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-rw-r--r--chalk/plugins/tools/tool_curves/kis_tool_moutline.cc809
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diff --git a/chalk/plugins/tools/tool_curves/kis_tool_moutline.cc b/chalk/plugins/tools/tool_curves/kis_tool_moutline.cc
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+++ b/chalk/plugins/tools/tool_curves/kis_tool_moutline.cc
@@ -0,0 +1,809 @@
+/*
+ * kis_tool_moutline.cc -- part of Chalk
+ *
+ * Copyright (c) 2006 Emanuele Tamponi <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <math.h>
+#include <set>
+
+#include <tqpainter.h>
+#include <tqlayout.h>
+#include <tqrect.h>
+#include <tqlabel.h>
+#include <tqpushbutton.h>
+#include <tqslider.h>
+
+#include <kaction.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kdebug.h>
+#include <knuminput.h>
+
+#include "kis_global.h"
+#include "kis_iterators_pixel.h"
+#include "kis_colorspace.h"
+#include "kis_channelinfo.h"
+#include "kis_doc.h"
+#include "kis_painter.h"
+#include "kis_point.h"
+#include "kis_canvas_subject.h"
+#include "kis_canvas_controller.h"
+#include "kis_button_press_event.h"
+#include "kis_button_release_event.h"
+#include "kis_move_event.h"
+#include "kis_canvas.h"
+#include "kis_canvas_painter.h"
+#include "kis_cursor.h"
+#include "kis_tool_controller.h"
+#include "kis_vec.h"
+#include "kis_selection.h"
+#include "kis_selection_options.h"
+#include "kis_selected_transaction.h"
+#include "kis_paintop_registry.h"
+#include "kis_convolution_painter.h"
+
+#include "kis_tool_moutline.h"
+
+using namespace std;
+
+#define RMS(a, b) (sqrt ((a) * (a) + (b) * (b)))
+#define ROUND(x) ((int) ((x) + 0.5))
+
+const int NOEDGE = 0x0000;
+
+const int ORTHOGONAL_COST = 10; // 1*10
+const int DIAGONAL_COST = 14; // sqrt(2)*10
+const int MALUS = 20; // This applies to NOEDGE nodes
+
+const int DEFAULTDIST = 40; // Default distance between two automatic pivots
+const int MAXDIST = 55; // Max distance
+const int MINDIST = 15;
+const int PAGESTEP = 5;
+
+class Node {
+
+ TQPoint m_pos;
+ int m_gCost;
+ int m_hCost;
+ int m_tCost;
+ bool m_malus;
+ TQPoint m_parent;
+
+public:
+
+ Node()
+ {
+ m_pos = m_parent = TQPoint(-1,-1);
+ m_gCost = m_hCost = m_tCost = 0;
+ m_malus = false;
+ }
+
+ Node(const Node& node)
+ {
+ m_pos = node.pos();
+ m_gCost = node.gCost();
+ m_hCost = node.hCost();
+ m_tCost = node.tCost();
+ m_malus = node.malus();
+ m_parent = node.tqparent();
+ }
+
+ Node(const TQPoint& tqparent, const TQPoint& pos, int g, int h, bool malus)
+ : m_pos(pos), m_hCost(h), m_malus(malus)
+ {
+ setGCost(g);
+ m_parent = tqparent;
+ }
+ ~Node ()
+ {
+ }
+
+ int gCost () const {return m_gCost;}
+ int hCost () const {return m_hCost;}
+ int tCost () const {return m_tCost;}
+ bool malus () const {return m_malus;}
+ TQPoint pos () const {return m_pos;}
+ int col () const {return m_pos.x();}
+ int row () const {return m_pos.y();}
+ TQPoint tqparent () const {return m_parent;}
+
+ void setGCost (int g)
+ {
+ m_gCost = g+(m_malus?MALUS:0);
+ m_tCost = m_gCost+m_hCost;
+ }
+ void setHCost (int h)
+ {
+ m_hCost = h;
+ m_tCost = m_gCost+m_hCost;
+ }
+ void setPos (const TQPoint& pos)
+ {
+ m_pos = pos;
+ }
+ void setMalus (bool malus)
+ {
+ m_malus = malus;
