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- /* blob.h: routines for manipulating scan converted convex
- * polygons.
- *
- * Copyright 1998, Owen Taylor <otaylor@gtk.org>
- *
- * > Please contact the above author before modifying the copy <
- * > of this file in the GIMP distribution. Thanks. <
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- */
-
- #ifndef __BLOB_H__
- #define __BLOB_H__
-
- typedef struct _BlobPoint BlobPoint;
- typedef struct _BlobSpan BlobSpan;
- typedef struct _Blob Blob;
-
- struct _BlobPoint {
- int x;
- int y;
- };
-
- struct _BlobSpan {
- int left;
- int right;
- };
-
- struct _Blob {
- int y;
- int height;
- BlobSpan data[1];
- };
-
-
- Blob *blob_convex_union (Blob *b1, Blob *b2);
- Blob *blob_polygon (BlobPoint *points, int npoints);
- Blob *blob_square (double xc, double yc, double xp, double yp, double xq, double yq);
- Blob *blob_diamond (double xc, double yc, double xp, double yp, double xq, double yq);
- Blob *blob_ellipse (double xc, double yc, double xp, double yp, double xq, double yq);
- void blob_bounds(Blob *b, int *x, int *y, int *width, int *height);
-
- #endif /* __BLOB_H__ */
-