Forge: Remove some files that we can't use with OpenStep. If anyone needs them for porting to

NSGraphicsContext, let me know and I'll provide them.
This commit is contained in:
Jeff Teunissen 2001-10-24 12:41:38 +00:00
parent 6553c81a41
commit 890efff350
2 changed files with 0 additions and 283 deletions

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/*
* UserPath.h by Bruce Blumberg, NeXT Computer, Inc.
*
* You may freely copy,distribute and re-use the code in this example. NeXT
* disclaims any warranty of any kind, expressed or implied, as to its fitness
* for any particular purpose
*
* This file and its associated .m file define a data structure and set of
* functions aimed at facilitating the use of user paths. Here is a simple
* example:
*
* UserPath *arect;
* arect = newUserPath(); // creates an empty user path
* beginUserPath(arect,YES); // initialize user path and cache
* UPmoveto(arect,0.0,0.0); // add moveto to userpath; update bounding box
* UPrlineto(arect,0.0,100.0); // add rlineto to path; update bounding box
* UPrlineto(arect,100.0,0.0); // add rlineto to path; update bounding box
* UPrlineto(arect,0.0,-100.0); // add rlineto to path; update bounding box
* closePath(arect); // close path
* endUserPath(arect,dps_stroke); // close user path and specify operator
* sendUserPath(arect);
*
* As you will note, the set of routines manage the allocation and growth of
* the operator and operand arrays, as well as the calculation of the bounding
* box. A user path created via these functions may be optionally cached down
* at the window server, or repeatedly sent down. The user paths created by
* this set of functions are all allocated in a unique zone.
*
* Note: the associated file is a .m file because it pulls in some .h files
* which reference objective C methods.
*/
#import <objc/objc.h>
#import <AppKit/AppKit.h>
typedef struct _UP {
float *points;
int numberOfPoints;
char *ops;
NSPoint cp;
int numberOfOps;
int max;
float bbox[4];
int opForUserPath;
BOOL ping;
} UserPath;
extern UserPath *userPath;
/* UserPath functions */
NSZone *userPathZone();
UserPath *newUserPath();
void freeUserPath(UserPath *up);
void debugUserPath(UserPath *up, BOOL shouldPing);
void growUserPath(UserPath *up);
void beginUserPath(UserPath *up, BOOL cache);
void endUserPath(UserPath *up, int op);
int sendUserPath(UserPath *up);
void UPmoveto(UserPath *up, float x, float y);
void UPrmoveto(UserPath *up, float x, float y);
void UPlineto(UserPath *up, float x, float y);
void UPrlineto(UserPath *up, float x, float y);
void UPcurveto(UserPath *up, float x1, float y1, float x2, float y2, float x3,
float y3);
void UPrcurveto(UserPath *up, float dx1, float dy1, float dx2, float dy2,
float dx3, float dy3);
void UParc(UserPath *up, float x, float y, float r, float ang1, float ang2);
void UParcn(UserPath *up, float x, float y, float r, float ang1, float ang2);
void UParct(UserPath *up, float x1, float y1, float x2, float y2, float r);
void closePath(UserPath *up);
void addPts(UserPath *up, float x, float y);
void addOp(UserPath *up, int op);
void add(UserPath *up, int op, float x, float y);
void checkBBox(UserPath *up, float x, float y);

