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44 | DDirectBlt
DDirectBlt
(Obsolete in Windows 2000)
Purpose Use
from the host to the screen(s).
Syntax
DWORD DDirectBlt (hdc, DestX, DestY, SrcX, SrcY,
to provide a direct transfer of image data
DDirectBlt
Width, Height, SrcStride, lpSrc)
Parameter
Type
Name
HDC
hdc
int
DestX,
DestY
int
SrcX, SrcY
int
Width
int
Height
int
SrcStride
void *
lpSrc
Description
Handle to the display-device
context.
Destination screen
coordinates. The top-left
corner of the top-left screen
is 0,0. This function splits
the transfer among screens,
if necessary.
Pixel offsets into the source
buffer where the transfer
starts.
Number of pixel columns to
transfer.
Number of pixel rows to
transfer.
Number of bytes from the
beginning of one source line
to the beginning of the next
source line.
Pointer to the source buffer.
The source buffer image must
have the same bits per pixel
as the screen.
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