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typedef struct Document Document;
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struct Document {
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char *docname;
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int npage;
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int fwdonly;
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char* (*pagename)(Document*, int);
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Image* (*drawpage)(Document*, int);
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int (*addpage)(Document*, char*);
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int (*rmpage)(Document*, int);
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Biobuf *b;
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void *extra;
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};
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void *emalloc(int);
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void *erealloc(void*, int);
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char *estrdup(char*);
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int spawncmd(char*, char **, int, int, int);
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int spooltodisk(uchar*, int, char**);
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int stdinpipe(uchar*, int);
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Document *initps(Biobuf*, int, char**, uchar*, int);
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Document *initpdf(Biobuf*, int, char**, uchar*, int);
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Document *initgfx(Biobuf*, int, char**, uchar*, int);
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Document *inittroff(Biobuf*, int, char**, uchar*, int);
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Document *initdvi(Biobuf*, int, char**, uchar*, int);
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Document *initmsdoc(Biobuf*, int, char**, uchar*, int);
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void setlabel(char *);
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void viewer(Document*);
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extern Cursor reading;
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extern int chatty;
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extern int goodps;
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extern int textbits, gfxbits;
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extern int reverse;
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extern int clean;
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extern int ppi;
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extern int teegs;
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extern int truetoboundingbox;
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extern int wctlfd;
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extern int resizing;
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extern int mknewwindow;
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void rot180(Image*);
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Image *rot90(Image*);
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Image *rot270(Image*);
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Image *resample(Image*, Image*);
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/* ghostscript interface shared by ps, pdf */
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typedef struct GSInfo GSInfo;
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struct GSInfo {
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int gsfd;
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Biobuf gsrd;
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int gspid;
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int gsdfd;
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int ppi;
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};
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void waitgs(GSInfo*);
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int gscmd(GSInfo*, char*, ...);
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int spawngs(GSInfo*, char*);
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void setdim(GSInfo*, Rectangle, int, int);
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int spawnwriter(GSInfo*, Biobuf*);
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Rectangle screenrect(void);
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void newwin(void);
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void zerox(void);
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Rectangle winrect(void);
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void resize(int, int);
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int max(int, int);
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int min(int, int);
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void wexits(char*);
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Image* xallocimage(Display*, Rectangle, ulong, int, ulong);
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int bell(void*, char*);
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int opentemp(char *template);
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Image* cachedpage(Document*, int, int);
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void cacheflush(void);
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extern int stdinfd;
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extern int truecolor;
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/* BUG BUG BUG BUG BUG: cannot use new draw operations in drawterm,
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* or in vncs, and there is a bug in the kernel for copying images
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* from cpu memory -> video memory (memmove is not being used).
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* until all that is settled, ignore the draw operators.
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*/
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#define drawop(a,b,c,d,e,f) draw(a,b,c,d,e)
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#define gendrawop(a,b,c,d,e,f,g) gendraw(a,b,c,d,e,f)
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