9d7eaade5d
OpenToonz crashes when directly manipulating curves via the lines themselves, unless the curve was initialized as a straight line. Depending on the build environment, a calculation interprets doubles as ints, resulting in a divison by zero. -Explicitly specifies the use of floating point abs() - fabs() Resolves: #858, #919
1136 lines
40 KiB
C++
1136 lines
40 KiB
C++
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#include "controlpointselection.h"
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#include "tvectorimage.h"
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#include "tmathutil.h"
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#include "tools/toolhandle.h"
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#include "tools/toolutils.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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namespace {
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//-----------------------------------------------------------------------------
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inline bool isLinearPoint(const TPointD &p0, const TPointD &p1,
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const TPointD &p2) {
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return (tdistance(p0, p1) < 0.02) && (tdistance(p1, p2) < 0.02);
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}
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//-----------------------------------------------------------------------------
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//! Ritorna \b true se il punto \b p1 e' una cuspide.
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bool isCuspPoint(const TPointD &p0, const TPointD &p1, const TPointD &p2) {
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TPointD p0_p1(p0 - p1), p2_p1(p2 - p1);
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double n1 = norm(p0_p1), n2 = norm(p2_p1);
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// Partial linear points are ALWAYS cusps (since directions from them are
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// determined by neighbours, not by the points themselves)
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if ((n1 < 0.02) || (n2 < 0.02)) return true;
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p0_p1 = p0_p1 * (1.0 / n1);
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p2_p1 = p2_p1 * (1.0 / n2);
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return (p0_p1 * p2_p1 > 0) ||
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(fabs(cross(p0_p1, p2_p1)) > 0.09); // more than 5° is yes
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// Distance-based check. Unscalable...
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// return
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// !areAlmostEqual(tdistance(p0,p2),tdistance(p0,p1)+tdistance(p1,p2),2);
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}
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//-----------------------------------------------------------------------------
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TThickPoint computeLinearPoint(const TThickPoint &p1, const TThickPoint &p2,
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double factor, bool isIn) {
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TThickPoint p = p2 - p1;
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TThickPoint v = p * (1 / norm(p));
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if (isIn) return p2 - factor * v;
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return p1 + factor * v;
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}
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//-----------------------------------------------------------------------------
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/*! Insert a point in the most long chunk between chunk \b indexA and chunk \b
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* indexB. */
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void insertPoint(TStroke *stroke, int indexA, int indexB) {
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assert(stroke);
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int j = 0;
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int chunkCount = indexB - indexA;
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if (chunkCount % 2 == 0) return;
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double length = 0;
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double firstW, lastW;
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for (j = indexA; j < indexB; j++) {
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// cerco il chunk piu' lungo
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double w0 = stroke->getW(stroke->getChunk(j)->getP0());
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double w1;
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if (j == stroke->getChunkCount() - 1)
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w1 = 1;
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else
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w1 = stroke->getW(stroke->getChunk(j)->getP2());
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double length0 = stroke->getLength(w0);
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double length1 = stroke->getLength(w1);
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if (length < length1 - length0) {
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firstW = w0;
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lastW = w1;
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length = length1 - length0;
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}
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}
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stroke->insertControlPoints((firstW + lastW) * 0.5);
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}
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} // namespace
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//=============================================================================
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// ControlPointEditorStroke
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//-----------------------------------------------------------------------------
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ControlPointEditorStroke *ControlPointEditorStroke::clone() const {
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ControlPointEditorStroke *controlPointEditorStroke =
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new ControlPointEditorStroke();
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controlPointEditorStroke->setStroke(m_vi->clone(), m_strokeIndex);
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return controlPointEditorStroke;
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}
