зеркало из https://github.com/mozilla/pjs.git
66 строки
1.8 KiB
C
66 строки
1.8 KiB
C
|
/* Libart_LGPL - library of basic graphic primitives
|
||
|
* Copyright (C) 1998 Raph Levien
|
||
|
*
|
||
|
* This library is free software; you can redistribute it and/or
|
||
|
* modify it under the terms of the GNU Library General Public
|
||
|
* License as published by the Free Software Foundation; either
|
||
|
* version 2 of the License, or (at your option) any later version.
|
||
|
*
|
||
|
* This library is distributed in the hope that it will be useful,
|
||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
* Library General Public License for more details.
|
||
|
*
|
||
|
* You should have received a copy of the GNU Library General Public
|
||
|
* License along with this library; if not, write to the
|
||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
* Boston, MA 02111-1307, USA.
|
||
|
*/
|
||
|
|
||
|
#include "art_misc.h"
|
||
|
#include "art_svp.h"
|
||
|
#include "art_rect.h"
|
||
|
#include "art_rect_svp.h"
|
||
|
|
||
|
/**
|
||
|
* art_drect_svp: Find the bounding box of a sorted vector path.
|
||
|
* @bbox: Where to store the bounding box.
|
||
|
* @svp: The SVP.
|
||
|
*
|
||
|
* Finds the bounding box of the SVP.
|
||
|
**/
|
||
|
void
|
||
|
art_drect_svp (ArtDRect *bbox, const ArtSVP *svp)
|
||
|
{
|
||
|
int i;
|
||
|
|
||
|
bbox->x0 = 0;
|
||
|
bbox->y0 = 0;
|
||
|
bbox->x1 = 0;
|
||
|
bbox->y1 = 0;
|
||
|
|
||
|
for (i = 0; i < svp->n_segs; i++)
|
||
|
{
|
||
|
art_drect_union (bbox, bbox, &svp->segs[i].bbox);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* art_drect_svp_union: Compute the bounding box of the svp and union it in to the existing bounding box.
|
||
|
* @bbox: Initial boundin box and where to store the bounding box.
|
||
|
* @svp: The SVP.
|
||
|
*
|
||
|
* Finds the bounding box of the SVP, computing its union with an
|
||
|
* existing bbox.
|
||
|
**/
|
||
|
void
|
||
|
art_drect_svp_union (ArtDRect *bbox, const ArtSVP *svp)
|
||
|
{
|
||
|
int i;
|
||
|
|
||
|
for (i = 0; i < svp->n_segs; i++)
|
||
|
{
|
||
|
art_drect_union (bbox, bbox, &svp->segs[i].bbox);
|
||
|
}
|
||
|
}
|