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tdeaddons/noatun-plugins/nexscope/nex.cpp

598 lines
9.7 KiB

#include "nex.h"
#include "gui.h"
#include <unistd.h>
#include <tdeapplication.h>
#include <tdeaboutdata.h>
#include <tdecmdlineargs.h>
#include <tdelocale.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqcheckbox.h>
#include <tqmultilineedit.h>
#include "renderers.h"
Mutex runLock;
Nex *Nex::sNex=0;
TQTime timer;
Renderer::Renderer() {}
Renderer::~Renderer() {}
Thread::Thread() : mThread(0)
{
}
Thread::~Thread()
{
if (mThread)
kill();
}
void Thread::start()
{
mThread=SDL_CreateThread(&threadRun, (void*)this);
}
void Thread::kill()
{
SDL_KillThread(mThread);
}
int Thread::wait()
{
int val;
SDL_WaitThread(mThread, &val);
return val;
}
int Thread::threadRun(void *v)
{
Thread *t=(Thread*)v;
return t->run();
}
NexCheckBox::NexCheckBox(TQWidget *parent,
const TQString &name, bool *v)
: TQCheckBox(name, parent)
{
value=v;
setChecked(*v);
connect(this, TQ_SIGNAL(toggled(bool)), TQ_SLOT(change(bool)));
}
void NexCheckBox::change(bool b)
{
*value=b;
}
NexColorButton::NexColorButton(TQWidget *parent, Pixel *color)
: KColorButton(parent)
{
c=color;
TQColor temp( (*c >> 16) & 0xFF, (*c >> 8) & 0xFF, *c & 0xFF);
setColor(temp);
connect(this, TQ_SIGNAL(changed(const TQColor&)), TQ_SLOT(change(const TQColor&)));
}
void NexColorButton::change(const TQColor &co)
{
*c= COLOR(tqRed(co.rgb()), tqGreen(co.rgb()), tqBlue(co.rgb()));
}
void Bitmap::resize(int w, int h)
{
delete [] mData;
mData=new Pixel[w*h];
}
void Bitmap::clear()
{
memset(mData, 0, bytes());
}
void Bitmap::drawCircle(int x, int y, int r, Pixel color)
{
int16_t cx = 0;
int16_t cy = r;
int16_t ocx = -1;
int16_t ocy = -1;
int16_t df = 1 - r;
int16_t d_e = 3;
int16_t d_se = -2 * r + 5;
int16_t xpcx, xmcx, xpcy, xmcy;
int16_t ypcy, ymcy, ypcx, ymcx;
do
{ // Draw
if ((ocy!=cy) || (ocx!=cx))
{
xpcx=x+cx;
xmcx=x-cx;
if (cy>0)
{
ypcy=y+cy;
ymcy=y-cy;
setPixel(xmcx,ypcy,color);
setPixel(xpcx,ypcy,color);
setPixel(xmcx,ymcy,color);
setPixel(xpcx,ymcy,color);
}
else
{
setPixel(xmcx,y,color);
setPixel(xpcx,y,color);
}
ocy=cy;
xpcy=x+cy;
xmcy=x-cy;
if (cx>0)
{
ypcx=y+cx;
ymcx=y-cx;
setPixel(xmcy,ypcx,color);
setPixel(xpcy,ypcx,color);
setPixel(xmcy,ymcx,color);
setPixel(xpcy,ymcx,color);
}
else
{
setPixel(xmcy,y,color);
setPixel(xpcy,y,color);
}
ocx=cx;
}
// Update
if (df < 0)
{
df += d_e;
d_e += 2;
d_se += 2;
}
else
{
df += d_se;
d_e += 2;
d_se += 4;
cy--;
}
cx++;
} while(cx <= cy);
}
void Bitmap::fillCircle(int x, int y, int r, Pixel color)
{
int16_t cx = 0;
