X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9effb77dbc83d7def19da6b61fe46f75b08420ef..07aaf32633ecf18ec3edfbb41793a112914792d0:/src/msw/dc.cpp?ds=sidebyside

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index 5dbd1f291f..b828f025e1 100644
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -34,6 +34,7 @@
     #include "wx/bitmap.h"
     #include "wx/dcmemory.h"
     #include "wx/log.h"
+    #include "wx/math.h"
     #include "wx/icon.h"
     #include "wx/dcprint.h"
     #include "wx/module.h"
@@ -43,15 +44,16 @@
 #include "wx/sysopt.h"
 #include "wx/dynlib.h"
 
-#ifdef wxHAVE_RAW_BITMAP
-#include "wx/rawbmp.h"
+#ifdef wxHAS_RAW_BITMAP
+    #include "wx/rawbmp.h"
 #endif
 
 #include <string.h>
 
-#ifndef __WIN32__
-    #include <print.h>
-#endif
+#include "wx/msw/private/dc.h"
+#include "wx/private/textmeasure.h"
+
+using namespace wxMSWImpl;
 
 #ifndef AC_SRC_ALPHA
     #define AC_SRC_ALPHA 1
@@ -82,7 +84,9 @@ IMPLEMENT_ABSTRACT_CLASS(wxMSWDCImpl, wxDCImpl)
 // constants
 // ---------------------------------------------------------------------------
 
-static const int VIEWPORT_EXTENT = 1000;
+// The device space in Win32 GDI measures 2^27*2^27 , so we use 2^27-1 as the
+// maximal possible view port extent.
+static const int VIEWPORT_EXTENT = 134217727;
 
 // ROPs which don't have standard names (see "Ternary Raster Operations" in the
 // MSDN docs for how this and other numbers in wxDC::Blit() are obtained)
@@ -133,7 +137,7 @@ 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
@@ -143,124 +147,27 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
              int srcWidth, int srcHeight,
              const wxBitmap& bmpSrc);
 
-#endif // wxHAVE_RAW_BITMAP
-
-// ----------------------------------------------------------------------------
-// private classes
-// ----------------------------------------------------------------------------
-
-// various classes to change some DC property temporarily
+#endif // wxHAS_RAW_BITMAP
 
-// text background and foreground colours
-class wxTextColoursChanger
+namespace wxMSW
 {
-public:
-    wxTextColoursChanger(HDC hdc, const wxMSWDCImpl& dc)
-        : m_hdc(hdc)
-    {
-        Change(dc.GetTextForeground(), dc.GetTextBackground());
-    }
-
-    wxTextColoursChanger(HDC hdc, const wxColour& colFg, const wxColour& colBg)
-        : m_hdc(hdc)
-    {
-        Change(colFg, colBg);
-    }
 
-    ~wxTextColoursChanger()
-    {
-        if ( m_oldColFg != CLR_INVALID )
-            ::SetTextColor(m_hdc, m_oldColFg);
-        if ( m_oldColBg != CLR_INVALID )
-            ::SetBkColor(m_hdc, m_oldColBg);
-    }
-
-protected:
-    // this ctor doesn't change mode immediately, call Change() later to do it
-    // only if needed
-    wxTextColoursChanger(HDC hdc)
-        : m_hdc(hdc)
-    {
-        m_oldColFg =
-        m_oldColBg = CLR_INVALID;
-    }
+// Wrappers for the dynamically loaded {Set,Get}Layout() functions. They work
+// in exactly the same way as the standard functions and return GDI_ERROR if
+// they're not actually available.
+DWORD GetLayout(HDC hdc);
+DWORD SetLayout(HDC hdc, DWORD dwLayout);
 
-    void Change(const wxColour& colFg, const wxColour& colBg)
-    {
-        if ( colFg.IsOk() )
-        {
-            m_oldColFg = ::SetTextColor(m_hdc, colFg.GetPixel());
-            if ( m_oldColFg == CLR_INVALID )
-            {
-                wxLogLastError(_T("SetTextColor"));
-            }
-        }
-        else
-        {
-            m_oldColFg = CLR_INVALID;
-        }
+// Create a compatible HDC and copy the layout of the source DC to it. This is
+// necessary in order to draw bitmaps (which are usually blitted from a
+// temporary compatible memory DC to the real target DC) using the same layout.
+HDC CreateCompatibleDCWithLayout(HDC hdc);
 
-        if ( colBg.IsOk() )
-        {
-            m_oldColBg = ::SetBkColor(m_hdc, colBg.GetPixel());
-            if ( m_oldColBg == CLR_INVALID )
-            {
-                wxLogLastError(_T("SetBkColor"));
-            }
-        }
-        else
-        {
-            m_oldColBg = CLR_INVALID;
-        }
-    }
+} // namespace wxMSW
 
-private:
-    const HDC m_hdc;
-    COLORREF m_oldColFg,
-             m_oldColBg;
-
-    DECLARE_NO_COPY_CLASS(wxTextColoursChanger)
-};
-
-// background mode
-class wxBkModeChanger
-{
-public:
-    // set background mode to opaque if mode != wxBRUSHSTYLE_TRANSPARENT
-    wxBkModeChanger(HDC hdc, int mode)
-        : m_hdc(hdc)
-    {
-        Change(mode);
-    }
-
-    ~wxBkModeChanger()
-    {
-        if ( m_oldMode )
-            ::SetBkMode(m_hdc, m_oldMode);
-    }
-
-protected:
-    // this ctor doesn't change mode immediately, call Change() later to do it
-    // only if needed
-    wxBkModeChanger(HDC hdc) : m_hdc(hdc) { m_oldMode = 0; }
-
-    void Change(int mode)
-    {
-        m_oldMode = ::SetBkMode(m_hdc, mode == wxBRUSHSTYLE_TRANSPARENT
-                                        ? TRANSPARENT
-                                        : OPAQUE);
-        if ( !m_oldMode )
-        {
-            wxLogLastError(_T("SetBkMode"));
-        }
-    }
-
-private:
-    const HDC m_hdc;
-    int m_oldMode;
-
-    DECLARE_NO_COPY_CLASS(wxBkModeChanger)
-};
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
 
 // instead of duplicating the same code which sets and then restores text
 // colours in each wxDC method working with wxSTIPPLE_MASK_OPAQUE brushes,
@@ -275,30 +182,38 @@ public:
     wxBrushAttrsSetter(wxMSWDCImpl& dc);
 
 private:
-    DECLARE_NO_COPY_CLASS(wxBrushAttrsSetter)
+    wxDECLARE_NO_COPY_CLASS(wxBrushAttrsSetter);
 };
 
