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paintwidget.cpp
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paintwidget.cpp
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#include "paintwidget.h"
#include <QMouseEvent>
#include <algorithm>
#include <cmath>
#include <QFileDialog>
#include <QMessageBox>
#include <QJsonObject>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonParseError>
PaintWidget::PaintWidget(QWidget *parent) : QWidget(parent),
currShapeCode(Shape::Line), shape(NULL), painted(true), fill(false), solid(false), selectPoint(false), pixNull(true),
selectStart(false), selectEnd(false)
{
setMinimumSize(700,500);
setMaximumSize(700,500);
}
void PaintWidget::zoomPoints(int type)
{
if(currShapeCode==Shape::Line || currShapeCode==Shape::Circle || currShapeCode==Shape::Ellipse)
{
QPoint s,e;
QPoint ts = shape->startPoint();
QPoint te = shape->endPoint();
double xc = (ts.x()+te.x())*1.0/2;
double yc = (ts.y()+te.y())*1.0/2;
if(type == 1)
{
double ssx = (float)ts.x() * 1.1;
double ssy = (float)ts.y() * 1.1;
double eex = (float)te.x() * 1.1;
double eey = (float)te.y() * 1.1;
double xxc = (ssx+eex)/2;
double yyc = (ssy+eey)/2;
double dx = -(xxc-xc);
double dy = -(yyc-yc);
s.setX(ssx+dx);
s.setY(ssy+dy);
e.setX(eex+dx);
e.setY(eey+dy);
}
else
{
double ssx = (float)ts.x() * 0.9;
double ssy = (float)ts.y() * 0.9;
double eex = (float)te.x() * 0.9;
double eey = (float)te.y() * 0.9;
double xxc = (ssx+eex)/2;
double yyc = (ssy+eey)/2;
double dx = -(xxc-xc);
double dy = -(yyc-yc);
s.setX(ssx+dx);
s.setY(ssy+dy);
e.setX(eex+dx);
e.setY(eey+dy);
}
shape->setStart(s);
shape->setEnd(e);
update();
}
else if(currShapeCode==Shape::Polygon || currShapeCode==Shape::Bezier || currShapeCode==Shape::BSpline)
{
int minx,miny,maxx,maxy;
minx=5000;miny=5000;maxx=-1000;maxy=-1000;
foreach(QPoint p, shape->pointList)
{
if(p.x()<minx)
minx=p.x();
if(p.y()<miny)
miny=p.y();
if(p.x()>maxx)
maxx=p.x();
if(p.y()>maxy)
maxy=p.y();
}
double xc = (minx+maxx)*1.0/2;
double yc = (miny+maxy)*1.0/2;
QList<QPoint> list;
foreach(QPoint p, shape->pointList)
{
QPoint temp;
if(type == 1)
{
temp.setX((float)p.x()*1.1);
temp.setY((float)p.y()*1.1);
}
else
{
temp.setX((float)p.x()*0.9);
temp.setY((float)p.y()*0.9);
}
list.append(temp);
}
int minxx,minyy,maxxx,maxyy;
minxx=5000;minyy=5000;maxxx=-1000;maxyy=-1000;
foreach(QPoint p, list)
{
if(p.x()<minxx)
minxx=p.x();
if(p.y()<minyy)
minyy=p.y();
if(p.x()>maxxx)
maxxx=p.x();
if(p.y()>maxyy)
maxyy=p.y();
}
double xxc = (minxx+maxxx)*1.0/2;
double yyc = (minyy+maxyy)*1.0/2;
double dx = -(xxc-xc);
double dy = -(yyc-yc);
QList<QPoint> list2;
foreach(QPoint p, list)
{
QPoint temp;
temp.setX(p.x()+dx);
temp.setY(p.y()+dy);
if(currShapeCode==Shape::Polygon && temp.y()<0)
return;
list2.append(temp);
}
shape->pointList.clear();
foreach(QPoint p, list2)
{
QPoint temp = p;
shape->pointList.append(temp);
}
shape->colorPoint.clear();
update();
}
}
void PaintWidget::changePoints(int dx, int dy)
{
if(currShapeCode==Shape::Line || currShapeCode==Shape::Circle || currShapeCode==Shape::Ellipse)
{
QPoint s,e;
QPoint ts = shape->startPoint();