int16_t cy = r;
int16_t ocx = -1;
int16_t ocy = -1;
int16_t df = 1 - r;
int16_t d_e = 3;
int16_t d_se = -2 * r + 5;
int16_t xpcx, xmcx, xpcy, xmcy;
int16_t ypcy, ymcy, ypcx, ymcx;
do
{ // Draw
if ((ocy!=cy) || (ocx!=cx))
{
xpcx=x+cx;
xmcx=x-cx;
if (cy>0)
{
ypcy=y+cy;
ymcy=y-cy;
setPixel(xmcx,ypcy,color);
setPixel(xpcx,ypcy,color);
setPixel(xmcx,ymcy,color);
setPixel(xpcx,ymcy,color);
for (int h=xmcx; h<xpcx; h++)
setPixel(h, ypcy, color);
for (int h=xmcx; h<xpcx; h++)
setPixel(h, ymcy, color);
}
else
{
setPixel(xmcx,y,color);
setPixel(xpcx,y,color);
for (int h=xmcx; h<xpcx; h++)
setPixel(h, y, color);
}
ocy=cy;
xpcy=x+cy;
xmcy=x-cy;
if (cx>0)
{
ypcx=y+cx;
ymcx=y-cx;
setPixel(xmcy,ypcx,color);
setPixel(xpcy,ypcx,color);
setPixel(xmcy,ymcx,color);
setPixel(xpcy,ymcx,color);
for (int h=xmcy; h<xpcy; h++)
setPixel(h, ypcx, color);
for (int h=xmcy; h<xpcy; h++)
setPixel(h, ymcx, color);
}
else
{
setPixel(xmcy,y,color);
setPixel(xpcy,y,color);
for (int h=xmcy; h<xpcy; h++)
setPixel(h, y, color);
}
ocx=cx;
}
// Update
if (df < 0)
{
df += d_e;
d_e += 2;
d_se += 2;
}
else
{
df += d_se;
d_e += 2;
d_se += 4;
cy--;
}
cx++;
} while(cx <= cy);
}
void Bitmap::drawLine(int x1, int y1, int x2, int y2, Pixel color)
{
// Variable setup
int dx = x2 - x1;
int sx = (dx >= 0) ? 1 : -1;
dx = sx * dx + 1;
int dy = y2 - y1;
int sy = (dy >= 0) ? 1 : -1;
dy = sy * dy + 1;
int pixx = sizeof(Pixel);
int pixy = width*sizeof(Pixel);
uint8_t *pixel = (uint8_t*)pixels() + pixx * x1 + pixy * y1;
pixx *= sx;
pixy *= sy;
if (dx < dy)
{
int swaptmp = dx;
dx = dy;
dy = swaptmp;
swaptmp = pixx;
pixx = pixy;
pixy = swaptmp;
}
// Draw
int y=0;
for(int x=0; x < dx; x++, pixel += pixx)
{
*(Pixel*)pixel=color;
y += dy;
if (y >= dx)
{
y -= dx;
pixel += pixy;
}
}
}
RendererList::RendererList() : mClearAfter(false)
{
mFrame=nex->bitmapPool()->get(true);
}
RendererList::~RendererList()
{
nex->bitmapPool()->release(mFrame);
}
Bitmap *RendererList::render(float *pcm[4], Bitmap *source)
{
if (mClearAfter) mFrame->clear();
lock();
for (TQPtrListIterator<Renderer> i(mRendererList); i.current(); ++i)
{
Bitmap *newframe=(*i)->render(pcm, mFrame);
if (newframe!=mFrame)
{
nex->bitmapPool()->release(mFrame);
mFrame=newframe;
}
}
unlock();
// add source+=source; return source;
uint8_t *d=(uint8_t*)source->pixels();
uint8_t *end=(uint8_t*)((uint8_t*)d+source->bytes());
uint8_t *s=(uint8_t*)mFrame->pixels();
while (d<end)
{
int dest=*d;
if (dest && ((dest | *s) & 128))
{
// there's danger of going past 0xFF
dest+=*s;
if (dest & 256)
*d=0xFF; // oops, we did!
