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canvas.cpp
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canvas.cpp
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#include "canvas.h"
#include <QFileInfo>
#include <QDebug>
#include <QDateTime>
#include "operateSet.h"
#include <QTranslator>
/*
* Author:qiuzhiqian
* Email:[email protected]
* Github:https://github.com/qiuzhiqian
* Date:2017.07.23
* Description:这个类主要用来创建一个桌面的截图画布
**/
//考虑继承QLabel
Canvas::Canvas(QWidget *parent) : QWidget(parent)
{
okFlag=1;
const QRect screenGeometry = QApplication::desktop()->screenGeometry(this);
screen_width=screenGeometry.width();
screen_height=screenGeometry.height();
//this->setWindowFlags(Qt::WindowStaysOnTopHint); //窗口置顶
this->raise(); //软置顶
this->showFullScreen(); //画布全屏显示
clipboard = QApplication::clipboard(); //获取系统剪贴板指针
setMouseTracking(true); //鼠标移动捕捉
canvasInit();
initToolBar();
drawEditFlag=0;
}
void Canvas::canvasInit()
{
pointS.rx()=0;
pointS.ry()=0;
pointE.rx()=0;
pointE.ry()=0;
pointDrag.rx()=0;
pointDrag.ry()=0;
rectFlag=DrawStatus::waitDraw;
lineList.clear();
rectList.clear();
ellipseList.clear();
textList.clear();
drawPen.setBrush(Qt::red);
drawPen.setWidthF(2);
drawPen.setStyle(Qt::SolidLine);
}
void Canvas::mousePressEvent(QMouseEvent *event)
{
if(event->button()==Qt::LeftButton)
{
if(rectFlag==DrawStatus::waitDraw)
{
pointS.rx()=event->x();
pointS.ry()=event->y();
pointE.rx()=event->x();
pointE.ry()=event->y();
shotArea=getRectF(pointS,pointE);
rectFlag=DrawStatus::drawing;
}
else if(rectFlag==DrawStatus::drawed) //捕捉拖拽
{
if(drawEditFlag==0)
{
pointDrag.setX(event->x());
pointDrag.setY(event->y());
}
else if(drawEditFlag==1) //画线
{
pointS.rx()=event->x();
pointS.ry()=event->y();
pointE.rx()=event->x();
pointE.ry()=event->y();
LinePaint tempLine(pointS.toPoint(),pointE.toPoint());
//qDebug()<<"drawPen";
tempLine.setPen(drawPen);
lineList.append(tempLine);
}
else if(drawEditFlag==2) //画矩形
{
pointS.rx()=event->x();
pointS.ry()=event->y();
pointE.rx()=event->x();
pointE.ry()=event->y();
RectPaint tempRect=getRectF(pointS,pointE);
tempRect.setPen(drawPen);
rectList.append(tempRect);
}
else if(drawEditFlag==3) //画椭圆
{
pointS.rx()=event->x();
pointS.ry()=event->y();
pointE.rx()=event->x();
pointE.ry()=event->y();
RectPaint tempRect=getRectF(pointS,pointE);
tempRect.setPen(drawPen);
ellipseList.append(tempRect);
}
else if(drawEditFlag==4) //添加文本
{
int x=event->x();
int y=event->y();
TextPaint *curText=new TextPaint(this);
int cnt=textList.length();
for(int i=0;i<cnt;i++)
{
textList.at(i)->clearFocus();
}
//QFont tempFont("Timers",32,QFont::Black);
QFontMetrics fm(textfont);
curText->setGeometry(x,y,10,fm.height()+2);
curText->setFont(textfont);
QPalette palette;
//palette.setColor(QPalette::Text,Qt::red);
palette.setColor(QPalette::Text,textcolor);
curText->setPalette(palette);
curText->setVisible(true);
textList.append(curText);
curText->setFocus();
QWidget::mousePressEvent(event);
update();
}
}
}
else if(event->button()==Qt::RightButton) //重新绘制区域
{
setCursor(Qt::ArrowCursor);
if(rectFlag==DrawStatus::waitDraw)
{
slt_cancel();
}
else
{
canvasInit();
hideToolBar();
update();
}
}
}
void Canvas::mouseMoveEvent(QMouseEvent *event)
{
if(event->buttons()&Qt::LeftButton)
