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4e8b2babdc0bf16b930f561af95069e2d2c8a8e1
test2/source/blender/src/sequence.c
Matt Ebb 6d05bea70b Small tweak to the default Glow effect values, so there's a 
noticable difference when you add the effect (preventing
people like K-Rich wondering why it's not working :)
2004-08-18 04:32:57 +00:00

2235 lines
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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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/BL DUAL LICENSE BLOCK *****
*/
#include <string.h>
#include <math.h>
#include <stdlib.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef WIN32
#include "BLI_winstuff.h"
#endif
#include "MEM_guardedalloc.h"
#include "PIL_dynlib.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "DNA_ipo_types.h"
#include "DNA_sequence_types.h"
#include "DNA_view3d_types.h"
#include "BKE_utildefines.h"
#include "BKE_plugin_types.h"
#include "BKE_global.h"
#include "BKE_texture.h"
#include "BKE_image.h"
#include "BKE_main.h"
#include "BKE_scene.h"
#include "BKE_ipo.h"
#include "BIF_screen.h"
#include "BIF_interface.h"
#include "BIF_toolbox.h"
#include "BSE_filesel.h"
#include "BSE_headerbuttons.h"
#include "BSE_sequence.h"
#include "blendef.h"
#include "render.h"
Sequence *seq_arr[MAXSEQ+1];
int seqrectx, seqrecty;
/* support for plugin sequences: */
void open_plugin_seq(PluginSeq *pis, char *seqname)
{
int (*version)();
char *cp;
/* to be sure: (is tested for) */
pis->doit= 0;
pis->pname= 0;
pis->varstr= 0;
pis->cfra= 0;
pis->version= 0;
/* clear the error list */
PIL_dynlib_get_error_as_string(NULL);
/* if(pis->handle) PIL_dynlib_close(pis->handle); */
/* pis->handle= 0; */
/* open the needed object */
pis->handle= PIL_dynlib_open(pis->name);
if(test_dlerr(pis->name, pis->name)) return;
if (pis->handle != 0) {
/* find the address of the version function */
version= (int (*)())PIL_dynlib_find_symbol(pis->handle, "plugin_seq_getversion");
if (test_dlerr(pis->name, "plugin_seq_getversion")) return;
if (version != 0) {
pis->version= version();
if (pis->version==2 || pis->version==3) {
int (*info_func)(PluginInfo *);
PluginInfo *info= (PluginInfo*) MEM_mallocN(sizeof(PluginInfo), "plugin_info");;
info_func= (int (*)(PluginInfo *))PIL_dynlib_find_symbol(pis->handle, "plugin_getinfo");
if(info_func == NULL) error("No info func");
else {
info_func(info);
pis->pname= info->name;
pis->vars= info->nvars;
pis->cfra= info->cfra;
pis->varstr= info->varstr;
pis->doit= (void(*)(void))info->seq_doit;
if (info->init)
info->init();
}
MEM_freeN(info);
cp= PIL_dynlib_find_symbol(pis->handle, "seqname");
if(cp) strcpy(cp, seqname);
} else {
printf ("Plugin returned unrecognized version number\n");
return;
}
}
}
}
PluginSeq *add_plugin_seq(char *str, char *seqname)
{
PluginSeq *pis;
VarStruct *varstr;
int a;
pis= MEM_callocN(sizeof(PluginSeq), "PluginSeq");
strcpy(pis->name, str);
open_plugin_seq(pis, seqname);
if(pis->doit==0) {
if(pis->handle==0) error("no plugin: %s", str);
else error("in plugin: %s", str);
MEM_freeN(pis);
return 0;
}
/* default values */
varstr= pis->varstr;
for(a=0; a<pis->vars; a++, varstr++) {
if( (varstr->type & FLO)==FLO)
pis->data[a]= varstr->def;
else if( (varstr->type & INT)==INT)
*((int *)(pis->data+a))= (int) varstr->def;
}
return pis;
}
void free_plugin_seq(PluginSeq *pis)
{
if(pis==0) return;
/* no PIL_dynlib_close: same plugin can be opened multiple times with 1 handle */
MEM_freeN(pis);
}
/* ***************** END PLUGIN ************************ */
void free_stripdata(int len, StripElem *se)
{
StripElem *seo;
int a;
seo= se;
for(a=0; a<len; a++, se++) {
if(se->ibuf && se->ok!=2) IMB_freeImBuf(se->ibuf);
}
MEM_freeN(seo);
}
void free_strip(Strip *strip)
{
strip->us--;
if(strip->us>0) return;
if(strip->us<0) {
printf("error: negative users in strip\n");
return;
}
if(strip->stripdata) {
free_stripdata(strip->len, strip->stripdata);
}
MEM_freeN(strip);
}
void new_stripdata(Sequence *seq)
{
if(seq->strip) {
if(seq->strip->stripdata) free_stripdata(seq->strip->len, seq->strip->stripdata);
seq->strip->stripdata= 0;
seq->strip->len= seq->len;
if(seq->len>0) seq->strip->stripdata= MEM_callocN(seq->len*sizeof(StripElem), "stripelems");
}
}
void free_sequence(Sequence *seq)
{
extern Sequence *last_seq;
if(seq->strip) free_strip(seq->strip);
if(seq->effectdata) MEM_freeN(seq->effectdata);
if(seq->anim) IMB_free_anim(seq->anim);
free_plugin_seq(seq->plugin);
if(seq==last_seq) last_seq= 0;
MEM_freeN(seq);
}
void do_seq_count(ListBase *seqbase, int *totseq)
{
Sequence *seq;
seq= seqbase->first;
while(seq) {
(*totseq)++;
if(seq->seqbase.first) do_seq_count(&seq->seqbase, totseq);
seq= seq->next;
}
}
void do_build_seqar(ListBase *seqbase, Sequence ***seqar, int depth)
{
Sequence *seq;
seq= seqbase->first;
while(seq) {
seq->depth= depth;
if(seq->seqbase.first) do_build_seqar(&seq->seqbase, seqar, depth+1);
**seqar= seq;
(*seqar)++;
seq= seq->next;
}
}
void build_seqar(ListBase *seqbase, Sequence ***seqar, int *totseq)
{
Sequence **tseqar;
*totseq= 0;
do_seq_count(seqbase, totseq);
if(*totseq==0) {
*seqar= 0;
return;
}
*seqar= MEM_mallocN(sizeof(void *)* *totseq, "seqar");
tseqar= *seqar;
do_build_seqar(seqbase, seqar, 0);
*seqar= tseqar;
}
void free_editing(Editing *ed)
{
MetaStack *ms;
Sequence *seq;
if(ed==0) return;
WHILE_SEQ(&ed->seqbase) {
free_sequence(seq);
}
END_SEQ
while( (ms= ed->metastack.first) ) {
BLI_remlink(&ed->metastack, ms);
MEM_freeN(ms);
}
MEM_freeN(ed);
}
void calc_sequence(Sequence *seq)
{
Sequence *seqm;
int min, max;
/* check all metas recursively */
seqm= seq->seqbase.first;
while(seqm) {
if(seqm->seqbase.first) calc_sequence(seqm);
seqm= seqm->next;
}
/* effects and meta: automatic start and end */
if(seq->type & SEQ_EFFECT) {
/* pointers */
if(seq->seq2==0) seq->seq2= seq->seq1;
if(seq->seq3==0) seq->seq3= seq->seq1;
/* effecten go from seq1 -> seq2: test */
/* we take the largest start and smallest end */
// seq->start= seq->startdisp= MAX2(seq->seq1->startdisp, seq->seq2->startdisp);
