rename threadRendering to renderInThread

Change-Id: I21d2492288adc84d3ef99633752e78a3ea232a4a
Reviewed-on: http://codereview.qt-project.org/5042
Reviewed-by: Charles Yin <charles.yin@nokia.com>

13 files changed, 49 insertions, 45 deletions

diff --git a/examples/declarative/canvas/bezierCurve/bezierCurve.qml b/examples/declarative/canvas/bezierCurve/bezierCurve.qml
index bce3777b49..4d30c4dbd1 100644
--- a/examples/declarative/canvas/bezierCurve/bezierCurve.qml
+++ b/examples/declarative/canvas/bezierCurve/bezierCurve.qml
@@ -65,7 +65,7 @@ Item {
       property real rotate : rotateCtrl.value
       smooth:true
       renderTarget:Canvas.Image
-      threadRendering:false
+      renderInThread:false
 
 
       Behavior on scaleX { SpringAnimation { spring: 2; damping: 0.2; loops:Animation.Infinite } }
diff --git a/examples/declarative/canvas/clip/clip.qml b/examples/declarative/canvas/clip/clip.qml
index 58925e68b6..f2397c6ca6 100644
--- a/examples/declarative/canvas/clip/clip.qml
+++ b/examples/declarative/canvas/clip/clip.qml
@@ -66,7 +66,7 @@ Item {
       property string imagefile:"../contents/qt-logo.png"
       smooth:true
       renderTarget:Canvas.Image
-      threadRendering:false
+      renderInThread:false
       Component.onCompleted:loadImage(canvas.imagefile);
 
     onAlphaChanged:requestPaint();
diff --git a/examples/declarative/canvas/contents/Button.qml b/examples/declarative/canvas/contents/Button.qml
index 410c7421ae..3c41a19178 100644
--- a/examples/declarative/canvas/contents/Button.qml
+++ b/examples/declarative/canvas/contents/Button.qml
@@ -84,4 +84,4 @@ Item {
             PropertyChanges { target: pressed; opacity: 1 }
         }
     ]
-}
+}
\ No newline at end of file
diff --git a/examples/declarative/canvas/pixels/pixels.qml b/examples/declarative/canvas/pixels/pixels.qml
index 97af7469e7..8047bb1e2d 100644
--- a/examples/declarative/canvas/pixels/pixels.qml
+++ b/examples/declarative/canvas/pixels/pixels.qml
@@ -55,8 +55,8 @@ Item {
       width:360
       height:360
       smooth:true
-      renderTarget:Canvas.Image
-      threadRendering:false
+      renderTarget:Canvas.FramebufferObject
+      renderInThread:false
       property string image :"../contents/qt-logo.png"
       Component.onCompleted:loadImage(image);
       onImageLoaded:requestPaint();
diff --git a/examples/declarative/canvas/quadraticCurveTo/quadraticCurveTo.qml b/examples/declarative/canvas/quadraticCurveTo/quadraticCurveTo.qml
index 76b09d8e41..00d9e9d2dc 100644
--- a/examples/declarative/canvas/quadraticCurveTo/quadraticCurveTo.qml
+++ b/examples/declarative/canvas/quadraticCurveTo/quadraticCurveTo.qml
@@ -65,7 +65,7 @@ Item {
       property real rotate : rotateCtrl.value
       smooth:true
       renderTarget:Canvas.Image
-      threadRendering:false
+      renderInThread:false
 
       onLineWidthChanged:requestPaint();
       onFillChanged:requestPaint();
@@ -106,8 +106,7 @@ Item {
           ctx.fillStyle="green";
           ctx.font = "Bold 15px";
 
