int scanForEdge(int first,int last){
//direction parameters for edge tracking
//moves to first edge location
int i;
scanRegion(first,last);
direction=(rsigns[nstep-1]-rsigns[0])/2; //is it getting brighter or darker?
if(last<first) direction*=-1;
i=0;
while(direction*(threshold-readings[i])>0) i++;
return(first+i*step);
}
int scanForLine(int first,int last){
//looks for transition
//assumes line is brighter
int i;
int rmax,imax;
scanRegion(first,last);
rmax=-10000;
for(i=0;i<nstep;i++){
if(readings[i]>rmax) { imax=i; rmax=readings[i]; }
}
threshold=(rmax+avgM)/2; //adjustment for thin line (average of peak can be depressed)
return(first+imax*step);//returns location of max
}
void stroke_autofill_learn(const TVectorImageP &imgToLearn, TStroke *stroke) {
if (!imgToLearn || !stroke || stroke->getControlPointCount() == 0) return;
TVectorImage appImg;
TStroke *appStroke = new TStroke(*stroke);
appImg.addStroke(appStroke);
appImg.findRegions();
double pbx, pby;
double totalArea = 0;
pbx = pby = 0;
if (!regionsReference.isEmpty()) regionsReference.clear();
int i, j, index = 0;
for (i = 0; i < (int)imgToLearn->getRegionCount(); i++) {
TRegion *currentRegion = imgToLearn->getRegion(i);
for (j = 0; j < (int)appImg.getRegionCount(); j++) {
TRegion *region = appImg.getRegion(j);
if (contains(region, currentRegion)) {
scanRegion(currentRegion, index, regionsReference, region->getBBox());
index++;
int k, subRegionCount = currentRegion->getSubregionCount();
for (k = 0; k < subRegionCount; k++) {
TRegion *subRegion = currentRegion->getSubregion(k);
if (contains(region, subRegion))
scanSubRegion(subRegion, index, regionsReference,
region->getBBox());
}
}
}
}
QMap<int, Region>::Iterator it;
for (it = regionsReference.begin(); it != regionsReference.end(); it++) {
pbx += it.value().m_barycentre.x;
pby += it.value().m_barycentre.y;
totalArea += it.value().m_area;
}
if (totalArea > 0)
referenceB = TPointD(pbx / totalArea, pby / totalArea);
else
referenceB = TPointD(0.0, 0.0);
}
bool do_card_ptr(jbyte* card_ptr, int worker_i) {
// Construct the region representing the card.
HeapWord* start = _ct_bs->addr_for(card_ptr);
// And find the region containing it.
HeapRegion* r = _g1->heap_region_containing(start);
assert(r != NULL, "unexpected null");
// Scan oops in the card looking for references into the collection set
HeapWord* end = _ct_bs->addr_for(card_ptr + 1);
MemRegion scanRegion(start, end);
UpdateRSetImmediate update_rs_cl(_g1->g1_rem_set());
FilterIntoCSClosure update_rs_cset_oop_cl(NULL, _g1, &update_rs_cl);
FilterOutOfRegionClosure filter_then_update_rs_cset_oop_cl(r, &update_rs_cset_oop_cl);
// We can pass false as the "filter_young" parameter here as:
// * we should be in a STW pause,
// * the DCQS to which this closure is applied is used to hold
// references that point into the collection set from the prior
// RSet updating,
// * the post-write barrier shouldn't be logging updates to young
// regions (but there is a situation where this can happen - see
// the comment in G1RemSet::concurrentRefineOneCard below -
// that should not be applicable here), and
// * during actual RSet updating, the filtering of cards in young
// regions in HeapRegion::oops_on_card_seq_iterate_careful is
// employed.
// As a result, when this closure is applied to "refs into cset"
// DCQS, we shouldn't see any cards in young regions.
