diff options
Diffstat (limited to 'source/blender/nodes/intern/CMP_nodes/CMP_chromaMatte.c')
| -rw-r--r-- | source/blender/nodes/intern/CMP_nodes/CMP_chromaMatte.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_chromaMatte.c b/source/blender/nodes/intern/CMP_nodes/CMP_chromaMatte.c index fc0e9b3ee4b..94b086f1ba0 100644 --- a/source/blender/nodes/intern/CMP_nodes/CMP_chromaMatte.c +++ b/source/blender/nodes/intern/CMP_nodes/CMP_chromaMatte.c @@ -88,41 +88,41 @@ static void do_ycca_to_rgba_normalized(bNode *UNUSED(node), float *out, float *i static void do_chroma_key(bNode *node, float *out, float *in) { NodeChroma *c; - float x, z, alpha; - float theta, beta, angle, angle2; - float kfg; + float x, z, alpha; + float theta, beta, angle, angle2; + float kfg; c=node->storage; - /* Algorithm from book "Video Demistified," does not include the spill reduction part */ + /* 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*/ - theta=atan2(c->key[2], c->key[1]); + theta=atan2(c->key[2], c->key[1]); /*rotate the cb and cr into x/z space */ - x=in[1]*cos(theta)+in[2]*sin(theta); - z=in[2]*cos(theta)-in[1]*sin(theta); + x=in[1]*cos(theta)+in[2]*sin(theta); + z=in[2]*cos(theta)-in[1]*sin(theta); - /*if within the acceptance angle */ - angle=c->t1*M_PI/180.0; /* convert to radians */ - - /* if kfg is <0 then the pixel is outside of the key color */ - kfg=x-(fabs(z)/tan(angle/2.0)); + /*if within the acceptance angle */ + angle=c->t1*M_PI/180.0; /* convert to radians */ + + /* if kfg is <0 then the pixel is outside of the key color */ + kfg=x-(fabs(z)/tan(angle/2.0)); - out[0]=in[0]; - out[1]=in[1]; - out[2]=in[2]; + out[0]=in[0]; + out[1]=in[1]; + out[2]=in[2]; - if(kfg>0.0) { /* found a pixel that is within key color */ - alpha=(1.0-kfg)*(c->fstrength); + if(kfg>0.0) { /* found a pixel that is within key color */ + alpha=(1.0-kfg)*(c->fstrength); - beta=atan2(z,x); - angle2=c->t2*M_PI/180.0; + beta=atan2(z,x); + angle2=c->t2*M_PI/180.0; - /* if beta is within the cutoff angle */ - if(fabs(beta)<(angle2/2.0)) { - alpha=0.0; - } + /* if beta is within the cutoff angle */ + if(fabs(beta)<(angle2/2.0)) { + alpha=0.0; + } /* don't make something that was more transparent less transparent */ if (alpha<in[3]) { |