mirror of
https://github.com/qelectrotech/qelectrotech-source-mirror.git
synced 2025-12-19 14:50:53 +01:00
Element editor : move all graphics part in a single directory
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3628 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
223
sources/editor/graphicspart/partpolygon.cpp
Normal file
223
sources/editor/graphicspart/partpolygon.cpp
Normal file
@@ -0,0 +1,223 @@
|
||||
/*
|
||||
Copyright 2006-2014 The QElectroTech Team
|
||||
This file is part of QElectroTech.
|
||||
|
||||
QElectroTech 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.
|
||||
|
||||
QElectroTech 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 QElectroTech. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#include "partpolygon.h"
|
||||
#include "qet.h"
|
||||
|
||||
/**
|
||||
Constructeur
|
||||
@param editor L'editeur d'element concerne
|
||||
@param parent Le QGraphicsItem parent de ce polygone
|
||||
@param scene La scene sur laquelle figure ce polygone
|
||||
*/
|
||||
PartPolygon::PartPolygon(QETElementEditor *editor, QGraphicsItem *parent, QGraphicsScene *scene) :
|
||||
CustomElementGraphicPart(editor),
|
||||
QGraphicsPolygonItem(parent, scene),
|
||||
m_closed(false)
|
||||
{
|
||||
setFlags(QGraphicsItem::ItemIsSelectable);
|
||||
#if QT_VERSION >= 0x040600
|
||||
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
|
||||
#endif
|
||||
setAcceptedMouseButtons(Qt::LeftButton);
|
||||
}
|
||||
|
||||
/// Destructeur
|
||||
PartPolygon::~PartPolygon() {
|
||||
}
|
||||
|
||||
/**
|
||||
Importe les proprietes d'un polygone depuis un element XML
|
||||
@param qde Element XML a lire
|
||||
*/
|
||||
void PartPolygon::fromXml(const QDomElement &qde) {
|
||||
stylesFromXml(qde);
|
||||
int i = 1;
|
||||
while(true) {
|
||||
if (
|
||||
QET::attributeIsAReal(qde, QString("x%1").arg(i)) &&\
|
||||
QET::attributeIsAReal(qde, QString("y%1").arg(i))
|
||||
) ++ i;
|
||||
else break;
|
||||
}
|
||||
|
||||
QPolygonF temp_polygon;
|
||||
for (int j = 1 ; j < i ; ++ j) {
|
||||
temp_polygon << QPointF(
|
||||
qde.attribute(QString("x%1").arg(j)).toDouble(),
|
||||
qde.attribute(QString("y%1").arg(j)).toDouble()
|
||||
);
|
||||
}
|
||||
setPolygon(temp_polygon);
|
||||
|
||||
m_closed = qde.attribute("closed") != "false";
|
||||
}
|
||||
|
||||
/**
|
||||
Exporte le polygone en XML
|
||||
@param xml_document Document XML a utiliser pour creer l'element XML
|
||||
@return un element XML decrivant le polygone
|
||||
*/
|
||||
const QDomElement PartPolygon::toXml(QDomDocument &xml_document) const {
|
||||
QDomElement xml_element = xml_document.createElement("polygon");
|
||||
int i = 1;
|
||||
foreach(QPointF point, polygon()) {
|
||||
point = mapToScene(point);
|
||||
xml_element.setAttribute(QString("x%1").arg(i), QString("%1").arg(point.x()));
|
||||
xml_element.setAttribute(QString("y%1").arg(i), QString("%1").arg(point.y()));
|
||||
++ i;
|
||||
}
|
||||
if (!m_closed) xml_element.setAttribute("closed", "false");
|
||||
stylesToXml(xml_element);
|
||||
return(xml_element);
|
||||
}
|
||||
|
||||
/**
|
||||
Dessine le polygone
|
||||
@param painter QPainter a utiliser pour rendre le dessin
|
||||
@param options Options pour affiner le rendu
|
||||
@param widget Widget sur lequel le rendu est effectue
|
||||
*/
|
||||
void PartPolygon::paint(QPainter *painter, const QStyleOptionGraphicsItem *options, QWidget *widget) {
|
||||
Q_UNUSED(widget);
|
||||
applyStylesToQPainter(*painter);
|
||||
QPen t = painter -> pen();
|
||||
t.setCosmetic(options && options -> levelOfDetail < 1.0);
|
||||
if (isSelected()) t.setColor(Qt::red);
|
||||
painter -> setPen(t);
|
||||
if (m_closed) painter -> drawPolygon(polygon());
|
||||
else painter -> drawPolyline(polygon());
|
||||
}
|
||||
|
||||
/**
|
||||
Gere les changements intervenant sur cette partie
|
||||
@param change Type de changement
|
||||
@param value Valeur numerique relative au changement
|
||||
*/
|
||||
QVariant PartPolygon::itemChange(GraphicsItemChange change, const QVariant &value) {
|
||||
if (scene()) {
|
||||
if (change == QGraphicsItem::ItemPositionChange || change == QGraphicsItem::ItemPositionHasChanged) {
|
||||
updateCurrentPartEditor();
|
||||
}
|
||||
}
|
||||
return(QGraphicsPolygonItem::itemChange(change, value));
|
||||
}
|
||||
|
||||
/**
|
||||
@return true si cette partie n'est pas pertinente et ne merite pas d'etre
|
||||
conservee / enregistree.
