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Print: add a setup() method to PrintLayout

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The setup() method will be called each time to obtain the
current printer settings. Also it calculates required scalling
based on screen agains printer DPI.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
This commit is contained in:
Lubomir I. Ivanov 2013-07-10 16:04:00 +03:00
parent 41bad7695e
commit 20804b16d3
3 changed files with 25 additions and 1 deletions
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17
qt-ui/printlayout.cpp
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@ -1,4 +1,6 @@
#include <QPainter>
#include <QDesktopWidget>
#include <QApplication>
#include "mainwindow.h"
#include "printlayout.h"
@ -21,6 +23,8 @@ PrintLayout::PrintLayout(PrintDialog *dialogPtr, QPrinter *printerPtr, struct op
void PrintLayout::print()
{
// we call setup each time to check if the printer properties have changed
setup();
switch (printOptions->type) {
case options::PRETTY:
printSixDives();
@ -34,6 +38,19 @@ void PrintLayout::print()
}
}
void PrintLayout::setup()
{
QDesktopWidget *desktop = QApplication::desktop();
screenDpiX = desktop->physicalDpiX();
screenDpiY = desktop->physicalDpiX();
printerDpi = printer->resolution();
pageRect = printer->pageRect();
scaleX = (qreal)printerDpi/(qreal)screenDpiX;
scaleY = (qreal)printerDpi/(qreal)screenDpiY;
}
void PrintLayout::printSixDives()
{
// nop