more wxSocket code wx-ification: use wxDynamicLibrary instead of raw Win32 calls

[wxWidgets.git] / src / msw / dc.cpp

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index 161ec57c367f76407f23d8ec10a2a2a384e4d5e2..d878f66645385b778425e3db9fc0a8992cdb4b23 100644 (file)
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -43,7 +43,7 @@
 #include "wx/sysopt.h"
 #include "wx/dynlib.h"
 
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
 #include "wx/rawbmp.h"
 #endif
 
@@ -133,7 +133,7 @@ static bool AlphaBlt(HDC hdcDst,
                      HDC hdcSrc,
                      const wxBitmap& bmp);
 
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
 
 // our (limited) AlphaBlend() replacement for Windows versions not providing it
 static void
@@ -143,7 +143,7 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
              int srcWidth, int srcHeight,
              const wxBitmap& bmpSrc);
 
-#endif // wxHAVE_RAW_BITMAP
+#endif // wxHAS_RAW_BITMAP
 
 // ----------------------------------------------------------------------------
 // private classes
@@ -399,6 +399,16 @@ wxBrushAttrsSetter::wxBrushAttrsSetter(wxMSWDCImpl& dc)
     }
 }
 
+// ----------------------------------------------------------------------------
+// wxDC MSW-specific methods
+// ----------------------------------------------------------------------------
+
+WXHDC wxDC::GetHDC() const
+{
+    wxMSWDCImpl * const impl = wxDynamicCast(GetImpl(), wxMSWDCImpl);
+    return impl ? impl->GetHDC() : 0;
+}
+
 // ---------------------------------------------------------------------------
 // wxMSWDCImpl
 // ---------------------------------------------------------------------------
@@ -525,7 +535,7 @@ wxMSWDCImpl::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) co
     wxDCImpl::DoGetClippingBox(x, y, w, h);
 }
 
-// common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion()
+// common part of DoSetClippingRegion() and DoSetDeviceClippingRegion()
 void wxMSWDCImpl::SetClippingHrgn(WXHRGN hrgn)
 {
     wxCHECK_RET( hrgn, wxT("invalid clipping region") );
@@ -593,7 +603,7 @@ void wxMSWDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h
     }
 }
 
-void wxMSWDCImpl::DoSetClippingRegionAsRegion(const wxRegion& region)
+void wxMSWDCImpl::DoSetDeviceClippingRegion(const wxRegion& region)
 {
     SetClippingHrgn(region.GetHRGN());
 }
@@ -1074,22 +1084,23 @@ void wxMSWDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord hei
 
     wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
 
-    wxCoord x2 = (x+width);
-    wxCoord y2 = (y+height);
+    // +1 below makes the ellipse more similar to other platforms.
+    // In particular, DoDrawEllipse(x,y,1,1) should draw one point.
+    wxCoord x2 = x + width + 1;
+    wxCoord y2 = y + height + 1;
 
-    (void)Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
+    // Problem: Windows GDI Ellipse() with x2-x == y2-y == 3 and transparent
+    // pen doesn't draw anything. Should we provide a workaround?
+
+    ::Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
 
     CalcBoundingBox(x, y);
     CalcBoundingBox(x2, y2);
 }
 
-#if wxUSE_SPLINES
+#if wxUSE_SPLINES && !defined(__WXWINCE__)
 void wxMSWDCImpl::DoDrawSpline(const wxPointList *points)
 {
-#ifdef  __WXWINCE__
-    // WinCE does not support ::PolyBezier so use generic version
-    wxDCImpl::DoDrawSpline(points);
-#else
     // quadratic b-spline to cubic bezier spline conversion
     //
     // quadratic spline with control points P0,P1,P2
@@ -1178,9 +1189,8 @@ void wxMSWDCImpl::DoDrawSpline(const wxPointList *points)
     ::PolyBezier( GetHdc(), lppt, bezier_pos );
 
     free(lppt);
-#endif
 }
-#endif
+#endif // wxUSE_SPLINES
 
 // Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows
 void wxMSWDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
@@ -1909,9 +1919,9 @@ bool wxMSWDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widt
 
 void wxMSWDCImpl::RealizeScaleAndOrigin()
 {
-    // VZ: it seems very wasteful to always use MM_ANISOTROPIC when in 99% of
-    //     cases we could do with MM_TEXT and in the remaining 0.9% with
-    //     MM_ISOTROPIC (TODO!)
+    // although it may seem wasteful to always use MM_ANISOTROPIC here instead
+    // of using MM_TEXT if there is no scaling, benchmarking doesn't detect any
+    // noticeable difference between these mapping modes
 #ifndef __WXWINCE__
     ::SetMapMode(GetHdc(), MM_ANISOTROPIC);
 
@@ -2022,9 +2032,15 @@ void wxMSWDCImpl::SetLogicalOrigin(wxCoord x, wxCoord y)
 
     wxDCImpl::SetLogicalOrigin( x, y );
 
-#ifndef __WXWINCE__
-    ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
-#endif
+    RealizeScaleAndOrigin();
+}
+
+// For use by wxWidgets only, unless custom units are required.
+void wxMSWDCImpl::SetLogicalScale(double x, double y)
+{
+    WXMICROWIN_CHECK_HDC
+
+    wxDCImpl::SetLogicalScale(x,y);
 }
 
 void wxMSWDCImpl::SetDeviceOrigin(wxCoord x, wxCoord y)
@@ -2394,14 +2410,6 @@ wxSize wxMSWDCImpl::GetPPI() const
     return wxSize(x, y);
 }
 
-// For use by wxWidgets only, unless custom units are required.
-void wxMSWDCImpl::SetLogicalScale(double x, double y)
-{
-    WXMICROWIN_CHECK_HDC
-
-    wxDCImpl::SetLogicalScale(x,y);
-}
-
 // ----------------------------------------------------------------------------
 // DC caching
 // ----------------------------------------------------------------------------
@@ -2586,21 +2594,21 @@ static bool AlphaBlt(HDC hdcDst,
 
     // AlphaBlend() unavailable of failed: use our own (probably much slower)
     // implementation
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
     wxAlphaBlend(hdcDst, x, y, dstWidth, dstHeight, srcX, srcY, srcWidth, srcHeight, bmp);
 
     return true;
-#else // !wxHAVE_RAW_BITMAP
+#else // !wxHAS_RAW_BITMAP
     // no wxAlphaBlend() neither, fall back to using simple BitBlt() (we lose
     // alpha but at least something will be shown like this)
     wxUnusedVar(bmp);
     return false;
-#endif // wxHAVE_RAW_BITMAP
+#endif // wxHAS_RAW_BITMAP/!wxHAS_RAW_BITMAP
 }
 
 
 // wxAlphaBlend: our fallback if ::AlphaBlend() is unavailable
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
 
 static void
 wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
@@ -2662,7 +2670,7 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
     }
 }
 
-#endif // #ifdef wxHAVE_RAW_BITMAP
+#endif // wxHAS_RAW_BITMAP
 
 void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect,
                                  const wxColour& initialColour,