240 lines
6.7 KiB
C++
240 lines
6.7 KiB
C++
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// The following contains classes and prototypes for most code of centerline vectorization.
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#include "tcenterlinevectP.h"
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// TnzLib includes
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#include "toonz/tcenterlinevectorizer.h"
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#include "toonz/Naa2TlvConverter.h"
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// TnzCore includes
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#include "tpalette.h"
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#include "tcolorstyles.h"
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#include "trastercm.h"
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#include "ttoonzimage.h"
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#include "trasterimage.h"
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#include "tvectorimage.h"
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#include "tgeometry.h"
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#include "tstroke.h"
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#include "tropcm.h"
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// STD includes
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#include <vector>
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#include <list>
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#include <queue>
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#include <map>
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#include <functional>
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#include <algorithm>
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#include <math.h>
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#include <assert.h>
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//==========================================================================
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//*********************************
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//* Further miscellaneous *
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//*********************************
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//--------------------------------------------------------------------------
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//Reduces strokes of image by currConfig->m_reduceThicknessRatio/100
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inline void reduceThickness(TVectorImageP image, double thicknessRatio)
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{
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thicknessRatio *= 0.01;
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unsigned int i;
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int j;
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for (i = 0; i < image->getStrokeCount(); ++i) {
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for (j = 0; j < image->getStroke(i)->getControlPointCount(); ++j) {
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TThickPoint newCP = image->getStroke(i)->getControlPoint(j);
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newCP.thick *= thicknessRatio;
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image->getStroke(i)->setControlPoint(j, newCP);
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}
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}
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}
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//========================================================================
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//Delete Skeleton graphs and list
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inline void deleteSkeletonList(SkeletonList *skeleton)
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{
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unsigned int i;
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for (i = 0; i < skeleton->size(); ++i)
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delete (*skeleton)[i];
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delete skeleton;
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}
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//========================================================================
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TVectorImageP copyStrokes(std::vector<TStroke *> &strokes)
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{
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unsigned int i;
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TVectorImageP result = new TVectorImage;
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for (i = 0; i < strokes.size(); ++i)
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if (strokes[i]->getStyle() >= 0)
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result->addStroke(strokes[i]);
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return result;
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}
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//========================================================================
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inline TThickPoint randomized(const TThickPoint &P)
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{
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TThickPoint Q = P;
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Q.x += ((((double)rand()) / RAND_MAX) - 0.5) * 0.1;
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Q.y += ((((double)rand()) / RAND_MAX) - 0.5) * 0.1;
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return Q;
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}
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//------------------------------------------------------------------------
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//Give stroke extremities a random shake. May help for region computing.
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void randomizeExtremities(TVectorImageP vi)
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{
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unsigned int i;
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for (i = 0; i < vi->getStrokeCount(); ++i) {
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TThickPoint P = vi->getStroke(i)->getControlPoint(0);
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vi->getStroke(i)->setControlPoint(0, randomized(P));
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int n = vi->getStroke(i)->getControlPointCount();
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P = vi->getStroke(i)->getControlPoint(n - 1);
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vi->getStroke(i)->setControlPoint(n - 1, randomized(P));
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}
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}
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//========================================================================
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//Looped frame
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inline void addFrameStrokes(TVectorImageP vi, TRasterP ras, TPalette *palette)
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{
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const double epsThick = 1.0;
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TStroke *frameStroke;
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std::vector<TThickPoint> CPs;
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CPs.push_back(TThickPoint(0, 0, epsThick));
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CPs.push_back(TThickPoint(ras->getLx() / 2.0, 0, epsThick));
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CPs.push_back(TThickPoint(ras->getLx(), 0, epsThick));
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CPs.push_back(TThickPoint(ras->getLx(), 0, epsThick));
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CPs.push_back(TThickPoint(ras->getLx(), 0, epsThick));
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CPs.push_back(TThickPoint(ras->getLx(), ras->getLy() / 2.0, epsThick));
