forked from bartvdbraak/blender
286 lines
6.3 KiB
C
286 lines
6.3 KiB
C
/**
|
|
* $Id$
|
|
*
|
|
* ***** 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) 2001-2002 by NaN Holding BV.
|
|
* All rights reserved.
|
|
*
|
|
* The Original Code is: all of this file.
|
|
*
|
|
* Contributor(s): none yet.
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "plugin.h"
|
|
|
|
/* ******************** GLOBAL VARIABLES ***************** */
|
|
|
|
|
|
char name[24]= "Blur";
|
|
|
|
/* structure for buttons,
|
|
* butcode name default min max 0
|
|
*/
|
|
|
|
VarStruct varstr[]= {
|
|
LABEL, "Input: 1 strip", 0.0, 0.0, 0.0, "",
|
|
NUMSLI|FLO, "Blur", 0.5, 0.0, 10.0, "Maximum filtersize",
|
|
NUMSLI|FLO, "Gamma", 1.0, 0.4, 2.0, "Gamma correction",
|
|
TOG|INT, "Animated", 0.0, 0.0, 1.0, "For (Ipo) animated blur",
|
|
NUM|INT, "debug", 0.0, 0.0, 2.0,
|
|
"0:off 1: show primary blur buffer 2: show 2nd blur buffer",
|
|
|
|
};
|
|
|
|
/* The cast struct is for input in the main doit function
|
|
Varstr and Cast must have the same variables in the same order */
|
|
|
|
typedef struct Cast {
|
|
int dummy; /* because of the 'label' button */
|
|
float blur;
|
|
float gamma;
|
|
float use_ipo;
|
|
int show;
|
|
} Cast;
|
|
|
|
|
|
/* cfra: the current frame */
|
|
|
|
float cfra;
|
|
|
|
void plugin_seq_doit(Cast *, float, float, int, int, ImBuf *, ImBuf *, ImBuf *, ImBuf *);
|
|
|
|
/* ******************** Fixed functions ***************** */
|
|
|
|
int plugin_seq_getversion(void)
|
|
{
|
|
return B_PLUGIN_VERSION;
|
|
}
|
|
|
|
void plugin_but_changed(int but)
|
|
{
|
|
}
|
|
|
|
void plugin_init(void)
|
|
{
|
|
}
|
|
|
|
void plugin_getinfo(PluginInfo *info)
|
|
{
|
|
info->name= name;
|
|
info->nvars= sizeof(varstr)/sizeof(VarStruct);
|
|
info->cfra= &cfra;
|
|
|
|
info->varstr= varstr;
|
|
|
|
info->init= plugin_init;
|
|
info->seq_doit= (SeqDoit) plugin_seq_doit;
|
|
info->callback= plugin_but_changed;
|
|
}
|
|
|
|
|
|
void blurbuf(struct ImBuf *ibuf, int nr, Cast *cast)
|
|
{
|
|
/* nr = number of blurs */
|
|
/* the ibuf->rect is replaced */
|
|
struct ImBuf *tbuf, *ttbuf;
|
|
int i, x4;
|
|
|
|
tbuf= dupImBuf(ibuf);
|
|
x4= ibuf->x/4;
|
|
|
|
/* This doesn't seem to work... paprmh */
|
|
if(cast->gamma != 1.0) gamwarp(tbuf, cast->gamma);
|
|
|
|
/* reduce */
|
|
for(i=0; i<nr; i++) {
|
|
ttbuf = onehalf(tbuf);
|
|
if (ttbuf) {
|
|
freeImBuf(tbuf);
|
|
tbuf = ttbuf;
|
|
}
|
|
if(tbuf->x<4 || tbuf->y<4) break;
|
|
}
|
|
|
|
/* enlarge */
|
|
for(i=0; i<nr; i++) {
|
|
ttbuf = double_x(tbuf);
|
|
if (ttbuf) {
|
|
freeImBuf(tbuf);
|
|
tbuf = ttbuf;
|
|
}
|
|
ttbuf = double_y(tbuf);
|
|
if (ttbuf) {
|
|
freeImBuf(tbuf);
|
|
tbuf = ttbuf;
|
|
}
|
|
if(tbuf->x > x4) {
|
|
scaleImBuf(tbuf, ibuf->x, ibuf->y);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* this doesn't seem to work...paprmh*/
|
|
if(cast->gamma != 1.0) gamwarp(tbuf, 1.0 / cast->gamma);
|
|
|
|
if(ibuf->rect)memcpy(ibuf->rect, tbuf->rect, 4*ibuf->x*ibuf->y);
|
|
|
|
if(ibuf->rect_float)
|
|
memcpy(ibuf->rect_float, tbuf->rect_float, 4*ibuf->x*ibuf->y*sizeof(float));
|
|
|
|
freeImBuf(tbuf);
|
|
|
|
}
|
|
|
|
void doblur(struct ImBuf *mbuf, float fac, Cast *cast)
|
|
{
|
|