{
if(rectFlag==DrawStatus::drawing)
{
pointE.setX(event->x());
pointE.setY(event->y());
shotArea=getRectF(pointS,pointE);
}
else if(rectFlag==DrawStatus::drawed) //拖拽
{
QPointF tempTL,tempBR;
tempTL=shotArea.topLeft();
tempBR=shotArea.bottomRight();
switch(cursorCaptureFlag)
{
case 0: //无效区域
setCursor(Qt::ArrowCursor);
break;
case 1: //左上
setCursor(Qt::SizeFDiagCursor);
tempTL.setX(event->x());
tempTL.setY(event->y());
break;
case 2: //左下
setCursor(Qt::SizeBDiagCursor);
tempTL.setX(event->x());
tempBR.setY(event->y());
break;
case 3: //左边
setCursor(Qt::SizeHorCursor);
tempTL.setX(event->x());
break;
case 4: //右上
setCursor(Qt::SizeBDiagCursor);
tempBR.setX(event->x());
tempTL.setY(event->y());
break;
case 5: //右下
setCursor(Qt::SizeFDiagCursor);
tempBR.setX(event->x());
tempBR.setY(event->y());
break;
case 6: //右边
setCursor(Qt::SizeHorCursor);
tempBR.setX(event->x());
shotArea=getRectF(pointS,pointE);
break;
case 7: //上边
setCursor(Qt::SizeVerCursor);
tempTL.setY(event->y());
break;
case 8: //下边
setCursor(Qt::SizeVerCursor);
tempBR.setY(event->y());
break;
case 9: //中央
if(drawEditFlag==0)
{
setCursor(Qt::SizeAllCursor);
qreal dx=event->x()-pointDrag.x(); //获取坐标差
qreal dy=event->y()-pointDrag.y();
pointDrag.setX(event->x()); //刷新拖拽点坐标
pointDrag.setY(event->y());
if( (tempTL.x()+dx)>0 && (tempBR.x()+dx)<screen_width )
{
tempTL.rx()+=dx;
tempBR.rx()+=dx;
}
if( (tempTL.y()+dy)>0 && (tempBR.y()+dy)<screen_height )
{
tempTL.ry()+=dy;
tempBR.ry()+=dy;
}
}
else if(drawEditFlag==1) //绘线
{
pointE.setX(event->x());
pointE.setY(event->y());
lineList.last().setPoints(pointS.toPoint(),pointE.toPoint());
}
else if(drawEditFlag==2) //绘矩形
{
pointE.setX(event->x());
pointE.setY(event->y());
rectList.last().setTopLeft(pointS);
rectList.last().setBottomRight(pointE);
}
else if(drawEditFlag==3) //绘椭圆
{
pointE.setX(event->x());
pointE.setY(event->y());
ellipseList.last().setTopLeft(pointS);
ellipseList.last().setBottomRight(pointE);
}
break;
}
shotArea.setTopLeft(tempTL);
shotArea.setBottomRight(tempBR);
showToolBar(); //实时更新工具条位置
}
update();
}
else if(event->buttons()==Qt::NoButton) //没有按键按下
{
if(rectFlag==DrawStatus::drawed) //捕捉拖拽
{
cursorCaptureFlag=caputerRect(shotArea,event->x(),event->y());
switch(cursorCaptureFlag)
{
case 0: //无效区域
setCursor(Qt::ArrowCursor);
break;
case 1: //左上
setCursor(Qt::SizeFDiagCursor);
break;
case 2: //左下
setCursor(Qt::SizeBDiagCursor);
break;
case 3: //左边
setCursor(Qt::SizeHorCursor);
break;
case 4: //右上
setCursor(Qt::SizeBDiagCursor);
break;
case 5: //右下
setCursor(Qt::SizeFDiagCursor);
break;
case 6: //右边
setCursor(Qt::SizeHorCursor);
break;
case 7: //上边
setCursor(Qt::SizeVerCursor);
break;
case 8: //下边
setCursor(Qt::SizeVerCursor);
break;
case 9: //中央
if(drawEditFlag==0)
{
setCursor(Qt::SizeAllCursor);
}
else //追加图形
{
setCursor(Qt::ArrowCursor);
}
break;
}
}
}
}
void Canvas::mouseReleaseEvent(QMouseEvent *event)
{
if(event->button()==Qt::LeftButton)
{
if(rectFlag==DrawStatus::drawing)
{
pointE.setX(event->x());
pointE.setY(event->y());
shotArea=getRectF(pointS,pointE);
rectFlag=DrawStatus::drawed; //矩形绘制完成
qDebug()<<"draw end.";
showToolBar();
}
else if(rectFlag==DrawStatus::drawed)
{
if(drawEditFlag==0)
{
showToolBar();
}
else if(drawEditFlag==1)
{
