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70 lines
2.8 KiB
Plaintext
70 lines
2.8 KiB
Plaintext
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; Version: 3.14
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; Created: Friday, October 20, 1989 at 9:42:37 PM
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;
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; File: QDOffscreen.a
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;
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; Assembler Interface to the Macintosh Libraries
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; Copyright: <09> 1991-1992 by Apple Computer, Inc., all rights reserved.
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;
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; Change History (most recent first):
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;
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; <10> 7/1/92 DCL This file is the replacement for the now obsolete
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; QDOffscreenEqu.a. Changed the 'including' name to match the new
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; file name.
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; <9> 6/14/91 JL Checked in official MPW 3.2<EFBFBD> version. Adjusted keepLocalBit's
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; comment; removed <27MAR90 KON>.
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; <8> 1/30/91 gbm sab, #38: Change the <20>already including this file<6C> variable to
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; all uppercase (for security reasons)
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; <7> 1/15/91 KON Change useMFTempBit to UseTempMemBit. [csd]
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; <5> 3/27/90 KON Add KeepLocal flag (bit3) for gWorld flags.
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; <2> 12/28/89 dba add equates for MF temp. memory bit
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;___________________________________________________________________________
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;
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; Offscreen Equates -- This file defines the public equates for Offscreen
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; routines.
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;___________________________________________________________________________
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IF &TYPE('__INCLUDINGQDOFFSCREEN__') = 'UNDEFINED' THEN
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__INCLUDINGQDOFFSCREEN__ SET 1
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; New Error codes
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cDepthErr EQU -157 ; invalid pixel depth
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; Flag bits passed to or returned by UpdateGWorld
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purgePixBit EQU 0 ; make the offscreen buffer purgeable
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noNewDeviceBit EQU 1 ; don't create an offscreen device
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useTempMemBit EQU 2 ; create the buffer in MF temp. memory
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keepLocalBit EQU 3 ; keep buffer in main memory
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pixelsPurgeableBit EQU 6 ; pixels are purgeable
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pixelsLockedBit EQU 7 ; pixels are locked
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mapPixBit EQU 16 ; set if color table mapping occurred
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newDepthBit EQU 17 ; set if pixels were scaled to a different depth
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alignPixBit EQU 18 ; set if pixels were realigned to screen alignment
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newRowBytesBit EQU 19 ; set if pixmap was reconfigured in a new rowBytes
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reallocPixBit EQU 20 ; set if offscreen buffer had to be reallocated
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clipPixBit EQU 28 ; set if pixels were or are to be clipped
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stretchPixBit EQU 29 ; set if pixels were or are to be stretched/shrinked
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ditherPixBit EQU 30 ; set if pixels were or are to be dithered
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gwFlagErrBit EQU 31 ; sign bit set indicates error
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; Mask equivalents of the above bits
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purgePix EQU $1
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noNewDevice EQU $2
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useTempMem EQU $4
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keepLocal EQU $8
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pixelsPurgeable EQU $40
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pixelsLocked EQU $80
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mapPix EQU $10000
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newDepth EQU $20000
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alignPix EQU $40000
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newRowBytes EQU $80000
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reallocPix EQU $100000
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clipPix EQU $10000000
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stretchPix EQU $20000000
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ditherPix EQU $40000000
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gwFlagErr EQU $80000000
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ENDIF ; ...already included
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