mirror of
https://github.com/elliotnunn/sys7.1-doc-wip.git
synced 2024-11-18 14:06:47 +00:00
225 lines
5.7 KiB
Plaintext
225 lines
5.7 KiB
Plaintext
;
|
|
; File: Ovals.a
|
|
;
|
|
; Copyright: © 1981-1992 by Apple Computer, Inc., all rights reserved.
|
|
;
|
|
; Change History (most recent first):
|
|
;
|
|
; <SM2> 6/11/92 stb <sm 6/9/92>stb Synch with QDciPatchROM.a, added comment at
|
|
; StdOval.
|
|
; <•1.4> 5/29/89 BAL Blasting in 32-Bit QuickDraw version 1.0 Final
|
|
; <•1.3> 4/12/89 BAL Blasting in 32-Bit QuickDraw 1.0B1
|
|
; 1/8/89 BAL Vectorized CheckPic
|
|
; 9/5/86 EHB Added FillCOval
|
|
; 8/16/86 EHB In FillOval, call SetFillPat for color patterns.
|
|
;
|
|
;
|
|
|
|
BLANKS ON
|
|
STRING ASIS
|
|
|
|
;-----------------------------------------------------------
|
|
;
|
|
;
|
|
; *** * * * * ***
|
|
; * * * * * * * * *
|
|
; * * * * * * * *
|
|
; * * * * * * * ***
|
|
; * * * * ***** * *
|
|
; * * * * * * * * *
|
|
; *** * * * ***** ***
|
|
;
|
|
;
|
|
|
|
StdOval PROC EXPORT
|
|
IMPORT PutPicVerb,PutPicRect
|
|
IMPORT PutOval,PushVerb,DrawArc
|
|
;---------------------------------------------------------------
|
|
;
|
|
; PROCEDURE StdOval(verb: GrafVerb; r: Rect);
|
|
;
|
|
; A6 OFFSETS OF PARAMS AFTER LINK:
|
|
;
|
|
; contains _CheckPic fix from QDciPatchROM.a <sm 6/9/92>stb
|
|
|
|
PARAMSIZE EQU 6
|
|
VERB EQU PARAMSIZE+8-2 ;GRAFVERB
|
|
RECT EQU VERB-4 ;LONG, ADDR OF RECT
|
|
|
|
OVWD EQU -2 ;WORD
|
|
OVHT EQU OVWD-2 ;WORD
|
|
VARSIZE EQU OVHT ;TOTAL BYTES OF LOCALS
|
|
|
|
|
|
LINK A6,#VARSIZE ;ALLOCATE STACK FRAME
|
|
MOVEM.L D7/A3-A4,-(SP) ;SAVE REGS
|
|
MOVE.B VERB(A6),D7 ;GET VERB
|
|
_CheckPic ;SET UP A4,A3 AND CHECK PICSAVE
|
|
BLE.S NOTPIC ;BRANCH IF NOT PICSAVE
|
|
|
|
MOVE.B D7,-(SP)
|
|
bsr.l PutPicVerb ;PUT ADDIONAL PARAMS TO THEPIC
|
|
MOVEQ #$50,D0 ;PUT OVALNOUN IN HI NIBBLE
|
|
ADD D7,D0 ;PUT VERB IN LO NIBBLE
|
|
MOVE.B D0,-(SP) ;PUSH OPCODE
|
|
MOVE.L RECT(A6),-(SP) ;PUSH ADDR OF RECT
|
|
bsr.l PutPicRect ;PUT OPCODE AND RECTANGLE
|
|
|
|
NOTPIC PEA StdDraw ;PUSH ADDRESS OF DRAW ROUTINE
|
|
PEA GetRect ;PUSH ADDRESS OF RECT ROUTINE
|
|
_StdDevLoop ;DRAW TO ALL DEVICES
|
|
|
|
MOVEM.L (SP)+,D7/A3-A4 ;RESTORE REGS
|
|
UNLINK PARAMSIZE,'STDOVAL '
|
|
|
|
|
|
;---------------------------------------------------------------
|
|
;
|
|
; PROCEDURE GetRect(VAR theRect: rect);
|
|
;
|
|
; RETURN THE OBJECT'S RECTANGLE
|
|
;
|
|
GetRect MOVE.L (SP)+,D0 ;GET RETURN ADDRESS
|
|
MOVE.L (SP)+,A1 ;GET DST RECT
|
|
MOVE.L RECT(A6),A0 ;GET SRC RECT
|
|
MOVE.L (A0)+,(A1)+ ;SET TOPLEFT
|
|
MOVE.L (A0),(A1) ;SET BOTRIGHT
|
|
MOVE.L D0,A0 ;GET RETURN ADDRESS
|
|
JMP (A0) ;AND RETURN
|
|
|
|
|
|
;---------------------------------------------------------------
|
|
;
|
|
; PROCEDURE StdDraw;
|
|
;
|
|
; DRAW THE OBJECT
|
|
;
|
|
StdDraw MOVE.L RECT(A6),A0 ;POINT TO RECT
|
|
MOVE RIGHT(A0),D0
|
|
SUB LEFT(A0),D0
|
|
MOVE D0,OVWD(A6) ;OVWD := R.RIGHT - R.LEFT
|
|
MOVE BOTTOM(A0),D0
|
|
SUB TOP(A0),D0
|
|
MOVE D0,OVHT(A6) ;OVHT := R.BOTTOM - R.TOP
|
|
|
|
MOVE.L A0,-(SP) ;PUSH ADDR OF RECT
|
|
TST.B D7 ;IS VERB FRAME ?
