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 *  Common cross-platform graphics application routines.
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 *  Common cross-platform graphics application routines.
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 *  Version 2.4 (c) Lachlan Patrick 1996-1998.
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 *  Version 2.4 (c) Lachlan Patrick 1996-1998.
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 *  This header file is designed to be platform-independent.
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 *  This header file is designed to be platform-independent.
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 *
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 *
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 *  Copyright 2006-8	The R Foundation
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 *  Copyright 2006-8	The R Foundation
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 *  Copyrigth 2013	The R Core Team
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 *  Copyright 2013-19	The R Core Team
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 *
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 *
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 */
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 */
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/*
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/*
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 *  Common cross-platform graphics routines library.
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 *  Common cross-platform graphics routines library.
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 *  Types.
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 *  Types.
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 */
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 */
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typedef unsigned char GAbyte;
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typedef unsigned char GAbyte;
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#define byte GAbyte
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 - 
 
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#ifndef objptr
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#ifndef objptr
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  typedef struct { int kind; } gui_obj;
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  typedef struct { int kind; } gui_obj;
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  typedef gui_obj * objptr;
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  typedef gui_obj * objptr;
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#endif
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#endif
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    int     depth;
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    int     depth;
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    int     width;
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    int     width;
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    int     height;
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    int     height;
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    int     cmapsize;
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    int     cmapsize;
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    rgb *   cmap;
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    rgb *   cmap;
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    byte *  pixels;
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    GAbyte *  pixels;
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};
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};
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/*
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/*
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 *  Call-backs.
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 *  Call-backs.
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 */
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 */
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 */
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 */
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bitmap	newbitmap(int width, int height, int depth);
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bitmap	newbitmap(int width, int height, int depth);
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bitmap	loadbitmap(const char *name);
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bitmap	loadbitmap(const char *name);
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bitmap	imagetobitmap(image img);
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bitmap	imagetobitmap(image img);
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bitmap	createbitmap(int width, int height, int depth, byte *data);
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bitmap	createbitmap(int width, int height, int depth, GAbyte *data);
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void	setbitmapdata(bitmap b, byte data[]);
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void	setbitmapdata(bitmap b, GAbyte data[]);
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void	getbitmapdata(bitmap b, byte data[]);
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void	getbitmapdata(bitmap b, GAbyte data[]);
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void	getbitmapdata2(bitmap b, byte **data);
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void	getbitmapdata2(bitmap b, GAbyte **data);
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/*
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/*
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 *  Images.
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 *  Images.
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 */
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 */
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int     imagedepth(image img);
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int     imagedepth(image img);
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int     imagewidth(image img);
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int     imagewidth(image img);
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int     imageheight(image img);
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int     imageheight(image img);
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void	setpixels(image img, byte pixels[]);
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void	setpixels(image img, GAbyte pixels[]);
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byte *	getpixels(image img);
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GAbyte *	getpixels(image img);
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void	setpalette(image img, int length, rgb cmap[]);
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void	setpalette(image img, int length, rgb cmap[]);
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rgb *	getpalette(image img);
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rgb *	getpalette(image img);
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int	getpalettesize(image img);
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int	getpalettesize(image img);
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/*
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/*
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 *  Cursors.
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 *  Cursors.
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 */
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 */
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cursor	newcursor(point hotspot, image img);
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cursor	newcursor(point hotspot, image img);
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cursor	createcursor(point offset, byte *white_mask, byte *black_shape);
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cursor	createcursor(point offset, GAbyte *white_mask, GAbyte *black_shape);
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cursor	loadcursor(const char *name);
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cursor	loadcursor(const char *name);
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void	setcursor(cursor c);
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void	setcursor(cursor c);
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/*
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/*
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 *  Change the drawing state.
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 *  Change the drawing state.