зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
1.8 KiB
C
66 строки
1.8 KiB
C
/* Libart_LGPL - library of basic graphic primitives
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* Copyright (C) 1998 Raph Levien
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "art_misc.h"
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#include "art_svp.h"
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#include "art_rect.h"
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#include "art_rect_svp.h"
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/**
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* art_drect_svp: Find the bounding box of a sorted vector path.
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* @bbox: Where to store the bounding box.
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* @svp: The SVP.
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*
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* Finds the bounding box of the SVP.
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**/
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void
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art_drect_svp (ArtDRect *bbox, const ArtSVP *svp)
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{
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int i;
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bbox->x0 = 0;
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bbox->y0 = 0;
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bbox->x1 = 0;
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bbox->y1 = 0;
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for (i = 0; i < svp->n_segs; i++)
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{
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art_drect_union (bbox, bbox, &svp->segs[i].bbox);
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}
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}
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/**
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* art_drect_svp_union: Compute the bounding box of the svp and union it in to the existing bounding box.
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* @bbox: Initial boundin box and where to store the bounding box.
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* @svp: The SVP.
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*
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* Finds the bounding box of the SVP, computing its union with an
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* existing bbox.
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**/
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void
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art_drect_svp_union (ArtDRect *bbox, const ArtSVP *svp)
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{
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int i;
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for (i = 0; i < svp->n_segs; i++)
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{
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art_drect_union (bbox, bbox, &svp->segs[i].bbox);
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}
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}
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