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- /**********************************************************************\
-
- File: Ripple wipe.c
-
- Purpose: Graphic effect from offscreen bitmap to main window (on
- screen). See comments below for more description.
-
- 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 "timing.h"
-
- #define CorrectTime 1
- #define theWindowWidth (boundsRect.right-boundsRect.left)
- #define theWindowHeight (boundsRect.bottom-boundsRect.top)
-
- pascal short RippleWipe(GrafPtr sourceGrafPtr, GrafPtr destGrafPtr, Rect boundsRect);
-
- /* Like the Caste wipe up, except the screen is split into 6 sections, and the
- caste wipe is performed in each section -- hence the ripple effect. */
-
- pascal short RippleWipe(GrafPtr sourceGrafPtr, GrafPtr destGrafPtr, Rect boundsRect)
- {
- int bigy, littley, barpos;
- Rect src, dest;
- int BigRippleSize;
- int gap;
- RgnHandle boundsRgn;
-
- BigRippleSize=theWindowHeight/6; /* used to be 52 */
- gap=BigRippleSize/6; /* used to be 8 */
- boundsRgn=NewRgn();
- RectRgn(boundsRgn, &boundsRect);
- src.left = boundsRect.left;
- src.right = boundsRect.right;
-
- for(bigy = 0; bigy < theWindowHeight; bigy += BigRippleSize)
- {
- for(littley = bigy; littley < bigy + BigRippleSize; littley += gap)
- {
- for(barpos = bigy; barpos + gap < bigy + BigRippleSize; barpos += gap);
- for(; barpos >= littley; barpos -= gap)
- {
- StartTiming();
- src.top = boundsRect.top + littley;
- src.bottom = boundsRect.top + littley + gap;
- dest = src;
- dest.top = boundsRect.top + barpos;
- dest.bottom = dest.top + gap;
- CopyBits(&(sourceGrafPtr->portBits), &(destGrafPtr->portBits),
- &src, &dest, 0, boundsRgn);
- TimeCorrection(CorrectTime);
- }
- }
- }
-
- DisposeRgn(boundsRgn);
-
- return 0;
- }
-