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Chapter 5: Analog Video Driver Properties
If the checkbox is checked, key coloring is
activated. The five radio buttons are activated.
You can select one of four standard colors – dark
grey, medium grey, cyan, or magenta – or a
custom color. It you select Other, for a custom
color, the three edit boxes – Red, Green, Blue
– are activated, and you can enter any color
value into these boxes.
The key color specification must be exact – visual
similarity is not enough. If you have a pre-
existing graphic with an unknown background
color, you will have to either get the exact RGB
value from you draw or photo program, or fill the
key-colored regions with a known color of your
choosing.
The Transparent checkbox enables a
translucency effect in which the color of each
pixel of the logo is averaged with the color of
the underlying video. This effect can be used
in combination with a key color – key coloring
is applied first, then the transparency effect is
applied to the remaining non-key-colored logo
pixels.
Logo Position and Size
The Logo Position and Size sub-page (figure 16)
lets you position and scale the logo. It is strongly
recommended that you have preview video
running when you use these controls.
The large indented rectangular area at the top
of this sub-page represents the video area
where the logo can be positioned. The smaller
rectangle represents the logo. To position the
logo, click on the logo rectangle and drag it to
the new position.
The four “Nudge” buttons, L, R, U, and D, move
the logo left, right, up, or down exactly one
pixel at a time on the output video. Since the
positioning rectangle may be scaled down from
the full video size, the Nudge buttons allow more
accurate positioning of the logo.
The slide control at the bottom right of this
sub-page controls the scaling of the logo. The
[1X Scale] button returns the size to the original
size of the .bmp graphic. The quality of a scaled
image will not be as good as the quality of the 1X
The Logo Position and Size sub-page
16
Summary of Contents for Osprey-300
Page 1: ...Osprey 300 User s Guide...