// seq->enddisp= MIN2(seq->seq1->enddisp, seq->seq2->enddisp);
seq->start= seq->startdisp= MAX3(seq->seq1->startdisp, seq->seq2->startdisp, seq->seq3->startdisp);
seq->enddisp= MIN3(seq->seq1->enddisp, seq->seq2->enddisp, seq->seq3->enddisp);
seq->len= seq->enddisp - seq->startdisp;
if(seq->strip && seq->len!=seq->strip->len) {
new_stripdata(seq);
}
}
else {
if(seq->type==SEQ_META) {
seqm= seq->seqbase.first;
if(seqm) {
min= 1000000;
max= -1000000;
while(seqm) {
if(seqm->startdisp < min) min= seqm->startdisp;
if(seqm->enddisp > max) max= seqm->enddisp;
seqm= seqm->next;
}
seq->start= min;
seq->len= max-min;
if(seq->strip && seq->len!=seq->strip->len) {
new_stripdata(seq);
}
}
}
if(seq->startofs && seq->startstill) seq->startstill= 0;
if(seq->endofs && seq->endstill) seq->endstill= 0;
seq->startdisp= seq->start + seq->startofs - seq->startstill;
seq->enddisp= seq->start+seq->len - seq->endofs + seq->endstill;
seq->handsize= 10.0; /* 10 frames */
if( seq->enddisp-seq->startdisp < 20 ) {
seq->handsize= (float)(0.5*(seq->enddisp-seq->startdisp));
}
else if(seq->enddisp-seq->startdisp > 250) {
seq->handsize= (float)((seq->enddisp-seq->startdisp)/25);
}
}
}
void sort_seq()
{
/* all strips together per kind, and in order of y location ("machine") */
ListBase seqbase, effbase;
Editing *ed;
Sequence *seq, *seqt;
ed= G.scene->ed;
if(ed==0) return;
seqbase.first= seqbase.last= 0;
effbase.first= effbase.last= 0;
while( (seq= ed->seqbasep->first) ) {
BLI_remlink(ed->seqbasep, seq);
if(seq->type & SEQ_EFFECT) {
seqt= effbase.first;
while(seqt) {
if(seqt->machine>=seq->machine) {
BLI_insertlinkbefore(&effbase, seqt, seq);
break;
}
seqt= seqt->next;
}
if(seqt==0) BLI_addtail(&effbase, seq);
}
else {
seqt= seqbase.first;
while(seqt) {
if(seqt->machine>=seq->machine) {
BLI_insertlinkbefore(&seqbase, seqt, seq);
break;
}
seqt= seqt->next;
}
if(seqt==0) BLI_addtail(&seqbase, seq);
}
}
addlisttolist(&seqbase, &effbase);
*(ed->seqbasep)= seqbase;
}
void clear_scene_in_allseqs(Scene *sce)
{
Scene *sce1;
Editing *ed;
Sequence *seq;
/* when a scene is deleted: test all seqs */
sce1= G.main->scene.first;
while(sce1) {
if(sce1!=sce && sce1->ed) {
ed= sce1->ed;
WHILE_SEQ(&ed->seqbase) {
if(seq->scene==sce) seq->scene= 0;
}
END_SEQ
}
sce1= sce1->id.next;
}
}
/* ***************** DO THE SEQUENCE ***************** */
void do_alphaover_effect(float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
int fac2, mfac, fac, fac4;
int xo, tempc;
char *rt1, *rt2, *rt;
xo= x;
rt1= (char *)rect1;
rt2= (char *)rect2;
rt= (char *)out;
fac2= (int)(256.0*facf0);
fac4= (int)(256.0*facf1);
while(y--) {
x= xo;
while(x--) {
/* rt = rt1 over rt2 (alpha from rt1) */
fac= fac2;
mfac= 256 - ( (fac2*rt1[3])>>8 );
if(fac==0) *( (unsigned int *)rt) = *( (unsigned int *)rt2);
else if(mfac==0) *( (unsigned int *)rt) = *( (unsigned int *)rt1);
else {
tempc= ( fac*rt1[0] + mfac*rt2[0])>>8;
if(tempc>255) rt[0]= 255; else rt[0]= tempc;
tempc= ( fac*rt1[1] + mfac*rt2[1])>>8;
if(tempc>255) rt[1]= 255; else rt[1]= tempc;
tempc= ( fac*rt1[2] + mfac*rt2[2])>>8;
if(tempc>255) rt[2]= 255; else rt[2]= tempc;
tempc= ( fac*rt1[3] + mfac*rt2[3])>>8;
if(tempc>255) rt[3]= 255; else rt[3]= tempc;
}
rt1+= 4; rt2+= 4; rt+= 4;
}
if(y==0) break;
y--;
x= xo;
while(x--) {
fac= fac4;
mfac= 256 - ( (fac4*rt1[3])>>8 );
if(fac==0) *( (unsigned int *)rt) = *( (unsigned int *)rt2);
else if(mfac==0) *( (unsigned int *)rt) = *( (unsigned int *)rt1);
else {
tempc= ( fac*rt1[0] + mfac*rt2[0])>>8;
if(tempc>255) rt[0]= 255; else rt[0]= tempc;
tempc= ( fac*rt1[1] + mfac*rt2[1])>>8;
if(tempc>255) rt[1]= 255; else rt[1]= tempc;
tempc= ( fac*rt1[2] + mfac*rt2[2])>>8;
if(tempc>255) rt[2]= 255; else rt[2]= tempc;
tempc= ( fac*rt1[3] + mfac*rt2[3])>>8;
if(tempc>255) rt[3]= 255; else rt[3]= tempc;
}
rt1+= 4; rt2+= 4; rt+= 4;
}
}
}
void do_alphaunder_effect(float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
int fac2, mfac, fac, fac4;
int xo;
char *rt1, *rt2, *rt;
xo= x;
rt1= (char *)rect1;
rt2= (char *)rect2;
rt= (char *)out;
fac2= (int)(256.0*facf0);
fac4= (int)(256.0*facf1);
while(y--) {
x= xo;
while(x--) {
/* rt = rt1 under rt2 (alpha from rt2) */
/* this complex optimalisation is because the
* 'skybuf' can be crossed in
*/
if(rt2[3]==0 && fac2==256) *( (unsigned int *)rt) = *( (unsigned int *)rt1);
else if(rt2[3]==255) *( (unsigned int *)rt) = *( (unsigned int *)rt2);
else {
mfac= rt2[3];
fac= (fac2*(256-mfac))>>8;
if(fac==0) *( (unsigned int *)rt) = *( (unsigned int *)rt2);
else {
rt[0]= ( fac*rt1[0] + mfac*rt2[0])>>8;
rt[1]= ( fac*rt1[1] + mfac*rt2[1])>>8;
rt[2]= ( fac*rt1[2] + mfac*rt2[2])>>8;
rt[3]= ( fac*rt1[3] + mfac*rt2[3])>>8;
}
}
rt1+= 4; rt2+= 4; rt+= 4;
}
if(y==0) break;
y--;
x= xo;
while(x--) {
if(rt2[3]==0 && fac4==256) *( (unsigned int *)rt) = *( (unsigned int *)rt1);
else if(rt2[3]==255) *( (unsigned int *)rt) = *( (unsigned int *)rt2);
else {
mfac= rt2[3];
fac= (fac4*(256-mfac))>>8;
if(fac==0) *( (unsigned int *)rt) = *( (unsigned int *)rt2);
else {
rt[0]= ( fac*rt1[0] + mfac*rt2[0])>>8;
rt[1]= ( fac*rt1[1] + mfac*rt2[1])>>8;
rt[2]= ( fac*rt1[2] + mfac*rt2[2])>>8;
rt[3]= ( fac*rt1[3] + mfac*rt2[3])>>8;
}
}
rt1+= 4; rt2+= 4; rt+= 4;
}
}
}
void do_cross_effect(float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
int fac1, fac2, fac3, fac4;
int xo;
char *rt1, *rt2, *rt;
xo= x;
rt1= (char *)rect1;
rt2= (char *)rect2;
rt= (char *)out;
fac2= (int)(256.0*facf0);
fac1= 256-fac2;
fac4= (int)(256.0*facf1);
fac3= 256-fac4;
while(y--) {
x= xo;
while(x--) {
rt[0]= (fac1*rt1[0] + fac2*rt2[0])>>8;
rt[1]= (fac1*rt1[1] + fac2*rt2[1])>>8;
rt[2]= (fac1*rt1[2] + fac2*rt2[2])>>8;
rt[3]= (fac1*rt1[3] + fac2*rt2[3])>>8;
rt1+= 4; rt2+= 4; rt+= 4;
}
if(y==0) break;
y--;
x= xo;
while(x--) {
rt[0]= (fac3*rt1[0] + fac4*rt2[0])>>8;
rt[1]= (fac3*rt1[1] + fac4*rt2[1])>>8;
rt[2]= (fac3*rt1[2] + fac4*rt2[2])>>8;
rt[3]= (fac3*rt1[3] + fac4*rt2[3])>>8;
rt1+= 4; rt2+= 4; rt+= 4;
}
}
}
void do_gammacross_effect(float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
/* extern unsigned short *igamtab1, *gamtab; render.h */
