Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#include "tools/tool.h"
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#include "tools/toolutils.h"
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#include "tools/cursors.h"
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#include "tstrokeutil.h"
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#include "tmathutil.h"
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#include "tgl.h"
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#include "tstroke.h"
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Toshihiro Shimizu 890ddd
#include "toonz/tobjecthandle.h"
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#include "toonz/txshlevelhandle.h"
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#include "toonz/tstageobject.h"
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#ifdef _DEBUG
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#include "tcolorstyles.h"
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#include "tsimplecolorstyles.h"
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#include "tstrokeoutline.h"
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#include "tpalette.h"
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#endif
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
using namespace ToolUtils;
Toshihiro Shimizu 890ddd
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namespace {
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const int MY_ERROR = -1;
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//=============================================================================
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// Iron
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//-----------------------------------------------------------------------------
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// index must be between 0 and controlPointCount-1
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inline bool isIncluded(int index, int left, int rigth) {
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  if (left < rigth) {
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    return left <= index && index <= rigth;
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  } else {
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    return left <= index || index <= rigth;
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  }
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}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//=============================================================================
Toshihiro Shimizu 890ddd
// IronTool
Toshihiro Shimizu 890ddd
//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class IronTool final : public TTool {
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  TStroke *m_strokeRef, *m_oldStroke;
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  TUndo *m_undo;
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  DoublePair m_range;
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  bool m_draw;
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  bool m_dragged;
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  TThickPoint m_cursor;
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  int m_selectedStroke;
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  TPointD m_beginPoint;
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  int m_cpIndexMin, m_cpIndexMax;
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  bool m_active;
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  int m_cursorId;
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public:
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  IronTool()
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      : TTool("T_Iron")
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      , m_strokeRef(0)
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      , m_draw(false)
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      , m_active(false)
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      , m_dragged(false)
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      , m_undo(0)
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      , m_cpIndexMin(-1)
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      , m_cpIndexMax(-1)
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      , m_oldStroke(0)
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      , m_cursorId(ToolCursor::IronCursor) {
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    bind(TTool::Vectors);
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  }
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  ToolType getToolType() const override { return TTool::LevelWriteTool; }
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  void draw() override {
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    if (m_draw && (TVectorImageP)getImage(false)) {
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      glColor3d(1, 0, 1);
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      if (m_cursor.thick > 0) tglDrawCircle(m_cursor, m_cursor.thick);
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      tglDrawCircle(m_cursor, m_cursor.thick + 4 * getPixelSize());
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    }
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  }
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  void leftButtonDown(const TPointD &pos, const TMouseEvent &) override {
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    if (getViewer() && getViewer()->getGuidedStrokePickerMode()) {
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      getViewer()->doPickGuideStroke(pos);
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      return;
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    }
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    if (m_active) return;
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    assert(m_undo == 0);
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    m_active = false;
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    TVectorImageP vi = TImageP(getImage(true));
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    if (!vi) return;
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    // select nearest stroke and finds its parameter
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    double dist;
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    UINT stroke;
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    if (!vi->getNearestStroke(pos, m_range.first, stroke, dist)) {
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      m_strokeRef      = 0;
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      m_selectedStroke = MY_ERROR;
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      m_draw           = false;
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    } else {
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      m_draw           = true;
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      m_active         = true;
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      m_strokeRef      = vi->getStroke(stroke);
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      m_selectedStroke = stroke;
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      m_beginPoint     = m_strokeRef->getPoint(m_range.first);
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      m_oldStroke      = new TStroke(*vi->getStroke(stroke));
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      m_range.second = m_range.first;
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      if (TTool::getApplication()->getCurrentObject()->isSpline())
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        m_undo = new UndoPath(
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            getXsheet()->getStageObject(getObjectId())->getSpline());
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      else {
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        TXshSimpleLevel *sl =
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            TTool::getApplication()->getCurrentLevel()->getSimpleLevel();
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        assert(sl);
