diff options
Diffstat (limited to 'examples/quick/canvas/bezierCurve/bezierCurve.qml')
| -rw-r--r-- | examples/quick/canvas/bezierCurve/bezierCurve.qml | 143 |
1 files changed, 89 insertions, 54 deletions
diff --git a/examples/quick/canvas/bezierCurve/bezierCurve.qml b/examples/quick/canvas/bezierCurve/bezierCurve.qml index 31ec4e60ef..0965a1e3db 100644 --- a/examples/quick/canvas/bezierCurve/bezierCurve.qml +++ b/examples/quick/canvas/bezierCurve/bezierCurve.qml @@ -6,94 +6,129 @@ import QtQuick.Controls import "../" Item { - id:container + id: root width: 320 height: 480 Column { - spacing:5 - anchors.fill: parent - anchors.topMargin: 12 + spacing: 5 + anchors { + fill: parent + topMargin: 12 + } Label { - font.pointSize: 24 - font.bold: true - text: "Bezier Curve" anchors.horizontalCenter: parent.horizontalCenter - color: "#777" + text: qsTr("Bezier Curve") + color: Qt.lighter(palette.text) + font { + pointSize: 24 + bold: true + } } Canvas { - id:canvas - width:320 - height:280 - property color strokeStyle: Qt.darker(fillStyle, 1.4) - property color fillStyle: "#b40000" // red - property int lineWidth: lineWidthCtrl.value - property bool fill: true - property bool stroke: true - property real alpha: 1.0 - property real scale : scaleCtrl.value - property real rotate : rotateCtrl.value + id: canvas + + readonly property color strokeStyle: Qt.darker(fillStyle, 1.4) + readonly property color fillStyle: "#b40000" // red + readonly property alias lineWidth: lineWidthCtrl.value + readonly property alias fill: toggleFillCheckBox.checked + readonly property alias stroke: toggleStrokeCheckBox.checked + readonly property real alpha: 1.0 + readonly property alias scale: scaleCtrl.value + readonly property alias rotate: rotateCtrl.value + + width: root.width + height: parent.height - controls.height antialiasing: true - onLineWidthChanged:requestPaint(); - onFillChanged:requestPaint(); - onStrokeChanged:requestPaint(); - onScaleChanged:requestPaint(); - onRotateChanged:requestPaint(); + onLineWidthChanged: requestPaint() + onFillChanged: requestPaint() + onStrokeChanged: requestPaint() + onScaleChanged: requestPaint() + onRotateChanged: requestPaint() - onPaint: { - var ctx = canvas.getContext('2d'); - var originX = 85 - var originY = 75 - ctx.save(); - ctx.clearRect(0, 0, canvas.width, canvas.height); - ctx.translate(originX, originX); - ctx.globalAlpha = canvas.alpha; - ctx.strokeStyle = canvas.strokeStyle; - ctx.fillStyle = canvas.fillStyle; - ctx.lineWidth = canvas.lineWidth; + onPaint: function() { + let ctx = canvas.getContext('2d') + const originX = 85 + const originY = 75 + ctx.save() + ctx.clearRect(0, 0, canvas.width, canvas.height) + ctx.translate(originX, originX) + ctx.globalAlpha = canvas.alpha + ctx.strokeStyle = canvas.strokeStyle + ctx.fillStyle = canvas.fillStyle + ctx.lineWidth = canvas.lineWidth ctx.translate(originX, originY) - ctx.scale(canvas.scale, canvas.scale); - ctx.rotate(canvas.rotate); + ctx.scale(canvas.scale, canvas.scale) + ctx.rotate(canvas.rotate) ctx.translate(-originX, -originY) //! [0] - ctx.beginPath(); - ctx.moveTo(75,40); - ctx.bezierCurveTo(75,37,70,25,50,25); - ctx.bezierCurveTo(20,25,20,62.5,20,62.5); - ctx.bezierCurveTo(20,80,40,102,75,120); - ctx.bezierCurveTo(110,102,130,80,130,62.5); - ctx.bezierCurveTo(130,62.5,130,25,100,25); - ctx.bezierCurveTo(85,25,75,37,75,40); - ctx.closePath(); + ctx.beginPath() + ctx.moveTo(75,40) + ctx.bezierCurveTo(75,37,70,25,50,25) + ctx.bezierCurveTo(20,25,20,62.5,20,62.5) + ctx.bezierCurveTo(20,80,40,102,75,120) + ctx.bezierCurveTo(110,102,130,80,130,62.5) + ctx.bezierCurveTo(130,62.5,130,25,100,25) + ctx.bezierCurveTo(85,25,75,37,75,40) + ctx.closePath() //! [0] if (canvas.fill) - ctx.fill(); + ctx.fill() if (canvas.stroke) - ctx.stroke(); - ctx.restore(); + ctx.stroke() + ctx.restore() } } } Column { id: controls - anchors.bottom: parent.bottom - anchors.bottomMargin: 12 + anchors { + bottom: parent.bottom + bottomMargin: 12 + } LabeledSlider { - id: lineWidthCtrl; name: "Outline"; min: 1; max: 10; init: 2; width: container.width + id: lineWidthCtrl + name: qsTr("Outline") + min: 1 + max: 10 + value: 2 + width: root.width } LabeledSlider { - id: scaleCtrl; name: "Scale"; min: 0.1; max: 10; init: 1; width: container.width + id: scaleCtrl + name: qsTr("Scale") + min: 0.1 + max: 10 + value: 1 + width: root.width } LabeledSlider { - id: rotateCtrl; name: "Rotate"; min: 0; max: Math.PI*2; init: 0; width: container.width + id: rotateCtrl + name: qsTr("Rotate") + min: 0 + max: Math.PI * 2 + value: 0 + width: root.width + } + Row { + CheckBox { + id: toggleFillCheckBox + checked: true + text: qsTr("Toggle fill") + } + CheckBox { + id: toggleStrokeCheckBox + checked: true + text: qsTr("Toggle stroke") + } } } } |