QT QComboBox，QFrame，QSpinBox，QColorDialog用法
2016-01-19 10:54
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#include "mainwidget.h"
#include <QColorDialog>
MainWidget::MainWidget(QWidget *parent)
: QWidget(parent)
{
paintArea =new PaintArea;
shapeLabel =new QLabel(tr("形状：")); //形状选择下拉列表框
shapeComboBox =new QComboBox;
shapeComboBox->addItem(tr("Line"),PaintArea::Line);
shapeComboBox->addItem(tr("Rectangle"),PaintArea::Rectangle);
shapeComboBox->addItem(tr("RoundedRect"),PaintArea::RoundRect);
shapeComboBox->addItem(tr("Ellipse"),PaintArea::Ellipse);
shapeComboBox->addItem(tr("Polygon"),PaintArea::Polygon);
shapeComboBox->addItem(tr("Polyline"),PaintArea::Polyline);
shapeComboBox->addItem(tr("Points"),PaintArea::Points);
shapeComboBox->addItem(tr("Arc"),PaintArea::Arc);
shapeComboBox->addItem(tr("Path"),PaintArea::Path);
shapeComboBox->addItem(tr("Text"),PaintArea::Text);
shapeComboBox->addItem(tr("Pixmap"),PaintArea::Pixmap);
connect(shapeComboBox,SIGNAL(activated(int)),this,SLOT(ShowShape (int)));
penColorLabel =new QLabel(tr("画笔颜色：")); //画笔颜色选择控件
penColorFrame =new QFrame;
penColorFrame->setFrameStyle(QFrame::Panel|QFrame::Sunken);
penColorFrame->setAutoFillBackground(true);
penColorFrame->setPalette(QPalette(Qt::blue));
penColorBtn =new QPushButton(tr("更改"));
connect(penColorBtn,SIGNAL(clicked()),this,SLOT(ShowPenColor()));
penWidthLabel =new QLabel(tr("画笔线宽：")); //画笔线宽选择控件
penWidthSpinBox =new QSpinBox;
penWidthSpinBox->setRange(0,20);
connect(penWidthSpinBox,SIGNAL(valueChanged(int)),this,SLOT (ShowPenWidth(int)));
penStyleLabel =new QLabel(tr("画笔风格：")); //画笔风格选择下拉列表框
penStyleComboBox =new QComboBox;
penStyleComboBox->addItem(tr("SolidLine"),static_cast<int>(Qt::SolidLine));
penStyleComboBox->addItem(tr("DashLine"),static_cast<int>(Qt::DashLine));
penStyleComboBox->addItem(tr("DotLine"),static_cast<int>(Qt::DotLine));
penStyleComboBox->addItem(tr("DashDotLine"),static_cast<int>(Qt::DashDotLine));
penStyleComboBox->addItem(tr("DashDotDotLine"),static_cast<int>(Qt::DashDotDotLine));
penStyleComboBox->addItem(tr("CustomDashLine"),static_cast<int>(Qt::CustomDashLine));
connect(penStyleComboBox,SIGNAL(activated(int)),this,SLOT (ShowPenStyle(int)));
penCapLabel =new QLabel(tr("画笔顶帽：")); //画笔顶端风格选择下拉列表框
penCapComboBox =new QComboBox;
penCapComboBox->addItem(tr("SquareCap"),Qt::SquareCap);
penCapComboBox->addItem(tr("FlatCap"),Qt::FlatCap);
penCapComboBox->addItem(tr("RoundCap"),Qt::RoundCap);
connect(penCapComboBox,SIGNAL(activated(int)),this,SLOT(ShowPenCap (int)));
penJoinLabel =new QLabel(tr("画笔连接点：")); //画笔连接点风格选择下拉列表框
penJoinComboBox =new QComboBox;
penJoinComboBox->addItem(tr("BevelJoin"),Qt::BevelJoin);
penJoinComboBox->addItem(tr("MiterJoin"),Qt::MiterJoin);
penJoinComboBox->addItem(tr("RoundJoin"),Qt::RoundJoin);
connect(penJoinComboBox,SIGNAL(activated(int)),this,SLOT(ShowPenJoin (int)));
fillRuleLabel =new QLabel(tr("填充模式："));
//填充模式选择下拉列表框
fillRuleComboBox =new QComboBox;
fillRuleComboBox->addItem(tr("Odd Even"),Qt::OddEvenFill);
fillRuleComboBox->addItem(tr("Winding"),Qt::WindingFill);
connect(fillRuleComboBox,SIGNAL(activated(int)),this,SLOT (ShowFillRule()));
spreadLabel =new QLabel(tr("铺展效果："));
//铺展效果选择下拉列表框
spreadComboBox =new QComboBox;
spreadComboBox->addItem(tr("PadSpread"),QGradient::PadSpread);
spreadComboBox->addItem(tr("RepeatSpread"),QGradient::RepeatSpread);
spreadComboBox->addItem(tr("ReflectSpread"),QGradient:: ReflectSpread);
connect(spreadComboBox,SIGNAL(activated(int)),this,SLOT (ShowSpreadStyle()));
brushColorLabel =new QLabel(tr("画刷颜色：")); //画刷颜色选择控件