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        TFrameId id = getCurrentFid();
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        m_undo      = new UndoModifyStrokeAndPaint(sl, id, stroke);
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      }
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    }
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    if (m_strokeRef) m_cpIndexMin = m_strokeRef->getControlPointCount();
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    m_cpIndexMax                  = -1;
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    invalidate();
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  }
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  void leftButtonDrag(const TPointD &pos, const TMouseEvent &e) override {
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    TVectorImageP vi(getImage(true));
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    if (!m_active || !vi || !m_strokeRef) {
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      delete m_undo;
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      m_undo = 0;
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      return;
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    }
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    m_range.second = m_strokeRef->getW(pos);
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    m_cursor       = m_strokeRef->getThickPoint(m_range.second);
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    double v0        = std::min(m_range.first, m_range.second);
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    double v1        = std::max(m_range.first, m_range.second);
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    const double eps = 0.005;
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    if (v1 - v0 < eps && !(m_strokeRef->isSelfLoop() && 1 - (v1 - v0) < eps)) {
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      invalidate();
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      return;
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    }
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    TPointD point2 = m_strokeRef->getPoint(m_range.second);
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    double tdist2  = tdistance2(m_beginPoint, point2);
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    double pixelSize = getPixelSize();
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    if (tdist2 < 100 * pixelSize * pixelSize) {
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      invalidate();
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      return;
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    }
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    double draggedStrokeLen = m_strokeRef->getLength(v0, v1);
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    double totalStrokeLen = m_strokeRef->getLength();
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    bool direction = !m_strokeRef->isSelfLoop() ||
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                     draggedStrokeLen < totalStrokeLen - draggedStrokeLen;
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    if (!direction) {
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      draggedStrokeLen = totalStrokeLen - draggedStrokeLen;
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      std::swap(v0, v1);
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    }
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    // se la lunghezza della parte di stroke tra i due punti di inizio e fine
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    // drag
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    // e' piu' del quadruplo della distanza tra i due punti, allora non si fa
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    // nulla perche'
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    // molto probabilmente si sta facendo drag tra due punti vicini di una curva
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    // piu' lunga
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    if ((draggedStrokeLen * draggedStrokeLen) > 16.0 * tdist2) {
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      m_beginPoint = point2;
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      return;
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    }
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    int i;
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    int maxCP = m_strokeRef->getControlPointCount() - 1;
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    // iCP0 is the control point index before v0 (or just on v0)
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    int iCP0 = (int)(maxCP * v0);
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    int iCP1 = m_strokeRef->getControlPointIndexAfterParameter(v1);
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    if (iCP0 > maxCP) {
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      if (!direction)
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        iCP0 = maxCP;
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      else {
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        invalidate();
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        return;
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      }
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    }
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    if (iCP1 > maxCP) iCP1 = maxCP;
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    if (direction && (iCP1 - iCP0) < 2) {
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      invalidate();
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      return;
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    }
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    if (!direction && maxCP + 1 - (iCP1 - iCP0) < 3) {
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      invalidate();
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      return;
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    }
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    //*********************************************** point of no return
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    //**************************
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    m_dragged    = true;
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    m_beginPoint = point2;
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    if (!m_strokeRef->isSelfLoop()) {
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      if (m_cpIndexMin > iCP0) m_cpIndexMin = iCP0;
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      if (m_cpIndexMax < iCP1) m_cpIndexMax = iCP1;
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    } else {
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      if (m_cpIndexMin == m_strokeRef->getControlPointCount() &&
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          m_cpIndexMax == -1) {
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        m_cpIndexMin = iCP0;
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        m_cpIndexMax = iCP1;
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      } else {
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        if (isIncluded(iCP0, m_cpIndexMin, m_cpIndexMax)) {
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          if (!isIncluded(iCP1, m_cpIndexMin, m_cpIndexMax)) {
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            m_cpIndexMax = iCP1;
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          }
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        } else if (isIncluded(iCP1, m_cpIndexMin, m_cpIndexMax)) {
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          assert(!isIncluded(iCP0, m_cpIndexMin, m_cpIndexMax));
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          m_cpIndexMin = iCP0;
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        } else {
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          int sgn             = tsign(m_range.second - m_range.first);
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          if (!direction) sgn = -sgn;
