Javascript 我通过kinetic创建draw image 2 image,但我可以';t单击按钮,然后移动到顶部()
请帮帮我。我通过kinetic-v5.0.1.min.js创建draw image 2 image。但我不能点击按钮然后移动到顶部 代码Javascript 我通过kinetic创建draw image 2 image,但我可以';t单击按钮,然后移动到顶部(),javascript,canvas,Javascript,Canvas,请帮帮我。我通过kinetic-v5.0.1.min.js创建draw image 2 image。但我不能点击按钮然后移动到顶部 代码 身体{ 边际:0px; 填充:0px; } #容器{ 边框:1px纯色灰色; 宽度:80%; } 将黄色框移到顶部 var click_totop=null; 函数更新(activeAnchor){ var group=activeAnchor.getParent(); var topLeft=group.find('.topLeft')[0]; var t
身体{
边际:0px;
填充:0px;
}
#容器{
边框:1px纯色灰色;
宽度:80%;
}
将黄色框移到顶部
var click_totop=null;
函数更新(activeAnchor){
var group=activeAnchor.getParent();
var topLeft=group.find('.topLeft')[0];
var topRight=group.find('.topRight')[0];
var bottomRight=group.find('.bottomRight')[0];
var bottomLeft=group.find('.bottomLeft')[0];
var image=group.find('.image')[0];
var anchorX=activeAnchor.x();
var anchorY=activeAnchor.y();
//更新锚点位置
开关(activeAnchor.name()){
案例“左上角”:
右上角.y(锚定);
左下角.x(anchorX);
打破
案例“右上角”:
左上角。y(锚定);
右下角.x(anchorX);
打破
案例“右下角”:
左下角.y(锚定);
右上角.x(主播x);
打破
案例“左下角”:
右下角.y(锚定);
左上角.x(anchorX);
打破
}
image.setPosition(topLeft.getPosition());
var width=topRight.x()-topLeft.x();
var height=bottomLeft.y()-topLeft.y();
if(宽度和高度){
setSize({width:width,height:height});
}
}
函数addAnchor(组、x、y、名称){
var stage=group.getStage();
var layer=group.getLayer();
var-toptop=null;
var anchor=新的动力学圆({
x:x,
y:y,
笔划:'#666',
填写:“#ddd”,
冲程宽度:2,
半径:8,
姓名:姓名,,
真的,
龙顶:错
});
anchor.on('dragmove',function(){
更新(本);
layer.draw();
});
on('mousedown touchstart',function(){
组。可设置拖动(false);
这是moveToTop();
});
on('dragend',function(){
group.SetDragable(真);
layer.draw();
});
//添加悬停样式
on('mouseover',function(){
var layer=this.getLayer();
document.body.style.cursor='pointer';
这是设置行程宽度(4);
layer.draw();
});
anchor.on('mouseout',function(){
var layer=this.getLayer();
document.body.style.cursor='default';
这是冲程宽度(2);
layer.draw();
});
//试验
顶部=锚;
组。添加(锚定);
}
函数loadImages(源、回调){
var图像={};
var loadedImages=0;
var numImages=0;
用于(源中的var src){
numImages++;
}
用于(源中的var src){
图像[src]=新图像();
图像[src].onload=function(){
如果(++LoadeImage>=numImages){
回调(图像);
}
};
图像[src].src=源[src];
}
}
函数初始化阶段(图像){
var阶段=新的动力学阶段({
容器:'容器',
宽度:469,
身高:637
});
var darthVaderGroup=新的动力学组({
x:2,
y:2,
德拉格布尔:是的
});
var yodaGroup=新的动力学组({
x:2,
y:2,
德拉格布尔:是的
});
var layer=新的动能层();
/*
*继续添加组
*到图层和到图层的图层
*阶段,使小组有知识
*它的层次和阶段
*/
单击_totop=darthVaderGroup;
图层添加(darthVaderGroup);
图层添加(yodaGroup);
阶段。添加(层);
//达斯维德
var darthVaderImg=新动能图({
x:0,,
y:0,
image:images.darthVader,
宽度:469,
身高:637,
名称:“图像”
});
添加(darthVaderImg);
addAnchor(darthVaderGroup,0,0,'左上');
addAnchor(darthVaderGroup,469,0,'右上角');
addAnchor(darthVaderGroup,469637,“右下角”);
addAnchor(darthVaderGroup,0637,“左下角”);
darthVaderGroup.on('单击',函数()){
这是moveToTop();
});
//尤达
var yodaImg=新的动力学图像({
x:0,,
y:0,
图片:images.yoda,
宽度:469,
身高:637,
名称:“图像”
});
yodaGroup.add(yodaImg);
addAnchor(yodaGroup,0,0,'左上');
addAnchor(yodaGroup,469,0,'topRight');
addAnchor(yodaGroup,469637,“右下角”);
addAnchor(yodaGroup,0637,'bottomLeft');
yodaGroup.on('dragstart',function()){
这是moveToTop();
});
stage.draw();
}
风险值来源={
darthVader:'user.jpg'
,尤达:“cover.png”
};
loadImages(源、初始阶段);
document.getElementById(“toTop”).addEventListener(“单击”,函数(){
警报(点击按钮);
单击_totop.moveToTop();
layer.draw();
},假);
我用了两张图片。我点击按钮1图像1移动到顶部,如果我点击按钮2图像2移动到顶部。请帮帮我。你有什么问题?从这个链接中,我需要一个按钮来单击以将层移动到顶部
<!DOCTYPE HTML>
<html>
<head>
<style>
body {
margin: 0px;
padding: 0px;
}
#container{
border: 1px solid gray;
width: 80%;
}
</style>
</head>
<body onmousedown="return false;">
<center>
<button id="toTop">
Move yellow box to top
</button>
<div id="container">
</div>
</center>
<script src="kinetic-v5.0.1.min.js"></script>
<script>
var click_totop = null;