else
*d=dest;
}
else
{
// if neither touch the 128th bit, then the sum
// can't possibly be more than 0xFF
*d=dest+*s;
}
++s;
++d;
}
return source;
}
void RendererList::save(TQDomElement &e)
{
lock();
e.setTagName("List");
for (TQPtrListIterator<Renderer> i(mRendererList); *i; ++i)
{
TQDomElement item;
(*i)->save(item);
e.appendChild(item);
}
unlock();
}
void RendererList::load(const TQDomElement &e)
{
lock();
for (TQDomNode n=e.firstChild(); !n.isNull(); n=n.nextSibling())
{
if (!n.isElement()) continue;
TQDomElement child=n.toElement();
Renderer *r=0;
if (e.tagName()=="List")
r=new RendererList;
else
r=nex->renderer(e.tagName());
if (!r) continue;
r->load(child);
mRendererList.append(r);
}
unlock();
}
TQWidget *RendererList::configure(TQWidget *parent)
{
return new RendererListConfigurator(this, parent);
}
RendererListConfigurator::RendererListConfigurator(RendererList *l, TQWidget *parent)
: TQWidget(parent), mList(l)
{
(new TQVBoxLayout(this))->setAutoAdd(true);
mErase=new TQCheckBox(i18n("&Erase between frames"), this);
connect(mErase, TQ_SIGNAL(toggled(bool)), TQ_SLOT(eraseOn(bool)));
mErase->setChecked(mList->mClearAfter);
if (nex->rendererList()==l)
{
TQCheckBox *mConvolve=new TQCheckBox(i18n("&Convolve audio"), this);
connect(mConvolve, TQ_SIGNAL(toggled(bool)), TQ_SLOT(convolve(bool)));
mConvolve->setChecked(nex->input()->convolve());
}
new TQLabel(i18n("Comments"), this);
mComments=new TQMultiLineEdit(this);
mComments->setText(l->mComments);
mComments->setWordWrap(TQMultiLineEdit::WidgetWidth);
}
RendererListConfigurator::~RendererListConfigurator()
{
mList->mComments=mComments->text();
}
void RendererListConfigurator::eraseOn(bool state)
{
mList->mClearAfter=state;
}
void RendererListConfigurator::convolve(bool state)
{
nex->input()->setConvolve(state);
}
#define INSERT(name, func) mCreators.insert(name, new CreatorSig*(&func))
Nex::Nex()
{
sNex=this;
mBitmapPool=0;
mRendererList=0;
setupSize(width, height);
INSERT("Fade", Creators::fade);
INSERT("Doubler", Creators::doubler);
INSERT("Waveform", Creators::waveform);
INSERT("Hartley", Creators::hartley);
}
#undef INSERT
void Nex::setupSize(int , int )
{
mInput=new Input;
delete mBitmapPool;
delete mRendererList;
mBitmapPool=new BitmapPool();
mRendererList=new RendererList;
}
Nex::~Nex()
{
delete mRendererList;
delete mBitmapPool;
}
#define NOTHREAD
void Nex::go()
{
runLock.unlock();
float *audio[6];
Bitmap *frame;
frame=mBitmapPool->get(true);
int frames=0;
TQTime start(TQTime::currentTime());
while (1)
{
mInput->getAudio(audio);
mRendererList->render(audio, frame);
int result=mOutput.display(frame);
frames++;
switch (result)
{
case OutputSDL::Exit:
std::cerr << "Trying" << std::endl;
delete mInput;
std::cerr << "Deleted" << std::endl;
std::cout << "Frames per Second: "
<< frames/start.secsTo(TQTime::currentTime()) << std::endl;
return;
case OutputSDL::Resize:
// setupSize(width, height);
break;
}
#ifdef NOTHREAD
kapp->processEvents();
#endif
frame->clear();
}
}
Renderer *Nex::renderer(const TQString &name)
{
CreatorSig **sig=mCreators[name];
if (sig)
return (**sig)();
else
return 0;
}
TQStringList Nex::renderers() const
{
TQDictIterator<CreatorSig*> i(mCreators);
TQStringList list;
for (;i.current(); ++i)
list += i.currentKey();
return list;
}
#ifndef NOTHREAD
class VisThread : public Thread
{
public:
virtual int run()
{
Nex::sNex->go();
exit(0);
return 0;
}
};
#endif
int main(int argc, char **argv)
{
Nex theNex;
Nex::sNex=&theNex;
#ifndef NOTHREAD
runLock.lock();
VisThread vis;
vis.start();
runLock.lock();
#endif
TDEAboutData aboutData("nex", I18N_NOOP("Nex"), "0.0.1",
I18N_NOOP("The awesome customizable scope"),
TDEAboutData::License_LGPL, "(C) 2001 Charles Samuels", 0,
"http://noatun.kde.org");
aboutData.addAuthor("Charles Samuels", I18N_NOOP("Nex Author"),
"charles@kde.org");
TDECmdLineArgs::init( argc, argv, &aboutData );
TDEApplication app;
(new Control)->show();
#ifdef NOTHREAD
theNex.go();
#else
app.exec();
vis.wait();
#endif
exit(0); //prevent segfault on exit, for some reason
return 0;
}
#include "nex.moc"