int fac1, fac2, col;
int xo;
char *rt1, *rt2, *rt;
xo= x;
rt1= (char *)rect1;
rt2= (char *)rect2;
rt= (char *)out;
fac2= (int)(256.0*facf0);
fac1= 256-fac2;
while(y--) {
x= xo;
while(x--) {
col= (fac1*igamtab1[rt1[0]] + fac2*igamtab1[rt2[0]])>>8;
if(col>65535) rt[0]= 255; else rt[0]= ( (char *)(gamtab+col))[MOST_SIG_BYTE];
col=(fac1*igamtab1[rt1[1]] + fac2*igamtab1[rt2[1]])>>8;
if(col>65535) rt[1]= 255; else rt[1]= ( (char *)(gamtab+col))[MOST_SIG_BYTE];
col= (fac1*igamtab1[rt1[2]] + fac2*igamtab1[rt2[2]])>>8;
if(col>65535) rt[2]= 255; else rt[2]= ( (char *)(gamtab+col))[MOST_SIG_BYTE];
col= (fac1*igamtab1[rt1[3]] + fac2*igamtab1[rt2[3]])>>8;
if(col>65535) rt[3]= 255; else rt[3]= ( (char *)(gamtab+col))[MOST_SIG_BYTE];
rt1+= 4; rt2+= 4; rt+= 4;
}
if(y==0) break;
y--;
x= xo;
while(x--) {
col= (fac1*igamtab1[rt1[0]] + fac2*igamtab1[rt2[0]])>>8;
if(col>65535) rt[0]= 255; else rt[0]= ( (char *)(gamtab+col))[MOST_SIG_BYTE];
col= (fac1*igamtab1[rt1[1]] + fac2*igamtab1[rt2[1]])>>8;
if(col>65535) rt[1]= 255; else rt[1]= ( (char *)(gamtab+col))[MOST_SIG_BYTE];
col= (fac1*igamtab1[rt1[2]] + fac2*igamtab1[rt2[2]])>>8;
if(col>65535) rt[2]= 255; else rt[2]= ( (char *)(gamtab+col))[MOST_SIG_BYTE];
col= (fac1*igamtab1[rt1[3]] + fac2*igamtab1[rt2[3]])>>8;
if(col>65535) rt[3]= 255; else rt[3]= ( (char *)(gamtab+col))[MOST_SIG_BYTE];
rt1+= 4; rt2+= 4; rt+= 4;
}
}
}
void do_add_effect(float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
int col, xo, fac1, fac3;
char *rt1, *rt2, *rt;
xo= x;
rt1= (char *)rect1;
rt2= (char *)rect2;
rt= (char *)out;
fac1= (int)(256.0*facf0);
fac3= (int)(256.0*facf1);
while(y--) {
x= xo;
while(x--) {
col= rt1[0]+ ((fac1*rt2[0])>>8);
if(col>255) rt[0]= 255; else rt[0]= col;
col= rt1[1]+ ((fac1*rt2[1])>>8);
if(col>255) rt[1]= 255; else rt[1]= col;
col= rt1[2]+ ((fac1*rt2[2])>>8);
if(col>255) rt[2]= 255; else rt[2]= col;
col= rt1[3]+ ((fac1*rt2[3])>>8);
if(col>255) rt[3]= 255; else rt[3]= col;
rt1+= 4; rt2+= 4; rt+= 4;
}
if(y==0) break;
y--;
x= xo;
while(x--) {
col= rt1[0]+ ((fac3*rt2[0])>>8);
if(col>255) rt[0]= 255; else rt[0]= col;
col= rt1[1]+ ((fac3*rt2[1])>>8);
if(col>255) rt[1]= 255; else rt[1]= col;
col= rt1[2]+ ((fac3*rt2[2])>>8);
if(col>255) rt[2]= 255; else rt[2]= col;
col= rt1[3]+ ((fac3*rt2[3])>>8);
if(col>255) rt[3]= 255; else rt[3]= col;
rt1+= 4; rt2+= 4; rt+= 4;
}
}
}
void do_sub_effect(float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
int col, xo, fac1, fac3;
char *rt1, *rt2, *rt;
xo= x;
rt1= (char *)rect1;
rt2= (char *)rect2;
rt= (char *)out;
fac1= (int)(256.0*facf0);
fac3= (int)(256.0*facf1);
while(y--) {
x= xo;
while(x--) {
col= rt1[0]- ((fac1*rt2[0])>>8);
if(col<0) rt[0]= 0; else rt[0]= col;
col= rt1[1]- ((fac1*rt2[1])>>8);
if(col<0) rt[1]= 0; else rt[1]= col;
col= rt1[2]- ((fac1*rt2[2])>>8);
if(col<0) rt[2]= 0; else rt[2]= col;
col= rt1[3]- ((fac1*rt2[3])>>8);
if(col<0) rt[3]= 0; else rt[3]= col;
rt1+= 4; rt2+= 4; rt+= 4;
}
if(y==0) break;
y--;
x= xo;
while(x--) {
col= rt1[0]- ((fac3*rt2[0])>>8);
if(col<0) rt[0]= 0; else rt[0]= col;
col= rt1[1]- ((fac3*rt2[1])>>8);
if(col<0) rt[1]= 0; else rt[1]= col;
col= rt1[2]- ((fac3*rt2[2])>>8);
if(col<0) rt[2]= 0; else rt[2]= col;
col= rt1[3]- ((fac3*rt2[3])>>8);
if(col<0) rt[3]= 0; else rt[3]= col;
rt1+= 4; rt2+= 4; rt+= 4;
}
}
}
/* Must be > 0 or add precopy, etc to the function */
#define XOFF 8
#define YOFF 8
void do_drop_effect(float facf0, float facf1, int x, int y, unsigned int *rect2i, unsigned int *rect1i, unsigned int *outi)
{
int height, width, temp, fac, fac1, fac2;
char *rt1, *rt2, *out;
int field= 1;
width= x;
height= y;
fac1= (int)(70.0*facf0);
fac2= (int)(70.0*facf1);
rt2= (char*) (rect2i + YOFF*width);
rt1= (char*) rect1i;
out= (char*) outi;
for (y=0; y<height-YOFF; y++) {
if(field) fac= fac1;
else fac= fac2;
field= !field;
memcpy(out, rt1, sizeof(int)*XOFF);
rt1+= XOFF*4;
out+= XOFF*4;
for (x=XOFF; x<width; x++) {
temp= ((fac*rt2[3])>>8);
*(out++)= MAX2(0, *rt1 - temp); rt1++;
*(out++)= MAX2(0, *rt1 - temp); rt1++;
*(out++)= MAX2(0, *rt1 - temp); rt1++;
*(out++)= MAX2(0, *rt1 - temp); rt1++;
rt2+=4;
}
rt2+=XOFF*4;
}
memcpy(out, rt1, sizeof(int)*YOFF*width);
}
/* WATCH: rect2 and rect1 reversed */
void do_drop_effect2(float facf0, float facf1, int x, int y, unsigned int *rect2, unsigned int *rect1, unsigned int *out)
{
int col, xo, yo, temp, fac1, fac3;
int xofs= -8, yofs= 8;
char *rt1, *rt2, *rt;
xo= x;
yo= y;
rt2= (char *)(rect2 + yofs*x + xofs);
rt1= (char *)rect1;
rt= (char *)out;
fac1= (int)(70.0*facf0);
fac3= (int)(70.0*facf1);
while(y-- > 0) {
temp= y-yofs;
if(temp > 0 && temp < yo) {
x= xo;
while(x--) {
temp= x+xofs;
if(temp > 0 && temp < xo) {
temp= ((fac1*rt2[3])>>8);
col= rt1[0]- temp;
if(col<0) rt[0]= 0; else rt[0]= col;
col= rt1[1]- temp;
if(col<0) rt[1]= 0; else rt[1]= col;
col= rt1[2]- temp;
if(col<0) rt[2]= 0; else rt[2]= col;
col= rt1[3]- temp;
if(col<0) rt[3]= 0; else rt[3]= col;
}
else *( (unsigned int *)rt) = *( (unsigned int *)rt1);
rt1+= 4; rt2+= 4; rt+= 4;
}
}
else {
x= xo;
while(x--) {
*( (unsigned int *)rt) = *( (unsigned int *)rt1);
rt1+= 4; rt2+= 4; rt+= 4;
}
}
if(y==0) break;
y--;
temp= y-yofs;
if(temp > 0 && temp < yo) {
x= xo;
while(x--) {
temp= x+xofs;
if(temp > 0 && temp < xo) {
temp= ((fac3*rt2[3])>>8);
col= rt1[0]- temp;
if(col<0) rt[0]= 0; else rt[0]= col;
col= rt1[1]- temp;
if(col<0) rt[1]= 0; else rt[1]= col;
col= rt1[2]- temp;
if(col<0) rt[2]= 0; else rt[2]= col;
col= rt1[3]- temp;
if(col<0) rt[3]= 0; else rt[3]= col;
}
else *( (unsigned int *)rt) = *( (unsigned int *)rt1);
rt1+= 4; rt2+= 4; rt+= 4;
}
}
else {
x= xo;
while(x--) {
*( (unsigned int *)rt) = *( (unsigned int *)rt1);
rt1+= 4; rt2+= 4; rt+= 4;
}
}
}
}
void do_mul_effect(float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
int xo, fac1, fac3;
char *rt1, *rt2, *rt;
xo= x;
rt1= (char *)rect1;
rt2= (char *)rect2;
rt= (char *)out;
fac1= (int)(256.0*facf0);
fac3= (int)(256.0*facf1);
/* formula:
* fac*(a*b) + (1-fac)*a => fac*a*(b-1)+a
*/
while(y--) {
x= xo;
while(x--) {
rt[0]= rt1[0] + ((fac1*rt1[0]*(rt2[0]-256))>>16);
