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Add demo3 tachometer source code for cluster mode.

[Patch Set 2] Update LICENSE file.
Change-Id: Icac1ec8a08056988b519982d77d15a1eb5da8169
BUG-AGL: SPEC-2261
Signed-off-by: zheng_wenlong <wenlong_zheng@nexty-ele.com>

1 files changed, 101 insertions, 0 deletions

diff --git a/app/Tacho.qml b/app/Tacho.qml
new file mode 100644
index 0000000..a345de9
--- /dev/null
+++ b/app/Tacho.qml
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2017-2019 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import QtQuick 2.6
+import QtWebSockets 1.0
+
+Item {
+    property real imgwidth: 500
+    property real imgheight: 500
+
+    property real tacho: enginespeed === undefined ? 0 : (enginespeed > 9000 ? 9 : enginespeed*9/9000)
+
+    Image {
+        width: imgwidth
+        height: imgheight
+        fillMode: Image.PreserveAspectFit
+        smooth: true
+        asynchronous: true
+        source: "images/meters/tacho_center.svg"
+    }
+    Image {
+        width: imgwidth
+        height: imgheight
+        fillMode: Image.PreserveAspectFit
+        smooth: true
+        asynchronous: true
+        source: "images/meters/tacho_frame.svg"
+    }
+    Image {
+        width: imgwidth
+        height: imgheight
+        fillMode: Image.PreserveAspectFit
+        smooth: true
+        asynchronous: true
+        source: "images/meters/tacho_scale.svg"
+    }
+    Shift {
+        percent: imgwidth/480
+        anchors.right: parent.right
+        anchors.rightMargin: (wshift == "N" || wshift == "P" ||wshift == "R" )? (imgwidth-width)/2+25 : (imgwidth-width)/2-5
+        anchors.bottom: parent.bottom
+        anchors.bottomMargin: 100
+        spacing: -10
+    }
+    Canvas {
+        id: canvas
+        property real engleoffset: Math.PI*3/2.04
+        property int linewidth: 90
+        anchors.centerIn: parent
+        width: 420
+        height: 420
+        visible: tacho >= 0.05
+        rotation: 135
+        opacity: 0.5
+        onPaint: {
+            var ctx = getContext("2d")
+            var gradient = ctx.createLinearGradient(0, 0, canvas.width, canvas.height)
+            gradient.addColorStop(0.0, Qt.rgba(1.0, 1.0, 1.0, 1.0))
+            gradient.addColorStop(1.0, Qt.rgba(1.0, 1.0, 1.0, 0.0))
+
+            ctx.clearRect(0, 0, canvas.width, canvas.height);
+            ctx.beginPath();
+            ctx.lineWidth = linewidth;
+            ctx.strokeStyle = gradient
+            ctx.arc(canvas.width/2,
+                    canvas.height/2,
+                    (canvas.width-ctx.lineWidth)/2,
+                    0.1,
+                    engleoffset*(tacho/9) + (tacho < 3 ? 0.1 : (tacho < 7 ? 0.05 : 0.0)),
+                    false)
+            ctx.stroke()
+            ctx.closePath()
+        }
+    }
+    Image {
+        width: imgwidth
+        height: imgheight
+        fillMode: Image.PreserveAspectFit
+        smooth: true
+        asynchronous: true
+        rotation: 28.8*tacho
+        source: "images/meters/tacho_hand.svg"
+    }
+
+    onTachoChanged: {
+        canvas.requestPaint()
+    }
+}