自定义Graphics图形系统

Graphic系统，可以良好的完成图形的编辑工作和显示工作，但是在嵌入式板子上并不能良好的工作，因为内部绘图机制在嵌入式屏幕上存在很大的失真问题。

QTEGraphicsItem

QTEGraphicsItem.h

#ifndef QTEGRAPHICSITEM_H
#define QTEGRAPHICSITEM_H#include <QGraphicsItem>
#include <QGraphicsProxyWidget>class QTEGraphicsItem : public QGraphicsItem
{
public:explicit QTEGraphicsItem(QTEGraphicsItem *parent = 0);};class QTEGraphicsTextItem : public QGraphicsTextItem
{
public:explicit QTEGraphicsTextItem(QTEGraphicsItem *parent = 0);// QGraphicsItem interface
public:void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
};class QTEGraphicsSimpleTextItem : public QGraphicsSimpleTextItem
{
public:explicit QTEGraphicsSimpleTextItem(QTEGraphicsItem *parent = 0);};class QTEGraphicsPixmapItem : public QGraphicsPixmapItem
{
public:explicit QTEGraphicsPixmapItem(QTEGraphicsItem *parent = 0);};class QTEGraphicsRectItem : public QGraphicsRectItem
{
public:explicit QTEGraphicsRectItem(QTEGraphicsItem *parent = 0);// QGraphicsItem interface
public:void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
};class QTEGraphicsLineItem : public QGraphicsLineItem
{
public:explicit QTEGraphicsLineItem(QTEGraphicsItem *parent = 0);// QGraphicsItem interface
public:void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
};class QTEGraphicsPathItem : public QGraphicsPathItem
{
public:explicit QTEGraphicsPathItem(QTEGraphicsItem *parent = 0);};class QTEGraphicsEllipseItem : public QGraphicsEllipseItem
{
public:explicit QTEGraphicsEllipseItem(QTEGraphicsItem *parent = 0);};class QTEGraphicsPolygonItem : public QGraphicsPolygonItem
{
public:explicit QTEGraphicsPolygonItem(QTEGraphicsItem *parent = 0);};class QTEGraphicsItemGroup : public QGraphicsItemGroup
{
public:explicit QTEGraphicsItemGroup(QTEGraphicsItem *parent = 0);};class QTEGraphicsProxyWidget : public QGraphicsProxyWidget
{
public:explicit QTEGraphicsProxyWidget(QTEGraphicsItem *parent = 0);};#endif // QTEGRAPHICSITEM_H

