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37 lines
978 B
37 lines
978 B
const input = document.getElementById('imgI') |
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const dlarea = document.getElementById('dlarea') |
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input.addEventListener('change', load) |
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var files |
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function load(){ |
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files = this.files; |
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for(var i= 0; files.length > i ; i++){ |
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process(files[i]) |
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} |
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} |
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function process(file){ |
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if(!file.type.match('image.*')){ |
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return alert('Solo funciona con imágenes') |
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} |
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var fr = new FileReader() |
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fr.readAsDataURL(file) |
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fr.onload = (e)=>{ |
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if( e.target.readyState == FileReader.DONE) { |
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var img = new Image() |
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var cv = document.createElement('canvas') |
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var ctx = cv.getContext('2d') |
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img.src = e.target.result |
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img.onload = ()=>{ |
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cv.width = img.width |
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cv.height = img.height |
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ctx.drawImage(img, 0, 0) |
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var url = cv.toDataURL(file.type) |
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var a = document.createElement('a') |
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a.href = url |
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a.innerHTML = file.name |
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a.download = file.name |
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dlarea.appendChild(a) |
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} |
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} |
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} |
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}
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