Merge branch 'pr1351'

INSTALL.md

@@ -15,7 +15,7 @@
 | OpenCV       | >= 2.4.9    | core, highgui, imgproc                            |
 | OpenAL Soft  | >= 1.16.0   |                                                   |
 | filter_audio | most recent |                                                   |
-
+| qrencode     | >= 3.0.3    |                                                   |
 
 <a name="linux" />
 ##Linux
@@ -59,22 +59,22 @@ git clone https://github.com/tux3/qTox.git qTox
 
 The following steps assumes that you cloned the repository at "/home/user/qTox". If you decided to choose another location, replace corresponding parts.
 
-###GCC, Qt, OpenCV and OpanAL Soft
+###GCC, Qt, OpenCV, OpanAL Soft and QRCode
 
 Arch Linux:
 ```bash
-sudo pacman -S --needed base-devel qt5 opencv openal libxss
+sudo pacman -S --needed base-devel qt5 opencv openal libxss qrencode
 ```
 
 Debian / Ubuntu:
 ```bash
-sudo apt-get install build-essential qt5-qmake qt5-default qttools5-dev-tools libqt5opengl5-dev libqt5svg5-dev libopenal-dev libopencv-dev libxss-dev
+sudo apt-get install build-essential qt5-qmake qt5-default qttools5-dev-tools libqt5opengl5-dev libqt5svg5-dev libopenal-dev libopencv-dev libxss-dev qrencode
 ```
 
 Fedora:
 ```bash
 yum groupinstall "Development Tools"
-yum install qt-devel qt-doc qt-creator qt5-qtsvg opencv-devel openal-soft-devel libXScrnSaver-devel
+yum install qt-devel qt-doc qt-creator qt5-qtsvg opencv-devel openal-soft-devel libXScrnSaver-devel qrencode
 ```
 
 Slackware:
@@ -87,6 +87,8 @@ http://slackbuilds.org/repository/14.1/libraries/qt5/
 
 http://slackbuilds.org/repository/14.1/libraries/opencv/
 
+http://slackbuilds.org/slackbuilds/14.1/graphics/qrencode/
+
 
 ###Tox Core
 

qtox.pro

@@ -134,7 +134,7 @@ win32 {
 	LIBS += -L$$PWD/libs/lib -ltoxav -ltoxcore -ltoxencryptsave -ltoxdns -lsodium -lvpx -lpthread
     LIBS += -L$$PWD/libs/lib -lopencv_core249 -lopencv_highgui249 -lopencv_imgproc249 -lOpenAL32 -lopus
     LIBS += -lopengl32 -lole32 -loleaut32 -luuid -lvfw32 -lws2_32 -liphlpapi -lz
-
+    LIBS += -lqrencode
     contains(DEFINES, QTOX_FILTER_AUDIO) {
         contains(STATICPKG, YES) {
             LIBS += -Wl,-Bstatic -lfilteraudio
@@ -149,6 +149,7 @@ win32 {
         QMAKE_INFO_PLIST = osx/info.plist
         QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.7
         LIBS += -L$$PWD/libs/lib/ -ltoxcore -ltoxav -ltoxencryptsave -ltoxdns -lsodium -lvpx -lopus -framework OpenAL -lopencv_core -lopencv_highgui -mmacosx-version-min=10.7
+        LIBS += -lqrencode
         contains(DEFINES, QTOX_PLATFORM_EXT) { LIBS += -framework IOKit -framework CoreFoundation }
         contains(DEFINES, QTOX_FILTER_AUDIO) { LIBS += -lfilteraudio }
     } else {
@@ -165,8 +166,10 @@ win32 {
                 LIBS += -L$$PWD/libs/lib/ -lopus -lvpx -lopenal -Wl,-Bstatic -ltoxcore -ltoxav -ltoxencryptsave -ltoxdns -lsodium -lopencv_highgui -lopencv_imgproc -lopencv_core -lz -Wl,-Bdynamic
                 LIBS += -Wl,-Bstatic -ljpeg -ltiff -lpng -ljasper -lIlmImf -lIlmThread -lIex -ldc1394 -lraw1394 -lHalf -lz -llzma -ljbig
                 LIBS += -Wl,-Bdynamic -lv4l1 -lv4l2 -lavformat -lavcodec -lavutil -lswscale -lusb-1.0
+                LIBS += -lqrencode
             } else {
                 LIBS += -L$$PWD/libs/lib/ -ltoxcore -ltoxav -ltoxencryptsave -ltoxdns -lvpx -lsodium -lopenal -lopencv_core -lopencv_highgui -lopencv_imgproc
+                LIBS += -lqrencode
             }
 