rt[1]= rt1[1] + ((fac1*rt1[1]*(rt2[1]-256))>>16);
rt[2]= rt1[2] + ((fac1*rt1[2]*(rt2[2]-256))>>16);
rt[3]= rt1[3] + ((fac1*rt1[3]*(rt2[3]-256))>>16);
rt1+= 4; rt2+= 4; rt+= 4;
}
if(y==0) break;
y--;
x= xo;
while(x--) {
rt[0]= rt1[0] + ((fac3*rt1[0]*(rt2[0]-256))>>16);
rt[1]= rt1[1] + ((fac3*rt1[1]*(rt2[1]-256))>>16);
rt[2]= rt1[2] + ((fac3*rt1[2]*(rt2[2]-256))>>16);
rt[3]= rt1[3] + ((fac3*rt1[3]*(rt2[3]-256))>>16);
rt1+= 4; rt2+= 4; rt+= 4;
}
}
}
// This function calculates the blur band for the wipe effects
float in_band(float width,float dist, float perc,int side,int dir){
float t1,t2,alpha,percwidth;
if(width == 0)
return (float)side;
if(side == 1)
percwidth = width * perc;
else
percwidth = width * (1 - perc);
if(width < dist)
return side;
t1 = dist / width; //percentange of width that is
t2 = 1 / width; //amount of alpha per % point
if(side == 1)
alpha = (t1*t2*100) + (1-perc); // add point's alpha contrib to current position in wipe
else
alpha = (1-perc) - (t1*t2*100);
if(dir == 0)
alpha = 1-alpha;
return alpha;
}
float check_zone(int x, int y, int xo, int yo, Sequence *seq, float facf0) {
float posx, posy,hyp,hyp2,angle,hwidth,b1,b2,b3,pointdist;
/*some future stuff
float hyp3,hyp4,b4,b5
*/
float temp1,temp2,temp3,temp4; //some placeholder variables
float halfx = xo/2;
float halfy = yo/2;
float widthf,output=0;
WipeVars *wipe = (WipeVars *)seq->effectdata;
int width;
angle = wipe->angle;
if(angle < 0){
x = xo-x;
//y = yo-y
}
angle = pow(fabs(angle)/45,log(xo)/log(2));
posy = facf0 * yo;
if(wipe->forward){
posx = facf0 * xo;
posy = facf0 * yo;
} else{
posx = xo - facf0 * xo;
posy = yo - facf0 * yo;
}
switch (wipe->wipetype) {
case DO_SINGLE_WIPE:
width = (int)(wipe->edgeWidth*((xo+yo)/2.0));
hwidth = (float)width/2.0;
if (angle == 0.0)angle = 0.000001;
b1 = posy - (-angle)*posx;
b2 = y - (-angle)*x;
hyp = fabs(angle*x+y+(-posy-angle*posx))/sqrt(angle*angle+1);
if(angle < 0){
temp1 = b1;
b1 = b2;
b2 = temp1;
}
if(wipe->forward){
if(b1 < b2)
output = in_band(width,hyp,facf0,1,1);
else
output = in_band(width,hyp,facf0,0,1);
}
else{
if(b1 < b2)
output = in_band(width,hyp,facf0,0,1);
else
output = in_band(width,hyp,facf0,1,1);
}
break;
case DO_DOUBLE_WIPE:
if(!wipe->forward)facf0 = 1-facf0; // Go the other direction
width = (int)(wipe->edgeWidth*((xo+yo)/2.0)); // calculate the blur width
hwidth = (float)width/2.0;
if (angle == 0)angle = 0.000001;
b1 = posy/2 - (-angle)*posx/2;
b3 = (yo-posy/2) - (-angle)*(xo-posx/2);
b2 = y - (-angle)*x;
hyp = abs(angle*x+y+(-posy/2-angle*posx/2))/sqrt(angle*angle+1);
hyp2 = abs(angle*x+y+(-(yo-posy/2)-angle*(xo-posx/2)))/sqrt(angle*angle+1);
temp1 = xo*(1-facf0/2)-xo*facf0/2;
temp2 = yo*(1-facf0/2)-yo*facf0/2;
pointdist = sqrt(temp1*temp1 + temp2*temp2);
if(b2 < b1 && b2 < b3 ){
if(hwidth < pointdist)
output = in_band(hwidth,hyp,facf0,0,1);
}
else if(b2 > b1 && b2 > b3 ){
if(hwidth < pointdist)
output = in_band(hwidth,hyp2,facf0,0,1);
}
else{
if( hyp < hwidth && hyp2 > hwidth )
output = in_band(hwidth,hyp,facf0,1,1);
else if( hyp > hwidth && hyp2 < hwidth )
output = in_band(hwidth,hyp2,facf0,1,1);
else
output = in_band(hwidth,hyp2,facf0,1,1) * in_band(hwidth,hyp,facf0,1,1);
}
if(!wipe->forward)output = 1-output;
break;
case DO_CLOCK_WIPE:
/*
temp1: angle of effect center in rads
temp2: angle of line through (halfx,halfy) and (x,y) in rads
temp3: angle of low side of blur
temp4: angle of high side of blur
*/
output = 1-facf0;
widthf = wipe->edgeWidth*2*3.14159;
temp1 = 2 * 3.14159 * facf0;
if(wipe->forward){
temp1 = 2*3.14159-temp1;
}
x = x - halfx;
y = y - halfy;
temp2 = asin(abs(y)/sqrt(x*x + y*y));
if(x <= 0 && y >= 0)
temp2 = 3.14159 - temp2;
else if(x<=0 && y <= 0)
temp2 += 3.14159;
else if(x >= 0 && y <= 0)
temp2 = 2*3.14159 - temp2;
if(wipe->forward){
temp3 = temp1-(widthf/2)*facf0;
temp4 = temp1+(widthf/2)*(1-facf0);
}
else{
temp3 = temp1-(widthf/2)*(1-facf0);
temp4 = temp1+(widthf/2)*facf0;
}
if (temp3 < 0) temp3 = 0;
if (temp4 > 2*3.14159) temp4 = 2*3.14159;
if(temp2 < temp3)
output = 0;
else if (temp2 > temp4)
output = 1;
else
output = (temp2-temp3)/(temp4-temp3);
if(x == 0 && y == 0){
output = 1;
}
if(output != output)
output = 1;
if(wipe->forward)
output = 1 - output;
break;
/* BOX WIPE IS NOT WORKING YET */
/* case DO_CROSS_WIPE: */
/* BOX WIPE IS NOT WORKING YET */
/* case DO_BOX_WIPE:
if(invert)facf0 = 1-facf0;
width = (int)(wipe->edgeWidth*((xo+yo)/2.0));
hwidth = (float)width/2.0;
if (angle == 0)angle = 0.000001;
b1 = posy/2 - (-angle)*posx/2;
b3 = (yo-posy/2) - (-angle)*(xo-posx/2);
b2 = y - (-angle)*x;
hyp = abs(angle*x+y+(-posy/2-angle*posx/2))/sqrt(angle*angle+1);
hyp2 = abs(angle*x+y+(-(yo-posy/2)-angle*(xo-posx/2)))/sqrt(angle*angle+1);
temp1 = xo*(1-facf0/2)-xo*facf0/2;
temp2 = yo*(1-facf0/2)-yo*facf0/2;
pointdist = sqrt(temp1*temp1 + temp2*temp2);
if(b2 < b1 && b2 < b3 ){
if(hwidth < pointdist)
output = in_band(hwidth,hyp,facf0,0,1);
}
else if(b2 > b1 && b2 > b3 ){
if(hwidth < pointdist)
output = in_band(hwidth,hyp2,facf0,0,1);
}
else{
if( hyp < hwidth && hyp2 > hwidth )
output = in_band(hwidth,hyp,facf0,1,1);
else if( hyp > hwidth && hyp2 < hwidth )
output = in_band(hwidth,hyp2,facf0,1,1);
else
output = in_band(hwidth,hyp2,facf0,1,1) * in_band(hwidth,hyp,facf0,1,1);
}
if(invert)facf0 = 1-facf0;
angle = -1/angle;
b1 = posy/2 - (-angle)*posx/2;
b3 = (yo-posy/2) - (-angle)*(xo-posx/2);
b2 = y - (-angle)*x;
hyp = abs(angle*x+y+(-posy/2-angle*posx/2))/sqrt(angle*angle+1);
hyp2 = abs(angle*x+y+(-(yo-posy/2)-angle*(xo-posx/2)))/sqrt(angle*angle+1);
if(b2 < b1 && b2 < b3 ){
if(hwidth < pointdist)
output *= in_band(hwidth,hyp,facf0,0,1);
}
else if(b2 > b1 && b2 > b3 ){
if(hwidth < pointdist)
output *= in_band(hwidth,hyp2,facf0,0,1);
}
else{
if( hyp < hwidth && hyp2 > hwidth )
output *= in_band(hwidth,hyp,facf0,1,1);
else if( hyp > hwidth && hyp2 < hwidth )
output *= in_band(hwidth,hyp2,facf0,1,1);
else
output *= in_band(hwidth,hyp2,facf0,1,1) * in_band(hwidth,hyp,facf0,1,1);
}
break;*/
case DO_IRIS_WIPE:
if(xo > yo) yo = xo;
else xo = yo;
if(!wipe->forward)
facf0 = 1-facf0;
