From 93dca5272ec13a70f2421534e0c2937affa79c0d Mon Sep 17 00:00:00 2001
From: Ken Moore <ken@ixsystems.com>
Date: Wed, 15 Mar 2017 10:34:32 -0400
Subject: A couple more updates for lumina-pdf, slower loading with 2x DPI
 right now, still working on finding the right balance of DPI/speed.

---
 src-qt5/desktop-utils/lumina-pdf/mainUI.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'src-qt5/desktop-utils/lumina-pdf/mainUI.cpp')

diff --git a/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp b/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp
index 9e396a40..fefa6158 100644
--- a/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp
+++ b/src-qt5/desktop-utils/lumina-pdf/mainUI.cpp
@@ -14,6 +14,7 @@
 #include <QInputDialog>
 #include <QDebug>
 #include <QApplication>
+#include <QScreen>
 
 #include <LuminaXDG.h>
 
@@ -25,12 +26,12 @@ MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI()){
 
   lastdir = QDir::homePath();
   Printer = new QPrinter();
-  WIDGET = new QPrintPreviewWidget(Printer, this);
+  WIDGET = new QPrintPreviewWidget(Printer,this);
   this->setCentralWidget(WIDGET);
   connect(WIDGET, SIGNAL(paintRequested(QPrinter*)), this, SLOT(paintOnWidget(QPrinter*)) );
   DOC = 0;
 
-  PrintDLG = new QPrintDialog(Printer,this);
+  PrintDLG = new QPrintDialog(this);
   connect(PrintDLG, SIGNAL(accepted(QPrinter*)), this, SLOT(paintOnWidget(QPrinter*)) ); //Can change to PaintToPrinter() later
 
   //Create the other interface widgets
@@ -110,6 +111,7 @@ void MainUI::loadFile(QString path){
   if(PAGE!=0){
     lastdir = path.section("/",0,-2); //save this for later
     Printer->setPageSize( QPageSize(PAGE->pageSize(), QPageSize::Point) ); 
+    Printer->setPageMargins(QMarginsF(0,0,0,0), QPageLayout::Point);
     switch(PAGE->orientation()){
 	case Poppler::Page::Landscape:
 	  Printer->setOrientation(QPrinter::Landscape); break;
@@ -137,12 +139,15 @@ void MainUI::paintOnWidget(QPrinter *PRINTER){
   //Now start painting all the pages onto the widget
   QRectF size = PRINTER->pageRect(QPrinter::DevicePixel);
   QSize DPI(PRINTER->resolution(),PRINTER->resolution());
+  //QScreen *scrn = QApplication::screens().first();
+  //QSize SDPI(scrn->logicalDotsPerInchX(), scrn->logicalDotsPerInchY());
   QPainter painter(PRINTER);
   //qDebug() << "Set progress bar range:" << firstpage+1 << pages;
   progress->setRange(firstpage+1,pages+1);
   //progress->setValue(firstpage);
   progAct->setVisible(true);
-  
+    qDebug() << "Printer DPI:" << DPI;
+    //qDebug() << "Screen DPI:" << SDPI;
     for(int i=firstpage; i<pages; i++){
       //qDebug() << "Loading Page:" << i;
       progress->setValue(i+1);
@@ -153,7 +158,7 @@ void MainUI::paintOnWidget(QPrinter *PRINTER){
       if(i != firstpage){ PRINTER->newPage(); } //this is the start of the next page (not needed for first)
       Poppler::Page *PAGE = DOC->page(i);
       if(PAGE!=0){
-        painter.drawImage(0,0,PAGE->renderToImage(DPI.width(), DPI.height()).scaled(size.width(), size.height(), Qt::KeepAspectRatio, Qt::SmoothTransformation) );
+        painter.drawImage(0,0,PAGE->renderToImage(2*DPI.width(), 2*DPI.height()).scaled(size.width(), size.height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation) );
       }else{
         painter.drawImage(0,0,QImage()); 
       }
-- 
cgit