brushColorFrame =new QFrame;
brushColorFrame->setFrameStyle(QFrame::Panel|QFrame::Sunken);
brushColorFrame->setAutoFillBackground(true);
brushColorFrame->setPalette(QPalette(Qt::green));
brushColorBtn =new QPushButton(tr("更改"));
connect(brushColorBtn,SIGNAL(clicked()),this,SLOT (ShowBrushColor()));
brushStyleLabel =new QLabel(tr("画刷风格：")); //画刷风格选择下拉列表框
brushStyleComboBox =new QComboBox;
brushStyleComboBox->addItem(tr("SolidPattern"),static_cast<int>(Qt::SolidPattern));
brushStyleComboBox->addItem(tr("Dense1Pattern"),static_cast<int>(Qt::Dense1Pattern));
brushStyleComboBox->addItem(tr("Dense2Pattern"),static_cast<int>(Qt::Dense2Pattern));
brushStyleComboBox->addItem(tr("Dense3Pattern"),static_cast<int>(Qt::Dense3Pattern));
brushStyleComboBox->addItem(tr("Dense4Pattern"),static_cast<int>(Qt::Dense4Pattern));
brushStyleComboBox->addItem(tr("Dense5Pattern"),static_cast<int>(Qt::Dense5Pattern));
brushStyleComboBox->addItem(tr("Dense6Pattern"),static_cast<int>(Qt::Dense6Pattern));
brushStyleComboBox->addItem(tr("Dense7Pattern"),static_cast<int>(Qt::Dense7Pattern));
brushStyleComboBox->addItem(tr("HorPattern"),static_cast<int>(Qt::HorPattern));
brushStyleComboBox->addItem(tr("VerPattern"),static_cast<int>(Qt::VerPattern));
brushStyleComboBox->addItem(tr("CrossPattern"),static_cast<int>(Qt::CrossPattern));
brushStyleComboBox->addItem(tr("BDiagPattern"),static_cast<int>(Qt::BDiagPattern));
brushStyleComboBox->addItem(tr("FDiagPattern"),static_cast<int>(Qt::FDiagPattern));
brushStyleComboBox->addItem(tr("DiagCrossPattern"),static_cast<int>(Qt:: DiagCrossPattern));
brushStyleComboBox->addItem(tr("LinearGradientPattern"),static_cast<int>(Qt:: LinearGradientPattern));
brushStyleComboBox->addItem(tr("ConicalGradientPattern"),static_cast<int>(Qt:: ConicalGradientPattern));
brushStyleComboBox->addItem(tr("RadialGradientPattern"),static_cast<int>(Qt:: RadialGradientPattern));
brushStyleComboBox->addItem(tr("TexturePattern"),static_cast<int>(Qt::TexturePattern));
connect(brushStyleComboBox,SIGNAL(activated(int)),this,SLOT (ShowBrush(int)));
rightLayout =new QGridLayout; //控制面板的布局
rightLayout->addWidget(shapeLabel,0,0);
rightLayout->addWidget(shapeComboBox,0,1);
rightLayout->addWidget(penColorLabel,1,0);
rightLayout->addWidget(penColorFrame,1,1);
rightLayout->addWidget(penColorBtn,1,2);
rightLayout->addWidget(penWidthLabel,2,0);
rightLayout->addWidget(penWidthSpinBox,2,1);
rightLayout->addWidget(penStyleLabel,3,0);
rightLayout->addWidget(penStyleComboBox,3,1);
rightLayout->addWidget(penCapLabel,4,0);
rightLayout->addWidget(penCapComboBox,4,1);
rightLayout->addWidget(penJoinLabel,5,0);
rightLayout->addWidget(penJoinComboBox,5,1);
rightLayout->addWidget(fillRuleLabel,6,0);
rightLayout->addWidget(fillRuleComboBox,6,1);
rightLayout->addWidget(spreadLabel,7,0);
rightLayout->addWidget(spreadComboBox,7,1);
rightLayout->addWidget(brushColorLabel,8,0);
rightLayout->addWidget(brushColorFrame,8,1);
rightLayout->addWidget(brushColorBtn,8,2);
rightLayout->addWidget(brushStyleLabel,9,0);
rightLayout->addWidget(brushStyleComboBox,9,1);
QHBoxLayout *mainLayout =new QHBoxLayout(this);
//整体的布局
mainLayout->addWidget(paintArea);
mainLayout->addLayout(rightLayout);
mainLayout->setStretchFactor(paintArea,1);
mainLayout->setStretchFactor(rightLayout,0);
ShowShape(shapeComboBox->currentIndex()); //显示默认的图形
}
MainWidget::~MainWidget()
{
}
void MainWidget::ShowShape(int value)
{
PaintArea::Shape shape = PaintArea::Shape(shapeComboBox->itemData(value,Qt::UserRole).toInt());
paintArea->setShape(shape);
}
void MainWidget::ShowPenColor()
{