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//-----------------------------------------------------------------------------
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int ControlPointEditorStroke::nextIndex(int index) const {
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int cpCount = m_controlPoints.size();
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if (++index < cpCount) return index;
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if (isSelfLoop()) {
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index %= cpCount;
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return (index < 0) ? index + cpCount : index;
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}
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return -1;
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}
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//-----------------------------------------------------------------------------
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int ControlPointEditorStroke::prevIndex(int index) const {
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int cpCount = m_controlPoints.size();
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if (--index >= 0) return index;
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if (isSelfLoop()) {
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index %= cpCount;
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return (index < 0) ? index + cpCount : index;
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}
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return -1;
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::adjustChunkParity() {
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TStroke *stroke = getStroke();
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if (!stroke) return;
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int firstChunk;
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int secondChunk = stroke->getChunkCount();
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int i;
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for (i = stroke->getChunkCount() - 1; i > 0; i--) {
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if (tdistance(stroke->getChunk(i - 1)->getP0(),
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stroke->getChunk(i)->getP2()) < 0.5)
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continue;
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TPointD p0 = stroke->getChunk(i - 1)->getP1();
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TPointD p1 = stroke->getChunk(i - 1)->getP2();
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TPointD p2 = stroke->getChunk(i)->getP1();
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if (isCuspPoint(p0, p1, p2) || isLinearPoint(p0, p1, p2)) {
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firstChunk = i;
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insertPoint(stroke, firstChunk, secondChunk);
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secondChunk = firstChunk;
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}
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}
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insertPoint(stroke, 0, secondChunk);
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::resetControlPoints() {
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TStroke *stroke = getStroke();
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if (!stroke) return;
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m_controlPoints.clear();
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int i;
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int cpCount = stroke->getControlPointCount();
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if (cpCount == 3) {
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const TThickQuadratic *chunk = stroke->getChunk(0);
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if (chunk->getP0() == chunk->getP1() &&
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chunk->getP0() == chunk->getP2()) // E' un punto
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{
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m_controlPoints.push_back(
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ControlPoint(0, TPointD(0.0, 0.0), TPointD(0.0, 0.0), true));
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return;
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}
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}
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for (i = 0; i < cpCount; i = i + 4) {
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TThickPoint speedIn, speedOut;
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bool isPickOut = false;
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TThickPoint p = stroke->getControlPoint(i);
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TThickPoint precP = stroke->getControlPoint(i - 1);
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TThickPoint nextP = stroke->getControlPoint(i + 1);
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if (0 < i && i < cpCount - 1) // calcola speedIn e speedOut
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{
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speedIn = p - precP;
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speedOut = nextP - p;
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}
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if (i == 0) // calcola solo lo speedOut
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{
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speedOut = nextP - p;
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if (isSelfLoop()) speedIn = p - stroke->getControlPoint(cpCount - 2);
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}
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if (i == cpCount - 1) // calcola solo lo speedIn
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speedIn = p - precP;
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if (i == cpCount - 1 && isSelfLoop())
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break; // Se lo stroke e' selfLoop inserisco solo il primo dei due punti
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// coincidenti
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bool isCusp = ((i != 0 && i != cpCount - 1) || (isSelfLoop() && i == 0))
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? isCuspPoint(precP, p, nextP)
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: true;
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m_controlPoints.push_back(ControlPoint(i, speedIn, speedOut, isCusp));
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}
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}
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//-----------------------------------------------------------------------------
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TThickPoint ControlPointEditorStroke::getPureDependentPoint(int index) const {
