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import QtQuick 2.0
import "tiger.js" as Tiger
Canvas {
id:canvas
width:1900
height:1100
fillColor:"#000000"
focus:true
renderTarget:PaintedItem.FramebufferObject
property int frame:0
property date paintingTime
Component.onCompleted: {
canvas.frame++;
canvas.requestPaint();
}
onPainted: {
var endPaintingTime = new Date;
console.log("painting time:" + (endPaintingTime.valueOf() - canvas.paintingTime.valueOf()));
canvas.frame++;
if (canvas.frame > Tiger.tiger.length) {
// canvas.frame = 0;
canvas.frame = Tiger.tiger.length;
} else {
canvas.requestPaint();
}
}
onPaint:{
canvas.paintingTime = new Date();
Tiger.draw(context, canvas.frame);
}
Keys.onPressed : {
if (event.key == Qt.Key_Plus) {
canvas.contentsScale *= 1.5;
}
if (event.key == Qt.Key_Minus) {
canvas.contentsScale *= 0.7;
}
if (event.key == Qt.Key_Left) {
canvas.canvasX +=60;
}
if (event.key == Qt.Key_Right) {
canvas.canvasX -= 60;
}
if (event.key == Qt.Key_Up) {
canvas.canvasY += 40;
}
if (event.key == Qt.Key_Down) {
canvas.canvasY -= 40;
}
canvas.requestPaint();
}
Rectangle {
anchors.bottom : parent.bottom
color: "white"
opacity:0.7
height:50
width:canvas.width
radius:4
Text {
anchors.bottom : parent.bottom
font.pixelSize : 30
text: "drawing path:" + canvas.frame + "/" + Tiger.tiger.length
+ " moving to:(" + canvas.canvasX + "," + canvas.canvasY + ")"
+ " scale:" + canvas.contentsScale;
}
}
MouseArea {
id:mouseArea
anchors.fill:parent
property real pressedX;
property real pressedY;
onPressed: {
pressedX = mouseX;
pressedY = mouseY;
}
onPositionChanged : {
canvas.canvasX = mouseX - pressedX;
canvas.canvasY = mouseY - pressedY;
canvas.requestPaint();
}
}
}
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