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Action print preview.

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--HG--
branch : feature
This commit is contained in:
Roman Telezhynskyi 2015-04-11 17:30:49 +03:00
parent 130063d690
commit fc54866019
4 changed files with 173 additions and 18 deletions
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1
src/app/main.cpp
View file

@ -51,6 +51,7 @@ int main(int argc, char *argv[])
Q_INIT_RESOURCE(schema);
Q_INIT_RESOURCE(theme);
Q_INIT_RESOURCE(flags);
Q_INIT_RESOURCE(icons);
QT_REQUIRE_VERSION(argc, argv, "5.0.0");

134
src/app/tablewindow.cpp
View file

@ -36,10 +36,12 @@
#include "../../libs/vlayout/vlayoutgenerator.h"
#include "../dialogs/app/dialoglayoutprogress.h"
#include "../dialogs/app/dialogsavelayout.h"
#include "../../libs/vlayout/vposter.h"
#include <QtSvg>
#include <QPrinter>
#include <QGraphicsScene>
#include <QPrintPreviewDialog>
#include <QtCore/qmath.h>
#ifdef Q_OS_WIN
@ -78,6 +80,7 @@ TableWindow::TableWindow(QWidget *parent)
connect(ui->actionSave, &QAction::triggered, this, &TableWindow::SaveLayout);
connect(ui->actionLayout, &QAction::triggered, this, &TableWindow::Layout);
connect(ui->listWidget, &QListWidget::currentRowChanged, this, &TableWindow::ShowPaper);
connect(ui->actionPrint_pre_view, &QAction::triggered, this, &TableWindow::PrintPreview);
}
//---------------------------------------------------------------------------------------------------------------------
@ -238,7 +241,7 @@ void TableWindow::ShowPaper(int index)
if (index < 0 || index > scenes.size())
{
ui->view->setScene(tempScene);
ui->actionSave->setEnabled(false);
EnableActions(false);
}
else
{
@ -248,6 +251,76 @@ void TableWindow::ShowPaper(int index)
ui->view->fitInView(ui->view->scene()->sceneRect(), Qt::KeepAspectRatio);
}
//---------------------------------------------------------------------------------------------------------------------
void TableWindow::PrintPreview()
{
QPrinterInfo def = QPrinterInfo::defaultPrinter();
//if there is no default printer set the print preview won't show
if(def.isNull() || def.printerName().isEmpty())
{
if(QPrinterInfo::availablePrinters().isEmpty())
{
QMessageBox::critical(this, tr("Print error"),
tr("Cannot proceed because there are no available printers in your system."),
QMessageBox::Ok);
return;
}
else
{
def = QPrinterInfo::availablePrinters().first();
}
}
QPrinter printer(def, QPrinter::ScreenResolution);
printer.setResolution(static_cast<int>(VApplication::PrintDPI));
QPrintPreviewDialog preview(&printer);
connect(&preview, &QPrintPreviewDialog::paintRequested, this, &TableWindow::Print);
preview.exec();
}
//---------------------------------------------------------------------------------------------------------------------
void TableWindow::Print(QPrinter *printer)
{
if (printer == nullptr)
{
return;
}
const QVector<QImage> images = AllSheets();
VPoster posterazor(printer);
QVector<QImage> poster;
for (int i=0; i < images.size(); i++)
{
poster += posterazor.Generate(images.at(i), i+1, images.size());
}
QPainter painter;
if (not painter.begin(printer))
{ // failed to open file
qWarning("failed to open file, is it writable?");
return;
}
for (int i=0; i < poster.size(); i++)
{
painter.drawImage(QPointF(), poster.at(i));
if (i+1 < poster.size())
{
if (not printer->newPage())
{
qWarning("failed in flushing page to disk, disk full?");
return;
}
}
}
painter.end();
}
//---------------------------------------------------------------------------------------------------------------------
void TableWindow::Layout()
{
@ -281,8 +354,8 @@ void TableWindow::Layout()
{
case LayoutErrors::NoError:
ClearLayout();
papers = lGenerator.GetPapersItems();
details = lGenerator.GetAllDetails();
papers = lGenerator.GetPapersItems();// Blank sheets
details = lGenerator.GetAllDetails();// All details
CreateShadows();
CreateScenes();
PrepareSceneList();
@ -462,6 +535,49 @@ void TableWindow::ObjFile(const QString &name, int i) const
}
}
//---------------------------------------------------------------------------------------------------------------------
QVector<QImage> TableWindow::AllSheets()
{
QVector<QImage> images;
for (int i=0; i < scenes.size(); ++i)
{
QGraphicsRectItem *paper = qgraphicsitem_cast<QGraphicsRectItem *>(papers.at(i));
if (paper)
{
// Hide shadow and paper border
QBrush *brush = new QBrush();
brush->setColor( QColor( Qt::white ) );
scenes[i]->setBackgroundBrush( *brush );
shadows[i]->setVisible(false);
paper->setPen(QPen(Qt::white, 0.1, Qt::NoPen));// border
// Render png
const QRectF r = paper->rect();
// Create the image with the exact size of the shrunk scene
QImage image(QSize(static_cast<qint32>(r.width()), static_cast<qint32>(r.height())), QImage::Format_RGB32);
image.fill(Qt::white);
QPainter painter(&image);
painter.setFont( QFont( "Arial", 8, QFont::Normal ) );
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setPen(QPen(Qt::black, qApp->toPixel(qApp->widthMainLine()), Qt::SolidLine, Qt::RoundCap,
Qt::RoundJoin));
painter.setBrush ( QBrush ( Qt::NoBrush ) );
scenes.at(i)->render(&painter);
painter.end();
images.append(image);
// Resore
paper->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthMainLine())));
brush->setColor( QColor( Qt::gray ) );
brush->setStyle( Qt::SolidPattern );
scenes[i]->setBackgroundBrush( *brush );
shadows[i]->setVisible(true);
delete brush;
}
}
return images;
}
//---------------------------------------------------------------------------------------------------------------------
void TableWindow::ClearLayout()
{
@ -470,6 +586,7 @@ void TableWindow::ClearLayout()
shadows.clear();
papers.clear();
ui->listWidget->clear();
EnableActions(false);
}
//---------------------------------------------------------------------------------------------------------------------
@ -529,7 +646,7 @@ void TableWindow::PrepareSceneList()
if (scenes.isEmpty() == false)
{
ui->listWidget->setCurrentRow(0);
ui->actionSave->setEnabled(true);
EnableActions(true);
}
}
@ -587,3 +704,12 @@ QMap<QString, QString> TableWindow::InitFormates() const
}
return extByMessage;
}
//---------------------------------------------------------------------------------------------------------------------
void TableWindow::EnableActions(bool enable)
{
ui->actionSave->setEnabled(enable);
ui->actionSave_to_p_df->setEnabled(enable);
ui->actionPrint_pre_view->setEnabled(enable);
ui->action_Print->setEnabled(enable);
}