width = (int)(wipe->edgeWidth*((xo+yo)/2.0));
hwidth = (float)width/2.0;
temp1 = (halfx-(halfx)*facf0);
pointdist = sqrt(temp1*temp1 + temp1*temp1);
temp2 = sqrt((halfx-x)*(halfx-x) + (halfy-y)*(halfy-y));
if(temp2 > pointdist)
output = in_band(hwidth,fabs(temp2-pointdist),facf0,0,1);
else
output = in_band(hwidth,fabs(temp2-pointdist),facf0,1,1);
if(!wipe->forward)
output = 1-output;
break;
}
if (output < 0) output = 0;
else if(output > 1) output = 1;
return output;
}
void init_wipe_effect(Sequence *seq)
{
if(seq->effectdata)MEM_freeN(seq->effectdata);
seq->effectdata = MEM_callocN(sizeof(struct WipeVars), "wipevars");
}
void do_wipe_effect(Sequence *seq, float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
int xo, yo;
char *rt1, *rt2, *rt;
rt1 = (char *)rect1;
rt2 = (char *)rect2;
rt = (char *)out;
xo = x;
yo = y;
for(y=0;y<yo;y++) {
for(x=0;x<xo;x++) {
float check = check_zone(x,y,xo,yo,seq,facf0);
if (check) {
if (rt1) {
rt[0] = (int)(rt1[0]*check)+ (int)(rt2[0]*(1-check));
rt[1] = (int)(rt1[1]*check)+ (int)(rt2[1]*(1-check));
rt[2] = (int)(rt1[2]*check)+ (int)(rt2[2]*(1-check));
rt[3] = (int)(rt1[3]*check)+ (int)(rt2[3]*(1-check));
} else {
rt[0] = 0;
rt[1] = 0;
rt[2] = 0;
rt[3] = 255;
}
} else {
if (rt2) {
rt[0] = rt2[0];
rt[1] = rt2[1];
rt[2] = rt2[2];
rt[3] = rt2[3];
} else {
rt[0] = 0;
rt[1] = 0;
rt[2] = 0;
rt[3] = 255;
}
}
rt+=4;
if(rt1 !=NULL){
rt1+=4;
}
if(rt2 !=NULL){
rt2+=4;
}
}
}
}
/* Glow Functions */
void RVBlurBitmap2 ( unsigned char* map, int width,int height,float blur,
int quality)
/* MUUUCCH better than the previous blur. */
/* We do the blurring in two passes which is a whole lot faster. */
/* I changed the math arount to implement an actual Gaussian */
/* distribution. */
/* */
/* Watch out though, it tends to misbehaven with large blur values on */
/* a small bitmap. Avoid avoid avoid. */
/*=============================== */
{
unsigned char* temp=NULL,*swap;
float *filter=NULL;
int x,y,i,fx,fy;
int index, ix, halfWidth;
float fval, k, curColor[3], curColor2[3], weight=0;
/* If we're not really blurring, bail out */
if (blur<=0)
return;
/* Allocate memory for the tempmap and the blur filter matrix */
temp= MEM_mallocN( (width*height*4), "blurbitmaptemp");
if (!temp)
return;
/* Allocate memory for the filter elements */
halfWidth = ((quality+1)*blur);
filter = (float *)MEM_mallocN(sizeof(float)*halfWidth*2, "blurbitmapfilter");
if (!filter){
MEM_freeN (temp);
return;
}
/* Apparently we're calculating a bell curve */
/* based on the standard deviation (or radius) */
/* This code is based on an example */
/* posted to comp.graphics.algorithms by */
/* Blancmange (bmange@airdmhor.gen.nz) */
k = -1.0/(2.0*3.14159*blur*blur);
fval=0;
for (ix = 0;ix< halfWidth;ix++){
weight = (float)exp(k*(ix*ix));
filter[halfWidth - ix] = weight;
filter[halfWidth + ix] = weight;
}
filter[0] = weight;
/* Normalize the array */
fval=0;
for (ix = 0;ix< halfWidth*2;ix++)
fval+=filter[ix];
for (ix = 0;ix< halfWidth*2;ix++)
filter[ix]/=fval;
/* Blur the rows */
for (y=0;y<height;y++){
/* Do the left & right strips */
for (x=0;x<halfWidth;x++){
index=(x+y*width)*4;
fx=0;
curColor[0]=curColor[1]=curColor[2]=0;
curColor2[0]=curColor2[1]=curColor2[2]=0;
for (i=x-halfWidth;i<x+halfWidth;i++){
if ((i>=0)&&(i<width)){
curColor[0]+=map[(i+y*width)*4+GlowR]*filter[fx];
curColor[1]+=map[(i+y*width)*4+GlowG]*filter[fx];
curColor[2]+=map[(i+y*width)*4+GlowB]*filter[fx];
curColor2[0]+=map[(width-1-i+y*width)*4+GlowR] *
filter[fx];
curColor2[1]+=map[(width-1-i+y*width)*4+GlowG] *
filter[fx];
curColor2[2]+=map[(width-1-i+y*width)*4+GlowB] *
filter[fx];
}
fx++;
}
temp[index+GlowR]=curColor[0];
temp[index+GlowG]=curColor[1];
temp[index+GlowB]=curColor[2];
temp[((width-1-x+y*width)*4)+GlowR]=curColor2[0];
temp[((width-1-x+y*width)*4)+GlowG]=curColor2[1];
temp[((width-1-x+y*width)*4)+GlowB]=curColor2[2];
}
/* Do the main body */
for (x=halfWidth;x<width-halfWidth;x++){
index=(x+y*width)*4;
fx=0;
curColor[0]=curColor[1]=curColor[2]=0;
for (i=x-halfWidth;i<x+halfWidth;i++){
curColor[0]+=map[(i+y*width)*4+GlowR]*filter[fx];
curColor[1]+=map[(i+y*width)*4+GlowG]*filter[fx];
curColor[2]+=map[(i+y*width)*4+GlowB]*filter[fx];
fx++;
}
temp[index+GlowR]=curColor[0];
temp[index+GlowG]=curColor[1];
temp[index+GlowB]=curColor[2];
}
}
/* Swap buffers */
swap=temp;temp=map;map=swap;
/* Blur the columns */
for (x=0;x<width;x++){
/* Do the top & bottom strips */
for (y=0;y<halfWidth;y++){
index=(x+y*width)*4;
fy=0;
curColor[0]=curColor[1]=curColor[2]=0;
curColor2[0]=curColor2[1]=curColor2[2]=0;
for (i=y-halfWidth;i<y+halfWidth;i++){
if ((i>=0)&&(i<height)){
/* Bottom */
curColor[0]+=map[(x+i*width)*4+GlowR]*filter[fy];
curColor[1]+=map[(x+i*width)*4+GlowG]*filter[fy];
curColor[2]+=map[(x+i*width)*4+GlowB]*filter[fy];
/* Top */
curColor2[0]+=map[(x+(height-1-i)*width) *
4+GlowR]*filter[fy];
curColor2[1]+=map[(x+(height-1-i)*width) *
4+GlowG]*filter[fy];
curColor2[2]+=map[(x+(height-1-i)*width) *
4+GlowB]*filter[fy];
}
fy++;
}
temp[index+GlowR]=curColor[0];
temp[index+GlowG]=curColor[1];
temp[index+GlowB]=curColor[2];
temp[((x+(height-1-y)*width)*4)+GlowR]=curColor2[0];
temp[((x+(height-1-y)*width)*4)+GlowG]=curColor2[1];
temp[((x+(height-1-y)*width)*4)+GlowB]=curColor2[2];
}
/* Do the main body */
for (y=halfWidth;y<height-halfWidth;y++){
index=(x+y*width)*4;
fy=0;
curColor[0]=curColor[1]=curColor[2]=0;
for (i=y-halfWidth;i<y+halfWidth;i++){
curColor[0]+=map[(x+i*width)*4+GlowR]*filter[fy];
curColor[1]+=map[(x+i*width)*4+GlowG]*filter[fy];
curColor[2]+=map[(x+i*width)*4+GlowB]*filter[fy];
fy++;
}
temp[index+GlowR]=curColor[0];
temp[index+GlowG]=curColor[1];
temp[index+GlowB]=curColor[2];
}
}
/* Swap buffers */
swap=temp;temp=map;map=swap;
/* Tidy up */
MEM_freeN (filter);
MEM_freeN (temp);
}
/* Adds two bitmaps and puts the results into a third map. */
/* C must have been previously allocated but it may be A or B. */
/* We clamp values to 255 to prevent weirdness */
/*=============================== */
void RVAddBitmaps (unsigned char* a, unsigned char* b, unsigned char* c, int width, int height)