QTEGraphicsItem.cpp

#include "hngraphicsitem.h"
#include <QPainter>
#include <QStyleOptionGraphicsItem>
#include "QTEDefine.h"QTEGraphicsItem::QTEGraphicsItem(QTEGraphicsItem *parent) : QGraphicsItem(parent) {}QTEGraphicsTextItem::QTEGraphicsTextItem(QTEGraphicsItem *parent) : QGraphicsTextItem(parent) {}QTEGraphicsRectItem::QTEGraphicsRectItem(QTEGraphicsItem *parent) : QGraphicsRectItem(parent) {}QTEGraphicsSimpleTextItem::QTEGraphicsSimpleTextItem(QTEGraphicsItem *parent) : QGraphicsSimpleTextItem(parent) {}QTEGraphicsLineItem::QTEGraphicsLineItem(QTEGraphicsItem *parent) : QGraphicsLineItem(parent) {}QTEGraphicsPixmapItem::QTEGraphicsPixmapItem(QTEGraphicsItem *parent) : QGraphicsPixmapItem(parent) {}QTEGraphicsPathItem::QTEGraphicsPathItem(QTEGraphicsItem *parent) : QGraphicsPathItem(parent) {}QTEGraphicsEllipseItem::QTEGraphicsEllipseItem(QTEGraphicsItem *parent) : QGraphicsEllipseItem(parent) {}QTEGraphicsPolygonItem::QTEGraphicsPolygonItem(QTEGraphicsItem *parent) : QGraphicsPolygonItem(parent) {}QTEGraphicsItemGroup::QTEGraphicsItemGroup(QTEGraphicsItem *parent) : QGraphicsItemGroup(parent) {}QTEGraphicsProxyWidget::QTEGraphicsProxyWidget(QTEGraphicsItem *parent) : QGraphicsProxyWidget(parent) {}void QTEGraphicsTextItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{QFont oldFont(painter->font());painter->setFont(font());//painter->fillRect(option->rect, Qt::SolidPattern);painter->drawText(option->rect, Qt::AlignCenter, toPlainText());if (option->state & (QStyle::State_Selected | QStyle::State_HasFocus));if(toPlainText().contains("K1160")){pline() << font().pointSize() << font().pixelSize();pline() << pos() << option->rect << option->exposedRect << toPlainText();pline() << option->matrix << option->matrix.mapRect(option->rect);}painter->setFont(oldFont);
}void QTEGraphicsLineItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{QPen oldPen(painter->pen());qreal xratio = option->rect.width() / option->exposedRect.width();qreal yratio = option->rect.height() / option->exposedRect.height();QPen pn = pen();pn.setWidth(pn.width()*xratio);painter->setPen(pn);QLineF l = QLineF(option->rect.left(), option->rect.top(),option->rect.right(), option->rect.top());painter->drawLine(l);if(0){pline() << line() << l << option->rect << option->exposedRect;pline() << option->matrix << option->matrix.mapRect(option->rect);}painter->setPen(oldPen);
}void QTEGraphicsRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{QPen oldPen(painter->pen());QBrush oldBrush(painter->brush());qreal xratio = option->rect.width() / option->exposedRect.width();qreal yratio = option->rect.height() / option->exposedRect.height();QPen pn = pen();pn.setWidth(pn.width()*xratio);painter->setPen(pn);QRectF r = QRectF(option->rect.left(), option->rect.top(),option->rect.width(), option->rect.height());painter->setBrush(brush());painter->drawRect(r);if(0){pline() << option->matrix << option->matrix.mapRect(option->rect) << r;}painter->setPen(oldPen);painter->setBrush(oldBrush);
}

QTEGraphicsScene

QTEGraphicsScene.h

#ifndef QTEGRAPHICSSCENE_H
#define QTEGRAPHICSSCENE_H#include <QGraphicsScene>
#include "hngraphicsitem.h"class QTEGraphicsScene : public QGraphicsScene
{Q_OBJECT
public:QTEGraphicsScene(QObject *parent = 0);QTEGraphicsScene(const QRectF &sceneRect, QObject *parent = 0);QTEGraphicsScene(qreal x, qreal y, qreal width, qreal height, QObject *parent = 0);virtual ~QTEGraphicsScene() {}void render(QPainter *painter,const QRectF &target = QRectF(), const QRectF &source = QRectF(),Qt::AspectRatioMode aspectRatioMode = Qt::KeepAspectRatio);QTEGraphicsEllipseItem *addEllipse(const QRectF &rect, const QPen &pen = QPen(), const QBrush &brush = QBrush());inline QGraphicsEllipseItem *addEllipse(qreal x, qreal y, qreal w, qreal h, const QPen &pen = QPen(), const QBrush &brush = QBrush()){ return addEllipse(QRectF(x, y, w, h), pen, brush); }QTEGraphicsPathItem *addPath(const QPainterPath &path, const QPen &pen = QPen(), const QBrush &brush = QBrush());QTEGraphicsPixmapItem *addPixmap(const QPixmap &pixmap);QTEGraphicsPolygonItem *addPolygon(const QPolygonF &polygon, const QPen &pen = QPen(), const QBrush &brush = QBrush());QTEGraphicsTextItem *addText(const QString &text, const QFont &font = QFont());QTEGraphicsSimpleTextItem *addSimpleText(const QString &text, const QFont &font = QFont());QTEGraphicsProxyWidget *addWidget(QWidget *widget, Qt::WindowFlags wFlags = 0);QTEGraphicsLineItem *addLine(const QLineF &line, const QPen &pen = QPen());inline QTEGraphicsLineItem *addLine(qreal x1, qreal y1, qreal x2, qreal y2, const QPen &pen = QPen()){ return addLine(QLineF(x1, y1, x2, y2), pen); }QTEGraphicsRectItem *addRect(const QRectF &rect, const QPen &pen = QPen(), const QBrush &brush = QBrush());inline QTEGraphicsRectItem *addRect(qreal x, qreal y, qreal w, qreal h, const QPen &pen = QPen(), const QBrush &brush = QBrush()){ return addRect(QRectF(x, y, w, h), pen, brush); }signals:public slots:// QGraphicsScene interface
protected:void drawItems(QPainter *painter, int numItems, QGraphicsItem *items[], const QStyleOptionGraphicsItem options[], QWidget *widget = 0);private:
};#endif // QTEGRAPHICSSCENE_H

