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133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
#include <QPainter>
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#include "nmObjLine.h"
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#include "nmObjLineTool.h"
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nmObjLineTool::nmObjLineTool()
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{
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setText(tr("nObjLineTool"));
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m_oNot = NOT_Line;
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}
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bool nmObjLineTool::onLeftDown(const QPointF& pt)
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{
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if (NULL == m_pObj) {
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m_ptStart = pt;
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m_bTracking = true;
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return true;
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}
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return nmObjPointTool::onLeftDown(pt);
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}
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bool nmObjLineTool::onMouseMove(const QPointF& pt)
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{
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if (NULL == m_pObj) {
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m_ptMove = pt;
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// Qt::CursorShape o = getCursorBy(0, 0);
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// changeCursor(o);
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if (m_bTracking) {
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m_rtTracker = getView()->adjustRectFitViewAspect(getTrackRect());
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updateLastMoveArea(true);
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}
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return true;
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}
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return nmObjPointTool::onMouseMove(pt);
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}
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bool nmObjLineTool::onLeftUp(const QPointF& pt)
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{
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if (NULL == m_pObj) {
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getView()->setSnapshotMode(false);
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if (m_bTracking) {
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m_bTracking = false;
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}
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QVector<QPointF> vec;
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vec << m_ptStart << pt;
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emit sigPtsFinished(vec);
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return true;
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}
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return nmObjPointTool::onLeftUp(pt);
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}
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bool nmObjLineTool::onMouseWheel(const QPointF& pt, int delta)
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{
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return nmObjPointTool::onMouseWheel(pt, delta);
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}
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bool nmObjLineTool::onLeftDoubleClick(const QPointF& pt)
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{
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return nmObjPointTool::onLeftDoubleClick(pt);
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}
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void nmObjLineTool::onPaint(QPainter* painter, const ZxPaintParam& param)
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{
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nmObjLine* pObj = dynamic_cast<nmObjLine*>(m_pObj);
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if (pObj == NULL) {
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Qt::CursorShape o = Qt::CrossCursor;
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if (m_bTracking) {
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painter->save();
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QPen focus(Qt::DashLine);
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painter->setPen(focus);
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painter->drawLine(m_ptStart, getCurrentPos());
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changeCursor(o);
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painter->restore();
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} else {
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changeCursor(o);
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}
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} else {
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if (m_bTracking) {
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painter->save();
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Qt::CursorShape o = getCursorBy((int)m_oHitOption, pObj->m_nHitIndex);
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QVector<QPointF> vec = pObj->getAllPos();
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if (m_oHitOption == OHO_Point &&
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pObj->m_nHitIndex == 0) {
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QPen focus(Qt::DashLine);
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QPointF endPoint = vec[1];
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painter->drawPoint(endPoint);
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painter->drawPoint(getCurrentPos());
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painter->setPen(focus);
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painter->drawLine(endPoint, getCurrentPos());
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} else if (m_oHitOption == OHO_Point &&
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pObj->m_nHitIndex == 1) {
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QPen focus(Qt::DashLine);
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QPointF startPoint = vec[0];
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painter->drawPoint(startPoint);
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painter->drawPoint(getCurrentPos());
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painter->setPen(focus);
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painter->drawLine(startPoint, getCurrentPos());
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} else if (m_oHitOption == OHO_Bound) {
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QPen focus(Qt::DashLine);
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QPointF pt1 = vec[0];
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QPointF pt2 = vec[1];
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QPointF ptOld = m_ptStart;
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QPointF ptNew = getCurrentPos();
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pt1 = pObj->offsetPoint(pt1, ptOld, ptNew);
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pt2 = pObj->offsetPoint(pt2, ptOld, ptNew);
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painter->drawPoint(pt1);
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painter->drawPoint(pt2);
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painter->setPen(focus);
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painter->drawLine(pt1, pt2);
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}
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changeCursor(o);
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painter->restore();
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}
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}
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}
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Qt::CursorShape nmObjLineTool::getCursorBy(const int& nOption,
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const int& nSubIndex)
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{
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if (nOption < 0) {
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return Qt::ArrowCursor;
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}
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ObjHitOption oHitOption = (ObjHitOption)nOption;
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if (oHitOption == OHO_Point) {
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return (Qt::CrossCursor);
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} else if (oHitOption == OHO_Bound) {
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return (Qt::SizeAllCursor);
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}
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return Qt::ArrowCursor;
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}
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