637 lines
25 KiB
C++
637 lines
25 KiB
C++
#include <QGraphicsPixmapItem>
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#include <QXmlStreamWriter>
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#include <QFile>
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#include <QApplication>
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#include <cmath>
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#include <map>
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#include <vector>
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#include <assert.h>
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#include "skeletoneditgraphicsview.h"
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#include "skeletoneditnodeitem.h"
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#include "skeletoneditedgeitem.h"
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qreal SkeletonEditGraphicsView::m_initialNodeSize = 128;
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qreal SkeletonEditGraphicsView::m_minimalNodeSize = 8;
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SkeletonEditGraphicsView::SkeletonEditGraphicsView(QWidget *parent) :
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QGraphicsView(parent),
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m_pendingNodeItem(NULL),
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m_pendingEdgeItem(NULL),
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m_inAddNodeMode(true),
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m_nextStartNodeItem(NULL),
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m_lastHoverNodeItem(NULL),
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m_lastMousePos(0, 0),
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m_isMovingNodeItem(false),
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m_backgroundLoaded(false),
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m_selectedEdgeItem(NULL)
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{
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setScene(new QGraphicsScene());
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m_backgroundItem = new QGraphicsPixmapItem();
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m_backgroundItem->setOpacity(0.25);
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scene()->addItem(m_backgroundItem);
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m_pendingNodeItem = new QGraphicsEllipseItem(0, 0, m_initialNodeSize, m_initialNodeSize);
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m_pendingNodeItem->setVisible(false);
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scene()->addItem(m_pendingNodeItem);
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m_pendingEdgeItem = new QGraphicsLineItem(0, 0, 0, 0);
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m_pendingEdgeItem->setVisible(false);
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scene()->addItem(m_pendingEdgeItem);
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}
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void SkeletonEditGraphicsView::toggleAddNodeMode()
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{
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if (!m_backgroundLoaded)
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return;
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m_inAddNodeMode = !m_inAddNodeMode;
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applyAddNodeMode();
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}
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void SkeletonEditGraphicsView::applyAddNodeMode()
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{
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m_pendingNodeItem->setVisible(m_inAddNodeMode);
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m_pendingEdgeItem->setVisible(m_inAddNodeMode && m_nextStartNodeItem);
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setMouseTracking(true);
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}
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void SkeletonEditGraphicsView::turnOffAddNodeMode()
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{
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if (!m_backgroundLoaded)
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return;
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m_inAddNodeMode = false;
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applyAddNodeMode();
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}
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void SkeletonEditGraphicsView::turnOnAddNodeMode()
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{
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if (!m_backgroundLoaded)
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return;
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m_inAddNodeMode = true;
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applyAddNodeMode();
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}
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SkeletonEditNodeItem *SkeletonEditGraphicsView::findNodeItemByPos(QPointF pos)
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{
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QList<QGraphicsItem *>::iterator it;
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QList<QGraphicsItem *> list = scene()->items();
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for (it = list.begin(); it != list.end(); ++it) {
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if ((*it)->data(0).toString() == "node") {
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SkeletonEditNodeItem *nodeItem = static_cast<SkeletonEditNodeItem *>(*it);
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if (nodeItem->shape().contains(pos)) {
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return nodeItem;
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}
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}
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}
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return NULL;
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}
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SkeletonEditEdgeItem *SkeletonEditGraphicsView::findEdgeItemByPos(QPointF pos)