QPoint te = shape->endPoint();
s.setX(ts.x()+dx*8);
s.setY(ts.y()+dy*8);
e.setX(te.x()+dx*8);
e.setY(te.y()+dy*8);
shape->setStart(s);
shape->setEnd(e);
update();
}
else if(currShapeCode==Shape::Polygon || currShapeCode==Shape::Bezier || currShapeCode==Shape::BSpline)
{
QList<QPoint> list;
foreach(QPoint p, shape->pointList)
{
QPoint temp;
temp.setX(p.x()+dx*8);
temp.setY(p.y()+dy*8);
if(currShapeCode==Shape::Polygon && temp.y()<0)
return;
list.append(temp);
}
shape->pointList.clear();
foreach(QPoint p, list)
{
QPoint temp = p;
shape->pointList.append(temp);
}
shape->updateFillPoint(dx,dy);
update();
}
}
void PaintWidget::rotateClockwise()
{
if(currShapeCode==Shape::Line) //|| currShapeCode==Shape::Circle || currShapeCode==Shape::Ellipse))
{
QPoint ts = shape->startPoint();
QPoint te = shape->endPoint();
double xc = (ts.x()+te.x())*1.0/2;
double yc = (ts.y()+te.y())*1.0/2;
double startx,starty,endx,endy;
startx =ts.x()*1.0-xc;
starty =ts.y()*1.0-yc;
endx = te.x()*1.0-xc;
endy = te.y()*1.0-yc;
QPoint ss,ee;
double xp = startx;
double yp = -starty;
double sx = cos(0.1)*xp+sin(0.1)*yp + xc;
double sy = -(-sin(0.1)*xp+cos(0.1)*yp) + yc;
ss.setX(ceil(sx));
ss.setY(ceil(sy));
xp = endx;
yp = -endy;
double ex = cos(0.1)*xp+sin(0.1)*yp + xc;
double ey = -(-sin(0.1)*xp+cos(0.1)*yp) + yc;
ee.setX(ceil(ex));
ee.setY(ceil(ey));
shape->setStart(ss);
shape->setEnd(ee);
update();
}
else if(currShapeCode==Shape::Polygon || currShapeCode==Shape::Bezier || currShapeCode==Shape::BSpline)
{
int minx,miny,maxx,maxy;
minx=5000;miny=5000;maxx=-1000;maxy=-1000;
foreach(QPoint p, shape->pointList)
{
if(p.x()<minx)
minx=p.x();
if(p.y()<miny)
miny=p.y();
if(p.x()>maxx)
maxx=p.x();
if(p.y()>maxy)
maxy=p.y();
}
double xc = (minx+maxx)*1.0/2;
double yc = (miny+maxy)*1.0/2;
QList<QPoint> list;
foreach(QPoint p, shape->pointList)
{
double x = p.x()-xc;
double y = -(p.y()-yc);
double xp = cos(0.1)*x+sin(0.1)*y + xc;
double yp = -(-sin(0.1)*x+cos(0.1)*y) + yc;
p.setX(ceil(xp));
p.setY(ceil(yp));
if(currShapeCode==Shape::Polygon && p.y()<0)
return;
QPoint temp = p;
list.append(temp);
}
shape->pointList.clear();
foreach(QPoint p, list)
{
shape->pointList.append(p);
}
if(currShapeCode==Shape::Polygon && shape->colorPoint.length()!=0)
fill=true;
shape->colorPoint.clear();
update();
}
}
void PaintWidget::rotateCounterClockwise()
{
if(currShapeCode==Shape::Line) //|| currShapeCode==Shape::Circle || currShapeCode==Shape::Ellipse))
{
QPoint ts = shape->startPoint();
QPoint te = shape->endPoint();
double xc = (ts.x()+te.x())*1.0/2;
double yc = (ts.y()+te.y())*1.0/2;
double startx,starty,endx,endy;
startx =ts.x()*1.0-xc;
starty =ts.y()*1.0-yc;
endx = te.x()*1.0-xc;
endy = te.y()*1.0-yc;
QPoint ss,ee;
double xp = startx;
double yp = -starty;
double sx = cos(0.1)*xp-sin(0.1)*yp + xc;
double sy = -(sin(0.1)*xp+cos(0.1)*yp) + yc;
ss.setX(floor(sx));
ss.setY(floor(sy));
xp = endx;
yp = -endy;
double ex = cos(0.1)*xp-sin(0.1)*yp + xc;
double ey = -(sin(0.1)*xp+cos(0.1)*yp) + yc;
ee.setX(floor(ex));
ee.setY(floor(ey));
shape->setStart(ss);
shape->setEnd(ee);
update();
}
else if(currShapeCode==Shape::Polygon || currShapeCode==Shape::Bezier || currShapeCode==Shape::BSpline)
