75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/*
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Copyright (C) 1998-99 Paul Barton-Davis
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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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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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$Id$
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*/
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#ifndef __qm_ellipsoid_h__
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#define __qm_ellipsoid_h__
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struct Arc
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{
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int rect_x;
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int rect_y;
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int rect_h;
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int rect_w;
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int start_angle;
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int arc_angle;
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bool counter_clockwise;
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};
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class Ellipsoid
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{
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int start_x;
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int end_x;
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int start_y;
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int end_y;
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static const unsigned int narcs;
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public:
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Arc arc[2];
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Ellipsoid () {
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start_x = -1;
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end_x = -1;
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}
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bool ready() { return start_x != -1 && end_x != -1; }
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void set_start (int x, int y);
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void set_end (int x, int y);
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void compute ();
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void set_start_angle (int n, int which_arc = -1) {
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if (which_arc < 0) {
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arc[0].start_angle = n * 64;
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arc[1].start_angle = n * 64;
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} else if (which_arc < (int) narcs) {
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arc[which_arc].start_angle = n * 64;
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}
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}
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void set_arc_angle (int n, int which_arc = -1) {
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if (which_arc < 0) {
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arc[0].arc_angle = n * 64;
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arc[1].arc_angle = n * 64;
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} else if (which_arc < (int) narcs) {
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arc[which_arc].arc_angle = n * 64;
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}
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}
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};
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#endif // __qm_ellipsoid_h__
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