if( (pointS.x()==pointE.x()) && (pointS.y()==pointE.y()) )//直线长度为0
{
lineList.removeLast();
}
}
else if(drawEditFlag==2)
{
if( (pointS.x()==pointE.x()) && (pointS.y()==pointE.y()) )//矩形区域为空
{
rectList.removeLast();
}
}
else if(drawEditFlag==3)
{
if( (pointS.x()==pointE.x()) && (pointS.y()==pointE.y()) )//矩形区域为空
{
ellipseList.removeLast();
}
}
}
update();
}
}
void Canvas::paintEvent(QPaintEvent *e)
{
QPainter painter(this);
QPixmap tempmask(screen_width, screen_width);
tempmask.fill((QColor(0, 0, 0, 160)));
painter.drawPixmap(0,0,fullPixmap); //先绘制全屏原图背景
painter.drawPixmap(0,0,tempmask); //然后绘制半透明背景，用来降低亮度
switch(rectFlag) //截图状态机
{
case DrawStatus::waitDraw:
{
break;
}
case DrawStatus::drawing:
{
painter.setPen(QPen(Qt::green,2,Qt::DashLine));//设置画笔形式
//painter.setBrush(Qt::white);
painter.drawRect(shotArea); //然后绘制矩形框
fullPixmap.setDevicePixelRatio(2.0);
QScreen *screen = QGuiApplication::primaryScreen();
RectPaint shotAreaOnImage;
shotAreaOnImage.setX(shotArea.x()*screen->orientation());
shotAreaOnImage.setY(shotArea.y()*screen->orientation());
shotAreaOnImage.setWidth(shotArea.width()*screen->orientation());
shotAreaOnImage.setHeight(shotArea.height()*screen->orientation());
painter.drawPixmap(shotArea,fullPixmap,shotAreaOnImage); //然后将矩形框中的半透明图像替换成原图
break;
}
case DrawStatus::drawed:
{
painter.setPen(QPen(Qt::green,2,Qt::DashLine));//设置画笔形式
//painter.setBrush(Qt::white);
QScreen *screen = QGuiApplication::primaryScreen();
RectPaint shotAreaOnImage;
shotAreaOnImage.setX(shotArea.x()*screen->orientation());
shotAreaOnImage.setY(shotArea.y()*screen->orientation());
shotAreaOnImage.setWidth(shotArea.width()*screen->orientation());
shotAreaOnImage.setHeight(shotArea.height()*screen->orientation());
painter.drawRect(shotArea); //然后绘制矩形框
painter.drawPixmap(shotArea,fullPixmap,shotAreaOnImage); //然后将矩形框中的半透明图像替换成原图
break;
}
default:
{
break;
}
}
quint16 len=lineList.length();
if(len)
{
for(quint16 i=0;i<len;i++)
{
painter.setPen(lineList[i].getPen());//设置画笔形式
painter.drawLine(lineList[i]); //然后绘制矩形框
}
}
len=rectList.length();
if(len)
{
for(quint16 i=0;i<len;i++)
{
painter.setPen(rectList[i].getPen());//设置画笔形式
painter.drawRect(rectList[i]); //然后绘制矩形框
}
}
len=ellipseList.length();
if(len)
{
for(quint16 i=0;i<len;i++)
{
painter.setPen(ellipseList[i].getPen());//设置画笔形式
painter.drawEllipse(ellipseList[i]); //然后绘制矩形框
}
}
//len=textList.length();
//if(len)
//{
// for(quint16 i=0;i<len;i++)
// {
// painter.setPen(ellipseList[i].getPen());//设置画笔形式
// painter.drawEllipse(ellipseList[i]); //然后绘制矩形框
// }
//}
QWidget::paintEvent(e);
}
void Canvas::setbgPixmap(QPixmap &px)
{
fullPixmap=px;
}
void Canvas::shootScreen(QRectF &rect) //截图函数
{
QScreen *screen = QGuiApplication::primaryScreen();
originalPixmap = screen->grabWindow(0,rect.x(),rect.y(),rect.width(),rect.height());
}
void Canvas::initToolBar() //工具条初始化
{
toolbar=new QWidget(this);
QWidget *MainToolBar=new QWidget(); //主工具栏
QHBoxLayout *mainToolLayout=new QHBoxLayout();
btn_cancel=new QPushButton(tr("Quit"));
btn_saveClipboard=new QPushButton(tr("Copy"));
btn_saveFile=new QPushButton(tr("Save"));
btn_drawLine=new QPushButton(tr("Line"));
btn_drawRect=new QPushButton(tr("Rect"));
btn_drawEllipse=new QPushButton(tr("Ellipse"));