31
src/app/tablewindow.h
View file

@ -54,12 +54,13 @@ public:
~TableWindow();
public slots:
void ModelChosen(QVector<VLayoutDetail> listDetails, const QString &fileName,
const QString &description);
void Layout();
void StopTable();
void SaveLayout();
void ShowPaper(int index);
void ModelChosen(QVector<VLayoutDetail> listDetails, const QString &fileName, const QString &description);
void Layout();
void StopTable();
void SaveLayout();
void ShowPaper(int index);
void PrintPreview();
void Print (QPrinter *printer);
signals:
/** @brief closed emit if window is closing. */
@ -91,13 +92,15 @@ private:
QGraphicsScene* tempScene;
void SvgFile(const QString &name, int i)const;
void PngFile(const QString &name, int i)const;
void PdfFile(const QString &name, int i)const;
void EpsFile(const QString &name, int i)const;
void PsFile(const QString &name, int i)const;
void PdfToPs(const QStringList &params)const;
void ObjFile(const QString &name, int i)const;
void SvgFile(const QString &name, int i)const;
void PngFile(const QString &name, int i)const;
void PdfFile(const QString &name, int i)const;
void EpsFile(const QString &name, int i)const;
void PsFile(const QString &name, int i)const;
void PdfToPs(const QStringList &params)const;
void ObjFile(const QString &name, int i)const;
QVector<QImage> AllSheets();
void ClearLayout();
void CreateShadows();
@ -105,6 +108,8 @@ private:
void PrepareSceneList();
QIcon ScenePreview(int i) const;
QMap<QString, QString> InitFormates() const;
void EnableActions(bool enable);
};
#endif // TABLEWINDOW_H

25
src/app/tablewindow.ui
View file

@ -39,7 +39,7 @@
</widget>
<widget class="QToolBar" name="toolBar">
<property name="windowTitle">
<string>toolBar</string>
<string>Main toolbar</string>
</property>
<property name="iconSize">
<size>
@ -169,6 +169,20 @@
<addaction name="menuEdit"/>
<addaction name="menuLayout"/>
</widget>
<widget class="QToolBar" name="toolBar_2">
<property name="windowTitle">
<string>Toolbar print</string>
</property>
<attribute name="toolBarArea">
<enum>TopToolBarArea</enum>
</attribute>
<attribute name="toolBarBreak">
<bool>false</bool>
</attribute>
<addaction name="actionSave_to_p_df"/>
<addaction name="actionPrint_pre_view"/>
<addaction name="action_Print"/>
</widget>
<action name="actionSave">
<property name="enabled">
<bool>false</bool>
@ -234,6 +248,9 @@
</property>
</action>
<action name="actionPrint_pre_view">
<property name="enabled">
<bool>false</bool>
</property>
<property name="icon">
<iconset theme="document-print-preview"/>
</property>
@ -242,6 +259,9 @@
</property>
</action>
<action name="action_Print">
<property name="enabled">
<bool>false</bool>
</property>
<property name="icon">
<iconset theme="document-print"/>
</property>
@ -250,6 +270,9 @@
</property>
</action>
<action name="actionSave_to_p_df">
<property name="enabled">
<bool>false</bool>
</property>
<property name="text">
<string>Print to p&amp;df</string>
</property>