transform

How to rotate an image using Flutter AnimationController and Transform?

落爺英雄遲暮 提交于 2020-05-14 17:46:32
问题 I have star png image and I need to rotate the star using Flutter AnimationController and Transformer. I couldn't find any documents or example for image rotation animation. Any idea How to rotate an image using Flutter AnimationController and Transform? UPDATE: class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin { AnimationController animationController; @override void initState() { super.initState(); animationController = new AnimationController( vsync: this,

Animate SVG with animateTransform (translate + skew)

蓝咒 提交于 2020-04-30 06:23:29
问题 How can I make the red bar skew into the position of the green? I am trying to animate a logo with SVG animation. Therefore I am using skewX and transition for the animateTransform, but somehow only the skewX animation is executed. The transition seems not to work. (if I run the animations without the text part it works, but all together, seems to be conflicting. Updated (to be more clear): The group with the ID "Bar-Falling" has 2 animations: <animateTransform attributeName="transform" type=

how to use split and replace in same expression in liquid json transformation?

本秂侑毒 提交于 2020-04-18 12:33:17
问题 input string - {"testData":"jack%2C LLC,ville%2C LLC,Nav LLC,50 New Hope%2C LLC,"} expected output {"output":"<Value>jack, LLC</Value><Value>ville, LLC</Value><Value>Nav LLC</Value><Value>50 New Hope, LLC</Value>"} for conversion using this - %2C is converted to , comma after converting into value tags so that it does not interfare with the delimiter comma. I tried like below expression {% "output": "<Value>{{ demo | Split: ',' | Last }}</Value>", %} But need to use replace first to replace

how to use split and replace in same expression in liquid json transformation?

左心房为你撑大大i 提交于 2020-04-18 12:32:49
问题 input string - {"testData":"jack%2C LLC,ville%2C LLC,Nav LLC,50 New Hope%2C LLC,"} expected output {"output":"<Value>jack, LLC</Value><Value>ville, LLC</Value><Value>Nav LLC</Value><Value>50 New Hope, LLC</Value>"} for conversion using this - %2C is converted to , comma after converting into value tags so that it does not interfare with the delimiter comma. I tried like below expression {% "output": "<Value>{{ demo | Split: ',' | Last }}</Value>", %} But need to use replace first to replace

CSS3动画积累+动画库+3d动画

China☆狼群 提交于 2020-04-07 09:35:08
一、animates.css animate.css是来自dropbox的工程师Daniel Eden开发的一款CSS3的动画效果小类库。包含了60多款不同类型的CSS3动画,包括:晃动,闪动,各种淡出淡出效果,如果你想快速的整合各种CSS3动画特效的话,使用它即可方便的实现。 查看演示: https://daneden.github.io/animate.css/ github地址: https://github.com/daneden/animate.css 二、magic.css动画库 查看演示: http://www.17sucai.com/pins/demoshow/10001 github地址: https://github.com/miniMAC/magic 三、Effect.css 针对不同UI的CSS3动画和过渡效果集,包含了丰富的CSS3动画和过渡效果,包括: Modal overlay button list listscroll Caption 等等 查看演示: http://www.gbtags.com/gb/linkviewer/3147.htm 四、hover.css Hover.css是一套使用CSS3动画实现的Hover特效集锦,包含了: 2D变形 边框过渡效果 阴影过渡效果 页脚翻转效果 查看演示: http://ianlunn.github

Rotate Parent but not child on hover

岁酱吖の 提交于 2020-04-06 11:16:06
问题 The <figure> element should rotate on hover but not its child, the <img> . Using SCSS only. <figure> has a background slightly bigger than <img> so it gives a border effect. .about__image { margin: 4rem; width: 27rem; height: 27rem; float: left; -webkit-shape-outside: circle(50% at 50% 50%); shape-outside: circle(50% at 50% 50%); -webkit-clip-path: circle(50% at 50% 50%); clip-path: circle(50% at 50% 50%); position: relative; background-image: radial-gradient(at left top, red 25%, blue 55%);