update_rs_cl.set_region(r);
HeapWord* stop_point =
r->oops_on_card_seq_iterate_careful(scanRegion,
&filter_then_update_rs_cset_oop_cl,
false /* filter_young */);
// Since this is performed in the event of an evacuation failure, we
// we shouldn't see a non-null stop point
assert(stop_point == NULL, "saw an unallocated region");
return true;
}
void rect_autofill_learn(const TVectorImageP &imgToLearn, const TRectD &rect)
{
if (rect.getLx() * rect.getLy() < MIN_SIZE) return;
double pbx, pby;
double totalArea = 0;
pbx = pby = 0;
if (!regionsReference.isEmpty()) regionsReference.clear();
int i, index = 0, regionCount = imgToLearn->getRegionCount();
for (i = 0; i < regionCount; i++) {
TRegion *region = imgToLearn->getRegion(i);
if (rect.contains(region->getBBox())) {
scanRegion(region, index, regionsReference, rect);
index++;
}
int j, subRegionCount = region->getSubregionCount();
for (j = 0; j < subRegionCount; j++) {
TRegion *subRegion = region->getSubregion(j);
if (rect.contains(subRegion->getBBox()))
scanSubRegion(subRegion, index, regionsReference, rect);
}
}
QMap<int, Region>::Iterator it;
for (it = regionsReference.begin(); it != regionsReference.end(); it++) {
pbx += it.value().m_barycentre.x;
pby += it.value().m_barycentre.y;
totalArea += it.value().m_area;
}
if (totalArea > 0)
referenceB = TPointD(pbx / totalArea, pby / totalArea);
else
referenceB = TPointD(0.0, 0.0);
}
bool stroke_autofill_apply(const TVectorImageP &imgToApply, TStroke *stroke,
bool selective) {
if (!imgToApply || !stroke || stroke->getControlPointCount() == 0)
return false;
TVectorImage appImg;
TStroke *appStroke = new TStroke(*stroke);
appImg.addStroke(appStroke);
appImg.findRegions();
if (regionsReference.size() <= 0) return false;
double pbx, pby;
double totalArea = 0;
pbx = pby = 0.0;
if (!regionsWork.isEmpty()) regionsWork.clear();
int i, j, index = 0;
for (i = 0; i < (int)imgToApply->getRegionCount(); i++) {
TRegion *currentRegion = imgToApply->getRegion(i);
for (j = 0; j < (int)appImg.getRegionCount(); j++) {
TRegion *region = appImg.getRegion(j);
if (contains(region, currentRegion)) {
scanRegion(currentRegion, index, regionsWork, region->getBBox());
index++;
int k, subRegionCount = currentRegion->getSubregionCount();
for (k = 0; k < subRegionCount; k++) {
TRegion *subRegion = currentRegion->getSubregion(k);
if (contains(region, subRegion))
scanSubRegion(subRegion, index, regionsWork, region->getBBox());
}
}
}
}
if (regionsWork.size() <= 0) return false;
QMap<int, Region>::Iterator it;
for (it = regionsWork.begin(); it != regionsWork.end(); it++) {
pbx += it.value().m_barycentre.x;
pby += it.value().m_barycentre.y;
totalArea += it.value().m_area;
}
workB = TPointD(pbx / totalArea, pby / totalArea);
std::vector<MatchingProbs> probVector;
RegionDataList::Iterator refIt, workIt;
for (refIt = regionsReference.begin(); refIt != regionsReference.end();
refIt++)
for (workIt = regionsWork.begin(); workIt != regionsWork.end(); workIt++)
assignProbs(probVector, refIt.value(), workIt.value(), refIt.key(),
workIt.key());
bool filledRegions = false;
for (refIt = regionsReference.begin(); refIt != regionsReference.end();
refIt++) {
int to = 0, from = 0;
int valore = 0;
do
valore = match(probVector, from, to);
while ((regionsWork[to].m_match != -1 ||
regionsReference[from].m_match != -1) &&
valore > 0);
if (valore > AMB_TRESH) {
regionsWork[to].m_match = from;
regionsReference[from].m_match = to;
regionsWork[to].m_styleId = regionsReference[from].m_styleId;
TRegion *reg = regionsWork[to].m_region;
if (reg && (!selective || selective && reg->getStyle() == 0)) {
reg->setStyle(regionsWork[to].m_styleId);
filledRegions = true;
}
}
}
return filledRegions;
}
bool rect_autofill_apply(const TVectorImageP &imgToApply, const TRectD &rect,
bool selective) {
if (rect.getLx() * rect.getLy() < MIN_SIZE) return false;
if (regionsReference.size() <= 0) return false;
double pbx, pby;
double totalArea = 0;
pbx = pby = 0.0;
if (!regionsWork.isEmpty()) regionsWork.clear();
int i, index = 0, regionCount = imgToApply->getRegionCount();
for (i = 0; i < regionCount; i++) {
TRegion *region = imgToApply->getRegion(i);
TRectD bbox = region->getBBox();
if (rect.contains(bbox)) {
scanRegion(region, index, regionsWork, rect);
index++;
}
int j, subRegionCount = region->getSubregionCount();
for (j = 0; j < subRegionCount; j++) {
TRegion *subRegion = region->getSubregion(j);
if (rect.contains(subRegion->getBBox()))
scanSubRegion(subRegion, index, regionsWork, rect);
}
}
if (regionsWork.size() <= 0) return false;
QMap<int, Region>::Iterator it;
for (it = regionsWork.begin(); it != regionsWork.end(); it++) {
pbx += it.value().m_barycentre.x;
pby += it.value().m_barycentre.y;
totalArea += it.value().m_area;
}
workB = TPointD(pbx / totalArea, pby / totalArea);
std::vector<MatchingProbs> probVector;
RegionDataList::Iterator refIt, workIt;
for (refIt = regionsReference.begin(); refIt != regionsReference.end();
refIt++)
for (workIt = regionsWork.begin(); workIt != regionsWork.end(); workIt++)
assignProbs(probVector, refIt.value(), workIt.value(), refIt.key(),
workIt.key());
bool filledRegions = false;
for (refIt = regionsReference.begin(); refIt != regionsReference.end();
refIt++) {
int to = 0, from = 0;
int valore = 0;
do
valore = match(probVector, from, to);
while ((regionsWork[to].m_match != -1 ||
regionsReference[from].m_match != -1) &&
valore > 0);
if (valore > AMB_TRESH) {
regionsWork[to].m_match = from;
regionsReference[from].m_match = to;
regionsWork[to].m_styleId = regionsReference[from].m_styleId;
TRegion *reg = regionsWork[to].m_region;
if (reg && (!selective || selective && reg->getStyle() == 0)) {
reg->setStyle(regionsWork[to].m_styleId);
filledRegions = true;
}
}
}
return filledRegions;
}