/* make two filtered images, like a mipmap structure
|
|
* fac is filtersize in pixels
|
|
*/
|
|
struct ImBuf *ibuf, *pbuf;
|
|
float ifac, pfac, infac;
|
|
int n, b1, b2;
|
|
char *irect, *prect, *mrect;
|
|
float *irectf, *prectf, *mrectf;
|
|
|
|
/* wich buffers ? */
|
|
|
|
if(fac>7.0) fac= 7.0;
|
|
if(fac<=1.0) return;
|
|
|
|
pfac= 2.0;
|
|
pbuf= dupImBuf(mbuf);
|
|
n= 1;
|
|
while(pfac < fac) {
|
|
blurbuf(pbuf, n, cast);
|
|
blurbuf(pbuf, n, cast);
|
|
|
|
n++;
|
|
pfac+= 1.0;
|
|
}
|
|
|
|
ifac= pfac;
|
|
pfac-= 1.0;
|
|
|
|
ibuf= dupImBuf(pbuf);
|
|
blurbuf(ibuf, n, cast);
|
|
blurbuf(ibuf, n, cast);
|
|
|
|
fac= (fac-pfac)/(ifac-pfac);
|
|
n= mbuf->x*mbuf->y;
|
|
|
|
if(cast->show) fac=cast->show-1;
|
|
|
|
if(mbuf->rect_float){
|
|
if(fac>=1) {
|
|
memcpy(mbuf->rect_float, ibuf->rect_float, 4*n*sizeof(float));
|
|
}
|
|
else if(fac<=0) {
|
|
memcpy(mbuf->rect_float, pbuf->rect_float, 4*n*sizeof(float));
|
|
}
|
|
else { /* interpolate */
|
|
infac= 1-fac;
|
|
|
|
irectf= (float *)ibuf->rect_float;
|
|
prectf= (float *)pbuf->rect_float;
|
|
mrectf= (float *)mbuf->rect_float;
|
|
while(n--) {
|
|
mrectf[0]= irectf[0]*fac+ prectf[0]*infac;
|
|
mrectf[1]= irectf[1]*fac+ prectf[1]*infac;
|
|
mrectf[2]= irectf[2]*fac+ prectf[2]*infac;
|
|
mrectf[3]= irectf[3]*fac+ prectf[3]*infac;
|
|
mrectf+= 4;
|
|
irectf+= 4;
|
|
prectf+= 4;
|
|
}
|
|
}
|
|
}
|
|
else if(mbuf->rect){
|
|
b1= (int)fac*255.0;
|
|
if(b1>255) b1= 255;
|
|
b2= 255-b1;
|
|
|
|
if(b1==255) {
|
|
memcpy(mbuf->rect, ibuf->rect, 4*n);
|
|
}
|
|
else if(b1==0) {
|
|
memcpy(mbuf->rect, pbuf->rect, 4*n);
|
|
}
|
|
else { /* interpolate */
|
|
irect= (char *)ibuf->rect;
|
|
prect= (char *)pbuf->rect;
|
|
mrect= (char *)mbuf->rect;
|
|
while(n--) {
|
|
mrect[0]= (irect[0]*b1+ prect[0]*b2)>>8;
|
|
mrect[1]= (irect[1]*b1+ prect[1]*b2)>>8;
|
|
mrect[2]= (irect[2]*b1+ prect[2]*b2)>>8;
|
|
mrect[3]= (irect[3]*b1+ prect[3]*b2)>>8;
|
|
mrect+= 4;
|
|
irect+= 4;
|
|
prect+= 4;
|
|
}
|
|
}
|
|
}
|
|
|
|
freeImBuf(ibuf);
|
|
freeImBuf(pbuf);
|
|
}
|
|
|
|
|
|
void plugin_seq_doit(Cast *cast, float facf0, float facf1, int x, int y, ImBuf *ibuf1, ImBuf *ibuf2, ImBuf *out, ImBuf *use)
|
|
{
|
|
float bfacf0, bfacf1;
|
|
|
|
if(cast->use_ipo==0) {
|
|
bfacf0= bfacf1= cast->blur+1.0;
|
|
}
|
|
else {
|
|
bfacf0 = (facf0 * 6.0) + 1.0;
|
|
bfacf1 = (facf1 * 6.0) + 1.0;
|
|
}
|
|
|
|
if(out->rect) memcpy(out->rect, ibuf1->rect, 4*out->x*out->y);
|
|
if(out->rect_float) memcpy(out->rect_float, ibuf1->rect_float, 4*out->x*out->y*sizeof(float));
|
|
|
|
/****************I can't get this field code to work... works ok without...paprmh****************/
|
|
|
|
|
|
/* it blurs interlaced, only tested with even fields */
|
|
|
|
/* de_interlace(out);*/
|
|
/* otherwise scaling goes wrong */
|
|
/* out->flags &= ~IB_fields;*/
|
|
|
|
doblur(out, bfacf0, cast); /*fieldA*/
|
|
|
|
/* if(out->rect)out->rect += out->x * out->y;
|
|
if(out->rect_float)out->rect_float += out->x * out->y;
|
|
|
|
doblur(out, bfacf1, cast);*/ /*fieldB*/
|
|
|
|
/* if(out->rect)out->rect -= out->x * out->y;
|
|
if(out->rect_float)out->rect_float -= out->x * out->y;
|
|
out->flags |= IB_fields;
|
|
|
|
interlace(out);*/
|
|
|
|
}
|
|
|