sys7.1-doc-wip/QuickDraw/RRects.a

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;
; File: RRects.a
;
; Contains: procedures for operating on RoundRects
;
; Written by: EHB & BAL
;
; 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 comments to
; StdRRect
; <•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
; 8/16/86 EHB In FillRoundRect, call setFillPat for color pattern support
; 8/5/86 EHB Added FillCRoundRect
BLANKS ON
STRING ASIS
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;
StdRRect PROC EXPORT
IMPORT CheckPic,DPutPicOp,PutPicVerb,PutPicLong,PutPicRect
IMPORT PutOval,PushVerb,DrawArc
;---------------------------------------------------------------
;
; PROCEDURE StdRRect(verb: GrafVerb; r: Rect; ovWd,ovHt: INTEGER);
;
; A6 OFFSETS OF PARAMS AFTER LINK:
;
; added CheckPic from QDciPatchROM.a <sm 6/9/92>stb
PARAMSIZE EQU 10
VERB EQU PARAMSIZE+8-2 ;GRAFVERB
RECT EQU VERB-4 ;LONG, ADDR OF RECT
OVWD EQU RECT-2 ;WORD
OVHT EQU OVWD-2 ;WORD
LINK A6,#0 ;NO LOCALS
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) ;PUSH VERB
JSR PutPicVerb ;PUT ADDIONAL PARAMS TO THEPIC
;
; CHECK FOR NEW OVAL SIZE
;
MOVE.L PICSAVE(A3),A0 ;GET PICSAVE HANDLE
MOVE.L (A0),A0 ;DE-REFERENCE PICSAVE
MOVE.L OVHT(A6),D0 ;GET OVWD AND OVHT
CMP.L PICOVSIZE(A0),D0 ;SAME AS CURRENT OVAL SIZE ?
BEQ.S OVALOK ;YES, CONTINUE
MOVE.L D0,PICOVSIZE(A0) ;NO, UPDATE STATE VARIABLE
MOVE.L D0,-(SP) ;PUSH OVSIZE FOR PutPicLong CALL
MOVEQ #opOVSize,D0 ;GET OVSIZE OPCODE
JSR DPutPicOp ;PUT OVSIZE OPCODE
JSR PutPicLong ;PUT NEW OVAL SIZE DATA
OVALOK MOVEQ #$40,D0 ;PUT RRECT NOUN 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
JSR PutPicRect ;PUT OPCODE AND RECTANGLE
; CALL STANDARD LOOP TO DRAW TO ALL DEVICES
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,'STDRRECT'
;---------------------------------------------------------------
;
; 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),-(SP) ;PUSH ADDR OF RECT
CLR.B -(SP) ;PUSH HOLLOW = FALSE
TST.B D7 ;IS VERB FRAME ?
BNE.S DOIT ;NO, CONTINUE
TST.L RGNSAVE(A3) ;YES, IS RGNSAVE TRUE ?
BEQ.S NOTRGN ;NO, CONTINUE
MOVE.L RECT(A6),-(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) ;REPLACE, PUSH HOLLOW = TRUE
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
RTS
FrameRoundRect PROC EXPORT
EXPORT CallRRect,PaintRoundRect,EraseRoundRect
EXPORT InvertRoundRect,FillRoundRect,FillCRoundRect
IMPORT SETFILLPAT
;--------------------------------------------------------
;
; PROCEDURE FrameRoundRect(* r: Rect; ovWd,ovHt: INTEGER *);
;
MOVEQ #FRAME,D0 ;VERB = FRAME
BRA.S CallRRect ;SHARE COMMON CODE
;--------------------------------------------------------
;
; PROCEDURE PaintRoundRect(* r: Rect; ovWd,ovHt: INTEGER *);
;
PaintRoundRect
MOVEQ #PAINT,D0 ;VERB = PAINT
BRA.S CallRRect ;SHARE COMMON CODE
;--------------------------------------------------------
;
; PROCEDURE EraseRoundRect(* r: Rect; ovWd,ovHt: INTEGER *);
;
EraseRoundRect
MOVEQ #ERASE,D0 ;VERB = ERASE
BRA.S CallRRect ;SHARE COMMON CODE
;--------------------------------------------------------
;
; PROCEDURE InvertRoundRect(* r: Rect; ovWd,ovHt: INTEGER *);
;
InvertRoundRect
MOVEQ #INVERT,D0 ;VERB = INVERT
BRA.S CallRRect ;SHARE COMMON CODE
;--------------------------------------------------------
;
; PROCEDURE FillRoundRect(r: Rect; ovWd,ovHt: INTEGER; pat: Pattern);
;
FillRoundRect
MOVEQ #0,D0 ;FLAG = FillRoundRect
BRA.S SHARE ; => USE COMMON CODE
;----------------------------------------------------------
;
; PROCEDURE FillCRoundRect(r: Rect; ovWd,ovHt: INTEGER; PPH: PixPatHandle);
;
FillCRoundRect
MOVEQ #1,D0 ;FLAG = FillCRoundRect
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 CallRRect ;SHARE COMMON CODE
;---------------------------------------------------------------
;
; PROCEDURE CallRRect(r: Rect; ovWd,ovHt: INTEGER);
;
; code shared by FrameRoundRect, PaintRoundRect, EraseRoundRect,
; InvertRoundRect, and FillRoundRect.
; enter with verb in D0.
;
CallRRect
MOVE.L (SP)+,A0 ;POP RETURN ADDR
MOVE.L (SP)+,D1 ;POP ovWd and ovHt
MOVE.L (SP)+,A1 ;POP ADDR OF RECT
MOVE.B D0,-(SP) ;PUSH VERB
MOVE.L A1,-(SP) ;PUSH ADDR OF RECT
MOVE.L D1,-(SP) ;PUSH ovWd and ovHt
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 JStdRRect,A0 ;get piece of trap table
BEQ.S USESTD ;YES, USE STD PROC
MOVE.L D0,A0
MOVE.L RRECTPROC(A0),A0 ;NO, GET PROC PTR
USESTD JMP (A0) ;GO TO IT
ENDPROC