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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2013-01-26 13:16:15 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2013-01-26 13:16:15 -0600 |
commit | 7e09b5c2efae58399621a938de26b9675b8ba621 (patch) | |
tree | de2c9535e1f4c48ae91910492d298eba1d593fd5 /kscreensaver/kdesavers/lorenz.cpp | |
parent | 159f7e147ac33c924b3ce9050c8f03cbc54916ee (diff) | |
download | tdeartwork-7e09b5c2efae58399621a938de26b9675b8ba621.tar.gz tdeartwork-7e09b5c2efae58399621a938de26b9675b8ba621.zip |
Rename a number of libraries and executables to avoid conflicts with KDE4
Diffstat (limited to 'kscreensaver/kdesavers/lorenz.cpp')
-rw-r--r-- | kscreensaver/kdesavers/lorenz.cpp | 569 |
1 files changed, 0 insertions, 569 deletions
diff --git a/kscreensaver/kdesavers/lorenz.cpp b/kscreensaver/kdesavers/lorenz.cpp deleted file mode 100644 index e4e5f63c..00000000 --- a/kscreensaver/kdesavers/lorenz.cpp +++ /dev/null @@ -1,569 +0,0 @@ -//----------------------------------------------------------------------------- -// -// Lorenz - Lorenz Attractor screen saver -// Nicolas Brodu, brodu@kde.org, 2000 -// -// Portions of code from kblankscrn and khop. -// See authors there. -// -// I release my code as GPL, but see the other headers and the README - -#include <math.h> -#include <stdlib.h> - -#include <tqpainter.h> -#include <tqslider.h> -#include <tqlayout.h> -#include <tqcolor.h> -#include <tqlabel.h> - -#include <kapplication.h> -#include <klocale.h> -#include <kglobal.h> -#include <kconfig.h> -#include <kmessagebox.h> - -#include "lorenz.h" -#include "lorenz.moc" - -// libkscreensaver interface -extern "C" -{ - KDE_EXPORT const char *kss_applicationName = "klorenz.kss"; - KDE_EXPORT const char *kss_description = I18N_NOOP( "KLorenz" ); - KDE_EXPORT const char *kss_version = "2.2.0"; - - KDE_EXPORT KScreenSaver *kss_create( WId id ) - { - return new KLorenzSaver( id ); - } - - KDE_EXPORT TQDialog *kss_setup() - { - return new KLorenzSetup(); - } -} - -#define MINSPEED 1 -#define MAXSPEED 1500 -#define DEFSPEED 150 -#define MINZROT -180 -#define MAXZROT 180 -#define DEFZROT 104 //100 -#define MINYROT -180 -#define MAXYROT 180 -#define DEFYROT -19 //80 -#define MINXROT -180 -#define MAXXROT 180 -#define DEFXROT 25 //20 -#define MINEPOCH 1 -#define MAXEPOCH 30000 -#define DEFEPOCH 5800 -#define MINCOLOR 1 -#define MAXCOLOR 100 -#define DEFCOLOR 20 - -//----------------------------------------------------------------------------- -// dialog to setup screen saver parameters -// -KLorenzSetup::KLorenzSetup( TQWidget *parent, const char *name ) - : KDialogBase( parent, name, true, i18n( "Setup Lorenz Attractor" ), - Ok|Cancel|Default|Help, Ok, true ) -{ - readSettings(); - - setButtonText( Help, i18n( "A&bout" ) ); - TQWidget *main = makeMainWidget(); - - TQHBoxLayout *tl = new TQHBoxLayout( main, 0, spacingHint() ); - TQVBoxLayout *tl1 = new TQVBoxLayout; - tl->addLayout(tl1); - - TQLabel *label = new TQLabel( i18n("Speed:"), main ); - tl1->addWidget(label); - - sps = new TQSlider(MINSPEED, MAXSPEED, 10, speed, Qt::Horizontal, main); - sps->setMinimumSize( 120, 20 ); - sps->setTickmarks(TQSlider::Below); - sps->setTickInterval(150); - connect( sps, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotSpeed( int ) ) ); - tl1->addWidget(sps); - - label = new TQLabel( i18n("Epoch:"), main ); - tl1->addWidget(label); - - eps = new TQSlider(MINEPOCH, MAXEPOCH, 100, epoch, Qt::Horizontal, main); - eps->setMinimumSize( 120, 20 ); - eps->setTickmarks(TQSlider::Below); - eps->setTickInterval(3000); - connect( eps, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotEpoch( int ) ) ); - tl1->addWidget(eps); - - label = new TQLabel( i18n("Color rate:"), main ); - tl1->addWidget(label); - - crs = new TQSlider(MINCOLOR, MAXCOLOR, 5, crate, Qt::Horizontal, main); - crs->setMinimumSize( 120, 20 ); - crs->setTickmarks(TQSlider::Below); - crs->setTickInterval(10); - connect( crs, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotCRate( int ) ) ); - tl1->addWidget(crs); - - label = new TQLabel( i18n("Rotation Z:"), main ); - tl1->addWidget(label); - - zrs = new TQSlider(MINZROT, MAXZROT, 18, zrot, Qt::Horizontal, main); - zrs->setMinimumSize( 120, 20 ); - zrs->setTickmarks(TQSlider::Below); - zrs->setTickInterval(36); - connect( zrs, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotZRot( int ) ) ); - tl1->addWidget(zrs); - - label = new TQLabel( i18n("Rotation Y:"), main ); - tl1->addWidget(label); - - yrs = new TQSlider(MINYROT, MAXYROT, 18, yrot, Qt::Horizontal, main); - yrs->setMinimumSize( 120, 20 ); - yrs->setTickmarks(TQSlider::Below); - yrs->setTickInterval(36); - connect( yrs, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotYRot( int ) ) ); - tl1->addWidget(yrs); - - label = new TQLabel( i18n("Rotation X:"), main ); - tl1->addWidget(label); - - xrs = new TQSlider(MINXROT, MAXXROT, 18, xrot, Qt::Horizontal, main); - xrs->setMinimumSize( 120, 20 ); - xrs->setTickmarks(TQSlider::Below); - xrs->setTickInterval(36); - connect( xrs, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotXRot( int ) ) ); - tl1->addWidget(xrs); - - preview = new TQWidget( main ); - preview->setFixedSize( 220, 165 ); - preview->setBackgroundColor( black ); - preview->show(); // otherwise saver does not get correct size - saver = new KLorenzSaver( preview->winId() ); - tl->addWidget(preview); -} - -KLorenzSetup::~KLorenzSetup() -{ - delete saver; -} - -// read settings from config file -void KLorenzSetup::readSettings() -{ - TDEConfig *config = TDEGlobal::config(); - config->setGroup( "Settings" ); - - speed = config->readNumEntry( "Speed", DEFSPEED ); - epoch = config->readNumEntry( "Epoch", DEFEPOCH ); - crate = config->readNumEntry( "Color Rate", DEFCOLOR ); - zrot = config->readNumEntry( "ZRot", DEFZROT ); - yrot = config->readNumEntry( "YRot", DEFZROT ); - xrot = config->readNumEntry( "XRot", DEFZROT ); -} - - -void KLorenzSetup::slotSpeed(int num) -{ - speed = num; - if (saver) saver->setSpeed(speed); -} - -void KLorenzSetup::slotEpoch(int num) -{ - epoch = num; - if (saver) saver->setEpoch(epoch); -} - -void KLorenzSetup::slotCRate(int num) -{ - crate = num; - if (saver) saver->setCRate(crate); -} - -void KLorenzSetup::slotZRot(int num) -{ - zrot = num; - if (saver) { - saver->setZRot(zrot); - saver->updateMatrix(); - saver->newEpoch(); - } -} - -void KLorenzSetup::slotYRot(int num) -{ - yrot = num; - if (saver) { - saver->setYRot(yrot); - saver->updateMatrix(); - saver->newEpoch(); - } -} - -void KLorenzSetup::slotXRot(int num) -{ - xrot = num; - if (saver) { - saver->setXRot(xrot); - saver->updateMatrix(); - saver->newEpoch(); - } -} - -void KLorenzSetup::slotHelp() -{ - KMessageBox::about(this,i18n("Lorenz Attractor screen saver for TDE\n\nCopyright (c) 2000 Nicolas Brodu")); -} - -// Ok pressed - save settings and exit -void KLorenzSetup::slotOk() -{ - TDEConfig *config = TDEGlobal::config(); - config->setGroup( "Settings" ); - - config->writeEntry( "Speed", speed ); - config->writeEntry( "Epoch", epoch ); - config->writeEntry( "Color Rate", crate ); - config->writeEntry( "ZRot", zrot ); - config->writeEntry( "YRot", yrot ); - config->writeEntry( "XRot", xrot ); - - config->sync(); - - accept(); -} - -void KLorenzSetup::slotDefault() -{ - speed = DEFSPEED; - epoch = DEFEPOCH; - crate = DEFCOLOR; - zrot = DEFZROT; - yrot = DEFYROT; - xrot = DEFXROT; - if (saver) { - saver->setSpeed(speed); - saver->setEpoch(epoch); - saver->setCRate(crate); - saver->setZRot(zrot); - saver->setYRot(yrot); - saver->setXRot(xrot); - saver->updateMatrix(); - saver->newEpoch(); - } - sps->setValue(speed); - eps->setValue(epoch); - crs->setValue(crate); - zrs->setValue(zrot); - yrs->setValue(yrot); - xrs->setValue(xrot); - -/* // User can cancel, or save defaults? - - TDEConfig *config = TDEGlobal::config(); - config->setGroup( "Settings" ); - - config->writeEntry( "Speed", speed ); - config->writeEntry( "Epoch", epoch ); - config->writeEntry( "Color Rate", crate ); - config->writeEntry( "ZRot", zrot ); - config->writeEntry( "YRot", yrot ); - config->writeEntry( "XRot", xrot ); - - config->sync(); -*/ -} - -//----------------------------------------------------------------------------- - - -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif -const double pi = M_PI; - -// Homogeneous coordinate transform matrix -// I initially wrote it for a Java applet, it is inspired from a -// Matrix class in the JDK. -// Nicolas Brodu, 1998-2000 -class Matrix3D -{ - // All coefficients - double xx, xy, xz, xo; - double yx, yy, yz, yo; - double zx, zy, zz, zo; - // 0, 0, 0, 1 are implicit -public: - - void unit() - { - xx=1.0; xy=0.0; xz=0.0; xo=0.0; - yx=0.0; yy=1.0; yz=0.0; yo=0.0; - zx=0.0; zy=0.0; zz=1.0; zo=0.0; - } - - Matrix3D () - { - unit(); - } - - // Translation - void translate(double x, double y, double z) - { - xo += x; - yo += y; - zo += z; - } - - // Rotation, in degrees, around the Y axis - void rotY(double theta) - { - theta *= pi / 180; - double ct = cos(theta); - double st = sin(theta); - - double Nxx = xx * ct + zx * st; - double Nxy = xy * ct + zy * st; - double Nxz = xz * ct + zz * st; - double Nxo = xo * ct + zo * st; - - double Nzx = zx * ct - xx * st; - double Nzy = zy * ct - xy * st; - double Nzz = zz * ct - xz * st; - double Nzo = zo * ct - xo * st; - - xo = Nxo; - xx = Nxx; - xy = Nxy; - xz = Nxz; - zo = Nzo; - zx = Nzx; - zy = Nzy; - zz = Nzz; - } - - - // Rotation, in degrees, around the X axis - void rotX(double theta) - { - theta *= pi / 180; - double ct = cos(theta); - double st = sin(theta); - - double Nyx = yx * ct + zx * st; - double Nyy = yy * ct + zy * st; - double Nyz = yz * ct + zz * st; - double Nyo = yo * ct + zo * st; - - double Nzx = zx * ct - yx * st; - double Nzy = zy * ct - yy * st; - double Nzz = zz * ct - yz * st; - double Nzo = zo * ct - yo * st; - - yo = Nyo; - yx = Nyx; - yy = Nyy; - yz = Nyz; - zo = Nzo; - zx = Nzx; - zy = Nzy; - zz = Nzz; - } - - - // Rotation, in degrees, around the Z axis - void rotZ(double theta) - { - theta *= pi / 180; - double ct = cos(theta); - double st = sin(theta); - - double Nyx = yx * ct + xx * st; - double Nyy = yy * ct + xy * st; - double Nyz = yz * ct + xz * st; - double Nyo = yo * ct + xo * st; - - double Nxx = xx * ct - yx * st; - double Nxy = xy * ct - yy * st; - double Nxz = xz * ct - yz * st; - double Nxo = xo * ct - yo * st; - - yo = Nyo; - yx = Nyx; - yy = Nyy; - yz = Nyz; - xo = Nxo; - xx = Nxx; - xy = Nxy; - xz = Nxz; - } - - // Multiply by a projection matrix, with camera f - // f 0 0 0 x f*x - // 0 f 0 0 * y = f*y - // 0 0 1 f z z+f - // 0 0 0 1 1 1 - // So, it it easy to find the 2D coordinates after the transform - // u = f*x / (z+f) - // v = f*y / (z+f) - void