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Viewing changes to app/paint/gimpink-blob.h

  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2005-04-04 14:51:23 UTC
  • Revision ID: james.westby@ubuntu.com-20050404145123-9py049eeelfymur8
Tags: upstream-2.2.2
Import upstream version 2.2.2

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app/paint/gimpink-blob.h
 
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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 __GIMP_INK_BLOB_H__
 
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#define __GIMP_INK_BLOB_H__
 
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typedef struct _BlobPoint BlobPoint;
 
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typedef struct _BlobSpan  BlobSpan;
 
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typedef struct _Blob      Blob;
 
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typedef Blob * (* BlobFunc) (gdouble xc,
 
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                             gdouble yc,
 
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                             gdouble xp,
 
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                             gdouble yp,
 
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                             gdouble xq,
 
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                             gdouble yq);
 
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struct _BlobPoint
 
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{
 
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  gint x;
 
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  gint y;
 
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};
 
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struct _BlobSpan
 
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{
 
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  gint left;
 
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  gint right;
 
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};
 
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struct _Blob
 
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{
 
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  gint     y;
 
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  gint     height;
 
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  BlobSpan data[1];
 
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};
 
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Blob * blob_polygon      (BlobPoint *points,
 
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                          gint       npoints);
 
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Blob * blob_square       (gdouble    xc,
 
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                          gdouble    yc,
 
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                          gdouble    xp,
 
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                          gdouble    yp,
 
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                          gdouble    xq,
 
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                          gdouble    yq);
 
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Blob * blob_diamond      (gdouble    xc,
 
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                          gdouble    yc,
 
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                          gdouble    xp,
 
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                          gdouble    yp,
 
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                          gdouble    xq,
 
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                          gdouble    yq);
 
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Blob * blob_ellipse      (gdouble    xc,
 
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                          gdouble    yc,
 
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                          gdouble    xp,
 
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                          gdouble    yp,
 
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                          gdouble    xq,
 
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                          gdouble    yq);
 
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void   blob_bounds       (Blob      *b,
 
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                          gint      *x,
 
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                          gint      *y,
 
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                          gint      *width,
 
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                          gint      *height);
 
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Blob * blob_convex_union (Blob      *b1,
 
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                          Blob      *b2);
 
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#endif /* __GIMP_INK_BLOB_H__ */