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          switch (sgn) {
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          case 1:
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            m_cpIndexMax = iCP1;
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            break;
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          case -1:
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            m_cpIndexMin = iCP0;
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            break;
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          case 0:
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            assert(0);
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          default:
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            assert(0);
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          }
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        }
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      }
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    }
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    m_range.first = m_range.second;
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    assert(m_cpIndexMin != m_cpIndexMax);
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    v0 = m_strokeRef->getParameterAtControlPoint(iCP0);
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    v1 = m_strokeRef->getParameterAtControlPoint(iCP1);
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    // double smoothFactor =
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    // getApplication()->getVectorToolsParameters().getToolSize();
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    // smoothFactor *= 0.01;
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    // smoothFactor = (smoothFactor*smoothFactor*smoothFactor)*0.7;
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    const double smoothFactor = 0.08;
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    double wDistance = (direction) ? v1 - v0 : 1 - (v0 - v1);
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    double smoothFP = smoothFactor / wDistance;
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    TPointD pf0 = m_strokeRef->getControlPoint(iCP0) * smoothFP;
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    TPointD pf1 = m_strokeRef->getControlPoint(iCP1) * smoothFP;
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    TPointD appDPoint;
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    TThickPoint appThickPoint;
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    double oppSmoothFactor = 1.0 - smoothFactor;
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    double vp, v1vp, vpv0;
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    i = (iCP0 == maxCP || (iCP0 == 0 && !direction)) ? 1 : iCP0 + 1;
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    for (; i != iCP1;) {
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      vp = m_strokeRef->getParameterAtControlPoint(i);
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      appThickPoint = m_strokeRef->getControlPoint(i);
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      appDPoint     = appThickPoint;
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      v1vp = v1 - vp;
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      if (v1vp < 0) {
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        if (!direction)
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          v1vp += 1;
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        else
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          assert(0);
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      }
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      vpv0 = vp - v0;
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      if (vpv0 < 0) {
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        if (!direction)
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          vpv0 += 1;
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        else
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          assert(0);
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      }
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      assert(isAlmostZero(v1vp + vpv0 - wDistance));
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      assert(isAlmostZero((smoothFP * v1vp + smoothFP * vpv0) +
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                          oppSmoothFactor - 1.0));
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      m_strokeRef->setControlPoint(
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          i, TThickPoint(pf0 * v1vp + pf1 * vpv0 + appDPoint * oppSmoothFactor,
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                         appThickPoint.thick));
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      // this is like
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      //
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      // averageP = ( p0*(v1-vp)/(v1-v0) + p1*(vp-v0)/(v1-v0));
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      // newCP(i) = oldCP(i)*(1-smoothFactor) + averageP*smoothFactor
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      //
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      // but faster
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      i++;
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      if (i == maxCP + 1) {
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        m_strokeRef->setControlPoint(0, m_strokeRef->getControlPoint(maxCP));
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        i = 1;
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      }
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    }
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    m_strokeRef->invalidate();
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    invalidate();
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    notifyImageChanged();
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  }
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  void leftButtonUp(const TPointD &pos, const TMouseEvent &) override {
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    if (!m_active) return;
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    m_active = false;
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    invalidate();
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    TVectorImageP vi(getImage(true));
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    if (!vi || !m_strokeRef || !m_dragged) {
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      delete m_undo;
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      m_undo = 0;
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      return;
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    }
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    QMutexLocker lock(vi->getMutex());
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    // TStroke *oldStroke = new TStroke(*(vi->getStroke(m_selectedStroke)));
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    //------------------------------------------------------------------------------
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    UINT cpCount = m_strokeRef->getControlPointCount();
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    m_cpIndexMin &= ~1;  // nearest even value less or equal to m_cpIndexMin
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    if (m_cpIndexMax & 1)  // odd
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      m_cpIndexMax++;
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    int i      = 0;
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    UINT count = 0;
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    if ((m_cpIndexMin == 0 && (UINT)m_cpIndexMax == cpCount - 1) ||
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        (m_cpIndexMin == m_cpIndexMax && m_strokeRef->isSelfLoop())) {
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      /*
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e' meglio rilevarli i corners.
