayout *col;
+ uiLayout *col, *row;
col = uiLayoutColumn(layout, 1);
+
+ uiItemL(layout, "Color Space:", ICON_NONE);
+ row= uiLayoutRow(layout, 0);
+ uiItemR(row, ptr, "channel", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
+
uiItemR(col, ptr, "tolerance", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
uiItemR(col, ptr, "falloff", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
}
diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index a101bcaec12..58fd936819b 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -328,6 +328,39 @@ static void rna_Matte_t2_set(PointerRNA *ptr, float value)
chroma->t2 = value;
}
+static void rna_distance_matte_t1_set(PointerRNA *ptr, float value)
+{
+ bNode *node = (bNode*)ptr->data;
+ NodeChroma *chroma = node->storage;
+
+ chroma->t1 = value;
+}
+
+static void rna_distance_matte_t2_set(PointerRNA *ptr, float value)
+{
+ bNode *node = (bNode*)ptr->data;
+ NodeChroma *chroma = node->storage;
+
+ chroma->t2 = value;
+}
+
+static void rna_difference_matte_t1_set(PointerRNA *ptr, float value)
+{
+ bNode *node = (bNode*)ptr->data;
+ NodeChroma *chroma = node->storage;
+
+ chroma->t1 = value;
+}
+
+static void rna_difference_matte_t2_set(PointerRNA *ptr, float value)
+{
+ bNode *node = (bNode*)ptr->data;
+ NodeChroma *chroma = node->storage;
+
+ chroma->t2 = value;
+}
+
+
static void rna_Node_scene_set(PointerRNA *ptr, PointerRNA value)
{
bNode *node = (bNode*)ptr->data;
@@ -1891,14 +1924,14 @@ static void def_cmp_diff_matte(StructRNA *srna)
prop = RNA_def_property(srna, "tolerance", PROP_FLOAT, PROP_NONE);
RNA_def_property_float_sdna(prop, NULL, "t1");
- RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t1_set", NULL);
+ RNA_def_property_float_funcs(prop, NULL, "rna_difference_matte_t1_set", NULL);
RNA_def_property_range(prop, 0.0f, 1.0f);
RNA_def_property_ui_text(prop, "Tolerance", "Color distances below this threshold are keyed");
RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
prop = RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_NONE);
RNA_def_property_float_sdna(prop, NULL, "t2");
- RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t2_set", NULL);
+ RNA_def_property_float_funcs(prop, NULL, "rna_difference_matte_t2_set", NULL);
RNA_def_property_range(prop, 0.0f, 1.0f);
RNA_def_property_ui_text(prop, "Falloff", "Color distances below this additional threshold are partially keyed");
RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
@@ -1933,18 +1966,30 @@ static void def_cmp_distance_matte(StructRNA *srna)
{
PropertyRNA *prop;
- RNA_def_struct_sdna_from(srna, "NodeChroma", "storage");
+ static EnumPropertyItem color_space_items[] = {
+ {1, "RGB", 0, "RGB", "RGB color space"},
+ {2, "YCC", 0, "YCC", "YCbCr Suppression"},
+ {0, NULL, 0, NULL, NULL}};
+
+ RNA_def_struct_sdna_from(srna, "NodeChroma", "storage");
+
+ prop = RNA_def_property(srna, "channel", PROP_ENUM, PROP_NONE);
+ RNA_def_property_enum_sdna(prop, NULL, "channel");
+ RNA_def_property_enum_items(prop, color_space_items);
+ RNA_def_property_ui_text(prop, "Channel", "");
+ RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
+
prop = RNA_def_property(srna, "tolerance", PROP_FLOAT, PROP_NONE);
RNA_def_property_float_sdna(prop, NULL, "t1");
- RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t1_set", NULL);
+ RNA_def_property_float_funcs(prop, NULL, "rna_distance_matte_t1_set", NULL);
RNA_def_property_range(prop, 0.0f, 1.0f);
RNA_def_property_ui_text(prop, "Tolerance", "Color distances below this threshold are keyed");
RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
prop = RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_NONE);
RNA_def_property_float_sdna(prop, NULL, "t2");
- RNA_def_property_float_funcs(prop, NULL, "rna_Matte_t2_set", NULL);
+ RNA_def_property_float_funcs(prop, NULL, "rna_distance_matte_t2_set", NULL);
RNA_def_property_range(prop, 0.0f, 1.0f);
RNA_def_property_ui_text(prop, "Falloff", "Color distances below this additional threshold are partially keyed");
RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
@@ -2071,7 +2116,7 @@ static void def_cmp_chroma_matte(StructRNA *srna)
prop = RNA_def_property(srna, "gain", PROP_FLOAT, PROP_NONE);
RNA_def_property_float_sdna(prop, NULL, "fstrength");
RNA_def_property_range(prop, 0.0f, 1.0f);
- RNA_def_property_ui_text(prop, "Gain", "Alpha gain");
+ RNA_def_property_ui_text(prop, "Falloff", "Alpha falloff");
RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
prop = RNA_def_property(srna, "shadow_adjust", PROP_FLOAT, PROP_NONE);
diff --git a/source/blender/nodes/composite/nodes/node_composite_chromaMatte.c b/source/blender/nodes/composite/nodes/node_composite_chromaMatte.c
index 8684f67a54e..f366642149a 100644
--- a/source/blender/nodes/composite/nodes/node_composite_chromaMatte.c
+++ b/source/blender/nodes/composite/nodes/node_composite_chromaMatte.c
@@ -1,33 +1,33 @@
/*
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2006 Blender Foundation.
