请帮我解决这个问题。
1.我在以下位置显示了文字:左:10,上:10。
2.使用viewportTransform将viewPort移至新位置:X轴100和Y轴100平移
3.文本对象移到新位置
预期:
用户可以通过单击文本对象(“ hello world”)来选择文本对象(“ hello world”)。
实际:
第一次,用户无法单击文本对象。 &对象边界仍在旧位置(左:10,上:10)。 (请参阅附件图像)
请检查我的演示代码。
我正在使用Fabricjs 2.4.0版本的此演示
如何解决这个问题?
谢谢 !
var canvasObject = document.getElementById("editorCanvas");
// set canvas equal size with div
$(canvasObject).width($("#canvasContainer").width());
$(canvasObject).height($("#canvasContainer").height());
canvas = new fabric.Canvas('editorCanvas', {
backgroundColor: 'white',
selectionLineWidth: 2,
width: $("#canvasContainer").width(),
height: $("#canvasContainer").height()
});
canvas.controlsAboveOverlay = true;
// Add a text to canvas
var text = new fabric.Text('hello world', { left: 10, top: 10 });
canvas.add(text);
// Transform View
canvas.viewportTransform[4] = 100;
canvas.viewportTransform[5] = 100;
canvas.requestRenderAll();
#canvasContainer {
width: 100%;
height: 100vh;
background-color: gray;
}
<script src="https://code.jquery.com/jquery-3.3.1.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/2.4.0/fabric.js"></script>
<div id="canvasContainer">
<canvas id="editorCanvas"></canvas>
</div>
答案 0 :(得分:1)
调用object.setCoords(),它将在更改后设置边界坐标。然后检查When-to-call-setCoords
演示
var canvasObject = document.getElementById("editorCanvas");
// set canvas equal size with div
$(canvasObject).width($("#canvasContainer").width());
$(canvasObject).height($("#canvasContainer").height());
canvas = new fabric.Canvas('editorCanvas', {
backgroundColor: 'white',
selectionLineWidth: 2,
width: $("#canvasContainer").width(),
height: $("#canvasContainer").height()
});
canvas.controlsAboveOverlay = true;
// Add a text to canvas
var text = new fabric.Text('hello world', {
left: 10,
top: 10
});
canvas.add(text);
// Transform View
canvas.viewportTransform[4] = 100;
canvas.viewportTransform[5] = 100;
setObjectCoords();
canvas.requestRenderAll();
function setObjectCoords(){
canvas.forEachObject(function(object){
object.setCoords();
})
}
#canvasContainer {
width: 100%;
height: 100vh;
background-color: gray;
}
<script src="https://code.jquery.com/jquery-3.3.1.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/2.4.0/fabric.js"></script>
<div id="canvasContainer">
<canvas id="editorCanvas"></canvas>
</div>