proj(double f) - { - xx*=f; - xy*=f; - xz*=f; - xo*=f; - yx*=f; - yy*=f; - yz*=f; - yo*=f; - zo+=f; - } - - // Apply the transformation 3D => 2D - void transform(double x, double y, double z, double &u, double& v, double& w) - { - u = x * xx + y * xy + z * xz + xo; - v = x * yx + y * yy + z * yz + yo; - w = x * zx + y * zy + z * zz + zo; - } -}; - -KLorenzSaver::KLorenzSaver( WId id ) : KScreenSaver( id ) -{ - readSettings(); - - // Create a transform matrix with the parameters - mat = new Matrix3D(); - updateMatrix(); - - colorContext = TQColor::enterAllocContext(); - setBackgroundColor( black ); - newEpoch(); - - timer.start( 10 ); - connect( &timer, TQT_SIGNAL( timeout() ), TQT_SLOT( drawOnce() ) ); -} - -KLorenzSaver::~KLorenzSaver() -{ - delete mat; - mat=0; - timer.stop(); - TQColor::leaveAllocContext(); - TQColor::destroyAllocContext( colorContext ); -} - -// read configuration settings from config file -void KLorenzSaver::readSettings() -{ - TDEConfig *config = TDEGlobal::config(); - config->setGroup( "Settings" ); - - speed = config->readNumEntry( "Speed", DEFSPEED ); - epoch = config->readNumEntry( "Epoch", DEFEPOCH ); - zrot = config->readNumEntry( "ZRot", DEFZROT ); - yrot = config->readNumEntry( "YRot", DEFZROT ); - xrot = config->readNumEntry( "XRot", DEFZROT ); - - int crate_num = config->readNumEntry( "Color Rate", DEFCOLOR ); - crate = (double)crate_num / (double)MAXCOLOR; -} - -void KLorenzSaver::setSpeed(int num) -{ - speed = num; -} - -void KLorenzSaver::setEpoch(int num) -{ - epoch = num; -} - -void KLorenzSaver::setZRot(int num) -{ - zrot = num; -} - -void KLorenzSaver::setYRot(int num) -{ - yrot = num; -} - -void KLorenzSaver::setXRot(int num) -{ - xrot = num; -} - -void KLorenzSaver::setCRate(int num) -{ - crate = (double)num / (double)MAXCOLOR; -} - -void KLorenzSaver::updateMatrix() -{ - // reset matrix - mat->unit(); - // Remove the mean before the rotations... - mat->translate(-0.95413, -0.96740, -23.60065); - mat->rotZ(zrot); - mat->rotY(yrot); - mat->rotX(xrot); - mat->translate(0, 0, 100); - mat->proj(1); -} - -void KLorenzSaver::newEpoch() -{ - // Start at a random position, somewhere around the mean - x = 0.95-25.0+50.0*kapp->random() / (RAND_MAX+1.0); - y = 0.97-25.0+50.0*kapp->random() / (RAND_MAX+1.0); - z = 23.6-25.0+50.0*kapp->random() / (RAND_MAX+1.0); - // start at some random 'time' as well to have different colors - t = 10000.0*kapp->random() / (RAND_MAX+1.0); - erase(); - e=0; // reset epoch counter -} - -// Computes the derivatives using Lorenz equations -static void lorenz(double x, double y, double z, double& dx, double& dy, double& dz) -{ - dx = 10*(y-x); - dy = 28*x - y - x*z; - dz = x*y - z*8.0/3.0; -} - -// Use a simple Runge-Kutta formula to draw a few points -// No need to go beyond 2nd order for a screensaver! -void KLorenzSaver::drawOnce() -{ - double kx, ky, kz, dx, dy, dz; - const double h = 0.0001; - const double tqh = h * 3.0 / 4.0; - TQPainter p(this); - - for (int i=0; i<speed; i++) { - // Runge-Kutta formula - lorenz(x,y,z,dx,dy,dz); - lorenz(x + tqh*dx, y + tqh*dy, z + tqh*dz, kx, ky, kz); - x += h*(dx/3.0+2*kx/3.0); - y += h*(dy/3.0+2*ky/3.0); - z += h*(dz/3.0+2*kz/3.0); - // Apply transform - mat->transform(x,y,z,kx,ky,kz); - // Choose a color - p.setPen( - TQColor((int)(sin(t*crate/pi)*127+128), - (int)(sin(t*crate/(pi-1))*127+128), - (int)(sin(t*crate/(pi-2))*127+128)).pixel() ); - // Draw a point - p.drawPoint( (int)(kx*width()*1.5/kz)+(int)(width()/2), - (int)(ky*height()*1.5/kz)+(int)(height()/2)); - t+=h; - } - if (++e>=epoch) newEpoch(); -} |