warning fix - only use the function in debug mode

[wxWidgets.git] / src / msw / gdiimage.cpp

diff --git a/src/msw/gdiimage.cpp b/src/msw/gdiimage.cpp
index 7fb451d303b26555de5ac60f9c9940d724b46f26..cba81891160a319f02caeacba742e46ec378df8f 100644 (file)
--- a/src/msw/gdiimage.cpp
+++ b/src/msw/gdiimage.cpp
@@ -6,7 +6,7 @@
 // Created:     20.11.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     20.11.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "gdiimage.h"
 #endif
 
     #pragma implementation "gdiimage.h"
 #endif
 


@@ -37,21 +37,31 @@
 
 #include "wx/app.h"
 
 
 #include "wx/app.h"
 

-#ifndef __WXMICROWIN__
+#include "wx/bitmap.h"
+#include "wx/msw/gdiimage.h"
+
+#if wxUSE_WXDIB

 #include "wx/msw/dib.h"
 #endif
 
 #include "wx/msw/dib.h"
 #endif
 

-#include "wx/msw/bitmap.h"
-#include "wx/msw/gdiimage.h"
-#include "wx/bitmap.h"
+#ifdef __WXWINCE__
+#include <winreg.h>
+#include <shellapi.h>
+#endif
+
+#include "wx/file.h"

 
 #include "wx/listimpl.cpp"
 WX_DEFINE_LIST(wxGDIImageHandlerList);
 
 
 #include "wx/listimpl.cpp"
 WX_DEFINE_LIST(wxGDIImageHandlerList);
 

+// ----------------------------------------------------------------------------
+// auxiliary functions
+// ----------------------------------------------------------------------------

 
 

-#ifdef __WIN16__
-#   include "wx/msw/curico.h"
-#endif // __WIN16__
+#ifdef __WXWINCE__
+// Used in wxBMPFileHandler::LoadFile
+HBITMAP wxLoadBMP(const wxString& filename) ;
+#endif

 
 // ----------------------------------------------------------------------------
 // private classes
 
 // ----------------------------------------------------------------------------
 // private classes


@@ -245,7 +255,7 @@ bool wxGDIImage::RemoveHandler(const wxString& name)
 
 wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& name)
 {
 
 wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& name)
 {

-    wxGDIImageHandlerList::Node *node = ms_handlers.GetFirst();
+    wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst();

     while ( node )
     {
         wxGDIImageHandler *handler = node->GetData();
     while ( node )
     {
         wxGDIImageHandler *handler = node->GetData();


@@ -260,7 +270,7 @@ wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& name)
 wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& extension,
                                            long type)
 {
 wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& extension,
                                            long type)
 {

-    wxGDIImageHandlerList::Node *node = ms_handlers.GetFirst();
+    wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst();

     while ( node )
     {
         wxGDIImageHandler *handler = node->GetData();
     while ( node )
     {
         wxGDIImageHandler *handler = node->GetData();


@@ -277,7 +287,7 @@ wxGDIImageHandler *wxGDIImage::FindHandler(const wxString& extension,
 
 wxGDIImageHandler *wxGDIImage::FindHandler(long type)
 {
 
 wxGDIImageHandler *wxGDIImage::FindHandler(long type)
 {

-    wxGDIImageHandlerList::Node *node = ms_handlers.GetFirst();
+    wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst();

     while ( node )
     {
         wxGDIImageHandler *handler = node->GetData();
     while ( node )
     {
         wxGDIImageHandler *handler = node->GetData();


@@ -292,13 +302,13 @@ wxGDIImageHandler *wxGDIImage::FindHandler(long type)
 
 void wxGDIImage::CleanUpHandlers()
 {
 
 void wxGDIImage::CleanUpHandlers()
 {

-    wxGDIImageHandlerList::Node *node = ms_handlers.GetFirst();
+    wxGDIImageHandlerList::compatibility_iterator node = ms_handlers.GetFirst();

     while ( node )
     {
         wxGDIImageHandler *handler = node->GetData();
     while ( node )
     {
         wxGDIImageHandler *handler = node->GetData();