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CPs.push_back(TThickPoint(ras->getLx(), ras->getLy(), epsThick));
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CPs.push_back(TThickPoint(ras->getLx(), ras->getLy(), epsThick));
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CPs.push_back(TThickPoint(ras->getLx(), ras->getLy(), epsThick));
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CPs.push_back(TThickPoint(ras->getLx() / 2.0, ras->getLy(), epsThick));
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CPs.push_back(TThickPoint(0, ras->getLy(), epsThick));
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CPs.push_back(TThickPoint(0, ras->getLy(), epsThick));
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CPs.push_back(TThickPoint(0, ras->getLy(), epsThick));
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CPs.push_back(TThickPoint(0, ras->getLy() / 2.0, epsThick));
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CPs.push_back(TThickPoint(0, 0, epsThick));
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frameStroke = new TStroke(CPs);
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frameStroke->setStyle(0);
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frameStroke->setSelfLoop(true);
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vi->addStroke(frameStroke);
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}
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//========================================================================
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//Returns if input stroke is edge boundary of an ink-filled region
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bool VectorizerCore::isInkRegionEdge(TStroke *stroke)
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{
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return stroke->getFlag(SkeletonArc::SS_OUTLINE);
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}
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//Similar as above
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bool VectorizerCore::isInkRegionEdgeReversed(TStroke *stroke)
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{
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return stroke->getFlag(SkeletonArc::SS_OUTLINE_REVERSED);
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}
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void VectorizerCore::clearInkRegionFlags(TVectorImageP vi)
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{
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int flag = SkeletonArc::SS_OUTLINE | SkeletonArc::SS_OUTLINE_REVERSED;
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for (int i = 0; i < (int)vi->getStrokeCount(); i++)
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vi->getStroke(i)->setFlag(flag, false);
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}
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//==========================================================================
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//************************
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//* Vectorizer Main *
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//************************
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//--------------------------------------------------------------------------
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TVectorImageP VectorizerCore::centerlineVectorize(
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TImageP &image, const CenterlineConfiguration &configuration, TPalette *palette)
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{
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TRasterImageP ri = image;
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TToonzImageP ti = image;
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TRasterP ras;
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if (ri)
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ras = ri->getRaster();
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else {
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ras = ti->getRaster()->clone();
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TRop::expandPaint(ras);
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}
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if (configuration.m_naaSource) {
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if (TRaster32P ras32 = ras) {
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Naa2TlvConverter converter;
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converter.process(ras32);
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converter.setPalette(palette);
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if (ti = converter.makeTlv(true)) // Transparent synthetic inks
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{
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image = ti;
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ras = ti->getRaster();
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TRop::expandPaint(ras);
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}
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}
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}
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VectorizerCoreGlobals globals;
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globals.currConfig = &configuration;
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Contours polygons;
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polygonize(ras, polygons, globals);
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//Most time-consuming part of vectorization, 'this' is passed to inform of partial progresses
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SkeletonList *skeletons = skeletonize(polygons, this, globals);
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if (isCanceled()) {
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//Clean and return 0 at cancel command
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deleteSkeletonList(skeletons);
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return TVectorImageP();
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}
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organizeGraphs(skeletons, globals);
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//junctionRecovery(polygons); //Da' problemi per maxThickness<inf... sarebbe da rendere compatibile
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std::vector<TStroke *> sortibleResult;
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TVectorImageP result;
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calculateSequenceColors(ras, globals); //Extract stroke colors here
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conversionToStrokes(sortibleResult, globals);
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applyStrokeColors(sortibleResult, ras, palette, globals); //Strokes get sorted here
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result = copyStrokes(sortibleResult);
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//Further misc adjustments
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if (globals.currConfig->m_thicknessRatio < 100)
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reduceThickness(result, configuration.m_thicknessRatio);
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if (globals.currConfig->m_maxThickness == 0.0)
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for (unsigned int i = 0; i < result->getStrokeCount(); ++i)
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result->getStroke(i)->setSelfLoop(true);
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if (globals.currConfig->m_makeFrame)
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addFrameStrokes(result, ras, palette);
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//randomizeExtremities(result); //Cuccio random - non serve...
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deleteSkeletonList(skeletons);
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return result;
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}
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