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Tanto se hai appiattito abbastanza, se ne vanno da soli,
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senza lasciare ingrati compiti alla reuceControlPoints
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Altrimenti non si fa altro che aumentarli i punti di controllo
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*/
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      std::vector<int> corners;</int>
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      corners.push_back(0);
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      detectCorners(m_strokeRef, 45, corners);
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      corners.push_back(m_strokeRef->getChunkCount());
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      m_strokeRef->reduceControlPoints(2.0 * getPixelSize(), corners);
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    } else {
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      if (m_cpIndexMin < m_cpIndexMax) {
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        std::vector<tthickpoint> hitPoints(m_cpIndexMax - m_cpIndexMin + 1);</tthickpoint>
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        count = 0;
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        for (i = m_cpIndexMin; i <= m_cpIndexMax; i++) {
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          hitPoints[count++] = m_strokeRef->getControlPoint(i);
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        }
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        TStroke *newStroke = new TStroke(hitPoints);
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        std::vector<int> corners;</int>
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        corners.push_back(0);
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        detectCorners(newStroke, 45, corners);
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        corners.push_back(newStroke->getChunkCount());
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        newStroke->reduceControlPoints(2.0 * getPixelSize(), corners);
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        hitPoints.resize(m_cpIndexMin + newStroke->getControlPointCount() +
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                         cpCount - 1 - m_cpIndexMax);
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        count = 0;
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        for (i = 0; i < m_cpIndexMin; i++) {
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          hitPoints[count++] = m_strokeRef->getControlPoint(i);
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        }
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        for (i = 0; i < newStroke->getControlPointCount(); i++) {
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          hitPoints[count++] = newStroke->getControlPoint(i);
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        }
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        for (i = m_cpIndexMax + 1; i < (int)cpCount; i++) {
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          hitPoints[count++] = m_strokeRef->getControlPoint(i);
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        }
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        m_strokeRef->reshape(&hitPoints[0], hitPoints.size());
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        delete newStroke;
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      } else {
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        assert(m_cpIndexMin != m_cpIndexMax);
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        std::vector<tthickpoint> hitPoints(cpCount - m_cpIndexMin);</tthickpoint>
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        count = 0;
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        for (i = m_cpIndexMin; i < (int)cpCount; i++) {
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          hitPoints[count++] = m_strokeRef->getControlPoint(i);
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        }
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        TStroke *newStroke1 = new TStroke(hitPoints);
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        std::vector<int> corners;</int>
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        corners.push_back(0);
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        detectCorners(newStroke1, 45, corners);
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        corners.push_back(newStroke1->getChunkCount());
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        newStroke1->reduceControlPoints(2.0 * getPixelSize(), corners);
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        hitPoints.resize(m_cpIndexMax + 1);
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        count = 0;
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        for (i = 0; i <= m_cpIndexMax; i++) {
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          hitPoints[count++] = m_strokeRef->getControlPoint(i);
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        }
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        TStroke *newStroke2 = new TStroke(hitPoints);
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        corners.clear();
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        corners.push_back(0);
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        detectCorners(newStroke2, 45, corners);
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        corners.push_back(newStroke2->getChunkCount());
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        newStroke2->reduceControlPoints(2.0 * getPixelSize(), corners);
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        hitPoints.resize(newStroke1->getControlPointCount() +
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                         newStroke2->getControlPointCount() + m_cpIndexMin -
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                         m_cpIndexMax - 1);
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        count = 0;
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        for (i = 0; i < newStroke2->getControlPointCount(); i++) {
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          hitPoints[count++] = newStroke2->getControlPoint(i);
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        }
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        for (i = m_cpIndexMax + 1; i < m_cpIndexMin; i++) {
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          hitPoints[count++] = m_strokeRef->getControlPoint(i);
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        }
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        for (i = 0; i < newStroke1->getControlPointCount(); i++) {
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          hitPoints[count++] = newStroke1->getControlPoint(i);