QTEGraphicsScene.cpp

#include "hngraphicsscene.h"
#include <QGraphicsItem>
#include <QPainter>
#include "QTEDefine.h"QTEGraphicsScene::QTEGraphicsScene(QObject *parent) :QGraphicsScene(parent)
{
}QTEGraphicsScene::QTEGraphicsScene(const QRectF &sceneRect, QObject *parent) :QGraphicsScene(sceneRect, parent)
{}QTEGraphicsScene::QTEGraphicsScene(qreal x, qreal y, qreal width, qreal height, QObject *parent) :QGraphicsScene(x, y, width, height, parent)
{}/** * @brief QTEGraphicsScene::render * 经过测试，失真是由于render放缩QPainter和drawItems里面的itemPaint共同导致失真 * 现在规整理如下，原则：Qpainter不允许改变 * 重写itemPaint函数 * @param painter * @param target * @param source * @param aspectRatioMode */
void QTEGraphicsScene::render(QPainter *painter, const QRectF &target, const QRectF &source, Qt::AspectRatioMode aspectRatioMode)
{// Find the ideal x / y scaling ratio to fit a source into a target.QRectF sourceRect = sceneRect();QRectF targetRect = sourceRect;if(!source.isEmpty())sourceRect = source;if(!target.isEmpty())targetRect = target;qreal xratio = targetRect.width() / sourceRect.width();qreal yratio = targetRect.height() / sourceRect.height();QList<QGraphicsItem *> itemList = items();QGraphicsItem **itemArray = new QGraphicsItem *[itemList.size()];int numItems = itemList.size();for (int i = 0; i < numItems; ++i)itemArray[numItems - i - 1] = itemList.at(i);itemList.clear();painter->save();// Generate the style optionsQStyleOptionGraphicsItem *styleOptionArray = new QStyleOptionGraphicsItem[numItems];for (int i = 0; i < numItems; ++i) {QGraphicsItem *item = itemArray[i];QStyleOptionGraphicsItem option;option.state = QStyle::State_None;if (item->isSelected())option.state |= QStyle::State_Selected;if (item->isEnabled())option.state |= QStyle::State_Enabled;if (item->hasFocus())option.state |= QStyle::State_HasFocus;if (item == mouseGrabberItem())option.state |= QStyle::State_Sunken;option.exposedRect = item->boundingRect();option.rect.setLeft(item->pos().x()*xratio);option.rect.setWidth(option.exposedRect.width()*xratio);option.rect.setTop(item->pos().y()*yratio);option.rect.setHeight(option.exposedRect.height()*yratio);//pline() << xratio << yratio << item->pos() << option.rect << option.exposedRect;styleOptionArray[i] = option;}// Render the scene.drawBackground(painter, targetRect);drawItems(painter, numItems, itemArray, styleOptionArray);drawForeground(painter, targetRect);delete [] itemArray;delete [] styleOptionArray;painter->restore();
}QTEGraphicsTextItem *QTEGraphicsScene::addText(const QString &text, const QFont &font)
{QTEGraphicsTextItem* item = new QTEGraphicsTextItem;item->setFont(font);item->setPlainText(text);addItem(item);return item;
}QTEGraphicsRectItem *QTEGraphicsScene::addRect(const QRectF &rect, const QPen &pen, const QBrush &brush)
{QTEGraphicsRectItem* item = new QTEGraphicsRectItem;item->setRect(rect);item->setPen(pen);item->setBrush(brush);item->moveBy(rect.x(), rect.y());addItem(item);return item;
}QTEGraphicsLineItem *QTEGraphicsScene::addLine(const QLineF &line, const QPen &pen)
{QTEGraphicsLineItem* item = new QTEGraphicsLineItem;item->setLine(line);item->setPen(pen);item->moveBy(line.x1(), line.y1());addItem(item);return item;
}void QTEGraphicsScene::drawItems(QPainter *painter, int numItems, QGraphicsItem *items[], const QStyleOptionGraphicsItem options[], QWidget *widget)
{for (int i = 0; i < numItems; ++i) {QTEGraphicsItem *item = (QTEGraphicsItem*)items[i];if (item->flags() & QGraphicsItem::ItemClipsToShape) {//painter->setClipPath(item->shape(), Qt::IntersectClip);}item->paint(painter, &options[i], widget);}}

