ui: make photo round

Change-Id: I5738d1a435b0587ad1b1a9d0639ba7ea8f83bedf
Tuleap: #148

pixbufmanipulator.cpp

@@ -29,7 +29,7 @@
 namespace Interfaces {
 
 PixbufManipulator::PixbufManipulator()
-    : fallbackAvatar_( QImage(":/images/user/btn-default-userpic.svg"))
+    : fallbackAvatar_(QImage(":/images/user/btn-default-userpic.svg"))
 {}
 
 QImage
@@ -147,26 +147,35 @@ QVariant PixbufManipulator::decorationRole(const QModelIndex& index)
 
 QVariant PixbufManipulator::decorationRole(const Call* c)
 {
+    QImage photo;
     if (c && c->peerContactMethod()
             && c->peerContactMethod()->contact()
             && c->peerContactMethod()->contact()->photo().isValid()) {
-        return c->peerContactMethod()->contact()->photo().value<QImage>();
+        photo =  c->peerContactMethod()->contact()->photo().value<QImage>();
     }
-    return QVariant::fromValue(scaleAndFrame(fallbackAvatar_, imgSize_));
+    else
+        photo = fallbackAvatar_;
+    return QVariant::fromValue(scaleAndFrame(photo, imgSize_));
 }
 
 QVariant PixbufManipulator::decorationRole(const ContactMethod* cm)
 {
+    QImage photo;
     if (cm && cm->contact() && cm->contact()->photo().isValid())
-        return cm->contact()->photo().value<QImage>();
-    return QVariant::fromValue(scaleAndFrame(fallbackAvatar_, imgSize_));
+        photo = cm->contact()->photo().value<QImage>();
+    else
+        photo = fallbackAvatar_;
+    return QVariant::fromValue(scaleAndFrame(photo, imgSize_));
 }
 
 QVariant PixbufManipulator::decorationRole(const Person* p)
 {
+    QImage photo;
     if (p && p->photo().isValid())
-        return p->photo();
-    return QVariant::fromValue(scaleAndFrame(fallbackAvatar_, imgSize_));
+        photo = p->photo().value<QImage>();
+    else
+        photo = fallbackAvatar_;
+    return QVariant::fromValue(scaleAndFrame(photo, imgSize_));
 }
 
 } // namespace Interfaces

smartlistdelegate.cpp

@@ -40,6 +40,8 @@ SmartListDelegate::paint(QPainter* painter
                         ) const
 {
     QStyleOptionViewItem opt(option);
+    painter->setRenderHint(QPainter::Antialiasing);
+    opt.decorationSize = QSize(sizeImage_, sizeImage_);
     opt.decorationPosition = QStyleOptionViewItem::Left;
     opt.decorationAlignment = Qt::AlignCenter;
     if (opt.state & QStyle::State_HasFocus)

windowscontactbackend.cpp

@@ -19,6 +19,7 @@
 #include "windowscontactbackend.h"
 
 #include <QtXml>
+#include <QPainter>
 
 #include "personmodel.h"
 #include "categorizedcontactmodel.h"
@@ -289,8 +290,7 @@ WindowsContactBackend::getPersonFromContactFile(const QDir& contactDir,
                         QImage photo;
                         photo.load(photoValue);
                         if (not photo.isNull())
-                            p->setPhoto(photo.scaled(sizePhoto_,sizePhoto_, Qt::KeepAspectRatio,
-                                                    Qt::SmoothTransformation));
+                            p->setPhoto(getCirclePhoto(photo));
                     }
                 }
                 else if (name == "EmailAddress") {
@@ -345,6 +345,23 @@ WindowsContactBackend::getPersonFromContactFile(const QDir& contactDir,
     }
 }
 
+QImage WindowsContactBackend::getCirclePhoto(const QImage original)
+{
+    QImage target(sizePhoto_, sizePhoto_, QImage::Format_ARGB32_Premultiplied);
+    target.fill(Qt::transparent);
+
+    QPainter painter(&target);
+    painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+    painter.setBrush(QBrush(Qt::white));
+    painter.drawEllipse(0, 0, sizePhoto_, sizePhoto_);
+    painter.setCompositionMode(QPainter::CompositionMode_SourceIn);
+    painter.drawImage(0, 0,
+                      original
+                      .scaled(60, 60, Qt::KeepAspectRatio, Qt::SmoothTransformation)
+                      .convertToFormat(QImage::Format_ARGB32_Premultiplied));
+    return target;
+}
+
 bool
 WindowsContactBackend::reload()
 {

windowscontactbackend.h

@@ -55,6 +55,7 @@ private:
 
 private:
     bool getPersonFromContactFile(const QDir &contactDir, const QString& contactFileName);
+    QImage getCirclePhoto(const QImage original);
 };
 
 class WindowsContactEditor : public CollectionEditor<Person>