Added GPL Arcade Volleyball sources

project/jni/application/gav/gav-0.9.0/LogicalFrameSeq.cpp

@@ -0,0 +1,62 @@
+/* -*- 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);
+}