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/*
* ***** 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_splitViewer.c
* \ingroup cmpnodes
*/
#include "node_composite_util.h"
/* **************** SPLIT VIEWER ******************** */
static bNodeSocketTemplate cmp_node_splitviewer_in[] = {
{ SOCK_RGBA, 1, N_("Image"), 0.0f, 0.0f, 0.0f, 1.0f},
{ SOCK_RGBA, 1, N_("Image"), 0.0f, 0.0f, 0.0f, 1.0f},
{ -1, 0, "" }
};
#ifdef WITH_COMPOSITOR_LEGACY
static void do_copy_split_rgba(bNode *UNUSED(node), float *out, float *in1, float *in2, float *fac)
{
if (*fac==0.0f) {
copy_v4_v4(out, in1);
}
else {
copy_v4_v4(out, in2);
}
}
static void node_composit_exec_splitviewer(void *data, bNode *node, bNodeStack **in, bNodeStack **UNUSED(out))
{
/* image assigned to output */
/* stack order input sockets: image image */
if (in[0]->data==NULL || in[1]->data==NULL)
return;
if (node->id && (node->flag & NODE_DO_OUTPUT)) { /* only one works on out */
Image *ima= (Image *)node->id;
RenderData *rd= data;
ImBuf *ibuf;
CompBuf *cbuf, *buf1, *buf2, *mask;
int x, y;
float offset;
void *lock;
buf1= typecheck_compbuf(in[0]->data, CB_RGBA);
buf2= typecheck_compbuf(in[1]->data, CB_RGBA);
BKE_image_user_frame_calc(node->storage, rd->cfra, 0);
/* always returns for viewer image, but we check nevertheless */
ibuf= BKE_image_acquire_ibuf(ima, node->storage, &lock);
if (ibuf==NULL) {
printf("node_composit_exec_viewer error\n");
BKE_image_release_ibuf(ima, ibuf, lock);
return;
}
/* free all in ibuf */
imb_freerectImBuf(ibuf);
imb_freerectfloatImBuf(ibuf);
IMB_freezbuffloatImBuf(ibuf);
/* make ibuf, and connect to ima */
ibuf->x= buf1->x;
ibuf->y= buf1->y;
imb_addrectfloatImBuf(ibuf);
ima->ok= IMA_OK_LOADED;
/* output buf */
cbuf= alloc_compbuf(buf1->x, buf1->y, CB_RGBA, 0); /* no alloc*/
cbuf->rect= ibuf->rect_float;
/* mask buf */
mask= alloc_compbuf(buf1->x, buf1->y, CB_VAL, 1);
/* Check which offset mode is selected and limit offset if needed */
if (node->custom2 == 0) {
offset = buf1->x / 100.0f * node->custom1;
CLAMP(offset, 0, buf1->x);
}
else {
offset = buf1->y / 100.0f * node->custom1;
CLAMP(offset, 0, buf1->y);
}
if (node->custom2 == 0) {
for (y=0; y<buf1->y; y++) {
float *fac= mask->rect + y*buf1->x;
for (x=offset; x>0; x--, fac++)
*fac= 1.0f;
}
}
else {
for (y=0; y<offset; y++) {
float *fac= mask->rect + y*buf1->x;
for (x=buf1->x; x>0; x--, fac++)
*fac= 1.0f;
}
}
composit3_pixel_processor(node, cbuf, buf1, in[0]->vec, buf2, in[1]->vec, mask, NULL, do_copy_split_rgba, CB_RGBA, CB_RGBA, CB_VAL);
BKE_image_release_ibuf(ima, ibuf, lock);
generate_preview(data, node, cbuf);
free_compbuf(cbuf);
free_compbuf(mask);
if (in[0]->data != buf1)
free_compbuf(buf1);
if (in[1]->data != buf2)
free_compbuf(buf2);
}
}
#endif /* WITH_COMPOSITOR_LEGACY */
static void node_composit_init_splitviewer(bNodeTree *UNUSED(ntree), bNode *node, bNodeTemplate *UNUSED(ntemp))
{
ImageUser *iuser= MEM_callocN(sizeof(ImageUser), "node image user");
node->storage= iuser;
iuser->sfra= 1;
iuser->fie_ima= 2;
iuser->ok= 1;
node->custom1= 50; /* default 50% split */
}
void register_node_type_cmp_splitviewer(bNodeTreeType *ttype)
{
static bNodeType ntype;
node_type_base(ttype, &ntype, CMP_NODE_SPLITVIEWER, "SplitViewer", NODE_CLASS_OUTPUT, NODE_PREVIEW|NODE_OPTIONS);
node_type_socket_templates(&ntype, cmp_node_splitviewer_in, NULL);
node_type_size(&ntype, 140, 100, 320);
node_type_init(&ntype, node_composit_init_splitviewer);
node_type_storage(&ntype, "ImageUser", node_free_standard_storage, node_copy_standard_storage);
#ifdef WITH_COMPOSITOR_LEGACY
node_type_exec(&ntype, node_composit_exec_splitviewer);
#endif
/* Do not allow muting for this node. */
node_type_internal_links(&ntype, NULL);
nodeRegisterType(ttype, &ntype);
}
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