-        wxGDIImageHandlerList::Node *next = node->GetNext();
+        wxGDIImageHandlerList::compatibility_iterator next = node->GetNext();

         delete handler;
         delete handler;

-        delete node;
+        ms_handlers.Erase( node );

         node = next;
     }
 }
         node = next;
     }
 }


@@ -346,6 +356,9 @@ bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap,
     bitmap->SetHeight(bm.bmHeight);
     bitmap->SetDepth(bm.bmBitsPixel);
 
     bitmap->SetHeight(bm.bmHeight);
     bitmap->SetDepth(bm.bmBitsPixel);
 

+    // use 0xc0c0c0 as transparent colour by default
+    bitmap->SetMask(new wxMask(*bitmap, *wxLIGHT_GREY));
+

     return true;
 }
 
     return true;
 }
 


@@ -354,22 +367,19 @@ bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap,
                                 int WXUNUSED(desiredWidth),
                                 int WXUNUSED(desiredHeight))
 {
                                 int WXUNUSED(desiredWidth),
                                 int WXUNUSED(desiredHeight))
 {

-#if wxUSE_IMAGE_LOADING_IN_MSW
-    wxPalette *palette = NULL;
-    bool success = wxLoadIntoBitmap(WXSTRINGCAST name, bitmap, &palette) != 0;
-
-#if wxUSE_PALETTE
-    if ( success && palette )
-    {
-        bitmap->SetPalette(*palette);
-    }
+#if wxUSE_WXDIB
+    wxCHECK_MSG( bitmap, false, _T("NULL bitmap in LoadFile") );

 
 

-    // it was copied by the bitmap if it was loaded successfully
-    delete palette;
-#endif // wxUSE_PALETTE
+    wxDIB dib(name);

 
 

-    return success;
+    bool ok = dib.IsOk() && bitmap->CopyFromDIB(dib);
+    return ok;

 #else
 #else

+  WXHBITMAP hBitmap = (WXHBITMAP)wxLoadBMP(name);
+  if(hBitmap) {
+      bitmap->SetHBITMAP(hBitmap);
+      return true;
+  }

     return false;
 #endif
 }
     return false;
 #endif
 }


@@ -377,19 +387,14 @@ bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap,
 bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap,
                                 const wxString& name,
                                 int WXUNUSED(type),
 bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap,
                                 const wxString& name,
                                 int WXUNUSED(type),

-                                const wxPalette *pal)
+                                const wxPalette * WXUNUSED(pal))

 {
 {

-#if wxUSE_IMAGE_LOADING_IN_MSW
+#if wxUSE_WXDIB
+    wxCHECK_MSG( bitmap, false, _T("NULL bitmap in SaveFile") );

 
 

-#if wxUSE_PALETTE
-    wxPalette *actualPalette = (wxPalette *)pal;
-    if ( !actualPalette )
-        actualPalette = bitmap->GetPalette();
-#else
-    wxPalette *actualPalette = NULL;
-#endif // wxUSE_PALETTE
+    wxDIB dib(*bitmap);

 
 

-    return wxSaveBitmap(WXSTRINGCAST name, bitmap, actualPalette) != 0;
+    return dib.Save(name);

 #else
     return false;
 #endif
 #else
     return false;
 #endif


@@ -404,13 +409,11 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
                                 long WXUNUSED(flags),
                                 int desiredWidth, int desiredHeight)
 {
                                 long WXUNUSED(flags),
                                 int desiredWidth, int desiredHeight)
 {

-#if wxUSE_RESOURCE_LOADING_IN_MSW

     icon->UnRef();
 
     // actual size
     wxSize size;
 
     icon->UnRef();
 
     // actual size
     wxSize size;
 

-#ifdef __WIN32__

     HICON hicon = NULL;
 
     // Parse the filename: it may be of the form "filename;n" in order to
     HICON hicon = NULL;
 
     // Parse the filename: it may be of the form "filename;n" in order to


@@ -448,7 +451,7 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
     }
     else
 #endif
     }
     else
 #endif

-    // were we asked for a large icon?
+        // were we asked for a large icon?

