55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/****************************************************************************/
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// abaapi.h
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//
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// RDP Bounds Accumulator API header.
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//
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// Copyright (C) 1997-2000 Microsoft Corporation
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/****************************************************************************/
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#ifndef _H_ABAAPI
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#define _H_ABAAPI
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#define BA_INVALID_RECT_INDEX ((unsigned)-1)
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// We allocate space for one more rectangle than total number we accumulate
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// so we have a "work" rectangle.
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#define BA_MAX_ACCUMULATED_RECTS 20
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#define BA_TOTAL_NUM_RECTS (BA_MAX_ACCUMULATED_RECTS + 1)
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/****************************************************************************/
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// BA_RECT_INFO
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//
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// Information about an accumulated rectangle.
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/****************************************************************************/
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typedef struct
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{
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unsigned iNext;
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unsigned iPrev;
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RECTL coord;
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UINT32 area;
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BOOL inUse;
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} BA_RECT_INFO, *PBA_RECT_INFO;
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/****************************************************************************/
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// BA_SHARED_DATA
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//
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// BA data shared between DD and WD.
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/****************************************************************************/
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typedef struct
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{
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unsigned firstRect;
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unsigned rectsUsed;
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UINT32 totalArea;
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unsigned firstFreeRect;
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// "+ 1" added below to stop retail builds crashing as a result of #123
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// and its relations. Remove when we fix the bug properly.
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BA_RECT_INFO bounds[BA_TOTAL_NUM_RECTS + 1];
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} BA_SHARED_DATA, *PBA_SHARED_DATA;
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#endif /* _H_ABAAPI */
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