; ; File: Ovals.a ; ; Copyright: © 1981-1992 by Apple Computer, Inc., all rights reserved. ; ; Change History (most recent first): ; ; 6/11/92 stb 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 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