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TStroke *stroke = getStroke();
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if (!stroke) return TThickPoint();
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bool selfLoop = isSelfLoop();
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int cpCount = selfLoop ? m_controlPoints.size() + 1 : m_controlPoints.size();
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int nextIndex = (selfLoop && index == cpCount - 2) ? 0 : index + 1;
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int pointIndex = m_controlPoints[index].m_pointIndex;
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TThickPoint oldP(stroke->getControlPoint(pointIndex + 2));
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TPointD oldSpeedOutP = stroke->getControlPoint(pointIndex + 1);
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TPointD oldSpeedInP = stroke->getControlPoint(pointIndex + 3);
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double dist = tdistance(oldSpeedOutP, oldSpeedInP);
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double t = (dist > 1e-4) ? tdistance(oldSpeedInP, convert(oldP)) / dist : 0.5;
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TPointD speedOutPoint(getSpeedOutPoint(index));
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TPointD nextSpeedInPoint(getSpeedInPoint(nextIndex));
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return TThickPoint((1 - t) * nextSpeedInPoint + t * speedOutPoint,
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oldP.thick);
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// return TThickPoint(0.5 * (speedOutPoint + nextSpeedInPoint), oldThick);
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::getDependentPoints(
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int index, std::vector<std::pair<int, TThickPoint>> &points) const {
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TStroke *stroke = getStroke();
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if (!stroke) return;
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int cpCount = m_controlPoints.size();
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if (index == cpCount && isSelfLoop()) // strange, but was treated...
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index = 0;
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if (index == 0 && cpCount == 1) {
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// Single point case
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TStroke *stroke = getStroke();
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TThickPoint pos(stroke->getControlPoint(m_controlPoints[0].m_pointIndex));
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points.push_back(std::make_pair(1, pos));
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points.push_back(std::make_pair(2, pos));
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return;
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}
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int prev = prevIndex(index);
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if (prev >= 0) {
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int prevPointIndex = m_controlPoints[prev].m_pointIndex;
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if (isSpeedOutLinear(prev))
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points.push_back(
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std::make_pair(prevPointIndex + 1, getSpeedOutPoint(prev)));
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points.push_back(
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std::make_pair(prevPointIndex + 2, getPureDependentPoint(prev)));
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points.push_back(
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std::make_pair(prevPointIndex + 3, getSpeedInPoint(index)));
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}
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int next = nextIndex(index);
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if (next >= 0) {
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int pointIndex = m_controlPoints[index].m_pointIndex;
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points.push_back(std::make_pair(pointIndex + 1, getSpeedOutPoint(index)));
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points.push_back(
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std::make_pair(pointIndex + 2, getPureDependentPoint(index)));
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if (isSpeedInLinear(next))
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points.push_back(std::make_pair(pointIndex + 3, getSpeedInPoint(next)));
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}
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::updatePoints() {
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TStroke *stroke = getStroke();
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if (!stroke) return;
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bool selfLoop = isSelfLoop();
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// Se e' rimasto un unico punto non ha senso che la stroke sia selfloop
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if (selfLoop && m_controlPoints.size() == 1) {
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stroke->setSelfLoop(false);
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selfLoop = false;
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}
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// Se e' self loop devo aggiungere un punto in piu' al cpCount
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std::vector<TThickPoint> points;
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int cpCount = selfLoop ? m_controlPoints.size() + 1 : m_controlPoints.size();
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if (cpCount == 1)
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// Single point case
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points.resize(3, getControlPoint(0));
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else {
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std::vector<std::pair<int, TThickPoint>> dependentPoints;
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points.push_back(getControlPoint(0));
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points.push_back(getSpeedOutPoint(0));
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int i, pointIndex, currPointIndex = m_controlPoints[0].m_pointIndex + 1;
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for (i = 1; i < cpCount; ++i) {
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bool isLastSelfLoopPoint = (selfLoop && i == cpCount - 1);
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int index = isLastSelfLoopPoint ? 0 : i;
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TThickPoint p = getControlPoint(index);
