- REQUIRED METHODS
Device::WebIO::Device::StillImageOutput - Role for still images
Return the number of video channels.
img_height( $channel );
Return the height of the video for the given channel.
img_width( $channel );
Return the width of the video for the given channel.
img_quality( $channel );
Return the quality of the compression. For JPEG, this would be 0 through 100.
img_set_width( $channel, $width );
Set the width of the video for the given channel.
img_set_height( $channel, $height );
Set the height of the video for the given channel.
img_set_quality( $channel, $quality );
Set the quality of compression. For JPEG, this would be 0 through 100.
img_allowed_content_types( $channel );
Return a list of supported MIME types by the given channel.
img_stream( $channel, $type );
Return a filehandle for reading the image stream for the given channel.
$type must be one of the types returned by
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