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{
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QList<QGraphicsItem *>::iterator it;
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QList<QGraphicsItem *> list = scene()->items();
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for (it = list.begin(); it != list.end(); ++it) {
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if ((*it)->data(0).toString() == "edge") {
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SkeletonEditEdgeItem *edgeItem = static_cast<SkeletonEditEdgeItem *>(*it);
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if (edgeItem->shape().contains(pos)) {
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return edgeItem;
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}
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}
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}
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return NULL;
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}
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SkeletonEditEdgeItem *SkeletonEditGraphicsView::findEdgeItemByNodePair(SkeletonEditNodeItem *first,
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SkeletonEditNodeItem *second)
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{
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QList<QGraphicsItem *>::iterator it;
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QList<QGraphicsItem *> list = scene()->items();
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assert(first != second);
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for (it = list.begin(); it != list.end(); ++it) {
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if ((*it)->data(0).toString() == "edge") {
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SkeletonEditEdgeItem *edgeItem = static_cast<SkeletonEditEdgeItem *>(*it);
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if ((edgeItem->firstNode() == first || edgeItem->secondNode() == first) &&
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(edgeItem->firstNode() == second || edgeItem->secondNode() == second)) {
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return edgeItem;
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}
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}
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}
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return NULL;
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}
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void SkeletonEditGraphicsView::mousePressEvent(QMouseEvent *event)
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{
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QWidget::mousePressEvent(event);
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if (!m_backgroundLoaded)
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return;
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QPointF pos = mapToScene(event->pos());
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if (event->button() == Qt::LeftButton) {
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if (!m_inAddNodeMode) {
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if (m_lastHoverNodeItem) {
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setNextStartNodeItem(m_lastHoverNodeItem->master());
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m_lastHoverNodeItem = NULL;
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} else {
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if (m_nextStartNodeItem) {
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setNextStartNodeItem(NULL);
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}
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}
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SkeletonEditEdgeItem *edgeItem = findEdgeItemByPos(pos);
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if (edgeItem) {
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if (m_selectedEdgeItem != edgeItem) {
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if (m_selectedEdgeItem) {
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m_selectedEdgeItem->setChecked(false);
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m_selectedEdgeItem = NULL;
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}
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edgeItem->setChecked(true);
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m_selectedEdgeItem = edgeItem;
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emit edgeCheckStateChanged();
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}
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} else {
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if (m_selectedEdgeItem) {
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m_selectedEdgeItem->setChecked(false);
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m_selectedEdgeItem = NULL;
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emit edgeCheckStateChanged();
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}
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}
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}
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}
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m_lastMousePos = pos;
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}
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void SkeletonEditGraphicsView::mouseDoubleClickEvent(QMouseEvent *event)
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{
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QWidget::mouseDoubleClickEvent(event);
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if (QApplication::keyboardModifiers() & Qt::ControlModifier)
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emit changeTurnaroundTriggered();
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}
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float SkeletonEditGraphicsView::findXForSlave(float x)
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{
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return x - m_backgroundItem->boundingRect().width() / 4;
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}
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void SkeletonEditGraphicsView::removeSelectedItems()
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{