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pointIndex = isLastSelfLoopPoint ? getStroke()->getControlPointCount()
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: m_controlPoints[index].m_pointIndex;
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dependentPoints.clear();
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getDependentPoints(index, dependentPoints);
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int j;
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for (j = 0; j < (int)dependentPoints.size() &&
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dependentPoints[j].first < pointIndex;
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j++) {
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if (currPointIndex < dependentPoints[j].first) {
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currPointIndex = dependentPoints[j].first;
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points.push_back(dependentPoints[j].second);
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}
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}
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points.push_back(p);
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for (; j < (int)dependentPoints.size(); j++) {
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if (currPointIndex < dependentPoints[j].first) {
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currPointIndex = dependentPoints[j].first;
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points.push_back(dependentPoints[j].second);
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}
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}
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}
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}
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stroke->reshape(&points[0], points.size());
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m_vi->notifyChangedStrokes(m_strokeIndex);
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::updateDependentPoint(int index) {
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TStroke *stroke = getStroke();
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if (!stroke) return;
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std::vector<std::pair<int, TThickPoint>> points;
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getDependentPoints(index, points);
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int i;
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for (i = 0; i < (int)points.size(); i++)
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stroke->setControlPoint(points[i].first, points[i].second);
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m_vi->notifyChangedStrokes(m_strokeIndex);
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::moveSpeedOut(int index, const TPointD &delta,
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double minDistance) {
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TStroke *stroke = getStroke();
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if (!stroke) return;
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// If the next cp has linear speed in, it must be recomputed
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bool selfLoop = isSelfLoop();
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int cpCount = selfLoop ? m_controlPoints.size() + 1 : m_controlPoints.size();
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int nextIndex = (selfLoop && index == cpCount - 2) ? 0 : index + 1;
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if (m_controlPoints[nextIndex].m_isCusp && isSpeedInLinear(nextIndex))
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setLinearSpeedIn(nextIndex, true, false);
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// Update the speedOut
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m_controlPoints[index].m_speedOut += delta;
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TPointD newP = m_controlPoints[index].m_speedOut;
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if (areAlmostEqual(newP.x, 0, minDistance) &&
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areAlmostEqual(newP.y, 0, minDistance)) // Setto a linear
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{
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setLinearSpeedOut(index);
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return;
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}
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if (!m_controlPoints[index].m_isCusp && !isSpeedInLinear(index)) {
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// Devo ricalcolare lo SpeedIn
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TPointD v(m_controlPoints[index].m_speedOut *
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(1.0 / norm(m_controlPoints[index].m_speedOut)));
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m_controlPoints[index].m_speedIn =
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TThickPoint(v * norm(m_controlPoints[index].m_speedIn),
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m_controlPoints[index].m_speedIn.thick);
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}
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::moveSpeedIn(int index, const TPointD &delta,
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double minDistance) {
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TStroke *stroke = getStroke();
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if (!stroke) return;
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// If the prev cp has linear speed out, it must be recomputed
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bool selfLoop = isSelfLoop();
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int cpCount = selfLoop ? m_controlPoints.size() + 1 : m_controlPoints.size();
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int prevIndex = (selfLoop && index == 0) ? cpCount - 2 : index - 1;
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if (m_controlPoints[prevIndex].m_isCusp && isSpeedOutLinear(prevIndex))
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setLinearSpeedOut(prevIndex, true, false);
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// Update the speedOut
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m_controlPoints[index].m_speedIn -= delta;
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TPointD newP = m_controlPoints[index].m_speedIn;
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if (areAlmostEqual(newP.x, 0, minDistance) &&
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areAlmostEqual(newP.y, 0, minDistance)) // Setto a linear
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{
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setLinearSpeedIn(index);
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return;
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}
