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Info_Mac IV CD-ROM (Pacific HiTech Inc.)(August 1994).iso
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MSG Demo 1.4.source Folder
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Demo ƒ
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Wipes reversed ƒ
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Ripple wipe reversed.c
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1994-04-15
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/**********************************************************************\
File: Ripple wipe reversed.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 RippleWipeReversed(GrafPtr sourceGrafPtr, GrafPtr destGrafPtr, Rect boundsRect);
/* Like Caste wipe down, except the screen is split into 6 sections, and the
caste wipe is performed in each section -- hence the ripple effect. */
pascal short RippleWipeReversed(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 = dest.left = boundsRect.left;
src.right = dest.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.bottom - littley - gap;
src.bottom = boundsRect.bottom - littley;
dest.top = boundsRect.bottom - barpos - gap;
dest.bottom = dest.top + gap;
CopyBits(&(sourceGrafPtr->portBits), &(destGrafPtr->portBits),
&src, &dest, 0, boundsRgn);
TimeCorrection(CorrectTime);
}
}
}
DisposeRgn(boundsRgn);
return 0;
}