     if ( desiredWidth == ::GetSystemMetrics(SM_CXICON) &&
          desiredHeight == ::GetSystemMetrics(SM_CYICON) )
     {
     if ( desiredWidth == ::GetSystemMetrics(SM_CXICON) &&
          desiredHeight == ::GetSystemMetrics(SM_CYICON) )
     {


@@ -475,11 +478,13 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
     }
     //else: not standard size, load below
 
     }
     //else: not standard size, load below
 

+#ifndef __WXWINCE__

     if ( !hicon )
     {
         // take any size icon from the file by index
         hicon = ::ExtractIcon(wxGetInstance(), nameReal, iconIndex);
     }
     if ( !hicon )
     {
         // take any size icon from the file by index
         hicon = ::ExtractIcon(wxGetInstance(), nameReal, iconIndex);
     }

+#endif

 
     if ( !hicon )
     {
 
     if ( !hicon )
     {


@@ -490,11 +495,6 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
     }
 
     size = wxGetHiconSize(hicon);
     }
 
     size = wxGetHiconSize(hicon);

-#else // Win16
-    HICON hicon = ReadIconFile((wxChar *)name.c_str(),
-                               wxGetInstance(),
-                               &size.x, &size.y);
-#endif // Win32/Win16

 
     if ( (desiredWidth != -1 && desiredWidth != size.x) ||
          (desiredHeight != -1 && desiredHeight != size.y) )
 
     if ( (desiredWidth != -1 && desiredWidth != size.x) ||
          (desiredHeight != -1 && desiredHeight != size.y) )


@@ -513,9 +513,6 @@ bool wxICOFileHandler::LoadIcon(wxIcon *icon,
     icon->SetSize(size.x, size.y);
 
     return icon->Ok();
     icon->SetSize(size.x, size.y);
 
     return icon->Ok();

-#else
-    return false;
-#endif

 }
 
 bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
 }
 
 bool wxICOResourceHandler::LoadIcon(wxIcon *icon,


@@ -537,7 +534,6 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
 
     // note that we can't just always call LoadImage() because it seems to do
     // some icon rescaling internally which results in very ugly 16x16 icons
 
     // note that we can't just always call LoadImage() because it seems to do
     // some icon rescaling internally which results in very ugly 16x16 icons

-#if defined(__WIN32__) && !defined(__SC__)

     if ( hasSize )
     {
         hicon = (HICON)::LoadImage(wxGetInstance(), name, IMAGE_ICON,
     if ( hasSize )
     {
         hicon = (HICON)::LoadImage(wxGetInstance(), name, IMAGE_ICON,


@@ -545,12 +541,12 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
                                     LR_DEFAULTCOLOR);
     }
     else
                                     LR_DEFAULTCOLOR);
     }
     else

-#endif // Win32/!Win32

     {
         hicon = ::LoadIcon(wxGetInstance(), name);
     }
 
     // next check if it's not a standard icon
     {
         hicon = ::LoadIcon(wxGetInstance(), name);
     }
 
     // next check if it's not a standard icon

+#ifndef __WXWINCE__

     if ( !hicon && !hasSize )
     {
         static const struct
     if ( !hicon && !hasSize )
     {
         static const struct


@@ -573,6 +569,7 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
             }
         }
     }
             }
         }
     }

+#endif

 
     wxSize size = wxGetHiconSize(hicon);
     icon->SetSize(size.x, size.y);
 
     wxSize size = wxGetHiconSize(hicon);
     icon->SetSize(size.x, size.y);


@@ -588,10 +585,11 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
 
 wxSize wxGetHiconSize(HICON hicon)
 {
 
 wxSize wxGetHiconSize(HICON hicon)
 {

-    wxSize size(32, 32);    // default
+    // default icon size on this hardware
+    // usually 32x32 but can be other (smaller) on pocket devices
+    wxSize size(::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON));

 
 

-#ifdef __WIN32__
-    // Win32s doesn't have GetIconInfo function...
+#ifndef __WXWINCE__

     if ( hicon && wxGetOsVersion() != wxWIN32S )
     {
         ICONINFO info;
     if ( hicon && wxGetOsVersion() != wxWIN32S )
     {
         ICONINFO info;