Word排版工具

支持添加Table、图片、文本，支持导出pdf、jpg、png、svg，支持预览。

QTEWordExpress

QTEWordExpress.h

#ifndef QTEWORDEXPRESS_H
#define QTEWORDEXPRESS_H#include <QObject>
#include "hngui-qt.h"
#include "hnprinter.h"
#include "hngraphicsscene.h"class QTEWordExpress : public QObject
{Q_OBJECT
public:explicit QTEWordExpress(QObject *parent = 0);void addText(const QString& text, QFont m_font = QFont(),Qt::Alignment align = Qt::AlignHCenter, QPointF point= QPointF(0, 0));void addSignoffText(const QString& text, QFont m_font = QFont());void addTable(const QTableView* table, QPointF pos = QPointF(0, 0));int pageNum() { return pageSceneVector.size(); }QTEGraphicsScene* getPage(int num);void exportPdf(const QString &pdf);void print();QRectF margin();void setMargin(qreal left = 0, qreal right = 0,qreal top = 0, qreal botoom = 0);void setLineSpacing(qreal mainSpacing = 0);void setHeaderSize(qreal size = 0);void setFooterSize(qreal size = 0);QFont font() { return m_font; }void setFont(QFont m_font = QFont());void setHeaderFont(QFont m_font = QFont());QFont mainFont() { return m_mainFont; }QFont titleFont() { return m_titleFont; }QFont title2Font() { return m_title2Font; }QFont headerFont() { return m_headerFont; }void setHeaderLine(bool show = false);void setFooterLine(bool show = false);void setHeaderText(const QString &text, QFont m_font = QFont(),Qt::Alignment align = Qt::AlignHCenter);void setFooterText(const QString& text, QFont m_font = QFont(),Qt::Alignment align = Qt::AlignHCenter);/** * @brief initWordExpress 初始化纸张，第一张空白纸 */void initWordExpress();protected:virtual void adjustdy(qreal dy0);virtual void createFrame();virtual void paintPageHeader();virtual void paintPageFooter();
signals:public slots:private://输出QTEPrinter* pr;//对页面元素高度不能迅速统计的场景QVector<QTEGraphicsScene*> pageSceneVector;QTEGraphicsScene* pageScene;//页面元素int logicalDpiX;int logicalDpiY;QRectF sceneRect;qreal xpos, xpos2, ypos, ypos2;qreal dx, dy;qreal leftMargin;qreal rightMargin;qreal topMargin;qreal bottomMargin;qreal mainHeight;qreal titleHeight;qreal title2Height;qreal headerHeight;qreal mainSpacing;qreal titleSpacing;qreal title2Spacing;qreal headerSpacing;//页眉qreal headerSize;QFont m_headerFont;QFontMetrics *headerFmt;QString headerText;//页脚qreal footerSize;QString footerStdText;QString footerText;//标题QFont m_titleFont;QFontMetrics *titleFmt;//二号标题QFont m_title2Font;QFontMetrics *title2Fmt;//正文QFont m_mainFont;QFontMetrics *mainFmt;//使用中QFont m_font;QFontMetrics *fmt;
};#endif // QTEWORDEXPRESS_H