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if (m_nextStartNodeItem) {
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SkeletonEditNodeItem *nodeItem = m_nextStartNodeItem;
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setNextStartNodeItem(NULL);
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removeNodeItem(nodeItem);
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emit nodesChanged();
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}
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}
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void SkeletonEditGraphicsView::removeNodeItem(SkeletonEditNodeItem *nodeItem)
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{
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if (nodeItem->pair()) {
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scene()->removeItem(nodeItem->pair());
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}
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scene()->removeItem(nodeItem);
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QList<QGraphicsItem *>::iterator it;
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QList<QGraphicsItem *> list = scene()->items();
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for (it = list.begin(); it != list.end(); ++it) {
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if ((*it)->data(0).toString() == "edge") {
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SkeletonEditEdgeItem *edgeItem = static_cast<SkeletonEditEdgeItem *>(*it);
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if (edgeItem->firstNode() == nodeItem || edgeItem->secondNode() == nodeItem) {
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scene()->removeItem(edgeItem);
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}
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}
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}
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}
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void SkeletonEditGraphicsView::removeGroupByNodeItem(SkeletonEditNodeItem *nodeItem)
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{
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if (nodeItem->pair()) {
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scene()->removeItem(nodeItem->pair());
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}
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scene()->removeItem(nodeItem);
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QList<QGraphicsItem *>::iterator it;
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QList<QGraphicsItem *> list = scene()->items();
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std::vector<SkeletonEditNodeItem *> delayRemoveList;
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for (it = list.begin(); it != list.end(); ++it) {
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if ((*it)->data(0).toString() == "edge") {
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SkeletonEditEdgeItem *edgeItem = static_cast<SkeletonEditEdgeItem *>(*it);
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if (edgeItem->firstNode() == nodeItem) {
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scene()->removeItem(edgeItem);
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delayRemoveList.push_back(edgeItem->secondNode());
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} else if (edgeItem->secondNode() == nodeItem) {
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scene()->removeItem(edgeItem);
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delayRemoveList.push_back(edgeItem->firstNode());
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}
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}
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}
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for (size_t i = 0; i < delayRemoveList.size(); i++) {
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removeNodeItem(delayRemoveList[i]);
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}
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}
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void SkeletonEditGraphicsView::keyPressEvent(QKeyEvent *event)
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{
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QWidget::keyPressEvent(event);
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if (!m_backgroundLoaded)
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return;
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if (event->key() == Qt::Key_A)
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toggleAddNodeMode();
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else if (event->key() == Qt::Key_Delete || event->key() ==Qt::Key_Backspace) {
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removeSelectedItems();
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}
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}
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void SkeletonEditGraphicsView::resizeEvent(QResizeEvent *event)
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{
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QFrame::resizeEvent(event);
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emit sizeChanged();
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}
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void SkeletonEditGraphicsView::mouseReleaseEvent(QMouseEvent *event)
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{
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QWidget::mouseReleaseEvent(event);
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if (!m_backgroundLoaded)
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return;
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if (event->button() == Qt::LeftButton) {
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if (m_inAddNodeMode) {
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if (m_lastHoverNodeItem && m_nextStartNodeItem && m_lastHoverNodeItem != m_nextStartNodeItem) {
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if (!findEdgeItemByNodePair(m_lastHoverNodeItem->master(), m_nextStartNodeItem)) {
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SkeletonEditEdgeItem *newEdge = new SkeletonEditEdgeItem();
