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import QtQuick 2.0
import "style.js" as Style
Item{
id:canvas
width:1
height:1
x: app.width/2+xOffset
y: app.height/2+yOffset
property real xOffset: 0
property real yOffset: 0
property real angle: 0
property real zoomInTarget: 5
property real scalingFactor: 5
property real rotationOriginX
property real rotationOriginY
function goHome()
{
worldMouseArea.panning = false
xOffset = 0; //(app.homeCenterX * app.homeScaleFactor);
yOffset = 0; //(-app.homeCenterY * app.homeScaleFactor);
rotationOriginX = 0;
rotationOriginY = 0;
angle = 0;
zoomInTarget = app.homeScaleFactor;
app.navigationState = 0 //home
app.forceActiveFocus()
zoomAnimation.restart();
}
function goTo(target, updateScalingFactor)
{
if (target)
{
worldMouseArea.panning = false
xOffset = -target.x;
yOffset = -target.y;
rotationOriginX = target.x;
rotationOriginY = target.y;
angle = 0
zoomInTarget = target.targetScale;
if (updateScalingFactor)
scalingFactor = zoomInTarget
app.navigationState = 1 //slide
}
}
function goNext() {
goTo(app.getNext(), false);
navigationAnimation.restart()
}
function goPrevious() {
goTo(app.getPrevious(), false);
navigationAnimation.restart()
}
Behavior on angle {
RotationAnimation{
duration: Style.APP_ANIMATION_DELAY
direction: RotationAnimation.Shortest
}
enabled: !worldPinchArea.pinching
}
Behavior on xOffset {
id: xOffsetBehaviour
enabled: !worldMouseArea.panning
NumberAnimation{duration: Style.APP_ANIMATION_DELAY}
}
Behavior on yOffset {
id: yOffsetBehaviour
enabled: !worldMouseArea.panning
NumberAnimation{duration: Style.APP_ANIMATION_DELAY}
}
Behavior on rotationOriginX {
NumberAnimation{
duration: Style.APP_ANIMATION_DELAY
}
enabled: !worldPinchArea.pinching
}
Behavior on rotationOriginY {
NumberAnimation{
duration: Style.APP_ANIMATION_DELAY
}
enabled: !worldPinchArea.pinching
}
transform: [
Scale{
id: canvasScale
origin.x: canvas.rotationOriginX
origin.y: canvas.rotationOriginY
xScale: canvas.scalingFactor
yScale :canvas.scalingFactor
},
Rotation{
id: canvasRotation
origin.x: canvas.rotationOriginX
origin.y: canvas.rotationOriginY
angle: canvas.angle
}
]
}
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