X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/95c1ea29edb833d5d0ab820f01770ddcc0181ed0..2cb4351487d67bf316c333edd667d7074c1d866b:/src/msw/dc.cpp?ds=sidebyside

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index 4529ec2d4a..357f6b40f4 100644
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -113,13 +113,17 @@ static const int MM_METRIC = 10;
    coordinates used.
  */
 
-// logical to device
-#define XLOG2DEV(x) (x)
-#define YLOG2DEV(y) (y)
-
-// device to logical
-#define XDEV2LOG(x) (x)
-#define YDEV2LOG(y) (y)
+#ifdef __WXWINCE__
+    #define XLOG2DEV(x) ((x-m_logicalOriginX)*m_signX+m_deviceOriginX)
+    #define YLOG2DEV(y) ((y-m_logicalOriginY)*m_signY+m_deviceOriginY)
+    #define XDEV2LOG(x) ((x-m_deviceOriginX)*m_signX+m_logicalOriginX)
+    #define YDEV2LOG(y) ((y-m_deviceOriginY)*m_signY+m_logicalOriginY)
+#else
+    #define XLOG2DEV(x) (x)
+    #define YLOG2DEV(y) (y)
+    #define XDEV2LOG(x) (x)
+    #define YDEV2LOG(y) (y)
+#endif
 
 // ---------------------------------------------------------------------------
 // private functions
@@ -379,6 +383,24 @@ void wxDC::UpdateClipBox()
     m_clipY2 = (wxCoord) YDEV2LOG(rect.bottom);
 }
 
+void
+wxDC::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
+{
+    // check if we should try to retrieve the clipping region possibly not set
+    // by our SetClippingRegion() but preset by Windows:this can only happen
+    // when we're associated with an existing HDC usign SetHDC(), see there
+    if ( m_clipping && !m_clipX1 && !m_clipX2 )
+    {
+        wxDC *self = wxConstCast(this, wxDC);
+        self->UpdateClipBox();
+
+        if ( !m_clipX1 && !m_clipX2 )
+            self->m_clipping = false;
+    }
+
+    wxDCBase::DoGetClippingBox(x, y, w, h);
+}
+
 // common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion()
 void wxDC::SetClippingHrgn(WXHRGN hrgn)
 {
@@ -389,7 +411,7 @@ void wxDC::SetClippingHrgn(WXHRGN hrgn)
     // note that we combine the new clipping region with the existing one: this
     // is compatible with what the other ports do and is the documented
     // behaviour now (starting with 2.3.3)
-#if defined(__WIN16__) || defined(__WXWINCE__)
+#if defined(__WXWINCE__)
     RECT rectClip;
     if ( !::GetClipBox(GetHdc(), &rectClip) )
         return;
@@ -405,14 +427,14 @@ void wxDC::SetClippingHrgn(WXHRGN hrgn)
 
     ::DeleteObject(hrgnClipOld);
     ::DeleteObject(hrgnDest);
-#else // Win32
+#else // !WinCE
     if ( ::ExtSelectClipRgn(GetHdc(), (HRGN)hrgn, RGN_AND) == ERROR )
     {
         wxLogLastError(_T("ExtSelectClipRgn"));
 
         return;
     }
-#endif // Win16/32
+#endif // WinCE/!WinCE
 
     m_clipping = true;
 
@@ -461,7 +483,7 @@ void wxDC::DestroyClippingRegion()
         ::DeleteObject(rgn);
     }
 
-    m_clipping = false;
+    wxDCBase::DestroyClippingRegion();
 }
 
 // ---------------------------------------------------------------------------
@@ -699,8 +721,8 @@ void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
 #else
     DrawFrameControl(GetHdc(), &rect, DFC_MENU, DFCS_MENUCHECK);
 #endif
-#else // Win16
-    // In WIN16, draw a cross
+#else // Symantec-MicroWin
+    // draw a cross
     HPEN blackPen = ::CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
     HPEN whiteBrush = (HPEN)::GetStockObject(WHITE_BRUSH);
     HPEN hPenOld = (HPEN)::SelectObject(GetHdc(), blackPen);
@@ -714,7 +736,7 @@ void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
     ::SelectObject(GetHdc(), hPenOld);
     ::SelectObject(GetHdc(), hBrushOld);
     ::DeleteObject(blackPen);
-#endif // Win32/16
+#endif // Win32/Symantec-MicroWin
 
     CalcBoundingBox(x1, y1);
     CalcBoundingBox(x2, y2);
@@ -1776,13 +1798,13 @@ void wxDC::SetSystemScale(double x, double y)
 {
     WXMICROWIN_CHECK_HDC
 
-#ifndef __WXWINCE__
     if ( x == m_scaleX && y == m_scaleY )
         return;
 
     m_scaleX = x;
     m_scaleY = y;
 
+#ifndef __WXWINCE__
     SetMapMode(m_mappingMode);
 #endif
 }
@@ -1791,13 +1813,13 @@ void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
 {
     WXMICROWIN_CHECK_HDC
 
-#ifndef __WXWINCE__
     if ( x == m_logicalOriginX && y == m_logicalOriginY )
         return;
 
     m_logicalOriginX = x;
     m_logicalOriginY = y;
 
+#ifndef __WXWINCE__
     ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
 #endif
 }
@@ -1806,13 +1828,13 @@ void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y)
 {
     WXMICROWIN_CHECK_HDC
 
-#ifndef __WXWINCE__
     if ( x == m_deviceOriginX && y == m_deviceOriginY )
         return;
 
     m_deviceOriginX = x;
     m_deviceOriginY = y;
 
+#ifndef __WXWINCE__
     ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
 #endif
 }
@@ -2093,7 +2115,11 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
                                      SRCCOPY
                                      ) == (int)GDI_ERROR )
                 {
-                    wxLogLastError(wxT("StretchDIBits"));
+                    // On Win9x this API fails most (all?) of the time, so
+                    // logging it becomes quite distracting.  Since it falls
+                    // back to the code below this is not really serious, so
+                    // don't log it.                     
+                    //wxLogLastError(wxT("StretchDIBits"));
                 }
                 else
                 {