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newEdge->setNodes(m_nextStartNodeItem, m_lastHoverNodeItem->master());
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scene()->addItem(newEdge);
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emit nodesChanged();
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}
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} else {
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float newNodeX = m_pendingNodeItem->x();
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QRectF newNodeRect = m_pendingNodeItem->rect();
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SkeletonEditNodeItem *masterNode = new SkeletonEditNodeItem(newNodeRect);
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scene()->addItem(masterNode);
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QRectF slaveRect = newNodeRect;
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float x = newNodeX + newNodeRect.width() / 2;
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slaveRect.translate(findXForSlave(x) - x, 0);
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SkeletonEditNodeItem *slaveNode = new SkeletonEditNodeItem(slaveRect);
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scene()->addItem(slaveNode);
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masterNode->setSlave(slaveNode);
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slaveNode->setMaster(masterNode);
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if (m_nextStartNodeItem) {
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SkeletonEditEdgeItem *newEdge = new SkeletonEditEdgeItem();
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newEdge->setNodes(masterNode, m_nextStartNodeItem);
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scene()->addItem(newEdge);
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masterNode->setGroup(m_nextStartNodeItem->group());
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slaveNode->setGroup(masterNode->group());
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} else {
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QGraphicsItemGroup *group = new QGraphicsItemGroup();
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scene()->addItem(group);
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masterNode->setGroup(group);
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slaveNode->setGroup(masterNode->group());
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}
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setNextStartNodeItem(masterNode);
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emit nodesChanged();
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}
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}
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m_isMovingNodeItem = false;
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}
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}
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bool SkeletonEditGraphicsView::canNodeItemMoveTo(SkeletonEditNodeItem *item, QPointF moveTo)
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{
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if (moveTo.x() < 0)
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return false;
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if (moveTo.y() < 0)
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return false;
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if (moveTo.x() + item->rect().width() >= m_backgroundItem->boundingRect().width())
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return false;
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if (moveTo.y() + item->rect().height() >= m_backgroundItem->boundingRect().height())
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return false;
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return true;
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}
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void SkeletonEditGraphicsView::mouseMoveEvent(QMouseEvent *event)
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{
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QWidget::mouseMoveEvent(event);
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if (!m_backgroundLoaded)
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return;
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QPointF pos = mapToScene(event->pos());
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QPointF moveTo = QPointF(pos.x() - m_pendingNodeItem->rect().width() / 2, pos.y() - m_pendingNodeItem->rect().height() / 2);
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if (moveTo.x() < 0)
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moveTo.setX(0);
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if (moveTo.y() < 0)
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moveTo.setY(0);
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if (moveTo.x() + m_pendingNodeItem->rect().width() >= m_backgroundItem->boundingRect().width())
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moveTo.setX(m_backgroundItem->boundingRect().width() - m_pendingNodeItem->rect().width());
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if (moveTo.y() + m_pendingNodeItem->rect().height() >= m_backgroundItem->boundingRect().height())
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moveTo.setY(m_backgroundItem->boundingRect().height() - m_pendingNodeItem->rect().height());
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QSizeF oldSize = m_pendingNodeItem->rect().size();
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m_pendingNodeItem->setRect(moveTo.x(), moveTo.y(),
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oldSize.width(),
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oldSize.height());
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if (m_nextStartNodeItem) {
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m_pendingEdgeItem->setLine(QLineF(m_nextStartNodeItem->origin(), QPointF(moveTo.x() + m_pendingNodeItem->rect().width() / 2,
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moveTo.y() + m_pendingNodeItem->rect().height() / 2)));
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}
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if (!m_isMovingNodeItem) {