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if (!m_controlPoints[index].m_isCusp && !isSpeedOutLinear(index)) {
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// Devo ricalcolare lo SpeedOut
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TPointD v(m_controlPoints[index].m_speedIn *
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(1.0 / norm(m_controlPoints[index].m_speedIn)));
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m_controlPoints[index].m_speedOut =
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TThickPoint(v * norm(m_controlPoints[index].m_speedOut),
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m_controlPoints[index].m_speedOut.thick);
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}
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::moveSingleControlPoint(int index,
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const TPointD &delta) {
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TStroke *stroke = getStroke();
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if (!stroke) return;
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int pointIndex = m_controlPoints[index].m_pointIndex;
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assert(stroke && 0 <= pointIndex &&
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pointIndex < stroke->getControlPointCount());
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bool selfLoop = isSelfLoop();
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int cpCount = selfLoop ? m_controlPoints.size() + 1 : m_controlPoints.size();
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TThickPoint p = stroke->getControlPoint(pointIndex);
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p = TThickPoint(p + delta, p.thick);
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stroke->setControlPoint(pointIndex, p);
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if (pointIndex == 0 && selfLoop)
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stroke->setControlPoint(stroke->getControlPointCount() - 1, p);
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// Directions must be recalculated in the linear cases
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if ((selfLoop || index > 0) && isSpeedInLinear(index)) {
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setLinearSpeedIn(index, true, false);
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// Furthermore, if the NEIGHBOUR point is linear, it has to be
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// recalculated too
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int prevIndex = (selfLoop && index == 0) ? cpCount - 2 : index - 1;
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if (m_controlPoints[prevIndex].m_isCusp && isSpeedOutLinear(prevIndex))
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setLinearSpeedOut(prevIndex, true, false);
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}
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if ((selfLoop || index < cpCount - 1) && isSpeedOutLinear(index)) {
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setLinearSpeedOut(index, true, false);
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int nextIndex = (selfLoop && index == cpCount - 2) ? 0 : index + 1;
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if (m_controlPoints[nextIndex].m_isCusp && isSpeedInLinear(nextIndex))
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setLinearSpeedIn(nextIndex, true, false);
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}
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}
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//-----------------------------------------------------------------------------
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void ControlPointEditorStroke::setStroke(const TVectorImageP &vi,
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int strokeIndex) {
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m_strokeIndex = strokeIndex;
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m_vi = vi;
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if (!vi || strokeIndex == -1) {
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m_controlPoints.clear();
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return;
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}
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TStroke *stroke = getStroke();
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const TThickQuadratic *chunk = stroke->getChunk(0);
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if (stroke->getControlPointCount() == 3 && chunk->getP0() == chunk->getP1() &&
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chunk->getP0() == chunk->getP2()) {
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resetControlPoints();
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return;
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}
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adjustChunkParity();
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resetControlPoints();
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}
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//-----------------------------------------------------------------------------
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TThickPoint ControlPointEditorStroke::getControlPoint(int index) const {
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TStroke *stroke = getStroke();
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assert(stroke && 0 <= index && index < (int)m_controlPoints.size());
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return stroke->getControlPoint(m_controlPoints[index].m_pointIndex);
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}
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//-----------------------------------------------------------------------------
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int ControlPointEditorStroke::getIndexPointInStroke(int index) const {
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return m_controlPoints[index].m_pointIndex;
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}
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|
//-----------------------------------------------------------------------------
|
|
|
|
TThickPoint ControlPointEditorStroke::getSpeedInPoint(int index) const {
|
|
TStroke *stroke = getStroke();
|
|
assert(stroke && 0 <= index && index < (int)m_controlPoints.size());
|
|
|
|
ControlPoint cp = m_controlPoints[index];
|
|
return stroke->getControlPoint(cp.m_pointIndex) - cp.m_speedIn;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
TThickPoint ControlPointEditorStroke::getSpeedOutPoint(int index) const {
|
|
TStroke *stroke = getStroke();
|
|
assert(stroke && 0 <= index && index < (int)m_controlPoints.size());
|
|
|
|
ControlPoint cp = m_controlPoints[index];
|
|
return stroke->getControlPoint(cp.m_pointIndex) + cp.m_speedOut;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool ControlPointEditorStroke::isCusp(int index) const {
