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- /**********************************************************************\
-
- File: Circle serendipity.c
-
- Purpose: This module handles clearing the screen in a funky
- manner. See the comments below for more details.
-
-
- Shutdown FX -=- graphic effects on shutdown
- Copyright (C) 1993 Mark Pilgrim & Dave Blumenthal
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program in a file named "GNU General Public License".
- If not, write to the Free Software Foundation, 675 Mass Ave,
- Cambridge, MA 02139, USA.
-
- \**********************************************************************/
-
- #include "msg timing.h"
-
- #define gap 7
- #define CorrectTime 2
-
- void CircleSerendipity(Pattern *thePattern, int width, int height);
-
- /* I haven't the slightest idea why this works. Hence the name. -MP */
-
- void CircleSerendipity(Pattern *thePattern, int width, int height)
- {
- Rect theRect;
- Rect source;
- RgnHandle curregion;
- Point zeropoint;
-
- source.top=source.left=0;
- source.right=width;
- source.bottom=height;
-
- theRect=source;
- theRect.top-=height;
- OffsetRect(&theRect,0,-height);
-
- curregion=NewRgn();
- SetEmptyRgn(curregion);
- OpenRgn();
- FrameOval(&theRect);
- CloseRgn(curregion);
- zeropoint.v=height;
- zeropoint.h=0;
- do
- {
- StartTiming();
- FillRgn(curregion, *thePattern);
- OffsetRgn(curregion, 0, gap);
- TimeCorrection(CorrectTime);
- }
- while (!(PtInRgn(zeropoint, curregion)));
-
- SetRect(&theRect, 0, 0, width, height);
- FillRect(&theRect, *thePattern);
-
- DisposeRgn(curregion);
- }
-