             contains(DEFINES, QTOX_PLATFORM_EXT) {
@@ -424,7 +427,8 @@ SOURCES += \
     src/video/netvideosource.cpp \
     src/video/videoframe.cpp \
     src/widget/gui.cpp \
-    src/toxme.cpp
+    src/toxme.cpp \
+    src/misc/qrwidget.cpp
 
 HEADERS += \
     src/audio.h \
@@ -445,4 +449,5 @@ HEADERS += \
     src/video/videoframe.h \
     src/video/videosource.h \
     src/widget/gui.h \
-    src/toxme.h
+    src/toxme.h \
+    src/misc/qrwidget.h

simple_make.sh

@@ -2,12 +2,12 @@
 
 if which apt-get; then
     sudo apt-get install build-essential qt5-qmake qt5-default libopenal-dev libopencv-dev \
-                         libtool autotools-dev automake checkinstall check libopus-dev libvpx-dev qttools5-dev-tools qtchooser libxss-dev libqt5svg5*
+                         libtool autotools-dev automake checkinstall check libopus-dev libvpx-dev qttools5-dev-tools qtchooser libxss-dev libqt5svg5* qrencode
 elif which pacman; then
-    sudo pacman -S --needed base-devel qt5 opencv openal opus libvpx libxss qt5-svg
+    sudo pacman -S --needed base-devel qt5 opencv openal opus libvpx libxss qt5-svg qrencode
 elif which yum; then
     sudo yum groupinstall "Development Tools"
-    sudo yum install qt-devel qt-doc qt-creator opencv-devel openal-soft-devel libtool autoconf automake check check-devel libXScrnSaver-devel qt5-qtsvg
+    sudo yum install qt-devel qt-doc qt-creator opencv-devel openal-soft-devel libtool autoconf automake check check-devel libXScrnSaver-devel qt5-qtsvg qrencode
 else
     echo "Unknown package manager, attempting to compile anyways"
 fi