btn_drawText=new QPushButton(tr("Text"));
btn_cancel->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_saveClipboard->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_saveFile->setStyleSheet("background-color: rgb(255, 255, 255);");
mainToolLayout->addWidget(btn_drawLine);
mainToolLayout->addWidget(btn_drawRect);
mainToolLayout->addWidget(btn_drawEllipse);
mainToolLayout->addWidget(btn_drawText);
mainToolLayout->addWidget(btn_cancel);
mainToolLayout->addWidget(btn_saveClipboard);
mainToolLayout->addWidget(btn_saveFile);
mainToolLayout->setContentsMargins(0,0,0,0); //去除边框间隙
mainToolLayout->setSpacing(0);
MainToolBar->setLayout(mainToolLayout);
shapeToolBar=new QWidget(); //形状拓展工具条
QHBoxLayout *shapeToolLayout=new QHBoxLayout();
textToolBar=new QWidget(); //文本拓展工具条
QHBoxLayout *textToolLayout=new QHBoxLayout();
cbx_lineSize=new QComboBox();
btn_colorSelect=new QPushButton();
cbx_lineStyle=new QComboBox();
QStringList sizeitems;
sizeitems<<"1"<<"2"<<"3"<<"4"<<"5"<<"6"<<"7"<<"8"<<"9"<<"10"<<"11"<<"12"<<"13"<<"14"<<"15"<<"16"<<"17"<<"18"<<"19"<<"20";
cbx_lineSize->addItems(sizeitems);
btn_colorSelect->setStyleSheet("background-color: rgb(255, 0, 0);");
cbx_lineStyle->addItem(QIcon(":/pic/1.ico"),"");
cbx_lineStyle->addItem(QIcon(":/pic/2.ico"),"");
cbx_lineStyle->addItem(QIcon(":/pic/3.ico"),"");
cbx_lineStyle->addItem(QIcon(":/pic/4.ico"),"");
cbx_lineStyle->addItem(QIcon(":/pic/5.ico"),"");
cbx_lineStyle->setIconSize(QSize(80,20));
shapeToolLayout->addWidget(cbx_lineSize);
shapeToolLayout->addWidget(btn_colorSelect);
shapeToolLayout->addWidget(cbx_lineStyle);
shapeToolLayout->addStretch();
shapeToolLayout->setContentsMargins(0,0,0,0); //去除边框间隙
shapeToolLayout->setSpacing(0);
shapeToolBar->setLayout(shapeToolLayout);
shapeToolBar->setVisible(false);
//初始化拓展工具的初始状态
cbx_lineSize->setCurrentText(QString::number(drawPen.width()));
QColor color=drawPen.brush().color();
QString colorStyle=QString("background-color: rgb(%1, %2, %3);").arg(color.red()).arg(color.green()).arg(color.blue());
btn_colorSelect->setStyleSheet(colorStyle);
switch(drawPen.style())
{
case Qt::SolidLine:
cbx_lineStyle->setCurrentIndex(0);
break;
case Qt::DashLine:
cbx_lineStyle->setCurrentIndex(1);
break;
case Qt::DotLine:
cbx_lineStyle->setCurrentIndex(2);
break;
case Qt::DashDotLine:
cbx_lineStyle->setCurrentIndex(3);
break;
case Qt::DashDotDotLine:
cbx_lineStyle->setCurrentIndex(4);
break;
default:
cbx_lineStyle->setCurrentIndex(0);
break;
}
btn_colorText = new QPushButton();
btn_FontText = new QPushButton(tr("Font:10"));
textcolor = QColor(Qt::red);
textfont = QFont("Times", 10, QFont::Bold);
colorStyle=QString("background-color: rgb(%1, %2, %3);").arg(textcolor.red()).arg(textcolor.green()).arg(textcolor.blue());
btn_colorText->setStyleSheet(colorStyle);
btn_FontText->setFont(textfont);
textToolLayout->addWidget(btn_colorText);
textToolLayout->addWidget(btn_FontText);
textToolLayout->addStretch();
textToolLayout->setContentsMargins(0,0,0,0); //去除边框间隙
textToolLayout->setSpacing(0);
textToolBar = new QWidget(this);
textToolBar->setLayout(textToolLayout);
textToolBar->setVisible(false);
QVBoxLayout *toolLayout=new QVBoxLayout();
toolLayout->addWidget(MainToolBar);
toolLayout->addWidget(shapeToolBar);
