windows-nt/Source/XPSP1/NT/multimedia/media/avi/drawdib.16/setdi32.asm

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2020-09-26 03:20:57 -05:00
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;----------------------------Module-Header------------------------------;
; Module Name: SETDI32.ASM
;
; move bits from one DIB format into another. doing color conversion if
; needed.
;
; convert_8_32
; convert_16_32
; convert_24_32
; convert_32_32
;
; NOTES:
;
; AUTHOR: ToddLa (Todd Laney) Microsoft
;
;-----------------------------------------------------------------------;
?PLM=1
?WIN=0
.xlist
include cmacro32.inc
include windows.inc
.list
sBegin Data
sEnd Data
ifndef SEGNAME
SEGNAME equ <_TEXT32>
endif
.386
createSeg %SEGNAME, CodeSeg, word, public, CODE
sBegin CodeSeg
assumes cs,CodeSeg
assumes ds,nothing
assumes es,nothing
;--------------------------------------------------------------------------;
;--------------------------------------------------------------------------;
nxtscan macro reg, next_scan, fill_bytes
ifb <fill_bytes>
add e&reg,next_scan
else
mov eax,e&reg
add e&reg,next_scan
cmp ax,reg
sbb eax,eax
and eax,fill_bytes
add e&reg,eax
endif
endm
;--------------------------------------------------------------------------;
;
; convert_8_32
;
;--------------------------------------------------------------------------;
assumes ds,nothing
assumes es,nothing
cProc convert_8_32,<FAR,PUBLIC,PASCAL>,<esi,edi,ds>
ParmD dst_ptr ; --> dst.
ParmD dst_offset ; offset to start at
ParmD dst_next_scan ; dst_next_scan.
ParmD dst_fill_bytes ; dst_fill_bytes
ParmD src_ptr ; --> src.
ParmD src_offset ; offset to start at
ParmD src_next_scan ; dst_next_scan.
ParmD pel_count ; pixel count.
ParmD scan_count ; scan count.
ParmD xlat_table ; pixel convert table.
cBegin
cEnd
;--------------------------------------------------------------------------;
;
; convert_16_32
;
;--------------------------------------------------------------------------;
assumes ds,nothing
assumes es,nothing
cProc convert_16_32,<FAR,PUBLIC,PASCAL>,<esi,edi,ds>
ParmD dst_ptr ; --> dst.
ParmD dst_offset ; offset to start at
ParmD dst_next_scan ; dst_next_scan.
ParmD dst_fill_bytes ; dst_fill_bytes
ParmD src_ptr ; --> src.
ParmD src_offset ; offset to start at
ParmD src_next_scan ; dst_next_scan.
ParmD pel_count ; pixel count.
ParmD scan_count ; scan count.
ParmD xlat_table ; pixel convert table.
cBegin
cEnd
;--------------------------------------------------------------------------;
;
; convert_24_32
;
;--------------------------------------------------------------------------;
assumes ds,nothing
assumes es,nothing
cProc convert_24_32,<FAR,PUBLIC,PASCAL>,<esi,edi,ds>
ParmD dst_ptr ; --> dst.
ParmD dst_offset ; offset to start at
ParmD dst_next_scan ; dst_next_scan.
ParmD dst_fill_bytes ; dst_fill_bytes
ParmD src_ptr ; --> src.
ParmD src_offset ; offset to start at
ParmD src_next_scan ; dst_next_scan.
ParmD pel_count ; pixel count.
ParmD scan_count ; scan count.
ParmD xlat_table ; pixel convert table.
cBegin
cEnd
;--------------------------------------------------------------------------;
;
; convert_32_32
;
;--------------------------------------------------------------------------;
assumes ds,nothing
assumes es,nothing
cProc convert_32_32,<FAR,PUBLIC,PASCAL>,<esi,edi,ds>
ParmD dst_ptr ; --> dst.
ParmD dst_offset ; offset to start at
ParmD dst_next_scan ; dst_next_scan.
ParmD dst_fill_bytes ; dst_fill_bytes
ParmD src_ptr ; --> src.
ParmD src_offset ; offset to start at
ParmD src_next_scan ; dst_next_scan.
ParmD pel_count ; pixel count.
ParmD scan_count ; scan count.
ParmD xlat_table ; pixel convert table.
cBegin
cEnd
sEnd CodeSeg
end