src/misc/qrwidget.cpp

@@ -0,0 +1,103 @@
+#include "qrwidget.h"
+#include <QPainter>
+#include <QDebug>
+#include <QBuffer>
+#include <QImage>
+#include "qrencode.h"
+
+QRWidget::QRWidget(QWidget *parent) : QWidget(parent), data("0")
+//Note: The encoding fails with empty string so I just default to something else.
+//Use the setQRData() call to change this.
+{
+    //size of the qimage might be problematic in the future, but it works for me
+    size.setWidth(480);
+    size.setHeight(480);
+    image = new QImage(size, QImage::Format_RGB32);
+}
+
+void QRWidget::setQRData(QString data)
+{
+    this->data = "tox:" + data;
+    paintImage();
+}
+
+QImage* QRWidget::getImage()
+{
+    return image;
+}
+
+/**
+ * @brief QRWidget::saveImage
+ * @param path Full path to the file with extension.
+ * @return indicate if saving was successful.
+ */
+bool QRWidget::saveImage(QString path)
+{
+    return image->save(path, 0, 75); //0 - image format same as file extension, 75-quality, png file is ~6.3kb
+}
+
+QString QRWidget::getImageAsText()
+{
+    paintImage();
+ 	QByteArray ba;
+ 	QBuffer buffer(&ba);
+ 	buffer.open(QIODevice::WriteOnly);
+    image->save(&buffer, "PNG"); // writes the image in PNG format inside the buffer
+    
+    QString iconBase64 = QString::fromLatin1(ba.toBase64().data());
+    QString base64Image  = "<img width=\"300\" heigth=\"300\" src=\"data:image/png;base64," + iconBase64 +"\" />";
+    
+ 	return QString(base64Image);
+}
+
+//http://stackoverflow.com/questions/21400254/how-to-draw-a-qr-code-with-qt-in-native-c-c
+void QRWidget::paintImage()
+{
+    QPainter painter(image);
+    //NOTE: I have hardcoded some parameters here that would make more sense as variables.
+    // ECLEVEL_M is much faster recognizable by barcodescanner any any other type
+    QRcode *qr = QRcode_encodeString(data.toStdString().c_str(), 1, QR_ECLEVEL_M, QR_MODE_8, 0);
+    
+    if(0 != qr)
+    {
+        QColor fg("black");
+        QColor bg("white");
+        painter.setBrush(bg);
+        painter.setPen(Qt::NoPen);
+        painter.drawRect(0, 0, size.width(), size.height());
+        painter.setBrush(fg);
+        const int s = qr->width > 0 ? qr->width : 1;
+        const double w = width();
+        const double h = height();
+        const double aspect = w / h;
+        const double scale = ((aspect > 1.0) ? h : w) / s;
+        
+        for(int y = 0; y < s; y++)
+        {
+            const int yy = y * s;
+            for(int x = 0; x < s; x++)
+            {
+                const int xx = yy + x;
+                const unsigned char b = qr->data[xx];
+                if(b & 0x01)
+                {
+                    const double rx1 = x * scale,
+                                 ry1 = y * scale;
+                    QRectF r(rx1, ry1, scale, scale);
+                    painter.drawRects(&r, 1);
+                }
+            }
+        }
+        QRcode_free(qr);
+        painter.save();
+    }
+    else
+    {
+        QColor error("red");
+        painter.setBrush(error);
+        painter.drawRect(0, 0, width(), height());
+        qDebug() << "QR FAIL: " << strerror(errno);
+    }
+    
+    qr = 0;
+}

src/misc/qrwidget.h

@@ -0,0 +1,26 @@
+#ifndef QRWIDGET_H
+#define QRWIDGET_H
+
+// https://stackoverflow.com/questions/21400254/how-to-draw-a-qr-code-with-qt-in-native-c-c
+
+#include <QWidget>
+
+class QRWidget : public QWidget
+{
+    Q_OBJECT
+    
+public:
+    explicit QRWidget(QWidget *parent = 0);
+    void setQRData(QString data);
+    QString getImageAsText();
+    QImage* getImage();
+    bool saveImage(QString path);    
+  
+private:
+    QString data;
+    void paintImage();
+    QImage *image;
+    QSize size;
+};
+
+#endif // QRWIDGET_H

src/widget/form/profileform.cpp

@@ -36,7 +36,6 @@
 #include <QFileDialog>
 #include <QBuffer>
 
-
 void ProfileForm::refreshProfiles()
 {
     bodyUI->profiles->clear();
@@ -77,7 +76,9 @@ ProfileForm::ProfileForm(QWidget *parent) :
     toxId->setFrame(false);
     toxId->setFont(Style::getFont(Style::Small));
         
-    bodyUI->toxGroup->layout()->addWidget(toxId);
+    QVBoxLayout *toxIdGroup = qobject_cast<QVBoxLayout*>(bodyUI->toxGroup->layout());
+    toxIdGroup->replaceWidget(bodyUI->toxId, toxId);
+    bodyUI->toxId->hide();
     
     profilePicture = new MaskablePixmapWidget(this, QSize(64, 64), ":/img/avatar_mask.png");
     profilePicture->setPixmap(QPixmap(":/img/contact_dark.png"));
@@ -169,6 +170,11 @@ void ProfileForm::setToxId(const QString& id)
 {
     toxId->setText(id);
     toxId->setCursorPosition(0);
+    
+    qr = new QRWidget();    
+    qr->setQRData(id);
+    bodyUI->qrCode->setPixmap(QPixmap::fromImage(qr->getImage()->scaledToWidth(150)));
+    bodyUI->qrCode->setToolTip(qr->getImageAsText());
 }
 