+ }
+ void clear ()
+ {
+ m_pos = TQPoint(-1,-1);
+ }
+
+ bool operator== (const Node& n2) const
+ {
+ return m_pos == n2.pos();
+ }
+ bool operator!= (const Node& n2) const
+ {
+ return m_pos != n2.pos();
+ }
+ bool operator== (const TQPoint& n2) const
+ {
+ return m_pos == n2;
+ }
+ bool operator!= (const TQPoint& n2) const
+ {
+ return m_pos != n2;
+ }
+ bool operator< (const Node& n2) const
+ {
+ return m_tCost < n2.tCost();
+ }
+ bool operator> (const Node& n2) const
+ {
+ return m_tCost > n2.tCost();
+ }
+
+ TQValueList<Node> getNeighbor(const GrayMatrix& src, const Node& end)
+ {
+ TQPoint tmpdist;
+ TQValueList<Node> temp;
+ int dcol, drow;
+ int g, h;
+ bool malus;
+ int x[8] = { 1, 1, 0,-1,-1,-1, 0, 1},
+ y[8] = { 0,-1,-1,-1, 0, 1, 1, 1};
+
+ for (int i = 0; i < 8; i++) {
+ dcol = m_pos.x() + x[i];
+ drow = m_pos.y() + y[i];
+ tmpdist = TQPoint(dcol,drow) - end.pos();
+ // I use src[0] here because all cols have same number of rows
+ if (dcol == (int)src.count() || dcol < 0 ||
+ drow == (int)src[0].count() || drow < 0)
+ continue;
+ if (src[dcol][drow])
+ malus = false;
+ else
+ malus = true;
+ if (i%2)
+ g = m_gCost + DIAGONAL_COST;
+ else
+ g = m_gCost + ORTHOGONAL_COST;
+ h = ORTHOGONAL_COST * (abs(tmpdist.x()) + abs(tmpdist.y()));
+ temp.append(Node(m_pos,TQPoint(dcol,drow),g,h,malus));
+ }
+ return temp;
+ }
+
+};
+
+KisKernelSP createKernel( TQ_INT32 i0, TQ_INT32 i1, TQ_INT32 i2,
+ TQ_INT32 i3, TQ_INT32 i4, TQ_INT32 i5,
+ TQ_INT32 i6, TQ_INT32 i7, TQ_INT32 i8,
+ TQ_INT32 factor, TQ_INT32 offset )
+{
+ KisKernelSP kernel = new KisKernel();
+ kernel->width = 3;
+ kernel->height = 3;
+
+ kernel->factor = factor;
+ kernel->offset = offset;
+
+ kernel->data = new TQ_INT32[9];
+ kernel->data[0] = i0;
+ kernel->data[1] = i1;
+ kernel->data[2] = i2;
+ kernel->data[3] = i3;
+ kernel->data[4] = i4;
+ kernel->data[5] = i5;
+ kernel->data[6] = i6;
+ kernel->data[7] = i7;
+ kernel->data[8] = i8;
+
+ return kernel;
+}
+
+KisCurveMagnetic::KisCurveMagnetic (KisToolMagnetic *tqparent)
+ : m_parent(tqparent)
+{
+ m_standardkeepselected = false;
+}
+
+KisCurveMagnetic::~KisCurveMagnetic ()
+{
+
+}
+
+KisCurve::iterator KisCurveMagnetic::addPivot (KisCurve::iterator it, const KisPoint& point)
+{
+ return iterator(*this,m_curve.insert(it.position(), CurvePoint(point,true,false,LINEHINT)));
+}
+
+KisCurve::iterator KisCurveMagnetic::pushPivot (const KisPoint& point)
+{
+ iterator it;
+
+ it = pushPoint(point,true,false,LINEHINT);
+// if (count() == 1 && !m_parent->editingMode())
+// addPoint(it,point,true,false,LINEHINT);
+
+ return selectPivot(it);
+}
+
+void KisCurveMagnetic::calculateCurve (KisCurve::iterator p1, KisCurve::iterator p2, KisCurve::iterator it)
+{
+ if (p1 == m_curve.end() || p2 == m_curve.end()) // It happens sometimes, for example on the first click
+ return;
+ if (m_parent->editingMode())
+ return;
+ TQPoint start = (*p1).point().roundTQPoint();
+ TQPoint end = (*p2).point().roundTQPoint();
+ TQRect rc = TQRect(start,end).normalize();
+ rc.setTopLeft(rc.topLeft()+TQPoint(-8,-8)); // Enlarge the view, so problems with gaussian blur can be removed
+ rc.setBottomRight(rc.bottomRight()+TQPoint(8,8)); // and we are able to find paths that go beyond the rect.
