Use only standard API in examples.

Change-Id: I62a864de35c5b595ffda4397edb16342f54a86ce
Reviewed-by: Yunqiao Yin <charles.yin@nokia.com>

9 files changed, 25 insertions, 16 deletions

diff --git a/examples/declarative/canvas/bezierCurve/bezierCurve.qml b/examples/declarative/canvas/bezierCurve/bezierCurve.qml
index 4dc9dd1cf5..f57839b0a5 100644
--- a/examples/declarative/canvas/bezierCurve/bezierCurve.qml
+++ b/examples/declarative/canvas/bezierCurve/bezierCurve.qml
@@ -82,7 +82,7 @@ Item {
 
     onPaint: {
       var ctx = canvas.getContext('2d');
-      ctx.reset();
+      ctx.save();
       ctx.clearRect(0, 0, canvas.width, canvas.height);
       ctx.globalAlpha = canvas.alpha;
       ctx.strokeStyle = canvas.strokeStyle;
@@ -103,6 +103,7 @@ Item {
          ctx.fill();
       if (canvas.stroke)
          ctx.stroke();
+      ctx.restore();
     }
   }
 
@@ -120,4 +121,4 @@ Item {
         }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/declarative/canvas/clip/clip.qml b/examples/declarative/canvas/clip/clip.qml
index bf0d8fb75b..d861ff0a46 100644
--- a/examples/declarative/canvas/clip/clip.qml
+++ b/examples/declarative/canvas/clip/clip.qml
@@ -92,7 +92,7 @@ Item {
       if (N>100) M=100;
       if (N<0.00000000001) M=0.00000000001;
 
-      ctx.reset();
+      ctx.save();
       ctx.globalAlpha =canvas.alpha;
       ctx.fillStyle = "gray";
       ctx.fillRect(0, 0, canvas.width, canvas.height);
@@ -129,6 +129,7 @@ Item {
       ctx.clip();
 
       ctx.drawImage(canvas.imagefile, 0, 0);
+      ctx.restore();
     }
   }
 
diff --git a/examples/declarative/canvas/quadraticCurveTo/quadraticCurveTo.qml b/examples/declarative/canvas/quadraticCurveTo/quadraticCurveTo.qml
index 047fcfd949..bc3ca0071a 100644
--- a/examples/declarative/canvas/quadraticCurveTo/quadraticCurveTo.qml
+++ b/examples/declarative/canvas/quadraticCurveTo/quadraticCurveTo.qml
@@ -80,7 +80,7 @@ Item {
 
       onPaint: {
           var ctx = canvas.getContext('2d');
-          ctx.reset();
+          ctx.save();
           ctx.clearRect(0, 0, canvas.width, canvas.height);
           ctx.globalAlpha = canvas.alpha;
           ctx.strokeStyle = canvas.strokeStyle;
@@ -107,6 +107,7 @@ Item {
           ctx.font = "Bold 15px";
 
           ctx.fillText("QML酷毙了", 30, 60);
+          ctx.restore();
       }
     }
 
@@ -124,4 +125,4 @@ Item {
         }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/declarative/canvas/roundedrect/roundedrect.qml b/examples/declarative/canvas/roundedrect/roundedrect.qml
index 9fb9181fd1..fd86c63a3b 100644
--- a/examples/declarative/canvas/roundedrect/roundedrect.qml
+++ b/examples/declarative/canvas/roundedrect/roundedrect.qml
@@ -79,7 +79,7 @@ Item {
 
         onPaint: {
             var ctx = getContext("2d");
-            ctx.reset();
+            ctx.save();
             ctx.clearRect(0,0,canvas.width, canvas.height);
             ctx.strokeStyle = canvas.strokeStyle;
             ctx.lineWidth = canvas.lineWidth
@@ -104,6 +104,7 @@ Item {
                 ctx.fill();
             if (canvas.stroke)
                 ctx.stroke();
+            ctx.restore();
         }
     }
 