- * All rights reserved.
- *
- * The Original Code is: all of this file.
- *
- * Contributor(s): none yet.
- *
- * ***** END GPL LICENSE BLOCK *****
- */
+* ***** BEGIN GPL LICENSE BLOCK *****
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+* The Original Code is Copyright (C) 2006 Blender Foundation.
+* All rights reserved.
+*
+* The Original Code is: all of this file.
+*
+* Contributor(s): none yet.
+*
+* ***** END GPL LICENSE BLOCK *****
+*/
/** \file blender/nodes/composite/nodes/node_composite_chromaMatte.c
- * \ingroup cmpnodes
- */
+* \ingroup cmpnodes
+*/
#include "node_composite_util.h"
@@ -59,9 +59,9 @@ static void do_rgba_to_ycca_normalized(bNode *UNUSED(node), float *out, float *i
out[1]=(out[1]*2.0f)-1.0f;
out[2]=(out[2]*2.0f)-1.0f;
-// out[0]=((out[0])-16)/255.0;
-// out[1]=((out[1])-128)/255.0;
-// out[2]=((out[2])-128)/255.0;
+ // out[0]=((out[0])-16)/255.0;
+ // out[1]=((out[1])-128)/255.0;
+ // out[2]=((out[2])-128)/255.0;
out[3]=in[3];
}
@@ -77,8 +77,8 @@ static void do_ycca_to_rgba_normalized(bNode *UNUSED(node), float *out, float *i
in[2]=(in[2]*255.0f);
// in[0]=(in[0]*255.0)+16;
-// in[1]=(in[1]*255.0)+128;
-// in[2]=(in[2]*255.0)+128;
+ // in[1]=(in[1]*255.0)+128;
+ // in[2]=(in[2]*255.0)+128;
ycc_to_rgb(in[0], in[1], in[2], &out[0], &out[1], &out[2], BLI_YCC_ITU_BT601);
out[3]=in[3];
}
@@ -94,7 +94,7 @@ static void do_chroma_key(bNode *node, float *out, float *in)
/* Algorithm from book "Video Demistified," does not include the spill reduction part */
- /* find theta, the angle that the color space should be rotated based on key*/
+ /* find theta, the angle that the color space should be rotated based on key chroma values*/
theta=atan2(c->key[2], c->key[1]);
/*rotate the cb and cr into x/z space */
@@ -107,13 +107,9 @@ static void do_chroma_key(bNode *node, float *out, float *in)
/* if kfg is <0 then the pixel is outside of the key color */
kfg= x-(fabsf(z)/tanf(angle/2.0f));
- out[0]=in[0];
- out[1]=in[1];
- out[2]=in[2];
+ copy_v3_v3(out, in);
if (kfg>0.0f) { /* found a pixel that is within key color */
- alpha=(1.0f-kfg)*(c->fstrength);
-
beta=atan2(z, x);
angle2=c->t2; /* t2 is radians. */
@@ -121,6 +117,9 @@ static void do_chroma_key(bNode *node, float *out, float *in)
if (fabsf(beta) < (angle2/2.0f)) {
alpha=0.0;
}
+ else {
+ alpha=1.0f-(kfg/c->fstrength);
+ }
/* don't make something that was more transparent less transparent */
if (alpha<in[3]) {
@@ -130,11 +129,8 @@ static void do_chroma_key(bNode *node, float *out, float *in)
out[3]=in[3];
}
}
- else { /*pixel is outside key color */
- out[0]=in[0];
- out[1]=in[1];
- out[2]=in[2];
- out[3]=in[3]; /* make pixel just as transparent as it was before */
+ else { /* make pixel just as transparent as it was before */
+ out[3]=in[3];
}
}
@@ -143,32 +139,32 @@ static void node_composit_exec_chroma_matte(void *data, bNode *node, bNodeStack
CompBuf *cbuf;
CompBuf *chromabuf;
NodeChroma *c;
-
+
if (in[0]->hasinput==0) return;
if (in[0]->data==NULL) return;
if (out[0]->hasoutput==0 && out[1]->hasoutput==0) return;
-
+
cbuf= typecheck_compbuf(in[0]->data, CB_RGBA);
-
+
chromabuf= dupalloc_compbuf(cbuf);
-
+
c=node->storage;
-
+
/*convert rgbbuf to normalized chroma space*/
