diff options
Diffstat (limited to 'kdm/kfrontend/themer/kdmthemer.cpp')
| -rw-r--r-- | kdm/kfrontend/themer/kdmthemer.cpp | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/kdm/kfrontend/themer/kdmthemer.cpp b/kdm/kfrontend/themer/kdmthemer.cpp index d6b2e6e0e..39a1abe81 100644 --- a/kdm/kfrontend/themer/kdmthemer.cpp +++ b/kdm/kfrontend/themer/kdmthemer.cpp @@ -46,6 +46,8 @@ #include <unistd.h> +extern bool argb_visual_available; + /* * KdmThemer. The main theming interface */ @@ -159,17 +161,35 @@ KdmThemer::widgetEvent( TQEvent *e ) TQRect paintRect = TQT_TQPAINTEVENT(e)->rect(); kdDebug() << timestamp() << " paint on: " << paintRect << endl; - if (!backBuffer) - backBuffer = new TQPixmap( widget()->size() ); - if (backBuffer->size() != widget()->size()) - backBuffer->resize( widget()->size() ); - - TQPainter p; - p.begin( backBuffer ); - rootItem->paint( &p, paintRect ); - p.end(); + if ((_compositor.isEmpty()) || (!argb_visual_available)) { + // Software blend only (no compositing support) + if (!backBuffer) + backBuffer = new TQPixmap( widget()->size() ); + if (backBuffer->size() != widget()->size()) + backBuffer->resize( widget()->size() ); + + TQPainter p; + p.begin( backBuffer ); + rootItem->paint( &p, paintRect ); + p.end(); + + bitBlt( widget(), paintRect.topLeft(), backBuffer, paintRect ); + } + else { + // We have compositing support! + TQRgb blend_color = tqRgba(0, 0, 0, 0); // RGBA + float alpha = tqAlpha(blend_color) / 255.; + int pixel = tqAlpha(blend_color) << 24 | + int(tqRed(blend_color) * alpha) << 16 | + int(tqGreen(blend_color) * alpha) << 8 | + int(tqBlue(blend_color) * alpha); + TQPainter p1; + p1.begin( widget() ); + p1.fillRect( paintRect, TQColor(blend_color, pixel) ); + rootItem->paint( &p1, paintRect ); + p1.end(); + } - bitBlt( widget(), paintRect.topLeft(), backBuffer, paintRect ); } break; default: |