142 lines
3.7 KiB
HTML
142 lines
3.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Test！</title>
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<meta charset="utf-8"/>
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<script src="sane.js"></script>
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</head>
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<body>
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<p>
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<h1>Test！</h1>
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<select id="devicenames" style="width:200px; height:25px;">
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</select>
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<input id="getdevices" type="button" value="获取设备列表" onclick="getdevices()" /><br>
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<label for="showbase64">转换成Base64：</label>
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<input type="checkbox" id="showbase64"><br>
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<label for="source">单/双面：</label>
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<select id="source">
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<option value="Adf-front">Adf-front</option>
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<option value="Adf-duplex" selected>Adf-duplex</option>
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</select><br>
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<label for="mode">颜色模式：</label>
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<select id="mode">
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<option value="Lineart">Lineart</option>
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<option value="Gray">Gray</option>
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<option value="Color" selected>Color</option>
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</select><br>
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<label for="resolution">分辨率：</label>
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<input type="number" id="resolution" min="1" max="600" value="200" step="1"><br>
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<input id="scan" type="button" value="扫描" onclick="scan()" /><br>
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<input id="cleardata" type="button" value="清理" onclick="cleardata()" />
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</p>
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<p>
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<img id="myCanvas" width='640' height='480' style="background-color: black;"/>
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</p>
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<p>
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<input type="text" id="pathinfo" style="width:640px; height:40px;" />
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</p>
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<p>
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<input type="text" id="errinfo" style="width:640px; height:40px;" />
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</p>
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<script>
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function onInitFunc()
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{
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getdevices();
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}
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function onGetDevicesFunc(devs)
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{
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//alert(JSON.stringify(devs));
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var select = document.getElementById('devicenames');
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select.innerHTML = "";
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for (var i = 0; i < devs.length; ++i)
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{
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var option = document.createElement('option');
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option.value = devs[i];
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option.textContent = devs[i];
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select.appendChild(option);
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}
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}
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function onScanOneFileDoneFunc(datatype, imgtype, imgpath, imgbase64data)
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{
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if (imgpath)
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{
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var pathinfo = document.getElementById('pathinfo');
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pathinfo.value = imgpath;
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}
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if (imgbase64data)
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{
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var myCanvas = document.getElementById("myCanvas");
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myCanvas.src = imgbase64data;
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}
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}
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function onErrorMessageFunc(errormsg)
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{
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var errinfo = document.getElementById('errinfo');
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errinfo.value = errormsg;
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}
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function getdevices()
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{
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var errinfo = document.getElementById('errinfo');
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errinfo.value = "";
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sane.getdevices();
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}
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function scan()
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{
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var pathinfo = document.getElementById('pathinfo');
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pathinfo.value = "";
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var errinfo = document.getElementById('errinfo');
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errinfo.value = "";
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var myCanvas = document.getElementById("myCanvas");
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myCanvas.src = 'placeholder.png';
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sane.showbase64 = document.getElementById('showbase64').checked;
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sane.source = document.getElementById('source').value;
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sane.mode = document.getElementById('mode').value;
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sane.resolution = parseInt(document.getElementById('resolution').value, 10);
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sane.scan(document.getElementById('devicenames').value);
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}
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function cleardata()
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{
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var errinfo = document.getElementById('errinfo');
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errinfo.value = "";
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sane.clear();
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}
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window.onload = function()
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{
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var pathinfo = document.getElementById('pathinfo');
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pathinfo.value = "";
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var errinfo = document.getElementById('errinfo');
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errinfo.value = "";
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var myCanvas = document.getElementById("myCanvas");
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myCanvas.src = 'placeholder.png';
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sane.registerevent("OnInit", onInitFunc);
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sane.registerevent("OnGetDevices", onGetDevicesFunc);
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sane.registerevent("OnScanOneFileDone", onScanOneFileDoneFunc);
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sane.registerevent("OnErrorMessage", onErrorMessageFunc);
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sane.init(38999, true);
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}
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window.onbeforeunload = function()
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{
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sane.deinit();
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}
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</script>
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</body>
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</html>
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