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SkeletonEditNodeItem *hoverNodeItem = findNodeItemByPos(pos);
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if (hoverNodeItem) {
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hoverNodeItem->setHighlighted(true);
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}
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if (hoverNodeItem != m_lastHoverNodeItem) {
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if (m_lastHoverNodeItem)
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m_lastHoverNodeItem->setHighlighted(false);
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m_lastHoverNodeItem = hoverNodeItem;
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}
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}
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QPointF curMousePos = pos;
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if (m_lastHoverNodeItem) {
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if ((event->buttons() & Qt::LeftButton) &&
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(curMousePos != m_lastMousePos || m_isMovingNodeItem)) {
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m_isMovingNodeItem = true;
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QRectF rect = m_lastHoverNodeItem->rect();
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QRectF slaveRect;
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if (m_lastHoverNodeItem->isMaster()) {
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rect.translate(curMousePos.x() - m_lastMousePos.x(), curMousePos.y() - m_lastMousePos.y());
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slaveRect = m_lastHoverNodeItem->slave()->rect();
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slaveRect.translate(0, curMousePos.y() - m_lastMousePos.y());
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} else {
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rect.translate(curMousePos.x() - m_lastMousePos.x(), 0);
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}
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if (canNodeItemMoveTo(m_lastHoverNodeItem, QPointF(rect.x(), rect.y()))) {
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if (m_lastHoverNodeItem->isMaster()) {
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m_lastHoverNodeItem->slave()->setRect(slaveRect);
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}
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m_lastHoverNodeItem->setRect(rect);
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QList<QGraphicsItem *>::iterator it;
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QList<QGraphicsItem *> list = scene()->items();
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for (it = list.begin(); it != list.end(); ++it) {
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if ((*it)->data(0).toString() == "edge") {
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SkeletonEditEdgeItem *edgeItem = static_cast<SkeletonEditEdgeItem *>(*it);
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if (edgeItem->connects(m_lastHoverNodeItem))
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edgeItem->updatePosition();
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}
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}
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emit nodesChanged();
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}
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}
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}
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m_lastMousePos = curMousePos;
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}
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void SkeletonEditGraphicsView::AddItemRadius(QGraphicsEllipseItem *item, float delta)
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{
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QSizeF oldSize = item->rect().size();
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QPointF originPt = QPointF(item->rect().left() + oldSize.width() / 2,
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item->rect().top() + oldSize.height() / 2);
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QSizeF newSize = QSizeF(oldSize.width() + delta, oldSize.height() + delta);
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if (newSize.width() < m_minimalNodeSize || newSize.height() < m_minimalNodeSize) {
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newSize.setWidth(m_minimalNodeSize);
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newSize.setHeight(m_minimalNodeSize);
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}
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QPointF newLeftTop = QPointF(originPt.x() - newSize.width() / 2,
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originPt.y() - newSize.height() / 2);
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if (newLeftTop.x() < 0 || newLeftTop.x() + newSize.width() >= m_backgroundItem->boundingRect().width())
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return;
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if (newLeftTop.y() < 0 || newLeftTop.y() + newSize.height() >= m_backgroundItem->boundingRect().height())
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return;
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item->setRect(newLeftTop.x(),
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newLeftTop.y(),
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newSize.width(),
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newSize.height());
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}
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bool SkeletonEditGraphicsView::canAddItemRadius(QGraphicsEllipseItem *item, float delta)
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{
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QSizeF oldSize = item->rect().size();
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QPointF originPt = QPointF(item->rect().left() + oldSize.width() / 2,
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item->rect().top() + oldSize.height() / 2);
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QSizeF newSize = QSizeF(oldSize.width() + delta, oldSize.height() + delta);
