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Frame.h
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C/C++ Source or Header
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1991-04-19
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2KB
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42 lines
/*
* FRAME.C A general-purpose bitmap creating library. It allows you
* to select a portion of any screen by dragging a selection
* rectangle, and returns a bitmap structure that contains
* a copy of the selected region.
*
* Copyright 1990 by Davide P. Cervone, all rights reserved.
* You may use this code, provided this copyright notice is kept intact.
*/
#define SHOW_USAGE 0
#define JUST_EXIT 1
#define FRAME_IT 2
#define ONE 1L
#define NEWSTRUCT(s,v) (v=(struct s *)New("v",sizeof(struct s)))
#define FREESTRUCT(s,v) (FreeMem(v,sizeof(struct s)))
extern struct IntuitionBase *IntuitionBase;
extern struct GfxBase *GfxBase;
extern struct LayersBase *LayersBase;
extern char *program;
extern char *version;
extern char *copyright;
extern char *usage;
extern struct Screen *theScreen; /* the selected screen */
extern UBYTE PlaneMask; /* which bitplanes to use */
extern UBYTE theDepth; /* the depth of the bitmap */
extern WORD theWidth, theHeight; /* its width and height */
extern ULONG theModes; /* the screen's modes */
extern struct ColorMap *theColorMap; /* the screen's color map */
extern struct RastPort *theRastPort; /* a RastPort into the bitmap */
extern struct BitMap theBitMap; /* the bitmap itself */
extern WORD StartX, StartY; /* position within the screen */
extern WORD CurrentX, CurrentY; /* current mouse position */
extern WORD LeftX, TopY; /* corner of selection rectangle */
extern APTR New(); /* gets memory safely */