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ispriter's Issues

关于合并图片的建议

有没有可能合并后的图片采用写定位的方式把相应链接图片合并成一个 比如:现在的方式;

div:nth-of-type(8) {width: 20px; height: 20px; background: url(./img/sprite_main_1.png) -268px -106px;}
div:nth-of-type(9) {width: 79px; height: 18px; background: url(./img/sprite_main_1.png) -84px -212px;}
div:nth-of-type(10) {width: 16px; height: 16px; background: url(./img/sprite_main_1.png) -268px -131px;}

新的方式:

div:nth-of-type(8),div:nth-of-type(9),div:nth-of-type(10) {background: url(./img/sprite_main_1.png) no-repeat;}
div:nth-of-type(8) {width: 20px; height: 20px; background-position:-268px -106px;}
div:nth-of-type(9) {width: 79px; height: 18px; background-position: -84px -212px;}
div:nth-of-type(10) {width: 16px; height: 16px; background-position: -268px -131px;}

这样会不会好一些.总觉得写一堆一样的图片链接地址有些累赘.

读取PNG文件不执行回调函数

这个问题倒是蛮奇怪的,我这里就没成功过,在创建文件读取流的之前我打印出图片的地址,那个文件的确是存在的,但是确不触发这个parsed的事件,代码如下

function readImageInfo(fileName, callback){
    fileName = path.join(spriteConfig.workspace, fileName);
    fs.createReadStream(fileName).pipe(new PNG())
    .on('parsed', function() {
        console.log('parsed')
        ...
    })   
    ... 
}

这里是我的配置

var spriteConfig = { 
    'workspace': './',
    'input': {
        'cssSource': './asset/css/index.css'
    },  
    'output': {
        'cssDist': './asset/css/dist/',
        'imageDist': './asset/image/sprite/'
    }   
};

智能给没有设置宽高的样式增加宽高

给没有设置宽高的 style 加上图片的宽高来做为样式宽高, 不能单纯的加, 要加上智能判断:当前上下文有没有相同的 selector 已经设置过宽高, 有就不能加

渐变色兼容

    background-image: -owg-linear-gradient(top, transparent, rgba(0, 0, 0, 0.5));
    background-image: -webkit-linear-gradient(top, transparent, rgba(0, 0, 0, 0.5));
    background-image: -moz-linear-gradient(top, transparent, rgba(0, 0, 0, 0.5));
    background-image: -o-linear-gradient(top, transparent, rgba(0, 0, 0, 0.5));
    background-image: linear-gradient(top, transparent, rgba(0, 0, 0, 0.5));

ispriter会只保留一个background-image

支持retina屏

貌似目前都是按px 1:1处理的,请问暂时是不是不支持移动设备上2x的方式,后面有没有计划支持呢

gif图好像不能合

gif图好像不能合,现在只能合并png图吗?

另外,如果合并单独几个图片为一张,命令应该怎么写呢。

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