QColor color = QColorDialog::getColor(static_cast<int>(Qt::blue));
penColorFrame->setPalette(QPalette(color));
int value = penWidthSpinBox->value();
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(penStyleComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(penCapComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(penJoinComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowPenWidth(int value)
{
QColor color = penColorFrame->palette().color(QPalette::Window);
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(penStyleComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(penCapComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(penJoinComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowPenStyle(int styleValue)
{
QColor color = penColorFrame->palette().color(QPalette::Window);
int value = penWidthSpinBox->value();
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(styleValue,Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(penCapComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(penJoinComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowPenCap(int capValue)
{
QColor color = penColorFrame->palette().color(QPalette::Window);
int value = penWidthSpinBox->value();
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(penStyleComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(capValue,Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(penJoinComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowPenJoin(int joinValue)
{
QColor color = penColorFrame->palette().color(QPalette::Window);
int value = penWidthSpinBox->value();
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(penStyleComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(penCapComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(joinValue,Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowFillRule()
{
Qt::FillRule rule = Qt::FillRule(fillRuleComboBox->itemData(fillRuleComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setFillRule(rule);
}
void MainWidget::ShowSpreadStyle()
{
spread = QGradient::Spread(spreadComboBox->itemData(spreadComboBox->currentIndex(),Qt::UserRole).toInt());
}
void MainWidget::ShowBrushColor()
{
QColor color = QColorDialog::getColor(static_cast<int>(Qt::blue));
brushColorFrame->setPalette(QPalette(color));
ShowBrush(brushStyleComboBox->currentIndex());
}
void MainWidget::ShowBrush(int value)
{
QColor color = brushColorFrame->palette().color(QPalette::Window);
Qt::BrushStyle style = Qt::BrushStyle(brushStyleComboBox->itemData(value,Qt::UserRole).toInt());
if(style == Qt::LinearGradientPattern)
{
QLinearGradient linearGradient(0,0,400,400);
linearGradient.setColorAt(0.0,Qt::white);
linearGradient.setColorAt(0.2,color);
linearGradient.setColorAt(1.0,Qt::black);
linearGradient.setSpread(spread);
paintArea->setBrush(linearGradient);
}
else if(style == Qt::RadialGradientPattern)
{
QRadialGradient radialGradient(200,200,150,150,100);
radialGradient.setColorAt(0.0,Qt::white);
radialGradient.setColorAt(0.2,color);
radialGradient.setColorAt(1.0,Qt::black);
radialGradient.setSpread(spread);
paintArea->setBrush(radialGradient);
}
else if(style == Qt::ConicalGradientPattern)
{
QConicalGradient conicalGradient(200,200,30);
conicalGradient.setColorAt(0.0,Qt::white);
conicalGradient.setColorAt(0.2,color);
conicalGradient.setColorAt(1.0,Qt::black);
paintArea->setBrush(conicalGradient);
}
else if(style == Qt::TexturePattern)
{
paintArea->setBrush(QBrush(QPixmap("butterfly.png")));
}
else
{
paintArea->setBrush(QBrush(color,style));
}
}
#include <QColorDialog>