QTEWordExpress.cpp

#include "hnwordexpress.h"
#include "QTEDefine.h"QTEWordExpress::QTEWordExpress(QObject *parent) :QObject(parent),fmt(0), mainFmt(0),headerFmt(0),titleFmt(0), title2Fmt(0)
{//setup printerpr= new QTEPrinter(QPrinter::HighResolution);pr->setFullPage(true);pr->setColorMode(QPrinter::Color);pr->setPaperSize(QPrinter::A4);pr->setOrientation(QPrinter::Portrait);pr->setOutputFormat(QPrinter::PdfFormat);//Font目标是打印纸上，所见即所得。//Pos目标不是纸上的，是屏幕上的，所以更换屏幕，必须更换DPI；//这个数值是迪文屏上的标准分辨率，打印机使用会失真；//迪文View 142,138 //PCView 96 //打印机View 1200//打印机分辨率1200不会失真，绘图必须进行坐标变换。//数值增大，DrawText可用空间减小甚至切掉一部分
#ifdef __MIPS_LINUX__//这是实验结果，和理论结果不符合。logicalDpiX = 136;logicalDpiY = 156;
#elselogicalDpiX = 96;logicalDpiY = 96;
#endifQRect rect = pr->paperRect();sceneRect = QRectF(0.0, 0.0, logicalDpiX *rect.width()/pr->logicalDpiX(), logicalDpiY*rect.height()/pr->logicalDpiY());#if 0//1200 9917,14033 printerRect 固定//116 958,1356 sceneRect//142 1113,1660 sceneRectpline() << pr->logicalDpiX() << pr->logicalDpiY();pline()  << logicalDpiX << logicalDpiY << pr->pageRect() << sceneRect;pline() << pr->paperRect(QPrinter::DevicePixel);pline() << pr->paperRect(QPrinter::Millimeter);pline() << pr->paperRect(QPrinter::Point);pline() << pr->paperRect(QPrinter::Inch);pline() << pr->paperRect(QPrinter::Pica);pline() << pr->paperRect(QPrinter::Didot);pline() << pr->paperRect(QPrinter::Cicero);
#endifm_mainFont = QApplication::font();if(mainFmt)delete mainFmt;mainFmt = new QFontMetrics(m_mainFont);m_titleFont= QApplication::font();m_titleFont.setPointSize(22);if(titleFmt)delete titleFmt;titleFmt = new QFontMetrics(m_titleFont);m_title2Font = QApplication::font();;m_title2Font.setPointSize(16);if(title2Fmt)delete title2Fmt;title2Fmt =new QFontMetrics(m_title2Font);setMargin();setHeaderSize();setFooterSize();setFont();setHeaderFont();setLineSpacing();setHeaderLine();setFooterLine();initWordExpress();
}void QTEWordExpress::setMargin(qreal left, qreal right, qreal top, qreal botoom)
{leftMargin=134.6;rightMargin=134.6;topMargin=177.7;bottomMargin=177.7;
}QRectF QTEWordExpress::margin()
{return QRectF(leftMargin, topMargin,sceneRect.width()-leftMargin-rightMargin,sceneRect.height()-topMargin-bottomMargin);
}void QTEWordExpress::setFont(QFont font)
{//normal font 11m_font = QApplication::font();if(fmt)delete fmt;fmt = new QFontMetrics(m_font);
}void QTEWordExpress::setLineSpacing(qreal spacing)
{//单倍行距mainHeight = mainFmt->height();titleHeight = titleFmt->height();title2Height = title2Fmt->height();headerHeight = headerFmt->height();mainSpacing = mainFmt->height() * 2;titleSpacing = titleFmt->height() * 2;title2Spacing = title2Fmt->height() * 2;headerSpacing = headerFmt->height() * 1;
}void QTEWordExpress::addText(const QString &text, QFont font, Qt::Alignment align, QPointF point)
{QFontMetrics fmt = QFontMetrics(font);int spacing = fmt.height() * 2;int height = fmt.height();int width=fmt.width(text);pline() << font.pointSize() << fmt.height();adjustdy(height + spacing);QTEGraphicsTextItem* item = pageScene->addText(text, font);if(align & Qt::AlignLeft)item->moveBy(dx, dy+height);else if(align & Qt::AlignRight)item->moveBy(xpos2 - width, dy+height);else if(align & Qt::AlignHCenter)item->moveBy((pageScene->width()/2)-(width/2), dy+height);dy += height + spacing;
}void QTEWordExpress::addSignoffText(const QString &text, QFont font)
{adjustdy(mainHeight + mainSpacing);int ddy = dy;dy = ypos2 - ( (mainHeight + mainSpacing) * 2 );addText(text, m_mainFont, Qt::AlignRight);dy = ddy;
}void QTEWordExpress::addTable(const QTableView *table, QPointF pos)
{const QTableView *tableView = table;QAbstractItemModel* model = tableView->model();QFont tableFont = tableView->font();QFontMetrics tableFmt = QFontMetrics(tableFont);int tableRowHeight = tableView->horizontalHeader()->height();adjustdy(tableRowHeight);for (int i=0; i<model->columnCount(); i++) {int logicalIndex=tableView->horizontalHeader()->logicalIndex(i);int actColSize= tableView->columnWidth(logicalIndex);QPen pen(Qt::gray, 0.1);QBrush brush(QColor(255, 250, 250));//QBrush brush(tableView->horizontalHeader()->palette().background());pageScene->addRect(dx,dy, actColSize,tableRowHeight, pen, brush);QString txt = model->headerData(logicalIndex,Qt::Horizontal,Qt::DisplayRole).toString();txt = tableFmt.elidedText(txt, Qt::ElideRight, actColSize-2);QTEGraphicsTextItem *item = pageScene->addText(txt, tableFont);item->moveBy(dx, dy);dx += actColSize;}dy += tableRowHeight;//Table rowsQPen pen(Qt::gray, 0.1);QBrush brush(Qt::gray, Qt::SolidPattern);int row = 0;for (;;) {if (row >= model->rowCount()) {break;}tableRowHeight = tableView->rowHeight(row);adjustdy(tableRowHeight);for (int j=0; j<model->columnCount(); j++) {int logicalIndex=tableView->horizontalHeader()->logicalIndex(j);int actColSize=tableView->columnWidth(logicalIndex);QPen pen(Qt::gray, 0.1);QBrush brush(tableView->palette().window());bool balt = tableView->alternatingRowColors();if(balt){int modulo= row % 2;if (modulo != 0) {//rectangle greypageScene->addRect(dx,dy,actColSize,tableRowHeight, pen, brush);}else{pageScene->addRect(dx,dy,actColSize,tableRowHeight, pen);}}else{pageScene->addRect(dx,dy,actColSize,tableRowHeight, pen);}QString txt = model->data(model->index(row,logicalIndex)).toString();txt=tableFmt.elidedText(txt,Qt::ElideRight,actColSize-2);QTEGraphicsTextItem *item = pageScene->addText(txt, tableFont);item->moveBy(dx,dy);dx+=actColSize;}row++;dy += tableRowHeight;dx = xpos;}
}void QTEWordExpress::exportPdf(const QString &pdf)
{// setup printerpr->setOutputFileName(pdf);// print pdfQPainter p(pr);QTEGraphicsScene* pageScene = 0;foreach (pageScene, pageSceneVector) {pageScene->render(&p, pr->paperRect(), sceneRect);if(pageScene != pageSceneVector.last())pr->newPage();}
}QTEGraphicsScene *QTEWordExpress::getPage(int num)
{if(num < 1 || num > pageSceneVector.size())return NULL;return pageSceneVector.at(num-1);
}void QTEWordExpress::print()
{pr->print();
}void QTEWordExpress::setHeaderFont(QFont font)
{//header fontm_headerFont = QApplication::font();;m_headerFont.setPointSize(9);if(headerFmt)delete headerFmt;headerFmt =new QFontMetrics(m_headerFont);
}void QTEWordExpress::setHeaderSize(qreal size)
{headerSize=70;
}void QTEWordExpress::setHeaderLine(bool show)
{}void QTEWordExpress::setHeaderText(const QString &text, QFont font, Qt::Alignment align)
{headerText = text;paintPageHeader();
}void QTEWordExpress::setFooterSize(qreal size)
{footerSize=70;
}void QTEWordExpress::setFooterLine(bool show)
{}void QTEWordExpress::setFooterText(const QString &text, QFont font, Qt::Alignment align)
{footerText = text;paintPageFooter();
}void QTEWordExpress::initWordExpress()
{while ( ! pageSceneVector.isEmpty() ) {QTEGraphicsScene* pageScene = pageSceneVector.first();pageScene->clear();delete pageScene;pageSceneVector.remove(0);}headerText = "";footerText = "";createFrame();
}void QTEWordExpress::adjustdy(qreal dy0)
{dx = xpos;if(dy + dy0 < ypos2)return;createFrame();
}void QTEWordExpress::createFrame()
{xpos = leftMargin;xpos2 = sceneRect.width() - rightMargin;ypos = topMargin;ypos2 = sceneRect.height() - bottomMargin;dx = xpos;dy = ypos;pageScene = new QTEGraphicsScene(sceneRect);pageSceneVector.append(pageScene);paintPageHeader();paintPageFooter();
}void QTEWordExpress::paintPageHeader()
{// Page headerif (headerText.isEmpty())return;int sx = xpos;int sy = ypos-headerSize;//页眉QTEGraphicsTextItem *headerItem = pageScene->addText(headerText, m_headerFont);headerItem->moveBy(sx, sy);//std textQString date=QDate::currentDate().toString(QLocale().dateFormat());QString time=QTime::currentTime().toString(QLocale().timeFormat(QLocale::ShortFormat));QString headerStdText;headerStdText = date+" "+time;QTEGraphicsTextItem *item = pageScene->addText(headerStdText, m_headerFont);item->moveBy(xpos2 - headerFmt->width(headerStdText), sy);sy += headerItem->boundingRect().height();//linepageScene->addLine(xpos, sy, xpos2, sy, QPen(Qt::black, 1.0));
}void QTEWordExpress::paintPageFooter()
{if (footerText.isEmpty())return;// footerint sx = xpos;QString footerStdText = tr("第 ") + QString::number(pageSceneVector.size()) + tr(" 页");QTEGraphicsTextItem *item=pageScene->addText(footerStdText, m_headerFont);int height = item->boundingRect().height();int sy = ypos2 + footerSize - height;item->moveBy(xpos2 - headerFmt->width(footerStdText), sy);pageScene->addLine(xpos, sy, xpos2, sy, QPen(Qt::black, 1.0));QTEGraphicsTextItem *footerItem=pageScene->addText(footerText, m_headerFont);footerItem->moveBy(xpos, sy);
}