|
|
TStroke *stroke = getStroke();
|
|
assert(stroke && 0 <= index && index < (int)getControlPointCount());
|
|
return m_controlPoints[index].m_isCusp;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointEditorStroke::setCusp(int index, bool isCusp,
|
|
bool setSpeedIn) {
|
|
m_controlPoints[index].m_isCusp = isCusp;
|
|
if (isCusp == true) return;
|
|
moveSpeed(index, TPointD(0.0, 0.0), setSpeedIn, 0.0);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool ControlPointEditorStroke::isSpeedInLinear(int index) const {
|
|
assert(index < (int)m_controlPoints.size());
|
|
return (fabs(m_controlPoints[index].m_speedIn.x) <= 0.02) &&
|
|
(fabs(m_controlPoints[index].m_speedIn.y) <= 0.02);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool ControlPointEditorStroke::isSpeedOutLinear(int index) const {
|
|
assert(index < (int)m_controlPoints.size());
|
|
return (fabs(m_controlPoints[index].m_speedOut.x) <= 0.02) &&
|
|
(fabs(m_controlPoints[index].m_speedOut.y) <= 0.02);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointEditorStroke::setLinearSpeedIn(int index, bool linear,
|
|
bool updatePoints) {
|
|
TStroke *stroke = getStroke();
|
|
if (!stroke || m_controlPoints.size() == 1) return;
|
|
int pointIndex = m_controlPoints[index].m_pointIndex;
|
|
if (pointIndex == 0) {
|
|
if (isSelfLoop())
|
|
pointIndex = stroke->getControlPointCount() - 1;
|
|
else
|
|
return;
|
|
}
|
|
int precIndex =
|
|
(index == 0 && isSelfLoop()) ? m_controlPoints.size() - 1 : index - 1;
|
|
|
|
TThickPoint point = stroke->getControlPoint(pointIndex);
|
|
TThickPoint precPoint = (pointIndex > 2)
|
|
? stroke->getControlPoint(pointIndex - 3)
|
|
: TThickPoint();
|
|
|
|
if (linear) {
|
|
TThickPoint p(point - precPoint);
|
|
double n = norm(p);
|
|
TThickPoint speedIn =
|
|
(n != 0.0) ? (0.01 / n) * p : TThickPoint(0.001, 0.001, 0.0);
|
|
m_controlPoints[index].m_speedIn = speedIn;
|
|
} else {
|
|
TThickPoint newPrec2 = (precPoint + point) * 0.5;
|
|
TThickPoint speedIn = (point - newPrec2) * 0.5;
|
|
m_controlPoints[index].m_speedIn = speedIn;
|
|
}
|
|
if (updatePoints) updateDependentPoint(index);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointEditorStroke::setLinearSpeedOut(int index, bool linear,
|
|
bool updatePoints) {
|
|
TStroke *stroke = getStroke();
|
|
if (!stroke || m_controlPoints.size() == 1) return;
|
|
int cpCount = stroke->getControlPointCount();
|
|
int pointIndex = m_controlPoints[index].m_pointIndex;
|
|
if (pointIndex == cpCount - 1) {
|
|
if (isSelfLoop())
|
|
pointIndex = 0;
|
|
else
|
|
return;
|
|
}
|
|
int nextIndex =
|
|
(index == m_controlPoints.size() - 1 && isSelfLoop()) ? 0 : index + 1;
|
|
|
|
TThickPoint point = stroke->getControlPoint(pointIndex);
|
|
TThickPoint nextPoint = (pointIndex < cpCount - 3)
|
|
? stroke->getControlPoint(pointIndex + 3)
|
|
: TThickPoint();
|
|
|
|
if (linear) {
|
|
TThickPoint p(nextPoint - point);
|
|
double n = norm(p);
|
|
TThickPoint speedOut =
|
|
(n != 0.0) ? (0.01 / n) * p : TThickPoint(0.001, 0.001, 0.0);
|
|
m_controlPoints[index].m_speedOut = speedOut;
|
|
} else {
|
|
TThickPoint newNext2 = (nextPoint + point) * 0.5;
|
|
TThickPoint speedOut = (newNext2 - point) * 0.5;
|
|
m_controlPoints[index].m_speedOut = speedOut;
|
|
}
|
|
if (updatePoints) updateDependentPoint(index);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool ControlPointEditorStroke::setLinear(int index, bool isLinear,
|
|
bool updatePoints) {
|
|
bool movePrec = (!isSelfLoop()) ? index > 0 : true;
|
|
bool moveNext = (!isSelfLoop()) ? (index < getControlPointCount() - 1) : true;
|
|
if (isLinear != isSpeedInLinear(index))
|
|
setLinearSpeedIn(index, isLinear, updatePoints);
|
|
else
|
|
movePrec = false;
|
|
if (isLinear != isSpeedOutLinear(index))
|
|
setLinearSpeedOut(index, isLinear, updatePoints);
|
|
else
|
|
moveNext = false;
|
|
bool ret = moveNext || movePrec;
|
|
if (ret) m_controlPoints[index].m_isCusp = true;
|
|
return ret;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool ControlPointEditorStroke::setControlPointsLinear(std::set<int> points,
|
|
bool isLinear) {
|
|
std::set<int>::iterator it;
|
|
bool isChanged = false;
|
|
for (it = points.begin(); it != points.end(); it++)
|
|
isChanged = setLinear(*it, isLinear, false) || isChanged;
|
|
for (it = points.begin(); it != points.end(); it++) updateDependentPoint(*it);
|
|
return isChanged;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointEditorStroke::moveControlPoint(int index,
|
|
const TPointD &delta) {
|
|
TStroke *stroke = getStroke();
|
|
if (!stroke) return;
|
|
assert(stroke && 0 <= index && index < (int)getControlPointCount());
|
|
|
|
moveSingleControlPoint(index, delta);
|
|
updateDependentPoint(index);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
int ControlPointEditorStroke::addControlPoint(const TPointD &pos) {
|
|
TStroke *stroke = getStroke();
|
|
if (!stroke) return -1;
|
|
double d = 0.01;
|
|
int indexAtPos;
|
|
int cpCount = stroke->getControlPointCount();
|
|
if (cpCount <= 3) // e' un unico chunk e in questo caso rappresenta un punto
|
|
{
|
|
getPointTypeAt(pos, d, indexAtPos);
|
|
return indexAtPos;
|
|
}
|
|
|
|
double w = stroke->getW(pos);
|
|
int pointIndex = stroke->getControlPointIndexAfterParameter(w);
|
|
|
|
int i, index;
|
|
for (i = 0; i < getControlPointCount(); i++) {
|
|
// Cerco il ControlPoint corrispondente all'indice pointIndex. OSS.:
|
|
// Effettuo il
|
|
// controllo da zero a getControlPointCount()-1 per gestire il caso del
|
|
// selfLoop
|
|
if (pointIndex == m_controlPoints[i].m_pointIndex + 1 ||
|
|
pointIndex == m_controlPoints[i].m_pointIndex + 2 ||
|
|
pointIndex == m_controlPoints[i].m_pointIndex + 3 ||
|
|
pointIndex == m_controlPoints[i].m_pointIndex + 4)
|
|
index = i;
|
|
}
|
|
|
|
ControlPoint precCp = m_controlPoints[index];
|
|
assert(precCp.m_pointIndex >= 0);
|
|
std::vector<TThickPoint> points;
|
|
|
|
for (i = 0; i < cpCount; i++) {
|
|
if (i != precCp.m_pointIndex + 1 && i != precCp.m_pointIndex + 2 &&
|
|
i != precCp.m_pointIndex + 3)
|
|
points.push_back(stroke->getControlPoint(i));
|
|
if (i == precCp.m_pointIndex + 2) {
|
|
bool isBeforePointLinear = isSpeedOutLinear(index);
|
|
int nextIndex =
|
|
(isSelfLoop() && index == m_controlPoints.size() - 1) ? 0 : index + 1;
|
|
bool isNextPointLinear =
|
|
nextIndex < (int)m_controlPoints.size() && isSpeedInLinear(nextIndex);
|
|
|
|
TThickPoint a0 = stroke->getControlPoint(precCp.m_pointIndex);
|
|
TThickPoint a1 = stroke->getControlPoint(precCp.m_pointIndex + 1);
|
|
TThickPoint a2 = stroke->getControlPoint(precCp.m_pointIndex + 2);
|
|
TThickPoint a3 = stroke->getControlPoint(precCp.m_pointIndex + 3);
|
|
TThickPoint a4 = stroke->getControlPoint(precCp.m_pointIndex + 4);
|
|
double dist2 = tdistance2(pos, TPointD(a2));
|
|
TThickPoint d0, d1, d2, d3, d4, d5, d6;
|
|
|
|
if (isBeforePointLinear && isNextPointLinear) {
|
|
// Se sono entrambi i punti lineari inserisco un punto lineare
|
|
d0 = a1;
|
|
d3 = stroke->getThickPoint(w);