MainWidget::MainWidget(QWidget *parent)
: QWidget(parent)
{
paintArea =new PaintArea;
shapeLabel =new QLabel(tr("形状：")); //形状选择下拉列表框
shapeComboBox =new QComboBox;
shapeComboBox->addItem(tr("Line"),PaintArea::Line);
shapeComboBox->addItem(tr("Rectangle"),PaintArea::Rectangle);
shapeComboBox->addItem(tr("RoundedRect"),PaintArea::RoundRect);
shapeComboBox->addItem(tr("Ellipse"),PaintArea::Ellipse);
shapeComboBox->addItem(tr("Polygon"),PaintArea::Polygon);
shapeComboBox->addItem(tr("Polyline"),PaintArea::Polyline);
shapeComboBox->addItem(tr("Points"),PaintArea::Points);
shapeComboBox->addItem(tr("Arc"),PaintArea::Arc);
shapeComboBox->addItem(tr("Path"),PaintArea::Path);
shapeComboBox->addItem(tr("Text"),PaintArea::Text);
shapeComboBox->addItem(tr("Pixmap"),PaintArea::Pixmap);
connect(shapeComboBox,SIGNAL(activated(int)),this,SLOT(ShowShape (int)));
penColorLabel =new QLabel(tr("画笔颜色：")); //画笔颜色选择控件
penColorFrame =new QFrame;
penColorFrame->setFrameStyle(QFrame::Panel|QFrame::Sunken);
penColorFrame->setAutoFillBackground(true);
penColorFrame->setPalette(QPalette(Qt::blue));
penColorBtn =new QPushButton(tr("更改"));
connect(penColorBtn,SIGNAL(clicked()),this,SLOT(ShowPenColor()));
penWidthLabel =new QLabel(tr("画笔线宽：")); //画笔线宽选择控件
penWidthSpinBox =new QSpinBox;
penWidthSpinBox->setRange(0,20);
connect(penWidthSpinBox,SIGNAL(valueChanged(int)),this,SLOT (ShowPenWidth(int)));
penStyleLabel =new QLabel(tr("画笔风格：")); //画笔风格选择下拉列表框
penStyleComboBox =new QComboBox;
penStyleComboBox->addItem(tr("SolidLine"),static_cast<int>(Qt::SolidLine));
penStyleComboBox->addItem(tr("DashLine"),static_cast<int>(Qt::DashLine));
penStyleComboBox->addItem(tr("DotLine"),static_cast<int>(Qt::DotLine));
penStyleComboBox->addItem(tr("DashDotLine"),static_cast<int>(Qt::DashDotLine));
penStyleComboBox->addItem(tr("DashDotDotLine"),static_cast<int>(Qt::DashDotDotLine));
penStyleComboBox->addItem(tr("CustomDashLine"),static_cast<int>(Qt::CustomDashLine));
connect(penStyleComboBox,SIGNAL(activated(int)),this,SLOT (ShowPenStyle(int)));
penCapLabel =new QLabel(tr("画笔顶帽：")); //画笔顶端风格选择下拉列表框
penCapComboBox =new QComboBox;
penCapComboBox->addItem(tr("SquareCap"),Qt::SquareCap);
penCapComboBox->addItem(tr("FlatCap"),Qt::FlatCap);
penCapComboBox->addItem(tr("RoundCap"),Qt::RoundCap);
connect(penCapComboBox,SIGNAL(activated(int)),this,SLOT(ShowPenCap (int)));
penJoinLabel =new QLabel(tr("画笔连接点：")); //画笔连接点风格选择下拉列表框
penJoinComboBox =new QComboBox;
penJoinComboBox->addItem(tr("BevelJoin"),Qt::BevelJoin);
penJoinComboBox->addItem(tr("MiterJoin"),Qt::MiterJoin);
penJoinComboBox->addItem(tr("RoundJoin"),Qt::RoundJoin);
connect(penJoinComboBox,SIGNAL(activated(int)),this,SLOT(ShowPenJoin (int)));
fillRuleLabel =new QLabel(tr("填充模式："));
//填充模式选择下拉列表框
fillRuleComboBox =new QComboBox;
fillRuleComboBox->addItem(tr("Odd Even"),Qt::OddEvenFill);
fillRuleComboBox->addItem(tr("Winding"),Qt::WindingFill);
connect(fillRuleComboBox,SIGNAL(activated(int)),this,SLOT (ShowFillRule()));
spreadLabel =new QLabel(tr("铺展效果："));
//铺展效果选择下拉列表框
spreadComboBox =new QComboBox;
spreadComboBox->addItem(tr("PadSpread"),QGradient::PadSpread);
spreadComboBox->addItem(tr("RepeatSpread"),QGradient::RepeatSpread);
spreadComboBox->addItem(tr("ReflectSpread"),QGradient:: ReflectSpread);
connect(spreadComboBox,SIGNAL(activated(int)),this,SLOT (ShowSpreadStyle()));
brushColorLabel =new QLabel(tr("画刷颜色：")); //画刷颜色选择控件
brushColorFrame =new QFrame;
brushColorFrame->setFrameStyle(QFrame::Panel|QFrame::Sunken);
brushColorFrame->setAutoFillBackground(true);
brushColorFrame->setPalette(QPalette(Qt::green));