@@ -616,9 +614,88 @@ wxSize wxGetHiconSize(HICON hicon)
                 ::DeleteObject(info.hbmColor);
         }
     }
                 ::DeleteObject(info.hbmColor);
         }
     }

+#else
+    wxUnusedVar(hicon);

 #endif
 #endif

-

     return size;
 }
     return size;
 }

+
+#endif // __WXMICROWIN__
+
+#ifdef __WXWINCE__
+// Used in wxBMPFileHandler::LoadFile
+HBITMAP wxLoadBMP(const wxString& filename)
+{
+  wxFile file;
+  if(!file.Open(filename))
+        return 0;
+
+    // The first part of the file contains the file header.
+  // This will tell us if it is a bitmap, how big the header is, and how big
+    // the file is. The header size in the file header includes the color table.
+  BITMAPFILEHEADER BmpFileHdr;
+  BITMAPINFO *pBmpInfo = (BITMAPINFO*)malloc(sizeof(BITMAPINFO)+255*sizeof(RGBQUAD));
+  BYTE* pBits = 0;
+  HBITMAP hBitmap = 0;
+
+  if(file.Read(&BmpFileHdr, sizeof(BmpFileHdr))==sizeof(BmpFileHdr)
+    && !strncmp((char*)&BmpFileHdr.bfType,"BM",2)
+    && file.Read(pBmpInfo, sizeof(BITMAPINFOHEADER))==sizeof(BITMAPINFOHEADER)
+    && pBmpInfo->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)) {
+
+
+      unsigned int nColors = pBmpInfo->bmiHeader.biClrUsed ?
+      pBmpInfo->bmiHeader.biClrUsed : 1 << pBmpInfo->bmiHeader.biBitCount;
+    if (nColors < 1
+      || file.Read(pBmpInfo->bmiColors, nColors * sizeof(RGBQUAD))
+        == (off_t)(nColors * sizeof(RGBQUAD))) {
+
+      // So how big the bitmap surface is.
+      int nBitsSize = BmpFileHdr.bfSize - BmpFileHdr.bfOffBits;
+
+        // Allocate the memory for the bits and read the bits from the file.
+      pBits = (BYTE*) malloc(nBitsSize*2);
+      if (pBits) {
+        // Seek to the bits in the file.
+        file.Seek(BmpFileHdr.bfOffBits);
+
+        // read the bits
+        if(file.Read(pBits, nBitsSize)==nBitsSize) {
+          // Everything went OK.
+          pBmpInfo->bmiHeader.biSizeImage = nBitsSize;
+
+          //HBITMAP hBitmap=SetBitmap((LPBITMAPINFO)pBmpInfo, pBits);
+          //DWORD dwBitmapInfoSize = sizeof(BITMAPINFO) + nColors*sizeof(RGBQUAD);
+
+            // Create a DC which will be used to get DIB, then create DIBsection
+            HDC hDC = ::GetDC(NULL);
+          if (hDC) {
+            LPVOID bits;
+            hBitmap = CreateDIBSection(hDC, (const BITMAPINFO*) pBmpInfo,
+              DIB_RGB_COLORS, &bits, NULL, 0);
+            ReleaseDC(0,hDC);
+
+            if (hBitmap) {
+              DWORD dwImageSize = pBmpInfo->bmiHeader.biSizeImage;
+              if (dwImageSize == 0) {
+                int nBytesPerLine = pBmpInfo->bmiHeader.biWidth * pBmpInfo->bmiHeader.biBitCount;
+                nBytesPerLine = ( (nBytesPerLine + 31) & (~31) ) / 8;
+                dwImageSize = nBytesPerLine * pBmpInfo->bmiHeader.biHeight;
+              }
+              memcpy(bits, pBits, dwImageSize);
+            }
+          }
+        }
+      }
+    }
+  }
+
+  if(pBmpInfo)
+    free(pBmpInfo);
+  if(pBits)
+      free(pBits);
+
+  return hBitmap;
+}

 #endif
 #endif

-    // __WXMICROWIN__
+