CVS commit by eros: 

Euphoria cumulative patch. Fixes the "white bg" bug, some mem leaks, more
precise timings and minor things.
CCMAIL: 57429-done@bugs.kde.org


  M +23 -13    Euphoria.cpp   1.9
  M +1 -1      Euphoria.h   1.3


--- kdeartwork/kscreensaver/kdesavers/Euphoria.cpp  #1.8:1.9
@@ -46,10 +46,10 @@
 
 
-// Returns the system time, in milliseconds.
-long timeGetTime()
+// Returns the system time, in seconds.
+double timeGetTime()
 {
     struct timeval tp;
     gettimeofday( &tp, 0 );
-    return (tp.tv_sec * 1000) + (tp.tv_usec / 1000);
+    return (double)tp.tv_sec + (double)tp.tv_usec / 1000000;
 }
 
@@ -459,5 +459,6 @@ void wisp::drawAsBackground()
 
 EuphoriaWidget::EuphoriaWidget( QWidget* parent, const char* name )
-              : QGLWidget(parent, name), _wisps(0), _backwisps(0)
+              : QGLWidget(parent, name), texName(0), _wisps(0), _backwisps(0),
+              feedbackmap(0), feedbacktex(0)
 {
     setDefaults( Regular );
@@ -472,4 +473,8 @@ EuphoriaWidget::~EuphoriaWidget()
 {
         // Free memory
+        if ( texName )
+                glDeleteTextures( 1, &texName );
+        if ( feedbacktex )
+                glDeleteTextures( 1, &feedbacktex );
         delete[] _wisps;
         delete[] _backwisps;
@@ -480,13 +485,9 @@ void EuphoriaWidget::paintGL()
 {
         int i;
-        static long thisTime = timeGetTime(), lastTime;
+        static double lastTime = timeGetTime();
 
         // update time
-        lastTime = thisTime;
-    thisTime = timeGetTime();
-    if(thisTime >= lastTime) 
-                elapsedTime = float(thisTime - lastTime) * 0.001f;
-    // else use elapsedTime from last frame
-
+        elapsedTime = timeGetTime() - lastTime;
+        lastTime += elapsedTime;
 
     _ec = this;
@@ -501,5 +502,5 @@ void EuphoriaWidget::paintGL()
         if(dFeedback)
     {
-                static float feedbackIntensity = float(dFeedback) / 101.0f;
+                float feedbackIntensity = float(dFeedback) / 101.0f;
 
                 // update feedback variables
@@ -625,5 +626,7 @@ void EuphoriaWidget::resizeGL( int w, in
 void EuphoriaWidget::initializeGL()
 {
-    //resizeGL( width(), height() );
+    // Need to call this to setup viewport[] parameters used in
+    // the next updateParameters() call
+    resizeGL( width(), height() );
 
     updateParameters();
@@ -707,4 +710,7 @@ void EuphoriaWidget::updateParameters()
                         gluBuild2DMipmaps(GL_TEXTURE_2D, 1, TEXSIZE, TEXSIZE, GL_LUMINANCE, GL_UNSIGNED_BYTE, linesmap);
                 }
+        } else if ( texName ) {
+                glDeleteTextures( 1, &texName );
+                texName = 0;
         }
 
@@ -719,4 +725,5 @@ void EuphoriaWidget::updateParameters()
                 // feedback texture setup
                 glEnable(GL_TEXTURE_2D);
+                delete [] feedbackmap;
                 feedbackmap = new unsigned char[feedbacktexsize*feedbacktexsize*3];
                 glGenTextures(1, &feedbacktex);
@@ -736,4 +743,7 @@ void EuphoriaWidget::updateParameters()
                 lv[1] = float(dFeedbackspeed) * (myRandf(0.0025f) + 0.0025f);
                 lv[2] = float(dFeedbackspeed) * (myRandf(0.0025f) + 0.0025f);
+        } else if ( feedbacktex ) {
+                glDeleteTextures( 1, &feedbacktex );
+                feedbacktex = 0;
         }
 

--- kdeartwork/kscreensaver/kdesavers/Euphoria.h  #1.2:1.3
@@ -65,5 +65,5 @@ private:
     float aspectRatio;
     int viewport[4];
-    float elapsedTime;
+    double elapsedTime;
 
     // feedback texture object