Added the basis for gui and networking client-side.

.gitignore

 *.swp
 build
-*.py*
+*.pyc

.ycm_extra_conf.py

+# Generated by YCM Generator at 2015-10-02 00:15:03.628219
+
+# This file is NOT licensed under the GPLv3, which is the license for the rest
+# of YouCompleteMe.
+#
+# Here's the license text for this file:
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+# For more information, please refer to <http://unlicense.org/>
+
+import os
+import ycm_core
+
+flags = [
+    '-x',
+    'c++',
+    '-DMAGICKCORE_HDRI_ENABLE=0',
+    '-DMAGICKCORE_QUANTUM_DEPTH=16',
+    '-I/home/andkem/Dokument/Programmering/mpi-mandelbrot',
+    '-I/home/andkem/Program/imagemagick/include/ImageMagick-6',
+    '-I/home/andkem/Program/openmpi/include',
+    '-I/home/kempe/lib/include/ImageMagick-6',
+    '-I/tmp/tmpyfGoxK',
+    '-std=c++11',
+    '-I/home/andkem/Program/Qt/5.5/gcc_64/include/QWidgets',
+    '-I/home/andkem/Program/Qt/5.5/gcc_64/include/QGui',
+    '-I/home/andkem/Program/Qt/5.5/gcc_64/include/QNetwork',
+]
+
+
+# Set this to the absolute path to the folder (NOT the file!) containing the
+# compile_commands.json file to use that instead of 'flags'. See here for
+# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
+#
+# You can get CMake to generate this file for you by adding:
+#   set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
+# to your CMakeLists.txt file.
+#
+# Most projects will NOT need to set this to anything; you can just change the
+# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
+compilation_database_folder = ''
+
+if os.path.exists( compilation_database_folder ):
+  database = ycm_core.CompilationDatabase( compilation_database_folder )
+else:
+  database = None
+
+SOURCE_EXTENSIONS = [ '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
+
+def DirectoryOfThisScript():
+  return os.path.dirname( os.path.abspath( __file__ ) )
+
+
+def MakeRelativePathsInFlagsAbsolute( flags, working_directory ):
+  if not working_directory:
+    return list( flags )
+  new_flags = []
+  make_next_absolute = False
+  path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
+  for flag in flags:
+    new_flag = flag
+
+    if make_next_absolute:
+      make_next_absolute = False
+      if not flag.startswith( '/' ):
+        new_flag = os.path.join( working_directory, flag )
+
+    for path_flag in path_flags:
+      if flag == path_flag:
+        make_next_absolute = True
+        break
+
+      if flag.startswith( path_flag ):
+        path = flag[ len( path_flag ): ]
+        new_flag = path_flag + os.path.join( working_directory, path )
+        break
+
+    if new_flag:
+      new_flags.append( new_flag )
+  return new_flags
+
+
+def IsHeaderFile( filename ):
+  extension = os.path.splitext( filename )[ 1 ]
+  return extension in [ '.h', '.hxx', '.hpp', '.hh' ]
+
+
+def GetCompilationInfoForFile( filename ):
+  # The compilation_commands.json file generated by CMake does not have entries
+  # for header files. So we do our best by asking the db for flags for a
+  # corresponding source file, if any. If one exists, the flags for that file
+  # should be good enough.
+  if IsHeaderFile( filename ):
+    basename = os.path.splitext( filename )[ 0 ]
+    for extension in SOURCE_EXTENSIONS:
+      replacement_file = basename + extension
+      if os.path.exists( replacement_file ):
+        compilation_info = database.GetCompilationInfoForFile(
+          replacement_file )
+        if compilation_info.compiler_flags_:
+          return compilation_info
+    return None
+  return database.GetCompilationInfoForFile( filename )
+
+
+def FlagsForFile( filename, **kwargs ):
+  if database:
+    # Bear in mind that compilation_info.compiler_flags_ does NOT return a
+    # python list, but a "list-like" StringVec object
+    compilation_info = GetCompilationInfoForFile( filename )
+    if not compilation_info:
+      return None
+
+    final_flags = MakeRelativePathsInFlagsAbsolute(
+      compilation_info.compiler_flags_,
+      compilation_info.compiler_working_dir_ )
+
+  else:
+    relative_to = DirectoryOfThisScript()
+    final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
+
+  return {
+    'flags': final_flags,
+    'do_cache': True
+  }
+

CMakeLists.txt

 project(mpi-mandel)
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.3.2)
 
