We have a dynamically created div that is displaying a camera's video via a plugin (vlc) with rtsp capabilities. Our users need the ability to save the current image to a file (.png, jpg, bmp, etc). Since the plugin doesn't have a method to save a snapshot, we would like scrape / take a screenshot of what is being shown in the div and save it to a file.
The div and its contents are created dynamically in the code behind and added to a placeholder defined in the aspx markup (actually, several camera divs are created in a table and added to placeholder). For IE, the plugin is hosted in an object tag and added to the div. For non IE browsers, the plugin is hosted in an embed tag. The plugin's rtsp source is selected by the user at runtime.
The video is displayed in the div without problems. My question is, how do I save what is displayed in the div to a file?
I've seen some mention of doing this in code-behind. But I am ...
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