toolLayout->addWidget(textToolBar);
toolLayout->setContentsMargins(0,0,0,0); //去除边框间隙
toolLayout->setSpacing(0);
toolbar->setLayout(toolLayout);
toolbar->setVisible(true); //如果不显示的话，后面的width和height会计算不准
toolBarWidth = toolbar->width();
toolBarHeight = toolbar->height();
//qDebug()<<"W:"<<toolBarWidth;
//qDebug()<<"H:"<<toolBarHeight;
toolbar->setVisible(false);
btn_drawLine->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawRect->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawEllipse->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawText->setStyleSheet("background-color: rgb(255, 255, 255);");
hideToolBar();
connect(btn_drawLine,SIGNAL(clicked(bool)),this,SLOT(slt_drawLine()));
connect(btn_drawRect,SIGNAL(clicked(bool)),this,SLOT(slt_drawRect()));
connect(btn_drawEllipse,SIGNAL(clicked(bool)),this,SLOT(slt_drawEllipse()));
connect(btn_drawText,SIGNAL(clicked(bool)),this,SLOT(slt_drawText()));
connect(btn_cancel,SIGNAL(clicked(bool)),this,SLOT(slt_cancel()));
connect(btn_saveClipboard,SIGNAL(clicked(bool)),this,SLOT(slt_saveClipboard()));
connect(btn_saveFile,SIGNAL(clicked(bool)),this,SLOT(slt_saveFile()));
//拓展工具信号槽
connect(cbx_lineSize,SIGNAL(currentTextChanged(QString)),this,SLOT(slt_changePenWidth(QString)));
connect(btn_colorSelect,SIGNAL(clicked(bool)),this,SLOT(slt_changePenColor()));
connect(cbx_lineStyle,SIGNAL(currentIndexChanged(int)),SLOT(slt_changePenStyle(int)));
connect(btn_colorText,SIGNAL(clicked(bool)),this,SLOT(slt_changeTextColor()));
connect(btn_FontText,SIGNAL(clicked(bool)),SLOT(slt_changeTextFont()));
}
void Canvas::showToolBar() //显示工具条
{
qreal x,y;
int bar_width=toolBarWidth;//toolbar->width();
int bar_height=toolBarHeight;//toolbar->height();
int offset=5;
qDebug()<<"bottomLeft().x"<<shotArea.bottomLeft().x();
qDebug()<<"bar_width"<<bar_width;
qDebug()<<"offset"<<offset;
qDebug()<<"screen_width"<<screen_width;
if(shotArea.bottomLeft().x()+bar_width+offset<screen_width) //x轴方向边距足够
{
x=shotArea.bottomLeft().x()+offset;
}
else //x轴方向边距不足
{
qDebug()<<"no more x.";
x=screen_width-(bar_width+offset);
}
if(screen_height-shotArea.bottomLeft().y()>(bar_height+offset)) //下边距充足
{
y=shotArea.bottomLeft().y()+offset;
}
else if(shotArea.topLeft().y()>(bar_height+offset)) //上边距充足
{
y=shotArea.topLeft().y()-(bar_height+offset);
}
else if(shotArea.topLeft().y()<0) //上下边距都不够,且上边距在桌面外
{
y=offset;
}
else //上下边距都不够,且上边距在桌面内
{
y=shotArea.topLeft().y()+offset;
}
toolbar->move(x,y);
toolbar->setVisible(true);
}
void Canvas::hideToolBar() //掩藏工具条
{
toolbar->setVisible(false);
}
void Canvas::refrashToolBar()
{
btn_drawLine->setText(tr("Line"));
btn_drawRect->setText(tr("Rect"));
btn_drawEllipse->setText(tr("Ellipse"));
btn_drawText->setText(tr("Text"));
btn_cancel->setText(tr("Quit"));
btn_saveClipboard->setText(tr("Copy"));
btn_saveFile->setText(tr("Save"));
}
void Canvas::slt_drawLine()
{
if(drawEditFlag!=1)
{
drawEditFlag=1;
btn_drawLine->setStyleSheet("background-color: rgb(146, 189, 108);");
btn_drawRect->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawEllipse->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawText->setStyleSheet("background-color: rgb(255, 255, 255);");
shapeToolBar->setVisible(true);
textToolBar->setVisible(false);
toolbar->adjustSize();
