mirror of
https://bitbucket.org/smil3y/kde-workspace.git
synced 2025-02-24 19:02:51 +00:00
342 lines
8.4 KiB
C++
342 lines
8.4 KiB
C++
//-----------------------------------------------------------------------------
|
|
//
|
|
// kwave - Waveing Flag Screen Saver for KDE
|
|
//
|
|
// Copyright (c) Ian Reinhart Geiser 2001
|
|
//
|
|
#include <stdlib.h>
|
|
#include <qlabel.h>
|
|
#include <qlayout.h>
|
|
#include <kapplication.h>
|
|
#include <klocale.h>
|
|
#include <kconfig.h>
|
|
#include <kcolordialog.h>
|
|
#include <kcolorbutton.h>
|
|
#include <kglobal.h>
|
|
#include "wave.h"
|
|
#include "wave.moc"
|
|
#include <GL/glu.h>
|
|
#include <GL/gl.h>
|
|
#include <qimage.h>
|
|
#include <kdebug.h>
|
|
#include <qpainter.h>
|
|
#include <qradiobutton.h>
|
|
#include <qspinbox.h>
|
|
#include <kstandarddirs.h>
|
|
#include <math.h>
|
|
#include <kmessagebox.h>
|
|
#ifndef GLU_NURBS_TEXTURE_COORD
|
|
#define GLU_NURBS_TEXTURE_COORD 100168
|
|
#endif
|
|
// libkscreensaver interface
|
|
|
|
class KWaveSaverInterface : public KScreenSaverInterface
|
|
{
|
|
|
|
|
|
public:
|
|
virtual KAboutData* aboutData() {
|
|
return new KAboutData( "kwave.kss", "klock", ki18n( "Bitmap Wave Screen Saver" ), "2.2.0", ki18n( "Bitmap Wave Screen Saver" ) );
|
|
}
|
|
|
|
|
|
virtual KScreenSaver* create( WId id )
|
|
{
|
|
return new KWaveSaver( id );
|
|
}
|
|
|
|
virtual QDialog* setup()
|
|
{
|
|
return new KWaveSetup();
|
|
}
|
|
};
|
|
|
|
int main( int argc, char *argv[] )
|
|
{
|
|
KWaveSaverInterface kss;
|
|
return kScreenSaverMain( argc, argv, kss );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// dialog to setup screen saver parameters
|
|
//
|
|
KWaveSetup::KWaveSetup( QWidget *parent)
|
|
: KDialog( parent )
|
|
{
|
|
setModal(true);
|
|
setCaption(i18n( "Bitmap Flag Setup" ));
|
|
setButtons(Ok|Cancel|Help);
|
|
setDefaultButton(Ok);
|
|
setButtonText( Help, i18n( "A&bout" ) );
|
|
QWidget *main = new QWidget(this);
|
|
setMainWidget(main);
|
|
cfg = new WaveWidget(main);
|
|
readSettings();
|
|
|
|
cfg->preview->setFixedSize( 220, 170 );
|
|
|
|
QPalette palette;
|
|
palette.setColor( cfg->preview->backgroundRole(), Qt::black );
|
|
cfg->preview->setPalette( palette );
|
|
cfg->preview->setAutoFillBackground(true);
|
|
|
|
cfg->preview->show(); // otherwise saver does not get correct size
|
|
saver = new KWaveSaver( cfg->preview->winId() );
|
|
|
|
connect( this, SIGNAL(okClicked()), SLOT(slotOkPressed()) );
|
|
connect( this, SIGNAL(helpClicked()), SLOT(aboutPressed()) );
|
|
connect( cfg->SpinBox1, SIGNAL(valueChanged(int)), saver, SLOT(updateSize(int)));
|
|
connect( cfg->RadioButton1, SIGNAL(toggled(bool)), saver, SLOT(doStars(bool)));
|
|
|
|
}
|
|
|
|
KWaveSetup::~KWaveSetup( )
|
|
{
|
|
delete saver;
|
|
}
|
|
|
|
|
|