Rotate Parent but not child on hover

天大地大妈咪最大 提交于 2020-04-06 11:15:59
问题 The <figure> element should rotate on hover but not its child, the <img> . Using SCSS only. <figure> has a background slightly bigger than <img> so it gives a border effect. .about__image { margin: 4rem; width: 27rem; height: 27rem; float: left; -webkit-shape-outside: circle(50% at 50% 50%); shape-outside: circle(50% at 50% 50%); -webkit-clip-path: circle(50% at 50% 50%); clip-path: circle(50% at 50% 50%); position: relative; background-image: radial-gradient(at left top, red 25%, blue 55%);

JVM源码分析之javaagent原理完全解读

我只是一个虾纸丫 提交于 2020-04-05 20:58:09
概述 本文重点讲述javaagent的具体实现,因为它面向的是我们Java程序员,而且agent都是用Java编写的,不需要太多的C/C++编程基础,不过这篇文章里也会讲到JVMTIAgent(C实现的),因为javaagent的运行还是依赖于一个特殊的JVMTIAgent。 对于javaagent,或许大家都听过,甚至使用过,常见的用法大致如下: java -javaagent:myagent.jar=mode=test Test 我们通过-javaagent来指定我们编写的agent的jar路径(./myagent.jar),以及要传给agent的参数(mode=test),在启动的时候这个agent就可以做一些我们希望的事了。 javaagent的主要功能如下: 可以在加载class文件之前做拦截,对字节码做修改 可以在运行期对已加载类的字节码做变更,但是这种情况下会有很多的限制,后面会详细说 还有其他一些小众的功能 获取所有已经加载过的类 获取所有已经初始化过的类(执行过clinit方法,是上面的一个子集) 获取某个对象的大小 将某个jar加入到bootstrap classpath里作为高优先级被bootstrapClassloader加载 将某个jar加入到classpath里供AppClassloard去加载 设置某些native方法的前缀

微信小程序学习笔记(七)音乐播放器(正在播放页面)

好久不见. 提交于 2020-04-05 19:23:14
微信小程序学习笔记(七)音乐播放器(正在播放页面) 正在播放页面,目前由于初学,仅仅只显示歌曲图像一个旋转动画。 1.musicdemo.wxml代码 <!--正在播放界面--> <view class="current-play-page" hidden="{{tab!=1}}"> <image src="{{currentPlayMusic.musicImage}}" /> </view> 2.musicdemo.wxss代码 .current-play-page{ height: 80vh; display: flex; justify-content: center; align-items: center; } .current-play-page>image{ width: 300rpx; height: 300rpx; border-radius: 100px; animation: movie1 5s infinite;/*图像旋转动画*/ animation-timing-function:linear;/*开头结尾以相同的速度动画*/ -webkit-animation-timing-function: linear; } /*播放时封面动画*/ @keyframes movie{ 0%{transform: rotate(0deg)} 25%

移动端动画使用transform提升性能

若如初见. 提交于 2020-04-04 07:51:07
在移动端做动画,对性能要求较高 而通常的改变margin属性是性能极低的,即使使用绝对定位改变top,left这些属性性能也很差 因此应该使用transform来进行动画效果,如transform:translateX(100px) 原理: 首先,浏览器绘制 DOM 的过程是这样子的: 获取 DOM 并将其分割为多个层(layer) 将每个层独立地绘制进位图(bitmap)中 将层作为纹理(texture)上传至 GPU 复合(composite)多个层来生成最终的屏幕图像。 left/top/margin 之类的属性会影响到元素在文档中的布局,当对布局(layout)进行动画时,该元素的布局改变可能会影响到其他元素在文档中的位置,就导致了所有被影响到的元素都要进行重新布局,浏览器需要为整个层进行重绘并重新上传到 GPU,造成了极大的性能开销。 transform 属于合成属性(composite property),对合成属性进行 transition/animation 动画将会创建一个合成层(composite layer),这使得被动画元素在一个独立的层中进行动画。通常情况下,浏览器会将一个层的内容先绘制进一个位图中,然后再作为纹理(texture)上 传到 GPU,只要该层的内容不发生改变,就没必要进行重绘(repaint),浏览器会通过重新复合(recomposite