showToolBar();
}
else
{
drawEditFlag=0;
btn_drawLine->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawRect->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawEllipse->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawText->setStyleSheet("background-color: rgb(255, 255, 255);");
shapeToolBar->setVisible(false);
textToolBar->setVisible(false);
toolbar->adjustSize();
showToolBar();
}
}
void Canvas::slt_drawRect()
{
if(drawEditFlag!=2)
{
drawEditFlag=2;
btn_drawLine->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawRect->setStyleSheet("background-color: rgb(146, 189, 108);");
btn_drawEllipse->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawText->setStyleSheet("background-color: rgb(255, 255, 255);");
shapeToolBar->setVisible(true);
textToolBar->setVisible(false);
toolbar->adjustSize();
showToolBar();
}
else
{
drawEditFlag=0;
btn_drawLine->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawRect->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawEllipse->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawText->setStyleSheet("background-color: rgb(255, 255, 255);");
shapeToolBar->setVisible(false);
textToolBar->setVisible(false);
toolbar->adjustSize();
showToolBar();
}
}
void Canvas::slt_drawEllipse()
{
if(drawEditFlag!=3)
{
drawEditFlag=3;
btn_drawLine->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawRect->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawEllipse->setStyleSheet("background-color: rgb(146, 189, 108);");
btn_drawText->setStyleSheet("background-color: rgb(255, 255, 255);");
shapeToolBar->setVisible(true);
textToolBar->setVisible(false);
toolbar->adjustSize();
showToolBar();
}
else
{
drawEditFlag=0;
btn_drawLine->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawRect->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawEllipse->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawText->setStyleSheet("background-color: rgb(255, 255, 255);");
shapeToolBar->setVisible(false);
textToolBar->setVisible(false);
toolbar->adjustSize();
showToolBar();
}
}
void Canvas::slt_drawText()
{
if(drawEditFlag!=4)
{
drawEditFlag=4;
btn_drawLine->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawRect->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawEllipse->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawText->setStyleSheet("background-color: rgb(146, 189, 108);");
shapeToolBar->setVisible(false);
textToolBar->setVisible(true);
toolbar->adjustSize();
showToolBar();
}
else
{
drawEditFlag=0;
btn_drawLine->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawRect->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawEllipse->setStyleSheet("background-color: rgb(255, 255, 255);");
btn_drawText->setStyleSheet("background-color: rgb(255, 255, 255);");
shapeToolBar->setVisible(false);
textToolBar->setVisible(false);
toolbar->adjustSize();
showToolBar();
}
}
void Canvas::slt_saveFile()
{
shootScreen(shotArea);
QDateTime current_date_time = QDateTime::currentDateTime();
QString current_date = current_date_time.toString("yyyyMMdd_hhmmsszzz");
QString savefile="ScreenShot_"+current_date+".jpg";
QString savepath=OperateSet::readSetting("Setting","QuickSaveDir",".").toString();