 void ProfileForm::onAvatarClicked()
@@ -369,3 +375,32 @@ void ProfileForm::showEvent(QShowEvent *event)
     refreshProfiles();
     QWidget::showEvent(event);
 }
+
+void ProfileForm::on_copyQr_clicked()
+{
+    QApplication::clipboard()->setImage(*qr->getImage());
+}
+
+void ProfileForm::on_saveQr_clicked()
+{
+    QString current = bodyUI->profiles->currentText() + ".png";
+    QString path = QFileDialog::getSaveFileName(0, tr("Save", "save qr image"),
+                   QDir::home().filePath(current), 
+                   tr("Save QrCode (*.png)", "save dialog filter"));
+    if (!path.isEmpty())
+    {
+        bool success;
+        if (QFile::exists(path))
+        {
+            success = QFile::remove(path);
+            if (!success)
+            {
+                QMessageBox::warning(this, tr("Failed to remove file"), tr("The file you chose to overwrite could not be removed first."));
+                return;
+            }
+        }
+        success = qr->saveImage(path);
+        if (!success)
+            QMessageBox::warning(this, tr("Failed to copy file"), tr("The file you chose could not be written to."));
+    }
+}

src/widget/form/profileform.h

@@ -22,6 +22,7 @@
 #include <QTimer>
 #include <QVBoxLayout>
 #include "src/core.h"
+#include "src/misc/qrwidget.h"
 
 class CroppingLabel;
 class Core;
@@ -73,6 +74,9 @@ private slots:
     void onNewClicked();
     void disableSwitching();
     void enableSwitching();
+    void on_copyQr_clicked();
+    
+    void on_saveQr_clicked();
     
 protected:
     virtual void showEvent(QShowEvent *);
@@ -85,6 +89,7 @@ private:
     Core* core;
     QTimer timer;
     bool hasCheck = false;
+    QRWidget *qr;
 
     ClickableTE* toxId;
 };

src/widget/form/profileform.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>439</width>
-    <height>472</height>
+    <width>442</width>
+    <height>659</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -39,8 +39,8 @@
        <rect>
         <x>0</x>
         <y>0</y>
-        <width>419</width>
-        <height>452</height>
+        <width>422</width>
+        <height>639</height>
        </rect>
       </property>
       <layout class="QVBoxLayout" name="verticalLayout_4" stretch="0,0,1">
@@ -97,6 +97,52 @@ Share it with your friends to communicate.</string>
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QLineEdit" name="toxId"/>
+          </item>
+          <item>
+           <widget class="QFrame" name="verticalFrame">
+            <layout class="QHBoxLayout" name="qrGroup">
+             <item>
+              <widget class="QLabel" name="qrCode">
+               <property name="text">
+                <string>QRCODE</string>
+               </property>
+               <property name="alignment">
+                <set>Qt::AlignCenter</set>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QFrame" name="horizontalFrame">
+               <layout class="QVBoxLayout" name="qrButtons">
+                <item alignment="Qt::AlignTop">
+                 <widget class="QLabel" name="label">
+                  <property name="text">
+                   <string>Share this code, so friends can add you</string>
+                  </property>
+                 </widget>
+                </item>
+                <item alignment="Qt::AlignVCenter">
+                 <widget class="QPushButton" name="saveQr">
+                  <property name="text">
+                   <string>Save image</string>
+                  </property>
+                 </widget>
+                </item>
+                <item alignment="Qt::AlignVCenter">
+                 <widget class="QPushButton" name="copyQr">
+                  <property name="text">
+                   <string>Copy image</string>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>
@@ -212,7 +258,7 @@ Profile does not contain your history.</string>
   <customwidget>
    <class>CroppingLabel</class>
    <extends>QLabel</extends>
-   <header>src/widget/croppinglabel.h</header>
+   <header location="global">src/widget/croppinglabel.h</header>
   </customwidget>
  </customwidgets>
  <resources/>