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SnowPlug.cpp
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C/C++ Source or Header
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1997-06-28
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1KB
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77 lines
#include <sane.h>
#include <LowMem.h>
#include <A4Stuff.h>
#include <QuickDraw.h>
#include <Memory.h>
#include <Resources.h>
#include <Fonts.h>
#include <Dialogs.h>
#include <QDOffscreen.h>
#include <string.h>
#include <stdio.h>
#include <Timer.h>
char *memLoc = 0;
int wavePos = 0;
void initWavePlug()
{
}
void disposeWavePlug()
{
}
typedef struct {
TMTask task;
Ptr mainBaseAddr;
Size worldBytes;
Ptr worldBuffer;
short rowBytes;
short phase;
Rect size;
short offset;
} MyTaskRec;
void doWavePlug(MyTaskRec* myTask)
{
EnterCodeResource ();
short height = myTask -> size.bottom - myTask -> size.top;
short phase = myTask -> phase;
short rowBytes = myTask -> rowBytes;
Ptr worldBuffer = myTask -> worldBuffer;
Ptr screenBuffer = myTask -> mainBaseAddr;
int i;
for(i = 0; i < height; i++)
{
unsigned char ch;
char *j;
char *k;
k = screenBuffer + i * rowBytes;
for(j = worldBuffer + i * rowBytes; j <= worldBuffer + i * rowBytes + rowBytes - 1 ; j++)
{
memLoc++;
ch = *memLoc % 67;
if(memLoc > (char *)0x00040000)
memLoc = 0;;
if(ch == 65)
*k = 0;
else
if(ch == 27)
*k = 255;
else
*k = *j;
k++;
}
}
ExitCodeResource ();
}