+
+ KisPaintDeviceSP src = m_parent->m_currentImage->activeDevice();
+ GrayMatrix dst = GrayMatrix(rc.width(),GrayCol(rc.height()));
+
+ detectEdges (rc, src, dst);
+ reduceMatrix (rc, dst, 3, 3, 3, 3);
+
+ Node startNode, endNode;
+ multiset<Node> openSet;
+ NodeMatrix openMatrix = NodeMatrix(rc.width(),NodeCol(rc.height()));
+ NodeMatrix closedMatrix = NodeMatrix(rc.width(),NodeCol(rc.height()));
+
+ TQPoint tl(rc.topLeft().x(),rc.topLeft().y());
+ start -= tl; // Relative to the matrix
+ end -= tl; // Relative to the matrix
+
+ findEdge (start.x(), start.y(), dst, startNode);
+ openMatrix[startNode.col()][startNode.row()] = *openSet.insert(startNode);
+ endNode.setPos(end);
+
+ while (!openSet.empty()) {
+ Node current = *openSet.begin();
+
+ openSet.erase(openSet.begin());
+ openMatrix[current.col()][current.row()].clear();
+
+ TQValueList<Node> successors = current.getNeighbor(dst,endNode);
+ for (TQValueList<Node>::iterator i = successors.begin(); i != successors.end(); i++) {
+ int col = (*i).col();
+ int row = (*i).row();
+ if ((*i) == endNode) {
+ while (current.tqparent() != TQPoint(-1,-1)) {
+ it = addPoint(it,KisPoint(tl+current.pos()),false,false,LINEHINT);
+ current = closedMatrix[current.tqparent().x()][current.tqparent().y()];
+ }
+ return;
+ }
+ Node *openNode = &openMatrix[col][row];
+ if (*openNode != TQPoint(-1,-1)) {
+ if (*i > *openNode)
+ continue;
+ else {
+ openSet.erase(tqFind(openSet.begin(),openSet.end(),*openNode));
+ openNode->clear(); // Clear the Node
+ }
+ }
+ Node *closedNode = &closedMatrix[col][row];
+ if (*closedNode != TQPoint(-1,-1)) {
+ if ((*i) > (*closedNode))
+ continue;
+ else {
+ openMatrix[col][row] = *openSet.insert(*closedNode);
+ closedNode->clear(); // Clear the Node
+ continue;
+ }
+ }
+ openMatrix[col][row] = *openSet.insert(*i);
+ }
+ closedMatrix[current.col()][current.row()] = current;
+ }
+}
+
+void KisCurveMagnetic::findEdge (int col, int row, const GrayMatrix& src, Node& node)
+{
+ int x = -1;
+ int y = -1;
+
+ // tmpdist out of range
+ KisVector2D mindist(5.0,5.0), tmpdist(1000.0,1000.0);
+ for (int i = -5; i < 6; i++) {
+ for (int j = -5; j < 6; j++) {
+ if (src[col+i][row+j] != NOEDGE) {
+ tmpdist = KisVector2D(i,j);
+ if (tmpdist.length() < mindist.length())
+ mindist = tmpdist;
+ }
+ }
+ }
+ if (tmpdist.x() == 1000.0)
+ mindist = KisVector2D(0.0,0.0);
+
+ x = (int)(col + mindist.x());
+ y = (int)(row + mindist.y());
+
+ node.setPos(TQPoint(x,y));
+}
+
+void KisCurveMagnetic::reduceMatrix (TQRect& rc, GrayMatrix& m, int top, int right, int bottom, int left)
+{
+ TQPoint topleft(top, left);
+ TQPoint bottomright(bottom, right);
+
+ rc.setTopLeft(rc.topLeft()+topleft);
+ rc.setBottomRight(rc.bottomRight()-bottomright);
+
+ if (left)
