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Toshihiro Shimizu 890ddd
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#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 "tstroke.h"
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#include "tstrokeutil.h"
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#include "tstrokedeformations.h"
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#include "tmathutil.h"
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#include "tproperty.h"
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#include "drawutil.h"
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#include "tcurveutil.h"
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#include "toonz/tobjecthandle.h"
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#include "toonz/txshlevelhandle.h"
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#include "toonz/tstageobject.h"
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using namespace ToolUtils;
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// For Qt translation support
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#include <qcoreapplication></qcoreapplication>
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//=============================================================================
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namespace {
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/*
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 Controlla se il primo punto della prima sotto_stroke
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 e' interno al cerchio, nel caso la stroke successiva
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 deve essere quella esterna e cosi' via, basta allora
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 fissare un contatore in modo da prendere le stroke
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 alternativamente (interne/esterne).
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*/
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void selectStrokeToMove(const ArrayOfStroke &v, const TPointD ¢er,
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                        double radius, ArrayOfStroke &toMove) {
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  if (v.empty()) return;
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  UINT counter;
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  if (tdistance2(v.front()->getPoint(0), center) < sq(radius))
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    counter = 0;
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  else
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    counter = 1;
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  do {
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    toMove.push_back(v[counter]);
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    counter += 2;
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  } while (counter < v.size());
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}
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//=============================================================================
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/*
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inline  double computeStep(const TQuadratic& quad, double invOfPixelSize)
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{
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  double step = std::numeric_limits<double>::max();</double>
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  TPointD A = quad.getP0() - 2.0*quad.getP1() + quad.getP2(); // 2*A is the
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acceleration of the curve
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  double  A_len = norm(A);
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  if (A_len > 0)  step = sqrt(2 * invOfPixelSize / A_len);
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  return  step;
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}
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*/
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//-----------------------------------------------------------------------------
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void drawQuadratic(const TQuadratic &quad, double pixelSize) {
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  double m_min_step_at_normal_size = computeStep(quad, pixelSize);
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  // It draws the curve as a linear piecewise approximation
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  double invSqrtScale = 1.0;
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  // First of all, it computes the control circles of the curve in screen
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  // coordinates
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  TPointD scP0 = quad.getP0();
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  TPointD scP1 = quad.getP1();
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  TPointD scP2 = quad.getP2();
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  TPointD A = scP0 - 2 * scP1 + scP2;
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  TPointD B = scP0 - scP1;
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  double h;
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  h         = invSqrtScale * m_min_step_at_normal_size;
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  double h2 = h * h;
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  TPointD P = scP0, D2 = 2 * h2 * A, D1 = A * h2 - 2 * B * h;
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  if (h < 0 || isAlmostZero(h)) return;
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  // It draws the whole curve, using forward differencing
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  glBegin(GL_LINE_STRIP);  // The curve starts from scP0
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  glVertex2d(scP0.x, scP0.y);
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  for (double t = h; t < 1; t = t + h) {
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    P  = P + D1;
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    D1 = D1 + D2;
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    glVertex2d(P.x, P.y);
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  }
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  glVertex2d(scP2.x, scP2.y);  // The curve ends in scP2
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  glEnd();
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}
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}  // namespace
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//=============================================================================
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// MagnetTool
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//-----------------------------------------------------------------------------
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class MagnetTool : public TTool {
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  Q_DECLARE_TR_FUNCTIONS(MagnetTool)
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  bool m_active;
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  TPointD m_startingPos;
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  TPointD m_oldPos, m_pointAtMouseDown, m_pointAtMove;