// read settings from config file
|
|
void KWaveSetup::readSettings()
|
|
{
|
|
KConfigGroup config(KGlobal::config(), "Settings");
|
|
|
|
// color = group.configColorEntry( "Color", &black );
|
|
}
|
|
|
|
// Ok pressed - save settings and exit
|
|
void KWaveSetup::slotOkPressed()
|
|
{
|
|
KConfigGroup config(KGlobal::config(), "Settings");
|
|
|
|
// group.writeEntry( "Color", color );
|
|
|
|
config.sync();
|
|
|
|
accept();
|
|
}
|
|
|
|
void KWaveSetup::aboutPressed()
|
|
{
|
|
KMessageBox::about(this,
|
|
i18n("<h3>Bitmap Flag Screen Saver</h3>\n<p>Waving Flag Screen Saver for KDE</p>\nCopyright (c) Ian Reinhart Geiser 2001"));
|
|
}
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
KWaveSaver::KWaveSaver( WId id ) : KScreenSaver( id )
|
|
{
|
|
kDebug() << "Blank";
|
|
readSettings();
|
|
|
|
timer = new QTimer( this );
|
|
timer->setSingleShot( true );
|
|
timer->start( 50 );
|
|
{
|
|
QPalette palette;
|
|
palette.setColor( backgroundRole(), Qt::black );
|
|
setPalette( palette );
|
|
setAutoFillBackground(true);
|
|
}
|
|
wave = new Wave();
|
|
embed(wave);
|
|
wave->show();
|
|
connect( timer, SIGNAL(timeout()), this, SLOT(blank()) );;
|
|
}
|
|
|
|
KWaveSaver::~KWaveSaver()
|
|
{
|
|
|
|
}
|
|
|
|
// read configuration settings from config file
|
|
void KWaveSaver::readSettings()
|
|
{
|
|
KConfigGroup config(KGlobal::config(), "Settings");
|
|
|
|
// color = group.configColorEntry( "Color", &black );
|
|
}
|
|
|
|
void KWaveSaver::blank()
|
|
{
|
|
// Play wave
|
|
|
|
wave->updateGL();
|
|
timer->start( 100 );
|
|
|
|
}
|
|
Wave::Wave( QWidget * parent ) : QGLWidget (parent)
|
|
{
|
|
pNurb = 0;
|
|
|
|
nNumPoints = 4;
|
|
index = 0;
|
|
}
|
|
|
|
Wave::~Wave()
|
|
{
|
|
glDeleteTextures( 1, &texture[0] );
|
|
gluDeleteNurbsRenderer(pNurb);
|
|
}
|
|
|
|
/** setup the GL environment */
|
|
void Wave::initializeGL ()
|
|
{
|
|
|
|
kDebug() << "InitGL";
|
|
|
|
/* Load in the texture */
|
|
if ( !LoadGLTextures( ) )
|
|
exit(0);
|
|
|
|
/* Enable Texture Mapping ( NEW ) */
|
|
glEnable( GL_TEXTURE_2D );
|
|
|
|
/* Enable smooth shading */
|
|
glShadeModel( GL_SMOOTH );
|
|
// Light values and coordinates
|
|
GLfloat specular[] = { 0.7f, 0.0f, 0.0f, 1.0f};
|
|
GLfloat shine[] = { 75.0f };
|
|
|
|
glClearColor(0.0f, 0.0f, 0.0f, 0.0f );
|
|
|
|
glEnable(GL_LIGHTING);
|
|
glEnable(GL_LIGHT0);
|
|
|
|
glEnable(GL_COLOR_MATERIAL);
|
|
|
|
glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
|
|
glMaterialfv(GL_FRONT, GL_SPECULAR, specular);
|
|
glMaterialfv(GL_FRONT, GL_SHININESS, shine);
|
|
|
|
glEnable(GL_AUTO_NORMAL);
|
|
|
|
|
|
pNurb = gluNewNurbsRenderer();
|
|
|
|
gluNurbsProperty(pNurb, GLU_SAMPLING_TOLERANCE, 25.0f);
|
|
// Uncomment the next line and comment the one following to produce a
|
|
// wire frame mesh.