{
int minx,miny,maxx,maxy;
minx=1000;miny=1000;maxx=-1000;maxy=-1000;
foreach(QPoint p, shape->pointList)
{
if(p.x()<minx)
minx=p.x();
if(p.y()<miny)
miny=p.y();
if(p.x()>maxx)
maxx=p.x();
if(p.y()>maxy)
maxy=p.y();
}
double xc = (minx+maxx)*1.0/2;
double yc = (miny+maxy)*1.0/2;
QList<QPoint> list;
foreach(QPoint p, shape->pointList)
{
double x = p.x()-xc;
double y = -(p.y()-yc);
double xp = cos(0.1)*x-sin(0.1)*y + xc;
double yp = -(sin(0.1)*x+cos(0.1)*y) + yc;
p.setX(floor(xp));
p.setY(floor(yp));
if(currShapeCode==Shape::Polygon && p.y()<0)
return;
QPoint temp = p;
list.append(temp);
}
shape->pointList.clear();
foreach(QPoint p, list)
{
shape->pointList.append(p);
}
if(currShapeCode==Shape::Polygon && shape->colorPoint.length()!=0)
fill=true;
shape->colorPoint.clear();
update();
}
}
void PaintWidget::moveLeft()
{
changePoints(-1,0);
}
void PaintWidget::moveRight()
{
changePoints(1,0);
}
void PaintWidget::moveUp()
{
changePoints(0,-1);
}
void PaintWidget::moveDown()
{
changePoints(0,1);
}
void PaintWidget::ZoomIn()
{
zoomPoints(1);
}
void PaintWidget::ZoomOut()
{
zoomPoints(-1);
}
void PaintWidget::trim()
{
trimWin = true;
}
void PaintWidget::fillPolygon()
{
fill = true;
if(painted)
update();
}
float maxi(float arr[],int n) {
float m = 0;
for (int i = 0; i < n; ++i)
if (m < arr[i])
m = arr[i];
return m;
}
// this function gives the minimum
float mini(float arr[], int n) {
float m = 1;
for (int i = 0; i < n; ++i)
if (m > arr[i])
m = arr[i];
return m;
}
void PaintWidget::LiangBarsky()
{
float xmin = qMin(wins.x(),wine.x());
float xmax = qMax(wins.x(),wine.x());
float ymin = qMin(wins.y(),wine.y());
float ymax = qMax(wins.y(),wine.y());
QPoint s = shape->startPoint();
QPoint e = shape->endPoint();
float x1 = s.x();
float x2 = e.x();
float y1 = s.y();
float y2 = e.y();
float p1 = -(x2 - x1);
float p2 = -p1;
float p3 = -(y2 - y1);
float p4 = -p3;
float q1 = x1 - xmin;
float q2 = xmax - x1;
float q3 = y1 - ymin;
float q4 = ymax - y1;
float posarr[5], negarr[5];
int posind = 1, negind = 1;
posarr[0] = 1;
negarr[0] = 0;
if ((p1 == 0 && (q1 < 0 || q2 < 0)) || (p3 == 0 && (q3 < 0 || q4 < 0)))
{
shape = NULL;
shapeList.removeLast();
solid = false;
return;
}
if(p1 != 0)
{
float r1 = q1 / p1;
float r2 = q2 / p2;
if (p1 < 0)
{
negarr[negind++] = r1; // for negative p1, add it to negative array
posarr[posind++] = r2; // and add p2 to positive array
}
else
{
negarr[negind++] = r2;
posarr[posind++] = r1;
}
}
if (p3 != 0)
{
float r3 = q3 / p3;
float r4 = q4 / p4;
if (p3 < 0)
{
negarr[negind++] = r3;
posarr[posind++] = r4;
}
else
{
negarr[negind++] = r4;
posarr[posind++] = r3;
}
}
float xn1, yn1, xn2, yn2;
float rn1, rn2;
rn1 = maxi(negarr, negind); // maximum of negative array
rn2 = mini(posarr, posind); // minimum of positive array
if(rn1>rn2)
{
shape = NULL;
shapeList.removeLast();
solid = false;
return;
}
xn1 = x1 + p2 * rn1;
yn1 = y1 + p4 * rn1; // computing new points
xn2 = x1 + p2 * rn2;
yn2 = y1 + p4 * rn2;
QPoint t1,t2;
t1.setX(xn1);
t1.setY(yn1);
t2.setX(xn2);
t2.setY(yn2);
shape->setStart(t1);
shape->setEnd(t2);
}