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if (newSize.width() < m_minimalNodeSize || newSize.height() < m_minimalNodeSize) {
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newSize.setWidth(m_minimalNodeSize);
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newSize.setHeight(m_minimalNodeSize);
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}
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QPointF newLeftTop = QPointF(originPt.x() - newSize.width() / 2,
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originPt.y() - newSize.height() / 2);
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if (newLeftTop.x() < 0 || newLeftTop.x() + newSize.width() >= m_backgroundItem->boundingRect().width())
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return false;
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if (newLeftTop.y() < 0 || newLeftTop.y() + newSize.height() >= m_backgroundItem->boundingRect().height())
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return false;
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return true;
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}
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void SkeletonEditGraphicsView::wheelEvent(QWheelEvent *event)
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{
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QWidget::wheelEvent(event);
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if (!m_backgroundLoaded)
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return;
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qreal delta = event->delta() / 10;
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if (fabs(delta) < 1)
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delta = delta < 0 ? -1.0 : 1.0;
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AddItemRadius(m_pendingNodeItem, delta);
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if (!m_inAddNodeMode && m_lastHoverNodeItem) {
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if (canAddItemRadius(m_lastHoverNodeItem, delta)) {
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AddItemRadius(m_lastHoverNodeItem, delta);
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}
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emit nodesChanged();
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}
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}
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void SkeletonEditGraphicsView::setNextStartNodeItem(SkeletonEditNodeItem *item)
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{
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if (m_nextStartNodeItem != item) {
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if (m_nextStartNodeItem)
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m_nextStartNodeItem->setIsNextStartNode(false);
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}
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m_nextStartNodeItem = item;
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if (m_nextStartNodeItem)
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m_nextStartNodeItem->setIsNextStartNode(true);
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applyAddNodeMode();
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}
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void SkeletonEditGraphicsView::updateBackgroundImage(const QImage &image)
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{
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QSizeF oldSceneSize = scene()->sceneRect().size();
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QPixmap pixmap = QPixmap::fromImage(image);
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m_backgroundItem->setPixmap(pixmap);
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scene()->setSceneRect(pixmap.rect());
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adjustItems(oldSceneSize, scene()->sceneRect().size());
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if (!m_backgroundLoaded) {
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m_backgroundLoaded = true;
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applyAddNodeMode();
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}
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}
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QPixmap SkeletonEditGraphicsView::backgroundImage()
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{
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return m_backgroundItem->pixmap();
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}
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bool SkeletonEditGraphicsView::hasBackgroundImage()
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{
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return m_backgroundLoaded;
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}
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void SkeletonEditGraphicsView::adjustItems(QSizeF oldSceneSize, QSizeF newSceneSize)
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{
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if (oldSceneSize == newSceneSize)
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return;
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float radiusMul = (float)newSceneSize.height() / oldSceneSize.height();
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float xMul = (float)newSceneSize.width() / oldSceneSize.width();
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float yMul = radiusMul;
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QList<QGraphicsItem *>::iterator it;
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QList<QGraphicsItem *> list = scene()->items();
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for (it = list.begin(); it != list.end(); ++it) {
|
|
if ((*it)->data(0).toString() == "node") {
|
|
SkeletonEditNodeItem *nodeItem = static_cast<SkeletonEditNodeItem *>(*it);
|
|
nodeItem->setRadius(nodeItem->radius() * radiusMul);
|
|
QPointF oldOrigin = nodeItem->origin();
|
|
nodeItem->setOrigin(QPointF(oldOrigin.x() * xMul, oldOrigin.y() * yMul));
|
|
}
|
|
}
|
|
for (it = list.begin(); it != list.end(); ++it) {
|
|
if ((*it)->data(0).toString() == "edge") {
|
|
SkeletonEditEdgeItem *edgeItem = static_cast<SkeletonEditEdgeItem *>(*it);
|
|
