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plserver.h
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1 // $Id: plserver.h 12007 2011-10-28 12:02:58Z andrewross $
2 //
3 // Maurice LeBrun
4 // 6-May-93
5 //
6 // Declarations for plserver and associated files.
7 //
8 
9 #ifndef __PLSERVER_H__
10 #define __PLSERVER_H__
11 
12 #include "plDevs.h"
13 #include "pltkd.h"
14 #include "pltcl.h"
15 
16 // State info for the rendering code
17 
18 typedef struct
19 {
20  char *client; // Name of client main window
21  PDFstrm *pdfs; // PDF stream descriptor
22  PLiodev *iodev; // I/O info
23  int nbytes; // data bytes waiting to be read
24  int at_bop, at_eop; // bop/eop condition flags
25 
26  short xmin, xmax, ymin, ymax; // Data minima and maxima
27  PLFLT xold, yold; // Endpoints of last line plotted
28 } PLRDev;
29 
30 // External function prototypes.
31 // Note that tcl command functions are added during Pltk_Init and don't
32 // need to be called directly by the user
33 
34 // plframe.c
35 // Invoked to process the "plframe" Tcl command.
36 
37 int
38 plFrameCmd( ClientData clientData, Tcl_Interp *interp,
39  int argc, const char **argv );
40 int
41 plPlotterCmd( ClientData clientData, Tcl_Interp *interp,
42  int argc, const char **argv );
43 
44 // plr.c
45 // Set default state parameters before anyone else has a chance to.
46 
48 plr_start( PLRDev *plr );
49 
50 // Read & process commands until "nbyte_max" bytes have been read.
51 
53 plr_process( PLRDev *plr );
54 
55 #endif // __PLSERVER_H__