brushColorBtn =new QPushButton(tr("更改"));
connect(brushColorBtn,SIGNAL(clicked()),this,SLOT (ShowBrushColor()));
brushStyleLabel =new QLabel(tr("画刷风格：")); //画刷风格选择下拉列表框
brushStyleComboBox =new QComboBox;
brushStyleComboBox->addItem(tr("SolidPattern"),static_cast<int>(Qt::SolidPattern));
brushStyleComboBox->addItem(tr("Dense1Pattern"),static_cast<int>(Qt::Dense1Pattern));
brushStyleComboBox->addItem(tr("Dense2Pattern"),static_cast<int>(Qt::Dense2Pattern));
brushStyleComboBox->addItem(tr("Dense3Pattern"),static_cast<int>(Qt::Dense3Pattern));
brushStyleComboBox->addItem(tr("Dense4Pattern"),static_cast<int>(Qt::Dense4Pattern));
brushStyleComboBox->addItem(tr("Dense5Pattern"),static_cast<int>(Qt::Dense5Pattern));
brushStyleComboBox->addItem(tr("Dense6Pattern"),static_cast<int>(Qt::Dense6Pattern));
brushStyleComboBox->addItem(tr("Dense7Pattern"),static_cast<int>(Qt::Dense7Pattern));
brushStyleComboBox->addItem(tr("HorPattern"),static_cast<int>(Qt::HorPattern));
brushStyleComboBox->addItem(tr("VerPattern"),static_cast<int>(Qt::VerPattern));
brushStyleComboBox->addItem(tr("CrossPattern"),static_cast<int>(Qt::CrossPattern));
brushStyleComboBox->addItem(tr("BDiagPattern"),static_cast<int>(Qt::BDiagPattern));
brushStyleComboBox->addItem(tr("FDiagPattern"),static_cast<int>(Qt::FDiagPattern));
brushStyleComboBox->addItem(tr("DiagCrossPattern"),static_cast<int>(Qt:: DiagCrossPattern));
brushStyleComboBox->addItem(tr("LinearGradientPattern"),static_cast<int>(Qt:: LinearGradientPattern));
brushStyleComboBox->addItem(tr("ConicalGradientPattern"),static_cast<int>(Qt:: ConicalGradientPattern));
brushStyleComboBox->addItem(tr("RadialGradientPattern"),static_cast<int>(Qt:: RadialGradientPattern));
brushStyleComboBox->addItem(tr("TexturePattern"),static_cast<int>(Qt::TexturePattern));
connect(brushStyleComboBox,SIGNAL(activated(int)),this,SLOT (ShowBrush(int)));
rightLayout =new QGridLayout; //控制面板的布局
rightLayout->addWidget(shapeLabel,0,0);
rightLayout->addWidget(shapeComboBox,0,1);
rightLayout->addWidget(penColorLabel,1,0);
rightLayout->addWidget(penColorFrame,1,1);
rightLayout->addWidget(penColorBtn,1,2);
rightLayout->addWidget(penWidthLabel,2,0);
rightLayout->addWidget(penWidthSpinBox,2,1);
rightLayout->addWidget(penStyleLabel,3,0);
rightLayout->addWidget(penStyleComboBox,3,1);
rightLayout->addWidget(penCapLabel,4,0);
rightLayout->addWidget(penCapComboBox,4,1);
rightLayout->addWidget(penJoinLabel,5,0);
rightLayout->addWidget(penJoinComboBox,5,1);
rightLayout->addWidget(fillRuleLabel,6,0);
rightLayout->addWidget(fillRuleComboBox,6,1);
rightLayout->addWidget(spreadLabel,7,0);
rightLayout->addWidget(spreadComboBox,7,1);
rightLayout->addWidget(brushColorLabel,8,0);
rightLayout->addWidget(brushColorFrame,8,1);
rightLayout->addWidget(brushColorBtn,8,2);
rightLayout->addWidget(brushStyleLabel,9,0);
rightLayout->addWidget(brushStyleComboBox,9,1);
QHBoxLayout *mainLayout =new QHBoxLayout(this);
//整体的布局
mainLayout->addWidget(paintArea);
mainLayout->addLayout(rightLayout);
mainLayout->setStretchFactor(paintArea,1);
mainLayout->setStretchFactor(rightLayout,0);
ShowShape(shapeComboBox->currentIndex()); //显示默认的图形
}
MainWidget::~MainWidget()
{
}
void MainWidget::ShowShape(int value)
{
PaintArea::Shape shape = PaintArea::Shape(shapeComboBox->itemData(value,Qt::UserRole).toInt());
paintArea->setShape(shape);
}
void MainWidget::ShowPenColor()
{
QColor color = QColorDialog::getColor(static_cast<int>(Qt::blue));
penColorFrame->setPalette(QPalette(color));
int value = penWidthSpinBox->value();
