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Can't use UserPath, so remove these.
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Bill Currie
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2 changed files with 0 additions and 297 deletions
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/*
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* UserPath.h by Bruce Blumberg, NeXT Computer, Inc.
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*
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* You may freely copy,distribute and re-use the code in this example. NeXT
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* disclaims any warranty of any kind, expressed or implied, as to its fitness
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* for any particular purpose
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*
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* This file and its associated .m file define a data structure and set of
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* functions aimed at facilitating the use of user paths. Here is a simple
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* example:
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*
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* UserPath *arect;
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* arect = newUserPath(); // creates an empty user path
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* beginUserPath(arect,YES); // initialize user path and cache
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* UPmoveto(arect,0.0,0.0); // add moveto to userpath; update bounding box
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* UPrlineto(arect,0.0,100.0); // add rlineto to path; update bounding box
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* UPrlineto(arect,100.0,0.0); // add rlineto to path; update bounding box
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* UPrlineto(arect,0.0,-100.0); // add rlineto to path; update bounding box
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* closePath(arect); // close path
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* endUserPath(arect,dps_stroke); // close user path and specify operator
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* sendUserPath(arect);
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*
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* As you will note, the set of routines manage the allocation and growth of
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* the operator and operand arrays, as well as the calculation of the bounding
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* box. A user path created via these functions may be optionally cached down
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* at the window server, or repeatedly sent down. The user paths created by
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* this set of functions are all allocated in a unique zone.
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*
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* Note: the associated file is a .m file because it pulls in some .h files
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* which reference objective C methods.
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*/
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#ifndef UserPath_h
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#define UserPath_h
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#include <objc/objc.h>
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#include <AppKit/NSGraphicsContext.h>
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typedef struct _UP {
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float *points;
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int numberOfPoints;
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char *ops;
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NSPoint cp;
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int numberOfOps;
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int max;
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float bbox[4];
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int opForUserPath;
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BOOL ping;
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} UserPath;
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/* UserPath functions */
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NSZone *userPathZone ();
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UserPath *newUserPath ();
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void freeUserPath (UserPath * up);
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void debugUserPath (UserPath * up, BOOL shouldPing);
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void growUserPath (UserPath * up);
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void beginUserPath (UserPath * up, BOOL cache);
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void endUserPath (UserPath * up, int op);
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int sendUserPath (UserPath * up);
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void UPmoveto (UserPath * up, float x, float y);
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void UPrmoveto (UserPath * up, float x, float y);
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void UPlineto (UserPath * up, float x, float y);
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void UPrlineto (UserPath * up, float x, float y);
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void UPcurveto (UserPath * up, float x1, float y1, float x2, float y2,
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float x3, float y3);
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void UPrcurveto (UserPath * up, float dx1, float dy1, float dx2,
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float dy2, float dx3, float dy3);
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void UParc (UserPath * up, float x, float y, float r, float ang1,
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float ang2);
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void UParcn (UserPath * up, float x, float y, float r, float ang1,
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float ang2);
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void UParct (UserPath * up, float x1, float y1, float x2, float y2,
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float r);
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void closePath (UserPath * up);
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void addPts (UserPath * up, float x, float y);
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void addOp (UserPath * up, int op);
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void add (UserPath * up, int op, float x, float y);
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void checkBBox (UserPath * up, float x, float y);
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#endif // UserPath_h
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@ -1,217 +0,0 @@
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/*
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* UserPath.m by Bruce Blumberg, NeXT Computer, Inc.
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*
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* You may freely copy,distribute and re-use the code in this example. NeXT
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* disclaims any warranty of any kind, expressed or implied, as to its fitness
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* for any particular purpose
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*
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*/
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#include "UserPath.h"
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//#include <mach/mach_init.h>
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//#include <appkit/graphics.h>
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//#include <appkit/errors.h>
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#include <math.h>
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#include <libc.h>
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static NSZone *upZone = NULL;
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NSZone *
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userPathZone ()
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/* Creates a unique zone for use by all user paths */
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{
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if (!upZone) {
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upZone = NSCreateZone (vm_page_size, vm_page_size, 1);
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}
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return upZone;
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}
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UserPath *
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newUserPath ()
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/* Creates a new User Path in the zone returned by userPathZone */
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{
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UserPath *up;
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up = (UserPath *) NSZoneMalloc (userPathZone (), sizeof (UserPath));
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up->max = 8192; // JDC
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up->points = (float *) NSZoneMalloc (userPathZone (),
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sizeof (float) * up->max);
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up->ops = (char *) NSZoneMalloc (userPathZone (),
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(2 + (up->max / 2)) * sizeof (char));
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up->ping = NO;
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return up;
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}
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void
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freeUserPath (UserPath * up)
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/* Frees User Path and its associated buffers */
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{
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free (up->points);
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free (up->ops);
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free (up);
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return;
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}
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void
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growUserPath (UserPath * up)
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/*
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* grows the associated buffers as necessary. buffer size doubles on each
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* call. You never need to call grow directly as it is called as needed by the
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* methods and functions which add elements into the buffer
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*/
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{
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/* double the size of the internal buffers */
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printf ("growUserPath\n");
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up->max *= 2;
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up->points = (float *) NSZoneRealloc (userPathZone (), up->points,
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sizeof (float) * up->max);
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up->ops = (char *) NSZoneRealloc (userPathZone (), up->ops,
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(2 + (up->max / 2)) * sizeof (char));
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return;
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}
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void
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beginUserPath (UserPath * up, BOOL cache)
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/*
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* Call this to start generating a user path. The cache argument specifies if
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* you want the user path cached at the server (i.e. dps_ucache). In either
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* case, the UserPath object will automatically calculate the bounding box for
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* the path and add the dps_setbbox operator.