QTEReport

QTEReport.h

#ifndef QTEREPORT_H
#define QTEREPORT_H#include "hnwordexpress.h"class QTEReport : public QTEWordExpress
{Q_OBJECT
public:explicit QTEReport(QObject *parent = 0);void createSampleReport(const QString& head, const QString& foot, const QString& title,const QTableView* table);void GenerateComplexReport();
signals:public slots:// QTEWordExpress interface
protected:private:
};QTEReport* QTEReportInstance(QObject* parent);#endif // QTEREPORT_H

QTEReport.cpp

#include "hnreport.h"QTEReport::QTEReport(QObject *parent) :QTEWordExpress(parent)
{
}void QTEReport::createSampleReport(const QString &head, const QString &foot, const QString &title, const QTableView *table)
{initWordExpress();setHeaderText(head);setFooterText(foot);addText(title, titleFont());addText("试验结果", title2Font(), Qt::AlignLeft);addTable(table);addSignoffText("打印人:___________");
}void QTEReport::GenerateComplexReport()
{
}QTEReport *QTEReportInstance(QObject *parent)
{static QTEReport* r = new QTEReport(parent);return r;
}

转载于:https://my.oschina.net/tianduanrui/blog/1536594

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矢量图和Word：EPS，PDF，EMF和SVG
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用ChatGPT处理word表格数据：直接采用ChatGPt和利用ChatGPT编写python脚本两种方法
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电脑word在哪_word是什么？小学生：单词，大学生：论文排版工具
word是什么,对于不同人会有不同的理解,它可能只是一个单词,它也可能是一个排版工具.今天就以我自己的经历给大家讲述一下,人生的不同阶段,word分别是什么. 一.小学阶段,好像是一个单词我们那个时 ...

Qt利用QGraphicsScene编写Word排版工具导出PDF