composit1_pixel_processor(node, chromabuf, cbuf, in[0]->vec, do_rgba_to_ycca_normalized, CB_RGBA);
/*convert key to normalized chroma color space */
do_rgba_to_ycca_normalized(node, c->key, in[1]->vec);
-
+
/*per pixel chroma key*/
composit1_pixel_processor(node, chromabuf, chromabuf, in[0]->vec, do_chroma_key, CB_RGBA);
-
+
/*convert back*/
composit1_pixel_processor(node, chromabuf, chromabuf, in[0]->vec, do_ycca_to_rgba_normalized, CB_RGBA);
-
+
out[0]->data= chromabuf;
if (out[1]->hasoutput)
out[1]->data= valbuf_from_rgbabuf(chromabuf, CHAN_A);
-
+
generate_preview(data, node, chromabuf);
if (cbuf!=in[0]->data)
diff --git a/source/blender/nodes/composite/nodes/node_composite_diffMatte.c b/source/blender/nodes/composite/nodes/node_composite_diffMatte.c
index a827f094477..5dea0e1c067 100644
--- a/source/blender/nodes/composite/nodes/node_composite_diffMatte.c
+++ b/source/blender/nodes/composite/nodes/node_composite_diffMatte.c
@@ -1,87 +1,90 @@
/*
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2006 Blender Foundation.
- * All rights reserved.
- *
- * The Original Code is: all of this file.
- *
- * Contributor(s): Bob Holcomb
- *
- * ***** END GPL LICENSE BLOCK *****
- */
+* ***** BEGIN GPL LICENSE BLOCK *****
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+* The Original Code is Copyright (C) 2006 Blender Foundation.
+* All rights reserved.
+*
+* The Original Code is: all of this file.
+*
+* Contributor(s): Bob Holcomb
+*
+* ***** END GPL LICENSE BLOCK *****
+*/
/** \file blender/nodes/composite/nodes/node_composite_diffMatte.c
- * \ingroup cmpnodes
- */
+* \ingroup cmpnodes
+*/
#include "node_composite_util.h"
/* ******************* channel Difference Matte ********************************* */
static bNodeSocketTemplate cmp_node_diff_matte_in[]={
- {SOCK_RGBA, 1, "Image 1", 1.0f, 1.0f, 1.0f, 1.0f},
- {SOCK_RGBA, 1, "Image 2", 1.0f, 1.0f, 1.0f, 1.0f},
- {-1, 0, ""}
+ {SOCK_RGBA,1,"Image 1", 1.0f, 1.0f, 1.0f, 1.0f},
+ {SOCK_RGBA,1,"Image 2", 1.0f, 1.0f, 1.0f, 1.0f},
+ {-1,0,""}
};
static bNodeSocketTemplate cmp_node_diff_matte_out[]={
- {SOCK_RGBA, 0, "Image"},
- {SOCK_FLOAT, 0, "Matte"},
- {-1, 0, ""}
+ {SOCK_RGBA,0,"Image"},
+ {SOCK_FLOAT,0,"Matte"},
+ {-1,0,""}
};
static void do_diff_matte(bNode *node, float *outColor, float *inColor1, float *inColor2)
{
NodeChroma *c= (NodeChroma *)node->storage;
float tolerence=c->t1;
- float falloff=c->t2;
+ float fper=c->t2;
+ /* get falloff amount over tolerence size */
+ float falloff=(1.0f-fper) * tolerence;
float difference;
float alpha;
+ float maxInputAlpha;
+ /* average together the distances */
difference= fabs(inColor2[0]-inColor1[0]) +
- fabs(inColor2[1]-inColor1[1]) +
- fabs(inColor2[2]-inColor1[2]);
-
- /*average together the distances*/
+ fabs(inColor2[1]-inColor1[1]) +
+ fabs(inColor2[2]-inColor1[2]);
difference=difference/3.0f;
copy_v3_v3(outColor, inColor1);
- /*make 100% transparent*/
- if (difference < tolerence) {
- outColor[3]=0.0;
- }
- /*in the falloff region, make partially transparent */
- else if (difference < falloff+tolerence) {
- difference=difference-tolerence;
- alpha=difference/falloff;
- /*only change if more transparent than before */