|
|
//gluNurbsProperty(pNurb, GLU_DISPLAY_MODE, GLU_OUTLINE_POLYGON);
|
|
gluNurbsProperty(pNurb, GLU_DISPLAY_MODE, (GLfloat)GLU_FILL);
|
|
glEnable(GL_MAP2_TEXTURE_COORD_3);
|
|
glEnable(GL_MAP2_VERTEX_3);
|
|
glEnable(GL_BLEND);
|
|
|
|
}
|
|
/** resize the gl view */
|
|
void Wave::resizeGL ( int w, int h)
|
|
{
|
|
kDebug() << "ResizeGL " << w << "," <<h;
|
|
// Prevent a divide by zero
|
|
if(h == 0)
|
|
h = 1;
|
|
|
|
// Set Viewport to window dimensions
|
|
glViewport(0, 0, w, h);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
|
|
// Perspective view
|
|
gluPerspective (45.0f, (GLdouble)w/(GLdouble)h, 1.0, 40.0f);
|
|
|
|
// Modelview matrix reset
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
// Viewing transformation, position for better view
|
|
glTranslatef (0.0f, 0.0f, -20.0f);
|
|
|
|
}
|
|
/** paint the GL view */
|
|
void Wave::paintGL ()
|
|
{
|
|
|
|
float ctrlPoints[4][4][3];
|
|
|
|
index++;
|
|
float Z[16];
|
|
for( int i = 0; i < 16; i++)
|
|
{
|
|
Z[i] = 3.0 * sin(16*(3.141592654 * 2.0f) * (index+(i))/360);
|
|
}
|
|
|
|
// kDebug() << "-----";
|
|
int counter =15;
|
|
for( int i = 0; i < 4; i++)
|
|
for( int j = 0; j < 4;j++)
|
|
{
|
|
ctrlPoints[i][j][0] = float((5*i)-10);
|
|
ctrlPoints[i][j][1] = float((3*j)-6);
|
|
ctrlPoints[i][j][2] = Z[counter--];
|
|
// kDebug() << Z[counter];
|
|
}
|
|
// Knot sequence for the NURB
|
|
float knots[8] = { 0, 0, 0, 0, 1, 1, 1, 1 };
|
|
// Draw in Blu
|
|
//glColor3ub(0,0,220);
|
|
|
|
// Clear the window with current clearing color
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
// Save the modelview matrix stack
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPushMatrix();
|
|
|
|
// Rotate the mesh around to make it easier to see
|
|
glRotatef(index/2, 1.0f,0.0f,0.0f);
|
|
glRotatef(index/5, 0.0f,1.0f,0.0f);
|
|
glRotatef(index/6, 0.0f,0.0f,1.0f);
|
|
|
|
// Render the NURB
|
|
gluBeginSurface( pNurb );
|
|
gluNurbsSurface( pNurb, 8, knots, 8, knots,
|
|
4*3, 3, &ctrlPoints[0][0][0], 4, 4, GL_MAP2_TEXTURE_COORD_3);
|
|
//gluNurbsSurface( pNurb, 8, knots, 8, knots,
|
|
//4*3, 3, &ctrlPoints[0][0][0], 4, 4, GL_MAP2_NORMAL );
|
|
gluNurbsSurface( pNurb, 8, knots, 8, knots,
|
|
4*3, 3, &ctrlPoints[0][0][0], 4, 4, GL_MAP2_VERTEX_3 );
|
|
gluEndSurface( pNurb );
|
|
|
|
// Restore the modelview matrix
|
|
glPopMatrix();
|
|
|
|
glFlush();
|
|
}
|
|
|
|
bool Wave::LoadGLTextures()
|
|
{
|
|
/* Status indicator */
|
|
bool Status = true;
|
|
|
|
QImage buf; // = QPixmap::grabWindow ( 0 ).convertToImage();
|
|
kDebug() << "Loading: " << KStandardDirs::locate("data", QLatin1String( "kscreensaver/image.png" ));
|
|
if (buf.load( KStandardDirs::locate("data", QLatin1String( "kscreensaver/image.png" )) ) )
|
|
|
|
{
|
|
tex = convertToGLFormat(buf); // flipped 32bit RGBA
|
|
kDebug() << "Texture loaded: " << tex.numBytes ();
|
|
}
|
|
else
|
|
{
|
|
QImage dummy( 64, 64, QImage::Format_RGB32 );
|
|
dummy.fill( Qt::white );
|
|
buf = dummy;
|
|
tex = convertToGLFormat( buf );
|
|
}
|
|
/* Set the status to true */
|
|
//Status = true;
|
|
glGenTextures(1, &texture[0]); /* create three textures */
|
|
glBindTexture(GL_TEXTURE_2D, texture[0]);
|
|
/* use linear filtering */
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
|
|
/* actually generate the texture */
|
|
glTexImage2D(GL_TEXTURE_2D, 0, 4, tex.width(), tex.height(), 0,
|
|
GL_RGBA, GL_UNSIGNED_BYTE, tex.bits());
|
|
kDebug() << "Texture Loaded: " << tex.width() << "," << tex.height();
|
|
|
|
|
|
return Status;
|
|
}
|