{
int x,y,index;
for (y=0;y<height;y++){
for (x=0;x<width;x++){
index=(x+y*width)*4;
c[index+GlowR]=MIN2(255,a[index+GlowR]+b[index+GlowR]);
c[index+GlowG]=MIN2(255,a[index+GlowG]+b[index+GlowG]);
c[index+GlowB]=MIN2(255,a[index+GlowB]+b[index+GlowB]);
c[index+GlowA]=MIN2(255,a[index+GlowA]+b[index+GlowA]);
}
}
}
/* For each pixel whose total luminance exceeds the threshold, */
/* Multiply it's value by BOOST and add it to the output map */
void RVIsolateHighlights (unsigned char* in, unsigned char* out, int width, int height, int threshold, float boost, float clamp)
{
int x,y,index;
int intensity;
for(y=0;y< height;y++) {
for (x=0;x< width;x++) {
index= (x+y*width)*4;
/* Isolate the intensity */
intensity=(in[index+GlowR]+in[index+GlowG]+in[index+GlowB]-threshold);
if (intensity>0){
out[index+GlowR]=MIN2(255*clamp, (in[index+GlowR]*boost*intensity)/255);
out[index+GlowG]=MIN2(255*clamp, (in[index+GlowG]*boost*intensity)/255);
out[index+GlowB]=MIN2(255*clamp, (in[index+GlowB]*boost*intensity)/255);
}
else{
out[index+GlowR]=0;
out[index+GlowG]=0;
out[index+GlowB]=0;
}
}
}
}
void init_glow_effect(Sequence *seq)
{
GlowVars *glow;
if(seq->effectdata)MEM_freeN(seq->effectdata);
seq->effectdata = MEM_callocN(sizeof(struct GlowVars), "glowvars");
glow = (GlowVars *)seq->effectdata;
glow->fMini = 0.25;
glow->fClamp = 1.0;
glow->fBoost = 0.5;
glow->dDist = 3.0;
glow->dQuality = 3;
glow->bNoComp = 0;
}
//void do_glow_effect(Cast *cast, float facf0, float facf1, int xo, int yo, ImBuf *ibuf1, ImBuf *ibuf2, ImBuf *outbuf, ImBuf *use)
void do_glow_effect(Sequence *seq, float facf0, float facf1, int x, int y, unsigned int *rect1, unsigned int *rect2, unsigned int *out)
{
unsigned char *outbuf=(unsigned char *)out;
unsigned char *inbuf=(unsigned char *)rect1;
GlowVars *glow = (GlowVars *)seq->effectdata;
RVIsolateHighlights (inbuf, outbuf , x, y, glow->fMini*765, glow->fBoost, glow->fClamp);
RVBlurBitmap2 (outbuf, x, y, glow->dDist,glow->dQuality);
if (!glow->bNoComp)
RVAddBitmaps (inbuf , outbuf, outbuf, x, y);
}
void make_black_ibuf(ImBuf *ibuf)
{
unsigned int *rect;
int tot;
if(ibuf==0 || ibuf->rect==0) return;
tot= ibuf->x*ibuf->y;
rect= ibuf->rect;
while(tot--) *(rect++)= 0;
}
void multibuf(ImBuf *ibuf, float fmul)
{
char *rt;
int a, mul, icol;
mul= (int)(256.0*fmul);
a= ibuf->x*ibuf->y;
rt= (char *)ibuf->rect;
while(a--) {
icol= (mul*rt[0])>>8;
if(icol>254) rt[0]= 255; else rt[0]= icol;
icol= (mul*rt[1])>>8;
if(icol>254) rt[1]= 255; else rt[1]= icol;
icol= (mul*rt[2])>>8;
if(icol>254) rt[2]= 255; else rt[2]= icol;
icol= (mul*rt[3])>>8;
if(icol>254) rt[3]= 255; else rt[3]= icol;
rt+= 4;
}
}
void do_effect(int cfra, Sequence *seq, StripElem *se)
{
StripElem *se1, *se2, *se3;
float fac, facf;
int x, y;
char *cp;
if(se->se1==0 || se->se2==0 || se->se3==0) {
make_black_ibuf(se->ibuf);
return;
}
/* if metastrip: other se's */
if(se->se1->ok==2) se1= se->se1->se1;
else se1= se->se1;
if(se->se2->ok==2) se2= se->se2->se1;
else se2= se->se2;
if(se->se3->ok==2) se3= se->se3->se1;
else se3= se->se3;
if(se1==0 || se2==0 || se3==0 || se1->ibuf==0 || se2->ibuf==0 || se3->ibuf==0) {
make_black_ibuf(se->ibuf);
return;
}
x= se2->ibuf->x;
y= se2->ibuf->y;
if(seq->ipo && seq->ipo->curve.first) {
do_seq_ipo(seq);
fac= seq->facf0;
facf= seq->facf1;
}
else if ( seq->type==SEQ_CROSS || seq->type==SEQ_GAMCROSS || seq->type==SEQ_PLUGIN || seq->type==SEQ_WIPE) {
fac= (float)(cfra - seq->startdisp);
facf= (float)(fac+0.5);
fac /= seq->len;
facf /= seq->len;
}
else {
fac= facf= 1.0;
}
if( G.scene->r.mode & R_FIELDS ); else facf= fac;
switch(seq->type) {
case SEQ_CROSS:
do_cross_effect(fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_GAMCROSS:
do_gammacross_effect(fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_ADD:
do_add_effect(fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_SUB:
do_sub_effect(fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_MUL:
do_mul_effect(fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_ALPHAOVER:
do_alphaover_effect(fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_OVERDROP:
do_drop_effect(fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
do_alphaover_effect(fac, facf, x, y, se1->ibuf->rect, se->ibuf->rect, se->ibuf->rect);
break;
case SEQ_ALPHAUNDER:
do_alphaunder_effect(fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_WIPE:
do_wipe_effect(seq, fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_GLOW:
do_glow_effect(seq, fac, facf, x, y, se1->ibuf->rect, se2->ibuf->rect, se->ibuf->rect);
break;
case SEQ_PLUGIN:
if(seq->plugin && seq->plugin->doit) {
if((G.f & G_PLAYANIM)==0) waitcursor(1);
if(seq->plugin->cfra) *(seq->plugin->cfra)= frame_to_float(CFRA);
cp= PIL_dynlib_find_symbol(seq->plugin->handle, "seqname");
if(cp) strcpy(cp, seq->name+2);
if (seq->plugin->version<=2) {
if(se1->ibuf) IMB_convert_rgba_to_abgr(se1->ibuf->x*se1->ibuf->y, se1->ibuf->rect);
if(se2->ibuf) IMB_convert_rgba_to_abgr(se2->ibuf->x*se2->ibuf->y, se2->ibuf->rect);
if(se3->ibuf) IMB_convert_rgba_to_abgr(se3->ibuf->x*se3->ibuf->y, se3->ibuf->rect);
}
((SeqDoit)seq->plugin->doit)(seq->plugin->data, fac, facf, x, y,
se1->ibuf, se2->ibuf, se->ibuf, se3->ibuf);
if (seq->plugin->version<=2) {
if(se1->ibuf) IMB_convert_rgba_to_abgr(se1->ibuf->x*se1->ibuf->y, se1->ibuf->rect);
if(se2->ibuf) IMB_convert_rgba_to_abgr(se2->ibuf->x*se2->ibuf->y, se2->ibuf->rect);
if(se3->ibuf) IMB_convert_rgba_to_abgr(se3->ibuf->x*se3->ibuf->y, se3->ibuf->rect);
IMB_convert_rgba_to_abgr(se->ibuf->x*se->ibuf->y, se->ibuf->rect);
}
if((G.f & G_PLAYANIM)==0) waitcursor(0);
}
break;
}
}
int evaluate_seq_frame(int cfra)
{
Sequence *seq;
Editing *ed;
int totseq=0;
memset(seq_arr, 0, 4*MAXSEQ);
ed= G.scene->ed;
if(ed==0) return 0;
seq= ed->seqbasep->first;
while(seq) {
if(seq->startdisp <=cfra && seq->enddisp > cfra) {
seq_arr[seq->machine]= seq;
totseq++;
}
seq= seq->next;
}
return totseq;
}
StripElem *give_stripelem(Sequence *seq, int cfra)
{
Strip *strip;
StripElem *se;
int nr;
strip= seq->strip;