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*/
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{
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up->numberOfPoints = up->numberOfOps = 0;
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up->cp.x = up->cp.y = 0;
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up->bbox[0] = up->bbox[1] = 1.0e6;
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up->bbox[2] = up->bbox[3] = -1.0e6;
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if (cache) {
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up->ops[up->numberOfOps++] = dps_ucache;
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}
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up->ops[up->numberOfOps++] = dps_setbbox;
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up->opForUserPath = 0;
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return;
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}
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void
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endUserPath (UserPath * up, int op)
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/*
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* Call this to stop filling the path. Note this does not send the userpath to
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* the server -- use sendUserPath. The op argument should be one of the
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* following:
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* dps_uappend, dps_ufill ,dps_ueofill, dps_ustroke, dps_ustrokepath,
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* dps_inufill, dps_inueofill, dps_inustroke, dps_def, dps_put.
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* These are defined in <dpsclient/dpsNext.h.
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*/
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{
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up->opForUserPath = op;
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return;
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}
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void
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UPdebug (UserPath * up, BOOL shouldPing)
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/*
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* Sets ping to YES so that after each time a user path is sent down to the
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* window server, an NSPing() is sent after. The purpose is to catch PostScript
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* errors that may be generated by the user path. sendUserPath brackets the
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* download and the NSPing() in an NS_DURING... NS_HANDLER construct. Normally
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* ping is NO.
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*/
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{
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up->ping = shouldPing;
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return;
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}
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int
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sendUserPath (UserPath * up)
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/*
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* Call this to send the path down to the server. If ping==YES (set via
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* debug:), the function will send an NSPing() after the Path. In any event,
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* code is bracketed by a NS_DURING ... NS_HANDLER construct which will try to
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* catch postscript errors. If ping==NO (the default) it is unlikely to catch
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* errors, with ping==YES it will. Whether you can recover or not is another
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* matter. sendUserPath returns 0 on success and -1 on failure. If no previous
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* endUserPath: has been sent, will return -2 and will not send the path to the
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* server.
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*/
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{
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NSHandler exception;
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exception.code = 0;
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if (up->opForUserPath != 0) {
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// NS_DURING
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DPSDoUserPath (up->points, up->numberOfPoints, dps_float, up->ops,
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up->numberOfOps, up->bbox, up->opForUserPath);
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if (up->ping) {
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NSPing ();
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}
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// NS_HANDLER
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// exception = NSLocalHandler;
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// NS_ENDHANDLER
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if (exception.code) {
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NSReportError (&exception);
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if (exception.code == dps_err_ps) {
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return -1;
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}
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} else {
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return 0;
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}
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}
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return -1;
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}
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void
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UPmoveto (UserPath * up, float x, float y)
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/* adds <x y moveto> to user path and updates bounding box */
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{
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up->ops[up->numberOfOps++] = dps_moveto;
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up->points[up->numberOfPoints++] = x;
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up->points[up->numberOfPoints++] = y;
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if (x < up->bbox[0]) {
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up->bbox[0] = x;
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}
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if (y < up->bbox[1]) {
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up->bbox[1] = y;
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}
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if (x > up->bbox[2]) {
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up->bbox[2] = x;
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}
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if (y > up->bbox[3]) {
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up->bbox[3] = y;
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}
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return;
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}
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void
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UPlineto (UserPath * up, float x, float y)
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/* adds <x y lineto> to user path and updates bounding box */
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{
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up->ops[up->numberOfOps++] = dps_lineto;
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up->points[up->numberOfPoints++] = x;
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up->points[up->numberOfPoints++] = y;
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if (x < up->bbox[0]) {
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up->bbox[0] = x;
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}
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if (y < up->bbox[1]) {
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up->bbox[1] = y;
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}
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if (x > up->bbox[2]) {
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up->bbox[2] = x;
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}
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if (y > up->bbox[3]) {
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up->bbox[3] = y;
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}
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return;
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}
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