86 lines
2.1 KiB
QML
86 lines
2.1 KiB
QML
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import QtQuick 2.12
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import QtQuick.Window 2.0
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import QtQuick.Controls 2.12
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Rectangle {
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objectName: "scannerRect"
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id: scannerWindow
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visible: true
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color: "transparent"
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ScannerVariables {id: scannerVariables}
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ScannerBaseFunction {id: scannerBasefunction}
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MouseArea {
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anchors.fill: parent
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acceptedButtons: Qt.LeftButton|Qt.RightButton|Qt.MiddleButton
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hoverEnabled: true
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cursorShape: Qt.ArrowCursor
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property int angleDeltaX: 0
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property int angleDeltaY: 0
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onWheel: {
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if (wheel.angleDelta.y % 120 === 0) {
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scannerVariables.imageZoomSpeed = 15 //缩放速度
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} else {
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scannerVariables.imageZoomSpeed = 1
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}
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angleDeltaX += wheel.angleDelta.x
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angleDeltaY += wheel.angleDelta.y //累加垂直增量
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var wheelDelta = Qt.point(angleDeltaX, angleDeltaY)
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angleDeltaX = 0 //记录滚轮增量后置零
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angleDeltaY = 0
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if (scannerVariables.operateImageWay != 10) { //裁剪
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scannerVariables.wheelChange = !scannerVariables.wheelChange
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}
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if (wheelDelta.y > 0) {
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//放大图片
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scannerArea.zoomIn(wheelDelta)
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} else {
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//缩小图片
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scannerArea.zoomOut(wheelDelta)
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}
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}
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}
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Image {
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id: scannerBgImage
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anchors.fill: parent
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MouseArea {
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id: mousemouse
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anchors.fill: parent
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hoverEnabled: true
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onPositionChanged: {
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scannerVariables.mousePos = Qt.point(mouseX, mouseY)
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}
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}
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}
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ScannerImageArea {
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objectName: "scannerImageItem"
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id: scannerArea
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x: 0
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y: 0
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width: scannerWindow.width
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height: scannerWindow.height
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}
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onWidthChanged: {
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scannerVariables.curWidW = width
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}
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onHeightChanged: {
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scannerVariables.curWidH = height
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}
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function setOperateWay(way) {
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scannerVariables.operateImageWay = way
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}
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}
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