se= strip->stripdata;
if(se==0) return 0;
if(seq->startdisp >cfra || seq->enddisp <= cfra) return 0;
if(cfra <= seq->start) nr= 0;
else if(cfra >= seq->start+seq->len-1) nr= seq->len-1;
else nr= cfra-seq->start;
se+= nr;
se->nr= nr;
return se;
}
void set_meta_stripdata(Sequence *seqm)
{
Sequence *seq, *seqim, *seqeff;
Editing *ed;
ListBase *tempbase;
StripElem *se;
int a, cfra, b;
/* sets all ->se1 pointers in stripdata, to read the ibuf from it */
ed= G.scene->ed;
if(ed==0) return;
tempbase= ed->seqbasep;
ed->seqbasep= &seqm->seqbase;
se= seqm->strip->stripdata;
for(a=0; a<seqm->len; a++, se++) {
cfra= a+seqm->start;
if(evaluate_seq_frame(cfra)) {
/* we take the upper effect strip or the lowest imagestrip/metastrip */
seqim= seqeff= 0;
for(b=1; b<MAXSEQ; b++) {
if(seq_arr[b]) {
seq= seq_arr[b];
if(seq->type & SEQ_EFFECT) {
if(seqeff==0) seqeff= seq;
else if(seqeff->machine < seq->machine) seqeff= seq;
}
else {
if(seqim==0) seqim= seq;
else if(seqim->machine > seq->machine) seqim= seq;
}
}
}
if(seqeff) seq= seqeff;
else if(seqim) seq= seqim;
else seq= 0;
if(seq) {
se->se1= give_stripelem(seq, cfra);
}
else se->se1= 0;
}
}
ed->seqbasep= tempbase;
}
/* HELP FUNCTIONS FOR GIVE_IBUF_SEQ */
void do_seq_count_cfra(ListBase *seqbase, int *totseq, int cfra)
{
Sequence *seq;
seq= seqbase->first;
while(seq) {
if(seq->startdisp <=cfra && seq->enddisp > cfra) {
if(seq->seqbase.first) {
if(cfra< seq->start) do_seq_count_cfra(&seq->seqbase, totseq, seq->start);
else if(cfra> seq->start+seq->len-1) do_seq_count_cfra(&seq->seqbase, totseq, seq->start+seq->len-1);
else do_seq_count_cfra(&seq->seqbase, totseq, cfra);
}
(*totseq)++;
}
seq= seq->next;
}
}
void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
{
Sequence *seq;
StripElem *se;
Scene *oldsce;
unsigned int *rectot;
int oldx, oldy, oldcfra, doseq;
char name[FILE_MAXDIR];
seq= seqbase->first;
while(seq) {
/* set at zero because free_imbuf_seq... */
seq->curelem= 0;
if ((seq->type == SEQ_SOUND) && (seq->ipo)
&&(seq->startdisp<=cfra+2) && (seq->enddisp>cfra)) do_seq_ipo(seq);
if(seq->startdisp <=cfra && seq->enddisp > cfra) {
if(seq->seqbase.first) {
if(cfra< seq->start) do_build_seqar_cfra(&seq->seqbase, seqar, seq->start);
else if(cfra> seq->start+seq->len-1) do_build_seqar_cfra(&seq->seqbase, seqar, seq->start+seq->len-1);
else do_build_seqar_cfra(&seq->seqbase, seqar, cfra);
}
**seqar= seq;
(*seqar)++;
se=seq->curelem= give_stripelem(seq, cfra);
if(se) {
if(seq->type == SEQ_META) {
se->ok= 2;
if(se->se1==0) set_meta_stripdata(seq);
if(se->se1) {
se->ibuf= se->se1->ibuf;
}
}
else if(seq->type == SEQ_SOUND) {
se->ok= 2;
}
else if(seq->type & SEQ_EFFECT) {
/* test if image is too small: reload */
if(se->ibuf) {
if(se->ibuf->x < seqrectx || se->ibuf->y < seqrecty) {
IMB_freeImBuf(se->ibuf);
se->ibuf= 0;
}
}
/* does the effect should be recalculated? */
if(se->ibuf==0 || (se->se1 != seq->seq1->curelem) || (se->se2 != seq->seq2->curelem) || (se->se3 != seq->seq3->curelem)) {
se->se1= seq->seq1->curelem;
se->se2= seq->seq2->curelem;
se->se3= seq->seq3->curelem;
if(se->ibuf==0) se->ibuf= IMB_allocImBuf((short)seqrectx, (short)seqrecty, 32, IB_rect, 0);
do_effect(cfra, seq, se);
}
/* test size */
if(se->ibuf) {
if(se->ibuf->x != seqrectx || se->ibuf->y != seqrecty ) {
if(G.scene->r.mode & R_OSA)
IMB_scaleImBuf(se->ibuf, (short)seqrectx, (short)seqrecty);
else
IMB_scalefastImBuf(se->ibuf, (short)seqrectx, (short)seqrecty);
}
}
}
else if(seq->type < SEQ_EFFECT) {
if(se->ibuf) {
/* test if image too small: reload */
if(se->ibuf->x < seqrectx || se->ibuf->y < seqrecty) {
IMB_freeImBuf(se->ibuf);
se->ibuf= 0;
se->ok= 1;
}
}
if(seq->type==SEQ_IMAGE) {
if(se->ok && se->ibuf==0) {
/* if playanim or render: no waitcursor */
if((G.f & G_PLAYANIM)==0) waitcursor(1);
strcpy(name, seq->strip->dir);
strcat(name, se->name);
BLI_convertstringcode(name, G.sce, G.scene->r.cfra);
se->ibuf= IMB_loadiffname(name, IB_rect);
if((G.f & G_PLAYANIM)==0) waitcursor(0);
if(se->ibuf==0) se->ok= 0;
else {
if(se->ibuf->depth==32 && se->ibuf->zbuf==0) converttopremul(se->ibuf);
seq->strip->orx= se->ibuf->x;
seq->strip->ory= se->ibuf->y;
}
}
}
else if(seq->type==SEQ_MOVIE) {
if(se->ok && se->ibuf==0) {
/* if playanim r render: no waitcursor */
if((G.f & G_PLAYANIM)==0) waitcursor(1);
if(seq->anim==0) {
strcpy(name, seq->strip->dir);
strcat(name, seq->strip->stripdata->name);
BLI_convertstringcode(name, G.sce, G.scene->r.cfra);
seq->anim = openanim(name, IB_rect);
}
if(seq->anim) {
se->ibuf = IMB_anim_absolute(seq->anim, se->nr);
}
if(se->ibuf==0) se->ok= 0;
else {
if(se->ibuf->depth==32) converttopremul(se->ibuf);
seq->strip->orx= se->ibuf->x;
seq->strip->ory= se->ibuf->y;
if(seq->flag & SEQ_FILTERY) IMB_filtery(se->ibuf);
if(seq->mul==0.0) seq->mul= 1.0;
if(seq->mul != 1.0) multibuf(se->ibuf, seq->mul);
}
if((G.f & G_PLAYANIM)==0) waitcursor(0);
}
}
else if(seq->type==SEQ_SCENE && se->ibuf==0) {
View3D *vd;
oldsce= G.scene;
set_scene_bg(seq->scene);
/* prevent eternal loop */
doseq= G.scene->r.scemode & R_DOSEQ;
G.scene->r.scemode &= ~R_DOSEQ;
/* store stuffies */
oldcfra= CFRA; CFRA= seq->sfra + se->nr;
waitcursor(1);
rectot= R.rectot; R.rectot= 0;
oldx= R.rectx; oldy= R.recty;
/* needed because current 3D window cannot define the layers, like in a background render */
vd= G.vd;
G.vd= 0;
RE_initrender(NULL);
if (!G.background) {
if(R.r.mode & R_FIELDS) update_for_newframe_muted();
R.flag= 0;
free_filesel_spec(G.scene->r.pic);
}
se->ibuf= IMB_allocImBuf(R.rectx, R.recty, 32, IB_rect, 0);
if(R.rectot) memcpy(se->ibuf->rect, R.rectot, 4*R.rectx*R.recty);
if(R.rectz) {
se->ibuf->zbuf= (int *)R.rectz;
/* make sure ibuf frees it */
se->ibuf->mall |= IB_zbuf;
R.rectz= 0;
}
/* and restore */
G.vd= vd;
if((G.f & G_PLAYANIM)==0) waitcursor(0);
CFRA= oldcfra;
if(R.rectot) MEM_freeN(R.rectot);
R.rectot= rectot;
R.rectx=oldx; R.recty=oldy;
G.scene->r.scemode |= doseq;
set_scene_bg(oldsce);
/* restore!! */
R.rectx= seqrectx;
R.recty= seqrecty;
/* added because this flag is checked for
* movie writing when rendering an anim.
