77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/*
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*
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*/
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#ifndef BLI_RECT_H
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#define BLI_RECT_H
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/** \file BLI_rect.h
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* \ingroup bli
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*/
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struct rctf;
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struct rcti;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* BLI_rct.c */
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/**
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* Determine if a rect is empty. An empty
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* rect is one with a zero (or negative)
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* width or height.
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*
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* @return True if @a rect is empty.
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*/
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int BLI_rcti_is_empty(struct rcti *rect);
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int BLI_rctf_is_empty(struct rctf *rect);
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void BLI_init_rctf(struct rctf *rect, float xmin, float xmax, float ymin, float ymax);
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void BLI_init_rcti(struct rcti *rect, int xmin, int xmax, int ymin, int ymax);
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void BLI_translate_rctf(struct rctf *rect, float x, float y);
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void BLI_translate_rcti(struct rcti *rect, int x, int y);
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void BLI_resize_rcti(struct rcti *rect, int x, int y);
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void BLI_resize_rctf(struct rctf *rect, float x, float y);
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int BLI_in_rcti(struct rcti *rect, int x, int y);
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int BLI_in_rctf(struct rctf *rect, float x, float y);
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int BLI_isect_rctf(struct rctf *src1, struct rctf *src2, struct rctf *dest);
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int BLI_isect_rcti(struct rcti *src1, struct rcti *src2, struct rcti *dest);
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void BLI_union_rctf(struct rctf *rcta, struct rctf *rctb);
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void BLI_union_rcti(struct rcti *rcti1, struct rcti *rcti2);
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void BLI_copy_rcti_rctf(struct rcti *tar, const struct rctf *src);
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void print_rctf(const char *str, struct rctf *rect);
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void print_rcti(const char *str, struct rcti *rect);
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#ifdef __cplusplus
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}
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#endif
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#endif
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