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294a54846e
Sun Jul 30 12:52:16 CEST 2000 Stanislav Brabec <utx@penguin.cz>
* plug-ins/gap/gap_mov_dialog.c: Removed embedded EOLs and spaces from
tooltips, few typos.
Sun Jul 30 12:52:16 CEST 2000 Stanislav Brabec <utx@penguin.cz>
On request of Martin Weber <martweb@gmx.net>:
* plug-ins/sel2path/bitmap.h
* plug-ins/sel2path/bounding-box.h
* plug-ins/sel2path/global.h
* plug-ins/sel2path/math.c
* plug-ins/sel2path/vector.c
* plug-ins/sel2path/vector.h
plug-ins/sel2path has a number of functions that are declared as
returning a `const' return value. The ANSI spec is a bit vague on it,
but my reading of the spec indicates that the intent is that this is
not legal. In any case, at least one compiler (the compiler on AIX and
on IRIX and lcc) objects to functions that are declared/defined to
return a const value.
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/* bounding-box.h: operations on both real- and integer-valued bounding boxes.
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Copyright (C) 1992 Free Software Foundation, Inc.
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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, or (at your option)
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any later version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef BOUNDING_BOX_H
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#define BOUNDING_BOX_H
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#include "types.h"
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/* The bounding box's numbers are usually in Cartesian/Metafont
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coordinates: (0,0) is towards the lower left. */
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typedef struct
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{
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signed_4_bytes min_row, max_row;
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signed_4_bytes min_col, max_col;
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} bounding_box_type;
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typedef struct
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{
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real min_row, max_row;
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real min_col, max_col;
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} real_bounding_box_type;
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/* These accessing macros work for both types of bounding boxes, since
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the member names are the same. */
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#define MIN_ROW(bb) ((bb).min_row)
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#define MAX_ROW(bb) ((bb).max_row)
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#define MIN_COL(bb) ((bb).min_col)
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#define MAX_COL(bb) ((bb).max_col)
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/* See the comments at `get_character_bitmap' in gf_input.c for why the
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width and height are treated asymetrically. */
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#define BB_WIDTH(bb) (MAX_COL (bb) - MIN_COL (bb))
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#define BB_HEIGHT(bb) (MAX_ROW (bb) - MIN_ROW (bb) + 1)
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/* Convert a dimensions structure to an integer bounding box, and vice
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versa. */
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extern bounding_box_type dimensions_to_bb (dimensions_type);
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extern dimensions_type bb_to_dimensions (bounding_box_type);
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/* Update the bounding box BB from the point P. */
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extern void update_real_bounding_box (real_bounding_box_type *bb,
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real_coordinate_type p);
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extern void update_bounding_box (bounding_box_type *bb, coordinate_type p);
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#endif /* not BOUNDING_BOX_H */
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