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tdemultimedia/kscd/kscdmagic/main.cpp

301 lines
5.9 KiB

/*
$Id$
kscdmagic 2.0 Dirk Försterling <milliByte@gmx.de>
based on:
kscdmagic 1.0 Bernd Johannes Wuebben <wuebben@kde.org>
based on:
Synaesthesia - program to display sound graphically
Copyright (C) 1997 Paul Francis Harrison
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.
The author may be contacted at:
pfh@yoyo.cc.monash.edu.au
27 Bond St., Mt. Waverley, 3149, Melbourne, Australia
*/
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#if defined(__linux__) || defined(__svr4__) || defined(__osf__)
#include <signal.h>
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <pwd.h>
#include <string.h>
#if defined(__linux__)
#include <getopt.h>
#endif
#include <tdelocale.h>
#include <tdeglobal.h>
#include <tdeapplication.h>
#include <tdeaboutdata.h>
#include <dcopclient.h>
#include <tdecmdlineargs.h>
#include "logo.h"
#include "magicconf.h"
#include "syna.h"
#include "version.h"
volatile short *data;
int outWidth, outHeight;
double brightnessTwiddler;
SymbolID fadeMode = Stars;
double starSize = 0.125;
bool pointsAreDiamonds = true;
const int numRows = 4;
const int rowHeight = 50;
const int leftColWidth = 40;
const int rowMaxWidth = 310;
const int sliderBorder = 20;
const int sliderWidth = rowMaxWidth - leftColWidth - sliderBorder*2;
const int numberSpacing = 15;
const int uiWidth = 330;
const int uiHeight = 135;
static int isExpanded = 0;
static double bright = 1.0;
Bitmap<unsigned short> outputBmp, lastOutputBmp, lastLastOutputBmp;
PolygonEngine<unsigned short,combiner,2> polygonEngine;
void
allocOutput(int w,int h)
{
outputBmp.size(w,h);
lastOutputBmp.size(w,h);
lastLastOutputBmp.size(w,h);
polygonEngine.size(w,h);
outWidth = w;
outHeight = h;
} // allocOutput()
void
setBrightness(double bright)
{
brightnessTwiddler = bright;
} // setBrightness()
static void
cleanup( int sig )
{
(void) sig;
closeSound();
exit(0);
} // cleanup()
// make sure the pid file is cleaned up when exiting unexpectedly.
void
catchSignals()
{
signal(SIGHUP, cleanup); /* Hangup */
signal(SIGINT, cleanup); /* Interrupt */
signal(SIGTERM, cleanup); /* Terminate */
signal(SIGPIPE, cleanup);
signal(SIGQUIT, cleanup);
} // catchSignals()
void
usage(char*)
{
fprintf(stderr, "Valid command line options:\n");
fprintf(stderr, " -b set brightness (1 - 10)\n");
fprintf(stderr, " -w set width\n");
fprintf(stderr, " -h set height\n");
exit(1);
} // usage()
void
error(const char *str, bool syscall) {
fprintf(stderr, PROGNAME ": Error %s\n",str);
if (syscall)
fprintf(stderr,"(reason for error: %s)\n",strerror(errno));
exit(1);
} // error()
void
warning(const char *str, bool syscall) {
fprintf(stderr, PROGNAME ": Possible error %s\n",str);
if (syscall)
fprintf(stderr,"(reason for error: %s)\n",strerror(errno));
} // warning()
int
processUserInput()
{
int mouseX, mouseY, mouseButtons;
char keyHit;
inputUpdate(mouseX,mouseY,mouseButtons,keyHit);
if( keyHit == 'q' )
return -1;
if (sizeUpdate())
{
isExpanded = 0;
}
return 0;
} // processUserInput()
int
main(int argc, char **argv)
{
int windX=10;
int windY=30;
int windWidth=uiWidth;
int windHeight=uiHeight;
int c;
int xx, xy;
opterr = 0;
/*
TDEAboutData aboutData( "kscdmagic", I18N_NOOP("kscdmagic"),
KSCDMAGICVERSION, I18N_NOOP("sound visualisation"),
TDEAboutData::License_GPL,
"(c) 2000, Dirk Försterling");
aboutData.addAuthor("Paul Harrison",0, "pfh@yoyo.cc.monash.edu.au");
aboutData.addAuthor("Dirk Försterling",0, "milliByte@gmx.net");
TDECmdLineArgs::init( argc, argv, &aboutData );
TDEApplication magicApp;
*/
openSound(SourceCD, 44100, "/dev/dsp", NULL);
catchSignals();
while ((c = getopt(argc, argv, "b:h:w:")) != -1){
switch (c)
{
case '?':
fprintf(stderr, "%s: unknown option \"%s\"\n",
argv[0], argv[optind-1]);
usage(argv[0]);
exit(1);
case 'b':
bright = (double) atoi(optarg);
bright = bright/10;
break;
case 'w':
windWidth = atoi(optarg);
break;
case 'h':
windHeight = atoi(optarg);
break;
}
}
if (bright > 1.0)
bright = 1.0;
else if (bright < 0.0)
bright = 0.0;
if (windWidth < 1)
windWidth = uiWidth;
if (windHeight < 1)
windHeight = uiHeight;
screenInit(windX,windY,windWidth,windHeight);
allocOutput(outWidth,outHeight);
coreInit();
setStarSize(starSize);
setBrightness(bright);
time_t timer = time(NULL);
int frames = 0;
for(;;) {
fade();
if (-1 == coreGo())
break;
polygonEngine.clear();
for( xy = 0; xy < 48; xy++)
{
for( xx = 0; xx < 48; xx++)
{
if ( logo[xy][xx] != 0)
{
polygonEngine.add(32769, xx+10, xy+3);
}
}
}
polygonEngine.apply(outputBmp.data);
screenShow();
frames++;
if(processUserInput() == -1)
break;
}
timer = time(NULL) - timer;
delete ucoutput;
closeSound();
if (timer > 10)
fprintf(stderr,"Frames per second: %f\n", double(frames)/timer);
return 0;
} // main() /* linux */
#else
int main()
{
fprintf(stderr,"KSCD Magic works currently only on Linux.\n"\
"It should however be trivial to port it to other platforms ...\n");
} // main() /* non-linux */
#endif