diff options
Diffstat (limited to 'kscreensaver/xsavers/space.cpp')
| -rw-r--r-- | kscreensaver/xsavers/space.cpp | 735 |
1 files changed, 0 insertions, 735 deletions
diff --git a/kscreensaver/xsavers/space.cpp b/kscreensaver/xsavers/space.cpp deleted file mode 100644 index a15dd171..00000000 --- a/kscreensaver/xsavers/space.cpp +++ /dev/null @@ -1,735 +0,0 @@ -/* - * - * kStart OpenGL screensave for KDE - * - * $Id$ - * - * Copyright (C) 1998 Bernd Johannes Wuebben - * wuebben@math.cornell.edu - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library 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. - * - * Based on star.c: - * - * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and - * its documentation for any purpose is hereby granted without fee, provided - * that (i) the above copyright notices and this permission notice appear in - * all copies of the software and related documentation, and (ii) the name of - * Silicon Graphics may not be used in any advertising or - * publicity relating to the software without the specific, prior written - * permission of Silicon Graphics. - * - * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF - * ANY KIND, - * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY - * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. - * - * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR - * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, - * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF - * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ - -#define LONG64 -//#define TQT_CLEAN_NAMESPACE - -#include <tqslider.h> -#include <tqlayout.h> -#include <kglobal.h> -#include <kconfig.h> -#include <krandomsequence.h> -#include <kdebug.h> -#include "xlock.h" -#include "helpers.h" -#ifdef HAVE_CONFIG_H -#include "../../config.h" -#endif - -#ifdef HAVE_GL - -#include <klocale.h> - -#undef index -#include "space.h" -#include <math.h> -#include <X11/Intrinsic.h> -#ifdef HAVE_GL_XMESA_H -#include <GL/xmesa.h> -#endif -#include <GL/gl.h> -#include <GL/glx.h> -#ifdef HAVE_GL_GLUT_H -// We don't need GLUT, but some BROKEN GLU implemenations, such as the one -// used in SuSE Linux 6.3, do. :( -#include <GL/glut.h> -#endif -#include <GL/glu.h> - -#ifndef PI -#ifdef M_PI -#define PI M_PI -#else -#define PI 3.141592657 -#endif -#endif - -enum { - NORMAL = 0, - WEIRD = 1 -} flag = NORMAL; - -enum { - STREAK = 0, - CIRCLE = 1 -}; - -#define MAXSTARS 400 -#define MAXPOS 10000 -#define MAXWARP1 10 -#define MAXANGLES 6000 - - -typedef struct _starRec { - GLint type; - float x[2], y[2], z[2]; - float offsetX, offsetY, offsetR, rotation; -} starRec; - - -GLenum doubleBuffer, directRender; -GLint windW, windH; - -GLint starCount = MAXSTARS / 2; -float speed = 1.0; -float warpinterval = 30000.0; -GLint nitro = 0; -starRec stars[MAXSTARS]; -float sinTable[MAXANGLES]; - -static GLXContext glx_context; -static KRandomSequence *rnd = 0; - -float Sin(float angle) -{ - - return (sinTable[(GLint)angle]); -} - -float Cos(float angle) -{ - - return (sinTable[((GLint)angle+(MAXANGLES/4))%MAXANGLES]); -} - -void NewStar(GLint n, GLint d) -{ - - if (rnd->getLong(4) == 0) { - stars[n].type = CIRCLE; - } else { - stars[n].type = STREAK; - } - stars[n].x[0] = rnd->getDouble() * MAXPOS - MAXPOS / 2; - stars[n].y[0] = rnd->getDouble() * MAXPOS - MAXPOS / 2; - stars[n].z[0] = rnd->getDouble() * MAXPOS + d; - if (rnd->getLong(4) == 0 && flag == WEIRD) { - stars[n].offsetX = rnd->getDouble()* 100 - 100 / 2; - stars[n].offsetY = rnd->getDouble()* 100 - 100 / 2; - stars[n].offsetR = rnd->getDouble()* 25 - 25 / 2; - } else { - stars[n].offsetX = 0.0; - stars[n].offsetY = 0.0; - stars[n].offsetR = 0.0; - } -} - -void RotatePoint(float *x, float *y, float rotation) -{ - float tmpX, tmpY; - - tmpX = *x * Cos(rotation) - *y * Sin(rotation); - tmpY = *y * Cos(rotation) + *x * Sin(rotation); - *x = tmpX; - *y = tmpY; -} - -void MoveStars(void) -{ - float offset; - GLint n; - - offset = speed * 60.0; - - for (n = 0; n < starCount; n++) { - stars[n].x[1] = stars[n].x[0]; - stars[n].y[1] = stars[n].y[0]; - stars[n].z[1] = stars[n].z[0]; - stars[n].x[0] += stars[n].offsetX; - stars[n].y[0] += stars[n].offsetY; - stars[n].z[0] -= offset; - stars[n].rotation += stars[n].offsetR; - if (stars[n].rotation > MAXANGLES) { - stars[n].rotation = 0.0; - } - } -} - -GLenum StarPoint(GLint n) -{ - float x0, y0, x1, y1, width; - GLint i; - - x0 = stars[n].x[0] * windW / stars[n].z[0]; - y0 = stars[n].y[0] * windH / stars[n].z[0]; - RotatePoint(&x0, &y0, stars[n].rotation); - x0 += windW / 2.0; - y0 += windH / 2.0; - - if (x0 >= 0.0 && x0 < windW && y0 >= 0.0 && y0 < windH) { - if (stars[n].type == STREAK) { - x1 = stars[n].x[1] * windW / stars[n].z[1]; - y1 = stars[n].y[1] * windH / stars[n].z[1]; - RotatePoint(&x1, &y1, stars[n].rotation); - x1 += windW / 2.0; - y1 += windH / 2.0; - - glLineWidth(MAXPOS/100.0/stars[n].z[0]+1.0); - glColor3f((MAXWARP1-speed)/MAXWARP1, (MAXWARP1-speed)/MAXWARP1, .9); - if (fabs(x0-x1) < 1.0 && fabs(y0-y1) < 1.0) { - glBegin(GL_POINTS); - glVertex2f(x0, y0); - glEnd(); - } else { - glBegin(GL_LINES); - glVertex2f(x0, y0); - glVertex2f(x1, y1); - glEnd(); - } - } else { - width = MAXPOS / 10.0 / stars[n].z[0] + 1.0; - glColor3f(1.0, 0.0, 0.0); - glBegin(GL_POLYGON); - for (i = 0; i < 8; i++) { - float x = x0 + width * Cos((float)i*MAXANGLES/8.0); - float y = y0 + width * Sin((float)i*MAXANGLES/8.0); - glVertex2f(x, y); - }; - glEnd(); - } - return GL_TRUE; - } else { - return GL_FALSE; - } -} - -void ShowStars(void) -{ - GLint n; - - glClear(GL_COLOR_BUFFER_BIT); - - for (n = 0; n < starCount; n++) { - if (stars[n].z[0] > speed || (stars[n].z[0] > 0.0 && speed < MAXWARP1)) { - if (StarPoint(n) == GL_FALSE) { - NewStar(n, MAXPOS); - } - } else { - NewStar(n, MAXPOS); - } - } -} - -static void Init(void) -{ - float angle; - GLint n; - - for (n = 0; n < MAXSTARS; n++) { - NewStar(n, 100); - } - - angle = 0.0; - for (n = 0; n < MAXANGLES ; n++) { - sinTable[n] = sin(angle); - angle += PI / (MAXANGLES / 2.0); - } - - glClearColor(0.0, 0.0, 0.0, 0.0); - - glDisable(GL_DITHER); -} - -void reshape(int width, int height) -{ - - windW = (GLint)width; - windH = (GLint)height; - - glViewport(0, 0, windW, windH); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - gluOrtho2D(-0.5, windW+0.5, -0.5, windH+0.5); - glMatrixMode(GL_MODELVIEW); - -} - -void Idle(void) -{ - - MoveStars(); - ShowStars(); - if (nitro > 0) { - speed = (float)(nitro / 10) + 1.0; - if (speed > MAXWARP1) { - speed = MAXWARP1; - } - if (++nitro > MAXWARP1*10) { - nitro = -nitro; - } - } else if (nitro < 0) { - nitro++; - speed = (float)(-nitro / 10) + 1.0; - if (speed > MAXWARP1) { - speed = MAXWARP1; - } - } - - glFlush(); - - /* if (doubleBuffer) { - tkSwapBuffers(); - }*/ -} - - -void -drawSpace(Window /*window*/) -{ - - /* - Display *display = dsp; - //glXMakeCurrent(display, window, mp->glx_context); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glFlush(); - glXSwapBuffers(display, window); - */ - - Idle(); - -} - - -void release_Space(){ - - glXDestroyContext(dsp, glx_context); - -} - -static XVisualInfo *glVis[MAXSCREENS]; - -int -getVisual(XVisualInfo * wantVis, int visual_count) -{ - Display *display = dsp; - static int first; - int i; - - if (first) { - for (screen = 0; screen < MAXSCREENS; screen++) - glVis[screen] = NULL; - } - - if (!glVis[screen]) { - if (mono) { - /* Monochrome display - use color index mode */ - int attribList[] = {GLX_DOUBLEBUFFER, None}; - - glVis[screen] = glXChooseVisual(display, screen, attribList); - } else { - int attribList[] = - {GLX_RGBA, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 1, None}; - - glVis[screen] = glXChooseVisual(display, screen, attribList); - } - } - // Make