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/************************************************************************
* This file is part of Wizznic. *
* Copyright 2009-2012 Jimmy Christensen <dusted@dusted.dk> *
* Wizznic 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 3 of the License, or *
* (at your option) any later version. *
* *
* Wizznic 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 Wizznic. If not, see <http://www.gnu.org/licenses/>. *
************************************************************************/
#include "swscale.h"
#include "settings.h"
#include "defs.h"
#include "pixel.h"
static SDL_Surface* scale;
SDL_Surface* swScaleInit( int sdlVideoModeFlags, int doScale )
{
scale = SDL_SetVideoMode(SCREENW*doScale,SCREENH*doScale,16, sdlVideoModeFlags);
SDL_Surface* screen = SDL_CreateRGBSurface(SDL_SWSURFACE, 320,240,16, scale->format->Rmask,scale->format->Gmask,scale->format->Bmask,0xff000000);
//Set scaling
setting()->scaleFactor= (float)scale->h/240.0;
return( screen );
}
void swScale( SDL_Surface* screen, int doScale )
{
if(doScale==2)
{
int x,xx,y,yy;
for(y=0; y< SCREENH; y++)
{
for(x=0; x < SCREENW; x++)
{
uint16_t c = freadPixel(screen,x,y);/*SDL_MapRGB(scale->format,r,g,b);*/
xx=x*2;
yy=y*2;
plotPixelu(scale, xx,yy, c);
plotPixelu(scale, xx+1,yy, c);
plotPixelu(scale, xx,yy+1, c);
plotPixelu(scale, xx+1,yy+1, c);
}
}
} else if(doScale>2)
{
int x,y;
SDL_Rect r;
for(y=0; y< SCREENH; y++)
{
for(x=0; x < SCREENW; x++)
{
r.x=x*doScale;
r.y=y*doScale;
r.w=doScale;
r.h=doScale;
SDL_FillRect(scale, &r, freadPixel(screen,x,y));
}
}
}
if( doScale > -1 )
{
SDL_Flip(scale);
}
}
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