75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
#include "curchatwidget.h"
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CurChatWidget::CurChatWidget(QWidget * parent ):QWidget(parent)
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{
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}
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CurChatWidget::~CurChatWidget()
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{
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}
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void CurChatWidget::painteXY(QPainter & painter)
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{
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// 获取Widget的尺寸
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int width = this->width();
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int height = this->height();
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// 绘制X轴
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int marDec = 20;//边距
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painter.drawLine(0+marDec, height-marDec, width-marDec, height-marDec);
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// 绘制Y轴
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painter.drawLine(0+marDec, height-marDec, 0+marDec, 0+marDec);
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//横向分为五分
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for(int i =0;i< 5;i++)
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{
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//获取图形宽度
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int paWidth = width - marDec*2;
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int paheight = height - marDec*2;
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int perWidth = paWidth/5;
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int xstart = marDec +perWidth* i;
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int ystart = marDec ;
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int xend = marDec +perWidth* i;
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int yend = paheight+marDec;
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painter.setPen(Qt::lightGray);
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painter.drawLine(xstart, ystart, xend, yend);
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//每份里面又分为五分，虚线
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for(int j= 1 ;j<5;j++)
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{
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int xstartSmall = xstart +perWidth/5* j;
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int ystartSmall = marDec ;
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int xendSmall= xstart +perWidth/5* j;
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int yendSmall = paheight + marDec;
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QPen pen;
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// QColor color(0xff,0,0);
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QColor color( Qt::lightGray);
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pen.setColor(color);
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pen.setWidth(2);
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pen.setCapStyle(Qt::RoundCap);
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pen.setJoinStyle(Qt::BevelJoin);
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pen.setStyle(Qt::DotLine);
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painter.setPen(pen);
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painter.drawLine(xstartSmall, ystartSmall, xendSmall, yendSmall);
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}
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}
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}
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void CurChatWidget::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing, true);
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// 设置画笔的颜色和样式
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painter.setPen(Qt::black);
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painteXY(painter);
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}
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