void PaintWidget::SutherlandHodgman()
{
float xmin = qMin(wins.x(),wine.x());
float xmax = qMax(wins.x(),wine.x());
float ymin = qMin(wins.y(),wine.y());
float ymax = qMax(wins.y(),wine.y());
QList<QPoint> list;
for(int i = 0; i < 4;i ++)
{
int len = shape->pointList.length();
if(i==0)
{
//xmin边界
for(int j = 0; j < len; j ++)
{
QPoint t = shape->pointList[j];
QPoint p = shape->pointList[(j-1+len)%len];
if(p.x()<xmin && t.x()>=xmin)
{
float ty = ((t.y()-p.y())*1.0) / (1.0*(t.x()-p.x())) * (1.0*(xmin-p.x())) + 1.0*p.y();
QPoint temp;
temp.setX(xmin);
temp.setY(ty);
list.append(temp);
list.append(t);
}
else if(t.x()>=xmin && p.x()>=xmin)
{
list.append(t);
}
else if(p.x()>=xmin && t.x()<xmin)
{
float ty = ((t.y()-p.y())*1.0) / (1.0*(t.x()-p.x())) * (1.0*(xmin-p.x())) + 1.0*p.y();
QPoint temp;
temp.setX(xmin);
temp.setY(ty);
list.append(temp);
}
}
}
else if(i==1)
{
//xmax边界
for(int j = 0; j < len; j ++)
{
QPoint t = shape->pointList[j];
QPoint p = shape->pointList[(j-1+len)%len];
if(p.x()>xmax && t.x()<=xmax)
{
float ty = ((t.y()-p.y())*1.0) / (1.0*(t.x()-p.x())) * (1.0*(xmax-p.x())) + 1.0*p.y();
QPoint temp;
temp.setX(xmax);
temp.setY(ty);
list.append(temp);
list.append(t);
}
else if(t.x()<=xmax && p.x()<=xmax)
{
list.append(t);
}
else if(p.x()<=xmax && t.x()>xmax)
{
float ty = ((t.y()-p.y())*1.0) / (1.0*(t.x()-p.x())) * (1.0*(xmax-p.x())) + 1.0*p.y();
QPoint temp;
temp.setX(xmax);
temp.setY(ty);
list.append(temp);
}
}
}
else if(i==2)
{
//ymin边界
for(int j = 0; j < len; j ++)
{
QPoint t = shape->pointList[j];
QPoint p = shape->pointList[(j-1+len)%len];
if(p.y()<ymin && t.y()>=ymin)
{
float tx;
if(p.x()==t.x())
tx = p.x();
else
tx = ((t.x()-p.x())*1.0) / (1.0*(t.y()-p.y())) * (1.0*(ymin-p.y())) + 1.0*p.x();
QPoint temp;
temp.setX(tx);
temp.setY(ymin);
list.append(temp);
list.append(t);
}
else if(t.y()>=ymin && p.y()>=ymin)
{
list.append(t);
}
else if(p.y()>=ymin && t.y()<ymin)
{
float tx;
if(p.x()==t.x())
tx = p.x();
else
tx = ((t.x()-p.x())*1.0) / (1.0*(t.y()-p.y())) * (1.0*(ymin-p.y())) + 1.0*p.x();
QPoint temp;
temp.setX(tx);
temp.setY(ymin);
list.append(temp);
list.append(temp);
}
}
}
else if(i==3)
{
//ymax边界
for(int j = 0; j < len; j ++)
{
QPoint t = shape->pointList[j];
QPoint p = shape->pointList[(j-1+len)%len];
if(p.y()>ymax && t.y()<=ymax)
{
float tx;
if(p.x()==t.x())
tx = p.x();
else
tx = ((t.x()-p.x())*1.0) / (1.0*(t.y()-p.y())) * (1.0*(ymax-p.y())) + 1.0*p.x();
QPoint temp;
temp.setX(tx);
temp.setY(ymax);
list.append(temp);
list.append(t);
}
else if(t.y()<=ymax && p.y()<=ymax)
{
list.append(t);
}
else if(p.y()<=ymax && t.y()>ymax)
{
float tx;
if(p.x()==t.x())
tx = p.x();
else
tx = ((t.x()-p.x())*1.0) / (1.0*(t.y()-p.y())) * (1.0*(ymax-p.y())) + 1.0*p.x();
QPoint temp;
temp.setX(tx);
temp.setY(ymax);
list.append(temp);
}
}
}
shape->pointList.clear();
foreach(QPoint p, list)
{
QPoint t = p;
shape->pointList.append(t);
}
list.clear();
}
shape->colorPoint.clear();
}
void PaintWidget::ShapeTrim()
{
if(currShapeCode==Shape::Line)
{
LiangBarsky();
}
else if(currShapeCode==Shape::Polygon)
{
SutherlandHodgman();
}
}
void PaintWidget::clearShapes()
{
shapeList.clear();
shape = NULL;