-// this class saves the old stretch blit mode during its life time
+#ifdef __WXWINCE__
+
+#define SET_STRETCH_BLT_MODE(hdc)
+
+#else // !__WXWINCE__
+
+// this class sets the stretch blit mode to COLORONCOLOR during its lifetime
+//
+// don't use it directly, use SET_STRETCH_BLT_MODE() macro instead as it
+// expands to nothing under WinCE which doesn't have SetStretchBltMode()
 class StretchBltModeChanger
 {
 public:
-    StretchBltModeChanger(HDC hdc,
-                          int WXUNUSED_IN_WINCE(mode))
+    StretchBltModeChanger(HDC hdc)
         : m_hdc(hdc)
     {
-#ifndef __WXWINCE__
-        m_modeOld = ::SetStretchBltMode(m_hdc, mode);
+        m_modeOld = ::SetStretchBltMode(m_hdc, COLORONCOLOR);
         if ( !m_modeOld )
-            wxLogLastError(_T("SetStretchBltMode"));
-#endif
+        {
+            wxLogLastError(wxT("SetStretchBltMode"));
+        }
     }
 
     ~StretchBltModeChanger()
     {
-#ifndef __WXWINCE__
         if ( !::SetStretchBltMode(m_hdc, m_modeOld) )
-            wxLogLastError(_T("SetStretchBltMode"));
-#endif
+        {
+            wxLogLastError(wxT("SetStretchBltMode"));
+        }
     }
 
 private:
@@ -306,9 +221,14 @@ private:
 
     int m_modeOld;
 
-    DECLARE_NO_COPY_CLASS(StretchBltModeChanger)
+    wxDECLARE_NO_COPY_CLASS(StretchBltModeChanger);
 };
 
+#define SET_STRETCH_BLT_MODE(hdc) \
+    StretchBltModeChanger wxMAKE_UNIQUE_NAME(stretchModeChanger)(hdc)
+
+#endif // __WXWINCE__/!__WXWINCE__
+
 #if wxUSE_DYNLIB_CLASS
 
 // helper class to cache dynamically loaded libraries and not attempt reloading
@@ -355,7 +275,7 @@ private:
     const wxChar *m_dllName;
 };
 
-static wxOnceOnlyDLLLoader wxMSIMG32DLL(_T("msimg32"));
+static wxOnceOnlyDLLLoader wxMSIMG32DLL(wxT("msimg32"));
 
 // we must ensure that DLLs are unloaded before the static objects cleanup time
 // because we may hit the notorious DllMain() dead lock in this case if wx is
@@ -373,6 +293,98 @@ private:
 
 IMPLEMENT_DYNAMIC_CLASS(wxGDIDLLsCleanupModule, wxModule)
 
+namespace
+{
+
+#if wxUSE_DC_TRANSFORM_MATRIX
+
+// Class used to dynamically load world transform related API functions.
+class GdiWorldTransformFuncs
+{
+public:
+    static bool IsOk()
+    {
+        if ( !ms_worldTransformSymbolsLoaded )
+            LoadWorldTransformSymbols();
+
+        return ms_pfnSetGraphicsMode &&
+                ms_pfnSetWorldTransform &&
+                 ms_pfnGetWorldTransform &&
+                  ms_pfnModifyWorldTransform;
+    }
+
+    typedef int (WINAPI *SetGraphicsMode_t)(HDC, int);
+    static SetGraphicsMode_t SetGraphicsMode()
+    {
+        if ( !ms_worldTransformSymbolsLoaded )
+            LoadWorldTransformSymbols();
+
+        return ms_pfnSetGraphicsMode;
+    }
+
+    typedef BOOL (WINAPI *SetWorldTransform_t)(HDC, const XFORM *);
+    static SetWorldTransform_t SetWorldTransform()
+    {
+        if ( !ms_worldTransformSymbolsLoaded )
+            LoadWorldTransformSymbols();
+
+        return ms_pfnSetWorldTransform;
+    }
+
+    typedef BOOL (WINAPI *GetWorldTransform_t)(HDC, LPXFORM);
+    static GetWorldTransform_t GetWorldTransform()
+    {
+        if ( !ms_worldTransformSymbolsLoaded )
+            LoadWorldTransformSymbols();
+
+        return ms_pfnGetWorldTransform;
+    }
+
+    typedef BOOL (WINAPI *ModifyWorldTransform_t)(HDC, const XFORM *, DWORD);
+    static ModifyWorldTransform_t ModifyWorldTransform()
+    {
+        if ( !ms_worldTransformSymbolsLoaded )
+            LoadWorldTransformSymbols();
+
+        return ms_pfnModifyWorldTransform;
+    }
+
+private:
+    static void LoadWorldTransformSymbols()
+    {
+        wxDynamicLibrary dll(wxT("gdi32.dll"));
+
+        wxDL_INIT_FUNC(ms_pfn, SetGraphicsMode, dll);
+        wxDL_INIT_FUNC(ms_pfn, SetWorldTransform, dll);
+        wxDL_INIT_FUNC(ms_pfn, GetWorldTransform, dll);
+        wxDL_INIT_FUNC(ms_pfn, ModifyWorldTransform, dll);
+
+        ms_worldTransformSymbolsLoaded = true;
+    }
+
+    static SetGraphicsMode_t ms_pfnSetGraphicsMode;
+    static SetWorldTransform_t ms_pfnSetWorldTransform;
+    static GetWorldTransform_t ms_pfnGetWorldTransform;
+    static ModifyWorldTransform_t ms_pfnModifyWorldTransform;
+
+    static bool ms_worldTransformSymbolsLoaded;
+};
+
+GdiWorldTransformFuncs::SetGraphicsMode_t
+    GdiWorldTransformFuncs::ms_pfnSetGraphicsMode = NULL;
+GdiWorldTransformFuncs::SetWorldTransform_t
+    GdiWorldTransformFuncs::ms_pfnSetWorldTransform = NULL;
+GdiWorldTransformFuncs::GetWorldTransform_t
+    GdiWorldTransformFuncs::ms_pfnGetWorldTransform = NULL;
+GdiWorldTransformFuncs::ModifyWorldTransform_t
+    GdiWorldTransformFuncs::ms_pfnModifyWorldTransform = NULL;
+
+bool GdiWorldTransformFuncs::ms_worldTransformSymbolsLoaded = false;
+
+#endif // wxUSE_DC_TRANSFORM_MATRIX
+
+} // anonymous namespace
+
 #endif // wxUSE_DYNLIB_CLASS
 
 // ===========================================================================
@@ -399,6 +411,16 @@ wxBrushAttrsSetter::wxBrushAttrsSetter(wxMSWDCImpl& dc)
     }
 }
 