+ m.erase(m.begin(),m.begin()+left);
+ if (right)
+ m.erase(m.end()-right,m.end());
+ if (top) {
+ for (uint i = 0; i < m.count(); i++)
+ m[i].erase(m[i].begin(),m[i].begin()+top);
+ }
+ if (bottom) {
+ for (uint i = 0; i < m.count(); i++)
+ m[i].erase(m[i].end()-bottom,m[i].end());
+ }
+}
+
+void KisCurveMagnetic::detectEdges (const TQRect & rect, KisPaintDeviceSP src, GrayMatrix& dst)
+{
+ GrayMatrix graysrc(rect.width(),GrayCol(rect.height()));
+ GrayMatrix xdeltas(rect.width(),GrayCol(rect.height()));
+ GrayMatrix ydeltas(rect.width(),GrayCol(rect.height()));
+ GrayMatrix magnitude(rect.width(),GrayCol(rect.height()));
+ KisPaintDeviceSP smooth = new KisPaintDevice(src->colorSpace());
+
+ gaussianBlur(rect, src, smooth);
+ toGrayScale(rect, smooth, graysrc);
+ getDeltas(graysrc, xdeltas, ydeltas);
+ getMagnitude(xdeltas, ydeltas, magnitude);
+ nonMaxSupp(magnitude, xdeltas, ydeltas, dst);
+}
+
+void KisCurveMagnetic::gaussianBlur (const TQRect& rect, KisPaintDeviceSP src, KisPaintDeviceSP dst)
+{
+ int grectx = rect.x();
+ int grecty = rect.y();
+ int grectw = rect.width();
+ int grecth = rect.height();
+ if (dst != src) {
+ KisPainter gc(dst);
+ gc.bitBlt(grectx, grecty, COMPOSITE_COPY, src, grectx, grecty, grectw, grecth);
+ gc.end();
+ }
+
+ KisConvolutionPainter painter( dst );
+ // FIXME createKernel could create dynamic gaussian kernels having sigma as argument
+ KisKernelSP kernel = createKernel( 1, 1, 1, 1, 24, 1, 1, 1, 1, 32, 0);
+ painter.applyMatrix(kernel, grectx, grecty, grectw, grecth, BORDER_AVOID);
+}
+
+void KisCurveMagnetic::toGrayScale (const TQRect& rect, KisPaintDeviceSP src, GrayMatrix& dst)
+{
+ int grectx = rect.x();
+ int grecty = rect.y();
+ int grectw = rect.width();
+ int grecth = rect.height();
+ TQColor c;
+ KisColorSpace *cs = src->colorSpace();
+
+ for (int row = 0; row < grecth; row++) {
+ KisHLineIteratorPixel srcIt = src->createHLineIterator(grectx, grecty+row, grectw, false);
+ for (int col = 0; col < grectw; col++) {
+ cs->toTQColor(srcIt.rawData(),&c);
+ dst[col][row] = tqGray(c.rgb());
+ ++srcIt;
+ }
+ }
+}
+
+void KisCurveMagnetic::getDeltas (const GrayMatrix& src, GrayMatrix& xdelta, GrayMatrix& ydelta)
+{
+ uint start = 1, xend = src[0].count()-1, yend = src.count()-1;
+ TQ_INT16 deri;
+ for (uint col = 0; col < src.count(); col++) {
+ for (uint row = 0; row < src[col].count(); row++) {
+ if (row >= start && row < xend) {
+ deri = src[col][row+1] - src[col][row-1];
+ xdelta[col][row] = deri;
+ } else
+ xdelta[col][row] = 0;
+ if (col >= start && col < yend) {
+ deri = src[col+1][row] - src[col-1][row];
+ ydelta[col][row] = deri;
+ } else
+ ydelta[col][row] = 0;
+ }
+ }
+}
+
+void KisCurveMagnetic::getMagnitude (const GrayMatrix& xdelta, const GrayMatrix& ydelta, GrayMatrix& gradient)
