move setupQuality to handlePaintEvent

src/Direct2DRenderer.cpp

@@ -115,7 +115,6 @@ void Direct2DRenderer::paintEvent(QPaintEvent *)
     }
     //http://www.daimakuai.net/?page_id=1574
     d.render_target->BeginDraw();
-    d.setupQuality();
     handlePaintEvent();
     HRESULT hr = S_OK;
     {

src/GDIRenderer.cpp

@@ -85,7 +85,6 @@ void GDIRenderer::drawFrame()
     //steps to use BitBlt: http://bbs.csdn.net/topics/60183502
     Bitmap bitmap(d.src_width, d.src_height, d.src_width*4*sizeof(char)
                   , PixelFormat32bppRGB, (BYTE*)d.data.data());
-    d.setupQuality();
 #if USE_GRAPHICS
     if (d.graphics)
         d.graphics->DrawImage(&bitmap, d.out_rect.x(), d.out_rect.y(), d.out_rect.width(), d.out_rect.height());

src/GLWidgetRenderer.cpp

@@ -131,7 +131,6 @@ void GLWidgetRenderer::initializeGL()
 void GLWidgetRenderer::paintGL()
 {
     //drawBackground(); //TODO: why this is always required? otherwise may flicker when aspect ratio changed(ubuntu 12.10)
-    d_func().setupQuality();
     handlePaintEvent();
 }
 

src/GraphicsItemRenderer.cpp

@@ -80,7 +80,6 @@ void GraphicsItemRenderer::paint(QPainter *painter, const QStyleOptionGraphicsIt
     } else {
         qWarning("FilterContext not available!");
     }
-    d.setupQuality(); //move to handlePaintEvent
     handlePaintEvent();
     d.painter = 0; //painter may be not available outside this function
     ctx->painter = 0;

src/QtAV/private/VideoRenderer_p.h

@@ -87,6 +87,7 @@ class Q_EXPORT VideoRendererPrivate : public AVOutputPrivate
         out_aspect_ratio = outAspectRatio;
         qDebug("%f %dx%d <<<<<<<<", out_aspect_ratio, out_rect.width(), out_rect.height());
     }
+    virtual void setupQuality() {}
 
     //draw background when necessary, for example, renderer is resized. Then set to false
     bool update_background;

src/VideoRenderer.cpp

@@ -292,6 +292,7 @@ void VideoRenderer::handlePaintEvent(QPaintEvent *event)
 {
     Q_UNUSED(event);
     DPTR_D(VideoRenderer);
+    d.setupQuality();
     //begin paint. how about QPainter::beginNativePainting()?
     {
         //lock is required only when drawing the frame

src/WidgetRenderer.cpp

@@ -180,7 +180,6 @@ void WidgetRenderer::paintEvent(QPaintEvent *e)
 {
     DPTR_D(WidgetRenderer);
     d.painter->begin(this); //Widget painting can only begin as a result of a paintEvent
-    d.setupQuality();
     handlePaintEvent(e);
     //end paint. how about QPainter::endNativePainting()?
     d.painter->end();