2 files changed, 17 insertions, 11 deletions

diff --git a/noncore/styles/theme/ogfxeffect.cpp b/noncore/styles/theme/ogfxeffect.cpp
index 2071a67..90b45fe 100644
--- a/noncore/styles/theme/ogfxeffect.cpp
+++ b/noncore/styles/theme/ogfxeffect.cpp
@@ -29,5 +29,6 @@ QPixmap& OGfxEffect::gradient(QPixmap &pixmap, const QColor &ca,
 {
-        QImage image = gradient(pixmap.size(), ca, cb, eff, ncols);
-        pixmap.convertFromImage(image);
-
+        if ( !pixmap. isNull ( )) {
+                QImage image = gradient(pixmap.size(), ca, cb, eff, ncols);
+                pixmap.convertFromImage(image);
+        }
         return pixmap;
@@ -282,11 +283,12 @@ QPixmap& OGfxEffect::blend(QPixmap &pixmap, float initial_intensity,
 {
-    QImage image = pixmap.convertToImage();
-    OGfxEffect::blend(image, initial_intensity, bgnd, eff, anti_dir);
-
-        if ( pixmap. depth ( ) <= 8 )
-                image. convertDepth ( pixmap. depth ( ));
+        if ( !pixmap. isNull ( )) {
+            QImage image = pixmap.convertToImage();
+                OGfxEffect::blend(image, initial_intensity, bgnd, eff, anti_dir);
 
-    pixmap.convertFromImage(image);
+                if ( pixmap. depth ( ) <= 8 )
+                        image. convertDepth ( pixmap. depth ( ));
 
-    return pixmap;
+            pixmap.convertFromImage(image);
+                }
+           return pixmap;
 }
diff --git a/noncore/styles/theme/othemestyle.cpp b/noncore/styles/theme/othemestyle.cpp
index a820efb..98e7253 100644
--- a/noncore/styles/theme/othemestyle.cpp
+++ b/noncore/styles/theme/othemestyle.cpp
@@ -251,2 +251,5 @@ void OThemeStyle::drawBaseButton( QPainter *p, int x, int y, int w, int h,
 {
+        if ( w <= 0 || h <= 0 )
+                return;
+
         int offset = borderPixmap( type ) ? 0 : decoWidth( type );
@@ -289,5 +292,6 @@ void OThemeStyle::drawBaseButton( QPainter *p, int x, int y, int w, int h,
                 }
-                if ( borderPixmap( type ) )
+                if ( borderPixmap( type ) ) {
                         bitBlt( p->device(), x, y, scaleBorder( w, h, type ), 0, 0, w, h,
                                 Qt::CopyROP, false );
+                }
                 else