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Edge types and key fill/key source positions
The edge modification functions have two modes: the "4H DROP ON"
mode, in which the key fill/key source position moves down by four scan
lines, and the "4H DROP OFF" mode, in which the key fill/key source
position does not move down (with the exception of a border and an outline,
for which the key fill/key source moves down by four scan lines irrespective
of the modes).
• In the "4H DROP ON" mode, the width adjustment range for a drop border
or shadow is narrower.
• In the "4H DROP OFF" mode, the width adjustment range for a drop border
or shadow is wider.
Relation between edge type and key fill and key source positions
Edge type
Border or outline
Normal edge, drop
"4H DROP ON"
border, or shadow
mode
"4H DROP OFF"
mode
a) When the selected key type is a pattern key, the key fill position does not move down.
To toggle between "4H DROP ON" and "4H DROP OFF" modes, press F6
(4H DROP).
Key source/fill position
a)
Down four lines
Down four lines
No movement
Chapter 4 Basic Operations for Image Creation
4-49
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