+// ----------------------------------------------------------------------------
+// wxDC MSW-specific methods
+// ----------------------------------------------------------------------------
+
+WXHDC wxDC::GetHDC() const
+{
+    wxMSWDCImpl * const impl = wxDynamicCast(GetImpl(), wxMSWDCImpl);
+    return impl ? impl->GetHDC() : 0;
+}
+
 // ---------------------------------------------------------------------------
 // wxMSWDCImpl
 // ---------------------------------------------------------------------------
@@ -447,12 +469,10 @@ void wxMSWDCImpl::SelectOldObjects(WXHDC dc)
         if (m_oldBitmap)
         {
             ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap);
-#ifdef __WXDEBUG__
             if (m_selectedBitmap.IsOk())
             {
                 m_selectedBitmap.SetSelectedInto(NULL);
             }
-#endif
         }
         m_oldBitmap = 0;
         if (m_oldPen)
@@ -525,7 +545,7 @@ 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") );
@@ -560,7 +580,7 @@ void wxMSWDCImpl::SetClippingHrgn(WXHRGN hrgn)
 #else // !WinCE
     if ( ::ExtSelectClipRgn(GetHdc(), (HRGN)hrgn, RGN_AND) == ERROR )
     {
-        wxLogLastError(_T("ExtSelectClipRgn"));
+        wxLogLastError(wxT("ExtSelectClipRgn"));
 
         return;
     }
@@ -583,7 +603,7 @@ void wxMSWDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h
                                 LogicalToDeviceY(y + h));
     if ( !hrgn )
     {
-        wxLogLastError(_T("CreateRectRgn"));
+        wxLogLastError(wxT("CreateRectRgn"));
     }
     else
     {
@@ -593,7 +613,7 @@ 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());
 }
@@ -695,7 +715,7 @@ void wxMSWDCImpl::Clear()
 bool wxMSWDCImpl::DoFloodFill(wxCoord WXUNUSED_IN_WINCE(x),
                        wxCoord WXUNUSED_IN_WINCE(y),
                        const wxColour& WXUNUSED_IN_WINCE(col),
-                       int WXUNUSED_IN_WINCE(style))
+                       wxFloodFillStyle WXUNUSED_IN_WINCE(style))
 {
 #ifdef __WXWINCE__
     return false;
@@ -733,7 +753,7 @@ bool wxMSWDCImpl::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
 {
     WXMICROWIN_CHECK_HDC_RET(false)
 
-    wxCHECK_MSG( col, false, _T("NULL colour parameter in wxMSWDCImpl::GetPixel") );
+    wxCHECK_MSG( col, false, wxT("NULL colour parameter in wxMSWDCImpl::GetPixel") );
 
     // get the color of the pixel
     COLORREF pixelcolor = ::GetPixel(GetHdc(), XLOG2DEV(x), YLOG2DEV(y));
@@ -775,11 +795,16 @@ void wxMSWDCImpl::DoDrawArc(wxCoord x1, wxCoord y1,
                      wxCoord x2, wxCoord y2,
                      wxCoord xc, wxCoord yc)
 {
+    double dx = xc - x1;
+    double dy = yc - y1;
+    wxCoord r = (wxCoord)sqrt(dx*dx + dy*dy);
+
+
 #ifdef __WXWINCE__
     // Slower emulation since WinCE doesn't support Pie and Arc
-    double r = sqrt( (x1-xc)*(x1-xc) + (y1-yc)*(y1-yc) );
     double sa = acos((x1-xc)/r)/M_PI*180; // between 0 and 180
-    if( y1>yc ) sa = -sa; // below center
+    if( y1>yc )
+        sa = -sa; // below center
     double ea = atan2(yc-y2, x2-xc)/M_PI*180;
     DoDrawEllipticArcRot( xc-r, yc-r, 2*r, 2*r, sa, ea );
 #else
@@ -788,11 +813,6 @@ void wxMSWDCImpl::DoDrawArc(wxCoord x1, wxCoord y1,
 
     wxBrushAttrsSetter cc(*this); // needed for wxSTIPPLE_MASK_OPAQUE handling
 
-    double dx = xc - x1;
-    double dy = yc - y1;
-    double radius = (double)sqrt(dx*dx+dy*dy);
-    wxCoord r = (wxCoord)radius;
-
     // treat the special case of full circle separately
     if ( x1 == x2 && y1 == y2 )
     {
@@ -806,14 +826,16 @@ void wxMSWDCImpl::DoDrawArc(wxCoord x1, wxCoord y1,
     wxCoord yy2 = YLOG2DEV(y2);
     wxCoord xxc = XLOG2DEV(xc);
     wxCoord yyc = YLOG2DEV(yc);
-    wxCoord ray = (wxCoord) sqrt(double((xxc-xx1)*(xxc-xx1)+(yyc-yy1)*(yyc-yy1)));
+    dx = xxc - xx1;
+    dy = yyc - yy1;
+    wxCoord ray = (wxCoord)sqrt(dx*dx + dy*dy);
 
     wxCoord xxx1 = (wxCoord) (xxc-ray);
     wxCoord yyy1 = (wxCoord) (yyc-ray);
     wxCoord xxx2 = (wxCoord) (xxc+ray);
     wxCoord yyy2 = (wxCoord) (yyc+ray);
 
-    if ( m_brush.IsOk() && m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT )
+    if ( m_brush.IsNonTransparent() )
     {
         // Have to add 1 to bottom-right corner of rectangle
         // to make semi-circles look right (crooked line otherwise).
@@ -875,10 +897,10 @@ void wxMSWDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
 }
 
 void wxMSWDCImpl::DoDrawPolygon(int n,
-                         wxPoint points[],
+                         const wxPoint points[],
                          wxCoord xoffset,
                          wxCoord yoffset,
-                         int WXUNUSED_IN_WINCE(fillStyle))
+                         wxPolygonFillMode WXUNUSED_IN_WINCE(fillStyle))
 {
     WXMICROWIN_CHECK_HDC
 
@@ -923,11 +945,11 @@ void wxMSWDCImpl::DoDrawPolygon(int n,
 
 void
 wxMSWDCImpl::DoDrawPolyPolygon(int n,
-                        int count[],
-                        wxPoint points[],
+                        const int count[],
+                        const wxPoint points[],
                         wxCoord xoffset,
                         wxCoord yoffset,
-                        int fillStyle)
+                        wxPolygonFillMode fillStyle)
 {
 #ifdef __WXWINCE__
     wxDCImpl::DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle);
@@ -976,7 +998,7 @@ wxMSWDCImpl::DoDrawPolyPolygon(int n,
   // __WXWINCE__
 }
 
-void wxMSWDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
+void wxMSWDCImpl::DoDrawLines(int n, const wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 {
     WXMICROWIN_CHECK_HDC
 
@@ -1021,7 +1043,7 @@ void wxMSWDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord h
     // (i.e. drawn with a transparent pen) one pixel smaller in both directions
     // and we want them to have the same size regardless of which pen is used
 #ifndef __WXWINCE__
-    if ( m_pen.IsOk() && m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT )
+    if ( m_pen.IsTransparent() )
     {
         x2dev++;
         y2dev++;
@@ -1055,7 +1077,7 @@ void wxMSWDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wx
     // Windows draws the filled rectangles without outline (i.e. drawn with a
     // transparent pen) one pixel smaller in both directions and we want them
     // to have the same size regardless of which pen is used - adjust
-    if ( m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT )
+    if ( m_pen.IsTransparent() )
     {
         x2++;
         y2++;
@@ -1074,22 +1096,23 @@ 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;
+
+    // Problem: Windows GDI Ellipse() with x2-x == y2-y == 3 and transparent
+    // pen doesn't draw anything. Should we provide a workaround?
 