sure we have a visual - if (!glVis[screen]) { - return (0); - } - - /* check if GL can render into root window. */ - for(i=0;i<visual_count;i++) - if ( (glVis[screen]->visual == (wantVis+i)->visual) ) - return (1); // success - - // The visual we received did not match one we asked for - return (0); -} - -void -initSpace(Window window) -{ - Display *display = dsp; - XWindowAttributes xwa; - - - (void) XGetWindowAttributes(dsp, window, &xwa); - int n; - XVisualInfo *wantVis, vTemplate; - int VisualClassWanted=-1; - - vTemplate.screen = screen; - vTemplate.depth = xwa.depth; - - if (VisualClassWanted == -1) { - vTemplate.c_class = DefaultVisual(display, screen)->c_class; - } else { - vTemplate.c_class = VisualClassWanted; - } - - wantVis = XGetVisualInfo(display, - VisualScreenMask | VisualDepthMask | VisualClassMask, - &vTemplate, &n); - - if (VisualClassWanted != -1 && n == 0) { - /* Wanted visual not found so use default */ - - vTemplate.c_class = DefaultVisual(display, screen)->c_class; - - wantVis = XGetVisualInfo(display, - VisualScreenMask | VisualDepthMask | VisualClassMask, - &vTemplate, &n); - } - /* if User asked for color, try that first, then try mono */ - /* if User asked for mono. Might fail on 16/24 bit displays, - so fall back on color, but keep the mono "look & feel". */ - - if (!getVisual(wantVis, n)) { - if (!getVisual(wantVis, n)) { - kdError() << i18n("GL can not render with root visual\n") << endl; - return; - } - } - - /* PURIFY 3.0a on SunOS4 reports a 104 byte memory leak on the next line each - * time that morph3d mode is run in random mode. */ - - glx_context = glXCreateContext(display, wantVis, 0, True); - - XFree((char *) wantVis); - - - glXMakeCurrent(display, window, glx_context); - glDrawBuffer(GL_FRONT); - - if (mono) { - glIndexi(WhitePixel(display, screen)); - glClearIndex(BlackPixel(display, screen)); - } - - reshape(xwa.width, xwa.height); - Init(); -} - - - - -#endif - -#define MINSPEED 1 -#define MAXSPEED 100 -#define DEFSPEED 50 -#define MINWARP 1 -#define MAXWARP 30 -#define DEFWARP 2 -#define WARPFACTOR 100 -//----------------------------------------------------------------------------- - -#include <tqpushbutton.h> -#include <tqcheckbox.h> -#include <tqlabel.h> -#include <tqcolor.h> - -#include <kmessagebox.h> - -#include "space.moc" - -#undef Below - -static kSpaceSaver *saver = NULL; - -void startScreenSaver( Drawable d ) -{ - if ( saver ) - return; - saver = new kSpaceSaver( d ); -} - -void stopScreenSaver() -{ - if ( saver ) - delete saver; - saver = NULL; -} - -int setupScreenSaver() -{ - kSpaceSetup dlg; - - return dlg.exec(); -} - -//----------------------------------------------------------------------------- - -kSpaceSaver::kSpaceSaver( Drawable drawable ) : kScreenSaver( drawable ) -{ - rnd = new KRandomSequence(); - readSettings(); - counter = (int)warpinterval *WARPFACTOR; - - colorContext = TQColor::enterAllocContext(); - - initXLock( mGc ); - initSpace( mDrawable ); - - timer.start( speed ); - connect( &timer, TQT_SIGNAL( timeout() ), TQT_SLOT( slotTimeout() ) ); -} - -kSpaceSaver::~kSpaceSaver() -{ - timer.stop(); - release_Space(); - TQColor::leaveAllocContext(); - TQColor::destroyAllocContext( colorContext ); - delete rnd; rnd = 0; -} - -void kSpaceSaver::setSpeed( int spd ) -{ - timer.stop(); - speed = MAXSPEED - spd ; - // printf("speed %d\n",speed); - timer.stop(); - timer.start( speed ); -} - -void kSpaceSaver::setWarp( int w ) -{ - warpinterval = w; - counter = (int)warpinterval; - initSpace( mDrawable ); -} - -void kSpaceSaver::readSettings() -{ - TDEConfig *config = klock_config(); - config->setGroup( "Settings" ); - - TQString str; - - str = config->readEntry( "Speed" ); - if ( !str.isNull() ) - speed = MAXSPEED - str.toInt(); - else - speed = DEFSPEED; - - warpinterval = config->readNumEntry( "WarpInterval", 15 ); - delete config; -} - -void