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context . font = "bold 14px sans" ;
context . fillStyle = "#FFFF00" ;
context . fillText ( tempMessage . message , tempMessage . x ,
tempMessage . y );
Figure 6-8. Canvas video displaying text overlay events
Of course, this is a very simple way to create events. The various text messages will not dis-
appear after others are created, but that is just a small detail. The point of this exercise is that,
with code like this, you could do almost anything with a running video. You could pause the
video, show an animation, and then continue after the animation is done. Or you could pause
to ask the user for input and then load a different video. Essentially, you can make the video
completely interactive in any way you choose. The model for these events could be very sim-
ilar to the one we just created.
Example 6-8 provides the full code listing for this application.
Example 6-8. Creating simple video events
<!doctype html>
<html lang= "en" >
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