]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/dcmemory.cpp
correct bug with using uninitialized end variable (unused variable warnings are not...
[wxWidgets.git] / src / os2 / dcmemory.cpp
index 71f06468ae3d07fd89a87b3df72248fd35fec295..d4d5ec937cb7321b0db4d1a9d577543ea486c539 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcmemory.cpp
+// Name:        src/os2/dcmemory.cpp
 // Purpose:     wxMemoryDC class
 // Author:      David Webster
 // Modified by:
 // 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
-)
+    CreateCompatible(NULL); 
+    Init(); 
+}
+
+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, _T("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
@@ -78,10 +85,10 @@ bool wxMemoryDC::CreateCompatible(
         {
             m_hPS = hPS;
             m_hDC = hDC;
-            m_ok = TRUE;
-            m_bOwnsDC = TRUE;
+            m_ok = true;
+            m_bOwnsDC = true;
             //
-            // Set the wxWindows color table
+            // Set the wxWidgets color table
             //
             ::GpiCreateLogColorTable( m_hPS
                                      ,0L
@@ -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
 )
 {
@@ -143,31 +150,53 @@ 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();
+
+    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 = rBitmap.GetHBITMAP();
 
     if (!hBmp)
-        return;
+    {
 
-    m_vSelectedBitmap.SetSelectedInto(this);
-    hBmp = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp);
+        m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, NULLHANDLE);
+        return;
+    }
+    m_vSelectedBitmap.SetSelectedInto(GetOwner());
+    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(
+void wxMemoryDCImpl::DoGetSize(
   int*                              pWidth
 , int*                              pHeight
 ) const
@@ -181,169 +210,3 @@ void wxMemoryDC::DoGetSize(
     *pWidth = m_vSelectedBitmap.GetWidth();
     *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);
-
-    //
-    // Debug testing:
-    //
-    if (m_vSelectedBitmap.GetHBITMAP() != NULLHANDLE)
-    {
-        BITMAPINFOHEADER2           vHeader;
-        BITMAPINFO2                 vInfo;
-
-        vHeader.cbFix = 16L;
-        if (::GpiQueryBitmapInfoHeader(m_vSelectedBitmap.GetHBITMAP(), &vHeader))
-        {
-            unsigned char*          pucData = NULL;
-            unsigned char*          pucBits;
-            int                     nBytesPerLine = m_vSelectedBitmap.GetWidth() * 3;
-            LONG                    lScans = 0L;
-            POINTL                  vPoint;
-            LONG                    lColor;
-            LONG                    alFormats[24]; // Max formats OS/2 PM supports
-            ULONG                   ulBitcount;
-
-            ::GpiQueryDeviceBitmapFormats(m_hPS, 24, alFormats);
-            ulBitcount = alFormats[1]; // the best one for the device
-            if (ulBitcount > 24)
-                ulBitcount = 24;  // MAX bits supported by PM
-            vInfo.cbFix     = 16;
-            vInfo.cx        = vHeader.cx;
-            vInfo.cy        = vHeader.cy;
-            vInfo.cPlanes   = vHeader.cPlanes;
-            vInfo.cBitCount = ulBitcount;
-            pucData = (unsigned char*)malloc(nBytesPerLine * m_vSelectedBitmap.GetHeight());
-            if ((lScans = ::GpiQueryBitmapBits( m_hPS
-                                               ,0L
-                                               ,(LONG)m_vSelectedBitmap.GetHeight()
-                                               ,(PBYTE)pucData
-                                               ,&vInfo
-                                              )) == GPI_ALTERROR)
-            {
-                ERRORID                     vError;
-                wxString                    sError;
-
-                vError = ::WinGetLastError(vHabmain);
-                sError = wxPMErrorToStr(vError);
-            }
-            pucBits = pucData;
-            for (int i = 0; i < m_vSelectedBitmap.GetHeight(); i++)
-            {
-                for (int j = 0; j < m_vSelectedBitmap.GetWidth(); j++)
-                {
-                    vPoint.x = j; vPoint.y = i;
-                    lColor = ::GpiQueryPel(m_hPS, &vPoint);
-                    *(pucBits++) = (unsigned char)lColor;