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  DoublePair m_extremes;
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  int m_cursorId;
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  double m_pointSize;
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  TUndo *m_undo;
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  typedef struct {
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    TStroke *m_parent;
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    ArrayOfStroke m_splitted;
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    ArrayOfStroke m_splittedToMove;
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  } strokeCollection;
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  std::vector<strokecollection> m_strokeToModify;</strokecollection>
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  // vector<strokeinfo>  m_info;</strokeinfo>
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  std::vector<tstroke *=""> m_strokeHit, m_oldStrokesArray;</tstroke>
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  std::vector<int> m_changedStrokes;</int>
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  std::vector<std::vector<int> *> m_hitStrokeCorners, m_strokeToModifyCorners;</std::vector<int>
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  TDoubleProperty m_toolSize;
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  TPropertyGroup m_prop;
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public:
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  MagnetTool()
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      : TTool("T_Magnet")
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      , m_active(false)
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      , m_pointSize(-1)
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      , m_oldStrokesArray()
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      , m_toolSize("Size:", 0, 100, 20)  // W_ToolOptions_MagnetTool
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  {
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    bind(TTool::Vectors);
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    m_prop.bind(m_toolSize);
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  }
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  ToolType getToolType() const override { return TTool::LevelWriteTool; }
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  void updateTranslation() override { m_toolSize.setQStringName(tr("Size:")); }
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  void onEnter() override {
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    if ((TVectorImageP)getImage(false))
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      m_cursorId = ToolCursor::MagnetCursor;
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    else
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      m_cursorId = ToolCursor::CURSOR_NO;
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    double x = m_toolSize.getValue();
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    double minRange = 1;
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    double maxRange = 100;
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    double minSize = 10;
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    double maxSize = 100;
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    m_pointSize =
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        (x - minRange) / (maxRange - minRange) * (maxSize - minSize) + minSize;
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  }
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  void onLeave() override { m_pointSize = -1; }
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  void leftButtonDown(const TPointD &pos, const TMouseEvent &e) override {
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    TPointD p(pos);
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    m_oldPos = pos;
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    m_pointAtMouseDown = p;
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    m_startingPos      = p;
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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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    QMutexLocker lock(vi->getMutex());
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    m_active = true;
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    m_pointAtMove = m_pointAtMouseDown = p;
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    m_strokeHit.clear();
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    m_changedStrokes.clear();
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    m_strokeToModify.clear();
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    std::vector<tstroke *=""> strokeUndo;</tstroke>
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    TStroke *ref;
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    m_hitStrokeCorners.clear();
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    m_strokeToModifyCorners.clear();
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    UINT i = 0;
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    for (; i < vi->getStrokeCount(); ++i) {
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      if (!vi->inCurrentGroup(i)) continue;
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      TStroke *stroke = vi->getStroke(i);
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      ref             = stroke;
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      //  calcola le intersezioni
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      std::vector<double> intersections;</double>
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      intersect(*ref, p, m_pointSize, intersections);
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      if (intersections.empty()) {
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        if (increaseControlPoints(*ref,
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                                  TStrokePointDeformation(p, m_pointSize))) {
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          m_changedStrokes.push_back(i);
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          m_strokeHit.push_back(ref);
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          std::vector<int> *corners = new std::vector<int>;</int></int>
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          corners->push_back(0);
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          detectCorners(ref, 20, *corners);
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          corners->push_back(ref->getChunkCount());
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          m_hitStrokeCorners.push_back(corners);
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          ref->disableComputeOfCaches();
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          strokeUndo.push_back(ref);
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        }
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      } else {
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        strokeUndo.push_back(ref);
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        MagnetTool::strokeCollection sc;