edgeItem->updatePosition();
|
|
}
|
|
}
|
|
}
|
|
|
|
void SkeletonEditGraphicsView::loadFromXmlStream(QXmlStreamReader &reader)
|
|
{
|
|
float radiusMul = 1.0;
|
|
float xMul = 1.0;
|
|
float yMul = radiusMul;
|
|
|
|
std::vector<std::map<QString, QString>> pendingNodes;
|
|
std::vector<std::map<QString, QString>> pendingEdges;
|
|
std::map<QString, SkeletonEditNodeItem *> addedNodeMapById;
|
|
|
|
while (!reader.atEnd()) {
|
|
reader.readNext();
|
|
if (reader.isStartElement()) {
|
|
if (reader.name() == "canvas") {
|
|
QString canvasWidth = reader.attributes().value("width").toString();
|
|
QString canvasHeight = reader.attributes().value("height").toString();
|
|
float canvasHeightWidth = canvasWidth.toFloat();
|
|
float canvasHeightVal = canvasHeight.toFloat();
|
|
if (!hasBackgroundImage()) {
|
|
QPixmap emptyImage((int)canvasHeightWidth, (int)canvasHeightVal);
|
|
emptyImage.fill(QWidget::palette().color(QWidget::backgroundRole()));
|
|
updateBackgroundImage(emptyImage.toImage());
|
|
}
|
|
if (canvasHeightVal > 0)
|
|
radiusMul = (float)scene()->sceneRect().height() / canvasHeightVal;
|
|
if (canvasHeightWidth > 0)
|
|
xMul = (float)scene()->sceneRect().width() / canvasHeightWidth;
|
|
yMul = radiusMul;
|
|
} else if (reader.name() == "origin") {
|
|
if (pendingNodes.size() > 0) {
|
|
pendingNodes[pendingNodes.size() - 1]["x"] = QString("%1").arg(reader.attributes().value("x").toString().toFloat() * xMul);
|
|
pendingNodes[pendingNodes.size() - 1]["y"] = QString("%1").arg(reader.attributes().value("y").toString().toFloat() * yMul);
|
|
}
|
|
} else if (reader.name() == "node") {
|
|
QString nodeId = reader.attributes().value("id").toString();
|
|
QString nodeType = reader.attributes().value("type").toString();
|
|
QString nodePairId = reader.attributes().value("pair").toString();
|
|
QString nodeRadius = reader.attributes().value("radius").toString();
|
|
std::map<QString, QString> pendingNode;
|
|
pendingNode["id"] = nodeId;
|
|
pendingNode["type"] = nodeType;
|
|
pendingNode["pair"] = nodePairId;
|
|
pendingNode["radius"] = QString("%1").arg(nodeRadius.toFloat() * radiusMul);
|
|
pendingNode["x"] = "0";
|
|
pendingNode["y"] = "0";
|
|
pendingNodes.push_back(pendingNode);
|
|
} else if (reader.name() == "edge") {
|
|
QString edgeId = reader.attributes().value("id").toString();
|
|
QString edgeFromNodeId = reader.attributes().value("from").toString();
|
|
QString edgeToNodeId = reader.attributes().value("to").toString();
|
|
if (!edgeFromNodeId.isEmpty() && !edgeToNodeId.isEmpty()) {
|
|
std::map<QString, QString> pendingEdge;
|
|
pendingEdge["id"] = edgeId;
|
|
pendingEdge["from"] = edgeFromNodeId;
|
|
pendingEdge["to"] = edgeToNodeId;
|
|
pendingEdges.push_back(pendingEdge);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < pendingNodes.size(); i++) {
|
|
std::map<QString, QString> *pendingNode = &pendingNodes[i];
|
|
float radius = (*pendingNode)["radius"].toFloat();
|
|
QRectF nodeRect((*pendingNode)["x"].toFloat() - radius, (*pendingNode)["y"].toFloat() - radius,
|
|
radius * 2, radius * 2);
|
|
addedNodeMapById[(*pendingNode)["id"]] = new SkeletonEditNodeItem(nodeRect);
|
|
}
|
|
|
|
for (size_t i = 0; i < pendingNodes.size(); i++) {
|
|
std::map<QString, QString> *pendingNode = &pendingNodes[i];
|
|
if ((*pendingNode)["type"] == "master") {
|
|
addedNodeMapById[(*pendingNode)["id"]]->setSlave(addedNodeMapById[(*pendingNode)["pair"]]);
|
|
} else if ((*pendingNode)["type"] == "slave") {
|
|
addedNodeMapById[(*pendingNode)["id"]]->setMaster(addedNodeMapById[(*pendingNode)["pair"]]);
|
|
}
|
|
scene()->addItem(addedNodeMapById[(*pendingNode)["id"]]);
|
|
}
|
|
|
|
for (size_t i = 0; i < pendingEdges.size(); i++) {
|
|
std::map<QString, QString> *pendingEdge = &pendingEdges[i];
|
|
SkeletonEditEdgeItem *newEdge = new SkeletonEditEdgeItem();
|
|
newEdge->setNodes(addedNodeMapById[(*pendingEdge)["from"]], addedNodeMapById[(*pendingEdge)["to"]]);
|
|
scene()->addItem(newEdge);
|
|
}
|
|
|
|
emit nodesChanged();
|
|
}
|
|
|
|
void SkeletonEditGraphicsView::saveToXmlStream(QXmlStreamWriter *writer)
|
|
{
|
|
writer->setAutoFormatting(true);
|
|
writer->writeStartDocument();
|
|
|
|
writer->writeStartElement("canvas");
|
|
writer->writeAttribute("width", QString("%1").arg(scene()->sceneRect().width()));
|
|
writer->writeAttribute("height", QString("%1").arg(scene()->sceneRect().height()));
|
|
|
|
QList<QGraphicsItem *>::iterator it;
|
|
QList<QGraphicsItem *> list = scene()->items();
|
|
std::map<SkeletonEditNodeItem *, int> nodeIdMap;
|
|
int nextNodeId = 1;
|
|
for (it = list.begin(); it != list.end(); ++it) {
|
|
if ((*it)->data(0).toString() == "node") {
|
|
SkeletonEditNodeItem *nodeItem = static_cast<SkeletonEditNodeItem *>(*it);
|
|
nodeIdMap[nodeItem] = nextNodeId;
|
|
nextNodeId++;
|
|
}
|
|
}
|
|
writer->writeStartElement("nodes");
|
|
for (it = list.begin(); it != list.end(); ++it) {
|
|
if ((*it)->data(0).toString() == "node") {
|
|
SkeletonEditNodeItem *nodeItem = static_cast<SkeletonEditNodeItem *>(*it);
|
|
writer->writeStartElement("node");
|
|
writer->writeAttribute("id", QString("node%1").arg(nodeIdMap[nodeItem]));
|
|
writer->writeAttribute("type", nodeItem->isMaster() ? "master" : "slave");
|
|
writer->writeAttribute("pair", QString("node%1").arg(nodeIdMap[nodeItem->pair()]));
|
|
writer->writeAttribute("radius", QString("%1").arg(nodeItem->radius()));
|
|
writer->writeStartElement("origin");
|
|
QPointF origin = nodeItem->origin();
|
|
writer->writeAttribute("x", QString("%1").arg(origin.x()));
|
|
writer->writeAttribute("y", QString("%1").arg(origin.y()));
|
|
writer->writeEndElement();
|
|
writer->writeEndElement();
|
|
}
|
|
}
|
|
writer->writeEndElement();
|
|
writer->writeStartElement("edges");
|
|
int nextEdgeId = 1;
|
|
for (it = list.begin(); it != list.end(); ++it) {
|
|
if ((*it)->data(0).toString() == "edge") {
|
|
SkeletonEditEdgeItem *edgeItem = static_cast<SkeletonEditEdgeItem *>(*it);
|
|
writer->writeStartElement("edge");
|
|
writer->writeAttribute("id", QString("edge%1").arg(nextEdgeId));
|
|
writer->writeAttribute("from", QString("node%1").arg(nodeIdMap[edgeItem->firstNode()]));
|
|
writer->writeAttribute("to", QString("node%1").arg(nodeIdMap[edgeItem->secondNode()]));
|
|
writer->writeEndElement();
|
|
nextEdgeId++;
|
|
}
|
|
}
|
|
writer->writeEndElement();
|
|
|
|
writer->writeEndElement();
|
|
writer->writeEndDocument();
|
|
}
|
|
|