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-rw-r--r--libXfont/src/Type1/t1snap.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/libXfont/src/Type1/t1snap.c b/libXfont/src/Type1/t1snap.c
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+++ b/libXfont/src/Type1/t1snap.c
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+/* $Xorg: t1snap.c,v 1.3 2000/08/17 19:46:34 cpqbld Exp $ */
+/* Copyright International Business Machines,Corp. 1991
+ * All Rights Reserved
+ *
+ * License to use, copy, modify, and distribute this software
+ * and its documentation for any purpose and without fee is
+ * hereby granted, provided that the above copyright notice
+ * appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation,
+ * and that the name of IBM not be used in advertising or
+ * publicity pertaining to distribution of the software without
+ * specific, written prior permission.
+ *
+ * IBM PROVIDES THIS SOFTWARE "AS IS", WITHOUT ANY WARRANTIES
+ * OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT
+ * LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. THE ENTIRE RISK AS TO THE QUALITY AND
+ * PERFORMANCE OF THE SOFTWARE, INCLUDING ANY DUTY TO SUPPORT
+ * OR MAINTAIN, BELONGS TO THE LICENSEE. SHOULD ANY PORTION OF
+ * THE SOFTWARE PROVE DEFECTIVE, THE LICENSEE (NOT IBM) ASSUMES
+ * THE ENTIRE COST OF ALL SERVICING, REPAIR AND CORRECTION. IN
+ * NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+/* $XFree86: xc/lib/font/Type1/t1snap.c,v 1.3 1999/08/22 08:58:54 dawes Exp $ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "objects.h"
+#include "spaces.h"
+#include "paths.h"
+#include "pictures.h"
+
+/*
+:h2.Handle Functions
+
+:h3.Phantom() - Returns a Move Segment Equivalent to Handles
+
+This is a user operator. Its new name is QueryHandle.
+*/
+
+struct segment *
+t1_Phantom(struct segment *p) /* object to take the Phantom of */
+{
+ struct fractpoint pt; /* handle size will built here */
+
+ if (p == NULL)
+ pt.x = pt.y = 0;
+ else
+ PathDelta(p, &pt);
+
+ return(PathSegment(MOVETYPE, pt.x, pt.y));
+}
+
+/*
+:h3.Snap() - Force Ending Handle of Object to Origin
+
+This is a user operator.
+*/
+
+struct segment *
+t1_Snap(struct segment *p) /* path to snap */
+{
+ struct fractpoint pt; /* for finding length of path */
+
+ if (p == NULL)
+ return(NULL);
+ p = UniquePath(p);
+
+ PathDelta(p, &pt);
+ if (p->last->type == MOVETYPE) {
+ p->last->dest.x -= pt.x;
+ p->last->dest.y -= pt.y;
+ }
+ else
+ p = JoinSegment(p, MOVETYPE, -pt.x, -pt.y, NULL);
+ return(p);
+}