Revision: 26129
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=26129
Author: broken
Date: 2010-01-20 05:29:00 +0100 (Wed, 20 Jan 2010)
Log Message:
-----------
Forgot to add the new file
Added Paths:
-----------
trunk/blender/source/blender/nodes/intern/CMP_nodes/CMP_colorbalance.c
Added: trunk/blender/source/blender/nodes/intern/CMP_nodes/CMP_colorbalance.c
===================================================================
--- trunk/blender/source/blender/nodes/intern/CMP_nodes/CMP_colorbalance.c
(rev 0)
+++ trunk/blender/source/blender/nodes/intern/CMP_nodes/CMP_colorbalance.c
2010-01-20 04:29:00 UTC (rev 26129)
@@ -0,0 +1,134 @@
+/**
+ *
+ *
+ * ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2006 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Matt Ebb.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+
+#include "../CMP_util.h"
+
+
+/* ******************* Color Balance ********************************* */
+static bNodeSocketType cmp_node_colorbalance_in[]={
+ {SOCK_VALUE, 1, "Fac", 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
+ {SOCK_RGBA,1,"Image", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
+ {-1,0,""}
+};
+
+static bNodeSocketType cmp_node_colorbalance_out[]={
+ {SOCK_RGBA,0,"Image", 0.0f, 0.0f, 1.0f, 1.0f, -1.0f, 1.0f},
+ {-1,0,""}
+};
+
+DO_INLINE float colorbalance(float in, float slope, float offset, float power)
+{
+ float x = in * slope + offset;
+
+ /* prevent NaN */
+ if (x < 0.f) x = 0.f;
+
+ return powf(x, power);
+}
+
+static void do_colorbalance(bNode *node, float* out, float *in)
+{
+ NodeColorBalance *n= (NodeColorBalance *)node->storage;
+
+ out[0] = colorbalance(in[0], n->slope[0], n->offset[0], n->power[0]);
+ out[1] = colorbalance(in[1], n->slope[1], n->offset[1], n->power[1]);
+ out[2] = colorbalance(in[2], n->slope[2], n->offset[2], n->power[2]);
+ out[3] = in[3];
+}
+
+static void do_colorbalance_fac(bNode *node, float* out, float *in, float *fac)
+{
+ NodeColorBalance *n= (NodeColorBalance *)node->storage;
+ const float mfac= 1.0f - *fac;
+
+ out[0] = mfac*in[0] + *fac * colorbalance(in[0], n->slope[0],
n->offset[0], n->power[0]);
+ out[1] = mfac*in[1] + *fac * colorbalance(in[1], n->slope[1],
n->offset[1], n->power[1]);
+ out[2] = mfac*in[2] + *fac * colorbalance(in[2], n->slope[2],
n->offset[2], n->power[2]);
+ out[3] = in[3];
+}
+
+static void node_composit_exec_colorbalance(void *data, bNode *node,
bNodeStack **in, bNodeStack **out)
+{
+ CompBuf *cbuf= in[1]->data;
+ CompBuf *stackbuf;
+
+ /* stack order input: fac, image */
+ /* stack order output: image */
+ if(out[0]->hasoutput==0) return;
+
+ if(in[0]->vec[0] == 0.f && in[0]->data == NULL) {
+ out[0]->data = pass_on_compbuf(cbuf);
+ return;
+ }
+
+ if (cbuf) {
+ stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /*
create output based on image input */
+
+ if ((in[0]->data==NULL) && (in[0]->vec[0] == 1.f)) {
+ composit1_pixel_processor(node, stackbuf, in[1]->data,
in[1]->vec, do_colorbalance, CB_RGBA);
+ }
+ else {
+ composit2_pixel_processor(node, stackbuf, in[1]->data,
in[1]->vec, in[0]->data, in[0]->vec, do_colorbalance_fac, CB_RGBA, CB_VAL);
+ }
+
+ out[0]->data=stackbuf;
+ }
+}
+
+static void node_composit_init_colorbalance(bNode *node)
+{
+ NodeColorBalance *n= node->storage=
MEM_callocN(sizeof(NodeColorBalance), "node colorbalance");
+ n->slope[0] = n->slope[1] = n->slope[2] = 1.f;
+ n->offset[0] = n->offset[1] = n->offset[2] = 0.f;
+ n->power[0] = n->power[1] = n->power[2] = 1.f;
+
+ /* for ui, converted to slope/offset/power in RNA */
+ n->lift[0] = n->lift[1] = n->lift[2] = 0.5f;
+ n->gamma[0] = n->gamma[1] = n->gamma[2] = 0.5f;
+ n->gain[0] = n->gain[1] = n->gain[2] = 0.5f;
+}
+
+bNodeType cmp_node_colorbalance={
+ /* *next,*prev */ NULL, NULL,
+ /* type code */ CMP_NODE_COLORBALANCE,
+ /* name */ "Color Balance",
+ /* width+range */ 400, 200, 400,
+ /* class+opts */ NODE_CLASS_OP_COLOR, NODE_OPTIONS,
+ /* input sock */ cmp_node_colorbalance_in,
+ /* output sock */ cmp_node_colorbalance_out,
+ /* storage */ "NodeColorBalance",
+ /* execfunc */ node_composit_exec_colorbalance,
+ /* butfunc */ NULL,
+ /* initfunc */ node_composit_init_colorbalance,
+ /* freestoragefunc */ node_free_standard_storage,
+ /* copystoragefunc */ node_copy_standard_storage,
+ /* id */ NULL
+};
+
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