- if (alpha < inColor1[3]) {
+ if (difference <= tolerence) {
+ if(difference<=falloff) {
+ alpha=0.0f;
+ }
+ else{
+ /* alpha as percent (distance / tolerance), each modified by falloff amount (in pixels)*/
+ alpha=(difference-falloff)/(tolerence-falloff);
+ }
+
+ /*only change if more transparent than either image */
+ maxInputAlpha=maxf(inColor1[3], inColor2[3]);
+ if (alpha < maxInputAlpha) {
+ /*clamp*/
+ if(alpha<0.0f) alpha=0.0f;
+ if(alpha>1.0f) alpha=1.0f;
outColor[3]=alpha;
}
else { /* leave as before */
- outColor[3]=inColor1[3];
+ outColor[3]=maxInputAlpha;
}
}
- else {
- /*foreground object*/
- outColor[3]= inColor1[3];
- }
}
static void node_composit_exec_diff_matte(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
diff --git a/source/blender/nodes/composite/nodes/node_composite_distanceMatte.c b/source/blender/nodes/composite/nodes/node_composite_distanceMatte.c
index 8ea8b64a26e..74e058292d3 100644
--- a/source/blender/nodes/composite/nodes/node_composite_distanceMatte.c
+++ b/source/blender/nodes/composite/nodes/node_composite_distanceMatte.c
@@ -1,48 +1,48 @@
/*
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2006 Blender Foundation.
- * All rights reserved.
- *
- * The Original Code is: all of this file.
- *
- * Contributor(s): Bob Holcomb
- *
- * ***** END GPL LICENSE BLOCK *****
- */
+* ***** BEGIN GPL LICENSE BLOCK *****
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+* The Original Code is Copyright (C) 2006 Blender Foundation.
+* All rights reserved.
+*
+* The Original Code is: all of this file.
+*
+* Contributor(s): Bob Holcomb
+*
+* ***** END GPL LICENSE BLOCK *****
+*/
/** \file blender/nodes/composite/nodes/node_composite_distanceMatte.c
- * \ingroup cmpnodes
- */
+* \ingroup cmpnodes
+*/
#include "node_composite_util.h"
/* ******************* channel Distance Matte ********************************* */
static bNodeSocketTemplate cmp_node_distance_matte_in[]={
- {SOCK_RGBA, 1, "Image", 1.0f, 1.0f, 1.0f, 1.0f},
- {SOCK_RGBA, 1, "Key Color", 1.0f, 1.0f, 1.0f, 1.0f},
- {-1, 0, ""}
+ {SOCK_RGBA,1,"Image", 1.0f, 1.0f, 1.0f, 1.0f},
+ {SOCK_RGBA,1,"Key Color", 1.0f, 1.0f, 1.0f, 1.0f},
+ {-1,0,""}
};
static bNodeSocketTemplate cmp_node_distance_matte_out[]={
- {SOCK_RGBA, 0, "Image"},
- {SOCK_FLOAT, 0, "Matte"},
- {-1, 0, ""}
+ {SOCK_RGBA,0,"Image"},
+ {SOCK_FLOAT,0,"Matte"},
+ {-1,0,""}
};
/* note, keyvals is passed on from caller as stack array */
@@ -51,34 +51,88 @@ static void do_distance_matte(bNode *node, float *out, float *in)
{
NodeChroma *c= (NodeChroma *)node->storage;
float tolerence=c->t1;
- float falloff=c->t2;
+ float fper=c->t2;
+ /* get falloff amount over tolerence size */
+ float falloff=(1.0f-fper) * tolerence;
float distance;
float alpha;
distance=sqrt((c->key[0]-in[0])*(c->key[0]-in[0]) +
- (c->key[1]-in[1])*(c->key[1]-in[1]) +
- (c->key[2]-in[2])*(c->key[2]-in[2]));
+ (c->key[1]-in[1])*(c->key[1]-in[1]) +
+ (c->key[2]-in[2])*(c->key[2]-in[2]));
copy_v3_v3(out, in);
- /*make 100% transparent */
- if (distance < tolerence) {
- out[3]=0.0;
- }
- /*in the falloff region, make partially transparent */
- else if (distance < falloff+tolerence) {
- distance=distance-tolerence;
