Docs » Autodocs » graphics.library » WritePixelArray8
WritePixelArray8 -- write the pen number value of a rectangular array
of pixels starting at a specified x,y location and continuing
through to another x,y location within a certain RastPort. (V36)
count = WritePixelArray8(rp,xstart,ystart,xstop,ystop,array,temprp)
D0 A0 D0:16 D1:16 D2:16 D3:16 A2 A1
LONG WritePixelArray8(struct RastPort *, UWORD, UWORD,
UWORD, UWORD, UBYTE *, struct RastPort *);
For each pixel in a rectangular region, decode the pen number selector
from a linear array of pen numbers into the bit-planes used to describe
a particular rastport.
rp - pointer to a RastPort structure
(xstart,ystart) - starting point in the RastPort
(xstop,ystop) - stopping point in the RastPort
array - pointer to an array of UBYTEs from which to fetch the
pixel data. Allocate at least
((((width+15)>>4)<<4)*(ystop-ystart+1)) bytes.
temprp - temporary rastport (copy of rp with Layer set == NULL,
temporary memory allocated for
temprp->BitMap with Rows set == 1,
temprp->BitMap with BytesPerRow == (((width+15)>>4)<<1),
and temporary memory allocated for
temprp->BitMap->Planes[])
count will be set to the number of pixels plotted.
xstop must be >= xstart
ystop must be >= ystart
WritePixel(), <graphics/rastport.h>
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