-         // ctx.fillText("QML酷毙了", 30, 60); //BUG(in Linux):can't show multiple Chinese characters correctly.
-          ctx.fillText("QML酷   毙   了   !", 35, 65);
+          ctx.fillText("QML酷毙了", 30, 60);
       }
     }
 
diff --git a/examples/declarative/canvas/roundedrect/roundedrect.qml b/examples/declarative/canvas/roundedrect/roundedrect.qml
index bed4098207..50c07eac42 100644
--- a/examples/declarative/canvas/roundedrect/roundedrect.qml
+++ b/examples/declarative/canvas/roundedrect/roundedrect.qml
@@ -55,7 +55,7 @@ Item {
         height:360
         smooth:true
         renderTarget:Canvas.Image
-        threadRendering:false
+        renderInThread:false
 
         property int radius: rCtrl.value
         property int rectx: rxCtrl.value
diff --git a/examples/declarative/canvas/smile/smile.qml b/examples/declarative/canvas/smile/smile.qml
index 9a75707efa..3a7fbe7cac 100644
--- a/examples/declarative/canvas/smile/smile.qml
+++ b/examples/declarative/canvas/smile/smile.qml
@@ -56,7 +56,7 @@ Item {
         height:360
         smooth:true
         renderTarget:Canvas.Image
-        threadRendering:false
+        renderInThread:false
 
         property string strokeStyle:"green"
         property string fillStyle:"yellow"
diff --git a/examples/declarative/canvas/squircle/squircle.qml b/examples/declarative/canvas/squircle/squircle.qml
index 638abd97fb..f9845e849e 100644
--- a/examples/declarative/canvas/squircle/squircle.qml
+++ b/examples/declarative/canvas/squircle/squircle.qml
@@ -61,7 +61,7 @@ Item {
         height:360
         smooth:true
         renderTarget:Canvas.Image
-        threadRendering:false
+        renderInThread:false
 
         property string strokeStyle:"blue"
         property string fillStyle:"steelblue"
diff --git a/examples/declarative/canvas/stockchart/stock.qml b/examples/declarative/canvas/stockchart/stock.qml
index c6fdd0ecb6..32ffac1a60 100644
--- a/examples/declarative/canvas/stockchart/stock.qml
+++ b/examples/declarative/canvas/stockchart/stock.qml
@@ -337,7 +337,7 @@ Rectangle {
         anchors.bottom : view.top
         width:container.width;
         opacity:0
-        threadRendering:false
+        renderInThread:false
         renderTarget: Canvas.Image
         property bool running:false
         property int frames:first
@@ -722,4 +722,4 @@ Rectangle {
             drawKLine(ctx, first, last, points, highestPrice);
         }
     }
-}
+}
\ No newline at end of file
diff --git a/examples/declarative/canvas/tiger/tiger.qml b/examples/declarative/canvas/tiger/tiger.qml
index 9adda4cfd8..5ec920436c 100644
--- a/examples/declarative/canvas/tiger/tiger.qml
+++ b/examples/declarative/canvas/tiger/tiger.qml
@@ -55,12 +55,11 @@ Item {
         id:canvas
         width:360
         height:360
-        smooth:false
-        renderTarget:Canvas.Image
-        threadRendering:false
+        smooth:true
+        renderTarget:Canvas.FramebufferObject
+        renderInThread:false
         property string strokeStyle:"steelblue"
         property string fillStyle:"yellow"
-        property int lineWidth:lineWidthCtrl.value
         property bool fill:true
         property bool stroke:true
         property real alpha:alphaCtrl.value
@@ -69,7 +68,6 @@ Item {
         property real rotate : rotateCtrl.value
         property int frame:0
 