-    (void)Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
+    ::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
@@ -1137,11 +1160,11 @@ void wxMSWDCImpl::DoDrawSpline(const wxPointList *points)
     lppt[ bezier_pos ] = lppt[ bezier_pos-1 ];
     bezier_pos++;
 
-#if !wxUSE_STL
+#if !wxUSE_STD_CONTAINERS
     while ((node = node->GetNext()) != NULL)
 #else
     while ((node = node->GetNext()))
-#endif // !wxUSE_STL
+#endif // !wxUSE_STD_CONTAINERS
     {
         p = (wxPoint *)node->GetData();
         x1 = x2;
@@ -1178,9 +1201,8 @@ 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)
@@ -1264,7 +1286,7 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool
 {
     WXMICROWIN_CHECK_HDC
 
-    wxCHECK_RET( bmp.IsOk(), _T("invalid bitmap in wxMSWDCImpl::DrawBitmap") );
+    wxCHECK_RET( bmp.IsOk(), wxT("invalid bitmap in wxMSWDCImpl::DrawBitmap") );
 
     int width = bmp.GetWidth(),
         height = bmp.GetHeight();
@@ -1284,6 +1306,8 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool
             return;
     }
 
+    SET_STRETCH_BLT_MODE(GetHdc());
+
     if ( useMask )
     {
         wxMask *mask = bmp.GetMask();
@@ -1302,16 +1326,23 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool
 #ifdef __WIN32__
         // use MaskBlt() with ROP which doesn't do anything to dst in the mask
         // points
+        bool ok = false;
+
+#if wxUSE_SYSTEM_OPTIONS
         // On some systems, MaskBlt succeeds yet is much much slower
         // than the wxWidgets fall-back implementation. So we need
         // to be able to switch this on and off at runtime.
-        bool ok = false;
-#if wxUSE_SYSTEM_OPTIONS
-        if (wxSystemOptions::GetOptionInt(wxT("no-maskblt")) == 0)
-#endif
+        //
+        // NB: don't query the value of the option every time but do it only
+        //     once as otherwise it can have real (and bad) performance
+        //     implications (see #11172)
+        static bool
+            s_maskBltAllowed = wxSystemOptions::GetOptionInt("no-maskblt") == 0;
+        if ( s_maskBltAllowed )
+#endif // wxUSE_SYSTEM_OPTIONS
         {
             HDC cdc = GetHdc();
-            HDC hdcMem = ::CreateCompatibleDC(GetHdc());
+            HDC hdcMem = wxMSW::CreateCompatibleDCWithLayout(cdc);
             HGDIOBJ hOldBitmap = ::SelectObject(hdcMem, GetHbitmapOf(bmp));
 #if wxUSE_PALETTE
             wxPalette *pal = bmp.GetPalette();
@@ -1343,17 +1374,16 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool
             // level
             wxMemoryDC memDC;
 
+            memDC.SetLayoutDirection(GetLayoutDirection());
             memDC.SelectObjectAsSource(bmp);
 
             GetOwner()->Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask);
-
-            memDC.SelectObject(wxNullBitmap);
         }
     }
     else // no mask, just use BitBlt()
     {
         HDC cdc = GetHdc();
-        HDC memdc = ::CreateCompatibleDC( cdc );
+        HDC memdc = wxMSW::CreateCompatibleDCWithLayout( cdc );
         HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( );
 
         wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") );
@@ -1384,6 +1414,18 @@ void wxMSWDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool
 
 void wxMSWDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
 {
+    // For compatibility with other ports (notably wxGTK) and because it's
+    // genuinely useful, we allow passing multiline strings to DrawText().
+    // However there is no native MSW function to draw them directly so we
+    // instead reuse the generic DrawLabel() method to render them. Of course,
+    // DrawLabel() itself will call back to us but with single line strings
+    // only so there won't be any infinite recursion here.
+    if ( text.find('\n') != wxString::npos )
+    {
+        GetOwner()->DrawLabel(text, wxRect(x, y, 0, 0));
+        return;
+    }
+
     WXMICROWIN_CHECK_HDC
 
     DrawAnyText(text, x, y);
@@ -1557,7 +1599,7 @@ void wxMSWDCImpl::SetFont(const wxFont& font)
         HGDIOBJ hfont = ::SelectObject(GetHdc(), GetHfontOf(font));
         if ( hfont == HGDI_ERROR )
         {
-            wxLogLastError(_T("SelectObject(font)"));
+            wxLogLastError(wxT("SelectObject(font)"));
         }
         else // selected ok
         {
@@ -1573,7 +1615,7 @@ void wxMSWDCImpl::SetFont(const wxFont& font)
         {
             if ( ::SelectObject(GetHdc(), (HPEN) m_oldFont) == HGDI_ERROR )
             {
-                wxLogLastError(_T("SelectObject(old font)"));
+                wxLogLastError(wxT("SelectObject(old font)"));
             }
 
             m_oldFont = 0;
@@ -1595,7 +1637,7 @@ void wxMSWDCImpl::SetPen(const wxPen& pen)
         HGDIOBJ hpen = ::SelectObject(GetHdc(), GetHpenOf(pen));
         if ( hpen == HGDI_ERROR )
         {
-            wxLogLastError(_T("SelectObject(pen)"));
+            wxLogLastError(wxT("SelectObject(pen)"));
         }
         else // selected ok
         {
@@ -1611,7 +1653,7 @@ void wxMSWDCImpl::SetPen(const wxPen& pen)
         {
             if ( ::SelectObject(GetHdc(), (HPEN) m_oldPen) == HGDI_ERROR )
             {
-                wxLogLastError(_T("SelectObject(old pen)"));
+                wxLogLastError(wxT("SelectObject(old pen)"));
             }
 
             m_oldPen = 0;
@@ -1631,26 +1673,33 @@ void wxMSWDCImpl::SetBrush(const wxBrush& brush)
     if ( brush.IsOk() )
     {
         // we must make sure the brush is aligned with the logical coordinates
-        // before selecting it
+        // before selecting it or using the same brush for the background of
+        // different windows would result in discontinuities
+        wxSize sizeBrushBitmap = wxDefaultSize;
         wxBitmap *stipple = brush.GetStipple();
         if ( stipple && stipple->IsOk() )
+            sizeBrushBitmap = stipple->GetSize();
+        else if ( brush.IsHatch() )
+            sizeBrushBitmap = wxSize(8, 8);
+
+        if ( sizeBrushBitmap.IsFullySpecified() )
         {
             if ( !::SetBrushOrgEx
                     (
                         GetHdc(),
-                        m_deviceOriginX % stipple->GetWidth(),
-                        m_deviceOriginY % stipple->GetHeight(),
+                        m_deviceOriginX % sizeBrushBitmap.x,
+                        m_deviceOriginY % sizeBrushBitmap.y,
                         NULL                    // [out] previous brush origin
                     ) )
             {
-                wxLogLastError(_T("SetBrushOrgEx()"));
+                wxLogLastError(wxT("SetBrushOrgEx()"));
             }
         }
 
