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tdeaddons/noatun-plugins/synaescope/main.cpp

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/* Synaescope - a pretty noatun visualization (based on P. Harrison's Synaesthesia)
Copyright (C) 1997 Paul Francis Harrison <pfh@yoyo.cc.monash.edu.au>
2001 Charles Samuels <charles@kde.org>
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <pwd.h>
#include <string.h>
#include <math.h>
#include "syna.h"
void Core::allocOutput(int w,int h)
{
#if 0
delete[] output;
delete[] lastOutput;
delete[] lastLastOutput;
output = new unsigned char[w*h*2];
lastOutput = new unsigned char[w*h*2];
lastLastOutput = new unsigned char[w*h*2];
memset(output,32,w*h*2);
memset(lastOutput,32,w*h*2);
outWidth = w;
outHeight = h;
#endif
outputBmp.size(w,h);
lastOutputBmp.size(w,h);
lastLastOutputBmp.size(w,h);
polygonEngine.size(w,h);
outWidth = w;
outHeight = h;
}
void Core::toDefaults()
{
fadeMode = Stars;
pointsAreDiamonds = true;
brightnessTwiddler = 0.33; //0.125;
starSize = 0.125;
fgRedSlider=0.0;
fgGreenSlider=0.5;
bgRedSlider=1.0;
bgGreenSlider=0.2;
}
Core::Core() : StereoScope(40)
{
setSamples(NumSamples);
core = this;
int i;
data = new sampleType[NumSamples*2+16];
for(i=0;i<NumSamples;i++)
{
negSinTable[i] = -sin(3.141592*2.0/NumSamples*i);
cosTable[i] = cos(3.141592*2.0/NumSamples*i);
bitReverse[i] = bitReverser(i);
}
}
bool Core::init ( void )
{
windX = 1;
windY = 1;
screen = new SdlScreen;
if (!screen->init(windX,windY,windWidth,windHeight,false))
{
delete screen;
screen = 0;
return false;
}
allocOutput(outWidth,outHeight);
setStarSize(starSize);
interface = new Interface;
return true;
}
Core::~Core()
{
delete interface;
screen->end();
delete screen;
}
bool Core::go()
{
time_t startTime = time(0);
time_t currentTime = time(0);
time_t lastTime = 0;
char fpsString[32];
int frames = 0;
double fps=0;
// printf("%u\n", static_cast<SdlScreen *>(screen)->winID());
// fflush(stdout);
while (1)
{
fade();
if (!calculate())
break;
if (!interface->go()) break;
screen->show();
frames++;
currentTime = time(0) - startTime;
if ((currentTime - lastTime) > 1) // update fps display every 2 seconds
{
fps = double(frames) / currentTime;
lastTime = currentTime;
snprintf(fpsString, 32, "Noatun - Synaescope: %.2f fps", fps);
screen->updateWindowCaption(&fpsString[0]);
}
if (fps>25.0)
usleep(5);
}
return true;
}
bool start()
{
return true;
}
void error(const char *str, bool)
{
fprintf(stderr, "synaescope: Error %s\n",str);
// if (syscall)
// fprintf(stderr,"(reason for error: %s)\n",strerror(errno));
exit(1);
}
void warning(const char *str, bool)
{
fprintf(stderr, "synaescope: Possible error %s\n",str);
// if (syscall)
// fprintf(stderr,"(reason for error: %s)\n",strerror(errno));
}
#include <kinstance.h>
#include <kglobal.h>
#include <kconfig.h>
int main(void)
{
KInstance in("noatunsynaescope");
core = new Core;
KConfig mConfig("noatunrc");
mConfig.setGroup("Synaescope");
core->windWidth = mConfig.readNumEntry("xResolution", 320);
core->windHeight = mConfig.readNumEntry("yResolution", 240);
if ( core->init() )
core->go();
delete core;
exit(0);
}