Docs » Autodocs » graphics.library » ScrollVPort
ScrollVPort -- Reinterpret RasInfo information in ViewPort to reflect
the current Offset values.
ScrollVPort( vp )
a0
void ScrollVPort(struct ViewPort *vp);
After the programmer has adjusted the Offset values in
the RasInfo structures of ViewPort, change the
the copper lists to reflect the the Scroll positions.
Changing the BitMap ptr in RasInfo and not changing the
the Offsets will effect a double buffering affect.
vp - pointer to a ViewPort structure
that is currently be displayed.
modifies hardware and intermediate copperlists to reflect
new RasInfo
pokes not fast enough to avoid some visible hashing of display (V37)
This function was re-written in V39 and is ~10 times faster than
before.
MakeVPort(), MrgCop(), LoadView(), <graphics/view.h>
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