Handle the case of NSNotFound result properly.

[wxWidgets.git] / src / os2 / dcmemory.cpp

diff --git a/src/os2/dcmemory.cpp b/src/os2/dcmemory.cpp
index 95c5e30a56cb63157adeb0004ae4bb96ea5ba544..ccddc30e764f05dad55926ad0661490b97acf332 100644 (file)
--- a/src/os2/dcmemory.cpp
+++ b/src/os2/dcmemory.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcmemory.cpp
+// Name:        src/os2/dcmemory.cpp
 // Purpose:     wxMemoryDC class
 // Author:      David Webster
 // Modified by:
@@ -12,39 +12,48 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#include "wx/dcmemory.h"
+#include "wx/os2/dcmemory.h"
+
 #ifndef WX_PRECOMP
-#include "wx/utils.h"
-#include "wx/app.h"
-#include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/app.h"
+    #include "wx/log.h"
 #endif
 
 #include "wx/os2/private.h"
 
-#include "wx/dcmemory.h"
-
-IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxDC)
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxPMDCImpl)
 
 /////////////////////////////////////////////////////////////////////////////
 // Memory DC
 /////////////////////////////////////////////////////////////////////////////
 
-wxMemoryDC::wxMemoryDC(void)
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner )
+        : wxPMDCImpl( owner )
 {
     CreateCompatible(NULL);
     Init();
-} // end of wxMemoryDC::wxMemoryDC
+}
 
-wxMemoryDC::wxMemoryDC(
-  wxDC*                             pOldDC
-)
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap )
+        : wxPMDCImpl( owner )
+{
+    CreateCompatible(NULL);
+    Init();
+    DoSelect(bitmap);
+}
+
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxDC *pOldDC)
+        : wxPMDCImpl( owner )
 {
-    pOldDC->BeginDrawing();
+    wxCHECK_RET( pOldDC, wxT("NULL dc in wxMemoryDC ctor") );
+
     CreateCompatible(pOldDC);
-    pOldDC->EndDrawing();
     Init();
 } // end of wxMemoryDC::wxMemoryDC
 
-void wxMemoryDC::Init()
+void wxMemoryDCImpl::Init()
 {
     if (m_ok)
     {
@@ -58,14 +67,12 @@ void wxMemoryDC::Init()
     memset(&m_vRclPaint, 0, sizeof(m_vRclPaint));
 } // end of wxMemoryDC::Init
 
-bool wxMemoryDC::CreateCompatible(
-  wxDC*                             pDC
-)
+bool wxMemoryDCImpl::CreateCompatible( wxDC* WXUNUSED(pDC) )
 {
-    HDC                             hDC;
-    HPS                             hPS;
-    DEVOPENSTRUC                    vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
-    SIZEL                           vSize = {0, 0};
+    HDC           hDC;
+    HPS           hPS;
+    DEVOPENSTRUC  vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+    SIZEL         vSize = {0, 0};
 
     //
     // Create a memory device context
@@ -78,8 +85,8 @@ bool wxMemoryDC::CreateCompatible(
         {
             m_hPS = hPS;
             m_hDC = hDC;
-            m_ok = TRUE;
-            m_bOwnsDC = TRUE;
+            m_ok = true;
+            m_bOwnsDC = true;
             //
             // Set the wxWidgets color table
             //
@@ -102,27 +109,27 @@ bool wxMemoryDC::CreateCompatible(
         {
             m_hPS = NULLHANDLE;
             m_hDC = NULLHANDLE;
-            m_ok  = FALSE;
-            m_bOwnsDC = FALSE;
+            m_ok  = false;
+            m_bOwnsDC = false;
         }
     }
     else
     {
         m_hPS = NULLHANDLE;
         m_hDC = NULLHANDLE;
-        m_ok  = FALSE;
-        m_bOwnsDC = FALSE;
+        m_ok  = false;
+        m_bOwnsDC = false;
     }
 
     //
     // As we created the DC, we must delete it in the dtor
     //
-    m_bOwnsDC = TRUE;
+    m_bOwnsDC = true;
     m_ok = m_hDC != 0;
     return m_ok;
 } // end of wxMemoryDC::CreateCompatible
 
-void wxMemoryDC::SelectObject(
+void wxMemoryDCImpl::DoSelect(
   const wxBitmap&                   rBitmap
 )
 {
@@ -143,7 +150,7 @@ void wxMemoryDC::SelectObject(
     // Check for whether the bitmap is already selected into a device context
     //
     wxCHECK_RET( !rBitmap.GetSelectedInto() ||
-                 (rBitmap.GetSelectedInto() == this),
+                 (rBitmap.GetSelectedInto() == GetOwner()),
                  wxT("Bitmap is selected in another wxMemoryDC, delete the first wxMemoryDC or use SelectObject(NULL)") );
 
     WXHBITMAP                       hBmp = rBitmap.GetHBITMAP();
@@ -169,6 +176,7 @@ void wxMemoryDC::SelectObject(
                    );
         m_vSelectedBitmap.SetSelectedInto(NULL);
     }
+
     m_vSelectedBitmap = rBitmap;
 
 
@@ -178,7 +186,7 @@ void wxMemoryDC::SelectObject(
         m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, NULLHANDLE);
         return;
     }
-    m_vSelectedBitmap.SetSelectedInto(this);
+    m_vSelectedBitmap.SetSelectedInto(GetOwner());
     m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp);
 
     if (m_hOldBitmap == HBM_ERROR)
@@ -188,7 +196,7 @@ void wxMemoryDC::SelectObject(
     }
 } // end of wxMemoryDC::SelectObject
 
-void wxMemoryDC::DoGetSize(
+void wxMemoryDCImpl::DoGetSize(
   int*                              pWidth
 , int*                              pHeight
 ) const
@@ -202,4 +210,3 @@ void wxMemoryDC::DoGetSize(
     *pWidth = m_vSelectedBitmap.GetWidth();
     *pHeight = m_vSelectedBitmap.GetHeight();
 } // end of wxMemoryDC::DoGetSize
-