From 5471328d6565ca1759ea8008421a31dde2a0f036 Mon Sep 17 00:00:00 2001
From: Warwick Allison <warwick.allison@nokia.com>
Date: Tue, 10 Nov 2009 14:29:10 +1000
Subject: Distinguish between tranform smoothness (from Item) and smoothness of
 the painted chunks (often want the latter not the former).

---
 .../graphicsitems/qmlgraphicspainteditem.cpp       | 30 ++++++++++++++++++++--
 .../graphicsitems/qmlgraphicspainteditem_p.h       |  4 +++
 .../graphicsitems/qmlgraphicspainteditem_p_p.h     |  3 ++-
 3 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/src/declarative/graphicsitems/qmlgraphicspainteditem.cpp b/src/declarative/graphicsitems/qmlgraphicspainteditem.cpp
index 2f0a585..2c849c8 100644
--- a/src/declarative/graphicsitems/qmlgraphicspainteditem.cpp
+++ b/src/declarative/graphicsitems/qmlgraphicspainteditem.cpp
@@ -214,6 +214,7 @@ void QmlGraphicsPaintedItem::paint(QPainter *p, const QStyleOptionGraphicsItem *
     QRegion topaint(clip);
     topaint &= content;
     QRegion uncached(content);
+    p->setRenderHints(QPainter::SmoothPixmapTransform, d->smooth);
 
     int cachesize=0;
     for (int i=0; i<d->imagecache.count(); ++i) {
@@ -223,7 +224,7 @@ void QmlGraphicsPaintedItem::paint(QPainter *p, const QStyleOptionGraphicsItem *
             if (!d->cachefrozen) {
                 if (!d->imagecache[i]->dirty.isNull() && topaint.contains(d->imagecache[i]->dirty)) {
                     QPainter qp(&d->imagecache[i]->image);
-                    qp.setRenderHints(QPainter::HighQualityAntialiasing | QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform, d->smooth);
+                    qp.setRenderHints(QPainter::HighQualityAntialiasing | QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform, d->smoothCache);
                     qp.translate(-area.x(), -area.y());
                     if (d->fillColor.isValid()){
                         if(d->fillColor.alpha() < 255){
@@ -279,7 +280,7 @@ void QmlGraphicsPaintedItem::paint(QPainter *p, const QStyleOptionGraphicsItem *
                     img.fill(d->fillColor);
                 {
                     QPainter qp(&img);
-                    qp.setRenderHints(QPainter::HighQualityAntialiasing | QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform, d->smooth);
+                    qp.setRenderHints(QPainter::HighQualityAntialiasing | QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform, d->smoothCache);
 
                     qp.translate(-r.x(),-r.y());
                     drawContents(&qp, r);
@@ -377,5 +378,30 @@ QColor QmlGraphicsPaintedItem::fillColor() const
     return d->fillColor;
 }
 
+/*!
+    \qmlproperty bool PaintedItem::smoothCache
+
+    Controls whether the cached tiles of which the item is composed are
+    rendered smoothly when they are generated.
+
+    This is in addition toe Item::smooth, which controls the smooth painting of
+    the already-painted cached tiles under transformation.
+*/
+bool QmlGraphicsPaintedItem::smoothCache() const
+{
+    Q_D(const QmlGraphicsPaintedItem);
+    return d->smoothCache;
+}
+
+void QmlGraphicsPaintedItem::setSmoothCache(bool on)
+{
+    Q_D(QmlGraphicsPaintedItem);
+    if (d->smoothCache != on) {
+        d->smoothCache = on;
+        clearCache();
+    }
+}
+
+
 
 QT_END_NAMESPACE
diff --git a/src/declarative/graphicsitems/qmlgraphicspainteditem_p.h b/src/declarative/graphicsitems/qmlgraphicspainteditem_p.h
index 99873a7..8d629b3 100644
--- a/src/declarative/graphicsitems/qmlgraphicspainteditem_p.h
+++ b/src/declarative/graphicsitems/qmlgraphicspainteditem_p.h
@@ -59,6 +59,7 @@ class Q_DECLARATIVE_EXPORT QmlGraphicsPaintedItem : public QmlGraphicsItem
     Q_PROPERTY(QSize contentsSize READ contentsSize WRITE setContentsSize)
     Q_PROPERTY(QColor fillColor READ fillColor WRITE setFillColor NOTIFY fillColorChanged)
     Q_PROPERTY(int cacheSize READ cacheSize WRITE setCacheSize)
+    Q_PROPERTY(bool smoothCache READ smoothCache WRITE setSmoothCache)
 
 public:
     QmlGraphicsPaintedItem(QmlGraphicsItem *parent=0);
@@ -70,6 +71,9 @@ public:
     int cacheSize() const;
     void setCacheSize(int pixels);
 
+    bool smoothCache() const;
+    void setSmoothCache(bool on);
+
     QColor fillColor() const;
     void setFillColor(const QColor&);
 
diff --git a/src/declarative/graphicsitems/qmlgraphicspainteditem_p_p.h b/src/declarative/graphicsitems/qmlgraphicspainteditem_p_p.h
index a744557..a938ecf 100644
--- a/src/declarative/graphicsitems/qmlgraphicspainteditem_p_p.h
+++ b/src/declarative/graphicsitems/qmlgraphicspainteditem_p_p.h
@@ -63,7 +63,7 @@ class QmlGraphicsPaintedItemPrivate : public QmlGraphicsItemPrivate
 
 public:
     QmlGraphicsPaintedItemPrivate()
-      : max_imagecache_size(100000), fillColor(Qt::transparent), cachefrozen(false)
+      : max_imagecache_size(100000), fillColor(Qt::transparent), cachefrozen(false), smoothCache(true)
     {
     }
 
@@ -82,6 +82,7 @@ public:
     QSize contentsSize;
     QColor fillColor;
     bool cachefrozen;
+    bool smoothCache;
 };
 
 QT_END_NAMESPACE
-- 
cgit v0.12