mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-11 02:10:17 +01:00
168 lines
3.2 KiB
HTML
168 lines
3.2 KiB
HTML
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<HTML>
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<HEAD>
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<TITLE>CPia Digital Camera Test Application</TITLE>
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</HEAD>
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<BODY>
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<P>
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This is a test page for grabing frames from a USB Cpia camera
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using the v4l (Video4Linux) SANE module.
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</P>
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<TABLE>
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<TR>
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<TD>
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<CENTER>
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<EMBED type="application/X-sane-plugin"
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name="camera"
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onScanComplete="ScanCompleteCallback()"
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onInitComplete="InitCompleteCallback()"
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device="v4l:/dev/video"
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width="400" height="400"
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line_width="0" line_style="solid">
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</CENTER>
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</TD>
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<TD>
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<CENTER>
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<!-- Start grabbing frames once a second -->
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<INPUT type="button" onclick="start()" value="Start">
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<!-- Stop grabbing frames -->
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<INPUT type="button" onclick="stop()" value="Stop">
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<!-- Save the current image to a file -->
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<INPUT type="button" onclick="save()" value="Save"><BR>
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<input type="button" onclick="doDump()" value="Dump">
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<input type="button"
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onclick="document.camera.nsISanePluginInstance.ScanImage()"
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value="Single Shot">
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</CENTER>
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</TD>
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</TR>
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</TABLE>
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<input type="text" id="status" size="20">
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<!--
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<textarea id="status" rows="20" cols="80"></textarea>
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-->
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<SCRIPT>
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// globals
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var gdelay = 500;
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var multigrab = false;
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var ingrab = false;
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function sdump(str)
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{
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var status = document.getElementById('status');
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status.value = str;
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dump(str + "\n");
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}
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function doDump()
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{
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var aCamera = new Object;
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try {
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aCamera = document.camera.nsISanePluginInstance;
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sdump("ActiveDevice = " + aCamera.ActiveDevice + "\n" +
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"State = " + aCamera.State + "\n" +
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"Quality = " + aCamera.Quality + "\n" +
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"Method = " + aCamera.Method + "\n" +
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"DeviceOptions = " + aCamera.DeviceOptions + "\n" +
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"ImageParameters = " + aCamera.ImageParameters + "\n" +
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"AvailableDevices = " + aCamera.AvailableDevices + "\n");
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} catch (ex) {
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sdump("Error trying dump data: " + ex + "\n");
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}
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}
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function grabImage()
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{
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if (multigrab || ingrab)
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return;
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try {
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document.camera.nsISanePluginInstance.ScanImage();
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} catch (ex) {
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sdump("Error trying to grab image!\n");
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}
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}
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function save()
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{
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document.camera.nsISanePluginInstance.SaveImage();
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}
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function InitCompleteCallback()
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{
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try {
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var aCamera = document.camera.nsISanePluginInstance;
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aCamera.Quality = 100;
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aCamera.ScanImage();
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sdump("Initialization complete!\n");
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} catch (ex) {
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sdump("Error trying to set additional device specific parameters!" + ex);
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}
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}
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function ScanCompleteCallback()
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{
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sdump("Scan Complete!\n");
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ingrab = false;
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if (multigrab)
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window.setTimeout("document.camera.nsISanePluginInstance.ScanImage()",
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gdelay);
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}
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function stop()
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{
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multigrab = false;
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}
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function start()
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{
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if (multigrab)
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return;
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multigrab = true;
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if (!ingrab) {
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try {
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sdump("About to scan image!\n");
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ingrab = true;
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document.camera.nsISanePluginInstance.ScanImage();
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} catch (ex) {
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sdump("Error trying to grab frame!\n" + ex + "\n");
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}
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}
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}
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</SCRIPT>
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</BODY>
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</HTML>
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