From a4b88ab1ff8aebde9bf74ab0a44ef31eb53d9076 Mon Sep 17 00:00:00 2001
From: Rtch90 <ritchie.cunningham@protonmail.com>
Date: Fri, 19 Dec 2014 12:53:11 +0000
Subject: [PATCH] [Add] rotate, export with nup, 2 side offset and page remove.

---
 .clang_complete          |  2 ++
 src/pdf_jam.cpp          | 50 +++++++++++++++++++++++++++++++++-------
 src/pdf_jam.h            |  7 ++++--
 src/pdf_table_widget.cpp |  2 +-
 4 files changed, 50 insertions(+), 11 deletions(-)

diff --git a/.clang_complete b/.clang_complete
index 9093b49..209741d 100644
--- a/.clang_complete
+++ b/.clang_complete
@@ -9,4 +9,6 @@
 -I /usr/include/gtk-3.0/
 -I /usr/include/qt4/
 -I /usr/include/x86_64-linux-gnu/qt5/
+-I /usr/include/x86_64-linux-gnu/qt5/QtWidgets/
+-I /usr/local/Qt-5.3.2/lib/
 -I lib/lua/
diff --git a/src/pdf_jam.cpp b/src/pdf_jam.cpp
index 1db2bfd..61b49ae 100644
--- a/src/pdf_jam.cpp
+++ b/src/pdf_jam.cpp
@@ -29,7 +29,7 @@ bool PDFJam::rotatePage(int fileIndex, int rotatedPageIndex, int degree) {
     return false;
   }
 
-  QString rtTmp = "pdf%1 /tmp/hpdf/%2/%3.pdf -- outfile /tmp/hpdf/%4/%5.pdf ";
+  QString rtTmp = "pdf%1 /tmp/hpdf/%2/%3.pdf --outfile /tmp/hpdf/%4/%5.pdf ";
   QString cmd = rtTmp.arg(QString::number(degree)).arg(QString::number(fileIndex))
                 .arg(QString::number(rotatedPageIndex)).arg(QString::number(fileIndex))
                 .arg(QString::number(rotatedPageIndex));
@@ -54,8 +54,21 @@ bool PDFJam::removePage(int fileIndex, int numPages, int deletedPageIndex) {
   pushCommand(cmd);
 }
 
+void PDFJam::movePage(int fromFileIndex, int fromPageIndex, int toFileIndex, int toPageIndex) {
+  
+}
+
+void PDFJam::savePageAsImage(Poppler::Page pp, QString dst, double dpi = 72) {
+
+}
+
+
 /* Export file number 'fileIndex' to destination. */
-void PDFJam::exportFile(int fileIndex, int numPages, QString dst) {
+/* Supported n-up, orientation, offset options. */
+void PDFJam::exportFile(int fileIndex, int numPages, QString dst,
+      QSize nup = QSize(1,1), bool isLandscape = false, bool hasTwoSideOffset = false,
+      int leftOffset = 0, int rightOffset = 0) {
+
   QString cmd = "pdfjam ";
   QString tmp = "/tmp/hpdf/%1/%2.pdf '-' ";
 
@@ -63,22 +76,43 @@ void PDFJam::exportFile(int fileIndex, int numPages, QString dst) {
     cmd += tmp.arg(QString::number(fileIndex)).arg(QString::number(i));
   }
 
-  QString outTmp = "--outfile %1";
+  QString orientation = isLandscape?" --landscape ": " --no-landscape ";
+  cmd = orientation;
+  if((nup.width() == 1) || (nup.height() != 1)) {
+    QString nupTmp = " --nup '%1x%1' --frame true ";
+    cmd += nupTmp.arg(QString::number(nup.width())).arg(QString::number(nup.height()));
+  }
+
+  QString outTmp = " --outfile %1 ";
   cmd += outTmp.arg(dst);
   pushCommand(cmd);
+  /* Offset comes next. */
 }
 
-void PDFJam::loadFile(QString fileName, int fileIndex, int numPages) {
+void PDFJam::loadFile(QString fileName, int fileIndex, Poppler::Document* pd) {
+  int numPages = pd->numPages();
   QString path = "/tmp/hpdf/%1/";
   path = path.arg(QString::number(fileIndex));
   makeFolder(path);
 
-  QString tmp = "pdfjam %1 %2 -- outfile %3%4.pdf";
+  QString tmp = "pdfjam %1 %2 --outfile %3%4.pdf %5";
   QString cmd = "";
   for(int i = 0; i <= numPages; i++) {
-    cmd += tmp.arg(fileName).arg(QString::number(i+1)).arg(path).arg(QString::number(i)) + ";";
+    QString orientation = " --no-landscape ";
+    QSizeF pageSize = pd->page(i)->pageSizeF();
+    if(pageSize.width() > pageSize.height()) {
+      orientation = " --landscape ";
+    }
+    cmd += tmp.arg(fileName).arg(QString::number(i+1)).arg(path)
+                   .arg(QString::number(i)).arg(orientation) + " ; ";
   }
   pushCommand(cmd);
+
+  /* Test the backend functions. */
+  /*removePage(0, numPages, 5);
+  rotatePage(0, 5, 270);
+  exportFile(0, numPages-1, "/home/allanis/conco.pdf", QSize(2, 2), true, true, 1, 0);*/
+  /* End test. */
 }
 
 QString PDFJam::nextCommand(void) {
@@ -98,10 +132,10 @@ void PDFJam::run(void) {
   while(!isQueueEmpty()) {
     QString cmd = nextCommand();
     int value = system(cmd.toStdString().c_str());
-    /*if(value != 0)
+    if(value != 0)
       qDebug() << "ERROR: Failed to execute " << cmd;
     else
-      qDebug() << "SUCCESS: executed " << cmd;*/
+      qDebug() << "SUCCESS: executed " << cmd;
   }
 }
 
diff --git a/src/pdf_jam.h b/src/pdf_jam.h
index 5334985..1f1ba3b 100644
--- a/src/pdf_jam.h
+++ b/src/pdf_jam.h
@@ -13,8 +13,11 @@ public:
   PDFJam(void);
 
   void pushCommand(QString);
-  void loadFile(QString fileName, int, int);
-  void exportFile(int, int, QString);
+  void loadFile(QString fileName, int, Poppler::Document*);
+  void exportFile(int, int, QString, QSize, bool, bool, int, int);
+  void savePageAsImage(Poppler::Page pp, QString dst, double);
+  void movePage(int fromFileIndex, int fromPageIndex, int toFileIndex, int toPageIndex);
+
   bool removePage(int, int, int);
   bool rotatePage(int, int, int);
   void makeFolder(QString);
diff --git a/src/pdf_table_widget.cpp b/src/pdf_table_widget.cpp
index a0f820b..3f3d758 100644
--- a/src/pdf_table_widget.cpp
+++ b/src/pdf_table_widget.cpp
@@ -41,7 +41,7 @@ void PDFTableWidget::loadFile(QString fileName) {
   PDFFileWidget* fileWidget = new PDFFileWidget();
   fileWidget->setAncestor(this);
   fileWidget->setDocument(doc, fileName);
-  pdfJam.loadFile(fileName, files.size()-1, doc->numPages());
+  pdfJam.loadFile(fileName, files.size()-1, doc);
 
   fileWidgets.append(fileWidget);