|
||||
Un polygone est pertinent des lors qu'il possede deux points differents.
|
||||
*/
|
||||
bool PartPolygon::isUseless() const {
|
||||
QPolygonF poly(polygon());
|
||||
|
||||
if (polygon().count() < 2) return(true);
|
||||
|
||||
QPointF previous_point;
|
||||
for (int i = 1 ; i < poly.count() ; ++ i) {
|
||||
if (poly[i] != poly[i-1]) return(false);
|
||||
}
|
||||
|
||||
return(true);
|
||||
}
|
||||
|
||||
/**
|
||||
@return the minimum, margin-less rectangle this part can fit into, in scene
|
||||
coordinates. It is different from boundingRect() because it is not supposed
|
||||
to imply any margin, and it is different from shape because it is a regular
|
||||
rectangle, not a complex shape.
|
||||
*/
|
||||
QRectF PartPolygon::sceneGeometricRect() const {
|
||||
return(mapToScene(polygon().boundingRect()).boundingRect());
|
||||
}
|
||||
|
||||
/**
|
||||
Start the user-induced transformation, provided this primitive is contained
|
||||
within the \a initial_selection_rect bounding rectangle.
|
||||
*/
|
||||
void PartPolygon::startUserTransformation(const QRectF &initial_selection_rect) {
|
||||
Q_UNUSED(initial_selection_rect)
|
||||
saved_points_ = mapToScene(polygon()).toList();
|
||||
}
|
||||
|
||||
/**
|
||||
Handle the user-induced transformation from \a initial_selection_rect to \a new_selection_rect
|
||||
*/
|
||||
void PartPolygon::handleUserTransformation(const QRectF &initial_selection_rect, const QRectF &new_selection_rect) {
|
||||
QList<QPointF> mapped_points = mapPoints(initial_selection_rect, new_selection_rect, saved_points_);
|
||||
setPolygon(mapFromScene(QPolygonF(mapped_points.toVector())));
|
||||
}
|
||||
|
||||
/**
|
||||
@reimp CustomElementPart::preferredScalingMethod
|
||||
This method is called by the decorator when it needs to determine the best
|
||||
way to interactively scale a primitive. It is typically called when only a
|
||||
single primitive is being scaled.
|
||||
This reimplementation systematically returns QET::RoundScaleRatios.
|
||||
*/
|
||||
QET::ScalingMethod PartPolygon::preferredScalingMethod() const {
|
||||
return(QET::RoundScaleRatios);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief PartPolygon::addPoint
|
||||
* Add new point to polygon
|
||||
* @param point
|
||||
*/
|
||||
void PartPolygon::addPoint(const QPointF &point) {
|
||||
QPolygonF poly = polygon();
|
||||
poly << point;
|
||||
setPolygon(poly);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief PartPolygon::setLastPoint
|
||||
* Set the last point of polygon to @point
|
||||
* @param point
|
||||
*/
|
||||
void PartPolygon::setLastPoint(const QPointF &point) {
|
||||
QPolygonF poly = polygon();
|
||||
|
||||
if (poly.size())
|
||||
poly.pop_back();
|
||||
|
||||
poly << point;
|
||||
setPolygon(poly);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief PartPolygon::removeLastPoint
|
||||
* Remove the last point of polygon
|
||||
*/
|
||||
void PartPolygon::removeLastPoint() {
|
||||
QPolygonF poly = polygon();
|
||||
|
||||
if (poly.size())
|
||||
poly.pop_back();
|
||||
|
||||
setPolygon(poly);
|
||||
}
|
||||
|
||||
/**
|
||||
@return le rectangle delimitant cette partie.
|
||||
*/
|
||||
QRectF PartPolygon::boundingRect() const {
|
||||
qreal adjust = 1.5;
|
||||
QRectF r(QGraphicsPolygonItem::boundingRect());
|
||||
r.adjust(-adjust, -adjust, adjust, adjust);
|
||||
return(r);
|
||||
}
|
||||
Reference in New Issue
Block a user