X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3417f6618c41a6b8a7adc29ad5a12ca8c0dad248..83842a0ba326b22c6b930998a7f817e83ff7f7be:/src/os2/dcmemory.cpp?ds=sidebyside

diff --git a/src/os2/dcmemory.cpp b/src/os2/dcmemory.cpp
index a6af12eb90..5e2ed33694 100644
--- a/src/os2/dcmemory.cpp
+++ b/src/os2/dcmemory.cpp
@@ -55,6 +55,7 @@ void wxMemoryDC::Init()
         // DrawText() to OPAQUE as required, otherwise always TRANSPARENT
         ::GpiSetBackMix( GetHPS(), BM_LEAVEALONE );
     }
+    memset(&m_vRclPaint, 0, sizeof(m_vRclPaint));
 } // end of wxMemoryDC::Init
 
 bool wxMemoryDC::CreateCompatible(
@@ -145,25 +146,45 @@ void wxMemoryDC::SelectObject(
                  (rBitmap.GetSelectedInto() == this),
                  wxT("Bitmap is selected in another wxMemoryDC, delete the first wxMemoryDC or use SelectObject(NULL)") );
 
+    WXHBITMAP                       hBmp = rBitmap.GetHBITMAP();
+
+    if (!hBmp)
+    {
+        //
+        // Bmps drawn to are upside down, so flip it before committing
+        //
+        POINTL                      vPoint[4] = { 0, m_vSelectedBitmap.GetHeight(),
+                                                  m_vSelectedBitmap.GetWidth(), 0,
+                                                  0, 0, m_vSelectedBitmap.GetWidth(), m_vSelectedBitmap.GetHeight()
+                                                };
+
+
+        ::GpiBitBlt( m_hPS
+                    ,m_hPS
+                    ,4
+                    ,vPoint
+                    ,ROP_SRCCOPY
+                    ,BBO_IGNORE
+                   );
+        m_vSelectedBitmap.SetSelectedInto(NULL);
+    }
     m_vSelectedBitmap = rBitmap;
 
-    WXHBITMAP                       hBmp = m_vSelectedBitmap.GetHBITMAP();
 
     if (!hBmp)
-        return;
+    {
 
+        m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, NULLHANDLE);
+        return;
+    }
     m_vSelectedBitmap.SetSelectedInto(this);
-    hBmp = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp);
+    m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp);
 
-    if (hBmp == HBM_ERROR)
+    if (m_hOldBitmap == HBM_ERROR)
     {
         wxLogLastError(wxT("SelectObject(memDC, bitmap)"));
         wxFAIL_MSG(wxT("Couldn't select a bitmap into wxMemoryDC"));
     }
-    else if (!m_hOldBitmap)
-    {
-        m_hOldBitmap = hBmp;
-    }
 } // end of wxMemoryDC::SelectObject
 
 void wxMemoryDC::DoGetSize(
@@ -181,12 +202,3 @@ void wxMemoryDC::DoGetSize(
     *pHeight = m_vSelectedBitmap.GetHeight();
 } // end of wxMemoryDC::DoGetSize
 
-void wxMemoryDC::DoDrawRectangle(
-  wxCoord                           vX
-, wxCoord                           vY
-, wxCoord                           vWidth
-, wxCoord                           vHeight
-)
-{
-    wxDC::DoDrawRectangle(vX, vY, vWidth, vHeight);
-} // end of wxMemoryDC::DoDrawRectangle