         HGDIOBJ hbrush = ::SelectObject(GetHdc(), GetHbrushOf(brush));
         if ( hbrush == HGDI_ERROR )
         {
-            wxLogLastError(_T("SelectObject(brush)"));
+            wxLogLastError(wxT("SelectObject(brush)"));
         }
         else // selected ok
         {
@@ -1666,7 +1715,7 @@ void wxMSWDCImpl::SetBrush(const wxBrush& brush)
         {
             if ( ::SelectObject(GetHdc(), (HPEN) m_oldBrush) == HGDI_ERROR )
             {
-                wxLogLastError(_T("SelectObject(old brush)"));
+                wxLogLastError(wxT("SelectObject(old brush)"));
             }
 
             m_oldBrush = 0;
@@ -1698,7 +1747,7 @@ void wxMSWDCImpl::SetBackgroundMode(int mode)
     // and m_backgroundMode is used there
 }
 
-void wxMSWDCImpl::SetLogicalFunction(int function)
+void wxMSWDCImpl::SetLogicalFunction(wxRasterOperationMode function)
 {
     WXMICROWIN_CHECK_HDC
 
@@ -1732,10 +1781,9 @@ void wxMSWDCImpl::SetRop(WXHDC dc)
         case wxNAND:         rop = R2_NOTMASKPEN;    break;
         case wxOR:           rop = R2_MERGEPEN;      break;
         case wxSET:          rop = R2_WHITE;         break;
-
         default:
-           wxFAIL_MSG( wxT("unsupported logical function") );
-           return;
+            wxFAIL_MSG( wxS("unknown logical function") );
+            return;
     }
 
     SetROP2(GetHdc(), rop);
@@ -1785,6 +1833,31 @@ wxCoord wxMSWDCImpl::GetCharWidth() const
     return lpTextMetric.tmAveCharWidth;
 }
 
+void wxMSWDCImpl::DoGetFontMetrics(int *height,
+                                   int *ascent,
+                                   int *descent,
+                                   int *internalLeading,
+                                   int *externalLeading,
+                                   int *averageWidth) const
+{
+    TEXTMETRIC tm;
+
+    GetTextMetrics(GetHdc(), &tm);
+
+    if ( height )
+        *height = tm.tmHeight;
+    if ( ascent )
+        *ascent = tm.tmAscent;
+    if ( descent )
+        *descent = tm.tmDescent;
+    if ( internalLeading )
+        *internalLeading = tm.tmInternalLeading;
+    if ( externalLeading )
+        *externalLeading = tm.tmExternalLeading;
+    if ( averageWidth )
+        *averageWidth = tm.tmAveCharWidth;
+}
+
 void wxMSWDCImpl::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
                            wxCoord *descent, wxCoord *externalLeading,
                            const wxFont *font) const
@@ -1800,113 +1873,44 @@ void wxMSWDCImpl::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y
     }
 #endif // __WXMICROWIN__
 
-    HFONT hfontOld;
-    if ( font )
-    {
-        wxASSERT_MSG( font->IsOk(), _T("invalid font in wxMSWDCImpl::GetTextExtent") );
-
-        hfontOld = (HFONT)::SelectObject(GetHdc(), GetHfontOf(*font));
-    }
-    else // don't change the font
-    {
-        hfontOld = 0;
-    }
-
-    SIZE sizeRect;
-    const size_t len = string.length();
-    if ( !::GetTextExtentPoint32(GetHdc(), string.wx_str(), len, &sizeRect) )
-    {
-        wxLogLastError(_T("GetTextExtentPoint32()"));
-    }
-
-#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
-    // the result computed by GetTextExtentPoint32() may be too small as it
-    // accounts for under/overhang of the first/last character while we want
-    // just the bounding rect for this string so adjust the width as needed
-    // (using API not available in 2002 SDKs of WinCE)
-    if ( len > 0 )
-    {
-        ABC width;
-        const wxChar chFirst = *string.begin();
-        if ( ::GetCharABCWidths(GetHdc(), chFirst, chFirst, &width) )
-        {
-            if ( width.abcA < 0 )
-                sizeRect.cx -= width.abcA;
+    wxASSERT_MSG( !font || font->IsOk(), wxT("invalid font in wxMSWDCImpl::GetTextExtent") );
 
-            if ( len > 1 )
-            {
-                const wxChar chLast = *string.rbegin();
-                ::GetCharABCWidths(GetHdc(), chLast, chLast, &width);
-            }
-            //else: we already have the width of the last character
-
-            if ( width.abcC < 0 )
-                sizeRect.cx -= width.abcC;
-        }
-        //else: GetCharABCWidths() failed, not a TrueType font?
-    }
-#endif // !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
-
-    TEXTMETRIC tm;
-    ::GetTextMetrics(GetHdc(), &tm);
-
-    if (x)
-        *x = sizeRect.cx;
-    if (y)
-        *y = sizeRect.cy;
-    if (descent)
-        *descent = tm.tmDescent;
-    if (externalLeading)
-        *externalLeading = tm.tmExternalLeading;
-
-    if ( hfontOld )
-    {
-        ::SelectObject(GetHdc(), hfontOld);
-    }
+    wxTextMeasure txm(GetOwner(), font);
+    txm.GetTextExtent(string, x, y, descent, externalLeading);
 }
 
 
-// Each element of the array will be the width of the string up to and
-// including the coresoponding character in text.
-
 bool wxMSWDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
 {
-    static int maxLenText = -1;
-    static int maxWidth = -1;
-    int fit = 0;
-    SIZE sz = {0,0};
-    int stlen = text.length();
+    wxTextMeasure txm(GetOwner(), NULL); // don't change the font
+    return txm.GetPartialTextExtents(text, widths, 1.0);
+}
 
-    if (maxLenText == -1)
-    {
-        // Win9x and WinNT+ have different limits
-        int version = wxGetOsVersion();
-        maxLenText = version == wxOS_WINDOWS_NT ? 65535 : 8192;
-        maxWidth =   version == wxOS_WINDOWS_NT ? INT_MAX : 32767;
-    }
+namespace
+{
 
-    widths.Empty();
-    widths.Add(0, stlen);  // fill the array with zeros
-    if (stlen == 0)
-        return true;
+void ApplyEffectiveScale(double scale, int sign, int *device, int *logical)
+{
+    // To reduce rounding errors as much as possible, we try to use the largest
+    // possible extent (2^27-1) for the device space but we must also avoid
+    // overflowing the int range i.e. ensure that logical extents are less than
+    // 2^31 in magnitude. So the minimal scale we can use is 1/16 as for
+    // anything smaller VIEWPORT_EXTENT/scale would overflow the int range.
+    static const double MIN_LOGICAL_SCALE = 1./16;
 
