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Belgian Amiga Club - ADF Collection
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BS1 part 19.zip
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BS1 part 19
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Lattice C disk 4.adf
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Compiler_Headers
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graphics
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clip.h
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C/C++ Source or Header
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1988-10-25
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2KB
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78 lines
#ifndef GRAPHICS_CLIP_H
#define GRAPHICS_CLIP_H
/*
** $Filename: graphics/clip.h $
** $Release: 1.3 $
**
**
**
** (C) Copyright 1985,1986,1987,1988 Commodore-Amiga, Inc.
** All Rights Reserved
*/
#ifndef GRAPHICS_GFX_H
#include <graphics/gfx.h>
#endif
#ifndef EXEC_SEMAPHORES_H
#include <exec/semaphores.h>
#endif
/* structures used by and constructed by windowlib.a */
/* understood by rom software */
#define NEWLOCKS
struct Layer
{
struct Layer *front,*back; /* ignored by roms */
struct ClipRect *ClipRect; /* read by roms to find first cliprect */
struct RastPort *rp; /* ignored by roms, I hope */
struct Rectangle bounds; /* ignored by roms */
UBYTE reserved[4];
UWORD priority; /* system use only */
UWORD Flags; /* obscured ?, Virtual BitMap? */
struct BitMap *SuperBitMap;
struct ClipRect *SuperClipRect; /* super bitmap cliprects if
VBitMap != 0*/
/* else damage cliprect list for refresh */
APTR Window; /* reserved for user interface use */
SHORT Scroll_X,Scroll_Y;
struct ClipRect *cr,*cr2,*crnew; /* used by dedice */
struct ClipRect *SuperSaveClipRects; /* preallocated cr's */
struct ClipRect *_cliprects; /* system use during refresh */
struct Layer_Info *LayerInfo; /* points to head of the list */
struct SignalSemaphore Lock;
UBYTE reserved3[8];
struct Region *ClipRegion;
struct Region *saveClipRects; /* used to back out when in trouble*/
UBYTE reserved2[22];
/* this must stay here */
struct Region *DamageList; /* list of rectangles to refresh
through */
};
struct ClipRect
{
struct ClipRect *Next; /* roms used to find next ClipRect */
struct ClipRect *prev; /* ignored by roms, used by windowlib */
struct Layer *lobs; /* ignored by roms, used by windowlib */
struct BitMap *BitMap;
struct Rectangle bounds; /* set up by windowlib, used by roms */
struct ClipRect *_p1,*_p2; /* system reserved */
LONG reserved; /* system use */
#ifdef NEWCLIPRECTS_1_1
LONG Flags; /* only exists in layer allocation */
#endif
};
/* internal cliprect flags */
#define CR_NEEDS_NO_CONCEALED_RASTERS 1
/* defines for code values for getcode */
#define ISLESSX 1
#define ISLESSY 2
#define ISGRTRX 4
#define ISGRTRY 8
#endif /* GRAPHICS_CLIP_H */