|
|
d6 = a3;
|
|
d2 = computeLinearPoint(d0, d3, 0.01, true); // SpeedIn
|
|
d4 = computeLinearPoint(d3, d6, 0.01, false); // SpeedOut
|
|
d1 = 0.5 * (d0 + d2);
|
|
d5 = 0.5 * (d4 + d6);
|
|
} else if (dist2 < 32) {
|
|
// Sono molto vicino al punto che non viene visualizzato
|
|
TThickPoint b0 = 0.5 * (a0 + a1);
|
|
TThickPoint b1 = 0.5 * (a2 + a1);
|
|
TThickPoint c0 = 0.5 * (b0 + b1);
|
|
|
|
TThickPoint b2 = 0.5 * (a2 + a3);
|
|
TThickPoint b3 = 0.5 * (a3 + a4);
|
|
|
|
TThickPoint c1 = 0.5 * (b2 + b3);
|
|
d0 = b0;
|
|
d1 = c0;
|
|
d2 = b1;
|
|
d3 = a2;
|
|
d4 = b2;
|
|
d5 = c1;
|
|
d6 = b3;
|
|
} else {
|
|
bool isInFirstChunk = true;
|
|
if (pointIndex > precCp.m_pointIndex + 2) {
|
|
// nel caso in cui sono nel secondo chunk scambio i punti
|
|
a0 = a4;
|
|
tswap(a1, a3);
|
|
isInFirstChunk = false;
|
|
}
|
|
|
|
double w0 = (isSelfLoop() && precCp.m_pointIndex + 4 == cpCount - 1 &&
|
|
!isInFirstChunk)
|
|
? 1
|
|
: stroke->getW(a0);
|
|
double w1 = stroke->getW(a2);
|
|
double t = (w - w0) / (w1 - w0);
|
|
|
|
TThickPoint p = stroke->getThickPoint(w);
|
|
TThickPoint b0 = TThickPoint((1 - t) * a0 + t * a1,
|
|
(1 - t) * a0.thick + t * a1.thick);
|
|
TThickPoint b1 = TThickPoint((1 - t) * a1 + t * a2,
|
|
(1 - t) * a1.thick + t * a2.thick);
|
|
TThickPoint c0 =
|
|
TThickPoint(0.5 * a0 + 0.5 * b0, (1 - t) * a0.thick + t * b0.thick);
|
|
TThickPoint c1 =
|
|
TThickPoint(0.5 * b0 + 0.5 * p, (1 - t) * b0.thick + t * p.thick);
|
|
TThickPoint c2 =
|
|
TThickPoint(0.5 * c0 + 0.5 * c1, (1 - t) * c0.thick + t * c1.thick);
|
|
|
|
d0 = (isInFirstChunk) ? c0 : a3;
|
|
d1 = (isInFirstChunk) ? c2 : a2;
|
|
d2 = (isInFirstChunk) ? c1 : b1;
|
|
d3 = p;
|
|
d4 = (isInFirstChunk) ? b1 : c1;
|
|
d5 = (isInFirstChunk) ? a2 : c2;
|
|
d6 = (isInFirstChunk) ? a3 : c0;
|
|
}
|
|
if (isBeforePointLinear && !isNextPointLinear)
|
|
d1 = computeLinearPoint(d0, d2, 0.01, false);
|
|
else if (isNextPointLinear && !isBeforePointLinear)
|
|
d5 = computeLinearPoint(d4, d6, 0.01, true);
|
|
points.push_back(d0);
|
|
points.push_back(d1);
|
|
points.push_back(d2);
|
|
points.push_back(d3);
|
|
points.push_back(d4);
|
|
points.push_back(d5);
|
|
points.push_back(d6);
|
|
}
|
|
}
|
|
|
|
stroke->reshape(&points[0], points.size());
|
|
resetControlPoints();
|
|
|
|
getPointTypeAt(pos, d, indexAtPos);
|
|
return indexAtPos;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointEditorStroke::deleteControlPoint(int index) {
|
|
TStroke *stroke = getStroke();
|
|
if (!stroke) return;
|
|
|
|
assert(stroke && 0 <= index && index < (int)getControlPointCount());
|
|
// E' un unico chunk e in questo caso rappresenta un punto
|
|
if (stroke->getControlPointCount() <= 3 ||
|
|
(isSelfLoop() && stroke->getControlPointCount() <= 5)) {
|
|
m_controlPoints.clear();
|
|
m_vi->deleteStroke(m_strokeIndex);
|
|
return;
|
|
}
|
|
|
|
QList<int> newPointsIndex;
|
|
int i;
|
|
for (i = 0; i < (int)getControlPointCount() - 1; i++)
|
|
newPointsIndex.push_back(m_controlPoints[i].m_pointIndex);
|
|
|
|
m_controlPoints.removeAt(index);
|
|
updatePoints();
|
|
|
|
// Aggiorno gli indici dei punti nella stroke
|
|
assert((int)newPointsIndex.size() == (int)getControlPointCount());
|
|
for (i = 0; i < (int)getControlPointCount(); i++)
|
|
m_controlPoints[i].m_pointIndex = newPointsIndex.at(i);
|
|
|
|
int prev = prevIndex(index);
|
|
if (prev >= 0 && isSpeedOutLinear(prev)) {
|
|
setLinearSpeedOut(prev);
|
|
updateDependentPoint(prev);
|
|
}
|
|
if (index < (int)m_controlPoints.size() && isSpeedInLinear(index)) {
|
|
setLinearSpeedIn(index);
|
|
updateDependentPoint(index);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointEditorStroke::moveSpeed(int index, const TPointD &delta,
|
|
bool isIn, double minDistance) {
|
|
if (!isIn)
|
|
moveSpeedOut(index, delta, minDistance);
|
|
else
|
|
moveSpeedIn(index, delta, minDistance);
|
|
|
|
updateDependentPoint(index);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointEditorStroke::moveSegment(int beforeIndex, int nextIndex,
|
|
const TPointD &delta,
|
|
const TPointD &pos) {
|
|
TStroke *stroke = getStroke();
|
|
if (!stroke) return;
|
|
|
|
int cpCount = getControlPointCount();
|
|
// Verifiche per il caso in cui lo stroke e' selfLoop
|
|
if (isSelfLoop() && beforeIndex == 0 && nextIndex == cpCount - 1)
|
|
tswap(beforeIndex, nextIndex);
|
|
|
|
int beforePointIndex = m_controlPoints[beforeIndex].m_pointIndex;
|
|
int nextPointIndex = (isSelfLoop() && nextIndex == 0)
|
|
? stroke->getControlPointCount() - 1
|
|
: m_controlPoints[nextIndex].m_pointIndex;
|
|
double w = stroke->getW(pos);
|
|
double w0 = stroke->getParameterAtControlPoint(beforePointIndex);
|
|
double w4 = stroke->getParameterAtControlPoint(nextPointIndex);
|
|
assert(w0 <= w && w <= w4);
|
|
|
|
double t = 1;
|
|
double s = 1;
|
|
|
|
if (isSpeedOutLinear(beforeIndex)) {
|
|
m_controlPoints[beforeIndex].m_speedOut =
|
|
(stroke->getControlPoint(nextPointIndex) -
|
|
stroke->getControlPoint(beforePointIndex)) *
|
|
0.3;
|
|
if (!isSpeedInLinear(beforeIndex))
|
|
m_controlPoints[beforeIndex].m_isCusp = true;
|
|
} else if (!isSpeedOutLinear(beforeIndex) && !isSpeedInLinear(beforeIndex) &&
|
|
!isCusp(beforeIndex)) {
|
|
t = 1 - fabs(w - w0) / fabs(w4 - w0);
|
|
moveSingleControlPoint(beforeIndex, t * delta);
|
|
t = 1 - t;
|
|
}
|
|
|
|
if (isSpeedInLinear(nextIndex)) {
|
|
m_controlPoints[nextIndex].m_speedIn =
|
|
(stroke->getControlPoint(nextPointIndex) -
|
|
stroke->getControlPoint(beforePointIndex)) *
|
|
0.3;
|
|
if (!isSpeedOutLinear(nextIndex))
|
|
m_controlPoints[nextIndex].m_isCusp = true;
|
|
} else if (!isSpeedInLinear(nextIndex) && !isSpeedOutLinear(nextIndex) &&
|
|
!isCusp(nextIndex)) {
|
|
s = 1 - fabs(w4 - w) / fabs(w4 - w0);
|
|
moveSingleControlPoint(nextIndex, s * delta);
|
|
s = 1 - s;
|
|
}
|
|
|
|
moveSpeedOut(beforeIndex, delta * s, 0);
|
|
// updateDependentPoint(beforeIndex);
|
|
moveSpeedIn(nextIndex, delta * t, 0);
|
|
// updateDependentPoint(nextIndex);
|
|
|
|
updatePoints();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
ControlPointEditorStroke::PointType ControlPointEditorStroke::getPointTypeAt(
|
|
const TPointD &pos, double &distance2, int &index) const {
|
|
TStroke *stroke = getStroke();
|
|
if (!stroke) return NONE;
|
|
double w = stroke->getW(pos);
|
|
TPointD p = stroke->getPoint(w);
|
|
double strokeDistance = tdistance2(p, pos);
|
|
|
|
int precPointIndex = -1;
|
|
double minPrecDistance = 0;
|
|
double minDistance2 = distance2;
|
|
index = -1;
|
|
PointType type = NONE;
|
|
int cpCount = m_controlPoints.size();
|
|
int i;
|
|
for (i = 0; i < cpCount; i++) {
|
|
ControlPoint cPoint = m_controlPoints[i];
|
|
TPointD point = stroke->getControlPoint(cPoint.m_pointIndex);
|
|
double cpDistance2 = tdistance2(pos, point);
|
|
double distanceIn2 = !isSpeedInLinear(i)
|
|
? tdistance2(pos, point - cPoint.m_speedIn)
|
|
: cpDistance2 + 1;
|
|
double distanceOut2 = !isSpeedOutLinear(i)
|
|
? tdistance2(pos, point + cPoint.m_speedOut)
|
|
: cpDistance2 + 1;
|
|
if (i == 0 && !isSelfLoop())
|
|