|
|
BNE.S NOTFR ;NO, CONTINUE
|
|
TST.L RGNSAVE(A3) ;YES, IS RGNSAVE TRUE ?
|
|
BEQ.S NOTRGN ;NO, CONTINUE
|
|
|
|
MOVE.L A0,-(SP) ;YES, PUSH ADDR OF RECT
|
|
MOVE.L OVHT(A6),-(SP) ;PUSH OVWD, OVHT
|
|
MOVE.L RGNBUF(A4),-(SP) ;PUSH RGNBUF
|
|
PEA RGNINDEX(A4) ;PUSH VAR RGNINDEX
|
|
PEA RGNMAX(A4) ;PUSH VAR RGNMAX
|
|
_PutOval ;ADD AN OVAL TO THERGN
|
|
|
|
NOTRGN MOVE.B #1,-(SP) ;PUSH HOLLOW = TRUE
|
|
BRA.S DOIT
|
|
NOTFR CLR.B -(SP) ;PUSH HOLLOW = FALSE
|
|
DOIT MOVE.L OVHT(A6),-(SP) ;PUSH OVWD,OVHT
|
|
_PushVerb ;PUSH MODE AND PATTERN
|
|
CLR -(SP) ;PUSH STARTANGLE = 0
|
|
MOVE #360,-(SP) ;PUSH ARCANGLE = 360
|
|
|
|
; DrawArc(r,hollow,ovWd,ovHt,mode,pat,startAng,arcAng);
|
|
|
|
_DrawArc
|
|
DONESD RTS
|
|
|
|
|
|
|
|
FrameOval PROC EXPORT
|
|
EXPORT CallOval,PaintOval,EraseOval,InvertOval,FillOval,FillCOval
|
|
IMPORT SETFILLPAT
|
|
;-----------------------------------------------------
|
|
;
|
|
; PROCEDURE FrameOval(* r: Rect *);
|
|
;
|
|
MOVEQ #FRAME,D0 ;VERB = FRAME
|
|
BRA.S CallOval ;SHARE COMMON CODE
|
|
|
|
|
|
;-----------------------------------------------------
|
|
;
|
|
; PROCEDURE PaintOval(* r: Rect *);
|
|
;
|
|
PaintOval
|
|
MOVEQ #PAINT,D0 ;VERB = PAINT
|
|
BRA.S CallOval ;SHARE COMMON CODE
|
|
|
|
|
|
;--------------------------------------------------------
|
|
;
|
|
; PROCEDURE EraseOval(* r: Rect *);
|
|
;
|
|
EraseOval
|
|
MOVEQ #ERASE,D0 ;VERB = ERASE
|
|
BRA.S CallOval ;SHARE COMMON CODE
|
|
|
|
|
|
;--------------------------------------------------------
|
|
;
|
|
; PROCEDURE InvertOval(* r: Rect *);
|
|
;
|
|
InvertOval
|
|
MOVEQ #INVERT,D0 ;VERB = INVERT
|
|
BRA.S CallOval ;SHARE COMMON CODE
|
|
|
|
|
|
;--------------------------------------------------------
|
|
;
|
|
; PROCEDURE FillOval(* r: Rect; pat: Pattern *);
|
|
;
|
|
FillOval
|
|
MOVEQ #0,D0 ;FLAG = FILLOVAL
|
|
BRA.S SHARE ; => USE COMMON CODE
|
|
|
|
|
|
;----------------------------------------------------------
|
|
;
|
|
; PROCEDURE FillCOval(r: Rect; PPH: PixPatHandle);
|
|
;
|
|
FILLCOVAL MOVEQ #1,D0 ;FLAG = FILLCOVAL
|
|
|
|
SHARE MOVE.L (SP)+,A0 ;POP RETURN ADDR
|
|
MOVE.L (SP)+,A1 ;POP ADDR OF PATTERN
|
|
MOVE.L A0,-(SP) ;PUT RETURN ADDR BACK
|
|
MOVE.L A1,-(SP) ;PUSH ADDR OF PATTERN
|
|
_SETFILLPAT ;FILLPAT := PAT
|
|
MOVEQ #FILL,D0 ;VERB = FILL
|
|
; BRA.S CallOval ;SHARE COMMON CODE
|
|
|
|
|
|
|
|
;---------------------------------------------------------------
|
|
;
|
|
; PROCEDURE CallOval(r: Rect);
|
|
;
|
|
; code shared by FrameOval, PaintOval, EraseOval, InvertOval, and FillOval.
|
|
; enter with verb in D0.
|
|
;
|
|
CallOval
|
|
MOVE.L (SP)+,A0 ;POP RETURN ADDR
|
|
MOVE.L (SP)+,A1 ;POP ADDR OF RECT
|
|
MOVE.B D0,-(SP) ;PUSH VERB
|
|
MOVE.L A1,-(SP) ;PUSH ADDR OF RECT
|
|
MOVE.L A0,-(SP) ;RESTORE RETURN ADDR
|
|
MOVE.L GRAFGLOBALS(A5),A0 ;POINT TO LISAGRAF GLOBALS
|
|
MOVE.L THEPORT(A0),A0 ;GET CURRENT GRAFPORT
|
|
MOVE.L GRAFPROCS(A0),D0 ;IS GRAFPROCS NIL ?
|
|
MOVE.L JStdOval,A0 ;get piece of trap table
|
|
BEQ.S USESTD ;YES, USE STD PROC
|
|
MOVE.L D0,A0
|
|
MOVE.L OVALPROC(A0),A0 ;NO, GET PROC PTR
|
|
USESTD JMP (A0) ;GO TO IT
|
|
|
|
|
|
ENDPROC
|
|
|
|
|
|
|
|
|
|
|