-    if (!::GetTextExtentExPoint(GetHdc(),
-                                text.c_str(),           // string to check
-                                wxMin(stlen, maxLenText),
-                                maxWidth,
-                                &fit,                   // [out] count of chars
-                                                        // that will fit
-                                &widths[0],             // array to fill
-                                &sz))
-    {
-        // API failed
-        wxLogLastError(wxT("GetTextExtentExPoint"));
-        return false;
+    double physExtent = VIEWPORT_EXTENT;
+    if ( scale < MIN_LOGICAL_SCALE )
+    {
+        physExtent *= scale/MIN_LOGICAL_SCALE;
+        scale = MIN_LOGICAL_SCALE;
     }
 
-    return true;
+    *device = wxRound(physExtent);
+    *logical = sign*wxRound(VIEWPORT_EXTENT/scale);
 }
 
+} // anonymous namespace
+
 void wxMSWDCImpl::RealizeScaleAndOrigin()
 {
     // although it may seem wasteful to always use MM_ANISOTROPIC here instead
@@ -1915,18 +1919,25 @@ void wxMSWDCImpl::RealizeScaleAndOrigin()
 #ifndef __WXWINCE__
     ::SetMapMode(GetHdc(), MM_ANISOTROPIC);
 
-    int width = DeviceToLogicalXRel(VIEWPORT_EXTENT)*m_signX,
-        height = DeviceToLogicalYRel(VIEWPORT_EXTENT)*m_signY;
+    // wxWidgets API assumes that the coordinate space is "infinite" (i.e. only
+    // limited by 2^32 range of the integer coordinates) but in MSW API we must
+    // actually specify the extents that we use so compute them here.
 
-    ::SetViewportExtEx(GetHdc(), VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
-    ::SetWindowExtEx(GetHdc(), width, height, NULL);
+    int devExtX, devExtY,   // Viewport, i.e. device space, extents.
+        logExtX, logExtY;   // Window, i.e. logical coordinate space, extents.
+
+    ApplyEffectiveScale(m_scaleX, m_signX, &devExtX, &logExtX);
+    ApplyEffectiveScale(m_scaleY, m_signY, &devExtY, &logExtY);
+
+    ::SetViewportExtEx(GetHdc(), devExtX, devExtY, NULL);
+    ::SetWindowExtEx(GetHdc(), logExtX, logExtY, NULL);
 
     ::SetViewportOrgEx(GetHdc(), m_deviceOriginX, m_deviceOriginY, NULL);
     ::SetWindowOrgEx(GetHdc(), m_logicalOriginX, m_logicalOriginY, NULL);
 #endif
 }
 
-void wxMSWDCImpl::SetMapMode(int mode)
+void wxMSWDCImpl::SetMapMode(wxMappingMode mode)
 {
     WXMICROWIN_CHECK_HDC
 
@@ -1976,7 +1987,7 @@ void wxMSWDCImpl::SetMapMode(int mode)
                 break;
 
             default:
-                wxFAIL_MSG( _T("unknown mapping mode in SetMapMode") );
+                wxFAIL_MSG( wxT("unknown mapping mode in SetMapMode") );
         }
     }
 
@@ -2022,9 +2033,15 @@ 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)
@@ -2039,6 +2056,87 @@ void wxMSWDCImpl::SetDeviceOrigin(wxCoord x, wxCoord y)
     ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
 }
 
+// ----------------------------------------------------------------------------
+// Transform matrix
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DC_TRANSFORM_MATRIX
+
+bool wxMSWDCImpl::CanUseTransformMatrix() const
+{
+    return GdiWorldTransformFuncs::IsOk();
+}
+
+bool wxMSWDCImpl::SetTransformMatrix(const wxAffineMatrix2D &matrix)
+{
+    if ( !GdiWorldTransformFuncs::IsOk() )
+        return false;
+
+    if ( matrix.IsIdentity() )
+    {
+        ResetTransformMatrix();
+        return true;
+    }
+
+    if ( !GdiWorldTransformFuncs::SetGraphicsMode()(GetHdc(), GM_ADVANCED) )
+    {
+        wxLogLastError(wxT("SetGraphicsMode"));
+        return false;
+    }
+
+    wxMatrix2D mat;
+    wxPoint2DDouble tr;
+    matrix.Get(&mat, &tr);
+
+    XFORM xform;
+    xform.eM11 = mat.m_11;
+    xform.eM12 = mat.m_12;
+    xform.eM21 = mat.m_21;
+    xform.eM22 = mat.m_22;
+    xform.eDx = tr.m_x;
+    xform.eDy = tr.m_y;
+
+    if ( !GdiWorldTransformFuncs::SetWorldTransform()(GetHdc(), &xform) )
+    {
+        wxLogLastError(wxT("SetWorldTransform"));
+        return false;
+    }
+
+    return true;
+}
+
+wxAffineMatrix2D wxMSWDCImpl::GetTransformMatrix() const
+{
+    wxAffineMatrix2D transform;
+
+    if ( !GdiWorldTransformFuncs::IsOk() )
+        return transform;
+
+    XFORM xform;
+    if ( !GdiWorldTransformFuncs::GetWorldTransform()(GetHdc(), &xform) )
+    {
+        wxLogLastError(wxT("GetWorldTransform"));
+        return transform;
+    }
+
+    wxMatrix2D m(xform.eM11, xform.eM12, xform.eM21, xform.eM22);
+    wxPoint2DDouble p(xform.eDx, xform.eDy);
+    transform.Set(m, p);
+
+    return transform;
+}
+
+void wxMSWDCImpl::ResetTransformMatrix()
+{
+    if ( GdiWorldTransformFuncs::IsOk() )
+    {
+        GdiWorldTransformFuncs::ModifyWorldTransform()(GetHdc(), NULL, MWT_IDENTITY);
+        GdiWorldTransformFuncs::SetGraphicsMode()(GetHdc(), GM_COMPATIBLE);
+    }
+}
+
+#endif // wxUSE_DC_TRANSFORM_MATRIX
+
 // ---------------------------------------------------------------------------
 // bit blit
 // ---------------------------------------------------------------------------
@@ -2047,7 +2145,7 @@ bool wxMSWDCImpl::DoBlit(wxCoord dstX, wxCoord dstY,
                   wxCoord dstWidth, wxCoord dstHeight,
                   wxDC *source,
                   wxCoord srcX, wxCoord srcY,
-                  int rop, bool useMask,
+                  wxRasterOperationMode rop, bool useMask,
                   wxCoord srcMaskX, wxCoord srcMaskY)
 {
     return DoStretchBlit(dstX, dstY, dstWidth, dstHeight, source, srcX, srcY, dstWidth, dstHeight, rop, useMask, srcMaskX, srcMaskY);
@@ -2058,10 +2156,10 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
                          wxDC *source,
                          wxCoord xsrc, wxCoord ysrc,
                          wxCoord srcWidth, wxCoord srcHeight,
-                         int rop, bool useMask,
+                         wxRasterOperationMode rop, bool useMask,
                          wxCoord xsrcMask, wxCoord ysrcMask)
 {
-    wxCHECK_MSG( source, false, _T("wxMSWDCImpl::Blit(): NULL wxDC pointer") );
+    wxCHECK_MSG( source, false, wxT("wxMSWDCImpl::Blit(): NULL wxDC pointer") );
 