+{
+ for (uint col = 0; col < xdelta.count(); col++) {
+ for (uint row = 0; row < xdelta[col].count(); row++)
+ gradient[col][row] = (TQ_INT16)(ROUND(RMS(xdelta[col][row],ydelta[col][row])));
+ }
+}
+
+void KisCurveMagnetic::nonMaxSupp (const GrayMatrix& magnitude, const GrayMatrix& xdelta, const GrayMatrix& ydelta, GrayMatrix& nms)
+{
+ // Directions:
+ // 1: 0 - 22.5 degrees
+ // 2: 22.5 - 67.5 degrees
+ // 3: 67.5 - 90 degrees
+ // Second direction is relative to a quadrant. The quadrant is known by looking at x and y derivatives
+ // First quadrant: Gx < 0 & Gy >= 0
+ // Second quadrant: Gx < 0 & Gy < 0
+ // Third quadrant: Gx >= 0 & Gy < 0
+ // Fourth quadrant: Gx >= 0 & Gy >= 0
+ // For this reason: first direction is relative to Gy only and third direction to Gx only
+
+ double theta; // theta = invtan (|Gy| / |Gx|) This give the direction relative to a quadrant
+ TQ_INT16 mag; // Current magnitude
+ TQ_INT16 lmag; // Magnitude at the left (So this pixel is "more internal" than the current
+ TQ_INT16 rmag; // Magnitude at the right (So this pixel is "more external")
+ double xdel; // Current xdelta
+ double ydel; // Current ydelta
+ TQ_INT16 result;
+
+ for (uint col = 0; col < magnitude.count(); col++) {
+ for (uint row = 0; row < magnitude[col].count(); row++) {
+ mag = magnitude[col][row];
+ if (!mag || row == 0 || row == (magnitude[col].count()-1) ||
+ col == 0 || col == (magnitude.count()-1))
+ {
+ result = NOEDGE;
+ } else {
+ xdel = (double)xdelta[col][row];
+ ydel = (double)ydelta[col][row];
+ theta = atan(fabs(ydel)/fabs(xdel));
+ if (theta < 0)
+ theta = fabs(theta)+M_PI_2;
+ theta = (theta * 360.0) / (2.0*M_PI); // Radians -> degrees
+ if (theta >= 0 && theta < 22.5) { // .0 - .3926990816
+ if (ydel >= 0) {
+ lmag = magnitude[col][row-1];
+ rmag = magnitude[col][row+1];
+ } else {
+ lmag = magnitude[col][row+1];
+ rmag = magnitude[col][row-1];
+ }
+ }
+ if (theta >= 22.5 && theta < 67.5) { // .3926990816 - 1.1780972449
+ if (xdel >= 0) {
+ if (ydel >= 0) {
+ lmag = magnitude[col-1][row-1];
+ rmag = magnitude[col+1][row+1];
+ } else {
+ lmag = magnitude[col+1][row-1];
+ rmag = magnitude[col-1][row+1];
+ }
+ } else {
+ if (ydel >= 0) {
+ lmag = magnitude[col-1][row+1];
+ rmag = magnitude[col+1][row-1];
+ } else {
+ lmag = magnitude[col+1][row+1];
+ rmag = magnitude[col-1][row-1];
+ }
+ }
+ }
+ if (theta >= 67.5 && theta <= 90.0) { // 1.1780972449 - 1.5707963266
+ if (xdel >= 0) {
+ lmag = magnitude[col+1][row];
+ rmag = magnitude[col-1][row];
+ } else {
+ lmag = magnitude[col-1][row];
+ rmag = magnitude[col+1][row];
+ }
+ }
+
+ if ((mag < lmag) || (mag < rmag)) {
+ result = NOEDGE;
+ } else {
+ if (rmag == mag) // If the external magnitude is equal to the current, suppress current.
