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Refinement of run-length spacing rule analyzes all of the maximum 

area rectangles returned by the "maxrect" function and so does
not get triggered simply by the length of the edge being checked.
This commit is contained in:
Tim Edwards 2018-09-21 14:42:59 -04:00
parent 65a4731541
commit 7b3c4e8777
1 changed files with 34 additions and 10 deletions
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44
drc/DRCbasic.c
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@ -563,12 +563,24 @@ drcTile (tile, arg)
{
if (mrd)
{
/* Run-length rule */
if ((cptr->drcc_cdist <= cptr->drcc_dist) ||
((edgeTop - edgeBot) > cptr->drcc_cdist))
if (cptr->drcc_cdist <= cptr->drcc_dist)
triggered = mrd->entries;
else
cptr = cptr->drcc_next;
else
{
/* Run-length rule */
for (i = 0; i < mrd->entries; i++)
{
lr = &mrd->rlist[i];
GeoClip(lr, arg->dCD_clip);
if ((lr->r_ytop - lr->r_ybot) > cptr->drcc_cdist)
{
triggered = mrd->entries;
break;
}
}
if (i == mrd->entries)
cptr = cptr->drcc_next;
}
}
else
cptr = cptr->drcc_next;
@ -930,12 +942,24 @@ checkbottom:
if (trigpending)
{
if (mrd)
/* Run-length rule */
if ((cptr->drcc_cdist <= cptr->drcc_dist) ||
((edgeRight - edgeLeft) > cptr->drcc_cdist))
if (cptr->drcc_cdist <= cptr->drcc_dist)
triggered = mrd->entries;
else
cptr = cptr->drcc_next;
else
{
/* Run-length rule */
for (i = 0; i < mrd->entries; i++)
{
lr = &mrd->rlist[i];
GeoClip(lr, arg->dCD_clip);
if ((lr->r_xtop - lr->r_xbot) > cptr->drcc_cdist)
{
triggered = mrd->entries;
break;
}
}
if (i == mrd->entries)
cptr = cptr->drcc_next;
}
else
cptr = cptr->drcc_next;
}