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don't generate an endless stream of asserts for the 0-sized images
[wxWidgets.git] / src / os2 / dcmemory.cpp
diff --git a/src/os2/dcmemory.cpp b/src/os2/dcmemory.cpp
index d9d6a2201f54d3ff1f62d9b7ccac21222e5b25aa..71f06468ae3d07fd89a87b3df72248fd35fec295 100644 (file)
--- a/src/os2/dcmemory.cpp
+++ b/src/os2/dcmemory.cpp
@@ -14,6 +14,8 @@
 
 #ifndef WX_PRECOMP
 #include "wx/utils.h"
 
 #ifndef WX_PRECOMP
 #include "wx/utils.h"
+#include "wx/app.h"
+#include "wx/log.h"
 #endif
 
 #include "wx/os2/private.h"
 #endif
 
 #include "wx/os2/private.h"
@@ -28,59 +30,47 @@ IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxDC)
 
 wxMemoryDC::wxMemoryDC(void)
 {
 
 wxMemoryDC::wxMemoryDC(void)
 {
-    HDC                             hDC;
-    HPS                             hPS;
-    DEVOPENSTRUC                    vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
-    SIZEL                           vSize = {0, 0};
-
-    //
-    // Create a memory device context
-    //
-    hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
-    if (hDC != DEV_ERROR)
-    {
-        hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
-        if (hPS != GPI_ERROR)
-        {
-            m_hPS = hPS;
-            m_hDC = hDC;
-            m_ok = TRUE;
-            m_bOwnsDC = TRUE;
-            SetBrush(*wxWHITE_BRUSH);
-            SetPen(*wxBLACK_PEN);
-        }
-        else
-        {
-            m_hPS = NULLHANDLE;
-            m_hDC = NULLHANDLE;
-            m_ok  = FALSE;
-            m_bOwnsDC = FALSE;
-        }
-    }
-    else
-    {
-        m_hPS = NULLHANDLE;
-        m_hDC = NULLHANDLE;
-        m_ok  = FALSE;
-        m_bOwnsDC = FALSE;
-    }
+    CreateCompatible(NULL);
+    Init();
 } // end of wxMemoryDC::wxMemoryDC
 
 wxMemoryDC::wxMemoryDC(
   wxDC*                             pOldDC
 )
 } // end of wxMemoryDC::wxMemoryDC
 
 wxMemoryDC::wxMemoryDC(
   wxDC*                             pOldDC
 )
+{
+    pOldDC->BeginDrawing();
+    CreateCompatible(pOldDC);
+    pOldDC->EndDrawing();
+    Init();
+} // end of wxMemoryDC::wxMemoryDC
+
+void wxMemoryDC::Init()
+{
+    if (m_ok)
+    {
+        SetBrush(*wxWHITE_BRUSH);
+        SetPen(*wxBLACK_PEN);
+
+        // the background mode is only used for text background and is set in
+        // 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(
+  wxDC*                             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};
 
-    pOldDC->BeginDrawing();
-
     //
     // Create a memory device context
     //
     //
     // Create a memory device context
     //
-    hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, GetHdcOf(*pOldDC));
+    hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
     if (hDC != DEV_ERROR)
     {
         hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
     if (hDC != DEV_ERROR)
     {
         hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
@@ -90,13 +80,26 @@ wxMemoryDC::wxMemoryDC(
             m_hDC = hDC;
             m_ok = TRUE;
             m_bOwnsDC = TRUE;
             m_hDC = hDC;
             m_ok = TRUE;
             m_bOwnsDC = TRUE;
-            pOldDC->EndDrawing();
-            SetBrush(*wxWHITE_BRUSH);
-            SetPen(*wxBLACK_PEN);
+            //
+            // Set the wxWindows color table
+            //
+            ::GpiCreateLogColorTable( m_hPS
+                                     ,0L
+                                     ,LCOLF_CONSECRGB
+                                     ,0L
+                                     ,(LONG)wxTheColourDatabase->m_nSize
+                                     ,(PLONG)wxTheColourDatabase->m_palTable
+                                    );
+            ::GpiCreateLogColorTable( m_hPS
+                                     ,0L
+                                     ,LCOLF_RGB
+                                     ,0L
+                                     ,0L
+                                     ,NULL
+                                    );
         }
         else
         {
         }
         else
         {
-            pOldDC->EndDrawing();
             m_hPS = NULLHANDLE;
             m_hDC = NULLHANDLE;
             m_ok  = FALSE;
             m_hPS = NULLHANDLE;
             m_hDC = NULLHANDLE;
             m_ok  = FALSE;
@@ -105,21 +108,19 @@ wxMemoryDC::wxMemoryDC(
     }
     else
     {
     }
     else
     {
-        pOldDC->EndDrawing();
         m_hPS = NULLHANDLE;
         m_hDC = NULLHANDLE;
         m_ok  = FALSE;
         m_bOwnsDC = FALSE;
     }
         m_hPS = NULLHANDLE;
         m_hDC = NULLHANDLE;
         m_ok  = FALSE;
         m_bOwnsDC = FALSE;
     }
-} // end of wxMemoryDC::wxMemoryDC
 
 
-wxMemoryDC::~wxMemoryDC()
-{
-    if (m_hPS != NULLHANDLE)
-        ::GpiDestroyPS(m_hPS);
-    if (m_hDC != NULLHANDLE)
-        ::DevCloseDC(m_hDC);
-} // end of wxMemoryDC::~wxMemoryDC
+    //
+    // As we created the DC, we must delete it in the dtor
+    //
+    m_bOwnsDC = TRUE;
+    m_ok = m_hDC != 0;
+    return m_ok;
+} // end of wxMemoryDC::CreateCompatible
 
 void wxMemoryDC::SelectObject(
   const wxBitmap&                   rBitmap
 
 void wxMemoryDC::SelectObject(
   const wxBitmap&                   rBitmap
@@ -147,7 +148,7 @@ void wxMemoryDC::SelectObject(
 
     m_vSelectedBitmap = rBitmap;
 
 
     m_vSelectedBitmap = rBitmap;
 
-    WXHBITMAP                       hBmp = m_vSelectedBitmap.GetHBITMAP();
+    WXHBITMAP                       hBmp = rBitmap.GetHBITMAP();
 
     if (!hBmp)
         return;
 
     if (!hBmp)
         return;
@@ -155,7 +156,7 @@ void wxMemoryDC::SelectObject(
     m_vSelectedBitmap.SetSelectedInto(this);
     hBmp = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp);
 
     m_vSelectedBitmap.SetSelectedInto(this);
     hBmp = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp);
 
-    if (hBmp != HBM_ERROR)
+    if (hBmp == HBM_ERROR)
     {
         wxLogLastError(wxT("SelectObject(memDC, bitmap)"));
         wxFAIL_MSG(wxT("Couldn't select a bitmap into wxMemoryDC"));
     {
         wxLogLastError(wxT("SelectObject(memDC, bitmap)"));
         wxFAIL_MSG(wxT("Couldn't select a bitmap into wxMemoryDC"));
@@ -181,4 +182,168 @@ void wxMemoryDC::DoGetSize(
     *pHeight = m_vSelectedBitmap.GetHeight();
 } // end of 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);
+
+    //
+    // 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
 
 
wxWidgets (Impactor)