1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
|
/*
* Fenix - Videogame compiler/interpreter
* Current release : FENIX - PROJECT 1.0 - R 0.84
* Last stable release :
* Project documentation : http://fenix.divsite.net
*
*
* 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Copyright 1999 Jos Luis Cebrin Page
* Copyright 2002 Fenix Team
*
*/
/* By Splinter 2007 */
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "fxi.h"
void scale_normal2x(Uint8 *srcPtr, Uint32 srcPitch, Uint8 *dstPtr, Uint32 dstPitch, int width, int height)
{
const Uint32 nextlineSrc = srcPitch / sizeof(Uint16);
const Uint16 *p = (const Uint16 *)srcPtr;
const Uint32 nextlineDst = dstPitch / sizeof(Uint16);
Uint16 *q = (Uint16 *)dstPtr;
while (height--) {
int tmpWidth = width;
while (tmpWidth--) {
*q=*p;
*(q+nextlineDst)=*p;
q++;
*q=*p;
*(q+nextlineDst)=*p;
q++;
p++;
}
p += nextlineSrc - width;
q += (nextlineDst - width) * 2;
}
}
|