QString fileName = QFileDialog::getSaveFileName(this,
tr("Save File"),
savepath+"/"+savefile,
tr("JPEG File (*.jpg);;BMP File (*.bmp);;PNG File (*.png);;PPM File (*.ppm);;XBM File (*.xbm);;XPM File (*.xpm)")
);
originalPixmap.save(fileName);
QFileInfo fi = QFileInfo(fileName);
//QString file_name = fi.fileName();
QString file_path = fi.absolutePath();
if(file_path!=savepath)
{
OperateSet::writeSetting("Setting","QuickSaveDir",file_path);
}
slt_cancel();
}
void Canvas::slt_saveClipboard()
{
shootScreen(shotArea);
clipboard->setPixmap(originalPixmap);
slt_cancel();
}
void Canvas::slt_cancel()
{
rectFlag=DrawStatus::waitDraw;
this->close();
}
void Canvas::slt_changePenWidth(QString s)
{
drawPen.setWidth(s.toInt());
}
void Canvas::slt_changePenColor()
{
QColor color = QColorDialog::getColor(Qt::blue);
if(color.isValid())
{
//如果颜色有效的话，将colorFrame设置为选中的颜色
//colorFrame->setPalette(QPalette(color));
//btn_colorSelect->setPalette(QPalette(color));
QString colorStyle=QString("background-color: rgb(%1, %2, %3);").arg(color.red()).arg(color.green()).arg(color.blue());
btn_colorSelect->setStyleSheet(colorStyle);
}
drawPen.setColor(color);
}
void Canvas::slt_changePenStyle(int index)
{
switch(index)
{
case 0:
drawPen.setStyle(Qt::SolidLine);
break;
case 1:
drawPen.setStyle(Qt::DashLine);
break;
case 2:
drawPen.setStyle(Qt::DotLine);
break;
case 3:
drawPen.setStyle(Qt::DashDotLine);
break;
case 4:
drawPen.setStyle(Qt::DashDotDotLine);
break;
default:
drawPen.setStyle(Qt::SolidLine);
break;
}
}
void Canvas::slt_changeTextColor()
{
QColor color = QColorDialog::getColor(Qt::blue);
if(color.isValid())
{
textcolor = color;
QString colorStyle=QString("background-color: rgb(%1, %2, %3);").arg(textcolor.red()).arg(textcolor.green()).arg(textcolor.blue());
btn_colorText->setStyleSheet(colorStyle);
}
}
void Canvas::slt_changeTextFont()
{
bool bRet = true;
QFont font = QFontDialog::getFont(&bRet);
if(bRet)
{
textfont = font;
font.setPointSize(10);
btn_FontText->setFont(font);
btn_FontText->setText("Font"+QString::number(textfont.pointSize()));
}
}
//通过任意两点构造一个矩形
RectPaint Canvas::getRectF(QPointF p1, QPointF p2)
{
float x1,y1,x2,y2;
if(p1.x()<p2.x())
{
x1=p1.x();
x2=p2.x();
}
else
{
x1=p2.x();
x2=p1.x();
}
if(p1.y()<p2.y())
{
y1=p1.y();
y2=p2.y();
}
else
{
y1=p2.y();
y2=p1.y();
}
QPointF ps(x1,y1);
QPointF pe(x2,y2);
RectPaint rect(ps,pe);
return rect;
}
void Canvas::changeLanguage(QString lan)
{
QTranslator translator;
bool sta=false;
if(lan=="zh_cn") //简体中文
{
sta=translator.load("zh_cn.qm");
}
else if(lan=="en")
{
sta=translator.load("en.qm");
}
if(sta)
{
QApplication::installTranslator(&translator);
refrashToolBar(); //刷新自定义语言翻译
}
}
quint8 Canvas::caputerRect(QRectF t_rect,qreal t_x,qreal t_y)
{
quint8 pos=0;
if(qAbs(t_x-t_rect.topLeft().x())<2) //左
{
if(qAbs(t_y-t_rect.topLeft().y())<2) //上
{
pos=1;
}
else if(qAbs(t_y-t_rect.bottomRight().y())<2) //下
{
pos=2;
}
else if( (t_y>=t_rect.topLeft().y()+2) && (t_y<=t_rect.bottomRight().y()-2) ) //上下之间
{
pos=3;
}
else
{
pos=0;
}
}
else if(qAbs(t_x-t_rect.bottomRight().x())<2) //右
{
if(qAbs(t_y-t_rect.topLeft().y())<2) //上
{
pos=4;
}
else if(qAbs(t_y-t_rect.bottomRight().y())<2) //下
{
pos=5;
}
else if( (t_y>=t_rect.topLeft().y()+2) && (t_y<=t_rect.bottomRight().y()-2) ) //上下之间
{