mirror of https://github.com/GNOME/gimp.git
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/* blob.h: routines for manipulating scan converted convex
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* polygons.
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*
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* Copyright 1998, Owen Taylor <otaylor@gtk.org>
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*
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* > Please contact the above author before modifying the copy <
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* > of this file in the GIMP distribution. Thanks. <
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __BLOB_H__
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#define __BLOB_H__
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typedef struct _BlobSpan BlobSpan;
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typedef struct _Blob Blob;
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struct _BlobSpan {
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int left;
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int right;
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};
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struct _Blob {
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int y;
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int height;
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BlobSpan data[0]; /* slightly in violation of ANSI-C? */
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};
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Blob *blob_convex_union (Blob *b1, Blob *b2);
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Blob *blob_ellipse (double xc, double yc, double xp, double yp, double xq, double yq);
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void blob_bounds(Blob *b, int *x, int *y, int *width, int *height);
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#endif __BLOB_H__
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