painted = true;
fill = false;
solid = false;
selectPoint = false;
selectStart = false;
selectEnd = false;
pixNull = true;
update();
}
void PaintWidget::setCurrentShape(Shape::Code s)
{
if(s!=currShapeCode)
{
currShapeCode = s;
solid = false;
}
}
void PaintWidget::importPic()
{
QString path = QFileDialog::getOpenFileName(this, tr("Open Image"), ".", tr("Image Files(*.jpg *.png *.bmp)"));
if(path.length() == 0)
{
QMessageBox::information(NULL, tr("Path"), tr("You didn't select any files."));
return;
}
pixmap.load(path);
pixNull = false;
update();
}
void PaintWidget::savePic()
{
QString path = QFileDialog::getSaveFileName(this, tr("Save Image"),".",tr("Images (*.png *.jpg *.bmp)"));
if(path.length() == 0)
{
QMessageBox::information(NULL, tr("Path"), tr("No path selected."));
}
QPixmap pixmap(this->size());
this->render(&pixmap);
pixmap.save(path);
}
void PaintWidget::importShape()
{
QString path = QFileDialog::getOpenFileName(this, tr("Open File"),".",tr("Text (*.json)"));
if(path.length() == 0)
{
QMessageBox::information(NULL, tr("Path"), tr("No path selected."));
return;
}
QFile File(path);
File.open(QIODevice::ReadOnly | QIODevice::Text);
QByteArray byteArray = (QByteArray)File.readAll();
QJsonParseError jsonError;
QJsonDocument document = QJsonDocument::fromJson(byteArray, &jsonError); // 转化为 JSON 文档
if (!document.isNull() && (jsonError.error == QJsonParseError::NoError))
{
QJsonObject object = document.object();
QJsonValue value = object.value("type");
int type = value.toVariant().toInt();
switch(type)
{
case Shape::Line:
{
currShapeCode = Shape::Line;
shape = new Line;
solid = true;
int startx = object.value("startx").toVariant().toInt();
int starty = object.value("starty").toVariant().toInt();
int endx = object.value("endx").toVariant().toInt();
int endy = object.value("endy").toVariant().toInt();
QPoint s,e;
s.setX(startx);
s.setY(starty);
e.setX(endx);
e.setY(endy);
shape->setStart(s);
shape->setEnd(e);
shapeList<<shape;
break;
}
case Shape::Circle:
{
currShapeCode = Shape::Circle;
shape = new Circle;
solid = true;
int startx = object.value("startx").toVariant().toInt();
int starty = object.value("starty").toVariant().toInt();
int endx = object.value("endx").toVariant().toInt();
int endy = object.value("endy").toVariant().toInt();
QPoint s,e;
s.setX(startx);
s.setY(starty);
e.setX(endx);
e.setY(endy);
shape->setStart(s);
shape->setEnd(e);
shapeList<<shape;
break;
}
case Shape::Ellipse:
{
currShapeCode = Shape::Ellipse;
shape = new Ellipse;
solid = true;
int startx = object.value("startx").toVariant().toInt();
int starty = object.value("starty").toVariant().toInt();
int endx = object.value("endx").toVariant().toInt();
int endy = object.value("endy").toVariant().toInt();
QPoint s,e;
s.setX(startx);
s.setY(starty);
e.setX(endx);
e.setY(endy);
shape->setStart(s);
shape->setEnd(e);
shapeList<<shape;
break;
}
case Shape::Polygon:
{
currShapeCode = Shape::Polygon;
//selectPoint = true;
solid = true;
shape = new Polygon;
QJsonValue value = object.value("points");
QJsonArray array = value.toArray();
int nSize = array.size();
for (int i = 0; i < nSize; i++)
{
