Related: #i123840# normalize SalFrame resolution type to sal_Int32

(cherry picked from commit 8a7cfd2b)

Conflicts:
	vcl/aqua/source/gdi/salgdi.cxx
	vcl/aqua/source/gdi/salprn.cxx
	vcl/aqua/source/window/salframe.cxx
	vcl/inc/aqua/salframe.h
	vcl/inc/aqua/salgdi.h
	vcl/inc/os2/salgdi.h
	vcl/os2/source/gdi/salgdi.cxx
	vcl/unx/generic/gdi/salgdi3.cxx

Change-Id: I86f2902d765422b4b850619c72119ad4e03452d7

vcl/inc/win/salgdi.h

@@ -277,7 +277,7 @@ public:
     // public SalGraphics methods, the interface to the independent vcl part
 
     // get device resolution
-    virtual void            GetResolution( long& rDPIX, long& rDPIY );
+    virtual void            GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY );
     // get the depth of the device
     virtual sal_uInt16          GetBitCount() const;
     // get the width of the device

vcl/quartz/salgdicommon.cxx

@@ -1229,8 +1229,8 @@ void AquaSalGraphics::GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY )
         initResolution( (mbWindow && mpFrame) ? mpFrame->getNSWindow() : nil );
     }
 
-    rDPIX = static_cast<sal_Int32>(mfFakeDPIScale * mnRealDPIX);
-    rDPIY = static_cast<sal_Int32>(mfFakeDPIScale * mnRealDPIY);
+    rDPIX = lrint( mfFakeDPIScale * mnRealDPIX);
+    rDPIY = lrint( mfFakeDPIScale * mnRealDPIY);
 }
 
 #endif

vcl/win/source/gdi/salgdi.cxx

@@ -778,7 +778,7 @@ WinSalGraphics::~WinSalGraphics()
 
 // -----------------------------------------------------------------------
 
-void WinSalGraphics::GetResolution( long& rDPIX, long& rDPIY )
+void WinSalGraphics::GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY )
 {
     rDPIX = GetDeviceCaps( getHDC(), LOGPIXELSX );
     rDPIY = GetDeviceCaps( getHDC(), LOGPIXELSY );