-        onLineWidthChanged: requestPaint();
         onFillChanged: requestPaint();
         onStrokeChanged: requestPaint();
         onAlphaChanged: requestPaint();
@@ -85,8 +83,7 @@ Item {
         onPaint: {
             var ctx = canvas.getContext('2d');
             ctx.reset();
-            ctx.fillStyle = "rgba(0,0,0,0)";
-            ctx.fillRect(0, 0, canvas.width, canvas.height);
+            ctx.clearRect(0, 0, canvas.width, canvas.height);
             ctx.globalAlpha = canvas.alpha;
             ctx.scale(canvas.scaleX, canvas.scaleY);
             ctx.rotate(canvas.rotate);
@@ -121,7 +118,6 @@ Item {
         height:160
         Column {
           spacing:3
-          Slider {id:lineWidthCtrl; width:300; height:30; min:1; max:10; init:2; name:"Line width"}
           Slider {id:scaleXCtrl; width:300; height:30; min:0.1; max:10; init:0.5; name:"ScaleX"}
           Slider {id:scaleYCtrl; width:300; height:30; min:0.1; max:10; init:0.5; name:"ScaleY"}
           Slider {id:rotateCtrl; width:300; height:30; min:0; max:Math.PI*2; init:0; name:"Rotate"}
diff --git a/examples/declarative/canvas/twitterfriends/twitter.qml b/examples/declarative/canvas/twitterfriends/twitter.qml
index b852e66744..685a59d948 100644
--- a/examples/declarative/canvas/twitterfriends/twitter.qml
+++ b/examples/declarative/canvas/twitterfriends/twitter.qml
@@ -84,7 +84,7 @@ Item {
       anchors.bottom : parent.bottom
       smooth:true
       renderTarget:Canvas.Image
-      threadRendering:false
+      renderInThread:false
 
       property bool layoutChanged:true
       property string twitterName:""
@@ -124,4 +124,3 @@ Item {
     }
   }
 }
-
diff --git a/src/declarative/items/context2d/qsgcanvasitem.cpp b/src/declarative/items/context2d/qsgcanvasitem.cpp
index 4a5f771c95..2ecd322288 100644
--- a/src/declarative/items/context2d/qsgcanvasitem.cpp
+++ b/src/declarative/items/context2d/qsgcanvasitem.cpp
@@ -64,7 +64,7 @@ public:
     QSize tileSize;
     QRectF canvasWindow;
     QRectF dirtyRect;
-    uint threadRendering : 1;
+    uint renderInThread : 1;
     uint hasCanvasSize :1;
     uint hasTileSize :1;
     uint hasCanvasWindow :1;
@@ -80,7 +80,7 @@ QSGCanvasItemPrivate::QSGCanvasItemPrivate()
     , texture(0)
     , canvasSize(1, 1)
     , tileSize(1, 1)
-    , threadRendering(true)
+    , renderInThread(false)
     , hasCanvasSize(false)
     , hasTileSize(false)
     , hasCanvasWindow(false)
@@ -303,10 +303,10 @@ QSGContext2D* QSGCanvasItem::context() const
      The default value is false.
     \sa QtQuick2::Canvas::renderTarget
 */
-bool QSGCanvasItem::threadRendering() const
+bool QSGCanvasItem::renderInThread() const
 {
     Q_D(const QSGCanvasItem);
-    return d->threadRendering;
+    return d->renderInThread;
 }
 /*!
     \qmlproperty bool QtQuick2::Canvas::renderTarget
@@ -353,20 +353,30 @@ void QSGCanvasItem::_doPainting(const QRectF& region)
         d->texture->wake();
 }
 
-void QSGCanvasItem::setThreadRendering(bool threadRendering)
+/*!
+    \qmlproperty bool QtQuick2::Canvas::renderInThread
+     Holds the current canvas rendering mode.
+
+     When this property is true, all canvas painting commands
+     are rendered in a background rendering thread, otherwise
+     the rendering happens in the main GUI thread.
+
+     The default renderInThread value is false.
+*/
+void QSGCanvasItem::setRenderInThread(bool renderInThread)
 {
     Q_D(QSGCanvasItem);
-    if (d->threadRendering != threadRendering) {
-        d->threadRendering = threadRendering;
+    if (d->renderInThread != renderInThread) {
+        d->renderInThread = renderInThread;
 
         if (d->componentCompleted)
             createTexture();
 
-        if (d->threadRendering)
+        if (d->renderInThread)
             connect(this, SIGNAL(painted()), SLOT(update()));
         else
             disconnect(this, SIGNAL(painted()), this, SLOT(update()));
-        emit threadRenderingChanged();
+        emit renderInThreadChanged();
         polish();
     }
 }
@@ -418,7 +428,7 @@ void QSGCanvasItem::updatePolish()
 