- alpha=distance/falloff;
+ if (distance <= tolerence) {
+ if(distance<=falloff) {
+ alpha=0.0f;
+ }
+ else{
+ /* alpha as percent (distance / tolerance), each modified by falloff amount (in pixels)*/
+ alpha=(distance-falloff)/(tolerence-falloff);
+ }
+
/*only change if more transparent than before */
if (alpha < in[3]) {
+ /*clamp*/
+ if(alpha<0.0f) alpha=0.0f;
+ if(alpha>1.0f) alpha=1.0f;
out[3]=alpha;
}
else { /* leave as before */
out[3]=in[3];
}
}
- else {
- out[3]=in[3];
+}
+
+static void do_chroma_distance_matte(bNode *node, float *out, float *in)
+{
+ NodeChroma *c= (NodeChroma *)node->storage;
+ float tolerence=c->t1;
+ float fper=c->t2;
+ /* get falloff amount over tolerence size */
+ float falloff=(1.0f-fper) * tolerence;
+ float y_key, cb_key, cr_key;
+ float y_pix, cb_pix, cr_pix;
+ float distance;
+ float alpha;
+
+ /*convert key to chroma colorspace */
+ rgb_to_ycc(c->key[0], c->key[1], c->key[2], &y_key, &cb_key, &cr_key, BLI_YCC_JFIF_0_255);
+ /* normalize the values */
+ cb_key=cb_key/255.0f;
+ cr_key=cr_key/255.0f;
+
+ /*convert pixel to chroma colorspace */
+ rgb_to_ycc(in[0], in[1], in[2], &y_pix, &cb_pix, &cr_pix, BLI_YCC_JFIF_0_255);
+ /*normalize the values */
+ cb_pix=cb_pix/255.0f;
+ cr_pix=cr_pix/255.0f;
+
+ distance=sqrt((cb_key-cb_pix)*(cb_key-cb_pix) +
+ (cr_key-cr_pix)*(cr_key-cr_pix));
+
+ copy_v3_v3(out, in);
+
+ if (distance <= tolerence) {
+ if(distance<=falloff) {
+ alpha=0.0f;
+ }
+ else{
+ /* alpha as percent (distance / tolerance), each modified by falloff amount (in pixels)*/
+ alpha=(distance-falloff)/(tolerence-falloff);
+ }
+
+ /*only change if more transparent than before */
+ if (alpha < in[3]) {
+ /*clamp*/
+ if(alpha<0.0f) alpha=0.0f;
+ if(alpha>1.0f) alpha=1.0f;
+ out[3]=alpha;
+ }
+ else { /* leave as before */
+ out[3]=in[3];
+ }
}
}
@@ -91,26 +145,34 @@ static void node_composit_exec_distance_matte(void *data, bNode *node, bNodeStac
CompBuf *workbuf;
CompBuf *inbuf;
NodeChroma *c;
-
+
/*is anything connected?*/
if (out[0]->hasoutput==0 && out[1]->hasoutput==0) return;
/*must have an image imput*/
if (in[0]->data==NULL) return;
-
+
inbuf=typecheck_compbuf(in[0]->data, CB_RGBA);
-
+
c=node->storage;
workbuf=dupalloc_compbuf(inbuf);
-
+
/*use the input color*/
c->key[0]= in[1]->vec[0];
c->key[1]= in[1]->vec[1];
c->key[2]= in[1]->vec[2];
-
- /* note, processor gets a keyvals array passed on as buffer constant */
- composit1_pixel_processor(node, workbuf, workbuf, in[0]->vec, do_distance_matte, CB_RGBA);
-
-
+
+ /* work in RGB color space */
+ if(c->channel==1) {
+ /* note, processor gets a keyvals array passed on as buffer constant */
+ composit1_pixel_processor(node, workbuf, workbuf, in[0]->vec, do_distance_matte, CB_RGBA);
+ }
+ /* work in YCbCr color space */
+ else {
+ composit1_pixel_processor(node, workbuf, workbuf, in[0]->vec, do_chroma_distance_matte, CB_RGBA);
+ }
+
+
+
out[0]->data=workbuf;
if (out[1]->hasoutput)
out[1]->data=valbuf_from_rgbabuf(workbuf, CHAN_A);
@@ -124,6 +186,7 @@ static void node_composit_init_distance_matte(bNodeTree *UNUSED(ntree), bNode* n
{
NodeChroma *c= MEM_callocN(sizeof(NodeChroma), "node chroma");
node->storage= c;
+ c->channel=1;
c->t1= 0.1f;
c->t2= 0.1f;
}