QPoint p;
if(i%2==0)
p.setX(array.at(i).toInt());
else
p.setY(array.at(i).toInt());
i=i+1;
if(i%2==0)
p.setX(array.at(i).toInt());
else
p.setY(array.at(i).toInt());
shape->pointList.append(p);
}
fill = false;
shapeList<<shape;
break;
}
case Shape::Bezier:
{
currShapeCode = Shape::Bezier;
//selectPoint = true;
solid = true;
shape = new Bezier;
QJsonValue value = object.value("points");
QJsonArray array = value.toArray();
int nSize = array.size();
for (int i = 0; i < nSize; i++)
{
QPoint p;
if(i%2==0)
p.setX(array.at(i).toInt());
else
p.setY(array.at(i).toInt());
i=i+1;
if(i%2==0)
p.setX(array.at(i).toInt());
else
p.setY(array.at(i).toInt());
shape->pointList.append(p);
}
fill = false;
shapeList<<shape;
break;
}
case Shape::BSpline:
{
currShapeCode = Shape::BSpline;
//selectPoint = true;
solid = true;
shape = new BSpline;
QJsonValue value = object.value("points");
QJsonArray array = value.toArray();
int nSize = array.size();
for (int i = 0; i < nSize; i++)
{
QPoint p;
if(i%2==0)
p.setX(array.at(i).toInt());
else
p.setY(array.at(i).toInt());
i=i+1;
if(i%2==0)
p.setX(array.at(i).toInt());
else
p.setY(array.at(i).toInt());
shape->pointList.append(p);
}
fill = false;
shapeList<<shape;
break;
}
}
}
update();
}
void PaintWidget::saveShape()
{
QString path = QFileDialog::getSaveFileName(this, tr("Save Json"),".",tr("Text (*.json)"));
if(path.length() == 0)
{
QMessageBox::information(NULL, tr("Path"), tr("No path selected."));
}
switch(currShapeCode)
{
case Shape::Line: case Shape::Circle: case Shape::Ellipse:
{
QJsonObject json;
json.insert("type", currShapeCode);
json.insert("startx", shape->startPoint().x());
json.insert("starty", shape->startPoint().y());
json.insert("endx", shape->endPoint().x());
json.insert("endy", shape->endPoint().y());
QJsonDocument document;
document.setObject(json);
QByteArray byteArray = document.toJson(QJsonDocument::Compact);
QFile File(path);
File.open(QIODevice::WriteOnly | QIODevice::Text);
File.write(byteArray);
break;
}
case Shape::Polygon: case Shape::Bezier: case Shape::BSpline:
{
QJsonArray array;
foreach(QPoint p, shape->pointList)
{
array.append(p.x());
array.append(p.y());
}
QJsonObject json;
json.insert("type", currShapeCode);
json.insert("points", QJsonValue(array));
QJsonDocument document;
document.setObject(json);
QByteArray byteArray = document.toJson(QJsonDocument::Compact);
QFile File(path);
File.open(QIODevice::WriteOnly | QIODevice::Text);
File.write(byteArray);
break;
}
}
}
void PaintWidget::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
painter.setBrush(Qt::white);
painter.drawRect(0,0,size().width(),size().height());
if(!pixNull)
{
painter.drawPixmap(QPoint(0,0), pixmap);
return;
}
if(trimWin)
{
painter.setPen(Qt::yellow);
painter.drawRect(wins.x(),wins.y(),wine.x()-wins.x(),wine.y()-wins.y());
}
foreach(Shape * shape, shapeList)
{
shape->paint(painter);
}
if(shape)
{
shape->paint(painter);
}
if(shape && fill && painted && currShapeCode==Shape::Polygon)
{
painter.setPen(Qt::cyan);
shape->fillShape(painter);
fill=false;
}
}
void PaintWidget::mousePressEvent(QMouseEvent *event)
{
if(trimWin == true)
{
wins=event->pos();