@@ -121,4 +122,4 @@ Item {
         }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/declarative/canvas/smile/smile.qml b/examples/declarative/canvas/smile/smile.qml
index 44909564c9..28a48a6c81 100644
--- a/examples/declarative/canvas/smile/smile.qml
+++ b/examples/declarative/canvas/smile/smile.qml
@@ -82,7 +82,7 @@ Item {
 
     onPaint: {
           var ctx = canvas.getContext('2d');
-          ctx.reset();
+          ctx.save();
           ctx.clearRect(0, 0, canvas.width, canvas.height);
           ctx.globalAlpha = canvas.alpha;
           ctx.strokeStyle = canvas.strokeStyle;
@@ -107,6 +107,7 @@ Item {
              ctx.fill();
           if (canvas.stroke)
              ctx.stroke();
+          ctx.restore();
         }
     }
 
@@ -124,4 +125,4 @@ Item {
         }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/declarative/canvas/squircle/squircle.qml b/examples/declarative/canvas/squircle/squircle.qml
index 9c0860c9f5..2fc65b67b3 100644
--- a/examples/declarative/canvas/squircle/squircle.qml
+++ b/examples/declarative/canvas/squircle/squircle.qml
@@ -96,7 +96,7 @@ Item {
           if (N>100) M=100;
           if (N<0.00000000001) M=0.00000000001;
 
-          ctx.reset();
+          ctx.save();
           ctx.globalAlpha =canvas.alpha;
           ctx.fillStyle = "gray";
           ctx.fillRect(0, 0, canvas.width, canvas.height);
@@ -134,6 +134,7 @@ Item {
           ctx.fillStyle = "yellow";
           ctx.font = "Helvetica  16px";
           ctx.fillText("|X-" + Math.round(canvas.px) + "|^" + N + " + |Y-"+Math.round(canvas.py)+"|^" + N + " = |" + Math.round(R) + "|^" + N, canvas.px - 125, canvas.py);
+          ctx.restore();
         }
     }
 
@@ -151,4 +152,4 @@ Item {
         }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/declarative/canvas/stockchart/stock.qml b/examples/declarative/canvas/stockchart/stock.qml
index d02f07bc38..1c95fde2ce 100644
--- a/examples/declarative/canvas/stockchart/stock.qml
+++ b/examples/declarative/canvas/stockchart/stock.qml
@@ -688,7 +688,7 @@ Rectangle {
 
             //console.log("painting...  first:" + first + ", last:" + last + " current:" + view.currentIndex);
             var ctx = canvas.getContext("2d");
-            ctx.reset();
+            ctx.save();
 
             ctx.globalCompositeOperation = "source-over";
             ctx.lineWidth = 1;
@@ -720,6 +720,7 @@ Rectangle {
             drawPrice(ctx, first, last, Qt.rgba(0.5, 0.5, 0.5, 1),"close", points, highestPrice);
             drawVolume(ctx, first, last, Qt.rgba(0.3, 0.5, 0.7, 1),"volume", points, highestValume);
             drawKLine(ctx, first, last, points, highestPrice);
+            ctx.restore();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/examples/declarative/canvas/tiger/tiger.qml b/examples/declarative/canvas/tiger/tiger.qml
index 0e3770e6e3..2eb1bb2106 100644
--- a/examples/declarative/canvas/tiger/tiger.qml
+++ b/examples/declarative/canvas/tiger/tiger.qml
@@ -82,7 +82,7 @@ Item {
         }
         onPaint: {
             var ctx = canvas.getContext('2d');
-            ctx.reset();
+            ctx.save();
             ctx.clearRect(0, 0, canvas.width, canvas.height);
             ctx.globalAlpha = canvas.alpha;
             ctx.scale(canvas.scaleX, canvas.scaleY);
@@ -110,6 +110,7 @@ Item {
             ctx.stroke();
             }
         }
+            ctx.restore();
     }
     }
     Rectangle {
@@ -125,4 +126,4 @@ Item {
         }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/examples/declarative/canvas/twitterfriends/twitter.qml b/examples/declarative/canvas/twitterfriends/twitter.qml
index 81b29d2fda..9dc2bcc939 100644
--- a/examples/declarative/canvas/twitterfriends/twitter.qml
+++ b/examples/declarative/canvas/twitterfriends/twitter.qml
@@ -112,7 +112,7 @@ Rectangle {
       onImageLoaded:requestPaint();
       onPaint: {
       var ctx = canvas.getContext('2d');
-      ctx.reset();
+      ctx.save();
       ctx.fillStyle="black";
       ctx.fillRect(0, 0, canvas.width, canvas.height);
 
@@ -135,6 +135,7 @@ Rectangle {
           }
           layoutChanged = false;
       }
+      ctx.restore();
     }
   }
 }