Javascript 拖动原始图像时打印图像副本
在“我想要”中,当在容器中拖动图像时,我想要在垂直的x、y坐标处打印图像副本,并且之前绘制的图像应该被擦除。我如何才能做到这一点?请帮助我 JS代码Javascript 拖动原始图像时打印图像副本,javascript,kineticjs,draggable,Javascript,Kineticjs,Draggable,在“我想要”中,当在容器中拖动图像时,我想要在垂直的x、y坐标处打印图像副本,并且之前绘制的图像应该被擦除。我如何才能做到这一点?请帮助我 JS代码 $(function(){ var $house=$("#house"); $house.hide(); var $stageContainer=$("#container"); var stageOffset=$stageContainer.offset(); v
$(function(){
var $house=$("#house");
$house.hide();
var $stageContainer=$("#container");
var stageOffset=$stageContainer.offset();
var offsetX=stageOffset.left;
var offsetY=stageOffset.top;
var stage = new Kinetic.Stage({
container: 'container',
width: 350,
height: 350
});
var layer = new Kinetic.Layer();
stage.add(layer);
var image1=new Image();
image1.onload=function(){
$house.show();
}
image1.src="http://vignette1.wikia.nocookie.net/angrybirds/images/b/b6/Small.png/revision/latest?cb=20120501022157";
// make the toolbar image draggable
$house.draggable({
helper:'clone',
});
$house.data("url","house.png"); // key-value pair
$house.data("width","32"); // key-value pair
$house.data("height","33"); // key-value pair
$house.data("image",image1); // key-value pair
$stageContainer.droppable({
drop:dragDrop,
});
function dragDrop(e,ui){
var x=parseInt(ui.offset.left-offsetX);
var y=parseInt(ui.offset.top-offsetY);
var element=ui.draggable;
var data=element.data("url");
var theImage=element.data("image");
var image = new Kinetic.Image({
name:data,
x:x,
y:y,
image:theImage,
draggable: true,
dragBoundFunc: function(pos) {
return {
x: pos.x,
y: this.getAbsolutePosition().y
}
}
});
image.on("dragend", function() {
var points = image.getPosition();
//alert(points.x + ',' + points.y);
var image1 = new Kinetic.Image({
name: data,
id: "imageantry",
x: points.x+65,
y: points.y,
image: theImage,
draggable: false
});
layer.add(image1);
layer.draw();
});
image.on('dblclick', function() {
image.remove();
layer.draw();
});
layer.add(image);
layer.draw();
}
}); // end $(function(){});
HTML代码
<div id="toolbar">
<img id="house" width=32 height=32 src="http://vignette1.wikia.nocookie.net/angrybirds/images/b/b6/Small.png/revision/latest?cb=20120501022157"><br>
</div>
<div id="container"></div>
原型
正文{padding:20px;}
#容器{
边框:实心1px#ccc;
边缘顶部:10px;
宽度:350px;
高度:350px;
}
#工具栏{
宽度:350px;
高度:35px;
边框:纯色1px蓝色;
}
$(函数(){
var$house=$(“#house”);
$house.hide();
变量$stageContainer=$(“#容器”);
var stageOffset=$stageContainer.offset();
var offsetX=stageOffset.left;
var offsetY=stageOffset.top;
var阶段=新的动力学阶段({
容器:'容器',
宽度:350,
身高:350
});
var layer=新的动能层();
阶段。添加(层);
var image1=新图像();
image1.onload=函数(){
$house.show();
}
图1.src=”http://vignette1.wikia.nocookie.net/angrybirds/images/b/b6/Small.png/revision/latest?cb=20120501022157";
$house.draggable({
助手:'clone',
});
$house.data(“url”、“house.png”);//键值对
$house.data(“宽度”,“32”);//键值对
$house.data(“height”,“33”);//键值对
$house.data(“image”,image1);//键值对
$stageContainer.droppable({
下降:dragDrop,
});
函数dragDrop(e,ui){
var x=parseInt(ui.offset.left offsetX);
var y=parseInt(ui.offset.top-offsetY);
