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|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Copyright (c) 2022 Michal Necasek
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
; THE SOFTWARE.
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Define a macro which produces a DIB engine thunk, taking care of all
; externs and publics.
; The DIB_xxxExt functions take one additional parameter. To minimize
; stack space copying and usage, the thunk pops off the return address,
; pushes the additional parameter (always the last parameter of
; DIB_xxxExt), pushes the return address back, and jumps to DIB_xxxExt.
; The AX, ECX, and ES registers are modified with no ill effect since
; they aren't used by the Pascal calling convention to pass arguments.
;; Thunk macro with additional parameters.
DIBTHK macro name, param
extrn DIB_&name&Ext : far
public name
name:
mov ax, DGROUP ; Load ES with our data segment.
mov es, ax
assume es:DGROUP
pop ecx ; Save the 16:16 return address in ECX.
push param ; Push the additional parameter.
push ecx ; Put the return address back.
jmp DIB_&name&Ext ; Off to the DIB Engine we go.
endm
;; Simple forwarder macro.
DIBFWD macro name
extrn DIB_&name : far
public name
name:
jmp DIB_&name ; Just jump to the DIB Engine.
endm
;; Additional variables that need to be pushed are in the data segment.
_DATA segment public 'DATA'
extrn _lpDriverPDevice : dword
extrn _wPalettized : word
_DATA ends
DGROUP group _DATA
_TEXT segment public 'CODE'
.386
assume ds:nothing, es:nothing
;; Thunks that push an additional parameter.
;; Sorted by ordinal number.
DIBTHK EnumObj, _lpDriverPDevice
DIBTHK RealizeObject, _lpDriverPDevice
DIBTHK DibBlt, _wPalettized
DIBTHK GetPalette, _lpDriverPDevice
DIBTHK SetPaletteTranslate, _lpDriverPDevice
DIBTHK GetPaletteTranslate, _lpDriverPDevice
DIBTHK UpdateColors, _lpDriverPDevice
DIBTHK SetCursor, _lpDriverPDevice
DIBTHK MoveCursor, _lpDriverPDevice
;; Forwarders that simply jump to the DIB Engine.
;; Sorted by ordinal number.
ifndef HWBLT
DIBFWD BitBlt
endif
DIBFWD ColorInfo
;DIBFWD Control
DIBFWD EnumDFonts
DIBFWD Output
DIBFWD Pixel
DIBFWD Strblt
DIBFWD ScanLR
DIBFWD DeviceMode
;DIBFWD ExtTextOut
DIBFWD GetCharWidth
DIBFWD DeviceBitmap
DIBFWD FastBorder
DIBFWD SetAttribute
DIBFWD CreateDIBitmap
DIBFWD DibToDevice
DIBFWD StretchBlt
DIBFWD StretchDIBits
DIBFWD SelectBitmap
DIBFWD BitmapBits
DIBFWD Inquire
_TEXT ends
end
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