diff options
Diffstat (limited to 'source/blender/nodes/intern/CMP_nodes/CMP_scale.c')
| -rw-r--r-- | source/blender/nodes/intern/CMP_nodes/CMP_scale.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_scale.c b/source/blender/nodes/intern/CMP_nodes/CMP_scale.c new file mode 100644 index 00000000000..709cd5571fb --- /dev/null +++ b/source/blender/nodes/intern/CMP_nodes/CMP_scale.c @@ -0,0 +1,149 @@ +/** + * $Id$ + * + * ***** 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): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#include "../CMP_util.h" + +/* **************** Scale ******************** */ + +#define CMP_SCALE_MAX 12000 + +static bNodeSocketType cmp_node_scale_in[]= { + { SOCK_RGBA, 1, "Image", 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f}, + { SOCK_VALUE, 1, "X", 1.0f, 0.0f, 0.0f, 0.0f, 0.0001f, CMP_SCALE_MAX}, + { SOCK_VALUE, 1, "Y", 1.0f, 0.0f, 0.0f, 0.0f, 0.0001f, CMP_SCALE_MAX}, + { -1, 0, "" } +}; +static bNodeSocketType cmp_node_scale_out[]= { + { SOCK_RGBA, 0, "Image", 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f}, + { -1, 0, "" } +}; + +/* only supports RGBA nodes now */ +/* node->custom1 stores if input values are absolute or relative scale */ +static void node_composit_exec_scale(void *data, bNode *node, bNodeStack **in, bNodeStack **out) +{ + if(out[0]->hasoutput==0) + return; + + if(in[0]->data) { + CompBuf *stackbuf, *cbuf= typecheck_compbuf(in[0]->data, CB_RGBA); + ImBuf *ibuf; + int newx, newy; + + if(node->custom1==CMP_SCALE_RELATIVE) { + newx= MAX2((int)(in[1]->vec[0]*cbuf->x), 1); + newy= MAX2((int)(in[2]->vec[0]*cbuf->y), 1); + } + else { /* CMP_SCALE_ABSOLUTE */ + newx= (int)in[1]->vec[0]; + newy= (int)in[2]->vec[0]; + } + newx= MIN2(newx, CMP_SCALE_MAX); + newy= MIN2(newy, CMP_SCALE_MAX); + + ibuf= IMB_allocImBuf(cbuf->x, cbuf->y, 32, 0, 0); + if(ibuf) { + ibuf->rect_float= cbuf->rect; + IMB_scaleImBuf(ibuf, newx, newy); + + if(ibuf->rect_float == cbuf->rect) { + /* no scaling happened. */ + stackbuf= pass_on_compbuf(in[0]->data); + } + else { + stackbuf= alloc_compbuf(newx, newy, CB_RGBA, 0); + stackbuf->rect= ibuf->rect_float; + stackbuf->malloc= 1; + } + + ibuf->rect_float= NULL; + ibuf->mall &= ~IB_rectfloat; + IMB_freeImBuf(ibuf); + + /* also do the translation vector */ + stackbuf->xof = (int)(((float)newx/(float)cbuf->x) * (float)cbuf->xof); + stackbuf->yof = (int)(((float)newy/(float)cbuf->y) * (float)cbuf->yof); + } + else { + stackbuf= dupalloc_compbuf(cbuf); + printf("Scaling to %dx%d failed\n", newx, newy); + } + + out[0]->data= stackbuf; + if(cbuf!=in[0]->data) + free_compbuf(cbuf); + } +}; + +static void node_scale_cb(void *node_v, void *unused_v) +{ + bNode *node= node_v; + bNodeSocket *nsock; + + /* check the 2 inputs, and set them to reasonable values */ + for(nsock= node->inputs.first; nsock; nsock= nsock->next) { + if(node->custom1==CMP_SCALE_RELATIVE) + nsock->ns.vec[0]= 1.0; + else { + if(nsock->next==NULL) + nsock->ns.vec[0]= (float)G.scene->r.ysch; + else + nsock->ns.vec[0]= (float)G.scene->r.xsch; + } + } +} + +static int node_composit_buts_scale(uiBlock *block, bNodeTree *ntree, bNode *node, rctf *butr) +{ + if(block) { + uiBut *bt= uiDefButS(block, TOG, B_NODE_EXEC+node->nr, "Absolute", + butr->xmin, butr->ymin, butr->xmax-butr->xmin, 20, + &node->custom1, 0, 0, 0, 0, ""); + uiButSetFunc(bt, node_scale_cb, node, NULL); + } + return 20; +}; + +bNodeType cmp_node_scale= { + /* type code */ CMP_NODE_SCALE, + /* name */ "Scale", + /* width+range */ 140, 100, 320, + /* class+opts */ NODE_CLASS_DISTORT, NODE_OPTIONS, + /* input sock */ cmp_node_scale_in, + /* output sock */ cmp_node_scale_out, + /* storage */ "", + /* execfunc */ node_composit_exec_scale, + /* butfunc */ node_composit_buts_scale +}; + + + + + + |