[pad] use new methods to set opacity and copy pixmap

Author: linev

graf2d/gpad/src/TPad.cxx

@@ -3973,8 +3973,8 @@ void TPad::CopyBackgroundPixmap(Int_t x, Int_t y)
 {
    int px, py;
    XYtoAbsPixel(fX1, fY2, px, py);
-   if (GetPainter())
-      GetPainter()->CopyDrawable(GetPixmapID(), px-x, py-y);
+   if (auto pp = GetPainter())
+      pp->CopyDrawable(GetPixmapID(), px-x, py-y);
 }
 
 ////////////////////////////////////////////////////////////////////////////////

graf2d/gpad/src/TPadPainter.cxx

@@ -89,7 +89,7 @@ gVirtualX or from my own member. So! All attributed, _ALL_ go to/from gVirtualX.
 
 void TPadPainter::SetOpacity(Int_t percent)
 {
-   gVirtualX->SetOpacity(percent);
+   gVirtualX->SetOpacityW(fWinContext, percent);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -146,10 +146,9 @@ void TPadPainter::ClearDrawable()
 
 void TPadPainter::CopyDrawable(Int_t device, Int_t px, Int_t py)
 {
-   gVirtualX->CopyPixmap(device, px, py);
+   gVirtualX->CopyPixmapW(fWinContext, device, px, py);
 }
 
-
 ////////////////////////////////////////////////////////////////////////////////
 /// Close the current gVirtualX pixmap.
 
@@ -160,7 +159,6 @@ void TPadPainter::DestroyDrawable(Int_t device)
    fWinContext = (WinContext_t) 0;
 }
 
-
 ////////////////////////////////////////////////////////////////////////////////
 /// Select the window in which the graphics will go.
 

graf3d/gl/src/TGLPadPainter.cxx

@@ -71,7 +71,8 @@ TGLPadPainter::TGLPadPainter()
 
 void TGLPadPainter::SetOpacity(Int_t percent)
 {
-   gVirtualX->SetOpacity(percent);
+   // does not work this way
+   gVirtualX->SetOpacityW(fWinContext, percent);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -183,7 +184,7 @@ Bool_t TGLPadPainter::IsCocoa() const
 
 void TGLPadPainter::CopyDrawable(Int_t /* device */, Int_t /* px */, Int_t /* py */)
 {
-   // gVirtualX->CopyPixmap(device, px, py);
+   // gVirtualX->CopyPixmapW(fWinContext, device, px, py);
 }
 
 ////////////////////////////////////////////////////////////////////////////////