     QSGItem::updatePolish();
     if (d->texture) {
-        if (!d->threadRendering && d->dirtyRect.isValid())
+        if (!d->renderInThread && d->dirtyRect.isValid())
             _doPainting(d->dirtyRect);
 
         d->texture->canvasChanged(d->canvasSize.toSize()
@@ -447,7 +457,7 @@ void QSGCanvasItem::createTexture()
     Q_D(QSGCanvasItem);
 
     if (!d->texture
-      || d->texture->threadRendering() != d->threadRendering
+      || d->texture->threadRendering() != d->renderInThread
       || d->texture->renderTarget() != d->renderTarget) {
         if (d->texture) {
             d->texture->deleteLater();
@@ -455,18 +465,18 @@ void QSGCanvasItem::createTexture()
         }
 
         if (d->renderTarget == QSGCanvasItem::Image) {
-            d->texture = new QSGContext2DImageTexture(d->threadRendering);
+            d->texture = new QSGContext2DImageTexture(d->renderInThread);
         } else if (d->renderTarget == QSGCanvasItem::FramebufferObject) {
             d->texture = new QSGContext2DFBOTexture();
         }
 
-        if (d->threadRendering && !d->texture->supportThreadRendering()) {
+        if (d->renderInThread && !d->texture->supportThreadRendering()) {
             qWarning("Canvas: render target does not support thread rendering, force to non-thread rendering mode.");
-            d->threadRendering = false;
-            emit threadRenderingChanged();
+            d->renderInThread = false;
+            emit renderInThreadChanged();
         }
 
-        if (d->threadRendering)
+        if (d->renderInThread)
             connect(d->texture, SIGNAL(textureChanged()), this, SLOT(update()));
 
         d->texture->setItem(this);
@@ -707,4 +717,4 @@ QString QSGCanvasItem::toDataURL(const QString& mimeType) const
     the Canvas is actually rendered.
 */
 
-QT_END_NAMESPACE
+QT_END_NAMESPACE
\ No newline at end of file
diff --git a/src/declarative/items/context2d/qsgcanvasitem_p.h b/src/declarative/items/context2d/qsgcanvasitem_p.h
index 1dd4cea879..8d6441ac60 100644
--- a/src/declarative/items/context2d/qsgcanvasitem_p.h
+++ b/src/declarative/items/context2d/qsgcanvasitem_p.h
@@ -63,7 +63,7 @@ class QSGCanvasItem : public QSGItem
     Q_PROPERTY(QSizeF canvasSize READ canvasSize WRITE setCanvasSize NOTIFY canvasSizeChanged)
     Q_PROPERTY(QSize tileSize READ tileSize WRITE setTileSize NOTIFY tileSizeChanged)
     Q_PROPERTY(QRectF canvasWindow READ canvasWindow WRITE setCanvasWindow NOTIFY canvasWindowChanged)
-    Q_PROPERTY(bool threadRendering READ threadRendering WRITE setThreadRendering NOTIFY threadRenderingChanged)
+    Q_PROPERTY(bool renderInThread READ renderInThread WRITE setRenderInThread NOTIFY renderInThreadChanged)
     Q_PROPERTY(RenderTarget renderTarget READ renderTarget WRITE setRenderTarget NOTIFY renderTargetChanged)
 public:
     enum RenderTarget {
@@ -94,8 +94,8 @@ public:
     QRectF canvasWindow() const;
     void setCanvasWindow(const QRectF& rect);
 
-    bool threadRendering() const;
-    void setThreadRendering(bool theadRendering);
+    bool renderInThread() const;
+    void setRenderInThread(bool renderInThread);
 
     RenderTarget renderTarget() const;
     void setRenderTarget(RenderTarget target);
@@ -109,7 +109,7 @@ Q_SIGNALS:
     void painted();
     void canvasSizeChanged();
     void tileSizeChanged();
-    void threadRenderingChanged();
+    void renderInThreadChanged();
     void textureChanged();
     void canvasWindowChanged();
     void renderTargetChanged();
@@ -147,4 +147,4 @@ QML_DECLARE_TYPE(QSGCanvasItem)
 
 QT_END_HEADER
 
-#endif //QSGCANVASITEM_P_H
+#endif //QSGCANVASITEM_P_H
\ No newline at end of file