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#include <stdlib.h>
#include <string.h>
#include "plugin.h"
#include "pixels.h"
void perform_copy(_frame f1, _frame f2, _args a)
{
pixels px(f2);
pixel16 *p16;
pixel24 *p24;
pixel32 *p32;
int tile, tiley=-1, prevy=-1;
char *t;
tile = atoi(a.s);
if(tile<=0) tile=2;
if(t = strstr(a.s, " "))
{
tiley = atoi(t+1);
if(tiley<=0) tiley=2;
}
// i could have the switch() inside the while-loop..
// but is it more efficient this way?
switch(f1.pixelformat)
{
case 16:
while(!px.eof()) {
if(px.y != prevy) {
p16 = scanline16(f1, (px.y * (tiley>0 ? tiley : tile))%f1.height);
prevy = px.y;
}
px.dot16(p16[ (px.x * tile)%f1.width ]);
px.next();
}
break;
case 24:
while(!px.eof()) {
if(px.y != prevy) {
p24 = scanline24(f1, (px.y * (tiley>0 ? tiley : tile))%f1.height);
prevy = px.y;
}
px.dot24(p24[ (px.x * tile)%f1.width ]);
px.next();
}
break;
case 32:
while(!px.eof()) {
if(px.y != prevy) {
p32 = scanline32(f1, (px.y * (tiley>0 ? tiley : tile))%f1.height);
prevy = px.y;
}
px.dot32(p32[ (px.x * tile)%f1.width ]);
px.next();
}
break;
}
}
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