+ result = NOEDGE;
+ else
+ result = (mag > 255) ? 255 : mag;
+ }
+ }
+ nms[col][row] = result;
+ }
+ }
+}
+
+KisToolMagnetic::KisToolMagnetic ()
+ : super("Magnetic Outline Tool")
+{
+ setName("tool_moutline");
+ setCursor(KisCursor::load("tool_moutline_cursor.png", 6, 6));
+
+ m_editingMode = false;
+ m_editingCursor = m_draggingCursor = false;
+
+ m_mode = 0;
+ m_curve = m_derived = 0;
+ m_current = m_previous = 0;
+
+ m_distance = DEFAULTDIST;
+
+ m_transactionMessage = i18n("Magnetic Outline Selection");
+}
+
+KisToolMagnetic::~KisToolMagnetic ()
+{
+ m_curve = 0;
+ delete m_derived;
+}
+
+void KisToolMagnetic::update (KisCanvasSubject *subject)
+{
+ super::update(subject);
+}
+
+void KisToolMagnetic::activate ()
+{
+ super::activate();
+ if (!m_derived) {
+ m_derived = new KisCurveMagnetic(this);
+ m_curve = m_derived;
+ }
+}
+
+void KisToolMagnetic::deactivate ()
+{
+ m_curve->endActionOptions();
+ m_actionOptions = NOOPTIONS;
+ m_dragging = false;
+ m_drawPivots = true;
+}
+
+void KisToolMagnetic::keyPress(TQKeyEvent *event)
+{
+ if (event->key() == TQt::Key_Control) {
+ draw(false);
+ if (m_editingMode) {
+ m_editingMode = false;
+ if (m_current != 0)
+ m_curve->selectPivot(m_current,false);
+ m_mode->setText(i18n("Automatic Mode"));
+ } else {
+ m_editingMode = true;
+ m_mode->setText(i18n("Manual Mode"));
+ }
+ draw(false);
+ } else if (event->key() == TQt::Key_Delete && m_curve->count()) {
+ draw(false);
+ m_dragging = false;
+ if (m_curve->pivots().count() == 2)
+ m_curve->clear();
+ else {
+ if ((*m_current) == m_curve->last() && !(m_editingMode)) {
+ m_curve->deletePivot(m_current.previousPivot());
+ m_previous = m_current.previousPivot();
+ } else {
+ m_editingMode = false;
+ m_curve->deletePivot(m_current);
+ m_previous = m_current = m_curve->selectPivot(m_curve->lastIterator());
+ m_editingMode = true;
+ }
+ }
+ draw(false);
+ } else
+ super::keyPress(event);
+}
+
+void KisToolMagnetic::buttonRelease(KisButtonReleaseEvent *event)
+{
+ if (m_editingMode) {
+ draw(m_current);
+ m_editingMode = false;
+ if (!m_curve->isEmpty())
+ m_curve->movePivot(m_current, m_currentPoint);
+ m_editingMode = true;
+ draw(m_current);
+ }
+ super::buttonRelease(event);
+}
+
+void KisToolMagnetic::buttonPress(KisButtonPressEvent *event)
+{
+ updateOptions(event->state());
+ if (!m_currentImage)
+ return;
+ if (event->button() == Qt::LeftButton) {
+ m_dragging = true;
+ m_currentPoint = event->pos();
+ PointPair temp(m_curve->end(),false);
+ if (m_editingMode)
+ temp = pointUnderMouse (m_subject->canvasController()->windowToView(event->pos().toTQPoint()));
+ if (temp.first == m_curve->end() && !(m_actionOptions)) {
+ if (m_editingMode) {
+ draw(true, true);
+ m_curve->selectAll(false);
+ draw(true, true);
+ }
+ draw(m_curve->end());
+ if (!m_curve->isEmpty()) {
+ m_previous = m_current;
+ m_current = m_curve->pushPivot(event->pos());
+ } else {
+ m_previous = m_current = m_curve->pushPivot(event->pos());
+ }
+ if (m_curve->pivots().count() > 1)
+ m_curve->calculateCurve(m_previous,m_current,m_current);
+ if (m_editingMode)
+ draw();
+ else {
+ if ((*m_previous).point() == (*m_current).point())
+ draw(m_curve->end());
+ else
+ draw();
+ }
+ } else if (temp.first != m_curve->end() && m_editingMode) {
+ if (temp.second) {
+ draw(true, true);
+ m_current = m_curve->selectPivot(temp.first);
+ draw(true, true);
+ } else {
+ draw(false);
+ m_current = selectByMouse(temp.first);
+ draw(false);
+ }
+ if (!(*m_current).isSelected())
+ m_dragging = false;
+ }
+ }
+}
+
+void KisToolMagnetic::move(KisMoveEvent *event)
+{
+ updateOptions(event->state());
+ if (m_currentPoint == event->pos().floorTQPoint())
+ return;
+ if (m_editingMode) {