-                    *(pucBits++) = (unsigned char)(lColor >> 8);
-                    *(pucBits++) = (unsigned char)(lColor >> 16);
-                }
-            }
-            if ((lScans = ::GpiSetBitmapBits( m_hPS
-                                             ,0
-                                             ,(LONG)m_vSelectedBitmap.GetHeight()
-                                             ,(PBYTE)pucData
-                                             ,&vInfo
-                                            )) == GPI_ALTERROR)
-            {
-                ERRORID             vError;
-                wxString            sError;
-
-                vError = ::WinGetLastError(vHabmain);
-                sError = wxPMErrorToStr(vError);
-            }
-            free(pucData);
-        }
-    }
-} // end of wxMemoryDC::DoDrawRectangle
-
-void wxMemoryDC::DoDrawRoundedRectangle(
-  wxCoord                           vX
-, wxCoord                           vY
-, wxCoord                           vWidth
-, wxCoord                           vHeight
-, double                            dRadius
-)
-{
-    wxDC::DoDrawRoundedRectangle(vX, vY, vWidth, vHeight, dRadius);
-
-    //
-    // Debug testing:
-    //
-    if (m_vSelectedBitmap.GetHBITMAP() != NULLHANDLE)
-    {
-        BITMAPINFOHEADER2           vHeader;
-        BITMAPINFO2                 vInfo;
-
-        vHeader.cbFix = 16L;
-        if (::GpiQueryBitmapInfoHeader(m_vSelectedBitmap.GetHBITMAP(), &vHeader))
-        {
-            unsigned char*          pucData = NULL;
-            unsigned char*          pucBits;
-            int                     nBytesPerLine = m_vSelectedBitmap.GetWidth() * 3;
-            LONG                    lScans = 0L;
-            POINTL                  vPoint;
-            LONG                    lColor;
-            LONG                    alFormats[24]; // Max formats OS/2 PM supports
-            ULONG                   ulBitcount;
-
-            ::GpiQueryDeviceBitmapFormats(m_hPS, 24, alFormats);
-            ulBitcount = alFormats[1]; // the best one for the device
-            if (ulBitcount > 24)
-                ulBitcount = 24;  // MAX bits supported by PM
-            vInfo.cbFix     = 16;
-            vInfo.cx        = vHeader.cx;
-            vInfo.cy        = vHeader.cy;
-            vInfo.cPlanes   = vHeader.cPlanes;
-            vInfo.cBitCount = ulBitcount;
-            pucData = (unsigned char*)malloc(nBytesPerLine * m_vSelectedBitmap.GetHeight());
-            if ((lScans = ::GpiQueryBitmapBits( m_hPS
-                                               ,0L
-                                               ,(LONG)m_vSelectedBitmap.GetHeight()
-                                               ,(PBYTE)pucData
-                                               ,&vInfo
-                                              )) == GPI_ALTERROR)
-            {
-                ERRORID                     vError;
-                wxString                    sError;
-
-                vError = ::WinGetLastError(vHabmain);
-                sError = wxPMErrorToStr(vError);
-            }
-            pucBits = pucData;
-            for (int i = 0; i < m_vSelectedBitmap.GetHeight(); i++)
-            {
-                for (int j = 0; j < m_vSelectedBitmap.GetWidth(); j++)
-                {
-                    vPoint.x = j; vPoint.y = i;
-                    lColor = ::GpiQueryPel(m_hPS, &vPoint);
-                    *(pucBits++) = (unsigned char)lColor;
-                    *(pucBits++) = (unsigned char)(lColor >> 8);
-                    *(pucBits++) = (unsigned char)(lColor >> 16);
-                }
-            }
-            if ((lScans = ::GpiSetBitmapBits( m_hPS
-                                             ,0
-                                             ,(LONG)m_vSelectedBitmap.GetHeight()
-                                             ,(PBYTE)pucData
-                                             ,&vInfo
-                                            )) == GPI_ALTERROR)
-            {
-                ERRORID             vError;
-                wxString            sError;
-
-                vError = ::WinGetLastError(vHabmain);
-                sError = wxPMErrorToStr(vError);
-            }
-            free(pucData);
-        }
-    }
-} // end of wxMemoryDC::DoDrawRectangle
-