function update(activeAnchor) {
var group = activeAnchor.getParent();
var topLeft = group.find('.topLeft')[0];
var topRight = group.find('.topRight')[0];
var bottomRight = group.find('.bottomRight')[0];
var bottomLeft = group.find('.bottomLeft')[0];
var image = group.find('.image')[0];
var anchorX = activeAnchor.x();
var anchorY = activeAnchor.y();
// update anchor positions
switch (activeAnchor.name()) {
case 'topLeft':
topRight.y(anchorY);
bottomLeft.x(anchorX);
break;
case 'topRight':
topLeft.y(anchorY);
bottomRight.x(anchorX);
break;
case 'bottomRight':
bottomLeft.y(anchorY);
topRight.x(anchorX);
break;
case 'bottomLeft':
bottomRight.y(anchorY);
topLeft.x(anchorX);
break;
}
image.setPosition(topLeft.getPosition());
var width = topRight.x() - topLeft.x();
var height = bottomLeft.y() - topLeft.y();
if(width && height) {
image.setSize({width:width, height: height});
}
}
function addAnchor(group, x, y, name) {
var stage = group.getStage();
var layer = group.getLayer();
var toptop = null;
var anchor = new Kinetic.Circle({
x: x,
y: y,
stroke: '#666',
fill: '#ddd',
strokeWidth: 2,
radius: 8,
name: name,
draggable: true,
dragOnTop: false
});
anchor.on('dragmove', function() {
update(this);
layer.draw();
});
anchor.on('mousedown touchstart', function() {
group.setDraggable(false);
this.moveToTop();
});
anchor.on('dragend', function() {
group.setDraggable(true);
layer.draw();
});
// add hover styling
anchor.on('mouseover', function() {
var layer = this.getLayer();
document.body.style.cursor = 'pointer';
this.setStrokeWidth(4);
layer.draw();
});
anchor.on('mouseout', function() {
var layer = this.getLayer();
document.body.style.cursor = 'default';
this.strokeWidth(2);
layer.draw();
});
// test
toptop = anchor;
group.add(anchor);
}
function loadImages(sources, callback) {
var images = {};
var loadedImages = 0;
var numImages = 0;
for(var src in sources) {
numImages++;
}
for(var src in sources) {
images[src] = new Image();
images[src].onload = function() {
if(++loadedImages >= numImages) {
callback(images);
}
};
images[src].src = sources[src];
}
}
function initStage(images) {
var stage = new Kinetic.Stage({
container: 'container',
width: 469,
height: 637
});
var darthVaderGroup = new Kinetic.Group({
x: 2,
y: 2,
draggable: true
});
var yodaGroup = new Kinetic.Group({
x: 2,
y: 2,
draggable: true
});
var layer = new Kinetic.Layer();
/*
* go ahead and add the groups
* to the layer and the layer to the
* stage so that the groups have knowledge
* of its layer and stage
*/
click_totop = darthVaderGroup;
layer.add(darthVaderGroup);
layer.add(yodaGroup);
stage.add(layer);
// darth vader
var darthVaderImg = new Kinetic.Image({
x: 0,
y: 0,
image: images.darthVader,
width: 469,
height: 637,
name: 'image'
});
darthVaderGroup.add(darthVaderImg);
addAnchor(darthVaderGroup, 0, 0, 'topLeft');
addAnchor(darthVaderGroup, 469, 0, 'topRight');
addAnchor(darthVaderGroup, 469, 637, 'bottomRight');
addAnchor(darthVaderGroup, 0, 637, 'bottomLeft');
darthVaderGroup.on('click', function() {
this.moveToTop();
});
// yoda
var yodaImg = new Kinetic.Image({
x: 0,
y: 0,
image: images.yoda,
width: 469,
height: 637,
name: 'image'
});
yodaGroup.add(yodaImg);
addAnchor(yodaGroup, 0, 0, 'topLeft');
addAnchor(yodaGroup, 469, 0, 'topRight');
addAnchor(yodaGroup, 469, 637, 'bottomRight');
addAnchor(yodaGroup, 0, 637, 'bottomLeft');
yodaGroup.on('dragstart', function() {
this.moveToTop();
});
stage.draw();
}
var sources = {
darthVader: 'user.jpg'
,yoda: 'cover.png'
};
loadImages(sources, initStage);
document.getElementById("toTop").addEventListener("click", function() {
alert(click_totop);
click_totop.moveToTop();
layer.draw();
}, false);
</script>
</body>
</html>