+ PointPair temp = pointUnderMouse(m_subject->canvasController()->windowToView(event->pos().toTQPoint()));
+ if (temp.first == m_curve->end() && !m_dragging) {
+ if (m_editingCursor || m_draggingCursor) {
+ setCursor(KisCursor::load("tool_moutline_cursor.png", 6, 6));
+ m_editingCursor = m_draggingCursor = false;
+ }
+ } else {
+ if (!m_draggingCursor && temp.second) {
+ setCursor(KisCursor::load("tool_moutline_dragging.png", 6, 6));
+ m_editingCursor = false;
+ m_draggingCursor = true;
+ }
+ if (!m_editingCursor && !temp.second) {
+ setCursor(KisCursor::load("tool_moutline_editing.png", 6, 6));
+ m_editingCursor = true;
+ m_draggingCursor = false;
+ }
+ }
+ if (!m_dragging)
+ return;
+ } else {
+ if (m_editingCursor || m_draggingCursor) {
+ setCursor(KisCursor::load("tool_moutline_cursor.png", 6, 6));
+ m_editingCursor = m_draggingCursor = false;
+ }
+ }
+ if (m_curve->selectedPivots().isEmpty())
+ return;
+
+ KisPoint trans = event->pos() - m_currentPoint;
+ KisPoint dist;
+ dist = (*m_current).point() - (*m_current.previousPivot()).point();
+ if ((m_distance >= MINDIST && (fabs(dist.x()) + fabs(dist.y())) > m_distance && !(m_editingMode))
+ || m_curve->pivots().count() == 1) {
+ draw(m_curve->end());
+ m_previous = m_current;
+ m_current = m_curve->pushPivot(event->pos());
+ } else if ((*m_previous).point() == (*m_current).point() && (*m_previous).point() == m_curve->last().point())
+ draw(m_curve->end());
+ else
+ draw(m_current);
+ m_curve->movePivot(m_current,event->pos());
+ m_currentPoint = event->pos().floorTQPoint();
+ draw(m_current);
+}
+
+KisCurve::iterator KisToolMagnetic::selectByMouse(KisCurve::iterator it)
+{
+ KisCurve::iterator currPivot = m_curve->selectPivot(m_curve->addPivot(it, KisPoint(0,0)));
+ m_curve->movePivot(currPivot,(*it).point());
+
+ return currPivot;
+}
+
+void KisToolMagnetic::slotCommitCurve ()
+{
+ if (!m_curve->isEmpty())
+ commitCurve();
+}
+
+void KisToolMagnetic::slotSetDistance (int dist)
+{
+ m_distance = dist;
+}
+
+TQWidget* KisToolMagnetic::createOptionWidget(TQWidget* tqparent)
+{
+ m_optWidget = super::createOptionWidget(tqparent);
+ TQVBoxLayout * l = dynamic_cast<TQVBoxLayout*>(m_optWidget->tqlayout());
+ TQGridLayout *box = new TQGridLayout(l, 2, 2, 3);
+ box->setColStretch(0, 1);
+ box->setColStretch(1, 1);
+ Q_CHECK_PTR(box);
+
+ m_mode = new TQLabel(i18n("Automatic mode"), m_optWidget);
+ m_lbDistance = new TQLabel(i18n("Distance: "), m_optWidget);
+ TQPushButton *finish = new TQPushButton(i18n("To Selection"), m_optWidget);
+ m_slDistance = new TQSlider(MINDIST, MAXDIST, PAGESTEP, m_distance, Qt::Horizontal, m_optWidget);
+
+ connect(m_slDistance, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(slotSetDistance(int)));
+ connect(finish, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotCommitCurve()));
+
+ box->addWidget(m_lbDistance, 0, 0);
+ box->addWidget(m_slDistance, 0, 1);
+ box->addWidget(m_mode, 1, 0);
+ box->addWidget(finish, 1, 1);
+
+ return m_optWidget;
+}
+
+void KisToolMagnetic::setup(KActionCollection *collection)
+{
+ m_action = static_cast<KRadioAction *>(collection->action(name()));
+
+ if (m_action == 0) {
+ KShortcut shortcut(TQt::Key_Plus);
+ shortcut.append(KShortcut(TQt::Key_F9));
+ m_action = new KRadioAction(i18n("Magnetic Outline"),
+ "tool_moutline",
+ shortcut,
+ this,
+ TQT_SLOT(activate()),
+ collection,
+ name());
+ Q_CHECK_PTR(m_action);
+
+ m_action->setToolTip(i18n("Magnetic Selection: move around an edge to select it. Hit Ctrl to enter/quit manual mode, and double click to finish."));
+ m_action->setExclusiveGroup("tools");
+ m_ownAction = true;
+ }
+}
+
+#include "kis_tool_moutline.moc"
generated by cgit v1.2.1 (git 2.18.0) at 2025-03-06 10:08:31 +0000