     WXMICROWIN_CHECK_HDC_RET(false)
 
@@ -2143,7 +2241,8 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
         // than the wxWidgets fall-back implementation. So we need
         // to be able to switch this on and off at runtime.
 #if wxUSE_SYSTEM_OPTIONS
-        if (wxSystemOptions::GetOptionInt(wxT("no-maskblt")) == 0)
+        static bool s_maskBltAllowed = wxSystemOptions::GetOptionInt("no-maskblt") == 0;
+        if ( s_maskBltAllowed )
 #endif
         {
             if ( dstWidth == srcWidth && dstHeight == srcHeight )
@@ -2183,8 +2282,8 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
             buffer_bmap = (HBITMAP) bitmapCacheEntry->m_bitmap;
 #else // !wxUSE_DC_CACHEING
             // create a temp buffer bitmap and DCs to access it and the mask
-            dc_mask = ::CreateCompatibleDC(hdcSrc);
-            dc_buffer = ::CreateCompatibleDC(GetHdc());
+            dc_mask = wxMSW::CreateCompatibleDCWithLayout(hdcSrc);
+            dc_buffer = wxMSW::CreateCompatibleDCWithLayout(GetHdc());
             buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), dstWidth, dstHeight);
 #endif // wxUSE_DC_CACHEING/!wxUSE_DC_CACHEING
             HGDIOBJ hOldMaskBitmap = ::SelectObject(dc_mask, (HBITMAP) mask->GetMaskBitmap());
@@ -2197,9 +2296,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
                 wxLogLastError(wxT("BitBlt"));
             }
 
-#ifndef __WXWINCE__
-            StretchBltModeChanger changeMode(dc_buffer, COLORONCOLOR);
-#endif
+            SET_STRETCH_BLT_MODE(GetHdc());
 
             // copy src to buffer using selected raster op
             if ( !::StretchBlt(dc_buffer, 0, 0, dstWidth, dstHeight,
@@ -2267,7 +2364,18 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
                              sizeof(ds),
                              &ds) == sizeof(ds) )
             {
-                StretchBltModeChanger changeMode(GetHdc(), COLORONCOLOR);
+                SET_STRETCH_BLT_MODE(GetHdc());
+
+                // Unlike all the other functions used here (i.e. AlphaBlt(),
+                // MaskBlt(), BitBlt() and StretchBlt()), StretchDIBits() does
+                // not take into account the source DC logical coordinates
+                // automatically as it doesn't even work with the source HDC.
+                // So do this manually to ensure that the coordinates are
+                // interpreted in the same way here as in all the other cases.
+                xsrc = source->LogicalToDeviceX(xsrc);
+                ysrc = source->LogicalToDeviceY(ysrc);
+                srcWidth = source->LogicalToDeviceXRel(srcWidth);
+                srcHeight = source->LogicalToDeviceYRel(srcHeight);
 
                 // Figure out what co-ordinate system we're supposed to specify
                 // ysrc in.
@@ -2275,7 +2383,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
                 if ( hDIB > 0 )
                 {
                     // reflect ysrc
-                    ysrc = hDIB - (ysrc + dstHeight);
+                    ysrc = hDIB - (ysrc + srcHeight);
                 }
 
                 if ( ::StretchDIBits(GetHdc(),
@@ -2306,9 +2414,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
 #endif
         // __WXWINCE__
         {
-#ifndef __WXWINCE__
-            StretchBltModeChanger changeMode(GetHdc(), COLORONCOLOR);
-#endif
+            SET_STRETCH_BLT_MODE(GetHdc());
 
             if ( !::StretchBlt
                     (
@@ -2319,7 +2425,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
                         dwRop
                     ) )
             {
-                wxLogLastError(_T("StretchBlt"));
+                wxLogLastError(wxT("StretchBlt"));
             }
             else
             {
@@ -2332,7 +2438,7 @@ bool wxMSWDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
             if ( !::BitBlt(GetHdc(), xdest, ydest, dstWidth, dstHeight,
                            hdcSrc, xsrc, ysrc, dwRop) )
             {
-                wxLogLastError(_T("BitBlt"));
+                wxLogLastError(wxT("BitBlt"));
             }
             else
             {
@@ -2369,7 +2475,7 @@ void wxMSWDCImpl::DoGetSizeMM(int *w, int *h) const
     {
         int wTotal = ::GetDeviceCaps(GetHdc(), HORZRES);
 
-        wxCHECK_RET( wTotal, _T("0 width device?") );
+        wxCHECK_RET( wTotal, wxT("0 width device?") );
 
         *w = (wPixels * ::GetDeviceCaps(GetHdc(), HORZSIZE)) / wTotal;
     }
@@ -2378,7 +2484,7 @@ void wxMSWDCImpl::DoGetSizeMM(int *w, int *h) const
     {
         int hTotal = ::GetDeviceCaps(GetHdc(), VERTRES);
 
-        wxCHECK_RET( hTotal, _T("0 height device?") );
+        wxCHECK_RET( hTotal, wxT("0 height device?") );
 
         *h = (hPixels * ::GetDeviceCaps(GetHdc(), VERTSIZE)) / hTotal;
     }
@@ -2394,14 +2500,6 @@ 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
 // ----------------------------------------------------------------------------
@@ -2498,7 +2596,7 @@ wxDCCacheEntry* wxMSWDCImpl::FindDCInCache(wxDCCacheEntry* notThis, WXHDC dc)
 
         node = node->GetNext();
     }
-    WXHDC hDC = (WXHDC) ::CreateCompatibleDC((HDC) dc);
+    WXHDC hDC = (WXHDC) wxMSW::CreateCompatibleDCWithLayout((HDC) dc);
     if ( !hDC)
     {
         wxLogLastError(wxT("CreateCompatibleDC"));
@@ -2550,8 +2648,8 @@ static bool AlphaBlt(HDC hdcDst,
                      HDC hdcSrc,
                      const wxBitmap& bmp)
 {
-    wxASSERT_MSG( bmp.IsOk() && bmp.HasAlpha(), _T("AlphaBlt(): invalid bitmap") );
-    wxASSERT_MSG( hdcDst && hdcSrc, _T("AlphaBlt(): invalid HDC") );
+    wxASSERT_MSG( bmp.IsOk() && bmp.HasAlpha(), wxT("AlphaBlt(): invalid bitmap") );
+    wxASSERT_MSG( hdcDst && hdcSrc, wxT("AlphaBlt(): invalid HDC") );
 
     // do we have AlphaBlend() and company in the headers?
 #if defined(AC_SRC_OVER) && wxUSE_DYNLIB_CLASS
@@ -2561,7 +2659,7 @@ static bool AlphaBlt(HDC hdcDst,
                                         BLENDFUNCTION);
 
     static AlphaBlend_t
-        pfnAlphaBlend = (AlphaBlend_t)wxMSIMG32DLL.GetSymbol(_T("AlphaBlend"));
+        pfnAlphaBlend = (AlphaBlend_t)wxMSIMG32DLL.GetSymbol(wxT("AlphaBlend"));
     if ( pfnAlphaBlend )
     {
         BLENDFUNCTION bf;
@@ -2578,7 +2676,7 @@ static bool AlphaBlt(HDC hdcDst,
             return true;
         }
 