kSpaceSaver::slotTimeout() -{ - //printf("%d %d \n",(int)warpinterval, MAXWARP); - if(warpinterval != MAXWARP){ - if(nitro == 0) - counter -= speed +1; - - if(counter <= 0){ - nitro = 1; - counter = (int) warpinterval *WARPFACTOR; - } - } - else - nitro = 0; - - drawSpace( mDrawable ); -} - -//----------------------------------------------------------------------------- - -kSpaceSetup::kSpaceSetup( TQWidget *parent, const char *name ) - : KDialogBase( parent, name, true, i18n("Setup Space Screen Saver"), - Ok|Cancel|Help, Ok, true ) -{ - setButtonText( Help, i18n( "A&bout" ) ); - readSettings(); - - TQWidget *page = new TQWidget( this ); - setMainWidget( page ); - TQHBoxLayout *hb = new TQHBoxLayout( page, 0, spacingHint() ); - TQVBoxLayout *vb = new TQVBoxLayout( hb, spacingHint() ); - - TQLabel *label; - TQSlider *slider; - - label = new TQLabel( i18n("Speed:"), page ); - vb->addWidget( label ); - - slider = new TQSlider(MINSPEED, MAXSPEED, 10, speed, Qt::Horizontal, - page ); - vb->addWidget( slider ); - slider->setTickmarks(TQSlider::Below); - slider->setTickInterval(10); - connect( slider, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotSpeed( int ) ) ); - - label = new TQLabel( i18n("Warp interval:"), page ); - vb->addWidget( label ); - - slider = new TQSlider(MINWARP, MAXWARP, 3, warpinterval,Qt::Horizontal, page ); - vb->addWidget( slider ); - slider->setTickmarks(TQSlider::Below); - slider->setTickInterval(3); - connect( slider, TQT_SIGNAL( valueChanged( int ) ), TQT_SLOT( slotWarp( int ) ) ); - - vb->addStrut( 150 ); - vb->addStretch(); - - preview = new TQWidget( page ); - hb->addWidget( preview ); - preview->setFixedSize( 220, 170 ); - preview->setBackgroundColor( black ); - preview->show(); // otherwise saver does not get correct size - saver = new kSpaceSaver( preview->winId() ); -} - -void kSpaceSetup::readSettings() -{ - TDEConfig *config = klock_config(); - config->setGroup( "Settings" ); - - speed = config->readNumEntry( "Speed", speed ); - - if ( speed > MAXSPEED ) - speed = MAXSPEED; - else if ( speed < MINSPEED ) - speed = MINSPEED; - - warpinterval = config->readNumEntry( "WarpInterval", 15 ); - - delete config; -} - -void kSpaceSetup::slotSpeed( int num ) -{ - speed = num ; - - if ( saver ) - saver->setSpeed( speed ); -} - -void kSpaceSetup::slotWarp( int num ) -{ - warpinterval = num; - if ( saver ) - saver->setWarp( warpinterval ); -} - -void kSpaceSetup::slotOk() -{ - TDEConfig *config = klock_config(); - config->setGroup( "Settings" ); - - TQString sspeed; - sspeed.setNum( speed ); - config->writeEntry( "Speed", sspeed ); - - TQString interval; - interval.setNum( (int)warpinterval ); - config->writeEntry( "WarpInterval", interval ); - - config->sync(); - delete config; - accept(); -} - -void kSpaceSetup::slotHelp() -{ - KMessageBox::about(this, - i18n("KSpace\nCopyright (c) 1998\n" - "Bernd Johannes Wuebben <wuebben@kde.org>")); -} - - -/* -static GLenum Args(int argc, char **argv) -{ - GLint i; - - doubleBuffer = GL_FALSE; - directRender = GL_TRUE; - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-sb") == 0) { - doubleBuffer = GL_FALSE; - } else if (strcmp(argv[i], "-db") == 0) { - doubleBuffer = GL_TRUE; - } else if (strcmp(argv[i], "-dr") == 0) { - directRender = GL_TRUE; - } else if (strcmp(argv[i], "-ir") == 0) { - directRender = GL_FALSE; - } - } - return GL_TRUE; -} - - - -void main(int argc, char **argv) -{ - GLenum type; - - if (Args(argc, argv) == GL_FALSE) { - tkQuit(); - } - - windW = 300; - windH = 300; - tkInitPosition(0, 0, 300, 300); - - type = TK_RGB; - type |= (doubleBuffer) ? TK_DOUBLE : TK_SINGLE; - type |= (directRender) ? TK_DIRECT : TK_INDIRECT; - tkInitDisplayMode(type); - - if (tkInitWindow("Stars") == GL_FALSE) { - tkQuit(); - } - - Init(); - - tkExposeFunc(Reshape); - tkReshapeFunc(Reshape); - tkKeyDownFunc(Key); - tkIdleFunc(Idle); - tkExec(); -} - -*/ |