* very convoluted. fix. -zr
*/
R.r.imtype= G.scene->r.imtype;
}
/* size test */
if(se->ibuf) {
if(se->ibuf->x != seqrectx || se->ibuf->y != seqrecty ) {
if (G.scene->r.mode & R_FIELDS) {
if (seqrecty > 288) IMB_scalefieldImBuf(se->ibuf, (short)seqrectx, (short)seqrecty);
else {
IMB_de_interlace(se->ibuf);
if(G.scene->r.mode & R_OSA)
IMB_scaleImBuf(se->ibuf, (short)seqrectx, (short)seqrecty);
else
IMB_scalefastImBuf(se->ibuf, (short)seqrectx, (short)seqrecty);
}
}
else {
if(G.scene->r.mode & R_OSA)
IMB_scaleImBuf(se->ibuf,(short)seqrectx, (short)seqrecty);
else
IMB_scalefastImBuf(se->ibuf, (short)seqrectx, (short)seqrecty);
}
}
}
}
}
}
seq= seq->next;
}
}
ImBuf *give_ibuf_seq(int cfra)
{
Sequence **tseqar, **seqar;
Sequence *seq, *seqfirst=0;/* , *effirst=0; */
Editing *ed;
StripElem *se;
int seqnr, totseq;
/* we make recursively a 'stack' of sequences, these are
* sorted nicely as well.
* this method has been developed especially for stills before or after metas
*/
totseq= 0;
ed= G.scene->ed;
if(ed==0) return 0;
do_seq_count_cfra(ed->seqbasep, &totseq, cfra);
if(totseq==0) return 0;
seqrectx= (G.scene->r.size*G.scene->r.xsch)/100;
if(G.scene->r.mode & R_PANORAMA) seqrectx*= G.scene->r.xparts;
seqrecty= (G.scene->r.size*G.scene->r.ysch)/100;
/* tseqar is neede because in do_build_... the pointer changes */
seqar= tseqar= MEM_callocN(sizeof(void *)*totseq, "seqar");
/* this call loads and makes the ibufs */
do_build_seqar_cfra(ed->seqbasep, &seqar, cfra);
seqar= tseqar;
for(seqnr=0; seqnr<totseq; seqnr++) {
seq= seqar[seqnr];
se= seq->curelem;
if((seq->type != SEQ_SOUND) && (se)) {
if(seq->type==SEQ_META) {
/* bottom strip! */
if(seqfirst==0) seqfirst= seq;
else if(seqfirst->depth > seq->depth) seqfirst= seq;
else if(seqfirst->machine > seq->machine) seqfirst= seq;
}
else if(seq->type & SEQ_EFFECT) {
/* top strip! */
if(seqfirst==0) seqfirst= seq;
else if(seqfirst->depth > seq->depth) seqfirst= seq;
else if(seqfirst->machine < seq->machine) seqfirst= seq;
}
else if(seq->type < SEQ_EFFECT) { /* images */
/* bottom strip! a feature that allows you to store junk in locations above */
if(seqfirst==0) seqfirst= seq;
else if(seqfirst->depth > seq->depth) seqfirst= seq;
else if(seqfirst->machine > seq->machine) seqfirst= seq;
}
}
}
MEM_freeN(seqar);
if(!seqfirst) return 0;
if(!seqfirst->curelem) return 0;
return seqfirst->curelem->ibuf;
}
void free_imbuf_effect_spec(int cfra)
{
Sequence *seq;
StripElem *se;
Editing *ed;
int a;
ed= G.scene->ed;
if(ed==0) return;
WHILE_SEQ(&ed->seqbase) {
if(seq->strip) {
if(seq->type & SEQ_EFFECT) {
se= seq->strip->stripdata;
for(a=0; a<seq->len; a++, se++) {
if(se==seq->curelem && se->ibuf) {
IMB_freeImBuf(se->ibuf);
se->ibuf= 0;
se->ok= 1;
se->se1= se->se2= se->se3= 0;
}
}
}
}
}
END_SEQ
}
void free_imbuf_seq_except(int cfra)
{
Sequence *seq;
StripElem *se;
Editing *ed;
int a;
ed= G.scene->ed;
if(ed==0) return;
WHILE_SEQ(&ed->seqbase) {
if(seq->strip) {
if( seq->type==SEQ_META ) {
;
}
else {
se= seq->strip->stripdata;
for(a=0; a<seq->len; a++, se++) {
if(se!=seq->curelem && se->ibuf) {
IMB_freeImBuf(se->ibuf);
se->ibuf= 0;
se->ok= 1;
se->se1= se->se2= se->se3= 0;
}
}
}
if(seq->type==SEQ_MOVIE) {
if(seq->startdisp > cfra || seq->enddisp < cfra) {
if(seq->anim) {
IMB_free_anim(seq->anim);
seq->anim = 0;
}
}
}
}
}
END_SEQ
}
void free_imbuf_seq()
{
Sequence *seq;
StripElem *se;
Editing *ed;
int a;
ed= G.scene->ed;
if(ed==0) return;
WHILE_SEQ(&ed->seqbase) {
if(seq->strip) {
if( seq->type==SEQ_META ) {
;
}
else {
se= seq->strip->stripdata;
for(a=0; a<seq->len; a++, se++) {
if(se->ibuf) {
IMB_freeImBuf(se->ibuf);
se->ibuf= 0;
se->ok= 1;
se->se1= se->se2= se->se3= 0;
}
}
}
if(seq->type==SEQ_MOVIE) {
if(seq->anim) {
IMB_free_anim(seq->anim);
seq->anim = 0;
}
}
}
}
END_SEQ
}
void do_render_seq()
{
/* static ImBuf *lastibuf=0; */
ImBuf *ibuf;
/* copy image into R.rectot */
G.f |= G_PLAYANIM; /* waitcursor patch */
ibuf= give_ibuf_seq(CFRA);
if(ibuf) {
memcpy(R.rectot, ibuf->rect, 4*R.rectx*R.recty);
/* if (ibuf->zbuf) { */
/* if (R.rectz) freeN(R.rectz); */
/* R.rectz = BLI_dupallocN(ibuf->zbuf); */
/* } */
free_imbuf_seq_except(CFRA);
}
G.f &= ~G_PLAYANIM;
}
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