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/*
* UserPath.m by Bruce Blumberg, NeXT Computer, Inc.
*
* You may freely copy,distribute and re-use the code in this example. NeXT
* disclaims any warranty of any kind, expressed or implied, as to its fitness
* for any particular purpose
*
*/
#import "UserPath.h"
//#import <mach/mach_init.h>
#import <AppKit/NSGraphics.h>
//#import <AppKit/errors.h>
#import <math.h>
//#import <libc.h>
static NSZone *upZone = NULL;
NSZone *userPathZone()
/* Creates a unique zone for use by all user paths */
{
if (!upZone) {
upZone = NSCreateZone(vm_page_size, vm_page_size, 1);
}
return upZone;
}
UserPath *newUserPath()
/* Creates a new User Path in the zone returned by userPathZone */
{
UserPath *up;
up = (UserPath *)NSZoneMalloc(userPathZone(), sizeof(UserPath));
up->max = 8192; // JDC
up->points = (float *)NSZoneMalloc(userPathZone(),
sizeof(float) * up->max);
up->ops = (char *)NSZoneMalloc(userPathZone(),
(2 + (up->max / 2)) * sizeof(char));
up->ping = NO;
return up;
}
void freeUserPath(UserPath *up)
/* Frees User Path and its associated buffers */
{
free(up->points);
free(up->ops);
free(up);
return;
}
void growUserPath(UserPath *up)
/*
* grows the associated buffers as necessary. buffer size doubles on each
* call. You never need to call grow directly as it is called as needed by the
* methods and functions which add elements into the buffer
*/
{
/* double the size of the internal buffers */
printf ("growUserPath\n");
up->max *= 2;
up->points = (float *)NSZoneRealloc(userPathZone(), up->points,
sizeof(float) * up->max);
up->ops = (char *)NSZoneRealloc(userPathZone(), up->ops,
(2 + (up->max / 2)) * sizeof(char));
return;
}
void beginUserPath(UserPath *up, BOOL cache)
/*
* Call this to start generating a user path. The cache argument specifies if
* you want the user path cached at the server (i.e. dps_ucache). In either
* case, the UserPath object will automatically calculate the bounding box for
* the path and add the dps_setbbox operator.
*/
{
up->numberOfPoints = up->numberOfOps = 0;
up->cp.x = up->cp.y = 0;
up->bbox[0] = up->bbox[1] = 1.0e6;
up->bbox[2] = up->bbox[3] = -1.0e6;
if (cache) {
up->ops[up->numberOfOps++] = dps_ucache;
}
up->ops[up->numberOfOps++] = dps_setbbox;
up->opForUserPath = 0;
return;
}
void endUserPath(UserPath *up, int op)
/*
* Call this to stop filling the path. Note this does not send the userpath to
* the server -- use sendUserPath. The op argument should be one of the
* following:
* dps_uappend, dps_ufill ,dps_ueofill, dps_ustroke, dps_ustrokepath,
* dps_inufill, dps_inueofill, dps_inustroke, dps_def, dps_put.
* These are defined in <dpsclient/dpsNext.h.
*/
{
up->opForUserPath = op;
return;
}
void UPdebug(UserPath *up, BOOL shouldPing)
/*
* Sets ping to YES so that after each time a user path is sent down to the
* window server, an NSPing() is sent after. The purpose is to catch PostScript
* errors that may be generated by the user path. sendUserPath brackets the
* download and the NSPing() in an NS_DURING... NS_HANDLER construct. Normally
* ping is NO.
*/
{
up->ping = shouldPing;
return;
}
int sendUserPath(UserPath *up)
/*
* Call this to send the path down to the server. If ping==YES (set via
* debug:), the function will send an NSPing() after the Path. In any event,
* code is bracketed by a NS_DURING ... NS_HANDLER construct which will try to
* catch postscript errors. If ping==NO (the default) it is unlikely to catch
* errors, with ping==YES it will. Whether you can recover or not is another
* matter. sendUserPath returns 0 on success and -1 on failure. If no previous
* endUserPath: has been sent, will return -2 and will not send the path to the
* server.
*/
{
NSHandler exception;
exception.code = 0;
if (up->opForUserPath != 0) {
NS_DURING
DPSDoUserPath(up->points, up->numberOfPoints, dps_float, up->ops,
up->numberOfOps, up->bbox, up->opForUserPath);
if (up->ping) {
NSPing();
}
NS_HANDLER
exception = NSLocalHandler;
NS_ENDHANDLER
if (exception.code) {
NSReportError(&exception);
if (exception.code == dps_err_ps) {
return -1;
}
} else {
return 0;
}
}
return -1;
}
void UPmoveto(UserPath *up, float x, float y)
/* adds <x y moveto> to user path and updates bounding box */
{
up->ops[up->numberOfOps++] = dps_moveto;
up->points[up->numberOfPoints++] = x;
up->points[up->numberOfPoints++] = y;
if (x < up->bbox[0]) {
up->bbox[0] = x;
}
if (y < up->bbox[1]) {
up->bbox[1] = y;
}
if (x > up->bbox[2]) {
up->bbox[2] = x;
}
if (y > up->bbox[3]) {
up->bbox[3] = y;
}
return;
}
void UPlineto(UserPath *up, float x, float y)
/* adds <x y lineto> to user path and updates bounding box */
{
up->ops[up->numberOfOps++] = dps_lineto;
up->points[up->numberOfPoints++] = x;
up->points[up->numberOfPoints++] = y;
if (x < up->bbox[0]) {
up->bbox[0] = x;
}
if (y < up->bbox[1]) {
up->bbox[1] = y;
}
if (x > up->bbox[2]) {
up->bbox[2] = x;
}
if (y > up->bbox[3]) {
up->bbox[3] = y;
}
return;
}