-set(SERVER_SRC server/main.cpp server/mandelbrot.cpp)
+# Qt-stuff
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+find_package(Qt5Widgets)
+find_package(Qt5Gui)
+find_package(Qt5Network)
 
-add_executable(mpi-mandel ${SERVER_SRC})
+# Source files
+set(SERVER_SRC server/main.cpp server/mandelbrot.cpp)
+set(CLIENT_SRC client/main.cpp client/main_window.cpp)
 
 include_directories(/home/andkem/Program/imagemagick/include/ImageMagick-6
-                    /home/kempe/lib/include/ImageMagick-6)
+                    /home/kempe/lib/include/ImageMagick-6
+                    ${Qt5Widgets_INCLUDE_DIRS}
+                    ${Qt5Gui_INCLUDE_DIRS}
+                    ${Qt5Network_INCLUD_DIRS})
+                    
+
+# Executables
+add_executable(mpi-mandel-srv ${SERVER_SRC})
+add_executable(mandel-clt ${CLIENT_SRC})
+
+
 find_library(Magick  Magick++-6.Q16 
              /home/andkem/Program/imagemagick/lib64
              /home/kempe/lib/lib)
 
-set(CMAKE_C_COMPILER mpicc)
-set(CMAKE_CXX_COMPILER mpicxx)
-
-set(CMAKE_CXX_FLAGS "-DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16 -O3 -std=c++11")
+# Set the MPI compilers
+set(CMAKE_C_COMPILER /home/andkem/Program/openmpi/bin/mpicc)
+set(CMAKE_CXX_COMPILER /home/andkem/Program/openmpi/bin/mpicxx)
+set(CMAKE_CXX_FLAGS "-DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16 -O3 -std=c++11 -fPIC")
 
-target_link_libraries(mpi-mandel mpi ${Magick})
+# Libraries
+target_link_libraries(mpi-mandel-srv mpi ${Magick})
+target_link_libraries(mandel-clt Qt5::Widgets Qt5::Gui Qt5::Network)

client/main.cpp

+#include "main_window.h"
+#include <QApplication>
+
+int main(int argc, char** argv)
+{
+    QApplication app(argc, argv);
+
+    main_window wnd(nullptr);
+    wnd.show();
+
+    return app.exec();
+}

client/main_window.cpp

+#include "main_window.h"
+#include <QPixmap>
+#include <QPushButton>
+
+main_window::main_window(QWidget* parent) :
+    QWidget(parent)
+{
+    mandel_image = new QImage("output.png");//(1064, 800, QImage::Format_RGB30);
+
+    scene = new QGraphicsScene(this);
+    scene->setSceneRect(0, 0, 1064, 800);
+
+    view = new QGraphicsView(scene);
+
+    item = new QGraphicsPixmapItem();
+    item->setPixmap(QPixmap::fromImage(*mandel_image));
+
+    scene->addItem(item);
+    item->setPos(0, 0);
+
+    QPushButton* img_btn = new QPushButton("Show image", this);
+    connect(img_btn, &QPushButton::clicked, this, &main_window::show_image);
+
+    server = new QTcpServer(this);
+    connect(server, &QTcpServer::newConnection, this, &main_window::handle_new_connection);
+    server->listen(QHostAddress::Any, 8910);
+}
+
+main_window::~main_window()
+{
+    delete mandel_image;
+    delete item;
+}
+
+void main_window::show_image()
+{
+    view->show();
+}
+
+void main_window::handle_new_connection()
+{
+    socket = server->nextPendingConnection();
+
+    connect(socket, &QTcpSocket::disconnected, this, &main_window::handle_socket_close);
+
+    // Close the server since we only want one connection at a time.
+    server->close();
+}
+
+void main_window::handle_socket_close()
+{
+    socket->deleteLater();
+    // If we lose the cluster process we start listening again.
+    server->listen();
+}

client/main_window.h

+#ifndef MAIN_WINDOW_H
+#define MAIN_WINDOW_H
+#include <QWidget>
+#include <QImage>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+#include <QGraphicsPixmapItem>
+#include <QTcpServer>
+#include <QTcpSocket>
+
+class main_window : public QWidget
+{
+    Q_OBJECT
+    public:
+        main_window(QWidget* parent);
+        ~main_window();
+
+    private:
+        QImage* mandel_image;
+
+        QGraphicsScene* scene;
+        QGraphicsView* view;
+        QGraphicsPixmapItem* item;
+
+        QTcpServer* server;
+        QTcpSocket* socket;
+
+    public slots:
+        void show_image();
+        void handle_new_connection();
+        void handle_socket_close();
+
+};
+
+#endif