distanceIn2 = std::max(cpDistance2, distanceOut2) + 1;
|
|
if (i == cpCount - 1 && !isSelfLoop())
|
|
distanceOut2 = std::max(cpDistance2, distanceIn2) + 1;
|
|
|
|
if (cpDistance2 < distanceIn2 && cpDistance2 < distanceOut2 &&
|
|
(cpDistance2 < minDistance2 || index < 0)) {
|
|
minDistance2 = cpDistance2;
|
|
index = i;
|
|
type = CONTROL_POINT;
|
|
} else if (distanceIn2 < cpDistance2 && distanceIn2 < distanceOut2 &&
|
|
(distanceIn2 < minDistance2 || index < 0)) {
|
|
minDistance2 = distanceIn2;
|
|
index = i;
|
|
type = SPEED_IN;
|
|
} else if (distanceOut2 < cpDistance2 && distanceOut2 < distanceIn2 &&
|
|
(distanceOut2 < minDistance2 || index < 0)) {
|
|
minDistance2 = distanceOut2;
|
|
index = i;
|
|
type = SPEED_OUT;
|
|
}
|
|
|
|
double cpw =
|
|
stroke->getParameterAtControlPoint(m_controlPoints[i].m_pointIndex);
|
|
if (w <= cpw) continue;
|
|
double precDistance = w - cpw;
|
|
if (precPointIndex < 0 || precDistance < minPrecDistance) {
|
|
precPointIndex = i;
|
|
minPrecDistance = precDistance;
|
|
}
|
|
}
|
|
|
|
if (minDistance2 < distance2)
|
|
distance2 = minDistance2;
|
|
else if (strokeDistance > distance2) {
|
|
distance2 = strokeDistance;
|
|
index = -1;
|
|
type = NONE;
|
|
} else {
|
|
distance2 = minPrecDistance;
|
|
index = precPointIndex;
|
|
type = SEGMENT;
|
|
}
|
|
|
|
return type;
|
|
}
|
|
|
|
//=============================================================================
|
|
// ControlPointSelection
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool ControlPointSelection::isSelected(int index) const {
|
|
return m_selectedPoints.find(index) != m_selectedPoints.end();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointSelection::select(int index) {
|
|
m_selectedPoints.insert(index);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointSelection::unselect(int index) {
|
|
m_selectedPoints.erase(index);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointSelection::addMenuItems(QMenu *menu) {
|
|
int currentStrokeIndex = m_controlPointEditorStroke->getStrokeIndex();
|
|
if (isEmpty() || currentStrokeIndex == -1 ||
|
|
(m_controlPointEditorStroke &&
|
|
m_controlPointEditorStroke->getControlPointCount() <= 1))
|
|
return;
|
|
QAction *linear = menu->addAction(tr("Set Linear Control Point"));
|
|
QAction *unlinear = menu->addAction(tr("Set Nonlinear Control Point"));
|
|
menu->addSeparator();
|
|
bool ret = connect(linear, SIGNAL(triggered()), this, SLOT(setLinear()));
|
|
ret =
|
|
ret && connect(unlinear, SIGNAL(triggered()), this, SLOT(setUnlinear()));
|
|
assert(ret);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointSelection::setLinear() {
|
|
TTool *tool = TTool::getApplication()->getCurrentTool()->getTool();
|
|
int currentStrokeIndex = m_controlPointEditorStroke->getStrokeIndex();
|
|
TVectorImageP vi(tool->getImage(false));
|
|
if (!vi || isEmpty() || currentStrokeIndex == -1) return;
|
|
TUndo *undo;
|
|
if (tool->getApplication()->getCurrentObject()->isSpline())
|
|
undo = new UndoPath(
|
|
tool->getXsheet()->getStageObject(tool->getObjectId())->getSpline());
|
|
else {
|
|
TXshSimpleLevel *level =
|
|
tool->getApplication()->getCurrentLevel()->getSimpleLevel();
|
|
UndoControlPointEditor *cpEditorUndo =
|
|
new UndoControlPointEditor(level, tool->getCurrentFid());
|
|
cpEditorUndo->addOldStroke(currentStrokeIndex,
|
|
vi->getVIStroke(currentStrokeIndex));
|
|
undo = cpEditorUndo;
|
|
}
|
|
if (m_controlPointEditorStroke->getControlPointCount() == 0) return;
|
|
|
|
bool isChanged = m_controlPointEditorStroke->setControlPointsLinear(
|
|
m_selectedPoints, true);
|
|
|
|
if (!isChanged) return;
|
|
TUndoManager::manager()->add(undo);
|
|
tool->notifyImageChanged();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointSelection::setUnlinear() {
|
|
TTool *tool = TTool::getApplication()->getCurrentTool()->getTool();
|
|
int currentStrokeIndex = m_controlPointEditorStroke->getStrokeIndex();
|
|
TVectorImageP vi(tool->getImage(false));
|
|
if (!vi || isEmpty() || currentStrokeIndex == -1) return;
|
|
|
|
TUndo *undo;
|
|
if (tool->getApplication()->getCurrentObject()->isSpline())
|
|
undo = new UndoPath(
|
|
tool->getXsheet()->getStageObject(tool->getObjectId())->getSpline());
|
|
else {
|
|
TXshSimpleLevel *level =
|
|
tool->getApplication()->getCurrentLevel()->getSimpleLevel();
|
|
UndoControlPointEditor *cpEditorUndo =
|
|
new UndoControlPointEditor(level, tool->getCurrentFid());
|
|
cpEditorUndo->addOldStroke(currentStrokeIndex,
|
|
vi->getVIStroke(currentStrokeIndex));
|
|
undo = cpEditorUndo;
|
|
}
|
|
if (m_controlPointEditorStroke->getControlPointCount() == 0) return;
|
|
|
|
bool isChanged = m_controlPointEditorStroke->setControlPointsLinear(
|
|
m_selectedPoints, false);
|
|
|
|
if (!isChanged) return;
|
|
TUndoManager::manager()->add(undo);
|
|
tool->notifyImageChanged();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointSelection::deleteControlPoints() {
|
|
TTool *tool = TTool::getApplication()->getCurrentTool()->getTool();
|
|
TVectorImageP vi(tool->getImage(false));
|
|
int currentStrokeIndex = m_controlPointEditorStroke->getStrokeIndex();
|
|
if (!vi || isEmpty() || currentStrokeIndex == -1) return;
|
|
|
|
// Inizializzo l'UNDO
|
|
TUndo *undo;
|
|
bool isCurrentObjectSpline =
|
|
tool->getApplication()->getCurrentObject()->isSpline();
|
|
if (isCurrentObjectSpline)
|
|
undo = new UndoPath(
|
|
tool->getXsheet()->getStageObject(tool->getObjectId())->getSpline());
|
|
else {
|
|
TXshSimpleLevel *level =
|
|
tool->getApplication()->getCurrentLevel()->getSimpleLevel();
|
|
UndoControlPointEditor *cpEditorUndo =
|
|
new UndoControlPointEditor(level, tool->getCurrentFid());
|
|
cpEditorUndo->addOldStroke(currentStrokeIndex,
|
|
vi->getVIStroke(currentStrokeIndex));
|
|
undo = cpEditorUndo;
|
|
}
|
|
|
|
int i;
|
|
for (i = m_controlPointEditorStroke->getControlPointCount() - 1; i >= 0; i--)
|
|
if (isSelected(i)) m_controlPointEditorStroke->deleteControlPoint(i);
|
|
|
|
if (m_controlPointEditorStroke->getControlPointCount() == 0) {
|
|
m_controlPointEditorStroke->setStroke((TVectorImage *)0, -1);
|
|
if (!isCurrentObjectSpline) {
|
|
UndoControlPointEditor *cpEditorUndo =
|
|
dynamic_cast<UndoControlPointEditor *>(undo);
|
|
if (cpEditorUndo) cpEditorUndo->isStrokeDelete(true);
|
|
}
|
|
}
|
|
|
|
// La spline non puo' essere cancellata completamente!!!
|
|
if (vi->getStrokeCount() == 0) {
|
|
if (TTool::getApplication()->getCurrentObject()->isSpline()) {
|
|
std::vector<TPointD> points;
|
|
double d = 10;
|
|
points.push_back(TPointD(-d, 0));
|
|
points.push_back(TPointD(0, 0));
|
|
points.push_back(TPointD(d, 0));
|
|
TStroke *stroke = new TStroke(points);
|
|
vi->addStroke(stroke, false);
|
|
m_controlPointEditorStroke->setStrokeIndex(0);
|
|
}
|
|
}
|
|
tool->notifyImageChanged();
|
|
selectNone();
|
|
// Registro l'UNDO
|
|
TUndoManager::manager()->add(undo);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void ControlPointSelection::enableCommands() {
|
|
enableCommand(this, "MI_Clear", &ControlPointSelection::deleteControlPoints);
|
|
}
|