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        }
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        m_strokeRef->reshape(&hitPoints[0], hitPoints.size());
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        delete newStroke1;
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        delete newStroke2;
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      }
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    }
Shinya Kitaoka 120a6e
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    invalidate();
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    m_dragged = false;
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    assert(m_undo);
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    assert(m_oldStroke);
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    vi->notifyChangedStrokes(m_selectedStroke, m_oldStroke);
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    TUndoManager::manager()->add(m_undo);
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    m_undo = 0;
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    delete m_oldStroke;
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  }
Shinya Kitaoka 120a6e
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  void invalidateCursorArea() {
Shinya Kitaoka 120a6e
    double r = m_cursor.thick + 6;
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    TPointD d(r, r);
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    invalidate(TRectD(m_cursor - d, m_cursor + d));
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  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  void mouseMove(const TPointD &pos, const TMouseEvent &e) override {
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    TVectorImageP vi = TImageP(getImage(true));
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    if (!vi) {
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      m_draw = false;
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      return;
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    }
Shinya Kitaoka 120a6e
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    // select nearest stroke and finds its parameter
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    double dist, pW;
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    UINT stroke;
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    if (vi->getNearestStroke(pos, pW, stroke, dist)) {
Shinya Kitaoka 120a6e
      m_draw             = true;
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      TStroke *strokeRef = vi->getStroke(stroke);
Shinya Kitaoka 120a6e
      m_cursor           = strokeRef->getThickPoint(pW);
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    } else {
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      m_draw = false;
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    }
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    invalidate();
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  }
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  bool moveCursor(const TPointD &pos) { return false; }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  void onActivate() override {
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    //      getApplication()->editImageOrSpline();
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  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  void onLeave() override { m_draw = false; }
Shinya Kitaoka 120a6e
manongjohn 40a40e
  int getCursorId() const override {
manongjohn 40a40e
    if (m_viewer && m_viewer->getGuidedStrokePickerMode())
manongjohn 40a40e
      return m_viewer->getGuidedStrokePickerCursor();
manongjohn 40a40e
    return m_cursorId;
manongjohn 40a40e
  }
Shinya Kitaoka 473e70
  void onEnter() override {
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    m_draw = true;
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    if ((TVectorImageP)getImage(false))
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      m_cursorId = ToolCursor::IronCursor;
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    else
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      m_cursorId = ToolCursor::CURSOR_NO;
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  }
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
} ironTool;
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
#ifdef _DEBUG
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void drawPoint(const TPointD &p, double pixelSize) {
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  double sizeX = pixelSize;
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  double sizeY = pixelSize;
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  glBegin(GL_QUADS);
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  glVertex2d(p.x - sizeX, p.y - sizeY);
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  glVertex2d(p.x - sizeX, p.y + sizeY);
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  glVertex2d(p.x + sizeX, p.y + sizeY);
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  glVertex2d(p.x + sizeX, p.y - sizeY);
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  glEnd();
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  return;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//-----------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void drawControlPoints(const TStroke *&stroke, double pixelSize) {
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  int n = stroke->getChunkCount();
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  int i = 0;
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  for (i = 0; i < n; ++i) {
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    const TThickQuadratic *chunk = stroke->getChunk(i);
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    TPointD p0                   = chunk->getP0();
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    TPointD p1                   = chunk->getP1();
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    glColor3d(1.0, 0.0, 0.0);
Shinya Kitaoka 120a6e
    drawPoint(p0, pixelSize);
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    glColor3d(1.0, 1.0, 1.0);
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    drawPoint(p1, pixelSize);
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  }
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  const TThickQuadratic *chunk = stroke->getChunk(n - 1);
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  glColor3d(1.0, 0.0, 0.0);
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  TPointD p2 = chunk->getP2();
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  drawPoint(p2, pixelSize);
Shinya Kitaoka 120a6e
  return;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
// end solo per debug
Toshihiro Shimizu 890ddd
#endif
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
}  // namespace
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
// TTool *getIronTool() {return &ironTool;}