Changes the UI interface so that only the current page is rendered on screen at a time. This has significant memory benefits for large PDF files. This also implements a least-recently used cache of tunable size, which improves responsiveness if you're hopping between two specific pages.

1 files changed, 13 insertions, 10 deletions

diff --git a/src-qt5/desktop-utils/lumina-pdf/main.cpp b/src-qt5/desktop-utils/lumina-pdf/main.cpp
index f0430fc8..5e2ed0a9 100644
--- a/src-qt5/desktop-utils/lumina-pdf/main.cpp
+++ b/src-qt5/desktop-utils/lumina-pdf/main.cpp
@@ -1,28 +1,31 @@
-#include <QTranslator>
 #include <QApplication>
 #include <QDebug>
 #include <QFile>
+#include <QTranslator>
 
 #include "mainUI.h"
 #include <LUtils.h>
 //#include <LuminaThemes.h>
 
-int main(int argc, char ** argv)
-{
-  //LTHEME::LoadCustomEnvSettings();
-  unsetenv("QT_AUTO_SCREEN_SCALE_FACTOR"); //need pixel-perfect geometries
+int main(int argc, char **argv) {
+  // LTHEME::LoadCustomEnvSettings();
+  unsetenv("QT_AUTO_SCREEN_SCALE_FACTOR"); // need pixel-perfect geometries
   QApplication a(argc, argv);
   LUtils::LoadTranslation(&a, "l-pdf");
 
-  //Read the input variables
+  // Read the input variables
   QString path = "";
-  for(int i=1; i<argc; i++){
-    path = LUtils::PathToAbsolute( argv[i] );
-    if(QFile::exists(path)){ break; } //already found a valid file
+  for (int i = 1; i < argc; i++) {
+    path = LUtils::PathToAbsolute(argv[i]);
+    if (QFile::exists(path)) {
+      break;
+    } // already found a valid file
   }
 
   MainUI w;
-  if(!path.isEmpty()){  w.loadFile(path); }
+  if (!path.isEmpty()) {
+    w.loadFile(path);
+  }
   w.show();
   int retCode = a.exec();
   return retCode;