var元素=ui.draggable;
var数据=元素数据(“url”);
var theImage=element.data(“图像”);
var image=新的动能图像({
名称:数据,,
x:x,
y:y,
图片:theImage,
真的,
dragBoundFunc:函数(位置){
返回{
x:pos.x,
y:this.getAbsolutePosition().y
}
}
});
//获取图像位置。
var w=0;
var-obj;
图像.on(“Draged”,函数(e){
w=w+1;
var points=image.getPosition();
如果(w>1){
obj=stage.get(“#imagentry”)
obj.remove();
}
var image2=新的动力学图像({
名称:数据,,
id:“图像”,
x:点数。x+75,
y:积分,y,
图片:theImage,
可拖动:错误
});
添加图层(图2);
layer.draw();
});
on('dblclick',function()){
image.remove();
layer.draw();
});
图层。添加(图像);
layer.draw();
}
}); // end$(函数(){});
你的小提琴不就是这么做的吗?这对我有用@DanielB我用小提琴试过了,但没用…我想抹掉以前画的副本image@DanielB将图像放入容器后,当我在容器中拖动图像时,我希望删除以前绘制的副本图像
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Prototype</title>
<script type="text/javascript" src="http://code.jquery.com/jquery.min.js"></script>
<script src="http://d3lp1msu2r81bx.cloudfront.net/kjs/js/lib/kinetic-v4.7.2.min.js"> </script>
<script src="http://code.jquery.com/ui/1.9.2/jquery-ui.min.js"></script>
<style>
body{padding:20px;}
#container{
border:solid 1px #ccc;
margin-top: 10px;
width:350px;
height:350px;
}
#toolbar{
width:350px;
height:35px;
border:solid 1px blue;
}
</style>
<script>
$(function(){
var $house=$("#house");
$house.hide();
var $stageContainer=$("#container");
var stageOffset=$stageContainer.offset();
var offsetX=stageOffset.left;
var offsetY=stageOffset.top;
var stage = new Kinetic.Stage({
container: 'container',
width: 350,
height: 350
});
var layer = new Kinetic.Layer();
stage.add(layer);
var image1=new Image();
image1.onload=function(){
$house.show();
}
image1.src="http://vignette1.wikia.nocookie.net/angrybirds/images/b/b6/Small.png/revision/latest?cb=20120501022157";
$house.draggable({
helper:'clone',
});
$house.data("url","house.png"); // key-value pair
$house.data("width","32"); // key-value pair
$house.data("height","33"); // key-value pair
$house.data("image",image1); // key-value pair
$stageContainer.droppable({
drop:dragDrop,
});
function dragDrop(e,ui){
var x=parseInt(ui.offset.left-offsetX);
var y=parseInt(ui.offset.top-offsetY);
var element=ui.draggable;
var data=element.data("url");
var theImage=element.data("image");
var image = new Kinetic.Image({
name:data,
x:x,
y:y,
image:theImage,
draggable: true,
dragBoundFunc: function(pos) {
return {
x: pos.x,
y: this.getAbsolutePosition().y
}
}
});
//get image position.
var w=0;
var obj;
image.on("dragend", function(e) {
w=w+1;
var points = image.getPosition();
if(w>1){
obj = stage.get('#imageantry')
obj.remove();
}
var image2 = new Kinetic.Image({
name: data,
id: "imageantry",
x: points.x+75,
y: points.y,
image: theImage,
draggable: false
});
layer.add(image2);
layer.draw();
});
image.on('dblclick', function() {
image.remove();
layer.draw();
});
layer.add(image);
layer.draw();
}
}); // end $(function(){});
</script>
</head>
<body>
<div id="toolbar">
<img id="house" width=32 height=32 src="http://vignette1.wikia.nocookie.net/angrybirds/images/b/b6/Small.png/revision/latest?cb=20120501022157"><br>
</div>
<div id="container"></div>
</body>
</html>