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        sc.m_parent = ref;
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        splitStroke(*sc.m_parent, intersections, sc.m_splitted);
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        selectStrokeToMove(sc.m_splitted, p, m_pointSize, sc.m_splittedToMove);
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        for (UINT ii = 0; ii < sc.m_splittedToMove.size(); ++ii) {
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          TStroke *temp = sc.m_splittedToMove[ii];
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          bool test     = increaseControlPoints(
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              *temp, TStrokePointDeformation(p, m_pointSize));
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          assert(test);
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          std::vector<int> *corners = new std::vector<int>;</int></int>
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          corners->push_back(0);
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          detectCorners(temp, 20, *corners);
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          corners->push_back(temp->getChunkCount());
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          m_strokeToModifyCorners.push_back(corners);
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        }
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        m_strokeToModify.push_back(sc);
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        m_changedStrokes.push_back(i);
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      }
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    }
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    m_oldStrokesArray.resize(m_changedStrokes.size());
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    for (i                 = 0; i < m_changedStrokes.size(); i++)
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      m_oldStrokesArray[i] = new TStroke(*(vi->getStroke(m_changedStrokes[i])));
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    if (!strokeUndo.empty()) {
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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 UndoModifyListStroke(sl, id, strokeUndo);
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      }
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    }
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    invalidate();
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    // vi->validateRegionEdges(ref, true);
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  };
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  void leftButtonDrag(const TPointD &p, const TMouseEvent &) override {
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    if (!m_active) return;
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    //      double dx = p.x - m_pointAtMouseDown.x;
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    double pixelSize = getPixelSize();
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    if (tdistance2(p, m_oldPos) < 9.0 * pixelSize * pixelSize) return;
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    m_oldPos           = p;
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    m_pointAtMouseDown = p;
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    // double sc = exp(0.001 * (double)dx);
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    TVectorImageP vi = TImageP(getImage(true));
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    if (!vi) return;
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    QMutexLocker lock(vi->getMutex());
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    TPointD offset = p - m_pointAtMove;
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    /*
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if( tdistance2(m_pointAtMouseDown, p ) > sq(m_pointSize * 0.5) ) // reincremento
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{
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leftButtonUp(p);
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lefrightButtonDown(p);
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}
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*/
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    UINT i, j;
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    for (i = 0; i < m_strokeHit.size(); ++i)
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      modifyControlPoints(*m_strokeHit[i],
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                          TStrokePointDeformation(offset, m_pointAtMouseDown,
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                                                  m_pointSize * 0.7));
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    for (i = 0; i < m_strokeToModify.size(); ++i)
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      for (j = 0; j < m_strokeToModify[i].m_splittedToMove.size(); ++j) {
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        TStroke *temp = m_strokeToModify[i].m_splittedToMove[j];
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        modifyControlPoints(*temp,
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                            TStrokePointDeformation(offset, m_pointAtMouseDown,
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                                                    m_pointSize * 0.7));
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      }
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    m_pointAtMove = p;
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    invalidate();
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  };
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  void mouseMove(const TPointD &p, const TMouseEvent &e) override {
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    m_pointAtMove    = p;
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    double pixelSize = getPixelSize();
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    if (tdistance2(p, m_oldPos) < 9.0 * pixelSize * pixelSize) return;
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    m_oldPos = p;
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    invalidate();
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  }
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  void leftButtonUp(const TPointD &, const TMouseEvent &) override {
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    if (!m_active) return;
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    m_active           = false;
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    m_pointAtMouseDown = m_pointAtMove = TConsts::napd;
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    TStroke *ref;
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    TVectorImageP vi = TImageP(getImage(true));
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    if (!vi) return;
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    QMutexLocker lock(vi->getMutex());
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    UINT i, j;
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    for (i = 0; i < m_strokeHit.size(); ++i) {
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      ref = m_strokeHit[i];
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      ref->enableComputeOfCaches();