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(penStyleComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(penCapComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(penJoinComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowPenWidth(int value)
{
QColor color = penColorFrame->palette().color(QPalette::Window);
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(penStyleComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(penCapComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(penJoinComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowPenStyle(int styleValue)
{
QColor color = penColorFrame->palette().color(QPalette::Window);
int value = penWidthSpinBox->value();
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(styleValue,Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(penCapComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(penJoinComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowPenCap(int capValue)
{
QColor color = penColorFrame->palette().color(QPalette::Window);
int value = penWidthSpinBox->value();
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(penStyleComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(capValue,Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(penJoinComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowPenJoin(int joinValue)
{
QColor color = penColorFrame->palette().color(QPalette::Window);
int value = penWidthSpinBox->value();
Qt::PenStyle style = Qt::PenStyle(penStyleComboBox->itemData(penStyleComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenCapStyle cap = Qt::PenCapStyle(penCapComboBox->itemData(penCapComboBox->currentIndex(),Qt::UserRole).toInt());
Qt::PenJoinStyle join=Qt::PenJoinStyle(penJoinComboBox->itemData(joinValue,Qt::UserRole).toInt());
paintArea->setPen(QPen(color,value,style,cap,join));
}
void MainWidget::ShowFillRule()
{
Qt::FillRule rule = Qt::FillRule(fillRuleComboBox->itemData(fillRuleComboBox->currentIndex(),Qt::UserRole).toInt());
paintArea->setFillRule(rule);
}
void MainWidget::ShowSpreadStyle()
{
spread = QGradient::Spread(spreadComboBox->itemData(spreadComboBox->currentIndex(),Qt::UserRole).toInt());
}
void MainWidget::ShowBrushColor()
{
QColor color = QColorDialog::getColor(static_cast<int>(Qt::blue));
brushColorFrame->setPalette(QPalette(color));
ShowBrush(brushStyleComboBox->currentIndex());
}
void MainWidget::ShowBrush(int value)
{
QColor color = brushColorFrame->palette().color(QPalette::Window);
Qt::BrushStyle style = Qt::BrushStyle(brushStyleComboBox->itemData(value,Qt::UserRole).toInt());
if(style == Qt::LinearGradientPattern)
{
QLinearGradient linearGradient(0,0,400,400);
linearGradient.setColorAt(0.0,Qt::white);
linearGradient.setColorAt(0.2,color);
linearGradient.setColorAt(1.0,Qt::black);
linearGradient.setSpread(spread);
paintArea->setBrush(linearGradient);
}
else if(style == Qt::RadialGradientPattern)
{
QRadialGradient radialGradient(200,200,150,150,100);
radialGradient.setColorAt(0.0,Qt::white);
radialGradient.setColorAt(0.2,color);
radialGradient.setColorAt(1.0,Qt::black);
radialGradient.setSpread(spread);
paintArea->setBrush(radialGradient);
}
else if(style == Qt::ConicalGradientPattern)
{
QConicalGradient conicalGradient(200,200,30);
conicalGradient.setColorAt(0.0,Qt::white);
conicalGradient.setColorAt(0.2,color);
conicalGradient.setColorAt(1.0,Qt::black);
paintArea->setBrush(conicalGradient);
}
else if(style == Qt::TexturePattern)
{
paintArea->setBrush(QBrush(QPixmap("butterfly.png")));
}
else
{
paintArea->setBrush(QBrush(color,style));
}
}
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