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patch from harkyman to make it possible to extend images to span more frames in the sequencer.

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Link includes example script
https://projects.blender.org/tracker/?func=detail&aid=6893&group_id=9&atid=127
This commit is contained in:
Campbell Barton
2007-06-29 05:33:43 +00:00
parent cdb07720ed
commit 684869fd74
1 changed files with 58 additions and 6 deletions
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64
source/blender/python/api2_2x/sceneSequence.c
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@@ -57,7 +57,9 @@ enum seq_consts {
EXPP_SEQ_ATTR_LENGTH,
EXPP_SEQ_ATTR_START,
EXPP_SEQ_ATTR_STARTOFS,
EXPP_SEQ_ATTR_ENDOFS
EXPP_SEQ_ATTR_ENDOFS,
EXPP_SEQ_ATTR_STARTSTILL,
EXPP_SEQ_ATTR_ENDSTILL
};
@@ -568,6 +570,12 @@ static PyObject *getIntAttr( BPy_Sequence *self, void *type )
case EXPP_SEQ_ATTR_ENDOFS:
param = seq->endofs;
break;
case EXPP_SEQ_ATTR_STARTSTILL:
param = seq->startstill;
break;
case EXPP_SEQ_ATTR_ENDSTILL:
param = seq->endstill;
break;
default:
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"undefined type in getFloatAttr" );
@@ -576,12 +584,26 @@ static PyObject *getIntAttr( BPy_Sequence *self, void *type )
return PyInt_FromLong( param );
}
/* internal functions for recursivly updating metastrip locatons */
static void intern_pos_update(Sequence * seq) {
/* update startdisp and enddisp */
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);
}
/* original Cambo code; replaced with c&p from function in blenkernel/sequence.c
seq->startdisp = seq->start + seq->startofs - seq->startstill;
seq->enddisp = ((seq->start + seq->len) - seq->endofs )+ seq->endstill;
seq->enddisp = ((seq->start + seq->len) - seq->endofs )+ seq->endstill; */
}
void intern_recursive_pos_update(Sequence * seq, int offset) {
@@ -621,9 +643,10 @@ static int setIntAttrClamp( BPy_Sequence *self, PyObject *value, void *type )
break;
case EXPP_SEQ_ATTR_STARTOFS:
CLAMP(number, 0, seq->len - seq->endofs);
if (self->seq->type == SEQ_EFFECT)
return EXPP_ReturnIntError( PyExc_RuntimeError,
"This property dosnt apply to an effect" );
CLAMP(number, 0, seq->len - seq->endofs);
seq->startofs = number;
break;
case EXPP_SEQ_ATTR_ENDOFS:
@@ -633,7 +656,28 @@ static int setIntAttrClamp( BPy_Sequence *self, PyObject *value, void *type )
CLAMP(number, 0, seq->len - seq->startofs);
seq->endofs = number;
break;
case EXPP_SEQ_ATTR_STARTSTILL:
if (self->seq->type == SEQ_EFFECT)
return EXPP_ReturnIntError( PyExc_RuntimeError,
"This property dosnt apply to an effect" );
CLAMP(number, 1, MAXFRAME);
seq->startstill = number;
break;
case EXPP_SEQ_ATTR_ENDSTILL:
if (self->seq->type == SEQ_EFFECT)
return EXPP_ReturnIntError( PyExc_RuntimeError,
"This property dosnt apply to an effect" );
CLAMP(number, seq->startstill+1, MAXFRAME);
seq->endstill = number;
break;
case EXPP_SEQ_ATTR_LENGTH:
if (self->seq->type == SEQ_EFFECT)
return EXPP_ReturnIntError( PyExc_RuntimeError,
"cannot set the length of an effect directly" );
CLAMP(number, 1, MAXFRAME);
origval = seq->len;
seq->start = number;
break;
default:
return EXPP_ReturnIntError( PyExc_RuntimeError,
"undefined type in setFloatAttrClamp" );
@@ -730,7 +774,15 @@ static PyGetSetDef BPy_Sequence_getseters[] = {
(getter)getIntAttr, (setter)setIntAttrClamp,
"",
(void *) EXPP_SEQ_ATTR_ENDOFS},
{"startStill",
(getter)getIntAttr, (setter)setIntAttrClamp,
"",
(void *) EXPP_SEQ_ATTR_STARTSTILL},
{"endStill",
(getter)getIntAttr, (setter)setIntAttrClamp,
"",
(void *) EXPP_SEQ_ATTR_ENDSTILL},
{"sel",
(getter)getFlagAttr, (setter)setFlagAttr,
"Sequence audio mute option",