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      ref->reduceControlPoints(getPixelSize() * ReduceControlPointCorrection,
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                               *(m_hitStrokeCorners[i]));
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      // vi->validateRegionEdges(ref, false);
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    }
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    clearPointerContainer(m_hitStrokeCorners);
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    m_hitStrokeCorners.clear();
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    UINT count = 0;
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    for (i = 0; i < m_strokeToModify.size(); ++i) {
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      // recupero la stroke collection
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      MagnetTool::strokeCollection &sc = m_strokeToModify[i];
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      for (j = 0; j < sc.m_splittedToMove.size(); ++j) {
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        ref = sc.m_splittedToMove[j];
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        ref->enableComputeOfCaches();
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        ref->reduceControlPoints(getPixelSize() * ReduceControlPointCorrection,
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                                 *(m_strokeToModifyCorners[count++]));
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      }
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      // ricostruisco una stroke con quella data
Shinya Kitaoka 120a6e
      ref = merge(sc.m_splitted);
Shinya Kitaoka 120a6e
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      if (sc.m_parent->isSelfLoop()) {
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        int cpCount      = ref->getControlPointCount();
Shinya Kitaoka 120a6e
        TThickPoint p1   = ref->getControlPoint(0);
Shinya Kitaoka 120a6e
        TThickPoint p2   = ref->getControlPoint(cpCount - 1);
Shinya Kitaoka 120a6e
        TThickPoint midP = (p1 + p2) * 0.5;
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        ref->setControlPoint(0, midP);
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        ref->setControlPoint(cpCount - 1, midP);
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        ref->setSelfLoop(true);
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      }
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      sc.m_parent->swapGeometry(*ref);
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      delete ref;  // elimino la curva temporanea
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      clearPointerContainer(
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          sc.m_splitted);           // pulisco le stroke trovate con lo split
Shinya Kitaoka 120a6e
      sc.m_splittedToMove.clear();  // pulisco il contenitore ( le stroke
Shinya Kitaoka 120a6e
                                    // che erano contenute qua sono state
Shinya Kitaoka 120a6e
                                    // eliminate nella clearPointer....
Shinya Kitaoka 120a6e
    }
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    clearPointerContainer(m_strokeToModifyCorners);
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    m_strokeToModifyCorners.clear();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    for (i = 0; i < vi->getStrokeCount(); ++i) {
Shinya Kitaoka 120a6e
      ref = vi->getStroke(i);
Shinya Kitaoka 120a6e
      ref->invalidate();
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    }
Shinya Kitaoka 120a6e
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    vi->notifyChangedStrokes(m_changedStrokes, m_oldStrokesArray);
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    notifyImageChanged();
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    if (m_undo) TUndoManager::manager()->add(m_undo);
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    m_undo = 0;
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    clearPointerContainer(m_oldStrokesArray);
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    m_oldStrokesArray.clear();
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    invalidate();
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  };
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  void draw() override {
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    TVectorImageP vi = TImageP(getImage(true));
Shinya Kitaoka 120a6e
    if (!vi) return;
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Shinya Kitaoka 120a6e
    // TAffine viewMatrix = getViewer()->getViewMatrix();
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    // glPushMatrix();
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    // tglMultMatrix(viewMatrix);
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    if (m_pointSize > 0) {
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      tglColor(TPixel32::Red);
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      tglDrawCircle(m_pointAtMove, m_pointSize);
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    }
Shinya Kitaoka 120a6e
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    if (!m_active) {
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      // glPopMatrix();
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      return;
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    }
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Shinya Kitaoka 120a6e
    TPointD delta = m_pointAtMouseDown - m_startingPos;
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    //    glPushMatrix();
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    // tglMultMatrix(m_referenceMatrix);
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    if (!m_strokeHit.empty())
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      for (UINT i = 0; i < m_strokeHit.size(); ++i)
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        drawStrokeCenterline(*m_strokeHit[i], getPixelSize());
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Shinya Kitaoka 120a6e
    tglColor(TPixel32::Red);
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    UINT i, j;
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    for (i = 0; i < m_strokeToModify.size(); ++i)
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      for (j = 0; j < m_strokeToModify[i].m_splittedToMove.size(); ++j) {
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        TStroke *temp = m_strokeToModify[i].m_splittedToMove[j];
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        drawStrokeCenterline(*temp, getPixelSize());
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      }
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    //    glPopMatrix();
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    // glPopMatrix();
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  }
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
  TPropertyGroup *getProperties(int targetType) override { return &m_prop; }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  int getCursorId() const override { return m_cursorId; }
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
} magnetTool;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
// TTool *getMagnetTool() {return &magnetTool;}