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Scale page rect according to printer's dpi. Issue #494.

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--HG--
branch : develop
This commit is contained in:
Roman Telezhynskyi 2016-06-02 21:28:44 +03:00
parent c36f19aba9
commit 805e04ace6
2 changed files with 23 additions and 7 deletions
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28
src/app/valentina/mainwindowsnogui.cpp
View file

@ -294,7 +294,7 @@ void MainWindowsNoGUI::PrintPages(QPrinter *printer)
return;
}
const QVector<QImage> images = AllSheets();
const QVector<QImage> images = AllSheets(printer);
QVector<QImage> poster;
if (isTiled)
@ -738,7 +738,7 @@ void MainWindowsNoGUI::DxfFile(const QString &name, int i) const
#endif
//---------------------------------------------------------------------------------------------------------------------
QVector<QImage> MainWindowsNoGUI::AllSheets() const
QVector<QImage> MainWindowsNoGUI::AllSheets(const QPrinter *printer) const
{
QVector<QImage> images;
for (int i=0; i < scenes.size(); ++i)
@ -754,9 +754,25 @@ QVector<QImage> MainWindowsNoGUI::AllSheets() const
paper->setPen(QPen(Qt::white, 0.1, Qt::NoPen));// border
// Render png
const QRectF r = paper->rect();
const QRectF source = paper->rect();
QRectF target = source;
if (printer)
{
// Here we try understand difference between printer's dpi and our.
// Get printer rect acording to our dpi.
const QRectF printerPageRect(0, 0, ToPixel(printer->pageSizeMM().width(), Unit::Mm),
ToPixel(printer->pageSizeMM().height(), Unit::Mm));
const double xscale = printer->pageRect().width() / printerPageRect.width();
const double yscale = printer->pageRect().height() / printerPageRect.height();
const double scale = qMin(xscale, yscale);
target.setWidth(target.width() * scale);
target.setHeight(target.height() * scale);
}
// 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);
QImage image(QSize(static_cast<qint32>(target.width()), static_cast<qint32>(target.height())),
QImage::Format_RGB32);
image.fill(Qt::white);
QPainter painter(&image);
painter.setFont( QFont( "Arial", 8, QFont::Normal ) );
@ -764,11 +780,11 @@ QVector<QImage> MainWindowsNoGUI::AllSheets() const
painter.setPen(QPen(Qt::black, qApp->toPixel(WidthMainLine(*pattern->GetPatternUnit())), Qt::SolidLine,
Qt::RoundCap, Qt::RoundJoin));
painter.setBrush ( QBrush ( Qt::NoBrush ) );
scenes.at(i)->render(&painter, r, r, Qt::IgnoreAspectRatio);
scenes.at(i)->render(&painter, target, source, Qt::IgnoreAspectRatio);
painter.end();
images.append(image);
// Resore
// Restore
paper->setPen(QPen(Qt::black, qApp->toPixel(WidthMainLine(*pattern->GetPatternUnit()))));
brush->setColor( QColor( Qt::gray ) );
brush->setStyle( Qt::SolidPattern );

2
src/app/valentina/mainwindowsnogui.h
View file

@ -117,7 +117,7 @@ private:
void ObjFile(const QString &name, int i)const;
void DxfFile(const QString &name, int i)const;
QVector<QImage> AllSheets() const;
QVector<QImage> AllSheets(const QPrinter *printer = nullptr) const;
void SaveLayoutAs();
void PrintPreview();