-        wxLogLastError(_T("AlphaBlend"));
+        wxLogLastError(wxT("AlphaBlend"));
     }
 #else
     wxUnusedVar(hdcSrc);
@@ -2586,21 +2684,21 @@ 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,
@@ -2616,7 +2714,7 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
 
     if ( !::BitBlt(hdcMem, 0, 0, dstWidth, dstHeight, hdcDst, xDst, yDst, SRCCOPY) )
     {
-        wxLogLastError(_T("BitBlt"));
+        wxLogLastError(wxT("BitBlt"));
     }
 
     // combine them with the source bitmap using alpha
@@ -2624,7 +2722,7 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
                      dataSrc((wxBitmap &)bmpSrc);
 
     wxCHECK_RET( dataDst && dataSrc,
-                    _T("failed to get raw data in wxAlphaBlend") );
+                    wxT("failed to get raw data in wxAlphaBlend") );
 
     wxAlphaPixelData::Iterator pDst(dataDst),
                                pSrc(dataSrc);
@@ -2658,11 +2756,11 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
     // and finally blit them back to the destination DC
     if ( !::BitBlt(hdcDst, xDst, yDst, dstWidth, dstHeight, hdcMem, 0, 0, SRCCOPY) )
     {
-        wxLogLastError(_T("BitBlt"));
+        wxLogLastError(wxT("BitBlt"));
     }
 }
 
-#endif // #ifdef wxHAVE_RAW_BITMAP
+#endif // wxHAS_RAW_BITMAP
 
 void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect,
                                  const wxColour& initialColour,
@@ -2676,7 +2774,7 @@ void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect,
     typedef BOOL
         (WINAPI *GradientFill_t)(HDC, PTRIVERTEX, ULONG, PVOID, ULONG, ULONG);
     static GradientFill_t pfnGradientFill =
-        (GradientFill_t)wxMSIMG32DLL.GetSymbol(_T("GradientFill"));
+        (GradientFill_t)wxMSIMG32DLL.GetSymbol(wxT("GradientFill"));
 
     if ( pfnGradientFill )
     {
@@ -2721,7 +2819,7 @@ void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect,
             return;
         }
 
-        wxLogLastError(_T("GradientFill"));
+        wxLogLastError(wxT("GradientFill"));
     }
 #endif // wxUSE_DYNLIB_CLASS
 
@@ -2730,20 +2828,47 @@ void wxMSWDCImpl::DoGradientFillLinear (const wxRect& rect,
 
 #if wxUSE_DYNLIB_CLASS
 
-static DWORD wxGetDCLayout(HDC hdc)
+namespace wxMSW
+{
+
+DWORD GetLayout(HDC hdc)
 {
     typedef DWORD (WINAPI *GetLayout_t)(HDC);
     static GetLayout_t
-        wxDL_INIT_FUNC(s_pfn, GetLayout, wxDynamicLibrary(_T("gdi32.dll")));
+        wxDL_INIT_FUNC(s_pfn, GetLayout, wxDynamicLibrary(wxT("gdi32.dll")));
 
-    return s_pfnGetLayout ? s_pfnGetLayout(hdc) : (DWORD)-1;
+    return s_pfnGetLayout ? s_pfnGetLayout(hdc) : GDI_ERROR;
 }
 
+DWORD SetLayout(HDC hdc, DWORD dwLayout)
+{
+    typedef DWORD (WINAPI *SetLayout_t)(HDC, DWORD);
+    static SetLayout_t
+        wxDL_INIT_FUNC(s_pfn, SetLayout, wxDynamicLibrary(wxT("gdi32.dll")));
+
+    return s_pfnSetLayout ? s_pfnSetLayout(hdc, dwLayout) : GDI_ERROR;
+}
+
+HDC CreateCompatibleDCWithLayout(HDC hdc)
+{
+    HDC hdcNew = ::CreateCompatibleDC(hdc);
+    if ( hdcNew )
+    {
+        DWORD dwLayout = wxMSW::GetLayout(hdc);
+        if ( dwLayout != GDI_ERROR )
+            wxMSW::SetLayout(hdcNew, dwLayout);
+    }
+
+    return hdcNew;
+}
+
+} // namespace wxMSW
+
 wxLayoutDirection wxMSWDCImpl::GetLayoutDirection() const
 {
-    DWORD layout = wxGetDCLayout(GetHdc());
+    DWORD layout = wxMSW::GetLayout(GetHdc());
 
-    if ( layout == (DWORD)-1 )
+    if ( layout == GDI_ERROR )
         return wxLayout_Default;
 
     return layout & LAYOUT_RTL ? wxLayout_RightToLeft : wxLayout_LeftToRight;
@@ -2751,12 +2876,6 @@ wxLayoutDirection wxMSWDCImpl::GetLayoutDirection() const
 
 void wxMSWDCImpl::SetLayoutDirection(wxLayoutDirection dir)
 {
-    typedef DWORD (WINAPI *SetLayout_t)(HDC, DWORD);
-    static SetLayout_t
-        wxDL_INIT_FUNC(s_pfn, SetLayout, wxDynamicLibrary(_T("gdi32.dll")));
-    if ( !s_pfnSetLayout )
-        return;
-
     if ( dir == wxLayout_Default )
     {
         dir = wxTheApp->GetLayoutDirection();
@@ -2764,17 +2883,41 @@ void wxMSWDCImpl::SetLayoutDirection(wxLayoutDirection dir)
             return;
     }
 
-    DWORD layout = wxGetDCLayout(GetHdc());
+    DWORD layout = wxMSW::GetLayout(GetHdc());
+    if ( layout == GDI_ERROR )
+        return;
+
     if ( dir == wxLayout_RightToLeft )
         layout |= LAYOUT_RTL;
     else
         layout &= ~LAYOUT_RTL;
 
-    s_pfnSetLayout(GetHdc(), layout);
+    wxMSW::SetLayout(GetHdc(), layout);
 }
 
 #else // !wxUSE_DYNLIB_CLASS
 
+// Provide stubs to avoid ifdefs in the code using these functions.
+namespace wxMSW
+{
+
+DWORD GetLayout(HDC WXUNUSED(hdc))
+{
+    return GDI_ERROR;
+}
+
+DWORD SetLayout(HDC WXUNUSED(hdc), DWORD WXUNUSED(dwLayout))
+{
+    return GDI_ERROR;
+}
+
+HDC CreateCompatibleDCWithLayout(HDC hdc)
+{
+    return ::CreateCompatibleDC(hdc);
+}
+
+} // namespace wxMSW
+
 // we can't provide RTL support without dynamic loading, so stub it out
 wxLayoutDirection wxMSWDCImpl::GetLayoutDirection() const
 {