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/* -*- C++ -*- */
/*
GAV - Gpl Arcade Volleyball
Copyright (C) 2002
GAV team (http://sourceforge.net/projects/gav/)
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "LogicalFrameSeq.h"
#include "GameRenderer.h"
#include "globals.h"
using namespace std;
/*
start - the starting width
zoom - the zoom factor calculated from background ratio
step - the new width must be a 'step' multiple
returns the zoom factor nearest to 'zoom', in order to obtain a 'step'
multiple.
*/
double exactScaleFactor(int startw, double zoom, int step) {
if ( step == 1 ) return zoom;
double corr = 0.0;
double ratio = 1/zoom;
double fract = (double) startw / ratio;
int temp = (int) round(fract / step);
int adjustedResize = temp * step;
// printf("W: %d NP: %d\n", startw, temp);
double adjustedRatio = (double) startw / (double) adjustedResize;
/*
int tmp2 = (int) (startw / adjustedRatio);
// printf ("ar: %g tmp2: %d\n", adjustedRatio, tmp2);
if ( tmp2 < adjustedResize )
corr = 0.5;
*/
return (1/adjustedRatio + (corr/(double) startw));
}
void LogicalFrameSeq::blit(int idx, SDL_Surface *dest,
SDL_Rect *rect) {
gameRenderer->display(dest, rect, _actualFrameSeq, idx);
}
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